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zoneminder/src/zm_image.h

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//
// ZoneMinder Image Class Interface, $Date$, $Revision$
// Copyright (C) 2001-2008 Philip Coombes
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
#ifndef ZM_IMAGE_H
#define ZM_IMAGE_H
#include "zm.h"
extern "C"
{
#include "zm_jpeg.h"
}
#include "zm_rgb.h"
#include "zm_coord.h"
#include "zm_box.h"
#include "zm_poly.h"
#include "zm_mem_utils.h"
#include "zm_utils.h"
#include <errno.h>
#if HAVE_ZLIB_H
#include <zlib.h>
#endif // HAVE_ZLIB_H
#define ZM_BUFTYPE_DONTFREE 0
#define ZM_BUFTYPE_MALLOC 1
#define ZM_BUFTYPE_NEW 2
#define ZM_BUFTYPE_AVMALLOC 3
#define ZM_BUFTYPE_ZM 4
typedef void (*blend_fptr_t)(const uint8_t*, const uint8_t*, uint8_t*, unsigned long, double);
typedef void (*delta_fptr_t)(const uint8_t*, const uint8_t*, uint8_t*, unsigned long);
typedef void (*convert_fptr_t)(const uint8_t*, uint8_t*, unsigned long);
typedef void (*deinterlace_4field_fptr_t)(uint8_t*, uint8_t*, unsigned int, unsigned int, unsigned int);
typedef void* (*imgbufcpy_fptr_t)(void*, const void*, size_t);
extern imgbufcpy_fptr_t fptr_imgbufcpy;
/* Should be called from Image class functions */
inline static uint8_t* AllocBuffer(size_t p_bufsize) {
uint8_t* buffer = (uint8_t*)zm_mallocaligned(16,p_bufsize);
if(buffer == NULL)
Fatal("Memory allocation failed: %s",strerror(errno));
return buffer;
}
inline static void DumpBuffer(uint8_t* buffer, int buffertype) {
if (buffer && buffertype != ZM_BUFTYPE_DONTFREE) {
if(buffertype == ZM_BUFTYPE_ZM)
zm_freealigned(buffer);
else if(buffertype == ZM_BUFTYPE_MALLOC)
free(buffer);
else if(buffertype == ZM_BUFTYPE_NEW)
delete buffer;
/*else if(buffertype == ZM_BUFTYPE_AVMALLOC)
av_free(buffer);
*/
}
}
//
// This is image class, and represents a frame captured from a
// camera in raw form.
//
class Image
{
protected:
struct Edge
{
int min_y;
int max_y;
double min_x;
double _1_m;
static int CompareYX( const void *p1, const void *p2 )
{
const Edge *e1 = (const Edge *)p1, *e2 = (const Edge *)p2;
if ( e1->min_y == e2->min_y )
return( int(e1->min_x - e2->min_x) );
else
return( int(e1->min_y - e2->min_y) );
}
static int CompareX( const void *p1, const void *p2 )
{
const Edge *e1 = (const Edge *)p1, *e2 = (const Edge *)p2;
return( int(e1->min_x - e2->min_x) );
}
};
inline void DumpImgBuffer() {
DumpBuffer(buffer,buffertype);
buffer = NULL;
allocation = 0;
}
inline void AllocImgBuffer(size_t p_bufsize) {
if(buffer)
DumpImgBuffer();
buffer = AllocBuffer(p_bufsize);
buffertype = ZM_BUFTYPE_ZM;
allocation = p_bufsize;
}
public:
enum { CHAR_HEIGHT=11, CHAR_WIDTH=6 };
enum { LINE_HEIGHT=CHAR_HEIGHT+0 };
protected:
static bool initialised;
static unsigned char *abs_table;
static unsigned char *y_r_table;
static unsigned char *y_g_table;
static unsigned char *y_b_table;
static jpeg_compress_struct *jpg_ccinfo[101];
static jpeg_decompress_struct *jpg_dcinfo;
static struct zm_error_mgr jpg_err;
protected:
unsigned int width;
unsigned int height;
unsigned int pixels;
unsigned int colours;
unsigned int size;
unsigned int subpixelorder;
unsigned long allocation;
uint8_t *buffer;
int buffertype; /* 0=not ours, no need to call free(), 1=malloc() buffer, 2=new buffer */
int holdbuffer; /* Hold the buffer instead of replacing it with new one */
char text[1024];
protected:
static void Initialise();
public:
Image();
Image( const char *filename );
Image( int p_width, int p_height, int p_colours, int p_subpixelorder, uint8_t *p_buffer=0);
Image( const Image &p_image );
~Image();
inline unsigned int Width() const { return( width ); }
inline unsigned int Height() const { return( height ); }
inline unsigned int Pixels() const { return( pixels ); }
inline unsigned int Colours() const { return( colours ); }
inline unsigned int SubpixelOrder() const { return( subpixelorder ); }
inline unsigned int Size() const { return( size ); }
