5248 lines
178 KiB
C++
5248 lines
178 KiB
C++
//
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// ZoneMinder Image Class Implementation, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include "zm_image.h"
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#include "zm_font.h"
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#include "zm_poly.h"
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#include "zm_utils.h"
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#include <algorithm>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <unistd.h>
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static unsigned char y_table_global[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 83, 85, 86, 87, 88, 89, 90, 91, 93, 94, 95, 96, 97, 98, 100, 101, 102, 103, 104, 105, 107, 108, 109, 110, 111, 112, 114, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126, 128, 129, 130, 131, 132, 133, 135, 136, 137, 138, 139, 140, 142, 143, 144, 145, 146, 147, 149, 150, 151, 152, 153, 154, 156, 157, 158, 159, 160, 161, 163, 164, 165, 166, 167, 168, 170, 171, 172, 173, 174, 175, 176, 178, 179, 180, 181, 182, 183, 185, 186, 187, 188, 189, 190, 192, 193, 194, 195, 196, 197, 199, 200, 201, 202, 203, 204, 206, 207, 208, 209, 210, 211, 213, 214, 215, 216, 217, 218, 220, 221, 222, 223, 224, 225, 227, 228, 229, 230, 231, 232, 234, 235, 236, 237, 238, 239, 241, 242, 243, 244, 245, 246, 248, 249, 250, 251, 252, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255};
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static signed char uv_table_global[] = {-127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -125, -124, -123, -122, -121, -120, -119, -117, -116, -115, -114, -113, -112, -111, -109, -108, -107, -106, -105, -104, -103, -102, -100, -99, -98, -97, -96, -95, -94, -92, -91, -90, -89, -88, -87, -86, -85, -83, -82, -81, -80, -79, -78, -77, -75, -74, -73, -72, -71, -70, -69, -68, -66, -65, -64, -63, -62, -61, -60, -58, -57, -56, -55, -54, -53, -52, -51, -49, -48, -47, -46, -45, -44, -43, -41, -40, -39, -38, -37, -36, -35, -34, -32, -31, -30, -29, -28, -27, -26, -24, -23, -22, -21, -20, -19, -18, -17, -15, -14, -13, -12, -11, -10, -9, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74, 75, 77, 78, 79, 80, 81, 82, 83, 85, 86, 87, 88, 89, 90, 91, 92, 94, 95, 96, 97, 98, 99, 100, 102, 103, 104, 105, 106, 107, 108, 109, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 122, 123, 124, 125, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127};
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static short r_v_table_global[] = {-179, -178, -176, -175, -173, -172, -171, -169, -168, -166, -165, -164, -162, -161, -159, -158, -157, -155, -154, -152, -151, -150, -148, -147, -145, -144, -143, -141, -140, -138, -137, -135, -134, -133, -131, -130, -128, -127, -126, -124, -123, -121, -120, -119, -117, -116, -114, -113, -112, -110, -109, -107, -106, -105, -103, -102, -100, -99, -98, -96, -95, -93, -92, -91, -89, -88, -86, -85, -84, -82, -81, -79, -78, -77, -75, -74, -72, -71, -70, -68, -67, -65, -64, -63, -61, -60, -58, -57, -56, -54, -53, -51, -50, -49, -47, -46, -44, -43, -42, -40, -39, -37, -36, -35, -33, -32, -30, -29, -28, -26, -25, -23, -22, -21, -19, -18, -16, -15, -14, -12, -11, -9, -8, -7, -5, -4, -2, -1, 0, 1, 2, 4, 5, 7, 8, 9, 11, 12, 14, 15, 16, 18, 19, 21, 22, 23, 25, 26, 28, 29, 30, 32, 33, 35, 36, 37, 39, 40, 42, 43, 44, 46, 47, 49, 50, 51, 53, 54, 56, 57, 58, 60, 61, 63, 64, 65, 67, 68, 70, 71, 72, 74, 75, 77, 78, 79, 81, 82, 84, 85, 86, 88, 89, 91, 92, 93, 95, 96, 98, 99, 100, 102, 103, 105, 106, 107, 109, 110, 112, 113, 114, 116, 117, 119, 120, 121, 123, 124, 126, 127, 128, 130, 131, 133, 134, 135, 137, 138, 140, 141, 143, 144, 145, 147, 148, 150, 151, 152, 154, 155, 157, 158, 159, 161, 162, 164, 165, 166, 168, 169, 171, 172, 173, 175, 176};
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static short g_u_table_global[] = {-44, -43, -43, -43, -42, -42, -41, -41, -41, -40, -40, -40, -39, -39, -39, -38, -38, -38, -37, -37, -37, -36, -36, -36, -35, -35, -35, -34, -34, -34, -33, -33, -33, -32, -32, -31, -31, -31, -30, -30, -30, -29, -29, -29, -28, -28, -28, -27, -27, -27, -26, -26, -26, -25, -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -21, -21, -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16, -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11, -10, -10, -9, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -4, -4, -4, -3, -3, -3, -2, -2, -2, -1, -1, -1, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 43, 43};
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static short g_v_table_global[] = {-91, -90, -89, -89, -88, -87, -87, -86, -85, -84, -84, -83, -82, -82, -81, -80, -79, -79, -78, -77, -77, -76, -75, -74, -74, -73, -72, -72, -71, -70, -69, -69, -68, -67, -67, -66, -65, -64, -64, -63, -62, -62, -61, -60, -59, -59, -58, -57, -57, -56, -55, -54, -54, -53, -52, -52, -51, -50, -49, -49, -48, -47, -47, -46, -45, -44, -44, -43, -42, -42, -41, -40, -39, -39, -38, -37, -37, -36, -35, -34, -34, -33, -32, -32, -31, -30, -29, -29, -28, -27, -27, -26, -25, -24, -24, -23, -22, -22, -21, -20, -19, -19, -18, -17, -17, -16, -15, -14, -14, -13, -12, -12, -11, -10, -9, -9, -8, -7, -7, -6, -5, -4, -4, -3, -2, -2, -1, 0, 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 14, 15, 16, 17, 17, 18, 19, 19, 20, 21, 22, 22, 23, 24, 24, 25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 34, 35, 36, 37, 37, 38, 39, 39, 40, 41, 42, 42, 43, 44, 44, 45, 46, 47, 47, 48, 49, 49, 50, 51, 52, 52, 53, 54, 54, 55, 56, 57, 57, 58, 59, 59, 60, 61, 62, 62, 63, 64, 64, 65, 66, 67, 67, 68, 69, 69, 70, 71, 72, 72, 73, 74, 74, 75, 76, 77, 77, 78, 79, 79, 80, 81, 82, 82, 83, 84, 84, 85, 86, 87, 87, 88, 89, 89};
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static short b_u_table_global[] = {-226, -225, -223, -221, -219, -217, -216, -214, -212, -210, -209, -207, -205, -203, -202, -200, -198, -196, -194, -193, -191, -189, -187, -186, -184, -182, -180, -178, -177, -175, -173, -171, -170, -168, -166, -164, -163, -161, -159, -157, -155, -154, -152, -150, -148, -147, -145, -143, -141, -139, -138, -136, -134, -132, -131, -129, -127, -125, -124, -122, -120, -118, -116, -115, -113, -111, -109, -108, -106, -104, -102, -101, -99, -97, -95, -93, -92, -90, -88, -86, -85, -83, -81, -79, -77, -76, -74, -72, -70, -69, -67, -65, -63, -62, -60, -58, -56, -54, -53, -51, -49, -47, -46, -44, -42, -40, -38, -37, -35, -33, -31, -30, -28, -26, -24, -23, -21, -19, -17, -15, -14, -12, -10, -8, -7, -5, -3, -1, 0, 1, 3, 5, 7, 8, 10, 12, 14, 15, 17, 19, 21, 23, 24, 26, 28, 30, 31, 33, 35, 37, 38, 40, 42, 44, 46, 47, 49, 51, 53, 54, 56, 58, 60, 62, 63, 65, 67, 69, 70, 72, 74, 76, 77, 79, 81, 83, 85, 86, 88, 90, 92, 93, 95, 97, 99, 101, 102, 104, 106, 108, 109, 111, 113, 115, 116, 118, 120, 122, 124, 125, 127, 129, 131, 132, 134, 136, 138, 139, 141, 143, 145, 147, 148, 150, 152, 154, 155, 157, 159, 161, 163, 164, 166, 168, 170, 171, 173, 175, 177, 178, 180, 182, 184, 186, 187, 189, 191, 193, 194, 196, 198, 200, 202, 203, 205, 207, 209, 210, 212, 214, 216, 217, 219, 221, 223};
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bool Image::initialised = false;
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static unsigned char *y_table;
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static signed char *uv_table;
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static short *r_v_table;
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static short *g_v_table;
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static short *g_u_table;
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static short *b_u_table;
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struct SwsContext *sws_convert_context = nullptr;
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jpeg_compress_struct *Image::writejpg_ccinfo[101] = { };
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jpeg_compress_struct *Image::encodejpg_ccinfo[101] = { };
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jpeg_decompress_struct *Image::readjpg_dcinfo = nullptr;
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jpeg_decompress_struct *Image::decodejpg_dcinfo = nullptr;
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struct zm_error_mgr Image::jpg_err;
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/* Pointer to blend function. */
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static blend_fptr_t fptr_blend;
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/* Pointer to delta8 functions */
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static delta_fptr_t fptr_delta8_rgb;
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static delta_fptr_t fptr_delta8_bgr;
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static delta_fptr_t fptr_delta8_rgba;
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static delta_fptr_t fptr_delta8_bgra;
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static delta_fptr_t fptr_delta8_argb;
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static delta_fptr_t fptr_delta8_abgr;
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static delta_fptr_t fptr_delta8_gray8;
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/* Pointers to deinterlace_4field functions */
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static deinterlace_4field_fptr_t fptr_deinterlace_4field_rgba;
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static deinterlace_4field_fptr_t fptr_deinterlace_4field_bgra;
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static deinterlace_4field_fptr_t fptr_deinterlace_4field_argb;
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static deinterlace_4field_fptr_t fptr_deinterlace_4field_abgr;
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static deinterlace_4field_fptr_t fptr_deinterlace_4field_gray8;
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/* Pointer to image buffer memory copy function */
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imgbufcpy_fptr_t fptr_imgbufcpy;
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/* Font */
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static ZmFont font;
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void Image::update_function_pointers() {
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/* Because many loops are unrolled and work on 16 colours/time or 4 pixels/time, we have to meet requirements */
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if ( pixels % 16 || pixels % 12 ) {
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// have to use non-loop unrolled functions
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delta8_rgb = &std_delta8_rgb;
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delta8_bgr = &std_delta8_bgr;
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delta8_rgba = &std_delta8_rgba;
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delta8_bgra = &std_delta8_bgra;
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delta8_argb = &std_delta8_argb;
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delta8_abgr = &std_delta8_abgr;
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delta8_gray8 = &std_delta8_gray8;
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blend = &std_blend;
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} else {
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// Use either sse or neon, or loop unrolled version
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delta8_rgb = fptr_delta8_rgb;
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delta8_bgr = fptr_delta8_bgr;
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delta8_rgba = fptr_delta8_rgba;
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delta8_bgra = fptr_delta8_bgra;
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delta8_argb = fptr_delta8_argb;
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delta8_abgr = fptr_delta8_abgr;
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delta8_gray8 = fptr_delta8_gray8;
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blend = fptr_blend;
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}
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}
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// This constructor is not used anywhere
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Image::Image() :
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delta8_rgb(&std_delta8_rgb),
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delta8_bgr(&std_delta8_bgr),
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delta8_rgba(&std_delta8_rgba),
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delta8_bgra(&std_delta8_bgra),
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delta8_argb(&std_delta8_argb),
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delta8_abgr(&std_delta8_abgr),
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delta8_gray8(&std_delta8_gray8),
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blend(&std_blend)
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{
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if ( !initialised )
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Initialise();
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width = 0;
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linesize = 0;
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height = 0;
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padding = 0;
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pixels = 0;
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colours = 0;
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subpixelorder = 0;
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size = 0;
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allocation = 0;
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buffer = 0;
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buffertype = ZM_BUFTYPE_DONTFREE;
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holdbuffer = 0;
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blend = fptr_blend;
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}
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Image::Image(const char *filename) {
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if ( !initialised )
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Initialise();
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width = 0;
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linesize = 0;
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height = 0;
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padding = 0;
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pixels = 0;
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colours = 0;
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subpixelorder = 0;
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size = 0;
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allocation = 0;
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buffer = 0;
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buffertype = ZM_BUFTYPE_DONTFREE;
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holdbuffer = 0;
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ReadJpeg(filename, ZM_COLOUR_RGB24, ZM_SUBPIX_ORDER_RGB);
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update_function_pointers();
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}
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Image::Image(int p_width, int p_height, int p_colours, int p_subpixelorder, uint8_t *p_buffer, unsigned int p_padding) :
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width(p_width),
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height(p_height),
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colours(p_colours),
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padding(p_padding),
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subpixelorder(p_subpixelorder),
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buffer(p_buffer) {
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if (!initialised)
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Initialise();
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pixels = width * height;
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linesize = p_width * p_colours;
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size = linesize * height + padding;
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buffer = nullptr;
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holdbuffer = 0;
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if (p_buffer) {
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allocation = size;
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buffertype = ZM_BUFTYPE_DONTFREE;
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buffer = p_buffer;
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} else {
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AllocImgBuffer(size);
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}
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if (!subpixelorder and colours>1) {
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// Default to RGBA when no subpixelorder is specified.
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subpixelorder = ZM_SUBPIX_ORDER_RGBA;
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}
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imagePixFormat = AVPixFormat();
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update_function_pointers();
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}
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Image::Image(int p_width, int p_linesize, int p_height, int p_colours, int p_subpixelorder, uint8_t *p_buffer, unsigned int p_padding) :
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width(p_width),
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linesize(p_linesize),
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height(p_height),
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colours(p_colours),
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padding(p_padding),
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subpixelorder(p_subpixelorder),
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buffer(p_buffer)
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{
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if ( !initialised )
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Initialise();
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pixels = width*height;
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size = linesize*height + padding;
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buffer = nullptr;
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holdbuffer = 0;
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if ( p_buffer ) {
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allocation = size;
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buffertype = ZM_BUFTYPE_DONTFREE;
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buffer = p_buffer;
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} else {
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AllocImgBuffer(size);
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}
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if (!subpixelorder and colours>1) {
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// Default to RGBA when no subpixelorder is specified.
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subpixelorder = ZM_SUBPIX_ORDER_RGBA;
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}
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imagePixFormat = AVPixFormat();
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update_function_pointers();
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}
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Image::Image(const AVFrame *frame) {
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width = frame->width;
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height = frame->height;
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pixels = width*height;
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zm_dump_video_frame(frame, "Image.Assign(frame)");
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// FIXME
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colours = ZM_COLOUR_RGB32;
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subpixelorder = ZM_SUBPIX_ORDER_RGBA;
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imagePixFormat = AV_PIX_FMT_RGBA;
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//(AVPixelFormat)frame->format;
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size = av_image_get_buffer_size(AV_PIX_FMT_RGBA, width, height, 32);
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// av_image_get_linesize isn't aligned, so we have to do that.
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linesize = FFALIGN(av_image_get_linesize(AV_PIX_FMT_RGBA, width, 0), 32);
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padding = 0;
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buffer = nullptr;
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holdbuffer = 0;
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AllocImgBuffer(size);
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this->Assign(frame);
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}
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static void dont_free(void *opaque, uint8_t *data) {
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}
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int Image::PopulateFrame(AVFrame *frame) {
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Debug(1, "PopulateFrame: width %d height %d linesize %d colours %d imagesize %d %s",
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width, height, linesize, colours, size,
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av_get_pix_fmt_name(imagePixFormat)
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);
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AVBufferRef *ref = av_buffer_create(buffer, size,
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dont_free, /* Free callback */
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nullptr, /* opaque */
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0 /* flags */
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);
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if (!ref) {
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Warning("Failed to create av_buffer");
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}
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frame->buf[0] = ref;
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// From what I've read, we should align the linesizes to 32bit so that ffmpeg can use SIMD instructions too.
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int size = av_image_fill_arrays(
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frame->data, frame->linesize,
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buffer, imagePixFormat, width, height,
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32 //alignment
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);
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if ( size < 0 ) {
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Error("Problem setting up data pointers into image %s",
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av_make_error_string(size).c_str());
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return size;
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}
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frame->width = width;
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frame->height = height;
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frame->format = imagePixFormat;
|
|
zm_dump_video_frame(frame, "Image.Populate(frame)");
|
|
return 1;
|
|
} // int Image::PopulateFrame(AVFrame *frame)
|
|
|
|
bool Image::Assign(const AVFrame *frame) {
|
|
/* Assume the dimensions etc are correct. FIXME */
|
|
|
|
// Desired format
|
|
AVPixelFormat format = (AVPixelFormat)AVPixFormat();
|
|
AVFrame *dest_frame = zm_av_frame_alloc();
|
|
sws_convert_context = sws_getCachedContext(
|
|
sws_convert_context,
|
|
frame->width, frame->height, (AVPixelFormat)frame->format,
|
|
width, height, format,
|
|
SWS_BICUBIC,
|
|
//SWS_POINT | SWS_BITEXACT,
|
|
nullptr, nullptr, nullptr);
|
|
if (sws_convert_context == nullptr) {
|
|
Error("Unable to create conversion context");
|
|
return false;
|
|
}
|
|
bool result = Assign(frame, sws_convert_context, dest_frame);
|
|
av_frame_free(&dest_frame);
|
|
update_function_pointers();
|
|
return result;
|
|
} // end Image::Assign(const AVFrame *frame)
|
|
|
|
bool Image::Assign(const AVFrame *frame, SwsContext *convert_context, AVFrame *temp_frame) {
|
|
PopulateFrame(temp_frame);
|
|
zm_dump_video_frame(frame, "source frame before convert");
|
|
temp_frame->pts = frame->pts;
|
|
AVPixelFormat format = (AVPixelFormat)AVPixFormat();
|
|
|
|
if (sws_scale(convert_context,
|
|
frame->data, frame->linesize, 0, frame->height,
|
|
temp_frame->data, temp_frame->linesize) < 0) {
|
|
Error("Unable to convert raw format %u %ux%u to target format %u %ux%u",
|
|
frame->format, frame->width, frame->height,
|
|
format, width, height);
|
|
return false;
|
|
}
|
|
zm_dump_video_frame(temp_frame, "dest frame after convert");
|
|
update_function_pointers();
|
|
return true;
|
|
} // end Image::Assign(const AVFrame *frame, SwsContext *convert_context, AVFrame *temp_frame)
|
|
|
|
Image::Image(const Image &p_image) {
|
|
if ( !initialised )
|
|
Initialise();
|
|
width = p_image.width;
|
|
linesize = p_image.linesize;
|
|
padding = 0;
|
|
height = p_image.height;
|
|
pixels = p_image.pixels;
|
|
colours = p_image.colours;
|
|
subpixelorder = p_image.subpixelorder;
|
|
size = p_image.size; // allocation is set in AllocImgBuffer
|
|
buffer = nullptr;
|
|
holdbuffer = 0;
|
|
AllocImgBuffer(size);
|
|
(*fptr_imgbufcpy)(buffer, p_image.buffer, size);
|
|
annotation_ = p_image.annotation_;
|
|
imagePixFormat = p_image.imagePixFormat;
|
|
update_function_pointers();
