319 lines
12 KiB
C++
319 lines
12 KiB
C++
/*
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* ZoneMinder FFMPEG Interface, $Date$, $Revision$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef ZM_FFMPEG_H
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#define ZM_FFMPEG_H
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#include <stdint.h>
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#include "zm.h"
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#include "zm_image.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// AVUTIL
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#if HAVE_LIBAVUTIL_AVUTIL_H
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#include "libavutil/avassert.h"
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#include <libavutil/avutil.h>
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#include <libavutil/base64.h>
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#include <libavutil/mathematics.h>
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/* LIBAVUTIL_VERSION_CHECK checks for the right version of libav and FFmpeg
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* The original source is vlc (in modules/codec/avcodec/avcommon_compat.h)
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* a is the major version
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* b and c the minor and micro versions of libav
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* d and e the minor and micro versions of FFmpeg */
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#define LIBAVUTIL_VERSION_CHECK(a, b, c, d, e) \
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( (LIBAVUTIL_VERSION_MICRO < 100 && LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \
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(LIBAVUTIL_VERSION_MICRO >= 100 && LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(a, d, e) ) )
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#if LIBAVUTIL_VERSION_CHECK(50, 29, 0, 29, 0)
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#include <libavutil/opt.h>
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#else
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#include <libavcodec/opt.h>
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#endif
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#if LIBAVUTIL_VERSION_CHECK(54, 6, 0, 6, 0)
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#include <libavutil/imgutils.h>
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#endif
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#elif HAVE_FFMPEG_AVUTIL_H
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#include <ffmpeg/avutil.h>
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#include <ffmpeg/base64.h>
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#include <ffmpeg/mathematics.h>
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#include <ffmpeg/opt.h>
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#endif /* HAVE_LIBAVUTIL_AVUTIL_H */
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#if defined(HAVE_LIBAVUTIL_AVUTIL_H)
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#if LIBAVUTIL_VERSION_CHECK(51, 42, 0, 74, 100)
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#define _AVPIXELFORMAT AVPixelFormat
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#else
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#define _AVPIXELFORMAT PixelFormat
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#define AV_PIX_FMT_NONE PIX_FMT_NONE
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#define AV_PIX_FMT_RGB444 PIX_FMT_RGB444
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#define AV_PIX_FMT_RGB555 PIX_FMT_RGB555
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#define AV_PIX_FMT_RGB565 PIX_FMT_RGB565
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#define AV_PIX_FMT_BGR24 PIX_FMT_BGR24
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#define AV_PIX_FMT_RGB24 PIX_FMT_RGB24
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#define AV_PIX_FMT_BGRA PIX_FMT_BGRA
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#define AV_PIX_FMT_ARGB PIX_FMT_ARGB
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#define AV_PIX_FMT_ABGR PIX_FMT_ABGR
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#define AV_PIX_FMT_RGBA PIX_FMT_RGBA
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#define AV_PIX_FMT_GRAY8 PIX_FMT_GRAY8
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#define AV_PIX_FMT_YUYV422 PIX_FMT_YUYV422
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#define AV_PIX_FMT_YUV422P PIX_FMT_YUV422P
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#define AV_PIX_FMT_YUV411P PIX_FMT_YUV411P
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#define AV_PIX_FMT_YUV444P PIX_FMT_YUV444P
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#define AV_PIX_FMT_YUV410P PIX_FMT_YUV410P
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#define AV_PIX_FMT_YUV420P PIX_FMT_YUV420P
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#define AV_PIX_FMT_YUVJ444P PIX_FMT_YUVJ444P
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#define AV_PIX_FMT_UYVY422 PIX_FMT_UYVY422
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#define AV_PIX_FMT_YUVJ420P PIX_FMT_YUVJ420P
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#define AV_PIX_FMT_YUVJ422P PIX_FMT_YUVJ422P
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#define AV_PIX_FMT_UYVY422 PIX_FMT_UYVY422
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#define AV_PIX_FMT_UYYVYY411 PIX_FMT_UYYVYY411
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#define AV_PIX_FMT_BGR565 PIX_FMT_BGR565
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#define AV_PIX_FMT_BGR555 PIX_FMT_BGR555
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#define AV_PIX_FMT_BGR8 PIX_FMT_BGR8
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#define AV_PIX_FMT_BGR4 PIX_FMT_BGR4