/* Internal buffer should not be modified from functions outside of this class */
inline const uint8_t* Buffer() const { return( buffer ); }
inline const uint8_t* Buffer( unsigned int x, unsigned int y= 0 ) const { return( &buffer[colours*((y*width)+x)] ); }
/* Request writeable buffer */
uint8_t* WriteBuffer(const unsigned int p_width, const unsigned int p_height, const unsigned int p_colours, const unsigned int p_subpixelorder);
inline int IsBufferHeld() const { return holdbuffer; }
inline void HoldBuffer(int tohold) { holdbuffer = tohold; }
inline void Empty() {
if(!holdbuffer)
DumpImgBuffer();
width = height = colours = size = pixels = subpixelorder = 0;
}
void Assign( unsigned int p_width, unsigned int p_height, unsigned int p_colours, unsigned int p_subpixelorder, const uint8_t* new_buffer, const size_t buffer_size);
void Assign( const Image &image );
void 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);
inline void CopyBuffer( const Image &image )
{
Assign(image);
}
inline Image &operator=( const Image &image )
{
Assign(image);
return *this;
}
inline Image &operator=( const unsigned char *new_buffer )
{
(*fptr_imgbufcpy)(buffer, new_buffer, size);
return( *this );
}
bool ReadRaw( const char *filename );
bool WriteRaw( const char *filename ) const;
bool ReadJpeg( const char *filename, unsigned int p_colours, unsigned int p_subpixelorder);
bool WriteJpeg ( const char *filename) const;
bool WriteJpeg ( const char *filename, int quality_override ) const;
bool WriteJpeg ( const char *filename, struct timeval timestamp ) const;
bool WriteJpeg ( const char *filename, int quality_override, struct timeval timestamp ) const;
bool DecodeJpeg( const JOCTET *inbuffer, int inbuffer_size, unsigned int p_colours, unsigned int p_subpixelorder);
bool EncodeJpeg( JOCTET *outbuffer, int *outbuffer_size, int quality_override=0 ) const;
#if HAVE_ZLIB_H
bool Unzip( const Bytef *inbuffer, unsigned long inbuffer_size );
bool Zip( Bytef *outbuffer, unsigned long *outbuffer_size, int compression_level=Z_BEST_SPEED ) const;
#endif // HAVE_ZLIB_H
bool Crop( unsigned int lo_x, unsigned int lo_y, unsigned int hi_x, unsigned int hi_y );
bool Crop( const Box &limits );
void Overlay( const Image &image );
void Overlay( const Image &image, unsigned int x, unsigned int y );
void Blend( const Image &image, int transparency=12 );
static Image *Merge( unsigned int n_images, Image *images[] );
static Image *Merge( unsigned int n_images, Image *images[], double weight );
static Image *Highlight( unsigned int n_images, Image *images[], const Rgb threshold=RGB_BLACK, const Rgb ref_colour=RGB_RED );
//Image *Delta( const Image &image ) const;
void Delta( const Image &image, Image* targetimage) const;
const Coord centreCoord( const char *text ) const;
void MaskPrivacy( const unsigned char *p_bitmask, const Rgb pixel_colour=0x00222222 );
void Annotate( const char *p_text, const Coord &coord, const unsigned int size=1, const Rgb fg_colour=RGB_WHITE, const Rgb bg_colour=RGB_BLACK );
Image *HighlightEdges( Rgb colour, unsigned int p_colours, unsigned int p_subpixelorder, const Box *limits=0 );
//Image *HighlightEdges( Rgb colour, const Polygon &polygon );
void Timestamp( const char *label, const time_t when, const Coord &coord, const int size );
void Colourise(const unsigned int p_reqcolours, const unsigned int p_reqsubpixelorder);
void DeColourise();
void Clear() { memset( buffer, 0, size ); }
void Fill( Rgb colour, const Box *limits=0 );
void Fill( Rgb colour, int density, const Box *limits=0 );
void Outline( Rgb colour, const Polygon &polygon );
void Fill( Rgb colour, const Polygon &polygon );
void Fill( Rgb colour, int density, const Polygon &polygon );
void Rotate( int angle );
void Flip( bool leftright );
void Scale( unsigned int factor );
void Deinterlace_Discard();
void Deinterlace_Linear();
void Deinterlace_Blend();
void Deinterlace_Blend_CustomRatio(int divider);