|
|
}
|
|
|
|
Image::~Image() {
|
|
DumpImgBuffer();
|
|
}
|
|
|
|
/* Should be called as part of program shutdown to free everything */
|
|
void Image::Deinitialise() {
|
|
if (!initialised) return;
|
|
initialised = false;
|
|
if (readjpg_dcinfo) {
|
|
jpeg_destroy_decompress(readjpg_dcinfo);
|
|
delete readjpg_dcinfo;
|
|
readjpg_dcinfo = nullptr;
|
|
}
|
|
if (decodejpg_dcinfo) {
|
|
jpeg_destroy_decompress(decodejpg_dcinfo);
|
|
delete decodejpg_dcinfo;
|
|
decodejpg_dcinfo = nullptr;
|
|
}
|
|
for (unsigned int quality=0; quality <= 100; quality += 1) {
|
|
if (writejpg_ccinfo[quality]) {
|
|
jpeg_destroy_compress(writejpg_ccinfo[quality]);
|
|
delete writejpg_ccinfo[quality];
|
|
writejpg_ccinfo[quality] = nullptr;
|
|
}
|
|
if (encodejpg_ccinfo[quality]) {
|
|
jpeg_destroy_compress(encodejpg_ccinfo[quality]);
|
|
delete encodejpg_ccinfo[quality];
|
|
encodejpg_ccinfo[quality] = nullptr;
|
|
}
|
|
} // end foreach quality
|
|
|
|
if (sws_convert_context) {
|
|
sws_freeContext(sws_convert_context);
|
|
sws_convert_context = nullptr;
|
|
}
|
|
} // end void Image::Deinitialise()
|
|
|
|
void Image::Initialise() {
|
|
/* Assign the blend pointer to function */
|
|
if ( config.fast_image_blends ) {
|
|
if ( config.cpu_extensions && sse_version >= 20 ) {
|
|
fptr_blend = &sse2_fastblend; /* SSE2 fast blend */
|
|
Debug(4, "Blend: Using SSE2 fast blend function");
|
|
} else if ( config.cpu_extensions && neonversion >= 1 ) {
|
|
#if defined(__aarch64__)
|
|
fptr_blend = &neon64_armv8_fastblend; /* ARM Neon (AArch64) fast blend */
|
|
Debug(4, "Blend: Using ARM Neon (AArch64) fast blend function");
|
|
#elif defined(__arm__)
|
|
fptr_blend = &neon32_armv7_fastblend; /* ARM Neon (AArch32) fast blend */
|
|
Debug(4, "Blend: Using ARM Neon (AArch32) fast blend function");
|
|
#else
|
|
Panic("Bug: Non ARM platform but neon present");
|
|
#endif
|
|
} else {
|
|
fptr_blend = &std_fastblend; /* standard fast blend */
|
|
Debug(4, "Blend: Using fast blend function");
|
|
}
|
|
} else {
|
|
fptr_blend = &std_blend;
|
|
Debug(4, "Blend: Using standard blend function");
|
|
}
|
|
|
|
__attribute__((aligned(64))) uint8_t blend1[128] = {
|
|
86,58,54,63,149,62,209,34,148,46,186,176,9,236,193,254,113,146,228,220,123,164,92,98,9,72,67,156,63,118,96,167,
|
|
48,224,106,176,201,245,223,219,198,50,100,31,68,77,33,76,166,90,254,128,191,82,84,32,3,171,147,248,14,196,141,179,
|
|
79,237,121,11,132,37,194,225,45,171,169,167,56,64,193,85,147,33,97,221,94,97,90,44,191,248,65,8,17,240,167,207,
|
|
224,23,71,74,81,1,46,110,227,94,163,170,55,155,52,147,224,154,237,35,255,26,229,11,223,242,118,155,82,37,189,2
|
|
};
|
|
__attribute__((aligned(64))) uint8_t blend2[128] = {
|
|
92,188,203,118,121,231,252,218,126,88,80,72,123,16,91,131,109,0,57,56,95,204,74,8,137,94,6,69,18,146,229,194,
|
|
146,230,13,146,95,48,185,65,162,47,152,172,184,111,245,143,247,105,49,42,89,37,145,255,221,200,103,80,98,39,14,227,
|
|
227,46,46,59,248,7,83,20,157,79,36,161,237,55,77,175,232,200,38,170,198,239,89,19,82,88,130,120,203,184,141,117,
|
|
228,140,150,107,103,195,74,130,42,11,150,70,176,204,198,188,38,252,174,104,128,106,31,17,141,231,62,104,179,29,143,130
|
|
};
|
|
__attribute__((aligned(64))) uint8_t blendexp[128] = {
|
|
86,73,71,69,145,82,214,56,145,51,173,163,22,209,180,239,112,128,207,200,119,168,89,87,24,74,59,145,57,121,111,170,
|
|
59,224,94,172,188,221,218,200,193,49,106,47,81,81,58,84,175,91,229,117,178,76,91,58,29,174,141,227,24,177,125,184,
|
|
96,214,112,16,145,33,180,200,58,159,153,166,77,62,179,95,157,53,89,214,106,114,89,41,177,228,72,21,39,233,163,196,
|
|
224,37,80,77,83,24,49,112,204,84,161,158,69,160,69,151,201,165,229,43,239,35,205,11,213,240,111,148,93,36,183,17
|
|
};
|
|
__attribute__((aligned(64))) uint8_t blendres[128];
|
|
|
|
/* Run the blend function */
|
|
(*fptr_blend)(blend1,blend2,blendres,128,12.0);
|
|
|
|
/* Compare results with expected results */
|
|
for ( int i=0; i < 128; i++ ) {
|
|
if ( abs(blendexp[i] - blendres[i]) > 3 ) {
|
|
Panic("Blend function failed self-test: Results differ from the expected results. Column %u Expected %u Got %u",i,blendexp[i],blendres[i]);
|
|
}
|
|
}
|
|
|
|
fptr_delta8_rgb = &std_delta8_rgb;
|
|
fptr_delta8_bgr = &std_delta8_bgr;
|
|
|
|
/* Assign the delta functions */
|
|
if ( config.cpu_extensions ) {
|
|
if ( sse_version >= 35 ) {
|
|
/* SSSE3 available */
|
|
fptr_delta8_rgba = &ssse3_delta8_rgba;
|
|
fptr_delta8_bgra = &ssse3_delta8_bgra;
|
|
fptr_delta8_argb = &ssse3_delta8_argb;
|
|
fptr_delta8_abgr = &ssse3_delta8_abgr;
|
|
fptr_delta8_gray8 = &sse2_delta8_gray8;
|
|
Debug(4, "Delta: Using SSSE3 delta functions");
|
|
} else if ( sse_version >= 20 ) {
|
|
/* SSE2 available */
|
|
fptr_delta8_rgba = &sse2_delta8_rgba;
|
|
fptr_delta8_bgra = &sse2_delta8_bgra;
|
|
fptr_delta8_argb = &sse2_delta8_argb;
|
|
fptr_delta8_abgr = &sse2_delta8_abgr;
|
|
fptr_delta8_gray8 = &sse2_delta8_gray8;
|
|
Debug(4, "Delta: Using SSE2 delta functions");
|
|
} else if ( neonversion >= 1 ) {
|
|
/* ARM Neon available */
|
|
#if defined(__aarch64__)
|
|
fptr_delta8_rgba = &neon64_armv8_delta8_rgba;
|
|
fptr_delta8_bgra = &neon64_armv8_delta8_bgra;
|
|
fptr_delta8_argb = &neon64_armv8_delta8_argb;
|
|
fptr_delta8_abgr = &neon64_armv8_delta8_abgr;
|
|
fptr_delta8_gray8 = &neon64_armv8_delta8_gray8;
|
|
Debug(4, "Delta: Using ARM Neon (AArch64) delta functions");
|
|
#elif defined(__arm__)
|
|
fptr_delta8_rgba = &neon32_armv7_delta8_rgba;
|
|
fptr_delta8_bgra = &neon32_armv7_delta8_bgra;
|
|
fptr_delta8_argb = &neon32_armv7_delta8_argb;
|
|
fptr_delta8_abgr = &neon32_armv7_delta8_abgr;
|
|
fptr_delta8_gray8 = &neon32_armv7_delta8_gray8;
|
|
Debug(4, "Delta: Using ARM Neon (AArch32) delta functions");
|
|
#else
|
|
Panic("Bug: Non ARM platform but neon present");
|
|
#endif
|
|
} else {
|
|
/* No suitable SSE version available */
|
|
fptr_delta8_rgba = &fast_delta8_rgba;
|
|
fptr_delta8_bgra = &fast_delta8_bgra;
|
|
fptr_delta8_argb = &fast_delta8_argb;
|
|
fptr_delta8_abgr = &fast_delta8_abgr;
|
|
fptr_delta8_gray8 = &fast_delta8_gray8;
|
|
Debug(4,"Delta: Using standard delta functions");
|
|
}
|
|
} else {
|
|
/* CPU extensions disabled */
|
|
fptr_delta8_rgba = &fast_delta8_rgba;
|
|
fptr_delta8_bgra = &fast_delta8_bgra;
|
|
fptr_delta8_argb = &fast_delta8_argb;
|
|
fptr_delta8_abgr = &fast_delta8_abgr;
|
|
fptr_delta8_gray8 = &fast_delta8_gray8;
|
|
Debug(4,"Delta: CPU extensions disabled, using standard delta functions");
|
|
}
|
|
|
|
__attribute__((aligned(64))) uint8_t delta8_1[128] = {
|
|
221,22,234,254,8,140,15,28,166,13,203,56,92,250,79,225,19,59,241,145,253,33,87,204,97,168,229,180,3,108,205,177,
|
|
41,108,65,149,4,87,16,240,56,50,135,64,153,3,219,214,239,55,169,180,167,45,243,56,191,119,145,250,102,145,73,32,
|
|
207,213,189,167,147,83,217,30,113,51,142,125,219,97,60,5,135,195,95,133,21,197,150,82,134,93,198,97,97,49,117,24,
|
|
242,253,242,5,190,71,182,1,0,69,25,181,139,84,242,79,150,158,29,215,98,100,245,16,86,165,18,98,46,100,139,19
|
|
};
|
|
__attribute__((aligned(64))) uint8_t delta8_2[128] = {
|
|
236,22,153,161,50,141,15,130,89,251,33,5,140,201,225,194,138,76,248,89,25,26,29,93,250,251,48,157,41,126,140,152,
|
|
170,177,134,14,234,99,3,105,217,76,38,233,89,30,93,48,234,40,202,80,184,4,250,71,183,249,76,78,184,148,185,120,
|
|
137,214,238,57,50,93,29,60,99,207,40,15,43,28,177,118,60,231,90,47,198,251,250,241,212,114,249,17,95,161,216,218,
|
|
51,178,137,161,213,108,35,72,65,24,5,176,110,15,0,2,137,58,0,133,197,1,122,169,175,33,223,138,37,114,52,186
|
|
};
|
|
__attribute__((aligned(64))) uint8_t delta8_gray8_exp[128] = {
|
|
15,0,81,93,42,1,0,102,77,238,170,51,48,49,146,31,119,17,7,56,228,7,58,111,153,83,181,23,38,18,65,25,
|
|
129,69,69,135,230,12,13,135,161,26,97,169,64,27,126,166,5,15,33,100,17,41,7,15,8,130,69,172,82,3,112,88,
|
|
70,1,49,110,97,10,188,30,14,156,102,110,176,69,117,113,75,36,5,86,177,54,100,159,78,21,51,80,2,112,99,194,
|
|
191,75,105,156,23,37,147,71,65,45,20,5,29,69,242,77,13,100,29,82,99,99,123,153,89,132,205,40,9,14,87,167
|
|
};
|
|
__attribute__((aligned(64))) uint8_t delta8_rgba_exp[32] = {
|
|
13,11,189,60,41,68,112,28,84,66,68,48,14,30,91,36,24,54,113,101,41,90,39,82,107,47,46,80,69,102,130,21
|
|
};
|
|
__attribute__((aligned(64))) uint8_t delta8_gray8_res[128];
|
|
__attribute__((aligned(64))) uint8_t delta8_rgba_res[32];
|
|
|
|
/* Run the delta8 grayscale function */
|
|
(*fptr_delta8_gray8)(delta8_1,delta8_2,delta8_gray8_res,128);
|
|
|
|
/* Compare results with expected results */
|
|
for ( int i=0; i < 128; i++ ) {
|
|
if ( abs(delta8_gray8_exp[i] - delta8_gray8_res[i]) > 7 ) {
|
|
Panic("Delta grayscale function failed self-test: Results differ from the expected results. Column %u Expected %u Got %u",i,delta8_gray8_exp[i],delta8_gray8_res[i]);
|
|
}
|
|
}
|
|
|
|
/* Run the delta8 RGBA function */
|
|
(*fptr_delta8_rgba)(delta8_1,delta8_2,delta8_rgba_res, 32);
|
|
|
|
/* Compare results with expected results */
|
|
for ( int i=0; i < 32; i++ ) {
|
|
if ( abs(delta8_rgba_exp[i] - delta8_rgba_res[i]) > 7 ) {
|
|
Panic("Delta RGBA function failed self-test: Results differ from the expected results. Column %u Expected %u Got %u",i,delta8_rgba_exp[i],delta8_rgba_res[i]);
|
|
}
|
|
}
|
|
|
|
/*
|
|
SSSE3 deinterlacing functions were removed because they were usually equal
|
|
or slower than the standard code (compiled with -O2 or better)
|
|
The function is too complicated to be vectorized efficiently on SSSE3
|
|
*/
|
|
fptr_deinterlace_4field_rgba = &std_deinterlace_4field_rgba;
|
|
fptr_deinterlace_4field_bgra = &std_deinterlace_4field_bgra;
|
|
fptr_deinterlace_4field_argb = &std_deinterlace_4field_argb;
|
|
fptr_deinterlace_4field_abgr = &std_deinterlace_4field_abgr;
|
|
fptr_deinterlace_4field_gray8 = &std_deinterlace_4field_gray8;
|
|
Debug(4, "Deinterlace: Using standard functions");
|
|
|
|
#if defined(__i386__) && !defined(__x86_64__)
|
|
/* Use SSE2 aligned memory copy? */
|
|
if ( config.cpu_extensions && sse_version >= 20 ) {
|
|
fptr_imgbufcpy = &sse2_aligned_memcpy;
|
|
Debug(4, "Image buffer copy: Using SSE2 aligned memcpy");
|
|
} else {
|
|
fptr_imgbufcpy = &memcpy;
|
|
Debug(4, "Image buffer copy: Using standard memcpy");
|
|
}
|
|
#else
|
|
fptr_imgbufcpy = &memcpy;
|
|
Debug(4, "Image buffer copy: Using standard memcpy");
|
|
#endif
|
|
|
|
y_table = y_table_global;
|
|
uv_table = uv_table_global;
|
|
r_v_table = r_v_table_global;
|
|
g_v_table = g_v_table_global;
|
|
g_u_table = g_u_table_global;
|
|
b_u_table = b_u_table_global;
|
|
|
|
FontLoadError res = font.LoadFontFile(config.font_file_location);
|
|
if ( res == FontLoadError::kFileNotFound ) {
|
|
Panic("Invalid font location: %s", config.font_file_location);
|
|
} else if ( res == FontLoadError::kInvalidFile ) {
|
|
Panic("Invalid font file.");
|
|
}
|
|
initialised = true;
|
|
}
|
|
|
|
/* Requests a writeable buffer to the image. This is safer than buffer() because this way we can guarantee that a buffer of required size exists */
|
|
uint8_t* Image::WriteBuffer(
|
|
const unsigned int p_width,
|
|
const unsigned int p_height,
|
|
const unsigned int p_colours,
|
|
const unsigned int p_subpixelorder) {
|
|
|
|
if ( p_colours != ZM_COLOUR_GRAY8
|
|
&&
|
|
p_colours != ZM_COLOUR_RGB24
|
|
&&
|
|
p_colours != ZM_COLOUR_RGB32 ) {
|
|
Error("WriteBuffer called with unexpected colours: %d", p_colours);
|
|
return nullptr;
|
|
}
|
|
|
|
if ( ! ( p_height > 0 && p_width > 0 ) ) {
|
|
Error("WriteBuffer called with invalid width or height: %d %d", p_width, p_height);
|
|
return nullptr;
|
|
}
|
|
|
|
if ( p_width != width || p_height != height || p_colours != colours || p_subpixelorder != subpixelorder ) {
|
|
|
|
unsigned int newsize = (p_width * p_height) * p_colours;
|
|
|
|
if ( buffer == nullptr ) {
|
|
AllocImgBuffer(newsize);
|
|
} else {
|
|
if ( allocation < newsize ) {
|
|
if ( holdbuffer ) {
|
|
Error("Held buffer is undersized for requested buffer");
|
|
return nullptr;
|
|
} else {
|
|
/* Replace buffer with a bigger one */
|
|
//DumpImgBuffer(); // Done in AllocImgBuffer too
|
|
AllocImgBuffer(newsize);
|
|
}
|
|
}
|
|
}
|
|
|
|
width = p_width;
|
|
height = p_height;
|
|
colours = p_colours;
|
|
linesize = p_width * p_colours;
|
|
subpixelorder = p_subpixelorder;
|
|
pixels = height*width;
|
|
size = newsize;
|
|
} // end if need to re-alloc buffer
|
|
|
|
return buffer;
|
|
}
|
|
|
|
/* Assign an existing buffer to the image instead of copying from a source buffer.
|
|
The goal is to reduce the amount of memory copying and increase efficiency and buffer reusing.
|
|
*/
|
|
void Image::AssignDirect(
|
|
const unsigned int p_width,
|
|
const unsigned int p_height,
|
|
const unsigned int p_colours,
|
|
const unsigned int p_subpixelorder,
|
|
uint8_t *new_buffer,
|
|
const size_t buffer_size,
|
|
const int p_buffertype) {
|
|
|
|
if ( new_buffer == nullptr ) {
|
|
Error("Attempt to directly assign buffer from a NULL pointer");
|
|
return;
|
|
}
|
|
|
|
if ( !p_height || !p_width ) {
|
|
Error("Attempt to directly assign buffer with invalid width or height: %d %d", p_width, p_height);
|
|
return;
|
|
}
|
|
|
|
if ( p_colours != ZM_COLOUR_GRAY8 && p_colours != ZM_COLOUR_RGB24 && p_colours != ZM_COLOUR_RGB32 ) {
|
|
Error("Attempt to directly assign buffer with unexpected colours per pixel: %d", p_colours);
|
|
return;
|
|
}
|
|
|
|
size_t new_buffer_size = p_width * p_height * p_colours;
|
|
|
|
if ( buffer_size < new_buffer_size ) {
|
|
Error("Attempt to directly assign buffer from an undersized buffer of size: %zu, needed %dx%d*%d colours = %zu",
|
|
buffer_size, p_width, p_height, p_colours, new_buffer_size);
|
|
return;
|
|
}
|
|
|
|
if ( holdbuffer && buffer ) {
|
|
if ( new_buffer_size > allocation ) {
|
|
Error("Held buffer is undersized for assigned buffer");
|
|
return;
|
|
} else {
|
|
/* Copy into the held buffer */
|
|
if ( new_buffer != buffer ) {
|
|
(*fptr_imgbufcpy)(buffer, new_buffer, size);
|
|
}
|
|
/* Free the new buffer */
|
|
DumpBuffer(new_buffer, p_buffertype);
|
|
}
|
|
} else {
|
|
/* Free an existing buffer if any */
|
|
DumpImgBuffer();
|
|
allocation = buffer_size;
|
|
buffertype = p_buffertype;
|
|
buffer = new_buffer;
|
|
}
|
|
|
|
width = p_width;
|
|
height = p_height;
|
|
colours = p_colours;
|
|
linesize = width * colours;
|
|
subpixelorder = p_subpixelorder;
|
|
pixels = width * height;
|
|
size = new_buffer_size;
|
|
update_function_pointers();
|
|
} // end void Image::AssignDirect
|
|
|
|
void Image::Assign(
|
|
const unsigned int p_width,
|
|
const unsigned int p_height,
|
|
const unsigned int p_colours,
|
|
const unsigned int p_subpixelorder,
|
|
const uint8_t* new_buffer,
|
|
const size_t buffer_size) {
|
|
|
|
if ( new_buffer == nullptr ) {
|
|
Error("Attempt to assign buffer from a NULL pointer");
|
|
return;
|
|
}
|
|
|
|
unsigned int new_size = p_width * p_height * p_colours;
|
|
if ( buffer_size < new_size ) {
|
|
Error("Attempt to assign buffer from an undersized buffer of size: %zu", buffer_size);
|
|
return;
|
|
}
|
|
|
|
if ( !p_height || !p_width ) {
|
|
Error("Attempt to assign buffer with invalid width or height: %d %d", p_width, p_height);
|
|
return;
|
|
}
|
|
|
|
if ( p_colours != ZM_COLOUR_GRAY8 && p_colours != ZM_COLOUR_RGB24 && p_colours != ZM_COLOUR_RGB32 ) {
|
|
Error("Attempt to assign buffer with unexpected colours per pixel: %d", p_colours);
|
|
return;
|
|
}
|
|
|
|
if ( !buffer || p_width != width || p_height != height || p_colours != colours || p_subpixelorder != subpixelorder ) {
|
|
|
|
if ( holdbuffer && buffer ) {
|
|
if ( new_size > allocation ) {
|
|
Error("Held buffer is undersized for assigned buffer");
|
|
return;
|
|
}
|
|
} else {
|
|
if ( (new_size > allocation) || !buffer ) {
|
|
DumpImgBuffer();
|
|
AllocImgBuffer(new_size);
|
|
}
|
|
}
|
|
|
|
width = p_width;
|
|
height = p_height;
|
|
pixels = width*height;
|
|
colours = p_colours;
|
|
subpixelorder = p_subpixelorder;
|
|
size = new_size;
|
|
}
|
|
|
|
if ( new_buffer != buffer )
|
|
(*fptr_imgbufcpy)(buffer, new_buffer, size);
|
|
update_function_pointers();
|
|
}
|
|
|
|
void Image::Assign(const Image &image) {
|
|
unsigned int new_size = image.height * image.linesize;
|
|
|
|
if ( image.buffer == nullptr ) {
|
|
Error("Attempt to assign image with an empty buffer");
|
|
return;
|
|
}
|
|
|
|
if ( image.colours != ZM_COLOUR_GRAY8
|
|
&&
|
|
image.colours != ZM_COLOUR_RGB24
|
|
&&
|
|
image.colours != ZM_COLOUR_RGB32 ) {
|
|
Error("Attempt to assign image with unexpected colours per pixel: %d", image.colours);
|
|
return;
|
|
}
|
|
|
|
if ( !buffer
|
|
|| image.width != width || image.height != height
|
|
|| image.colours != colours || image.subpixelorder != subpixelorder
|
|
) {
|
|
|
|
if ( holdbuffer && buffer ) {
|
|
if ( new_size > allocation ) {
|
|
Error("Held buffer is undersized for assigned buffer");
|
|
return;
|
|
}
|
|
} else {
|
|
if (new_size > allocation || !buffer) {
|
|
// DumpImgBuffer(); This is also done in AllocImgBuffer
|
|
AllocImgBuffer(new_size);
|
|
}
|
|
}
|
|
|
|
width = image.width;
|
|
height = image.height;
|
|
pixels = width*height;
|
|
colours = image.colours;
|
|
subpixelorder = image.subpixelorder;
|
|
size = new_size;
|
|
linesize = image.linesize;
|
|
}
|
|
|
|
update_function_pointers();
|
|
if ( image.buffer != buffer )
|
|
(*fptr_imgbufcpy)(buffer, image.buffer, size);
|
|
}
|
|
|
|
Image *Image::HighlightEdges(
|
|
Rgb colour,
|
|
unsigned int p_colours,
|
|
unsigned int p_subpixelorder,
|
|
const Box *limits
|
|
) {
|
|
if ( colours != ZM_COLOUR_GRAY8 ) {
|
|
Panic("Attempt to highlight image edges when colours = %d", colours);
|
|
}
|
|
|
|
/* Convert the colour's RGBA subpixel order into the image's subpixel order */
|
|
colour = rgb_convert(colour, p_subpixelorder);
|
|
|
|
/* Create a new image of the target format */
|
|
Image *high_image = new Image(width, height, p_colours, p_subpixelorder);
|
|
uint8_t* high_buff = high_image->WriteBuffer(width, height, p_colours, p_subpixelorder);
|
|
|
|
/* Set image to all black */
|
|
high_image->Clear();
|
|
|
|
unsigned int lo_x = limits ? limits->Lo().x_ : 0;
|
|
unsigned int lo_y = limits ? limits->Lo().y_ : 0;
|
|
unsigned int hi_x = limits ? limits->Hi().x_ : width - 1;
|
|
unsigned int hi_y = limits ? limits->Hi().y_ : height - 1;
|
|
|
|
if ( p_colours == ZM_COLOUR_GRAY8 ) {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
const uint8_t* p = buffer + (y * linesize) + lo_x;
|
|
uint8_t* phigh = high_buff + (y * linesize) + lo_x;
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p++, phigh++ ) {
|
|
bool edge = false;
|
|
if ( *p ) {
|
|
edge = (x > 0 && !*(p-1)) || (x < (width-1) && !*(p+1)) || (y > 0 && !*(p-width)) || (y < (height-1) && !*(p+width));
|
|
#if 0
|
|
if ( !edge && x > 0 && !*(p-1) ) edge = true;
|
|
if ( !edge && x < (width-1) && !*(p+1) ) edge = true;
|
|
if ( !edge && y > 0 && !*(p-width) ) edge = true;
|
|
if ( !edge && y < (height-1) && !*(p+width) ) edge = true;
|
|
#endif
|
|
}
|
|
if ( edge ) {
|
|
*phigh = colour;
|
|
}
|
|
}
|
|
}
|
|
} else if ( p_colours == ZM_COLOUR_RGB24 ) {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
const uint8_t* p = buffer + (y * linesize) + lo_x;
|
|
uint8_t* phigh = high_buff + (((y * linesize) + lo_x) * 3);
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p++, phigh += 3 ) {
|
|
bool edge = false;
|
|
if ( *p ) {
|
|
edge = (x > 0 && !*(p-1)) || (x < (width-1) && !*(p+1)) || (y > 0 && !*(p-width)) || (y < (height-1) && !*(p+width));
|
|
#if 0
|
|
if ( !edge && x > 0 && !*(p-1) ) edge = true;
|
|
if ( !edge && x < (width-1) && !*(p+1) ) edge = true;
|
|
if ( !edge && y > 0 && !*(p-width) ) edge = true;
|
|
if ( !edge && y < (height-1) && !*(p+width) ) edge = true;
|
|
#endif
|
|
}
|
|
if ( edge ) {
|
|
RED_PTR_RGBA(phigh) = RED_VAL_RGBA(colour);
|
|
GREEN_PTR_RGBA(phigh) = GREEN_VAL_RGBA(colour);
|
|
BLUE_PTR_RGBA(phigh) = BLUE_VAL_RGBA(colour);
|
|
}
|
|
}
|
|
}
|
|
} else if ( p_colours == ZM_COLOUR_RGB32 ) {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
const uint8_t* p = buffer + (y * linesize) + lo_x;
|
|
Rgb* phigh = (Rgb*)(high_buff + (((y * linesize) + lo_x) * 4));
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p++, phigh++ ) {
|
|
bool edge = false;
|
|
if ( *p ) {
|
|
edge = (x > 0 && !*(p-1)) || (x < (width-1) && !*(p+1)) || (y > 0 && !*(p-width)) || (y < (height-1) && !*(p+width));
|
|
#if 0
|
|
if ( !edge && x > 0 && !*(p-1) ) edge = true;
|
|
if ( !edge && x < (width-1) && !*(p+1) ) edge = true;
|
|
if ( !edge && y > 0 && !*(p-width) ) edge = true;
|
|
if ( !edge && y < (height-1) && !*(p+width) ) edge = true;
|
|
#endif
|
|
}
|
|
if ( edge ) {
|
|
*phigh = colour;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return high_image;
|
|
}
|
|
|
|
bool Image::ReadRaw(const char *filename) {
|
|
FILE *infile;
|
|
if ( (infile = fopen(filename, "rb")) == nullptr ) {
|
|
Error("Can't open %s: %s", filename, strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
struct stat statbuf;
|
|
if ( fstat( fileno(infile), &statbuf ) < 0 ) {
|
|
fclose(infile);
|
|
Error("Can't fstat %s: %s", filename, strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
if ( (unsigned int)statbuf.st_size != size ) {
|
|
fclose(infile);
|
|
Error("Raw file size mismatch, expected %d bytes, found %ld", size, statbuf.st_size);
|
|
return false;
|
|
}
|
|
|
|
if ( fread(buffer, size, 1, infile) < 1 ) {
|
|
fclose(infile);
|
|
Error("Unable to read from '%s': %s", filename, strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
fclose(infile);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Image::WriteRaw(const char *filename) const {
|
|
FILE *outfile;
|
|
if ( (outfile = fopen(filename, "wb")) == nullptr ) {
|
|
Error("Can't open %s: %s", filename, strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
if ( fwrite( buffer, size, 1, outfile ) != 1 ) {
|
|
Error("Unable to write to '%s': %s", filename, strerror(errno));
|
|
fclose(outfile);
|
|
return false;
|
|
}
|
|
|
|
fclose(outfile);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Image::ReadJpeg(const std::string &filename, unsigned int p_colours, unsigned int p_subpixelorder) {
|
|
unsigned int new_width, new_height, new_colours, new_subpixelorder;
|
|
|
|
if (!readjpg_dcinfo) {
|
|
readjpg_dcinfo = new jpeg_decompress_struct;
|
|
readjpg_dcinfo->err = jpeg_std_error(&jpg_err.pub);
|
|
jpg_err.pub.error_exit = zm_jpeg_error_exit;
|
|
jpg_err.pub.emit_message = zm_jpeg_emit_message;
|
|
jpeg_create_decompress(readjpg_dcinfo);
|
|
}
|
|
|
|
FILE *infile;
|
|
if ((infile = fopen(filename.c_str(), "rb")) == nullptr) {
|
|
Error("Can't open %s: %s", filename.c_str(), strerror(errno));
|
|
return false;
|
|
}
|
|
|
|
if (setjmp(jpg_err.setjmp_buffer)) {
|
|
jpeg_abort_decompress(readjpg_dcinfo);
|
|
fclose(infile);
|
|
return false;
|
|
}
|
|
|
|
jpeg_stdio_src(readjpg_dcinfo, infile);
|
|
|
|
jpeg_read_header(readjpg_dcinfo, true);
|
|
|
|
if ((readjpg_dcinfo->num_components != 1) && (readjpg_dcinfo->num_components != 3)) {
|
|
Error("Unexpected colours when reading jpeg image: %d", colours);
|
|
jpeg_abort_decompress(readjpg_dcinfo);
|
|
fclose(infile);
|
|
return false;
|
|
}
|
|
|
|
/* Check if the image has at least one huffman table defined. If not, use the standard ones */
|
|
/* This is required for the MJPEG capture palette of USB devices */
|
|
if (readjpg_dcinfo->dc_huff_tbl_ptrs[0] == nullptr) {
|
|
zm_use_std_huff_tables(readjpg_dcinfo);
|
|
}
|
|
|
|
new_width = readjpg_dcinfo->image_width;
|
|
new_height = readjpg_dcinfo->image_height;
|
|
|
|
if ((width != new_width) || (height != new_height)) {
|
|
Debug(9, "Image dimensions differ. Old: %ux%u New: %ux%u", width, height, new_width, new_height);
|
|
}
|
|
|
|
switch (p_colours) {
|
|
case ZM_COLOUR_GRAY8:
|
|
readjpg_dcinfo->out_color_space = JCS_GRAYSCALE;
|
|
new_colours = ZM_COLOUR_GRAY8;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_NONE;
|
|
break;
|
|
case ZM_COLOUR_RGB32:
|
|
#ifdef JCS_EXTENSIONS
|
|
new_colours = ZM_COLOUR_RGB32;
|
|
if (p_subpixelorder == ZM_SUBPIX_ORDER_BGRA) {
|
|
readjpg_dcinfo->out_color_space = JCS_EXT_BGRX;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_BGRA;
|
|
} else if (p_subpixelorder == ZM_SUBPIX_ORDER_ARGB) {
|
|
readjpg_dcinfo->out_color_space = JCS_EXT_XRGB;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_ARGB;
|
|
} else if (p_subpixelorder == ZM_SUBPIX_ORDER_ABGR) {
|
|
readjpg_dcinfo->out_color_space = JCS_EXT_XBGR;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_ABGR;
|
|
} else {
|
|
/* Assume RGBA */
|
|
readjpg_dcinfo->out_color_space = JCS_EXT_RGBX;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_RGBA;
|
|
}
|
|
break;
|
|
#else
|
|
Warning("libjpeg-turbo is required for reading a JPEG directly into a RGB32 buffer, reading into a RGB24 buffer instead.");
|
|
#endif
|
|
case ZM_COLOUR_RGB24:
|
|
default:
|
|
new_colours = ZM_COLOUR_RGB24;
|
|
if (p_subpixelorder == ZM_SUBPIX_ORDER_BGR) {
|
|
#ifdef JCS_EXTENSIONS
|
|
readjpg_dcinfo->out_color_space = JCS_EXT_BGR;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_BGR;
|
|
#else
|
|
Warning("libjpeg-turbo is required for reading a JPEG directly into a BGR24 buffer, reading into a RGB24 buffer instead.");
|
|
cinfo->out_color_space = JCS_RGB;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_RGB;
|
|
#endif
|
|
} else {
|
|
/* Assume RGB */
|
|
/*
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->out_color_space = JCS_EXT_RGB;
|
|
#else
|
|
cinfo->out_color_space = JCS_RGB;
|
|
#endif
|
|
*/
|
|
readjpg_dcinfo->out_color_space = JCS_RGB;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_RGB;
|
|
}
|
|
break;
|
|
} // end switch p_colours
|
|
|
|
if (WriteBuffer(new_width, new_height, new_colours, new_subpixelorder) == nullptr) {
|
|
Error("Failed requesting writeable buffer for reading JPEG image.");
|
|
jpeg_abort_decompress(readjpg_dcinfo);
|
|
fclose(infile);
|
|
return false;
|
|
}
|
|
|
|
jpeg_start_decompress(readjpg_dcinfo);
|
|
|
|
JSAMPROW row_pointer = buffer;
|
|
while (readjpg_dcinfo->output_scanline < readjpg_dcinfo->output_height) {
|
|
jpeg_read_scanlines(readjpg_dcinfo, &row_pointer, 1);
|
|
row_pointer += linesize;
|
|
}
|
|
|
|
jpeg_finish_decompress(readjpg_dcinfo);
|
|
fclose(infile);
|
|
|
|
return true;
|
|
}
|
|
|
|
// Multiple calling formats to permit inclusion (or not) of non blocking, quality_override and timestamp (exif), with suitable defaults.