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#define AV_PIX_FMT_BGR4_BYTE PIX_FMT_BGR4_BYTE
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#define AV_PIX_FMT_RGB8 PIX_FMT_RGB8
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#define AV_PIX_FMT_RGB4 PIX_FMT_RGB4
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#define AV_PIX_FMT_RGB4_BYTE PIX_FMT_RGB4_BYTE
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#define AV_PIX_FMT_NV12 PIX_FMT_NV12
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#define AV_PIX_FMT_NV21 PIX_FMT_NV21
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#define AV_PIX_FMT_RGB32_1 PIX_FMT_RGB32_1
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#define AV_PIX_FMT_BGR32_1 PIX_FMT_BGR32_1
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#define AV_PIX_FMT_GRAY16BE PIX_FMT_GRAY16BE
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#define AV_PIX_FMT_GRAY16LE PIX_FMT_GRAY16LE
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#define AV_PIX_FMT_YUV440P PIX_FMT_YUV440P
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#define AV_PIX_FMT_YUVJ440P PIX_FMT_YUVJ440P
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#define AV_PIX_FMT_YUVA420P PIX_FMT_YUVA420P
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//#define AV_PIX_FMT_VDPAU_H264 PIX_FMT_VDPAU_H264
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//#define AV_PIX_FMT_VDPAU_MPEG1 PIX_FMT_VDPAU_MPEG1
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//#define AV_PIX_FMT_VDPAU_MPEG2 PIX_FMT_VDPAU_MPEG2
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#endif
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#endif /* HAVE_LIBAVUTIL_AVUTIL_H */
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// AVCODEC
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#if HAVE_LIBAVCODEC_AVCODEC_H
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#include <libavcodec/avcodec.h>
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/*
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* LIBAVCODEC_VERSION_CHECK checks for the right version of libav and FFmpeg
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* The original source is vlc (in modules/codec/avcodec/avcommon_compat.h)
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* a is the major version
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* b and c the minor and micro versions of libav
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* d and e the minor and micro versions of FFmpeg */
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#define LIBAVCODEC_VERSION_CHECK(a, b, c, d, e) \
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( (LIBAVCODEC_VERSION_MICRO < 100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \
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(LIBAVCODEC_VERSION_MICRO >= 100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(a, d, e) ) )
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#elif HAVE_FFMPEG_AVCODEC_H
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#include <ffmpeg/avcodec.h>
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#endif /* HAVE_LIBAVCODEC_AVCODEC_H */
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#if defined(HAVE_LIBAVCODEC_AVCODEC_H)
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#if LIBAVCODEC_VERSION_CHECK(54, 25, 0, 51, 100)
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#define _AVCODECID AVCodecID
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#else
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#define _AVCODECID CodecID
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#endif
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#endif /* HAVE_LIBAVCODEC_AVCODEC_H */
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// AVFORMAT
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#if HAVE_LIBAVFORMAT_AVFORMAT_H
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#include <libavformat/avformat.h>
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/* LIBAVFORMAT_VERSION_CHECK checks for the right version of libav and FFmpeg
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* The original source is vlc (in modules/codec/avcodec/avcommon_compat.h)
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* a is the major version
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* b and c the minor and micro versions of libav
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* d and e the minor and micro versions of FFmpeg */
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#define LIBAVFORMAT_VERSION_CHECK(a, b, c, d, e) \
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( (LIBAVFORMAT_VERSION_MICRO < 100 && LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \
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(LIBAVFORMAT_VERSION_MICRO >= 100 && LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(a, d, e) ) )
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#elif HAVE_FFMPEG_AVFORMAT_H
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#include <ffmpeg/avformat.h>
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#endif /* HAVE_LIBAVFORMAT_AVFORMAT_H */
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// AVDEVICE
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#if HAVE_LIBAVDEVICE_AVDEVICE_H
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#include <libavdevice/avdevice.h>
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/* LIBAVDEVICE_VERSION_CHECK checks for the right version of libav and FFmpeg
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* a is the major version
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* b and c the minor and micro versions of libav
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* d and e the minor and micro versions of FFmpeg */
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#define LIBAVDEVICE_VERSION_CHECK(a, b, c, d, e) \
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( (LIBAVDEVICE_VERSION_MICRO < 100 && LIBAVDEVICE_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \
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(LIBAVDEVICE_VERSION_MICRO >= 100 && LIBAVDEVICE_VERSION_INT >= AV_VERSION_INT(a, d, e) ) )
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#elif HAVE_FFMPEG_AVDEVICE_H
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#include <ffmpeg/avdevice.h>
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#endif /* HAVE_LIBAVDEVICE_AVDEVICE_H */
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// SWSCALE
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#if HAVE_LIBSWSCALE_SWSCALE_H
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#include <libswscale/swscale.h>
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/* LIBSWSCALE_VERSION_CHECK checks for the right version of libav and FFmpeg
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* a is the major version
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* b and c the minor and micro versions of libav
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* d and e the minor and micro versions of FFmpeg */
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#define LIBSWSCALE_VERSION_CHECK(a, b, c, d, e) \
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( (LIBSWSCALE_VERSION_MICRO < 100 && LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \
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(LIBSWSCALE_VERSION_MICRO >= 100 && LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(a, d, e) ) )
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#elif HAVE_FFMPEG_SWSCALE_H
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#include <ffmpeg/swscale.h>
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#endif /* HAVE_LIBSWSCALE_SWSCALE_H */
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#ifdef __cplusplus
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}
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#endif
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#if ( HAVE_LIBAVUTIL_AVUTIL_H || HAVE_LIBAVCODEC_AVCODEC_H || HAVE_LIBAVFORMAT_AVFORMAT_H || HAVE_LIBAVDEVICE_AVDEVICE_H )
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#if !LIBAVFORMAT_VERSION_CHECK(52, 107, 0, 107, 0)
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#if defined(AVIO_WRONLY)
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#define AVIO_FLAG_WRITE AVIO_WRONLY
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#else
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#define AVIO_FLAG_WRITE URL_WRONLY
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#endif
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#endif
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/* A single function to initialize ffmpeg, to avoid multiple initializations */
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void FFMPEGInit();
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#if HAVE_LIBAVUTIL
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enum _AVPIXELFORMAT GetFFMPEGPixelFormat(unsigned int p_colours, unsigned p_subpixelorder);
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#endif // HAVE_LIBAVUTIL
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/* SWScale wrapper class to make our life easier and reduce code reuse */
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#if HAVE_LIBSWSCALE && HAVE_LIBAVUTIL
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class SWScale {
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public:
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SWScale();
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~SWScale();
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int SetDefaults(enum _AVPIXELFORMAT in_pf, enum _AVPIXELFORMAT out_pf, unsigned int width, unsigned int height);
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int ConvertDefaults(const Image* img, uint8_t* out_buffer, const size_t out_buffer_size);
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int ConvertDefaults(const uint8_t* in_buffer, const size_t in_buffer_size, uint8_t* out_buffer, const size_t out_buffer_size);
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int Convert(const Image* img, uint8_t* out_buffer, const size_t out_buffer_size, enum _AVPIXELFORMAT in_pf, enum _AVPIXELFORMAT out_pf, unsigned int width, unsigned int height);
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int Convert(const uint8_t* in_buffer, const size_t in_buffer_size, uint8_t* out_buffer, const size_t out_buffer_size, enum _AVPIXELFORMAT in_pf, enum _AVPIXELFORMAT out_pf, unsigned int width, unsigned int height);
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protected:
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bool gotdefaults;
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struct SwsContext* swscale_ctx;
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AVFrame* input_avframe;
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AVFrame* output_avframe;
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enum _AVPIXELFORMAT default_input_pf;
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enum _AVPIXELFORMAT default_output_pf;
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unsigned int default_width;
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unsigned int default_height;
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};
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#endif // HAVE_LIBSWSCALE && HAVE_LIBAVUTIL
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#if !LIBAVCODEC_VERSION_CHECK(54, 25, 0, 51, 100)
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#define AV_CODEC_ID_NONE CODEC_ID_NONE
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#define AV_CODEC_ID_PCM_MULAW CODEC_ID_PCM_MULAW
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#define AV_CODEC_ID_PCM_ALAW CODEC_ID_PCM_ALAW
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#define AV_CODEC_ID_PCM_S16BE CODEC_ID_PCM_S16BE
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#define AV_CODEC_ID_QCELP CODEC_ID_QCELP