void Deinterlace_4Field(const Image* next_image, unsigned int threshold);
};
#endif // ZM_IMAGE_H
/* Blend functions */
void sse2_fastblend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent);
void std_fastblend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent);
void std_blend(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count, double blendpercent);
/* Delta functions */
void std_delta8_gray8(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void std_delta8_rgb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void std_delta8_bgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void std_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void std_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void std_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void std_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void sse2_delta8_gray8(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void sse2_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void sse2_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void sse2_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void sse2_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void ssse3_delta8_rgba(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void ssse3_delta8_bgra(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void ssse3_delta8_argb(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
void ssse3_delta8_abgr(const uint8_t* col1, const uint8_t* col2, uint8_t* result, unsigned long count);
/* Convert functions */
void std_convert_rgb_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void std_convert_bgr_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void std_convert_rgba_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void std_convert_bgra_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void std_convert_argb_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void std_convert_abgr_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void std_convert_yuyv_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void ssse3_convert_rgba_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void ssse3_convert_yuyv_gray8(const uint8_t* col1, uint8_t* result, unsigned long count);
void zm_convert_yuyv_rgb(const uint8_t* col1, uint8_t* result, unsigned long count);
void zm_convert_yuyv_rgba(const uint8_t* col1, uint8_t* result, unsigned long count);
void zm_convert_rgb555_rgb(const uint8_t* col1, uint8_t* result, unsigned long count);
void zm_convert_rgb555_rgba(const uint8_t* col1, uint8_t* result, unsigned long count);
void zm_convert_rgb565_rgb(const uint8_t* col1, uint8_t* result, unsigned long count);
void zm_convert_rgb565_rgba(const uint8_t* col1, uint8_t* result, unsigned long count);
/* Deinterlace_4Field functions */
void std_deinterlace_4field_gray8(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void std_deinterlace_4field_rgb(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void std_deinterlace_4field_bgr(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void std_deinterlace_4field_rgba(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void std_deinterlace_4field_bgra(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void std_deinterlace_4field_argb(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void std_deinterlace_4field_abgr(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void ssse3_deinterlace_4field_gray8(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void ssse3_deinterlace_4field_rgba(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void ssse3_deinterlace_4field_bgra(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void ssse3_deinterlace_4field_argb(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
void ssse3_deinterlace_4field_abgr(uint8_t* col1, uint8_t* col2, unsigned int threshold, unsigned int width, unsigned int height);
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