|
|
// Note quality=zero means default
|
|
|
|
bool Image::WriteJpeg(const std::string &filename, int quality_override) const {
|
|
return Image::WriteJpeg(filename, quality_override, {}, false);
|
|
}
|
|
bool Image::WriteJpeg(const std::string &filename) const {
|
|
return Image::WriteJpeg(filename, 0, {}, false);
|
|
}
|
|
bool Image::WriteJpeg(const std::string &filename, bool on_blocking_abort) const {
|
|
return Image::WriteJpeg(filename, 0, {}, on_blocking_abort);
|
|
}
|
|
bool Image::WriteJpeg(const std::string &filename, SystemTimePoint timestamp) const {
|
|
return Image::WriteJpeg(filename, 0, timestamp, false);
|
|
}
|
|
|
|
bool Image::WriteJpeg(const std::string &filename, int quality_override, SystemTimePoint timestamp) const {
|
|
return Image::WriteJpeg(filename, quality_override, timestamp, false);
|
|
}
|
|
|
|
bool Image::WriteJpeg(const std::string &filename,
|
|
const int &quality_override,
|
|
SystemTimePoint timestamp,
|
|
bool on_blocking_abort) const {
|
|
if (config.colour_jpeg_files && (colours == ZM_COLOUR_GRAY8)) {
|
|
Image temp_image(*this);
|
|
temp_image.Colourise(ZM_COLOUR_RGB24, ZM_SUBPIX_ORDER_RGB);
|
|
return temp_image.WriteJpeg(filename, quality_override, timestamp, on_blocking_abort);
|
|
}
|
|
int quality = quality_override ? quality_override : config.jpeg_file_quality;
|
|
|
|
jpeg_compress_struct *cinfo = writejpg_ccinfo[quality];
|
|
FILE *outfile = nullptr;
|
|
int raw_fd = 0;
|
|
|
|
if (!cinfo) {
|
|
cinfo = writejpg_ccinfo[quality] = new jpeg_compress_struct;
|
|
cinfo->err = jpeg_std_error(&jpg_err.pub);
|
|
jpeg_create_compress(cinfo);
|
|
}
|
|
if (!on_blocking_abort) {
|
|
jpg_err.pub.error_exit = zm_jpeg_error_exit;
|
|
jpg_err.pub.emit_message = zm_jpeg_emit_message;
|
|
} else {
|
|
jpg_err.pub.error_exit = zm_jpeg_error_silent;
|
|
jpg_err.pub.emit_message = zm_jpeg_emit_silence;
|
|
if (setjmp(jpg_err.setjmp_buffer)) {
|
|
jpeg_abort_compress(cinfo);
|
|
Debug(1,
|
|
"Aborted a write mid-stream and %s and %d",
|
|
(outfile == nullptr) ? "closing file" : "file not opened",
|
|
raw_fd);
|
|
if (raw_fd)
|
|
close(raw_fd);
|
|
if (outfile)
|
|
fclose(outfile);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!on_blocking_abort) {
|
|
if ((outfile = fopen(filename.c_str(), "wb")) == nullptr) {
|
|
Error("Can't open %s for writing: %s", filename.c_str(), strerror(errno));
|
|
return false;
|
|
}
|
|
} else {
|
|
raw_fd = open(filename.c_str(), O_WRONLY | O_NONBLOCK | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
|
|
if (raw_fd < 0)
|
|
return false;
|
|
outfile = fdopen(raw_fd, "wb");
|
|
if (outfile == nullptr) {
|
|
close(raw_fd);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
jpeg_stdio_dest(cinfo, outfile);
|
|
|
|
cinfo->image_width = width; /* image width and height, in pixels */
|
|
cinfo->image_height = height;
|
|
|
|
switch (colours) {
|
|
case ZM_COLOUR_GRAY8:
|
|
cinfo->input_components = 1;
|
|
cinfo->in_color_space = JCS_GRAYSCALE;
|
|
break;
|
|
case ZM_COLOUR_RGB32:
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->input_components = 4;
|
|
if (subpixelorder == ZM_SUBPIX_ORDER_RGBA) {
|
|
cinfo->in_color_space = JCS_EXT_RGBX;
|
|
} else if (subpixelorder == ZM_SUBPIX_ORDER_BGRA) {
|
|
cinfo->in_color_space = JCS_EXT_BGRX;
|
|
} else if (subpixelorder == ZM_SUBPIX_ORDER_ARGB) {
|
|
cinfo->in_color_space = JCS_EXT_XRGB;
|
|
} else if (subpixelorder == ZM_SUBPIX_ORDER_ABGR) {
|
|
cinfo->in_color_space = JCS_EXT_XBGR;
|
|
} else {
|
|
Warning("Unknwon subpixelorder %d", subpixelorder);
|
|
/* Assume RGBA */
|
|
cinfo->in_color_space = JCS_EXT_RGBX;
|
|
}
|
|
break;
|
|
#else
|
|
Error("libjpeg-turbo is required for JPEG encoding directly from RGB32 source");
|
|
jpeg_abort_compress(cinfo);
|
|
fclose(outfile);
|
|
return false;
|
|
#endif
|
|
case ZM_COLOUR_RGB24:
|
|
default:
|
|
cinfo->input_components = 3;
|
|
if (subpixelorder == ZM_SUBPIX_ORDER_BGR) {
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->in_color_space = JCS_EXT_BGR;
|
|
#else
|
|
Error("libjpeg-turbo is required for JPEG encoding directly from BGR24 source");
|
|
jpeg_abort_compress(cinfo);
|
|
fclose(outfile);
|
|
return false;
|
|
#endif
|
|
} else {
|
|
/* Assume RGB */
|
|
/*
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->out_color_space = JCS_EXT_RGB;
|
|
#else
|
|
cinfo->out_color_space = JCS_RGB;
|
|
#endif
|
|
*/
|
|
cinfo->in_color_space = JCS_RGB;
|
|
}
|
|
break;
|
|
} // end switch(colours)
|
|
|
|
jpeg_set_defaults(cinfo);
|
|
jpeg_set_quality(cinfo, quality, FALSE);
|
|
cinfo->dct_method = JDCT_FASTEST;
|
|
|
|
jpeg_start_compress(cinfo, TRUE);
|
|
if (config.add_jpeg_comments && !annotation_.empty()) {
|
|
jpeg_write_marker(cinfo, JPEG_COM, reinterpret_cast<const JOCTET *>(annotation_.c_str()), annotation_.size());
|
|
}
|
|
// If we have a non-zero time (meaning a parameter was passed in), then form a simple exif segment with that time as DateTimeOriginal and SubsecTimeOriginal
|
|
// No timestamp just leave off the exif section.
|
|
if (timestamp.time_since_epoch() > Seconds(0)) {
|
|
#define EXIFTIMES_MS_OFFSET 0x36 // three decimal digits for milliseconds
|
|
#define EXIFTIMES_MS_LEN 0x03
|
|
#define EXIFTIMES_OFFSET 0x3E // 19 characters format '2015:07:21 13:14:45' not including quotes
|
|
#define EXIFTIMES_LEN 0x13 // = 19
|
|
#define EXIF_CODE 0xE1
|
|
|
|
// This is a lot of stuff to allocate on the stack. Recommend char *timebuf[64];
|
|
char timebuf[64], msbuf[64];
|
|
|
|
tm timestamp_tm = {};
|
|
time_t timestamp_t = std::chrono::system_clock::to_time_t(timestamp);
|
|
strftime(timebuf, sizeof timebuf, "%Y:%m:%d %H:%M:%S", localtime_r(×tamp_t, ×tamp_tm));
|
|
Seconds ts_sec = std::chrono::duration_cast<Seconds>(timestamp.time_since_epoch());
|
|
Microseconds ts_usec = std::chrono::duration_cast<Microseconds>(timestamp.time_since_epoch() - ts_sec);
|
|
// we only use milliseconds because that's all defined in exif, but this is the whole microseconds because we have it
|
|
snprintf(msbuf, sizeof msbuf, "%06d", static_cast<int32>(ts_usec.count()));
|
|
|
|
unsigned char exiftimes[82] = {
|
|
0x45, 0x78, 0x69, 0x66, 0x00, 0x00, 0x49, 0x49, 0x2A, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00,
|
|
0x69, 0x87, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x02, 0x00, 0x03, 0x90, 0x02, 0x00, 0x14, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x91, 0x92,
|
|
0x02, 0x00, 0x04, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
|
|
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
|
0xff, 0x00};
|
|
memcpy(&exiftimes[EXIFTIMES_OFFSET], timebuf, EXIFTIMES_LEN);
|
|
memcpy(&exiftimes[EXIFTIMES_MS_OFFSET], msbuf, EXIFTIMES_MS_LEN);
|
|
jpeg_write_marker(cinfo, EXIF_CODE, (const JOCTET *) exiftimes, sizeof(exiftimes));
|
|
}
|
|
|
|
JSAMPROW row_pointer = buffer; /* pointer to a single row */
|
|
while (cinfo->next_scanline < cinfo->image_height) {
|
|
jpeg_write_scanlines(cinfo, &row_pointer, 1);
|
|
row_pointer += linesize;
|
|
}
|
|
jpeg_finish_compress(cinfo);
|
|
fclose(outfile);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Image::DecodeJpeg(const JOCTET *inbuffer, int inbuffer_size, unsigned int p_colours, unsigned int p_subpixelorder)
|
|
{
|
|
unsigned int new_width, new_height, new_colours, new_subpixelorder;
|
|
|
|
if (!decodejpg_dcinfo) {
|
|
decodejpg_dcinfo = new jpeg_decompress_struct;
|
|
decodejpg_dcinfo->err = jpeg_std_error(&jpg_err.pub);
|
|
jpg_err.pub.error_exit = zm_jpeg_error_exit;
|
|
jpg_err.pub.emit_message = zm_jpeg_emit_message;
|
|
jpeg_create_decompress(decodejpg_dcinfo);
|
|
}
|
|
|
|
if (setjmp(jpg_err.setjmp_buffer)) {
|
|
jpeg_abort_decompress(decodejpg_dcinfo);
|
|
return false;
|
|
}
|
|
|
|
zm_jpeg_mem_src(decodejpg_dcinfo, inbuffer, inbuffer_size);
|
|
|
|
jpeg_read_header(decodejpg_dcinfo, TRUE);
|
|
|
|
if ((decodejpg_dcinfo->num_components != 1) && (decodejpg_dcinfo->num_components != 3)) {
|
|
Error("Unexpected colours when reading jpeg image: %d", colours);
|
|
jpeg_abort_decompress(decodejpg_dcinfo);
|
|
return false;
|
|
}
|
|
|
|
/* Check if the image has at least one huffman table defined. If not, use the standard ones */
|
|
/* This is required for the MJPEG capture palette of USB devices */
|
|
if (decodejpg_dcinfo->dc_huff_tbl_ptrs[0] == nullptr) {
|
|
zm_use_std_huff_tables(decodejpg_dcinfo);
|
|
}
|
|
|
|
new_width = decodejpg_dcinfo->image_width;
|
|
new_height = decodejpg_dcinfo->image_height;
|
|
|
|
if ((width != new_width) || (height != new_height)) {
|
|
Debug(9, "Image dimensions differ. Old: %ux%u New: %ux%u",
|
|
width, height, new_width, new_height);
|
|
}
|
|
|
|
switch (p_colours) {
|
|
case ZM_COLOUR_GRAY8:
|
|
decodejpg_dcinfo->out_color_space = JCS_GRAYSCALE;
|
|
new_colours = ZM_COLOUR_GRAY8;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_NONE;
|
|
break;
|
|
case ZM_COLOUR_RGB32:
|
|
#ifdef JCS_EXTENSIONS
|
|
new_colours = ZM_COLOUR_RGB32;
|
|
if (p_subpixelorder == ZM_SUBPIX_ORDER_BGRA) {
|
|
decodejpg_dcinfo->out_color_space = JCS_EXT_BGRX;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_BGRA;
|
|
} else if (p_subpixelorder == ZM_SUBPIX_ORDER_ARGB) {
|
|
decodejpg_dcinfo->out_color_space = JCS_EXT_XRGB;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_ARGB;
|
|
} else if (p_subpixelorder == ZM_SUBPIX_ORDER_ABGR) {
|
|
decodejpg_dcinfo->out_color_space = JCS_EXT_XBGR;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_ABGR;
|
|
} else {
|
|
/* Assume RGBA */
|
|
decodejpg_dcinfo->out_color_space = JCS_EXT_RGBX;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_RGBA;
|
|
}
|
|
break;
|
|
#else
|
|
Warning("libjpeg-turbo is required for reading a JPEG directly into a RGB32 buffer, reading into a RGB24 buffer instead.");
|
|
#endif
|
|
case ZM_COLOUR_RGB24:
|
|
default:
|
|
new_colours = ZM_COLOUR_RGB24;
|
|
if (p_subpixelorder == ZM_SUBPIX_ORDER_BGR) {
|
|
#ifdef JCS_EXTENSIONS
|
|
decodejpg_dcinfo->out_color_space = JCS_EXT_BGR;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_BGR;
|
|
#else
|
|
Warning("libjpeg-turbo is required for reading a JPEG directly into a BGR24 buffer, reading into a RGB24 buffer instead.");
|
|
cinfo->out_color_space = JCS_RGB;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_RGB;
|
|
#endif
|
|
} else {
|
|
/* Assume RGB */
|
|
/*
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->out_color_space = JCS_EXT_RGB;
|
|
#else
|
|
cinfo->out_color_space = JCS_RGB;
|
|
#endif
|
|
*/
|
|
decodejpg_dcinfo->out_color_space = JCS_RGB;
|
|
new_subpixelorder = ZM_SUBPIX_ORDER_RGB;
|
|
}
|
|
break;
|
|
} // end switch
|
|
|
|
if (WriteBuffer(new_width, new_height, new_colours, new_subpixelorder) == nullptr) {
|
|
Error("Failed requesting writeable buffer for reading JPEG image.");
|
|
jpeg_abort_decompress(decodejpg_dcinfo);
|
|
return false;
|
|
}
|
|
|
|
jpeg_start_decompress(decodejpg_dcinfo);
|
|
|
|
JSAMPROW row_pointer = buffer; /* pointer to a single row */
|
|
while (decodejpg_dcinfo->output_scanline < decodejpg_dcinfo->output_height) {
|
|
jpeg_read_scanlines(decodejpg_dcinfo, &row_pointer, 1);
|
|
row_pointer += linesize;
|
|
}
|
|
|
|
jpeg_finish_decompress(decodejpg_dcinfo);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Image::EncodeJpeg(JOCTET *outbuffer, int *outbuffer_size, int quality_override) const {
|
|
if ( config.colour_jpeg_files && (colours == ZM_COLOUR_GRAY8) ) {
|
|
Image temp_image(*this);
|
|
temp_image.Colourise(ZM_COLOUR_RGB24, ZM_SUBPIX_ORDER_RGB);
|
|
return temp_image.EncodeJpeg(outbuffer, outbuffer_size, quality_override);
|
|
}
|
|
|
|
int quality = quality_override ? quality_override : config.jpeg_stream_quality;
|
|
|
|
struct jpeg_compress_struct *cinfo = encodejpg_ccinfo[quality];
|
|
|
|
if ( !cinfo ) {
|
|
cinfo = encodejpg_ccinfo[quality] = new jpeg_compress_struct;
|
|
cinfo->err = jpeg_std_error(&jpg_err.pub);
|
|
jpg_err.pub.error_exit = zm_jpeg_error_exit;
|
|
jpg_err.pub.emit_message = zm_jpeg_emit_message;
|
|
jpeg_create_compress(cinfo);
|
|
}
|
|
|
|
zm_jpeg_mem_dest(cinfo, outbuffer, outbuffer_size);
|
|
|
|
cinfo->image_width = width; /* image width and height, in pixels */
|
|
cinfo->image_height = height;
|
|
|
|
switch ( colours ) {
|
|
case ZM_COLOUR_GRAY8:
|
|
cinfo->input_components = 1;
|
|
cinfo->in_color_space = JCS_GRAYSCALE;
|
|
break;
|
|
case ZM_COLOUR_RGB32:
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->input_components = 4;
|
|
if ( subpixelorder == ZM_SUBPIX_ORDER_RGBA ) {
|
|
cinfo->in_color_space = JCS_EXT_RGBX;
|
|
} else if ( subpixelorder == ZM_SUBPIX_ORDER_BGRA ) {
|
|
cinfo->in_color_space = JCS_EXT_BGRX;
|
|
} else if ( subpixelorder == ZM_SUBPIX_ORDER_ARGB ) {
|
|
cinfo->in_color_space = JCS_EXT_XRGB;
|
|
} else if ( subpixelorder == ZM_SUBPIX_ORDER_ABGR ) {
|
|
cinfo->in_color_space = JCS_EXT_XBGR;
|
|
} else {
|
|
Warning("unknown subpixelorder %d", subpixelorder);
|
|
/* Assume RGBA */
|
|
cinfo->in_color_space = JCS_EXT_RGBX;
|
|
}
|
|
break;
|
|
#else
|
|
Error("libjpeg-turbo is required for JPEG encoding directly from RGB32 source");
|
|
jpeg_abort_compress(cinfo);
|
|
return false;
|
|
#endif
|
|
case ZM_COLOUR_RGB24:
|
|
default:
|
|
cinfo->input_components = 3;
|
|
if ( subpixelorder == ZM_SUBPIX_ORDER_BGR ) {
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->in_color_space = JCS_EXT_BGR;
|
|
#else
|
|
Error("libjpeg-turbo is required for JPEG encoding directly from BGR24 source");
|
|
jpeg_abort_compress(cinfo);
|
|
return false;
|
|
#endif
|
|
} else {
|
|
/* Assume RGB */
|
|
/*
|
|
#ifdef JCS_EXTENSIONS
|
|
cinfo->out_color_space = JCS_EXT_RGB;
|
|
#else
|
|
cinfo->out_color_space = JCS_RGB;
|
|
#endif
|
|
*/
|
|
cinfo->in_color_space = JCS_RGB;
|
|
}
|
|
break;
|
|
} // end switch
|
|
|
|
jpeg_set_defaults(cinfo);
|
|
jpeg_set_quality(cinfo, quality, FALSE);
|
|
cinfo->dct_method = JDCT_FASTEST;
|
|
|
|
jpeg_start_compress(cinfo, TRUE);
|
|
|
|
JSAMPROW row_pointer = buffer;
|
|
while ( cinfo->next_scanline < cinfo->image_height ) {
|
|
jpeg_write_scanlines(cinfo, &row_pointer, 1);
|
|
row_pointer += linesize;
|
|
}
|
|
|
|
jpeg_finish_compress(cinfo);
|
|
|
|
return true;
|
|
}
|
|
|
|
#if HAVE_ZLIB_H
|
|
bool Image::Unzip( const Bytef *inbuffer, unsigned long inbuffer_size ) {
|
|
unsigned long zip_size = size;
|
|
int result = uncompress( buffer, &zip_size, inbuffer, inbuffer_size );
|
|
if ( result != Z_OK ) {
|
|
Error("Unzip failed, result = %d", result);
|
|
return false;
|
|
}
|
|
if ( zip_size != (unsigned int)size ) {
|
|
Error("Unzip failed, size mismatch, expected %d bytes, got %ld", size, zip_size);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool Image::Zip( Bytef *outbuffer, unsigned long *outbuffer_size, int compression_level ) const {
|
|
int result = compress2( outbuffer, outbuffer_size, buffer, size, compression_level );
|
|
if ( result != Z_OK ) {
|
|
Error("Zip failed, result = %d", result);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
#endif // HAVE_ZLIB_H
|
|
|
|
bool Image::Crop( unsigned int lo_x, unsigned int lo_y, unsigned int hi_x, unsigned int hi_y ) {
|
|
unsigned int new_width = (hi_x-lo_x)+1;
|
|
unsigned int new_height = (hi_y-lo_y)+1;
|
|
|
|
if ( lo_x > hi_x || lo_y > hi_y ) {
|
|
Error("Invalid or reversed crop region %d,%d -> %d,%d", lo_x, lo_y, hi_x, hi_y);
|
|
return false;
|
|
}
|
|
if ( hi_x > (width-1) || ( hi_y > (height-1) ) ) {
|
|
Error("Attempting to crop outside image, %d,%d -> %d,%d not in %d,%d",
|
|
lo_x, lo_y, hi_x, hi_y, width-1, height-1);
|
|
return false;
|
|
}
|
|
if ( (new_width == width) && (new_height == height) ) {
|
|
return true;
|
|
}
|
|
|
|
unsigned int new_stride = new_width * colours;
|
|
unsigned int new_size = new_stride * new_height;
|
|
uint8_t *new_buffer = AllocBuffer(new_size);
|
|
|
|
for ( unsigned int y = lo_y, ny = 0; y <= hi_y; y++, ny++ ) {
|
|
unsigned char *pbuf = &buffer[((y*linesize)+(lo_x*colours))];
|
|
unsigned char *pnbuf = &new_buffer[ny*new_stride];
|
|
memcpy(pnbuf, pbuf, new_stride);
|
|
}
|
|
|
|
AssignDirect(new_width, new_height, colours, subpixelorder, new_buffer, new_size, ZM_BUFTYPE_ZM);
|
|
return true;
|
|
}
|
|
|
|
bool Image::Crop(const Box &limits) {
|
|
return Crop(limits.Lo().x_, limits.Lo().y_, limits.Hi().x_, limits.Hi().y_);
|
|
}
|
|
|
|
/* Far from complete */
|
|
/* Need to implement all possible of overlays possible */
|
|
void Image::Overlay( const Image &image ) {
|
|
if ( !(width == image.width && height == image.height) ) {
|
|
Panic("Attempt to overlay different sized images, expected %dx%d, got %dx%d",
|
|
width, height, image.width, image.height);
|
|
}
|
|
|
|
if ( colours == image.colours && subpixelorder != image.subpixelorder ) {
|
|
Warning("Attempt to overlay images of same format but with different subpixel order %d != %d.",
|
|
subpixelorder, image.subpixelorder);
|
|
}
|
|
|
|
/* Grayscale ontop of grayscale - complete */
|
|
if ( colours == ZM_COLOUR_GRAY8 && image.colours == ZM_COLOUR_GRAY8 ) {
|
|
const uint8_t* const max_ptr = buffer+size;
|
|
const uint8_t* psrc = image.buffer;
|
|
uint8_t* pdest = buffer;
|
|
|
|
while ( pdest < max_ptr ) {
|
|
if ( *psrc ) {
|
|
*pdest = *psrc;
|
|
}
|
|
pdest++;
|
|
psrc++;
|
|
}
|
|
|
|
/* RGB24 ontop of grayscale - convert to same format first - complete */
|
|
} else if ( colours == ZM_COLOUR_GRAY8 && image.colours == ZM_COLOUR_RGB24 ) {
|
|
Colourise(image.colours, image.subpixelorder);
|
|
|
|
const uint8_t* const max_ptr = buffer+size;
|
|
const uint8_t* psrc = image.buffer;
|
|
uint8_t* pdest = buffer;
|
|
|
|
while ( pdest < max_ptr ) {
|
|
if ( RED_PTR_RGBA(psrc) || GREEN_PTR_RGBA(psrc) || BLUE_PTR_RGBA(psrc) ) {
|
|
RED_PTR_RGBA(pdest) = RED_PTR_RGBA(psrc);
|
|
GREEN_PTR_RGBA(pdest) = GREEN_PTR_RGBA(psrc);
|
|
BLUE_PTR_RGBA(pdest) = BLUE_PTR_RGBA(psrc);
|
|
}
|
|
pdest += 3;
|
|
psrc += 3;
|
|
}
|
|
|
|
/* RGB32 ontop of grayscale - convert to same format first - complete */
|
|
} else if ( colours == ZM_COLOUR_GRAY8 && image.colours == ZM_COLOUR_RGB32 ) {
|
|
Colourise(image.colours, image.subpixelorder);
|
|
|
|
const Rgb* const max_ptr = (Rgb*)(buffer+size);
|
|
const Rgb* prsrc = (Rgb*)image.buffer;
|
|
Rgb* prdest = (Rgb*)buffer;
|
|
|
|
if ( subpixelorder == ZM_SUBPIX_ORDER_RGBA || subpixelorder == ZM_SUBPIX_ORDER_BGRA ) {
|
|
/* RGB\BGR\RGBA\BGRA subpixel order - Alpha byte is last */
|
|
while ( prdest < max_ptr) {
|
|
if ( RED_PTR_RGBA(prsrc) || GREEN_PTR_RGBA(prsrc) || BLUE_PTR_RGBA(prsrc) ) {
|
|
*prdest = *prsrc;
|
|
}
|
|
prdest++;
|
|
prsrc++;
|
|
}
|
|
} else {
|
|
/* ABGR\ARGB subpixel order - Alpha byte is first */
|
|
while ( prdest < max_ptr) {
|
|
if ( RED_PTR_ABGR(prsrc) || GREEN_PTR_ABGR(prsrc) || BLUE_PTR_ABGR(prsrc) ) {
|
|
*prdest = *prsrc;
|
|
}
|
|
prdest++;
|
|
prsrc++;
|
|
}
|
|
}
|
|
|
|
/* Grayscale ontop of RGB24 - complete */
|
|
} else if ( colours == ZM_COLOUR_RGB24 && image.colours == ZM_COLOUR_GRAY8 ) {
|
|
const uint8_t* const max_ptr = buffer+size;
|
|
const uint8_t* psrc = image.buffer;
|
|
uint8_t* pdest = buffer;
|
|
|
|
while ( pdest < max_ptr ) {
|
|
if ( *psrc ) {
|
|
RED_PTR_RGBA(pdest) = GREEN_PTR_RGBA(pdest) = BLUE_PTR_RGBA(pdest) = *psrc;
|
|
}
|
|
pdest += 3;
|
|
psrc++;
|
|
}
|
|
|
|
/* RGB24 ontop of RGB24 - not complete. need to take care of different subpixel orders */
|
|
} else if ( colours == ZM_COLOUR_RGB24 && image.colours == ZM_COLOUR_RGB24 ) {
|
|
const uint8_t* const max_ptr = buffer+size;
|
|
const uint8_t* psrc = image.buffer;
|
|
uint8_t* pdest = buffer;
|
|
|
|
while ( pdest < max_ptr ) {
|
|
if ( RED_PTR_RGBA(psrc) || GREEN_PTR_RGBA(psrc) || BLUE_PTR_RGBA(psrc) ) {
|
|
RED_PTR_RGBA(pdest) = RED_PTR_RGBA(psrc);
|
|
GREEN_PTR_RGBA(pdest) = GREEN_PTR_RGBA(psrc);
|
|
BLUE_PTR_RGBA(pdest) = BLUE_PTR_RGBA(psrc);
|
|
}
|
|
pdest += 3;
|
|
psrc += 3;
|
|
}
|
|
|
|
/* RGB32 ontop of RGB24 - TO BE DONE */
|
|
} else if ( colours == ZM_COLOUR_RGB24 && image.colours == ZM_COLOUR_RGB32 ) {
|
|
Error("Overlay of RGB32 ontop of RGB24 is not supported.");
|
|
|
|
/* Grayscale ontop of RGB32 - complete */
|
|
} else if ( colours == ZM_COLOUR_RGB32 && image.colours == ZM_COLOUR_GRAY8 ) {
|
|
const Rgb* const max_ptr = (Rgb*)(buffer+size);
|
|
Rgb* prdest = (Rgb*)buffer;
|
|
const uint8_t* psrc = image.buffer;
|
|
|
|
if ( subpixelorder == ZM_SUBPIX_ORDER_RGBA || subpixelorder == ZM_SUBPIX_ORDER_BGRA ) {
|
|
/* RGBA\BGRA subpixel order - Alpha byte is last */
|
|
while ( prdest < max_ptr ) {
|
|
if ( *psrc ) {
|
|
RED_PTR_RGBA(prdest) = GREEN_PTR_RGBA(prdest) = BLUE_PTR_RGBA(prdest) = *psrc;
|
|
}
|
|
prdest++;
|
|
psrc++;
|
|
}
|
|
} else {
|
|
/* ABGR\ARGB subpixel order - Alpha byte is first */
|
|
while ( prdest < max_ptr ) {
|
|
if ( *psrc ) {
|
|
RED_PTR_ABGR(prdest) = GREEN_PTR_ABGR(prdest) = BLUE_PTR_ABGR(prdest) = *psrc;
|
|
}
|
|
prdest++;
|
|
psrc++;
|
|
}
|
|
}
|
|
|
|
/* RGB24 ontop of RGB32 - TO BE DONE */
|
|
} else if ( colours == ZM_COLOUR_RGB32 && image.colours == ZM_COLOUR_RGB24 ) {
|
|
Error("Overlay of RGB24 ontop of RGB32 is not supported.");
|
|
|
|
/* RGB32 ontop of RGB32 - not complete. need to take care of different subpixel orders */
|
|
} else if ( colours == ZM_COLOUR_RGB32 && image.colours == ZM_COLOUR_RGB32 ) {
|
|
const Rgb* const max_ptr = (Rgb*)(buffer+size);
|
|
Rgb* prdest = (Rgb*)buffer;
|
|
const Rgb* prsrc = (Rgb*)image.buffer;
|
|
|
|
if ( image.subpixelorder == ZM_SUBPIX_ORDER_RGBA || image.subpixelorder == ZM_SUBPIX_ORDER_BGRA ) {
|
|
/* RGB\BGR\RGBA\BGRA subpixel order - Alpha byte is last */
|
|
while ( prdest < max_ptr ) {
|
|
if ( RED_PTR_RGBA(prsrc) || GREEN_PTR_RGBA(prsrc) || BLUE_PTR_RGBA(prsrc) ) {
|
|
*prdest = *prsrc;
|
|
}
|
|
prdest++;
|
|
prsrc++;
|
|
}
|
|
} else {
|
|
/* ABGR\ARGB subpixel order - Alpha byte is first */
|
|
while ( prdest < max_ptr ) {
|
|
if ( RED_PTR_ABGR(prsrc) || GREEN_PTR_ABGR(prsrc) || BLUE_PTR_ABGR(prsrc) ) {
|
|
*prdest = *prsrc;
|
|
}
|
|
prdest++;
|
|
prsrc++;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::Overlay( const Image &image, unsigned int x, unsigned int y ) {
|
|
if ( !(width < image.width || height < image.height) ) {
|
|
Panic("Attempt to overlay image too big for destination, %dx%d > %dx%d",
|
|
image.width, image.height, width, height );
|
|
}
|
|
|
|
if ( !(width < (x+image.width) || height < (y+image.height)) ) {
|
|
Panic("Attempt to overlay image outside of destination bounds, %dx%d @ %dx%d > %dx%d",
|
|
image.width, image.height, x, y, width, height );
|
|
}
|
|
|
|
if ( !(colours == image.colours) ) {
|
|
Panic("Attempt to partial overlay differently coloured images, expected %d, got %d",
|
|
colours, image.colours);
|
|
}
|
|
|
|
unsigned int lo_x = x;
|
|
unsigned int lo_y = y;
|
|
unsigned int hi_x = (x+image.width)-1;
|
|
unsigned int hi_y = (y+image.height-1);
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
const uint8_t *psrc = image.buffer;
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
uint8_t *pdest = &buffer[(y*width)+lo_x];
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++ ) {
|
|
*pdest++ = *psrc++;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
const uint8_t *psrc = image.buffer;
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
uint8_t *pdest = &buffer[colours*((y*width)+lo_x)];
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++ ) {
|
|
*pdest++ = *psrc++;