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#define AV_CODEC_ID_MP2 CODEC_ID_MP2
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#define AV_CODEC_ID_MP3 CODEC_ID_MP3
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#define AV_CODEC_ID_MJPEG CODEC_ID_MJPEG
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#define AV_CODEC_ID_H261 CODEC_ID_H261
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#define AV_CODEC_ID_MPEG1VIDEO CODEC_ID_MPEG1VIDEO
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#define AV_CODEC_ID_MPEG2VIDEO CODEC_ID_MPEG2VIDEO
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#define AV_CODEC_ID_MPEG2TS CODEC_ID_MPEG2TS
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#define AV_CODEC_ID_H263 CODEC_ID_H263
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#define AV_CODEC_ID_H264 CODEC_ID_H264
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#define AV_CODEC_ID_MPEG4 CODEC_ID_MPEG4
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#define AV_CODEC_ID_AAC CODEC_ID_AAC
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#define AV_CODEC_ID_AMR_NB CODEC_ID_AMR_NB
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#endif
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/*
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* Some versions of libav does not contain this definition.
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*/
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#ifndef AV_ERROR_MAX_STRING_SIZE
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#define AV_ERROR_MAX_STRING_SIZE 64
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#endif
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/*
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* C++ friendly version of av_err2str taken from http://libav-users.943685.n4.nabble.com/Libav-user-g-4-7-2-fails-to-compile-av-err2str-td4656417.html.
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* Newer g++ versions fail with "error: taking address of temporary array" when using native libav version.
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*/
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#ifdef __cplusplus
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inline static const std::string av_make_error_string(int errnum)
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{
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char errbuf[AV_ERROR_MAX_STRING_SIZE];
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#if LIBAVUTIL_VERSION_CHECK(50, 13, 0, 13, 0)
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av_strerror(errnum, errbuf, AV_ERROR_MAX_STRING_SIZE);
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#else
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snprintf(errbuf, AV_ERROR_MAX_STRING_SIZE, "libav error %d", errnum);
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#endif
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return (std::string)errbuf;
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}
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#undef av_err2str
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#define av_err2str(errnum) av_make_error_string(errnum).c_str()
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#endif // __cplusplus
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#endif // ( HAVE_LIBAVUTIL_AVUTIL_H || HAVE_LIBAVCODEC_AVCODEC_H || HAVE_LIBAVFORMAT_AVFORMAT_H || HAVE_LIBAVDEVICE_AVDEVICE_H )
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#ifndef avformat_alloc_output_context2
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int hacked_up_context2_for_older_ffmpeg(AVFormatContext **avctx, AVOutputFormat *oformat, const char *format, const char *filename);
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#define avformat_alloc_output_context2(x,y,z,a) hacked_up_context2_for_older_ffmpeg(x,y,z,a)
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#endif
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#ifndef av_rescale_delta
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/**
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* Rescale a timestamp while preserving known durations.
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*/
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int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts, AVRational fs_tb, int duration, int64_t *last, AVRational out_tb);
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#endif
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#ifndef av_clip64
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/**
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* Clip a signed 64bit integer value into the amin-amax range.
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* @param a value to clip
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* @param amin minimum value of the clip range
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* @param amax maximum value of the clip range
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* @return clipped value
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*/
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static av_always_inline av_const int64_t av_clip64_c(int64_t a, int64_t amin, int64_t amax)
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{
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if (a < amin) return amin;
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else if (a > amax) return amax;
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else return a;
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}
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#define av_clip64 av_clip64_c
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#endif
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void zm_dump_stream_format(AVFormatContext *ic, int i, int index, int is_output);
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#endif // ZM_FFMPEG_H
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