|
|
*pdest++ = *psrc++;
|
|
*pdest++ = *psrc++;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
const Rgb *psrc = (Rgb*)(image.buffer);
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
Rgb *pdest = (Rgb*)&buffer[((y*width)+lo_x)<<2];
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++ ) {
|
|
*pdest++ = *psrc++;
|
|
}
|
|
}
|
|
} else {
|
|
Error("Overlay called with unexpected colours: %d", colours);
|
|
}
|
|
} // end void Image::Overlay( const Image &image, unsigned int x, unsigned int y )
|
|
|
|
void Image::Blend( const Image &image, int transparency ) {
|
|
uint8_t* new_buffer;
|
|
|
|
if ( !(
|
|
width == image.width && height == image.height
|
|
&& colours == image.colours
|
|
&& subpixelorder == image.subpixelorder
|
|
) ) {
|
|
Panic("Attempt to blend different sized images, expected %dx%dx%d %d, got %dx%dx%d %d",
|
|
width, height, colours, subpixelorder, image.width, image.height, image.colours, image.subpixelorder );
|
|
}
|
|
|
|
if ( transparency <= 0 )
|
|
return;
|
|
|
|
new_buffer = AllocBuffer(size);
|
|
|
|
#ifdef ZM_IMAGE_PROFILING
|
|
TimePoint start = std::chrono::steady_clock::now();
|
|
#endif
|
|
|
|
/* Do the blending */
|
|
(*blend)(buffer, image.buffer, new_buffer, size, transparency);
|
|
|
|
#ifdef ZM_IMAGE_PROFILING
|
|
TimePoint end = std::chrono::steady_clock::now();
|
|
|
|
std::chrono::nanoseconds diff = std::chrono::duration_cast<std::chrono::nanoseconds>(end - start);
|
|
uint64 mil_pixels = static_cast<uint64>(size / (static_cast<long double>(diff.count()) / 1000));
|
|
Debug(5, "Blend: %u colours blended in %" PRIi64 " nanoseconds, % " PRIi64 " million colours/s\n",
|
|
size,
|
|
static_cast<int64>(diff.count()),
|
|
mil_pixels);
|
|
#endif
|
|
|
|
AssignDirect(width, height, colours, subpixelorder, new_buffer, size, ZM_BUFTYPE_ZM);
|
|
}
|
|
|
|
Image *Image::Merge(unsigned int n_images, Image *images[]) {
|
|
if ( n_images == 1 ) return new Image(*images[0]);
|
|
|
|
unsigned int width = images[0]->width;
|
|
unsigned int height = images[0]->height;
|
|
unsigned int colours = images[0]->colours;
|
|
for ( unsigned int i = 1; i < n_images; i++ ) {
|
|
if ( !(width == images[i]->width && height == images[i]->height && colours == images[i]->colours) ) {
|
|
Panic("Attempt to merge different sized images, expected %dx%dx%d, got %dx%dx%d, for image %d",
|
|
width, height, colours, images[i]->width, images[i]->height, images[i]->colours, i );
|
|
}
|
|
}
|
|
|
|
Image *result = new Image(width, height, images[0]->colours, images[0]->subpixelorder);
|
|
unsigned int size = result->size;
|
|
for ( unsigned int i = 0; i < size; i++ ) {
|
|
unsigned int total = 0;
|
|
uint8_t *pdest = result->buffer;
|
|
for ( unsigned int j = 0; j < n_images; j++ ) {
|
|
uint8_t *psrc = images[j]->buffer;
|
|
total += *psrc;
|
|
psrc++;
|
|
}
|
|
*pdest = total/n_images;
|
|
pdest++;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Image *Image::Merge(unsigned int n_images, Image *images[], double weight) {
|
|
if ( n_images == 1 ) return new Image(*images[0]);
|
|
|
|
unsigned int width = images[0]->width;
|
|
unsigned int height = images[0]->height;
|
|
unsigned int colours = images[0]->colours;
|
|
for ( unsigned int i = 1; i < n_images; i++ ) {
|
|
if ( !(width == images[i]->width && height == images[i]->height && colours == images[i]->colours) ) {
|
|
Panic("Attempt to merge different sized images, expected %dx%dx%d, got %dx%dx%d, for image %d",
|
|
width, height, colours, images[i]->width, images[i]->height, images[i]->colours, i );
|
|
}
|
|
}
|
|
|
|
Image *result = new Image(*images[0]);
|
|
unsigned int size = result->size;
|
|
double factor = 1.0*weight;
|
|
for ( unsigned int i = 1; i < n_images; i++ ) {
|
|
uint8_t *pdest = result->buffer;
|
|
uint8_t *psrc = images[i]->buffer;
|
|
for ( unsigned int j = 0; j < size; j++ ) {
|
|
*pdest = (uint8_t)(((*pdest)*(1.0-factor))+((*psrc)*factor));
|
|
pdest++;
|
|
psrc++;
|
|
}
|
|
factor *= weight;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
Image *Image::Highlight( unsigned int n_images, Image *images[], const Rgb threshold, const Rgb ref_colour ) {
|
|
if ( n_images == 1 ) return new Image(*images[0]);
|
|
|
|
unsigned int width = images[0]->width;
|
|
unsigned int height = images[0]->height;
|
|
unsigned int colours = images[0]->colours;
|
|
for ( unsigned int i = 1; i < n_images; i++ ) {
|
|
if ( !(width == images[i]->width && height == images[i]->height && colours == images[i]->colours) ) {
|
|
Panic( "Attempt to highlight different sized images, expected %dx%dx%d, got %dx%dx%d, for image %d",
|
|
width, height, colours, images[i]->width, images[i]->height, images[i]->colours, i );
|
|
}
|
|
}
|
|
|
|
Image *result = new Image(width, height, images[0]->colours, images[0]->subpixelorder);
|
|
unsigned int size = result->size;
|
|
for ( unsigned int c = 0; c < colours; c++ ) {
|
|
unsigned int ref_colour_rgb = RGB_VAL(ref_colour,c);
|
|
|
|
for ( unsigned int i = 0; i < size; i++ ) {
|
|
unsigned int count = 0;
|
|
uint8_t *pdest = result->buffer+c;
|
|
for ( unsigned int j = 0; j < n_images; j++ ) {
|
|
uint8_t *psrc = images[j]->buffer+c;
|
|
|
|
unsigned int diff = ((*psrc)-ref_colour_rgb) > 0 ? (*psrc)-ref_colour_rgb : ref_colour_rgb - (*psrc);
|
|
|
|
if (diff >= RGB_VAL(threshold,c)) {
|
|
count++;
|
|
}
|
|
psrc += colours;
|
|
}
|
|
*pdest = (count*255)/n_images;
|
|
pdest += 3;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* New function to allow buffer re-using instead of allocationg memory for the delta image every time */
|
|
void Image::Delta(const Image &image, Image* targetimage) const {
|
|
if ( !(width == image.width && height == image.height && colours == image.colours && subpixelorder == image.subpixelorder) ) {
|
|
Panic( "Attempt to get delta of different sized images, expected %dx%dx%d %d, got %dx%dx%d %d",
|
|
width, height, colours, subpixelorder, image.width, image.height, image.colours, image.subpixelorder);
|
|
}
|
|
|
|
uint8_t *pdiff = targetimage->WriteBuffer(width, height, ZM_COLOUR_GRAY8, ZM_SUBPIX_ORDER_NONE);
|
|
|
|
if ( pdiff == nullptr ) {
|
|
Panic("Failed requesting writeable buffer for storing the delta image");
|
|
}
|
|
|
|
#ifdef ZM_IMAGE_PROFILING
|
|
TimePoint start = std::chrono::steady_clock::now();
|
|
#endif
|
|
|
|
switch ( colours ) {
|
|
case ZM_COLOUR_RGB24:
|
|
if ( subpixelorder == ZM_SUBPIX_ORDER_BGR ) {
|
|
/* BGR subpixel order */
|
|
(*delta8_bgr)(buffer, image.buffer, pdiff, pixels);
|
|
} else {
|
|
/* Assume RGB subpixel order */
|
|
(*delta8_rgb)(buffer, image.buffer, pdiff, pixels);
|
|
}
|
|
break;
|
|
case ZM_COLOUR_RGB32:
|
|
if ( subpixelorder == ZM_SUBPIX_ORDER_ARGB ) {
|
|
/* ARGB subpixel order */
|
|
(*delta8_argb)(buffer, image.buffer, pdiff, pixels);
|
|
} else if(subpixelorder == ZM_SUBPIX_ORDER_ABGR) {
|
|
/* ABGR subpixel order */
|
|
(*delta8_abgr)(buffer, image.buffer, pdiff, pixels);
|
|
} else if(subpixelorder == ZM_SUBPIX_ORDER_BGRA) {
|
|
/* BGRA subpixel order */
|
|
(*delta8_bgra)(buffer, image.buffer, pdiff, pixels);
|
|
} else {
|
|
/* Assume RGBA subpixel order */
|
|
(*delta8_rgba)(buffer, image.buffer, pdiff, pixels);
|
|
}
|
|
break;
|
|
case ZM_COLOUR_GRAY8:
|
|
(*delta8_gray8)(buffer, image.buffer, pdiff, pixels);
|
|
break;
|
|
default:
|
|
Panic("Delta called with unexpected colours: %d",colours);
|
|
break;
|
|
}
|
|
|
|
#ifdef ZM_IMAGE_PROFILING
|
|
TimePoint end = std::chrono::steady_clock::now();
|
|
|
|
std::chrono::nanoseconds diff = std::chrono::duration_cast<std::chrono::nanoseconds>(end - start);
|
|
uint64 mil_pixels = static_cast<uint64>(size / (static_cast<long double>(diff.count()) / 1000));
|
|
Debug(5, "Delta: %u delta pixels generated in %" PRIi64 " nanoseconds, % " PRIi64 " million pixels/s",
|
|
size,
|
|
static_cast<int64>(diff.count()),
|
|
mil_pixels);
|
|
#endif
|
|
}
|
|
|
|
const Vector2 Image::centreCoord(const char *text, int size = 1) const {
|
|
int index = 0;
|
|
int line_no = 0;
|
|
int text_len = strlen(text);
|
|
int line_len = 0;
|
|
int max_line_len = 0;
|
|
const char *line = text;
|
|
|
|
while ( (index < text_len) && (line_len = strcspn( line, "\n" )) ) {
|
|
if ( line_len > max_line_len )
|
|
max_line_len = line_len;
|
|
|
|
index += line_len;
|
|
while ( text[index] == '\n' ) {
|
|
index++;
|
|
}
|
|
line = text+index;
|
|
line_no++;
|
|
}
|
|
|
|
FontVariant const &font_variant = font.GetFontVariant(size - 1);
|
|
uint16_t char_width = font_variant.GetCharWidth();
|
|
uint16_t char_height = font_variant.GetCharHeight();
|
|
int x = (width - (max_line_len * char_width )) / 2;
|
|
int y = (height - (line_no * char_height) ) / 2;
|
|
return {x, y};
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::MaskPrivacy( const unsigned char *p_bitmask, const Rgb pixel_colour ) {
|
|
const uint8_t pixel_r_col = RED_VAL_RGBA(pixel_colour);
|
|
const uint8_t pixel_g_col = GREEN_VAL_RGBA(pixel_colour);
|
|
const uint8_t pixel_b_col = BLUE_VAL_RGBA(pixel_colour);
|
|
const uint8_t pixel_bw_col = pixel_colour & 0xff;
|
|
const Rgb pixel_rgb_col = rgb_convert(pixel_colour,subpixelorder);
|
|
|
|
unsigned char *ptr = &buffer[0];
|
|
unsigned int i = 0;
|
|
|
|
for ( unsigned int y = 0; y < height; y++ ) {
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for ( unsigned int x = 0; x < width; x++, ptr++ ) {
|
|
if ( p_bitmask[i] )
|
|
*ptr = pixel_bw_col;
|
|
i++;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for ( unsigned int x = 0; x < width; x++, ptr += colours ) {
|
|
if ( p_bitmask[i] ) {
|
|
RED_PTR_RGBA(ptr) = pixel_r_col;
|
|
GREEN_PTR_RGBA(ptr) = pixel_g_col;
|
|
BLUE_PTR_RGBA(ptr) = pixel_b_col;
|
|
}
|
|
i++;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
for ( unsigned int x = 0; x < width; x++, ptr += colours ) {
|
|
Rgb *temp_ptr = (Rgb*)ptr;
|
|
if ( p_bitmask[i] )
|
|
*temp_ptr = pixel_rgb_col;
|
|
i++;
|
|
}
|
|
} else {
|
|
Panic("MaskPrivacy called with unexpected colours: %d", colours);
|
|
return;
|
|
}
|
|
} // end foreach y
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
/* Bitmap decoding trick has been adopted from here:
|
|
https://lemire.me/blog/2018/02/21/iterating-over-set-bits-quickly/
|
|
*/
|
|
void Image::Annotate(
|
|
const std::string &text,
|
|
const Vector2 &coord,
|
|
const uint8 size,
|
|
const Rgb fg_colour,
|
|
const Rgb bg_colour) {
|
|
annotation_ = text;
|
|
|
|
const Rgb fg_rgb_col = rgb_convert(fg_colour, subpixelorder);
|
|
const Rgb bg_rgb_col = rgb_convert(bg_colour, subpixelorder);
|
|
|
|
FontVariant const &font_variant = font.GetFontVariant(size - 1);
|
|
const uint16 char_width = font_variant.GetCharWidth();
|
|
const uint16 char_height = font_variant.GetCharHeight();
|
|
|
|
std::vector<std::string> lines = Split(annotation_, '\n');
|
|
std::size_t max_line_length = 0;
|
|
for (const std::string &s : lines) {
|
|
max_line_length = std::max(max_line_length, s.size());
|
|
}
|
|
|
|
uint32 x0_max = width - (max_line_length * char_width);
|
|
uint32 y0_max = height - (lines.size() * char_height);
|
|
|
|
// Calculate initial coordinates of annotation so that everything is displayed even if the
|
|
// user set coordinates would prevent that.
|
|
uint32 x0 = zm::clamp(static_cast<uint32>(coord.x_), 0u, x0_max);
|
|
uint32 y0 = zm::clamp(static_cast<uint32>(coord.y_), 0u, y0_max);
|
|
|
|
uint32 y = y0;
|
|
for (const std::string &line : lines) {
|
|
uint32 x = x0;
|
|
|
|
if (colours == ZM_COLOUR_GRAY8) {
|
|
uint8 *ptr = &buffer[(y * width) + x0];
|
|
for (char c : line) {
|
|
for (uint64 cp_row : font_variant.GetCodepoint(c)) {
|
|
if (bg_colour != kRGBTransparent) {
|
|
std::fill(ptr, ptr + char_width, static_cast<uint8>(bg_colour & 0xff));
|
|
}
|
|
|
|
while (cp_row != 0) {
|
|
uint32 column_idx = char_width - __builtin_ctzll(cp_row) + font_variant.GetCharPadding();
|
|
*(ptr + column_idx) = fg_colour & 0xff;
|
|
cp_row = cp_row & (cp_row - 1);
|
|
}
|
|
ptr += width;
|
|
}
|
|
ptr -= (width * char_height);
|
|
ptr += char_width;
|
|
x += char_width;
|
|
if (x >= width) {
|
|
break;
|
|
}
|
|
}
|
|
} else if (colours == ZM_COLOUR_RGB24) {
|
|
constexpr uint8 bytesPerPixel = 3;
|
|
uint8 *ptr = &buffer[((y * width) + x0) * bytesPerPixel];
|
|
|
|
for (char c : line) {
|
|
for (uint64 cp_row : font_variant.GetCodepoint(c)) {
|
|
if (bg_colour != kRGBTransparent) {
|
|
for (uint16 i = 0; i < char_width; i++) { // We need to set individual r,g,b components
|
|
uint8 *colour_ptr = ptr + (i * bytesPerPixel);
|
|
RED_PTR_RGBA(colour_ptr) = RED_VAL_RGBA(bg_colour);
|
|
GREEN_PTR_RGBA(colour_ptr) = GREEN_VAL_RGBA(bg_colour);
|
|
BLUE_PTR_RGBA(colour_ptr) = BLUE_VAL_RGBA(bg_colour);
|
|
}
|
|
}
|
|
|
|
while (cp_row != 0) {
|
|
uint32 column_idx = char_width - __builtin_ctzll(cp_row) + font_variant.GetCharPadding();
|
|
uint8 *colour_ptr = ptr + (column_idx * bytesPerPixel);
|
|
RED_PTR_RGBA(colour_ptr) = RED_VAL_RGBA(fg_colour);
|
|
GREEN_PTR_RGBA(colour_ptr) = GREEN_VAL_RGBA(fg_colour);
|
|
BLUE_PTR_RGBA(colour_ptr) = BLUE_VAL_RGBA(fg_colour);
|
|
cp_row = cp_row & (cp_row - 1);
|
|
}
|
|
ptr += width * bytesPerPixel;
|
|
}
|
|
ptr -= (width * char_height * bytesPerPixel);
|
|
ptr += char_width * bytesPerPixel;
|
|
x += char_width;
|
|
if (x >= width) {
|
|
break;
|
|
}
|
|
}
|
|
} else if (colours == ZM_COLOUR_RGB32) {
|
|
constexpr uint8 bytesPerPixel = 4;
|
|
Rgb *ptr = reinterpret_cast<Rgb *>(&buffer[((y * width) + x0) * bytesPerPixel]);
|
|
|
|
for (char c : line) {
|
|
for (uint64 cp_row : font_variant.GetCodepoint(c)) {
|
|
if (bg_colour != kRGBTransparent) {
|
|
std::fill(ptr, ptr + char_width, bg_rgb_col);
|
|
}
|
|
|
|
while (cp_row != 0) {
|
|
uint32 column_idx = char_width - __builtin_ctzll(cp_row) + font_variant.GetCharPadding();
|
|
*(ptr + column_idx) = fg_rgb_col;
|
|
cp_row = cp_row & (cp_row - 1);
|
|
}
|
|
ptr += width;
|
|
}
|
|
ptr -= (width * char_height);
|
|
ptr += char_width;
|
|
x += char_width;
|
|
if (x >= width) {
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
Error("Annotate called with unexpected colours: %d", colours);
|
|
return;
|
|
}
|
|
y += char_height;
|
|
if (y >= height) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Image::Timestamp(const char *label, SystemTimePoint when, const Vector2 &coord, int label_size) {
|
|
char time_text[64];
|
|
tm when_tm = {};
|
|
time_t when_t = std::chrono::system_clock::to_time_t(when);
|
|
strftime(time_text, sizeof(time_text), "%y/%m/%d %H:%M:%S", localtime_r(&when_t, &when_tm));
|
|
if (label) {
|
|
// Assume label is max 64, + ' - ' + 64 chars of time_text
|
|
char text[132];
|
|
snprintf(text, sizeof(text), "%s - %s", label, time_text);
|
|
Annotate(text, coord, label_size);
|
|
} else {
|
|
Annotate(time_text, coord, label_size);
|
|
}
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::Colourise(const unsigned int p_reqcolours, const unsigned int p_reqsubpixelorder) {
|
|
Debug(9, "Colourise: Req colours: %u Req subpixel order: %u Current colours: %u Current subpixel order: %u",p_reqcolours,p_reqsubpixelorder,colours,subpixelorder);
|
|
|
|
if ( colours != ZM_COLOUR_GRAY8) {
|
|
Warning("Target image is already colourised, colours: %u",colours);
|
|
return;
|
|
}
|
|
|
|
if ( p_reqcolours == ZM_COLOUR_RGB32 ) {
|
|
/* RGB32 */
|
|
Rgb* new_buffer = (Rgb*)AllocBuffer(pixels*sizeof(Rgb));
|
|
|
|
const uint8_t *psrc = buffer;
|
|
Rgb* pdest = new_buffer;
|
|
Rgb subpixel;
|
|
Rgb newpixel;
|
|
|
|
if ( p_reqsubpixelorder == ZM_SUBPIX_ORDER_ABGR || p_reqsubpixelorder == ZM_SUBPIX_ORDER_ARGB ) {
|
|
/* ARGB\ABGR subpixel order. alpha byte is first (mem+0), so we need to shift the pixel left in the end */
|
|
for ( unsigned int i=0; i < pixels; i++ ) {
|
|
newpixel = subpixel = psrc[i];
|
|
newpixel = (newpixel<<8) | subpixel;
|
|
newpixel = (newpixel<<8) | subpixel;
|
|
pdest[i] = (newpixel<<8);
|
|
}
|
|
} else {
|
|
/* RGBA\BGRA subpixel order, alpha byte is last (mem+3) */
|
|
for ( unsigned int i=0; i < pixels; i++ ) {
|
|
newpixel = subpixel = psrc[i];
|
|
newpixel = (newpixel<<8) | subpixel;
|
|
newpixel = (newpixel<<8) | subpixel;
|
|
pdest[i] = newpixel;
|
|
}
|
|
}
|
|
|
|
/* Directly assign the new buffer and make sure it will be freed when not needed anymore */
|
|
AssignDirect( width, height, p_reqcolours, p_reqsubpixelorder, (uint8_t*)new_buffer, pixels*4, ZM_BUFTYPE_ZM);
|
|
|
|
} else if ( p_reqcolours == ZM_COLOUR_RGB24 ) {
|
|
/* RGB24 */
|
|
uint8_t *new_buffer = AllocBuffer(pixels*3);
|
|
|
|
uint8_t *pdest = new_buffer;
|
|
const uint8_t *psrc = buffer;
|
|
|
|
for ( unsigned int i=0; i < (unsigned int)pixels; i++, pdest += 3 ) {
|
|
RED_PTR_RGBA(pdest) = GREEN_PTR_RGBA(pdest) = BLUE_PTR_RGBA(pdest) = psrc[i];
|
|
}
|
|
|
|
/* Directly assign the new buffer and make sure it will be freed when not needed anymore */
|
|
AssignDirect( width, height, p_reqcolours, p_reqsubpixelorder, new_buffer, pixels*3, ZM_BUFTYPE_ZM);
|
|
} else {
|
|
Error("Colourise called with unexpected colours: %d", colours);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::DeColourise() {
|
|
colours = ZM_COLOUR_GRAY8;
|
|
subpixelorder = ZM_SUBPIX_ORDER_NONE;
|
|
size = width * height;
|
|
|
|
if ( colours == ZM_COLOUR_RGB32 && config.cpu_extensions && sse_version >= 35 ) {
|
|
/* Use SSSE3 functions */
|
|
switch (subpixelorder) {
|
|
case ZM_SUBPIX_ORDER_BGRA:
|
|
ssse3_convert_bgra_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_ARGB:
|
|
ssse3_convert_argb_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_ABGR:
|
|
ssse3_convert_abgr_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_RGBA:
|
|
default:
|
|
ssse3_convert_rgba_gray8(buffer,buffer,pixels);
|
|
break;
|
|
}
|
|
} else {
|
|
/* Use standard functions */
|
|
if ( colours == ZM_COLOUR_RGB32 ) {
|
|
if ( pixels % 16 ) {
|
|
switch (subpixelorder) {
|
|
case ZM_SUBPIX_ORDER_BGRA:
|
|
std_convert_bgra_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_ARGB:
|
|
std_convert_argb_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_ABGR:
|
|
std_convert_abgr_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_RGBA:
|
|
default:
|
|
std_convert_rgba_gray8(buffer,buffer,pixels);
|
|
break;
|
|
}
|
|
} else {
|
|
switch (subpixelorder) {
|
|
case ZM_SUBPIX_ORDER_BGRA:
|
|
fast_convert_bgra_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_ARGB:
|
|
fast_convert_argb_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_ABGR:
|
|
fast_convert_abgr_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_RGBA:
|
|
default:
|
|
fast_convert_rgba_gray8(buffer,buffer,pixels);
|
|
break;
|
|
}
|
|
} // end if pixels % 16 to use loop unrolled functions
|
|
} else {
|
|
/* Assume RGB24 */
|
|
if ( pixels % 12 ) {
|
|
switch (subpixelorder) {
|
|
case ZM_SUBPIX_ORDER_BGR:
|
|
std_convert_bgr_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_RGB:
|
|
default:
|
|
std_convert_rgb_gray8(buffer,buffer,pixels);
|
|
break;
|
|
}
|
|
} else {
|
|
switch (subpixelorder) {
|
|
case ZM_SUBPIX_ORDER_BGR:
|
|
fast_convert_bgr_gray8(buffer,buffer,pixels);
|
|
break;
|
|
case ZM_SUBPIX_ORDER_RGB:
|
|
default:
|
|
fast_convert_rgb_gray8(buffer,buffer,pixels);
|
|
break;
|
|
}
|
|
} // end if pixels % 12 to use loop unrolled functions
|
|
}
|
|
}
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::Fill( Rgb colour, const Box *limits ) {
|
|
if ( !(colours == ZM_COLOUR_GRAY8 || colours == ZM_COLOUR_RGB24 || colours == ZM_COLOUR_RGB32 ) ) {
|
|
Panic("Attempt to fill image with unexpected colours %d", colours);
|
|
}
|
|
|
|
/* Convert the colour's RGBA subpixel order into the image's subpixel order */
|
|
colour = rgb_convert(colour,subpixelorder);
|
|
|
|
unsigned int lo_x = limits ? limits->Lo().x_ : 0;
|
|
unsigned int lo_y = limits ? limits->Lo().y_ : 0;
|
|
unsigned int hi_x = limits ? limits->Hi().x_ : width - 1;
|
|
unsigned int hi_y = limits ? limits->Hi().y_ : height - 1;
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
unsigned char *p = &buffer[(y*width)+lo_x];
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p++) {
|
|
*p = colour;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
unsigned char *p = &buffer[colours*((y*width)+lo_x)];
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p += 3) {
|
|
RED_PTR_RGBA(p) = RED_VAL_RGBA(colour);
|
|
GREEN_PTR_RGBA(p) = GREEN_VAL_RGBA(colour);
|
|
BLUE_PTR_RGBA(p) = BLUE_VAL_RGBA(colour);
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) /* RGB32 */ {
|
|
for ( unsigned int y = lo_y; y <= (unsigned int)hi_y; y++ ) {
|
|
Rgb *p = (Rgb*)&buffer[((y*width)+lo_x)<<2];
|
|
|
|
for ( unsigned int x = lo_x; x <= (unsigned int)hi_x; x++, p++) {
|
|
/* Fast, copies the entire pixel in a single pass */
|
|
*p = colour;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::Fill( Rgb colour, int density, const Box *limits ) {
|
|
/* Allow the faster version to be used if density is not used (density=1) */
|
|
if ( density <= 1 )
|
|
return Fill(colour,limits);
|
|
|
|
if ( !(colours == ZM_COLOUR_GRAY8 || colours == ZM_COLOUR_RGB24 || colours == ZM_COLOUR_RGB32 ) ) {
|
|
Panic("Attempt to fill image with unexpected colours %d", colours);
|
|
}
|
|
|
|
/* Convert the colour's RGBA subpixel order into the image's subpixel order */
|
|
colour = rgb_convert(colour, subpixelorder);
|
|
|
|
unsigned int lo_x = limits ? limits->Lo().x_ : 0;
|
|
unsigned int lo_y = limits ? limits->Lo().y_ : 0;
|
|
unsigned int hi_x = limits ? limits->Hi().x_ : width - 1;
|
|
unsigned int hi_y = limits ? limits->Hi().y_ : height - 1;
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
unsigned char *p = &buffer[(y*width)+lo_x];
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p++) {
|
|
if ( ( x == lo_x || x == hi_x || y == lo_y || y == hi_y ) || (!(x%density) && !(y%density) ) )
|
|
*p = colour;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
unsigned char *p = &buffer[colours*((y*width)+lo_x)];
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p += 3) {
|
|
if ( ( x == lo_x || x == hi_x || y == lo_y || y == hi_y ) || (!(x%density) && !(y%density) ) ) {
|
|
RED_PTR_RGBA(p) = RED_VAL_RGBA(colour);
|
|
GREEN_PTR_RGBA(p) = GREEN_VAL_RGBA(colour);
|
|
BLUE_PTR_RGBA(p) = BLUE_VAL_RGBA(colour);
|
|
}
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) /* RGB32 */ {
|
|
for ( unsigned int y = lo_y; y <= hi_y; y++ ) {
|
|
Rgb* p = (Rgb*)&buffer[((y*width)+lo_x)<<2];
|
|
|
|
for ( unsigned int x = lo_x; x <= hi_x; x++, p++) {
|
|
if ( ( x == lo_x || x == hi_x || y == lo_y || y == hi_y ) || (!(x%density) && !(y%density) ) )
|
|
/* Fast, copies the entire pixel in a single pass */
|
|
*p = colour;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::Outline( Rgb colour, const Polygon &polygon ) {
|
|
if ( !(colours == ZM_COLOUR_GRAY8 || colours == ZM_COLOUR_RGB24 || colours == ZM_COLOUR_RGB32 ) ) {
|
|
Panic("Attempt to outline image with unexpected colours %d", colours);
|
|
}
|
|
|
|
/* Convert the colour's RGBA subpixel order into the image's subpixel order */
|
|
colour = rgb_convert(colour, subpixelorder);
|
|
|
|
size_t n_coords = polygon.GetVertices().size();
|
|
for (size_t j = 0, i = n_coords - 1; j < n_coords; i = j++) {
|
|
const Vector2 &p1 = polygon.GetVertices()[i];
|
|
const Vector2 &p2 = polygon.GetVertices()[j];
|
|
|
|
// The last pixel we can draw is width/height - 1. Clamp to that value.
|
|
int x1 = zm::clamp(p1.x_, 0, static_cast<int>(width - 1));
|
|
int x2 = zm::clamp(p2.x_, 0, static_cast<int>(width - 1));
|
|
int y1 = zm::clamp(p1.y_, 0, static_cast<int>(height - 1));
|
|
int y2 = zm::clamp(p2.y_, 0, static_cast<int>(height - 1));
|
|
|
|
double dx = x2 - x1;
|
|
double dy = y2 - y1;
|
|
|
|
double grad;
|
|
|
|
if ( fabs(dx) <= fabs(dy) ) {
|
|
if ( y1 != y2 )
|
|
grad = dx/dy;
|
|
else
|
|
grad = width;
|
|
|
|
double x;
|
|
int y, yinc = (y1<y2)?1:-1;
|
|
grad *= yinc;
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for ( x = x1, y = y1; y != y2; y += yinc, x += grad ) {
|
|
buffer[(y*width)+int(round(x))] = colour;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for ( x = x1, y = y1; y != y2; y += yinc, x += grad ) {
|
|
unsigned char *p = &buffer[colours*((y*width)+int(round(x)))];
|
|
RED_PTR_RGBA(p) = RED_VAL_RGBA(colour);
|
|
GREEN_PTR_RGBA(p) = GREEN_VAL_RGBA(colour);
|
|
BLUE_PTR_RGBA(p) = BLUE_VAL_RGBA(colour);
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
for ( x = x1, y = y1; y != y2; y += yinc, x += grad ) {
|
|
*(Rgb*)(buffer+(((y*width)+int(round(x)))<<2)) = colour;
|
|
}
|
|
}
|
|
} else {
|
|
//Debug( 9, "dx > dy" );
|
|
if ( x1 != x2 )
|
|
grad = dy/dx;
|
|
else
|
|
grad = height;
|
|
//Debug( 9, "grad: %.2lf", grad );
|
|
|
|
double y;
|
|
int x, xinc = (x1<x2)?1:-1;
|
|
grad *= xinc;
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
//Debug( 9, "x1:%d, x2:%d, y1:%d, y2:%d, gr:%.2lf", x1, x2, y1, y2, grad );
|
|
for ( y = y1, x = x1; x != x2; x += xinc, y += grad ) {
|
|
//Debug( 9, "x:%d, y:%.2f", x, y );
|
|
buffer[(int(round(y))*width)+x] = colour;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for ( y = y1, x = x1; x != x2; x += xinc, y += grad ) {
|
|
unsigned char *p = &buffer[colours*((int(round(y))*width)+x)];
|
|
RED_PTR_RGBA(p) = RED_VAL_RGBA(colour);
|
|
GREEN_PTR_RGBA(p) = GREEN_VAL_RGBA(colour);
|
|
BLUE_PTR_RGBA(p) = BLUE_VAL_RGBA(colour);
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
for ( y = y1, x = x1; x != x2; x += xinc, y += grad ) {
|
|
*(Rgb*)(buffer+(((int(round(y))*width)+x)<<2)) = colour;
|
|
}
|
|
}
|
|
}
|
|
} // end foreach coordinate in the polygon
|
|
}
|
|
|
|
// Polygon filling is based on the Scan-line Polygon filling algorithm
|
|
void Image::Fill(Rgb colour, int density, const Polygon &polygon) {
|
|
if (!(colours == ZM_COLOUR_GRAY8 || colours == ZM_COLOUR_RGB24 || colours == ZM_COLOUR_RGB32)) {
|
|
Panic("Attempt to fill image with unexpected colours %d", colours);
|
|
}
|
|
|
|
/* Convert the colour's RGBA subpixel order into the image's subpixel order */
|
|
colour = rgb_convert(colour, subpixelorder);
|
|
|
|
size_t n_coords = polygon.GetVertices().size();
|
|
|
|
std::vector<PolygonFill::Edge> global_edges;
|
|
global_edges.reserve(n_coords);
|
|
for (size_t j = 0, i = n_coords - 1; j < n_coords; i = j++) {
|
|
const Vector2 &p1 = polygon.GetVertices()[i];
|
|
const Vector2 &p2 = polygon.GetVertices()[j];
|
|
|
|
// Do not add horizontal edges to the global edge table.
|
|
if (p1.y_ == p2.y_)
|
|
continue;
|
|
|
|
Vector2 d = p2 - p1;
|
|
|
|
global_edges.emplace_back(std::min(p1.y_, p2.y_),
|
|
std::max(p1.y_, p2.y_),
|
|
p1.y_ < p2.y_ ? p1.x_ : p2.x_,
|
|
d.x_ / static_cast<double>(d.y_));
|
|
|
|
}
|
|
std::sort(global_edges.begin(), global_edges.end(), PolygonFill::Edge::CompareYX);
|
|
|
|
std::vector<PolygonFill::Edge> active_edges;
|
|
active_edges.reserve(global_edges.size());
|
|
|
|
int32 scan_line = global_edges[0].min_y;
|
|
while (!global_edges.empty() || !active_edges.empty()) {
|
|
// Deactivate edges with max_y < current scan line
|
|
for (auto it = active_edges.begin(); it != active_edges.end();) {
|
|
if (scan_line >= it->max_y) {
|
|
it = active_edges.erase(it);
|
|
} else {
|
|
it->min_x += it->_1_m;
|
|
++it;
|
|
}
|
|
}
|
|
|
|
// Activate edges with min_y == current scan line
|
|
for (auto it = global_edges.begin(); it != global_edges.end();) {
|
|
if (it->min_y == scan_line) {
|
|
active_edges.emplace_back(*it);
|
|
it = global_edges.erase(it);
|
|
} else {
|
|
++it;
|
|
}
|
|
}
|
|
|
|
// Not enough edges to perform the fill operation.
|
|
// Continue to next line.
|
|
if (active_edges.size() < 2) {
|
|
continue;
|
|
}
|
|
std::sort(active_edges.begin(), active_edges.end(), PolygonFill::Edge::CompareX);
|
|
|
|
if (!(scan_line % density)) {
|
|
for (auto it = active_edges.begin(); it < active_edges.end() - 1; ++it) {
|
|
int32 lo_x = static_cast<int32>(it->min_x);
|
|
int32 hi_x = static_cast<int32>(std::next(it)->min_x);
|
|
if (colours == ZM_COLOUR_GRAY8) {
|
|
uint8 *p = &buffer[(scan_line * width) + lo_x];
|
|
|
|
for (int32 x = lo_x; x <= hi_x; x++, p++) {
|
|
if (!(x % density)) {
|
|
*p = colour;
|
|
}
|
|
}
|
|
} else if (colours == ZM_COLOUR_RGB24) {
|
|
constexpr uint8 bytesPerPixel = 3;
|
|
uint8 *ptr = &buffer[((scan_line * width) + lo_x) * bytesPerPixel];
|
|
|
|
for (int32 x = lo_x; x <= hi_x; x++, ptr += bytesPerPixel) {
|
|
if (!(x % density)) {
|
|
RED_PTR_RGBA(ptr) = RED_VAL_RGBA(colour);
|
|
GREEN_PTR_RGBA(ptr) = GREEN_VAL_RGBA(colour);
|
|
BLUE_PTR_RGBA(ptr) = BLUE_VAL_RGBA(colour);
|
|
}
|
|
}
|
|
} else if (colours == ZM_COLOUR_RGB32) {
|
|
constexpr uint8 bytesPerPixel = 4;
|
|
Rgb *ptr = reinterpret_cast<Rgb *>(&buffer[((scan_line * width) + lo_x) * bytesPerPixel]);
|
|
|
|
for (int32 x = lo_x; x <= hi_x; x++, ptr++) {
|
|
if (!(x % density)) {
|
|
*ptr = colour;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
scan_line++;
|
|
}
|
|
}
|
|
|
|
void Image::Rotate(int angle) {
|
|
angle %= 360;
|
|
|
|
if ( !angle || angle%90 ) {
|
|
return;
|
|
}
|
|
unsigned int new_height = height;
|
|
unsigned int new_width = width;
|
|
uint8_t* rotate_buffer = AllocBuffer(size);
|
|
|
|
switch ( angle ) {
|
|
case 90 :
|
|
{
|
|
new_height = width;
|
|
new_width = height;
|
|
|
|
unsigned int line_bytes = new_width*colours;
|
|
unsigned char *s_ptr = buffer;
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for ( unsigned int i = new_width; i > 0; i-- ) {
|
|
unsigned char *d_ptr = rotate_buffer+(i-1);
|
|
for ( unsigned int j = new_height; j > 0; j-- ) {
|
|
*d_ptr = *s_ptr++;
|
|
d_ptr += line_bytes;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
Rgb* s_rptr = (Rgb*)s_ptr;
|
|
for ( unsigned int i = new_width; i; i-- ) {
|
|
Rgb* d_rptr = (Rgb*)(rotate_buffer+((i-1)<<2));
|
|
for ( unsigned int j = new_height; j; j-- ) {
|
|
*d_rptr = *s_rptr++;
|
|
d_rptr += new_width;
|
|
}
|
|
}
|
|
} else /* Assume RGB24 */ {
|
|
for ( unsigned int i = new_width; i; i-- ) {
|
|
unsigned char *d_ptr = rotate_buffer+((i-1)*3);
|
|
for ( unsigned int j = new_height; j; j-- ) {
|
|
*d_ptr = *s_ptr++;
|
|
*(d_ptr+1) = *s_ptr++;
|
|
*(d_ptr+2) = *s_ptr++;
|
|
d_ptr += line_bytes;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 180 :
|
|
{
|
|
unsigned char *s_ptr = buffer+size;
|
|
unsigned char *d_ptr = rotate_buffer;
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
while( s_ptr > buffer ) {
|
|
s_ptr--;
|
|
*d_ptr++ = *s_ptr;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
Rgb* s_rptr = (Rgb*)s_ptr;
|
|
Rgb* d_rptr = (Rgb*)d_ptr;
|
|
while( s_rptr > (Rgb*)buffer ) {
|
|
s_rptr--;
|
|
*d_rptr++ = *s_rptr;
|
|
}
|
|
} else /* Assume RGB24 */ {
|
|
while( s_ptr > buffer ) {
|
|
s_ptr -= 3;
|
|
*d_ptr++ = *s_ptr;
|
|
*d_ptr++ = *(s_ptr+1);
|
|
*d_ptr++ = *(s_ptr+2);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 270 :
|
|
{
|
|
new_height = width;
|
|
new_width = height;
|
|
|
|
unsigned int line_bytes = new_width*colours;
|
|
unsigned char *s_ptr = buffer+size;
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for ( unsigned int i = new_width; i > 0; i-- ) {
|
|
unsigned char *d_ptr = rotate_buffer+(i-1);
|
|
for ( unsigned int j = new_height; j > 0; j-- ) {
|
|
s_ptr--;
|
|
*d_ptr = *s_ptr;
|
|
d_ptr += line_bytes;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
Rgb* s_rptr = (Rgb*)s_ptr;
|
|
for ( unsigned int i = new_width; i > 0; i-- ) {
|
|
Rgb* d_rptr = (Rgb*)(rotate_buffer+((i-1)<<2));
|
|
for ( unsigned int j = new_height; j > 0; j-- ) {
|
|
s_rptr--;
|
|
*d_rptr = *s_rptr;
|
|
d_rptr += new_width;
|
|
}
|
|
}
|
|
} else /* Assume RGB24 */ {
|
|
for ( unsigned int i = new_width; i > 0; i-- ) {
|
|
unsigned char *d_ptr = rotate_buffer+((i-1)*3);
|
|
for ( unsigned int j = new_height; j > 0; j-- ) {
|
|
*(d_ptr+2) = *(--s_ptr);
|
|
*(d_ptr+1) = *(--s_ptr);
|
|
*d_ptr = *(--s_ptr);
|
|
d_ptr += line_bytes;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
AssignDirect(new_width, new_height, colours, subpixelorder, rotate_buffer, size, ZM_BUFTYPE_ZM);
|
|
} // void Image::Rotate(int angle)
|
|
|
|
/* RGB32 compatible: complete */
|
|
void Image::Flip( bool leftright ) {
|
|
uint8_t* flip_buffer = AllocBuffer(size);
|
|
|
|
unsigned int line_bytes = width*colours;
|
|
unsigned int line_bytes2 = 2*line_bytes;
|
|
if ( leftright ) {
|
|
// Horizontal flip, left to right
|
|
unsigned char *s_ptr = buffer+line_bytes;
|
|
unsigned char *d_ptr = flip_buffer;
|
|
unsigned char *max_d_ptr = flip_buffer + size;
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
while( d_ptr < max_d_ptr ) {
|
|
for ( unsigned int j = 0; j < width; j++ ) {
|
|
s_ptr--;
|
|
*d_ptr++ = *s_ptr;
|
|
}
|
|
s_ptr += line_bytes2;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
Rgb* s_rptr = (Rgb*)s_ptr;
|
|
Rgb* d_rptr = (Rgb*)flip_buffer;
|
|
Rgb* max_d_rptr = (Rgb*)max_d_ptr;
|
|
while( d_rptr < max_d_rptr ) {
|
|
for ( unsigned int j = 0; j < width; j++ ) {
|
|
s_rptr--;
|
|
*d_rptr++ = *s_rptr;
|
|
}
|
|
s_rptr += width * 2;
|
|
}
|
|
} else /* Assume RGB24 */ {
|
|
while( d_ptr < max_d_ptr ) {
|
|
for ( unsigned int j = 0; j < width; j++ ) {
|
|
s_ptr -= 3;
|
|
*d_ptr++ = *s_ptr;
|
|
*d_ptr++ = *(s_ptr+1);
|
|
*d_ptr++ = *(s_ptr+2);
|
|
}
|
|
s_ptr += line_bytes2;
|
|
}
|
|
}
|
|
} else {
|
|
// Vertical flip, top to bottom
|
|
unsigned char *s_ptr = buffer+(height*line_bytes);
|
|
unsigned char *d_ptr = flip_buffer;
|
|
|
|
while ( s_ptr > buffer ) {
|
|
s_ptr -= line_bytes;
|
|
memcpy(d_ptr, s_ptr, line_bytes);
|
|
d_ptr += line_bytes;
|
|
}
|
|
}
|
|
|
|
AssignDirect(width, height, colours, subpixelorder, flip_buffer, size, ZM_BUFTYPE_ZM);
|
|
}
|
|
|
|
void Image::Scale(unsigned int factor) {
|
|
if ( !factor ) {
|
|
Error("Bogus scale factor %d found", factor);
|
|
return;
|
|
}
|
|
if ( factor == ZM_SCALE_BASE ) {
|
|
return;
|
|
}
|
|
|
|
unsigned int new_width = (width*factor)/ZM_SCALE_BASE;
|
|
unsigned int new_height = (height*factor)/ZM_SCALE_BASE;
|
|
|
|
// Why larger than we need?
|
|
size_t scale_buffer_size = (new_width+1) * (new_height+1) * colours;
|
|
|
|
uint8_t* scale_buffer = AllocBuffer(scale_buffer_size);
|
|
|
|
if ( factor > ZM_SCALE_BASE ) {
|
|
unsigned char *pd = scale_buffer;
|
|
unsigned int wc = width*colours;
|
|
unsigned int nwc = new_width*colours;
|
|
unsigned int h_count = ZM_SCALE_BASE/2;
|
|
unsigned int last_h_index = 0;
|
|
unsigned int last_w_index = 0;
|
|
unsigned int h_index;
|
|
for ( unsigned int y = 0; y < height; y++ ) {
|
|
unsigned char *ps = &buffer[y*wc];
|
|
unsigned int w_count = ZM_SCALE_BASE/2;
|
|
unsigned int w_index;
|
|
last_w_index = 0;
|
|
for ( unsigned int x = 0; x < width; x++ ) {
|
|
w_count += factor;
|
|
w_index = w_count/ZM_SCALE_BASE;
|
|
for (unsigned int f = last_w_index; f < w_index; f++ ) {
|
|
for ( unsigned int c = 0; c < colours; c++ ) {
|
|
*pd++ = *(ps+c);
|
|
}
|
|
}
|
|
ps += colours;
|
|
last_w_index = w_index;
|
|
}
|
|
h_count += factor;
|
|
h_index = h_count/ZM_SCALE_BASE;
|
|
for ( unsigned int f = last_h_index+1; f < h_index; f++ ) {
|
|
memcpy(pd, pd-nwc, nwc);
|
|
pd += nwc;
|
|
}
|
|
last_h_index = h_index;
|
|
} // end foreach line
|
|
new_width = last_w_index;
|
|
new_height = last_h_index;
|
|
} else {
|
|
unsigned char *pd = scale_buffer;
|
|
unsigned int wc = width*colours;
|
|
unsigned int xstart = factor/2;
|
|
unsigned int ystart = factor/2;
|
|
unsigned int h_count = ystart;
|
|
unsigned int last_h_index = 0;
|
|
unsigned int last_w_index = 0;
|
|
unsigned int h_index;
|
|
for ( unsigned int y = 0; y < height; y++ ) {
|
|
h_count += factor;
|
|
h_index = h_count/ZM_SCALE_BASE;
|
|
if ( h_index > last_h_index ) {
|
|
unsigned int w_count = xstart;
|
|
unsigned int w_index;
|
|
last_w_index = 0;
|
|
|
|
unsigned char *ps = &buffer[y*wc];
|
|
for ( unsigned int x = 0; x < width; x++ ) {
|
|
w_count += factor;
|
|
w_index = w_count/ZM_SCALE_BASE;
|
|
|
|
if ( w_index > last_w_index ) {
|
|
for ( unsigned int c = 0; c < colours; c++ ) {
|
|
*pd++ = *ps++;
|
|
}
|
|
} else {
|
|
ps += colours;
|
|
}
|
|
last_w_index = w_index;
|
|
}
|
|
}
|
|
last_h_index = h_index;
|
|
}
|
|
new_width = last_w_index;
|
|
new_height = last_h_index;
|
|
} // end foreach line
|
|
AssignDirect(new_width, new_height, colours, subpixelorder, scale_buffer, scale_buffer_size, ZM_BUFTYPE_ZM);
|
|
}
|
|
|
|
void Image::Deinterlace_Discard() {
|
|
/* Simple deinterlacing. Copy the even lines into the odd lines */
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
const uint8_t *psrc;
|
|
uint8_t *pdest;
|
|
for (unsigned int y = 0; y < (unsigned int)height; y += 2) {
|
|
psrc = buffer + (y * width);
|
|
pdest = buffer + ((y+1) * width);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pdest++ = *psrc++;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
const uint8_t *psrc;
|
|
uint8_t *pdest;
|
|
for (unsigned int y = 0; y < (unsigned int)height; y += 2) {
|
|
psrc = buffer + ((y * width) * 3);
|
|
pdest = buffer + (((y+1) * width) * 3);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pdest++ = *psrc++;
|
|
*pdest++ = *psrc++;
|
|
*pdest++ = *psrc++;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
const Rgb *psrc;
|
|
Rgb *pdest;
|
|
for (unsigned int y = 0; y < (unsigned int)height; y += 2) {
|
|
psrc = (Rgb*)(buffer + ((y * width) << 2));
|
|
pdest = (Rgb*)(buffer + (((y+1) * width) << 2));
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pdest++ = *psrc++;
|
|
}
|
|
}
|
|
} else {
|
|
Error("Deinterlace called with unexpected colours: %d", colours);
|
|
}
|
|
}
|
|
|
|
void Image::Deinterlace_Linear() {
|
|
/* Simple deinterlacing. The odd lines are average of the line above and line below */
|
|
|
|
const uint8_t *pbelow, *pabove;
|
|
uint8_t *pcurrent;
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)(height-1); y += 2) {
|
|
pabove = buffer + ((y-1) * width);
|
|
pbelow = buffer + ((y+1) * width);
|
|
pcurrent = buffer + (y * width);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
}
|
|
}
|
|
/* Special case for the last line */
|
|
pcurrent = buffer + ((height-1) * width);
|
|
pabove = buffer + ((height-2) * width);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pcurrent++ = *pabove++;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)(height-1); y += 2) {
|
|
pabove = buffer + (((y-1) * width) * 3);
|
|
pbelow = buffer + (((y+1) * width) * 3);
|
|
pcurrent = buffer + ((y * width) * 3);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
}
|
|
}
|
|
/* Special case for the last line */
|
|
pcurrent = buffer + (((height-1) * width) * 3);
|
|
pabove = buffer + (((height-2) * width) * 3);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pcurrent++ = *pabove++;
|
|
*pcurrent++ = *pabove++;
|
|
*pcurrent++ = *pabove++;
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)(height-1); y += 2) {
|
|
pabove = buffer + (((y-1) * width) << 2);
|
|
pbelow = buffer + (((y+1) * width) << 2);
|
|
pcurrent = buffer + ((y * width) << 2);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
*pcurrent++ = (*pabove++ + *pbelow++) >> 1;
|
|
}
|
|
}
|
|
/* Special case for the last line */
|
|
pcurrent = buffer + (((height-1) * width) << 2);
|
|
pabove = buffer + (((height-2) * width) << 2);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pcurrent++ = *pabove++;
|
|
*pcurrent++ = *pabove++;
|
|
*pcurrent++ = *pabove++;
|
|
*pcurrent++ = *pabove++;
|
|
}
|
|
} else {
|
|
Error("Deinterlace called with unexpected colours: %d", colours);
|
|
}
|
|
|
|
}
|
|
|
|
void Image::Deinterlace_Blend() {
|
|
/* Simple deinterlacing. Blend the fields together. 50% blend */
|
|
|
|
uint8_t *pabove, *pcurrent;
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)height; y += 2) {
|
|
pabove = buffer + ((y-1) * width);
|
|
pcurrent = buffer + (y * width);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)height; y += 2) {
|
|
pabove = buffer + (((y-1) * width) * 3);
|
|
pcurrent = buffer + ((y * width) * 3);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)height; y += 2) {
|
|
pabove = buffer + (((y-1) * width) << 2);
|
|
pcurrent = buffer + ((y * width) << 2);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
*pabove = (*pabove + *pcurrent) >> 1;
|
|
*pcurrent++ = *pabove++;
|
|
}
|
|
}
|
|
} else {
|
|
Error("Deinterlace called with unexpected colours: %d", colours);
|
|
}
|
|
|
|
}
|
|
|
|
void Image::Deinterlace_Blend_CustomRatio(int divider) {
|
|
/* Simple deinterlacing. Blend the fields together at a custom ratio. */
|
|
/* 1 = 50% blending */
|
|
/* 2 = 25% blending */
|
|
/* 3 = 12.% blending */
|
|
/* 4 = 6.25% blending */
|
|
|
|
uint8_t *pabove, *pcurrent;
|
|
uint8_t subpix1, subpix2;
|
|
|
|
if ( divider < 1 || divider > 4 ) {
|
|
Error("Deinterlace called with invalid blend ratio");
|
|
}
|
|
|
|
if ( colours == ZM_COLOUR_GRAY8 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)height; y += 2) {
|
|
pabove = buffer + ((y-1) * width);
|
|
pcurrent = buffer + (y * width);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB24 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)height; y += 2) {
|
|
pabove = buffer + (((y-1) * width) * 3);
|
|
pcurrent = buffer + ((y * width) * 3);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
}
|
|
}
|
|
} else if ( colours == ZM_COLOUR_RGB32 ) {
|
|
for (unsigned int y = 1; y < (unsigned int)height; y += 2) {
|
|
pabove = buffer + (((y-1) * width) << 2);
|
|
pcurrent = buffer + ((y * width) << 2);
|
|
for (unsigned int x = 0; x < (unsigned int)width; x++) {
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
subpix1 = ((*pabove - *pcurrent)>>divider) + *pcurrent;
|
|
subpix2 = ((*pcurrent - *pabove)>>divider) + *pabove;
|
|
*pcurrent++ = subpix1;
|
|
*pabove++ = subpix2;
|
|
}
|
|
}
|
|
} else {
|
|
Error("Deinterlace called with unexpected colours: %d", colours);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
void Image::Deinterlace_4Field(const Image* next_image, unsigned int threshold)
|
|
{
|
|
if ( !(width == next_image->width && height == next_image->height && colours == next_image->colours && subpixelorder == next_image->subpixelorder) )
|
|
{
|
|
Panic( "Attempt to deinterlace different sized images, expected %dx%dx%d %d, got %dx%dx%d %d", width, height, colours, subpixelorder, next_image->width, next_image->height, next_image->colours, next_image->subpixelorder);
|
|
}
|
|
|
|
switch(colours) {
|
|
case ZM_COLOUR_RGB24:
|
|
{
|
|
if(subpixelorder == ZM_SUBPIX_ORDER_BGR) {
|
|
/* BGR subpixel order */
|
|
std_deinterlace_4field_bgr(buffer, next_image->buffer, threshold, width, height);
|
|
} else {
|
|
/* Assume RGB subpixel order */
|
|
std_deinterlace_4field_rgb(buffer, next_image->buffer, threshold, width, height);
|
|
}
|
|
break;
|
|
}
|
|
case ZM_COLOUR_RGB32:
|
|
{
|
|
if(subpixelorder == ZM_SUBPIX_ORDER_ARGB) {
|
|
/* ARGB subpixel order */
|
|
(*fptr_deinterlace_4field_argb)(buffer, next_image->buffer, threshold, width, height);
|
|
} else if(subpixelorder == ZM_SUBPIX_ORDER_ABGR) {
|
|
/* ABGR subpixel order */
|
|
(*fptr_deinterlace_4field_abgr)(buffer, next_image->buffer, threshold, width, height);
|
|
} else if(subpixelorder == ZM_SUBPIX_ORDER_BGRA) {
|
|
/* BGRA subpixel order */
|
|
(*fptr_deinterlace_4field_bgra)(buffer, next_image->buffer, threshold, width, height);
|
|
} else {
|
|
/* Assume RGBA subpixel order */
|
|
(*fptr_deinterlace_4field_rgba)(buffer, next_image->buffer, threshold, width, height);
|
|
}
|
|
break;
|
|
}
|
|
case ZM_COLOUR_GRAY8:
|
|
(*fptr_deinterlace_4field_gray8)(buffer, next_image->buffer, threshold, width, height);
|
|
break;
|
|
default:
|
|
Panic("Deinterlace_4Field called with unexpected colours: %d",colours);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/************************************************* BLEND FUNCTIONS *************************************************/
|
|
|
|
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("sse2")))
|
|
#endif
|
|
void sse2_fastblend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
static uint32_t divider = 0;
|
|
static uint32_t clearmask = 0;
|
|
static double current_blendpercent = 0.0;
|
|
|
|
if ( current_blendpercent != blendpercent ) {
|
|
/* Attempt to match the blending percent to one of the possible values */
|
|
if ( blendpercent < 2.34375 ) {
|
|
// 1.5625% blending
|
|
divider = 6;
|
|
clearmask = 0x03030303;
|
|
} else if ( blendpercent < 4.6875 ) {
|
|
// 3.125% blending
|
|
divider = 5;
|
|
clearmask = 0x07070707;
|
|
} else if ( blendpercent < 9.375 ) {
|
|
// 6.25% blending
|
|
divider = 4;
|
|
clearmask = 0x0F0F0F0F;
|
|
} else if ( blendpercent < 18.75 ) {
|
|
// 12.5% blending
|
|
divider = 3;
|
|
clearmask = 0x1F1F1F1F;
|
|
} else if ( blendpercent < 37.5 ) {
|
|
// 25% blending
|
|
divider = 2;
|
|
clearmask = 0x3F3F3F3F;
|
|
} else {
|
|
// 50% blending
|
|
divider = 1;
|
|
clearmask = 0x7F7F7F7F;
|
|
}
|
|
current_blendpercent = blendpercent;
|
|
}
|
|
|
|
__asm__ __volatile__(
|
|
"movd %4, %%xmm3\n\t"
|
|
"movd %5, %%xmm4\n\t"
|
|
"pshufd $0x0, %%xmm3, %%xmm3\n\t"
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x10, %1\n\t"
|
|
"sub $0x10, %2\n\t"
|
|
"sse2_fastblend_iter:\n\t"
|
|
"movdqa (%0,%3),%%xmm0\n\t"
|
|
"movdqa %%xmm0,%%xmm2\n\t"
|
|
"movdqa (%1,%3),%%xmm1\n\t"
|
|
"psrlq %%xmm4,%%xmm0\n\t"
|
|
"psrlq %%xmm4,%%xmm1\n\t"
|
|
"pand %%xmm3,%%xmm1\n\t"
|
|
"pand %%xmm3,%%xmm0\n\t"
|
|
"psubb %%xmm0,%%xmm1\n\t"
|
|
"paddb %%xmm2,%%xmm1\n\t"
|
|
"movntdq %%xmm1,(%2,%3)\n\t"
|
|
"sub $0x10, %3\n\t"
|
|
"jnz sse2_fastblend_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count), "m" (clearmask), "m" (divider)
|
|
: "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
__attribute__((noinline)) void std_fastblend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent) {
|
|
static int divider = 0;
|
|
static double current_blendpercent = 0.0;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
if ( current_blendpercent != blendpercent ) {
|
|
/* Attempt to match the blending percent to one of the possible values */
|
|
if ( blendpercent < 2.34375 ) {
|
|
// 1.5625% blending
|
|
divider = 6;
|
|
} else if ( blendpercent < 4.6875 ) {
|
|
// 3.125% blending
|
|
divider = 5;
|
|
} else if ( blendpercent < 9.375 ) {
|
|
// 6.25% blending
|
|
divider = 4;
|
|
} else if ( blendpercent < 18.75 ) {
|
|
// 12.5% blending
|
|
divider = 3;
|
|
} else if ( blendpercent < 37.5 ) {
|
|
// 25% blending
|
|
divider = 2;
|
|
} else {
|
|
// 50% blending
|
|
divider = 1;
|
|
}
|
|
current_blendpercent = blendpercent;
|
|
}
|
|
|
|
while ( result < max_ptr ) {
|
|
result[0] = ((col2[0] - col1[0])>>divider) + col1[0];
|
|
result[1] = ((col2[1] - col1[1])>>divider) + col1[1];
|
|
result[2] = ((col2[2] - col1[2])>>divider) + col1[2];
|
|
result[3] = ((col2[3] - col1[3])>>divider) + col1[3];
|
|
result[4] = ((col2[4] - col1[4])>>divider) + col1[4];
|
|
result[5] = ((col2[5] - col1[5])>>divider) + col1[5];
|
|
result[6] = ((col2[6] - col1[6])>>divider) + col1[6];
|
|
result[7] = ((col2[7] - col1[7])>>divider) + col1[7];
|
|
result[8] = ((col2[8] - col1[8])>>divider) + col1[8];
|
|
result[9] = ((col2[9] - col1[9])>>divider) + col1[9];
|
|
result[10] = ((col2[10] - col1[10])>>divider) + col1[10];
|
|
result[11] = ((col2[11] - col1[11])>>divider) + col1[11];
|
|
result[12] = ((col2[12] - col1[12])>>divider) + col1[12];
|
|
result[13] = ((col2[13] - col1[13])>>divider) + col1[13];
|
|
result[14] = ((col2[14] - col1[14])>>divider) + col1[14];
|
|
result[15] = ((col2[15] - col1[15])>>divider) + col1[15];
|
|
|
|
col1 += 16;
|
|
col2 += 16;
|
|
result += 16;
|
|
}
|
|
}
|
|
|
|
/* FastBlend Neon for AArch32 */
|
|
#if (defined(__arm__) && defined(__ARM_PCS_VFP) && !defined(ZM_STRIP_NEON))
|
|
__attribute__((noinline,__target__("fpu=neon")))
|
|
#endif
|
|
void neon32_armv7_fastblend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent) {
|
|
#if (defined(__arm__) && defined(__ARM_PCS_VFP) && !defined(ZM_STRIP_NEON))
|
|
static int8_t divider = 0;
|
|
static double current_blendpercent = 0.0;
|
|
|
|
if(current_blendpercent != blendpercent) {
|
|
/* Attempt to match the blending percent to one of the possible values */
|
|
if(blendpercent < 2.34375) {
|
|
// 1.5625% blending
|
|
divider = 6;
|
|
} else if(blendpercent >= 2.34375 && blendpercent < 4.6875) {
|
|
// 3.125% blending
|
|
divider = 5;
|
|
} else if(blendpercent >= 4.6875 && blendpercent < 9.375) {
|
|
// 6.25% blending
|
|
divider = 4;
|
|
} else if(blendpercent >= 9.375 && blendpercent < 18.75) {
|
|
// 12.5% blending
|
|
divider = 3;
|
|
} else if(blendpercent >= 18.75 && blendpercent < 37.5) {
|
|
// 25% blending
|
|
divider = 2;
|
|
} else if(blendpercent >= 37.5) {
|
|
// 50% blending
|
|
divider = 1;
|
|
}
|
|
// We only have instruction to shift left by a variable, going negative shifts right :)
|
|
divider *= -1;
|
|
current_blendpercent = blendpercent;
|
|
}
|
|
|
|
/* Q0(D0,D1) = col1+0 */
|
|
/* Q1(D2,D3) = col1+16 */
|
|
/* Q2(D4,D5) = col1+32 */
|
|
/* Q3(D6,D7) = col1+48 */
|
|
/* Q4(D8,D9) = col2+0 */
|
|
/* Q5(D10,D11) = col2+16 */
|
|
/* Q6(D12,D13) = col2+32 */
|
|
/* Q7(D14,D15) = col2+48 */
|
|
/* Q8(D16,D17) = col1tmp+0 */
|
|
/* Q9(D18,D19) = col1tmp+16 */
|
|
/* Q10(D20,D21) = col1tmp+32 */
|
|
/* Q11(D22,D23) = col1tmp+48 */
|
|
/* Q12(D24,D25) = divider */
|
|
|
|
__asm__ __volatile__ (
|
|
"mov r12, %4\n\t"
|
|
"vdup.8 q12, r12\n\t"
|
|
"neon32_armv7_fastblend_iter%=:\n\t"
|
|
"vldm %0!, {q0,q1,q2,q3}\n\t"
|
|
"vldm %1!, {q4,q5,q6,q7}\n\t"
|
|
"pld [%0, #256]\n\t"
|
|
"pld [%1, #256]\n\t"
|
|
"vrshl.u8 q8, q0, q12\n\t"
|
|
"vrshl.u8 q9, q1, q12\n\t"
|
|
"vrshl.u8 q10, q2, q12\n\t"
|
|
"vrshl.u8 q11, q3, q12\n\t"
|
|
"vrshl.u8 q4, q4, q12\n\t"
|
|
"vrshl.u8 q5, q5, q12\n\t"
|
|
"vrshl.u8 q6, q6, q12\n\t"
|
|
"vrshl.u8 q7, q7, q12\n\t"
|
|
"vsub.i8 q4, q4, q8\n\t"
|
|
"vsub.i8 q5, q5, q9\n\t"
|
|
"vsub.i8 q6, q6, q10\n\t"
|
|
"vsub.i8 q7, q7, q11\n\t"
|
|
"vadd.i8 q4, q4, q0\n\t"
|
|
"vadd.i8 q5, q5, q1\n\t"
|
|
"vadd.i8 q6, q6, q2\n\t"
|
|
"vadd.i8 q7, q7, q3\n\t"
|
|
"vstm %2!, {q4,q5,q6,q7}\n\t"
|
|
"subs %3, %3, #64\n\t"
|
|
"bne neon32_armv7_fastblend_iter%=\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count), "r" (divider)
|
|
: "%r12", "%q0", "%q1", "%q2", "%q3", "%q4", "%q5", "%q6", "%q7", "%q8", "%q9", "%q10", "%q11", "%q12", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("Neon function called on a non-ARM platform or Neon code is absent");
|
|
#endif
|
|
}
|
|
|
|
__attribute__((noinline)) void neon64_armv8_fastblend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent) {
|
|
#if (defined(__aarch64__) && !defined(ZM_STRIP_NEON))
|
|
static int8_t divider = 0;
|
|
static double current_blendpercent = 0.0;
|
|
|
|
if(current_blendpercent != blendpercent) {
|
|
/* Attempt to match the blending percent to one of the possible values */
|
|
if(blendpercent < 2.34375) {
|
|
// 1.5625% blending
|
|
divider = 6;
|
|
} else if(blendpercent >= 2.34375 && blendpercent < 4.6875) {
|
|
// 3.125% blending
|
|
divider = 5;
|
|
} else if(blendpercent >= 4.6875 && blendpercent < 9.375) {
|
|
// 6.25% blending
|
|
divider = 4;
|
|
} else if(blendpercent >= 9.375 && blendpercent < 18.75) {
|
|
// 12.5% blending
|
|
divider = 3;
|
|
} else if(blendpercent >= 18.75 && blendpercent < 37.5) {
|
|
// 25% blending
|
|
divider = 2;
|
|
} else if(blendpercent >= 37.5) {
|
|
// 50% blending
|
|
divider = 1;
|
|
}
|
|
// We only have instruction to shift left by a variable, going negative shifts right :)
|
|
divider *= -1;
|
|
current_blendpercent = blendpercent;
|
|
}
|
|
|
|
/* V16 = col1+0 */
|
|
/* V17 = col1+16 */
|
|
/* V18 = col1+32 */
|
|
/* V19 = col1+48 */
|
|
/* V20 = col2+0 */
|
|
/* V21 = col2+16 */
|
|
/* V22 = col2+32 */
|
|
/* V23 = col2+48 */
|
|
/* V24 = col1tmp+0 */
|
|
/* V25 = col1tmp+16 */
|
|
/* V26 = col1tmp+32 */
|
|
/* V27 = col1tmp+48 */
|
|
/* V28 = divider */
|
|
|
|
__asm__ __volatile__ (
|
|
"mov x12, %4\n\t"
|
|
"dup v28.16b, w12\n\t"
|
|
"neon64_armv8_fastblend_iter%=:\n\t"
|
|
"ldp q16, q17, [%0], #32\n\t"
|
|
"ldp q18, q19, [%0], #32\n\t"
|
|
"ldp q20, q21, [%1], #32\n\t"
|
|
"ldp q22, q23, [%1], #32\n\t"
|
|
"prfm pldl1keep, [%0, #256]\n\t"
|
|
"prfm pldl1keep, [%1, #256]\n\t"
|
|
"urshl v24.16b, v16.16b, v28.16b\n\t"
|
|
"urshl v25.16b, v17.16b, v28.16b\n\t"
|
|
"urshl v26.16b, v18.16b, v28.16b\n\t"
|
|
"urshl v27.16b, v19.16b, v28.16b\n\t"
|
|
"urshl v20.16b, v20.16b, v28.16b\n\t"
|
|
"urshl v21.16b, v21.16b, v28.16b\n\t"
|
|
"urshl v22.16b, v22.16b, v28.16b\n\t"
|
|
"urshl v23.16b, v23.16b, v28.16b\n\t"
|
|
"sub v20.16b, v20.16b, v24.16b\n\t"
|
|
"sub v21.16b, v21.16b, v25.16b\n\t"
|
|
"sub v22.16b, v22.16b, v26.16b\n\t"
|
|
"sub v23.16b, v23.16b, v27.16b\n\t"
|
|
"add v20.16b, v20.16b, v16.16b\n\t"
|
|
"add v21.16b, v21.16b, v17.16b\n\t"
|
|
"add v22.16b, v22.16b, v18.16b\n\t"
|
|
"add v23.16b, v23.16b, v19.16b\n\t"
|
|
"stp q20, q21, [%2], #32\n\t"
|
|
"stp q22, q23, [%2], #32\n\t"
|
|
"subs %3, %3, #64\n\t"
|
|
"bne neon64_armv8_fastblend_iter%=\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count), "r" (divider)
|
|
: "%x12", "%v16", "%v17", "%v18", "%v19", "%v20", "%v21", "%v22", "%v23", "%v24", "%v25", "%v26", "%v27", "%v28", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("Neon function called on a non-ARM platform or Neon code is absent");
|
|
#endif
|
|
}
|
|
|
|
__attribute__((noinline)) void std_blend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent) {
|
|
double divide = blendpercent / 100.0;
|
|
double opacity = 1.0 - divide;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while ( result < max_ptr ) {
|
|
*result++ = (*col1++ * opacity) + (*col2++ * divide);
|
|
}
|
|
}
|
|
|
|
/************************************************* DELTA FUNCTIONS *************************************************/
|
|
|
|
/* Grayscale */
|
|
__attribute__((noinline)) void fast_delta8_gray8(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (16 grayscale pixels) at a time */
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
result[0] = abs(col1[0] - col2[0]);
|
|
result[1] = abs(col1[1] - col2[1]);
|
|
result[2] = abs(col1[2] - col2[2]);
|
|
result[3] = abs(col1[3] - col2[3]);
|
|
result[4] = abs(col1[4] - col2[4]);
|
|
result[5] = abs(col1[5] - col2[5]);
|
|
result[6] = abs(col1[6] - col2[6]);
|
|
result[7] = abs(col1[7] - col2[7]);
|
|
result[8] = abs(col1[8] - col2[8]);
|
|
result[9] = abs(col1[9] - col2[9]);
|
|
result[10] = abs(col1[10] - col2[10]);
|
|
result[11] = abs(col1[11] - col2[11]);
|
|
result[12] = abs(col1[12] - col2[12]);
|
|
result[13] = abs(col1[13] - col2[13]);
|
|
result[14] = abs(col1[14] - col2[14]);
|
|
result[15] = abs(col1[15] - col2[15]);
|
|
|
|
col1 += 16;
|
|
col2 += 16;
|
|
result += 16;
|
|
}
|
|
}
|
|
|
|
__attribute__((noinline)) void std_delta8_gray8(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
result[0] = abs(col1[0] - col2[0]);
|
|
|
|
col1 += 1;
|
|
col2 += 1;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGB24: RGB */
|
|
__attribute__((noinline)) void fast_delta8_rgb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 12 bytes (4 rgb24 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
r = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
b = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[3] - col2[3]);
|
|
g = abs(col1[4] - col2[4]);
|
|
b = abs(col1[5] - col2[5]);
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[6] - col2[6]);
|
|
g = abs(col1[7] - col2[7]);
|
|
b = abs(col1[8] - col2[8]);
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[9] - col2[9]);
|
|
g = abs(col1[10] - col2[10]);
|
|
b = abs(col1[11] - col2[11]);
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 12;
|
|
col2 += 12;
|
|
result += 4;
|
|
}
|
|
}
|
|
|
|
__attribute__((noinline)) void std_delta8_rgb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 12 bytes (4 rgb24 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
r = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
b = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 3;
|
|
col2 += 3;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGB24: BGR */
|
|
__attribute__((noinline)) void fast_delta8_bgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 12 bytes (4 rgb24 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
b = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
r = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[3] - col2[3]);
|
|
g = abs(col1[4] - col2[4]);
|
|
r = abs(col1[5] - col2[5]);
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[6] - col2[6]);
|
|
g = abs(col1[7] - col2[7]);
|
|
r = abs(col1[8] - col2[8]);
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[9] - col2[9]);
|
|
g = abs(col1[10] - col2[10]);
|
|
r = abs(col1[11] - col2[11]);
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 12;
|
|
col2 += 12;
|
|
result += 4;
|
|
}
|
|
}
|
|
|
|
__attribute__((noinline)) void std_delta8_bgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 12 bytes (4 rgb24 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
b = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
r = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 3;
|
|
col2 += 3;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGB32: RGBA */
|
|
__attribute__((noinline)) void fast_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (4 rgb32 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
r = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
b = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[4] - col2[4]);
|
|
g = abs(col1[5] - col2[5]);
|
|
b = abs(col1[6] - col2[6]);
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[8] - col2[8]);
|
|
g = abs(col1[9] - col2[9]);
|
|
b = abs(col1[10] - col2[10]);
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[12] - col2[12]);
|
|
g = abs(col1[13] - col2[13]);
|
|
b = abs(col1[14] - col2[14]);
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
col2 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
|
|
__attribute__((noinline)) void std_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (4 rgb32 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
r = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
b = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
col2 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGB32: BGRA */
|
|
__attribute__((noinline)) void fast_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (4 rgb32 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
b = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
r = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[4] - col2[4]);
|
|
g = abs(col1[5] - col2[5]);
|
|
r = abs(col1[6] - col2[6]);
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[8] - col2[8]);
|
|
g = abs(col1[9] - col2[9]);
|
|
r = abs(col1[10] - col2[10]);
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[12] - col2[12]);
|
|
g = abs(col1[13] - col2[13]);
|
|
r = abs(col1[14] - col2[14]);
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
col2 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (4 rgb32 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
b = abs(col1[0] - col2[0]);
|
|
g = abs(col1[1] - col2[1]);
|
|
r = abs(col1[2] - col2[2]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
col2 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGB32: ARGB */
|
|
__attribute__((noinline)) void fast_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (4 rgb32 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
r = abs(col1[1] - col2[1]);
|
|
g = abs(col1[2] - col2[2]);
|
|
b = abs(col1[3] - col2[3]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[5] - col2[5]);
|
|
g = abs(col1[6] - col2[6]);
|
|
b = abs(col1[7] - col2[7]);
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[9] - col2[9]);
|
|
g = abs(col1[10] - col2[10]);
|
|
b = abs(col1[11] - col2[11]);
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(col1[13] - col2[13]);
|
|
g = abs(col1[14] - col2[14]);
|
|
b = abs(col1[15] - col2[15]);
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
col2 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
|
|
__attribute__((noinline)) void std_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (4 rgb32 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
r = abs(col1[1] - col2[1]);
|
|
g = abs(col1[2] - col2[2]);
|
|
b = abs(col1[3] - col2[3]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
col2 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGB32: ABGR */
|
|
__attribute__((noinline)) void fast_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
/* Loop unrolling is used to work on 16 bytes (4 rgb32 pixels) at a time */
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
b = abs(col1[1] - col2[1]);
|
|
g = abs(col1[2] - col2[2]);
|
|
r = abs(col1[3] - col2[3]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[5] - col2[5]);
|
|
g = abs(col1[6] - col2[6]);
|
|
r = abs(col1[7] - col2[7]);
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[9] - col2[9]);
|
|
g = abs(col1[10] - col2[10]);
|
|
r = abs(col1[11] - col2[11]);
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(col1[13] - col2[13]);
|
|
g = abs(col1[14] - col2[14]);
|
|
r = abs(col1[15] - col2[15]);
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
col2 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while (result < max_ptr) {
|
|
b = abs(col1[1] - col2[1]);
|
|
g = abs(col1[2] - col2[2]);
|
|
r = abs(col1[3] - col2[3]);
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
col2 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* Grayscale Neon for AArch32 */
|
|
#if (defined(__arm__) && defined(__ARM_PCS_VFP) && !defined(ZM_STRIP_NEON))
|
|
__attribute__((noinline,__target__("fpu=neon")))
|
|
#endif
|
|
void neon32_armv7_delta8_gray8(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
#if (defined(__arm__) && defined(__ARM_PCS_VFP) && !defined(ZM_STRIP_NEON))
|
|
|
|
/* Q0(D0,D1) = col1+0 */
|
|
/* Q1(D2,D3) = col1+16 */
|
|
/* Q2(D4,D5) = col1+32 */
|
|
/* Q3(D6,D7) = col1+48 */
|
|
/* Q4(D8,D9) = col2+0 */
|
|
/* Q5(D10,D11) = col2+16 */
|
|
/* Q6(D12,D13) = col2+32 */
|
|
/* Q7(D14,D15) = col2+48 */
|
|
|
|
__asm__ __volatile__ (
|
|
"neon32_armv7_delta8_gray8_iter%=:\n\t"
|
|
"vldm %0!, {q0,q1,q2,q3}\n\t"
|
|
"vldm %1!, {q4,q5,q6,q7}\n\t"
|
|
"pld [%0, #512]\n\t"
|
|
"pld [%1, #512]\n\t"
|
|
"vabd.u8 q0, q0, q4\n\t"
|
|
"vabd.u8 q1, q1, q5\n\t"
|
|
"vabd.u8 q2, q2, q6\n\t"
|
|
"vabd.u8 q3, q3, q7\n\t"
|
|
"vstm %2!, {q0,q1,q2,q3}\n\t"
|
|
"subs %3, %3, #64\n\t"
|
|
"bne neon32_armv7_delta8_gray8_iter%=\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count)
|
|
: "%q0", "%q1", "%q2", "%q3", "%q4", "%q5", "%q6", "%q7", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("Neon function called on a non-ARM platform or Neon code is absent");
|
|
#endif
|
|
}
|
|
|
|
/* Grayscale Neon for AArch64 */
|
|
__attribute__((noinline)) void neon64_armv8_delta8_gray8(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
#if (defined(__aarch64__) && !defined(ZM_STRIP_NEON))
|
|
|
|
/* V16 = col1+0 */
|
|
/* V17 = col1+16 */
|
|
/* V18 = col1+32 */
|
|
/* V19 = col1+48 */
|
|
/* V20 = col2+0 */
|
|
/* V21 = col2+16 */
|
|
/* V22 = col2+32 */
|
|
/* V23 = col2+48 */
|
|
|
|
__asm__ __volatile__ (
|
|
"neon64_armv8_delta8_gray8_iter%=:\n\t"
|
|
"ldp q16, q17, [%0], #32\n\t"
|
|
"ldp q18, q19, [%0], #32\n\t"
|
|
"ldp q20, q21, [%1], #32\n\t"
|
|
"ldp q22, q23, [%1], #32\n\t"
|
|
"prfm pldl1keep, [%0, #512]\n\t"
|
|
"prfm pldl1keep, [%1, #512]\n\t"
|
|
"uabd v16.16b, v16.16b, v20.16b\n\t"
|
|
"uabd v17.16b, v17.16b, v21.16b\n\t"
|
|
"uabd v18.16b, v18.16b, v22.16b\n\t"
|
|
"uabd v19.16b, v19.16b, v23.16b\n\t"
|
|
"stp q16, q17, [%2], #32\n\t"
|
|
"stp q18, q19, [%2], #32\n\t"
|
|
"subs %3, %3, #64\n\t"
|
|
"bne neon64_armv8_delta8_gray8_iter%=\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count)
|
|
: "%v16", "%v17", "%v18", "%v19", "%v20", "%v21", "%v22", "%v23", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("Neon function called on a non-ARM platform or Neon code is absent");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32 Neon for AArch32 */
|
|
#if (defined(__arm__) && defined(__ARM_PCS_VFP) && !defined(ZM_STRIP_NEON))
|
|
__attribute__((noinline,__target__("fpu=neon")))
|
|
#endif
|
|
void neon32_armv7_delta8_rgb32(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, uint32_t multiplier) {
|
|
#if (defined(__arm__) && defined(__ARM_PCS_VFP) && !defined(ZM_STRIP_NEON))
|
|
|
|
/* Q0(D0,D1) = col1+0 */
|
|
/* Q1(D2,D3) = col1+16 */
|
|
/* Q2(D4,D5) = col1+32 */
|
|
/* Q3(D6,D7) = col1+48 */
|
|
/* Q4(D8,D9) = col2+0 */
|
|
/* Q5(D10,D11) = col2+16 */
|
|
/* Q6(D12,D13) = col2+32 */
|
|
/* Q7(D14,D15) = col2+48 */
|
|
/* Q8(D16,D17) = multiplier */
|
|
|
|
__asm__ __volatile__ (
|
|
"mov r12, %4\n\t"
|
|
"vdup.32 q8, r12\n\t"
|
|
"neon32_armv7_delta8_rgb32_iter%=:\n\t"
|
|
"vldm %0!, {q0,q1,q2,q3}\n\t"
|
|
"vldm %1!, {q4,q5,q6,q7}\n\t"
|
|
"pld [%0, #256]\n\t"
|
|
"pld [%1, #256]\n\t"
|
|
"vabd.u8 q0, q0, q4\n\t"
|
|
"vabd.u8 q1, q1, q5\n\t"
|
|
"vabd.u8 q2, q2, q6\n\t"
|
|
"vabd.u8 q3, q3, q7\n\t"
|
|
"vrshr.u8 q0, q0, #3\n\t"
|
|
"vrshr.u8 q1, q1, #3\n\t"
|
|
"vrshr.u8 q2, q2, #3\n\t"
|
|
"vrshr.u8 q3, q3, #3\n\t"
|
|
"vmul.i8 q0, q0, q8\n\t"
|
|
"vmul.i8 q1, q1, q8\n\t"
|
|
"vmul.i8 q2, q2, q8\n\t"
|
|
"vmul.i8 q3, q3, q8\n\t"
|
|
"vpadd.i8 d0, d0, d1\n\t"
|
|
"vpadd.i8 d2, d2, d3\n\t"
|
|
"vpadd.i8 d4, d4, d5\n\t"
|
|
"vpadd.i8 d6, d6, d7\n\t"
|
|
"vpadd.i8 d0, d0, d0\n\t"
|
|
"vpadd.i8 d1, d2, d2\n\t"
|
|
"vpadd.i8 d2, d4, d4\n\t"
|
|
"vpadd.i8 d3, d6, d6\n\t"
|
|
"vst4.32 {d0[0],d1[0],d2[0],d3[0]}, [%2]!\n\t"
|
|
"subs %3, %3, #16\n\t"
|
|
"bne neon32_armv7_delta8_rgb32_iter%=\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count), "r" (multiplier)
|
|
: "%r12", "%q0", "%q1", "%q2", "%q3", "%q4", "%q5", "%q6", "%q7", "%q8", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("Neon function called on a non-ARM platform or Neon code is absent");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32 Neon for AArch64 */
|
|
__attribute__((noinline)) void neon64_armv8_delta8_rgb32(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, uint32_t multiplier) {
|
|
#if (defined(__aarch64__) && !defined(ZM_STRIP_NEON))
|
|
|
|
/* V16 = col1+0 */
|
|
/* V17 = col1+16 */
|
|
/* V18 = col1+32 */
|
|
/* V19 = col1+48 */
|
|
/* V20 = col2+0 */
|
|
/* V21 = col2+16 */
|
|
/* V22 = col2+32 */
|
|
/* V23 = col2+48 */
|
|
/* V24 = multiplier */
|
|
|
|
__asm__ __volatile__ (
|
|
"mov x12, %4\n\t"
|
|
"dup v24.4s, w12\n\t"
|
|
"neon64_armv8_delta8_rgb32_iter%=:\n\t"
|
|
"ldp q16, q17, [%0], #32\n\t"
|
|
"ldp q18, q19, [%0], #32\n\t"
|
|
"ldp q20, q21, [%1], #32\n\t"
|
|
"ldp q22, q23, [%1], #32\n\t"
|
|
"prfm pldl1keep, [%0, #256]\n\t"
|
|
"prfm pldl1keep, [%1, #256]\n\t"
|
|
"uabd v16.16b, v16.16b, v20.16b\n\t"
|
|
"uabd v17.16b, v17.16b, v21.16b\n\t"
|
|
"uabd v18.16b, v18.16b, v22.16b\n\t"
|
|
"uabd v19.16b, v19.16b, v23.16b\n\t"
|
|
"urshr v16.16b, v16.16b, #3\n\t"
|
|
"urshr v17.16b, v17.16b, #3\n\t"
|
|
"urshr v18.16b, v18.16b, #3\n\t"
|
|
"urshr v19.16b, v19.16b, #3\n\t"
|
|
"mul v16.16b, v16.16b, v24.16b\n\t"
|
|
"mul v17.16b, v17.16b, v24.16b\n\t"
|
|
"mul v18.16b, v18.16b, v24.16b\n\t"
|
|
"mul v19.16b, v19.16b, v24.16b\n\t"
|
|
"addp v16.16b, v16.16b, v16.16b\n\t"
|
|
"addp v17.16b, v17.16b, v17.16b\n\t"
|
|
"addp v18.16b, v18.16b, v18.16b\n\t"
|
|
"addp v19.16b, v19.16b, v19.16b\n\t"
|
|
"addp v16.16b, v16.16b, v16.16b\n\t"
|
|
"addp v17.16b, v17.16b, v17.16b\n\t"
|
|
"addp v18.16b, v18.16b, v18.16b\n\t"
|
|
"addp v19.16b, v19.16b, v19.16b\n\t"
|
|
"st4 {v16.s, v17.s, v18.s, v19.s}[0], [%2], #16\n\t"
|
|
"subs %3, %3, #16\n\t"
|
|
"bne neon64_armv8_delta8_rgb32_iter%=\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count), "r" (multiplier)
|
|
: "%x12", "%v16", "%v17", "%v18", "%v19", "%v20", "%v21", "%v22", "%v23", "%v24", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("Neon function called on a non-ARM platform or Neon code is absent");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32: RGBA Neon for AArch32 */
|
|
void neon32_armv7_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon32_armv7_delta8_rgb32(col1, col2, result, count, 0x00010502);
|
|
}
|
|
|
|
/* RGB32: BGRA Neon for AArch32 */
|
|
void neon32_armv7_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon32_armv7_delta8_rgb32(col1, col2, result, count, 0x00020501);
|
|
}
|
|
|
|
/* RGB32: ARGB Neon for AArch32 */
|
|
void neon32_armv7_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon32_armv7_delta8_rgb32(col1, col2, result, count, 0x01050200);
|
|
}
|
|
|
|
/* RGB32: ABGR Neon for AArch32 */
|
|
void neon32_armv7_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon32_armv7_delta8_rgb32(col1, col2, result, count, 0x02050100);
|
|
}
|
|
|
|
/* RGB32: RGBA Neon for AArch64 */
|
|
void neon64_armv8_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon64_armv8_delta8_rgb32(col1, col2, result, count, 0x00010502);
|
|
}
|
|
|
|
/* RGB32: BGRA Neon for AArch64 */
|
|
void neon64_armv8_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon64_armv8_delta8_rgb32(col1, col2, result, count, 0x00020501);
|
|
}
|
|
|
|
/* RGB32: ARGB Neon for AArch64 */
|
|
void neon64_armv8_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon64_armv8_delta8_rgb32(col1, col2, result, count, 0x01050200);
|
|
}
|
|
|
|
/* RGB32: ABGR Neon for AArch64 */
|
|
void neon64_armv8_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
neon64_armv8_delta8_rgb32(col1, col2, result, count, 0x02050100);
|
|
}
|
|
|
|
/* Grayscale SSE2 */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("sse2")))
|
|
#endif
|
|
void sse2_delta8_gray8(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
|
|
__asm__ __volatile__ (
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x10, %1\n\t"
|
|
"sub $0x10, %2\n\t"
|
|
"sse2_delta8_gray8_iter:\n\t"
|
|
"movdqa (%0,%3), %%xmm1\n\t"
|
|
"movdqa (%1,%3), %%xmm2\n\t"
|
|
"movdqa %%xmm1, %%xmm3\n\t"
|
|
"movdqa %%xmm2, %%xmm4\n\t"
|
|
"pmaxub %%xmm1, %%xmm2\n\t"
|
|
"pminub %%xmm3, %%xmm4\n\t"
|
|
"psubb %%xmm4, %%xmm2\n\t"
|
|
"movntdq %%xmm2, (%2,%3)\n\t"
|
|
"sub $0x10, %3\n\t"
|
|
"jnz sse2_delta8_gray8_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count)
|
|
: "%xmm1", "%xmm2", "%xmm3", "%xmm4", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32: RGBA SSE2 */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("sse2")))
|
|
#endif
|
|
void sse2_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
|
|
__asm__ __volatile__ (
|
|
"mov $0x1F1F1F1F, %%eax\n\t"
|
|
"movd %%eax, %%xmm4\n\t"
|
|
"pshufd $0x0, %%xmm4, %%xmm4\n\t"
|
|
"mov $0xff, %%eax\n\t"
|
|
"movd %%eax, %%xmm0\n\t"
|
|
"pshufd $0x0, %%xmm0, %%xmm0\n\t"
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x10, %1\n\t"
|
|
"sub $0x4, %2\n\t"
|
|
"sse2_delta8_rgba_iter:\n\t"
|
|
"movdqa (%0,%3,4), %%xmm1\n\t"
|
|
"movdqa (%1,%3,4), %%xmm2\n\t"
|
|
"psrlq $0x3, %%xmm1\n\t"
|
|
"psrlq $0x3, %%xmm2\n\t"
|
|
"pand %%xmm4, %%xmm1\n\t"
|
|
"pand %%xmm4, %%xmm2\n\t"
|
|
"movdqa %%xmm1, %%xmm5\n\t"
|
|
"movdqa %%xmm2, %%xmm6\n\t"
|
|
"pmaxub %%xmm1, %%xmm2\n\t"
|
|
"pminub %%xmm5, %%xmm6\n\t"
|
|
"psubb %%xmm6, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm3\n\t"
|
|
"psrld $0x8, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm1\n\t"
|
|
"pslld $0x2, %%xmm2\n\t"
|
|
"paddd %%xmm1, %%xmm2\n\t"
|
|
"movdqa %%xmm3, %%xmm1\n\t"
|
|
"pand %%xmm0, %%xmm1\n\t"
|
|
"paddd %%xmm1, %%xmm1\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"movdqa %%xmm3, %%xmm2\n\t"
|
|
"psrld $0x10, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"packssdw %%xmm1, %%xmm1\n\t"
|
|
"packuswb %%xmm1, %%xmm1\n\t"
|
|
"movd %%xmm1, %%eax\n\t"
|
|
"movnti %%eax, (%2,%3)\n\t"
|
|
"sub $0x4, %3\n\t"
|
|
"jnz sse2_delta8_rgba_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count)
|
|
: "%eax", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32: BGRA SSE2 */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("sse2")))
|
|
#endif
|
|
void sse2_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
|
|
__asm__ __volatile__ (
|
|
"mov $0x1F1F1F1F, %%eax\n\t"
|
|
"movd %%eax, %%xmm4\n\t"
|
|
"pshufd $0x0, %%xmm4, %%xmm4\n\t"
|
|
"mov $0xff, %%eax\n\t"
|
|
"movd %%eax, %%xmm0\n\t"
|
|
"pshufd $0x0, %%xmm0, %%xmm0\n\t"
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x10, %1\n\t"
|
|
"sub $0x4, %2\n\t"
|
|
"sse2_delta8_bgra_iter:\n\t"
|
|
"movdqa (%0,%3,4), %%xmm1\n\t"
|
|
"movdqa (%1,%3,4), %%xmm2\n\t"
|
|
"psrlq $0x3, %%xmm1\n\t"
|
|
"psrlq $0x3, %%xmm2\n\t"
|
|
"pand %%xmm4, %%xmm1\n\t"
|
|
"pand %%xmm4, %%xmm2\n\t"
|
|
"movdqa %%xmm1, %%xmm5\n\t"
|
|
"movdqa %%xmm2, %%xmm6\n\t"
|
|
"pmaxub %%xmm1, %%xmm2\n\t"
|
|
"pminub %%xmm5, %%xmm6\n\t"
|
|
"psubb %%xmm6, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm3\n\t"
|
|
"psrld $0x8, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm1\n\t"
|
|
"pslld $0x2, %%xmm2\n\t"
|
|
"paddd %%xmm1, %%xmm2\n\t"
|
|
"movdqa %%xmm3, %%xmm1\n\t"
|
|
"pand %%xmm0, %%xmm1\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"movdqa %%xmm3, %%xmm2\n\t"
|
|
"psrld $0x10, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"paddd %%xmm2, %%xmm2\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"packssdw %%xmm1, %%xmm1\n\t"
|
|
"packuswb %%xmm1, %%xmm1\n\t"
|
|
"movd %%xmm1, %%eax\n\t"
|
|
"movnti %%eax, (%2,%3)\n\t"
|
|
"sub $0x4, %3\n\t"
|
|
"jnz sse2_delta8_bgra_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count)
|
|
: "%eax", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32: ARGB SSE2 */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("sse2")))
|
|
#endif
|
|
void sse2_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
|
|
__asm__ __volatile__ (
|
|
"mov $0x1F1F1F1F, %%eax\n\t"
|
|
"movd %%eax, %%xmm4\n\t"
|
|
"pshufd $0x0, %%xmm4, %%xmm4\n\t"
|
|
"mov $0xff, %%eax\n\t"
|
|
"movd %%eax, %%xmm0\n\t"
|
|
"pshufd $0x0, %%xmm0, %%xmm0\n\t"
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x10, %1\n\t"
|
|
"sub $0x4, %2\n\t"
|
|
"sse2_delta8_argb_iter:\n\t"
|
|
"movdqa (%0,%3,4), %%xmm1\n\t"
|
|
"movdqa (%1,%3,4), %%xmm2\n\t"
|
|
"psrlq $0x3, %%xmm1\n\t"
|
|
"psrlq $0x3, %%xmm2\n\t"
|
|
"pand %%xmm4, %%xmm1\n\t"
|
|
"pand %%xmm4, %%xmm2\n\t"
|
|
"movdqa %%xmm1, %%xmm5\n\t"
|
|
"movdqa %%xmm2, %%xmm6\n\t"
|
|
"pmaxub %%xmm1, %%xmm2\n\t"
|
|
"pminub %%xmm5, %%xmm6\n\t"
|
|
"psubb %%xmm6, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm3\n\t"
|
|
"psrld $0x10, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm1\n\t"
|
|
"pslld $0x2, %%xmm2\n\t"
|
|
"paddd %%xmm1, %%xmm2\n\t"
|
|
"movdqa %%xmm3, %%xmm1\n\t"
|
|
"psrld $0x8, %%xmm1\n\t"
|
|
"pand %%xmm0, %%xmm1\n\t"
|
|
"paddd %%xmm1, %%xmm1\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"movdqa %%xmm3, %%xmm2\n\t"
|
|
"psrld $0x18, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"packssdw %%xmm1, %%xmm1\n\t"
|
|
"packuswb %%xmm1, %%xmm1\n\t"
|
|
"movd %%xmm1, %%eax\n\t"
|
|
"movnti %%eax, (%2,%3)\n\t"
|
|
"sub $0x4, %3\n\t"
|
|
"jnz sse2_delta8_argb_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count)
|
|
: "%eax", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32: ABGR SSE2 */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("sse2")))
|
|
#endif
|
|
void sse2_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
|
|
__asm__ __volatile__ (
|
|
"mov $0x1F1F1F1F, %%eax\n\t"
|
|
"movd %%eax, %%xmm4\n\t"
|
|
"pshufd $0x0, %%xmm4, %%xmm4\n\t"
|
|
"mov $0xff, %%eax\n\t"
|
|
"movd %%eax, %%xmm0\n\t"
|
|
"pshufd $0x0, %%xmm0, %%xmm0\n\t"
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x10, %1\n\t"
|
|
"sub $0x4, %2\n\t"
|
|
"sse2_delta8_abgr_iter:\n\t"
|
|
"movdqa (%0,%3,4), %%xmm1\n\t"
|
|
"movdqa (%1,%3,4), %%xmm2\n\t"
|
|
"psrlq $0x3, %%xmm1\n\t"
|
|
"psrlq $0x3, %%xmm2\n\t"
|
|
"pand %%xmm4, %%xmm1\n\t"
|
|
"pand %%xmm4, %%xmm2\n\t"
|
|
"movdqa %%xmm1, %%xmm5\n\t"
|
|
"movdqa %%xmm2, %%xmm6\n\t"
|
|
"pmaxub %%xmm1, %%xmm2\n\t"
|
|
"pminub %%xmm5, %%xmm6\n\t"
|
|
"psubb %%xmm6, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm3\n\t"
|
|
"psrld $0x10, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"movdqa %%xmm2, %%xmm1\n\t"
|
|
"pslld $0x2, %%xmm2\n\t"
|
|
"paddd %%xmm1, %%xmm2\n\t"
|
|
"movdqa %%xmm3, %%xmm1\n\t"
|
|
"psrld $0x8, %%xmm1\n\t"
|
|
"pand %%xmm0, %%xmm1\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"movdqa %%xmm3, %%xmm2\n\t"
|
|
"psrld $0x18, %%xmm2\n\t"
|
|
"pand %%xmm0, %%xmm2\n\t"
|
|
"paddd %%xmm2, %%xmm2\n\t"
|
|
"paddd %%xmm2, %%xmm1\n\t"
|
|
"packssdw %%xmm1, %%xmm1\n\t"
|
|
"packuswb %%xmm1, %%xmm1\n\t"
|
|
"movd %%xmm1, %%eax\n\t"
|
|
"movnti %%eax, (%2,%3)\n\t"
|
|
"sub $0x4, %3\n\t"
|
|
"jnz sse2_delta8_abgr_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count)
|
|
: "%eax", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32 SSSE3 */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("ssse3")))
|
|
#endif
|
|
void ssse3_delta8_rgb32(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, uint32_t multiplier) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
|
|
/* XMM0 - zero */
|
|
/* XMM1 - col1 */
|
|
/* XMM2 - col2 */
|
|
/* XMM3 - multiplier */
|
|
/* XMM4 - divide mask */
|
|
|
|
__asm__ __volatile__ (
|
|
"mov $0x1F1F1F1F, %%eax\n\t"
|
|
"movd %%eax, %%xmm4\n\t"
|
|
"pshufd $0x0, %%xmm4, %%xmm4\n\t"
|
|
"mov %4, %%eax\n\t"
|
|
"movd %%eax, %%xmm3\n\t"
|
|
"pshufd $0x0, %%xmm3, %%xmm3\n\t"
|
|
"pxor %%xmm0, %%xmm0\n\t"
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x10, %1\n\t"
|
|
"sub $0x4, %2\n\t"
|
|
"ssse3_delta8_rgb32_iter:\n\t"
|
|
"movdqa (%0,%3,4), %%xmm1\n\t"
|
|
"movdqa (%1,%3,4), %%xmm2\n\t"
|
|
"psrlq $0x3, %%xmm1\n\t"
|
|
"psrlq $0x3, %%xmm2\n\t"
|
|
"pand %%xmm4, %%xmm1\n\t"
|
|
"pand %%xmm4, %%xmm2\n\t"
|
|
"psubb %%xmm2, %%xmm1\n\t"
|
|
"pabsb %%xmm1, %%xmm1\n\t"
|
|
"pmaddubsw %%xmm3, %%xmm1\n\t"
|
|
"phaddw %%xmm0, %%xmm1\n\t"
|
|
"packuswb %%xmm1, %%xmm1\n\t"
|
|
"movd %%xmm1, %%eax\n\t"
|
|
"movnti %%eax, (%2,%3)\n\t"
|
|
"sub $0x4, %3\n\t"
|
|
"jnz ssse3_delta8_rgb32_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (col2), "r" (result), "r" (count), "g" (multiplier)
|
|
: "%eax", "%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* RGB32: RGBA SSSE3 */
|
|
void ssse3_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
ssse3_delta8_rgb32(col1, col2, result, count, 0x00010502);
|
|
}
|
|
|
|
/* RGB32: BGRA SSSE3 */
|
|
void ssse3_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
ssse3_delta8_rgb32(col1, col2, result, count, 0x00020501);
|
|
}
|
|
|
|
/* RGB32: ARGB SSSE3 */
|
|
void ssse3_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
ssse3_delta8_rgb32(col1, col2, result, count, 0x01050200);
|
|
}
|
|
|
|
/* RGB32: ABGR SSSE3 */
|
|
void ssse3_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count) {
|
|
ssse3_delta8_rgb32(col1, col2, result, count, 0x02050100);
|
|
}
|
|
|
|
|
|
/************************************************* CONVERT FUNCTIONS *************************************************/
|
|
|
|
/* RGB24 to grayscale */
|
|
__attribute__((noinline)) void fast_convert_rgb_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
r = col1[0];
|
|
g = col1[1];
|
|
b = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[3];
|
|
g = col1[4];
|
|
b = col1[5];
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[6];
|
|
g = col1[7];
|
|
b = col1[8];
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[9];
|
|
g = col1[10];
|
|
b = col1[11];
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 12;
|
|
result += 4;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_convert_rgb_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
r = col1[0];
|
|
g = col1[1];
|
|
b = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 3;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* BGR24 to grayscale */
|
|
__attribute__((noinline)) void fast_convert_bgr_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
b = col1[0];
|
|
g = col1[1];
|
|
r = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[3];
|
|
g = col1[4];
|
|
r = col1[5];
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[6];
|
|
g = col1[7];
|
|
r = col1[8];
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[9];
|
|
g = col1[10];
|
|
r = col1[11];
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 12;
|
|
result += 4;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_convert_bgr_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
b = col1[0];
|
|
g = col1[1];
|
|
r = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 3;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGBA to grayscale */
|
|
__attribute__((noinline)) void fast_convert_rgba_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
r = col1[0];
|
|
g = col1[1];
|
|
b = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[4];
|
|
g = col1[5];
|
|
b = col1[6];
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[8];
|
|
g = col1[9];
|
|
b = col1[10];
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[12];
|
|
g = col1[13];
|
|
b = col1[14];
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_convert_rgba_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
r = col1[0];
|
|
g = col1[1];
|
|
b = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* BGRA to grayscale */
|
|
__attribute__((noinline)) void fast_convert_bgra_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
b = col1[0];
|
|
g = col1[1];
|
|
r = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[4];
|
|
g = col1[5];
|
|
r = col1[6];
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[8];
|
|
g = col1[9];
|
|
r = col1[10];
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[12];
|
|
g = col1[13];
|
|
r = col1[14];
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
|
|
__attribute__((noinline)) void std_convert_bgra_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
b = col1[0];
|
|
g = col1[1];
|
|
r = col1[2];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
/* ARGB to grayscale */
|
|
__attribute__((noinline)) void fast_convert_argb_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
r = col1[1];
|
|
g = col1[2];
|
|
b = col1[3];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[5];
|
|
g = col1[6];
|
|
b = col1[7];
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[9];
|
|
g = col1[10];
|
|
b = col1[11];
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
r = col1[13];
|
|
g = col1[14];
|
|
b = col1[15];
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_convert_argb_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
r = col1[1];
|
|
g = col1[2];
|
|
b = col1[3];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* ABGR to grayscale */
|
|
__attribute__((noinline)) void fast_convert_abgr_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
b = col1[1];
|
|
g = col1[2];
|
|
r = col1[3];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[5];
|
|
g = col1[6];
|
|
r = col1[7];
|
|
result[1] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[9];
|
|
g = col1[10];
|
|
r = col1[11];
|
|
result[2] = (r + r + b + g + g + g + g + g)>>3;
|
|
b = col1[13];
|
|
g = col1[14];
|
|
r = col1[15];
|
|
result[3] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 16;
|
|
result += 4;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_convert_abgr_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
b = col1[1];
|
|
g = col1[2];
|
|
r = col1[3];
|
|
result[0] = (r + r + b + g + g + g + g + g)>>3;
|
|
|
|
col1 += 4;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* Converts a YUYV image into grayscale by extracting the Y channel */
|
|
__attribute__((noinline)) void fast_convert_yuyv_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
const uint16_t* yuvbuf = (const uint16_t*)col1;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
result[0] = (uint8_t)yuvbuf[0];
|
|
result[1] = (uint8_t)yuvbuf[1];
|
|
result[2] = (uint8_t)yuvbuf[2];
|
|
result[3] = (uint8_t)yuvbuf[3];
|
|
result[4] = (uint8_t)yuvbuf[4];
|
|
result[5] = (uint8_t)yuvbuf[5];
|
|
result[6] = (uint8_t)yuvbuf[6];
|
|
result[7] = (uint8_t)yuvbuf[7];
|
|
result[8] = (uint8_t)yuvbuf[8];
|
|
result[9] = (uint8_t)yuvbuf[9];
|
|
result[10] = (uint8_t)yuvbuf[10];
|
|
result[11] = (uint8_t)yuvbuf[11];
|
|
result[12] = (uint8_t)yuvbuf[12];
|
|
result[13] = (uint8_t)yuvbuf[13];
|
|
result[14] = (uint8_t)yuvbuf[14];
|
|
result[15] = (uint8_t)yuvbuf[15];
|
|
|
|
yuvbuf += 16;
|
|
result += 16;
|
|
}
|
|
}
|
|
__attribute__((noinline)) void std_convert_yuyv_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
const uint16_t* yuvbuf = (const uint16_t*)col1;
|
|
const uint8_t* const max_ptr = result + count;
|
|
|
|
while(result < max_ptr) {
|
|
result[0] = (uint8_t)yuvbuf[0];
|
|
|
|
yuvbuf += 1;
|
|
result += 1;
|
|
}
|
|
}
|
|
|
|
/* RGB32 to grayscale SSSE3 */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("ssse3")))
|
|
#endif
|
|
void ssse3_convert_rgb32_gray8(const uint8_t* col1, uint8_t* result, unsigned long count, uint32_t multiplier) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
|
|
/* XMM0 - zero */
|
|
/* XMM1 - col1 */
|
|
/* XMM3 - multiplier */
|
|
/* XMM4 - divide mask */
|
|
|
|
__asm__ __volatile__ (
|
|
"mov $0x1F1F1F1F, %%eax\n\t"
|
|
"movd %%eax, %%xmm4\n\t"
|
|
"pshufd $0x0, %%xmm4, %%xmm4\n\t"
|
|
"mov %3, %%eax\n\t"
|
|
"movd %%eax, %%xmm3\n\t"
|
|
"pshufd $0x0, %%xmm3, %%xmm3\n\t"
|
|
"pxor %%xmm0, %%xmm0\n\t"
|
|
"sub $0x10, %0\n\t"
|
|
"sub $0x4, %1\n\t"
|
|
"ssse3_convert_rgb32_gray8_iter:\n\t"
|
|
"movdqa (%0,%2,4), %%xmm1\n\t"
|
|
"psrlq $0x3, %%xmm1\n\t"
|
|
"pand %%xmm4, %%xmm1\n\t"
|
|
"pmaddubsw %%xmm3, %%xmm1\n\t"
|
|
"phaddw %%xmm0, %%xmm1\n\t"
|
|
"packuswb %%xmm1, %%xmm1\n\t"
|
|
"movd %%xmm1, %%eax\n\t"
|
|
"movnti %%eax, (%1,%2)\n\t"
|
|
"sub $0x4, %2\n\t"
|
|
"jnz ssse3_convert_rgb32_gray8_iter\n\t"
|
|
:
|
|
: "r" (col1), "r" (result), "r" (count), "g" (multiplier)
|
|
: "%eax", "%xmm0", "%xmm1", "%xmm3", "%xmm4", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* RGBA to grayscale SSSE3 */
|
|
void ssse3_convert_rgba_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
ssse3_convert_rgb32_gray8(col1, result, count, 0x00010502);
|
|
}
|
|
|
|
/* BGRA to grayscale SSSE3 */
|
|
void ssse3_convert_bgra_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
ssse3_convert_rgb32_gray8(col1, result, count, 0x00020501);
|
|
}
|
|
|
|
/* ARGB to grayscale SSSE3 */
|
|
void ssse3_convert_argb_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
ssse3_convert_rgb32_gray8(col1, result, count, 0x01050200);
|
|
}
|
|
|
|
/* ABGR to grayscale SSSE3 */
|
|
void ssse3_convert_abgr_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
ssse3_convert_rgb32_gray8(col1, result, count, 0x02050100);
|
|
}
|
|
|
|
/* Converts a YUYV image into grayscale by extracting the Y channel */
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
__attribute__((noinline,__target__("ssse3")))
|
|
#endif
|
|
void ssse3_convert_yuyv_gray8(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
#if ((defined(__i386__) || defined(__x86_64__) || defined(ZM_KEEP_SSE)) && !defined(ZM_STRIP_SSE))
|
|
unsigned long i = 0;
|
|
|
|
__attribute__((aligned(16))) static const uint8_t movemask1[16] = {0,2,4,6,8,10,12,14,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
|
|
__attribute__((aligned(16))) static const uint8_t movemask2[16] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0,2,4,6,8,10,12,14};
|
|
|
|
/* XMM0 - General purpose */
|
|
/* XMM1 - General purpose */
|
|
/* XMM2 - unused */
|
|
/* XMM3 - shift mask 1 */
|
|
/* XMM4 - shift mask 2 */
|
|
/* XMM5 - unused*/
|
|
/* XMM6 - unused */
|
|
/* XMM7 - unused */
|
|
|
|
__asm__ __volatile__ (
|
|
"movdqa %4, %%xmm3\n\t"
|
|
"movdqa %5, %%xmm4\n\t"
|
|
"algo_ssse3_convert_yuyv_gray8:\n\t"
|
|
"movdqa (%0), %%xmm0\n\t"
|
|
"pshufb %%xmm3, %%xmm0\n\t"
|
|
"movdqa 0x10(%0), %%xmm1\n\t"
|
|
"pshufb %%xmm4, %%xmm1\n\t"
|
|
"por %%xmm1, %%xmm0\n\t"
|
|
"movntdq %%xmm0, (%1)\n\t"
|
|
"add $0x10, %3\n\t"
|
|
"add $0x10, %1\n\t"
|
|
"add $0x20, %0\n\t"
|
|
"cmp %2, %3\n\t"
|
|
"jb algo_ssse3_convert_yuyv_gray8\n\t"
|
|
:
|
|
#if (defined(_DEBUG) && !defined(__x86_64__)) /* Use one less register to allow compilation to success on 32bit with omit frame pointer disabled */
|
|
: "r" (col1), "r" (result), "m" (count), "r" (i), "m" (*movemask1), "m" (*movemask2)
|
|
#else
|
|
: "r" (col1), "r" (result), "r" (count), "r" (i), "m" (*movemask1), "m" (*movemask2)
|
|
#endif
|
|
: "%xmm3", "%xmm4", "cc", "memory"
|
|
);
|
|
#else
|
|
Panic("SSE function called on a non x86\\x86-64 platform");
|
|
#endif
|
|
}
|
|
|
|
/* YUYV to RGB24 - relocated from zm_local_camera.cpp */
|
|
__attribute__((noinline)) void zm_convert_yuyv_rgb(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
int32 r,g,b;
|
|
int32 y1,y2,u,v;
|
|
for(unsigned int i=0; i < count; i += 2, col1 += 4, result += 6) {
|
|
y1 = col1[0];
|
|
u = col1[1];
|
|
y2 = col1[2];
|
|
v = col1[3];
|
|
|
|
r = y1 + r_v_table[v];
|
|
g = y1 - (g_u_table[u]+g_v_table[v]);
|
|
b = y1 + b_u_table[u];
|
|
|
|
result[0] = r<0?0:(r>255?255:r);
|
|
result[1] = g<0?0:(g>255?255:g);
|
|
result[2] = b<0?0:(b>255?255:b);
|
|
|
|
r = y2 + r_v_table[v];
|
|
g = y2 - (g_u_table[u]+g_v_table[v]);
|
|
b = y2 + b_u_table[u];
|
|
|
|
result[3] = r<0?0:(r>255?255:r);
|
|
result[4] = g<0?0:(g>255?255:g);
|
|
result[5] = b<0?0:(b>255?255:b);
|
|
}
|
|
|
|
}
|
|
|
|
/* YUYV to RGBA - modified the one above */
|
|
__attribute__((noinline)) void zm_convert_yuyv_rgba(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
unsigned int y1,y2,u,v;
|
|
for(unsigned int i=0; i < count; i += 2, col1 += 4, result += 8) {
|
|
y1 = col1[0];
|
|
u = col1[1];
|
|
y2 = col1[2];
|
|
v = col1[3];
|
|
|
|
r = y1 + r_v_table[v];
|
|
g = y1 - (g_u_table[u]+g_v_table[v]);
|
|
b = y1 + b_u_table[u];
|
|
|
|
result[0] = r>255?255:r;
|
|
result[1] = g>255?255:g;
|
|
result[2] = b>255?255:b;
|
|
|
|
r = y2 + r_v_table[v];
|
|
g = y2 - (g_u_table[u]+g_v_table[v]);
|
|
b = y2 + b_u_table[u];
|
|
|
|
result[4] = r>255?255:r;
|
|
result[5] = g>255?255:g;
|
|
result[6] = b>255?255:b;
|
|
}
|
|
|
|
}
|
|
|
|
/* RGB555 to RGB24 - relocated from zm_local_camera.cpp */
|
|
__attribute__((noinline)) void zm_convert_rgb555_rgb(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
for(unsigned int i=0; i < count; i++, col1 += 2, result += 3) {
|
|
b = ((*col1)<<3)&0xf8;
|
|
g = (((*(col1+1))<<6)|((*col1)>>2))&0xf8;
|
|
r = ((*(col1+1))<<1)&0xf8;
|
|
result[0] = r;
|
|
result[1] = g;
|
|
result[2] = b;
|
|
}
|
|
}
|
|
|
|
/* RGB555 to RGBA - modified the one above */
|
|
__attribute__((noinline)) void zm_convert_rgb555_rgba(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
for(unsigned int i=0; i < count; i++, col1 += 2, result += 4) {
|
|
b = ((*col1)<<3)&0xf8;
|
|
g = (((*(col1+1))<<6)|((*col1)>>2))&0xf8;
|
|
r = ((*(col1+1))<<1)&0xf8;
|
|
result[0] = r;
|
|
result[1] = g;
|
|
result[2] = b;
|
|
}
|
|
}
|
|
|
|
/* RGB565 to RGB24 - relocated from zm_local_camera.cpp */
|
|
__attribute__((noinline)) void zm_convert_rgb565_rgb(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
for(unsigned int i=0; i < count; i++, col1 += 2, result += 3) {
|
|
b = ((*col1)<<3)&0xf8;
|
|
g = (((*(col1+1))<<5)|((*col1)>>3))&0xfc;
|
|
r = (*(col1+1))&0xf8;
|
|
result[0] = r;
|
|
result[1] = g;
|
|
result[2] = b;
|
|
}
|
|
}
|
|
|
|
/* RGB565 to RGBA - modified the one above */
|
|
__attribute__((noinline)) void zm_convert_rgb565_rgba(const uint8_t* col1, uint8_t* result, unsigned long count) {
|
|
unsigned int r,g,b;
|
|
for ( unsigned int i=0; i < count; i++, col1 += 2, result += 4 ) {
|
|
b = ((*col1)<<3)&0xf8;
|
|
g = (((*(col1+1))<<5)|((*col1)>>3))&0xfc;
|
|
r = (*(col1+1))&0xf8;
|
|
result[0] = r;
|
|
result[1] = g;
|
|
result[2] = b;
|
|
}
|
|
}
|
|
|
|
/************************************************* DEINTERLACE FUNCTIONS *************************************************/
|
|
|
|
/* Grayscale */
|
|
__attribute__((noinline)) void std_deinterlace_4field_gray8(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height) {
|
|
uint8_t *pcurrent, *pabove, *pncurrent, *pnabove, *pbelow;
|
|
const uint8_t* const max_ptr = col1 + (width*(height-1));
|
|
const uint8_t *max_ptr2;
|
|
|
|
pcurrent = col1 + width;
|
|
pncurrent = col2 + width;
|
|
pabove = col1;
|
|
pnabove = col2;
|
|
pbelow = col1 + (width*2);
|
|
while(pcurrent < max_ptr) {
|
|
max_ptr2 = pcurrent + width;
|
|
while(pcurrent < max_ptr2) {
|
|
if((unsigned int)((abs(*pnabove - *pabove) + abs(*pncurrent - *pcurrent)) >> 1) >= threshold) {
|
|
*pcurrent = (*pabove + *pbelow) >> 1;
|
|
}
|
|
pabove++;
|
|
pnabove++;
|
|
pcurrent++;
|
|
pncurrent++;
|
|
pbelow++;
|
|
}
|
|
pcurrent += width;
|
|
pncurrent += width;
|
|
pabove += width;
|
|
pnabove += width;
|
|
pbelow += width;
|
|
}
|
|
|
|
/* Special case for the last line */
|
|
max_ptr2 = pcurrent + width;
|
|
while(pcurrent < max_ptr2) {
|
|
if((unsigned int)((abs(*pnabove - *pabove) + abs(*pncurrent - *pcurrent)) >> 1) >= threshold) {
|
|
*pcurrent = *pabove;
|
|
}
|
|
pabove++;
|
|
pnabove++;
|
|
pcurrent++;
|
|
pncurrent++;
|
|
}
|
|
}
|
|
|
|
/* RGB */
|
|
__attribute__((noinline)) void std_deinterlace_4field_rgb(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height) {
|
|
uint8_t *pcurrent, *pabove, *pncurrent, *pnabove, *pbelow;
|
|
const unsigned int row_width = width*3;
|
|
const uint8_t* const max_ptr = col1 + (row_width * (height-1));
|
|
const uint8_t *max_ptr2;
|
|
unsigned int b, g, r;
|
|
unsigned int delta1, delta2;
|
|
|
|
pcurrent = col1 + (width*3);
|
|
pncurrent = col2 + (width*3);
|
|
pabove = col1;
|
|
pnabove = col2;
|
|
pbelow = col1 + ((width*2)*3);
|
|
while(pcurrent < max_ptr) {
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
r = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
b = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
b = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = (pabove[0] + pbelow[0]) >> 1;
|
|
pcurrent[1] = (pabove[1] + pbelow[1]) >> 1;
|
|
pcurrent[2] = (pabove[2] + pbelow[2]) >> 1;
|
|
}
|
|
pabove += 3;
|
|
pnabove += 3;
|
|
pcurrent += 3;
|
|
pncurrent += 3;
|
|
pbelow += 3;
|
|
}
|
|
pcurrent += row_width;
|
|
pncurrent += row_width;
|
|
pabove += row_width;
|
|
pnabove += row_width;
|
|
pbelow += row_width;
|
|
}
|
|
|
|
/* Special case for the last line */
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
r = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
b = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
b = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = pabove[0];
|
|
pcurrent[1] = pabove[1];
|
|
pcurrent[2] = pabove[2];
|
|
}
|
|
pabove += 3;
|
|
pnabove += 3;
|
|
pcurrent += 3;
|
|
pncurrent += 3;
|
|
}
|
|
}
|
|
|
|
/* BGR */
|
|
__attribute__((noinline)) void std_deinterlace_4field_bgr(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height) {
|
|
uint8_t *pcurrent, *pabove, *pncurrent, *pnabove, *pbelow;
|
|
const unsigned int row_width = width*3;
|
|
const uint8_t* const max_ptr = col1 + (row_width * (height-1));
|
|
const uint8_t *max_ptr2;
|
|
unsigned int b, g, r;
|
|
unsigned int delta1, delta2;
|
|
|
|
pcurrent = col1 + (width*3);
|
|
pncurrent = col2 + (width*3);
|
|
pabove = col1;
|
|
pnabove = col2;
|
|
pbelow = col1 + ((width*2)*3);
|
|
while(pcurrent < max_ptr) {
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
b = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
r = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
r = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = (pabove[0] + pbelow[0]) >> 1;
|
|
pcurrent[1] = (pabove[1] + pbelow[1]) >> 1;
|
|
pcurrent[2] = (pabove[2] + pbelow[2]) >> 1;
|
|
}
|
|
pabove += 3;
|
|
pnabove += 3;
|
|
pcurrent += 3;
|
|
pncurrent += 3;
|
|
pbelow += 3;
|
|
}
|
|
pcurrent += row_width;
|
|
pncurrent += row_width;
|
|
pabove += row_width;
|
|
pnabove += row_width;
|
|
pbelow += row_width;
|
|
|
|
}
|
|
|
|
/* Special case for the last line */
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
b = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
r = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
r = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = pabove[0];
|
|
pcurrent[1] = pabove[1];
|
|
pcurrent[2] = pabove[2];
|
|
}
|
|
pabove += 3;
|
|
pnabove += 3;
|
|
pcurrent += 3;
|
|
pncurrent += 3;
|
|
}
|
|
}
|
|
|
|
/* RGBA */
|
|
__attribute__((noinline)) void std_deinterlace_4field_rgba(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height) {
|
|
uint8_t *pcurrent, *pabove, *pncurrent, *pnabove, *pbelow;
|
|
const unsigned int row_width = width*4;
|
|
const uint8_t* const max_ptr = col1 + (row_width * (height-1));
|
|
const uint8_t *max_ptr2;
|
|
unsigned int b, g, r;
|
|
unsigned int delta1, delta2;
|
|
|
|
pcurrent = col1 + row_width;
|
|
pncurrent = col2 + row_width;
|
|
pabove = col1;
|
|
pnabove = col2;
|
|
pbelow = col1 + (row_width*2);
|
|
while(pcurrent < max_ptr) {
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
r = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
b = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
b = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = (pabove[0] + pbelow[0]) >> 1;
|
|
pcurrent[1] = (pabove[1] + pbelow[1]) >> 1;
|
|
pcurrent[2] = (pabove[2] + pbelow[2]) >> 1;
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
pbelow += 4;
|
|
}
|
|
pcurrent += row_width;
|
|
pncurrent += row_width;
|
|
pabove += row_width;
|
|
pnabove += row_width;
|
|
pbelow += row_width;
|
|
}
|
|
|
|
/* Special case for the last line */
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
r = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
b = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
b = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = pabove[0];
|
|
pcurrent[1] = pabove[1];
|
|
pcurrent[2] = pabove[2];
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
}
|
|
}
|
|
|
|
/* BGRA */
|
|
__attribute__((noinline)) void std_deinterlace_4field_bgra(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height) {
|
|
uint8_t *pcurrent, *pabove, *pncurrent, *pnabove, *pbelow;
|
|
const unsigned int row_width = width*4;
|
|
const uint8_t* const max_ptr = col1 + (row_width * (height-1));
|
|
const uint8_t *max_ptr2;
|
|
unsigned int b, g, r;
|
|
unsigned int delta1, delta2;
|
|
|
|
pcurrent = col1 + row_width;
|
|
pncurrent = col2 + row_width;
|
|
pabove = col1;
|
|
pnabove = col2;
|
|
pbelow = col1 + (row_width*2);
|
|
while(pcurrent < max_ptr) {
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
b = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
r = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
r = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = (pabove[0] + pbelow[0]) >> 1;
|
|
pcurrent[1] = (pabove[1] + pbelow[1]) >> 1;
|
|
pcurrent[2] = (pabove[2] + pbelow[2]) >> 1;
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
pbelow += 4;
|
|
}
|
|
pcurrent += row_width;
|
|
pncurrent += row_width;
|
|
pabove += row_width;
|
|
pnabove += row_width;
|
|
pbelow += row_width;
|
|
}
|
|
|
|
/* Special case for the last line */
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
b = abs(pnabove[0] - pabove[0]);
|
|
g = abs(pnabove[1] - pabove[1]);
|
|
r = abs(pnabove[2] - pabove[2]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(pncurrent[0] - pcurrent[0]);
|
|
g = abs(pncurrent[1] - pcurrent[1]);
|
|
r = abs(pncurrent[2] - pcurrent[2]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[0] = pabove[0];
|
|
pcurrent[1] = pabove[1];
|
|
pcurrent[2] = pabove[2];
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
}
|
|
}
|
|
|
|
/* ARGB */
|
|
__attribute__((noinline)) void std_deinterlace_4field_argb(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height) {
|
|
uint8_t *pcurrent, *pabove, *pncurrent, *pnabove, *pbelow;
|
|
const unsigned int row_width = width*4;
|
|
const uint8_t* const max_ptr = col1 + (row_width * (height-1));
|
|
const uint8_t *max_ptr2;
|
|
unsigned int b, g, r;
|
|
unsigned int delta1, delta2;
|
|
|
|
pcurrent = col1 + row_width;
|
|
pncurrent = col2 + row_width;
|
|
pabove = col1;
|
|
pnabove = col2;
|
|
pbelow = col1 + (row_width*2);
|
|
while(pcurrent < max_ptr) {
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
r = abs(pnabove[1] - pabove[1]);
|
|
g = abs(pnabove[2] - pabove[2]);
|
|
b = abs(pnabove[3] - pabove[3]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(pncurrent[1] - pcurrent[1]);
|
|
g = abs(pncurrent[2] - pcurrent[2]);
|
|
b = abs(pncurrent[3] - pcurrent[3]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[1] = (pabove[1] + pbelow[1]) >> 1;
|
|
pcurrent[2] = (pabove[2] + pbelow[2]) >> 1;
|
|
pcurrent[3] = (pabove[3] + pbelow[3]) >> 1;
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
pbelow += 4;
|
|
}
|
|
pcurrent += row_width;
|
|
pncurrent += row_width;
|
|
pabove += row_width;
|
|
pnabove += row_width;
|
|
pbelow += row_width;
|
|
}
|
|
|
|
/* Special case for the last line */
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
r = abs(pnabove[1] - pabove[1]);
|
|
g = abs(pnabove[2] - pabove[2]);
|
|
b = abs(pnabove[3] - pabove[3]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
r = abs(pncurrent[1] - pcurrent[1]);
|
|
g = abs(pncurrent[2] - pcurrent[2]);
|
|
b = abs(pncurrent[3] - pcurrent[3]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[1] = pabove[1];
|
|
pcurrent[2] = pabove[2];
|
|
pcurrent[3] = pabove[3];
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
}
|
|
}
|
|
|
|
/* ABGR */
|
|
__attribute__((noinline)) void std_deinterlace_4field_abgr(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height) {
|
|
uint8_t *pcurrent, *pabove, *pncurrent, *pnabove, *pbelow;
|
|
const unsigned int row_width = width*4;
|
|
const uint8_t* const max_ptr = col1 + (row_width * (height-1));
|
|
const uint8_t *max_ptr2;
|
|
unsigned int b, g, r;
|
|
unsigned int delta1, delta2;
|
|
|
|
pcurrent = col1 + row_width;
|
|
pncurrent = col2 + row_width;
|
|
pabove = col1;
|
|
pnabove = col2;
|
|
pbelow = col1 + (row_width*2);
|
|
while(pcurrent < max_ptr) {
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
b = abs(pnabove[1] - pabove[1]);
|
|
g = abs(pnabove[2] - pabove[2]);
|
|
r = abs(pnabove[3] - pabove[3]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(pncurrent[1] - pcurrent[1]);
|
|
g = abs(pncurrent[2] - pcurrent[2]);
|
|
r = abs(pncurrent[3] - pcurrent[3]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[1] = (pabove[1] + pbelow[1]) >> 1;
|
|
pcurrent[2] = (pabove[2] + pbelow[2]) >> 1;
|
|
pcurrent[3] = (pabove[3] + pbelow[3]) >> 1;
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
pbelow += 4;
|
|
}
|
|
pcurrent += row_width;
|
|
pncurrent += row_width;
|
|
pabove += row_width;
|
|
pnabove += row_width;
|
|
pbelow += row_width;
|
|
|
|
}
|
|
|
|
/* Special case for the last line */
|
|
max_ptr2 = pcurrent + row_width;
|
|
while(pcurrent < max_ptr2) {
|
|
b = abs(pnabove[1] - pabove[1]);
|
|
g = abs(pnabove[2] - pabove[2]);
|
|
r = abs(pnabove[3] - pabove[3]);
|
|
delta1 = (r + r + b + g + g + g + g + g)>>3;
|
|
b = abs(pncurrent[1] - pcurrent[1]);
|
|
g = abs(pncurrent[2] - pcurrent[2]);
|
|
r = abs(pncurrent[3] - pcurrent[3]);
|
|
delta2 = (r + r + b + g + g + g + g + g)>>3;
|
|
if(((delta1 + delta2) >> 1) >= threshold) {
|
|
pcurrent[1] = pabove[1];
|
|
pcurrent[2] = pabove[2];
|
|
pcurrent[3] = pabove[3];
|
|
}
|
|
pabove += 4;
|
|
pnabove += 4;
|
|
pcurrent += 4;
|
|
pncurrent += 4;
|
|
}
|
|
}
|
|
|
|
|