/* * ZoneMinder FFMPEG 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_FFMPEG_H #define ZM_FFMPEG_H #include #include "zm.h" #include "zm_image.h" #ifdef __cplusplus extern "C" { #endif // AVUTIL #if HAVE_LIBAVUTIL_AVUTIL_H #include #include #include /* LIBAVUTIL_VERSION_CHECK checks for the right version of libav and FFmpeg * The original source is vlc (in modules/codec/avcodec/avcommon_compat.h) * a is the major version * b and c the minor and micro versions of libav * d and e the minor and micro versions of FFmpeg */ #define LIBAVUTIL_VERSION_CHECK(a, b, c, d, e) \ ( (LIBAVUTIL_VERSION_MICRO < 100 && LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \ (LIBAVUTIL_VERSION_MICRO >= 100 && LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(a, d, e) ) ) #if LIBAVUTIL_VERSION_CHECK(50, 29, 0, 29, 0) #include #else #include #endif #elif HAVE_FFMPEG_AVUTIL_H #include #include #include #include #endif /* HAVE_LIBAVUTIL_AVUTIL_H */ // AVCODEC #if HAVE_LIBAVCODEC_AVCODEC_H #include /* * LIBAVCODEC_VERSION_CHECK checks for the right version of libav and FFmpeg * The original source is vlc (in modules/codec/avcodec/avcommon_compat.h) * a is the major version * b and c the minor and micro versions of libav * d and e the minor and micro versions of FFmpeg */ #define LIBAVCODEC_VERSION_CHECK(a, b, c, d, e) \ ( (LIBAVCODEC_VERSION_MICRO < 100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \ (LIBAVCODEC_VERSION_MICRO >= 100 && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(a, d, e) ) ) #elif HAVE_FFMPEG_AVCODEC_H #include #endif /* HAVE_LIBAVCODEC_AVCODEC_H */ #if defined(HAVE_LIBAVCODEC_AVCODEC_H) #if LIBAVCODEC_VERSION_CHECK(54, 25, 0, 51, 100) #define _AVCODECID AVCodecID #else #define _AVCODECID CodecID #endif #endif /* HAVE_LIBAVCODEC_AVCODEC_H */ // AVFORMAT #if HAVE_LIBAVFORMAT_AVFORMAT_H #include /* LIBAVFORMAT_VERSION_CHECK checks for the right version of libav and FFmpeg * The original source is vlc (in modules/codec/avcodec/avcommon_compat.h) * a is the major version * b and c the minor and micro versions of libav * d and e the minor and micro versions of FFmpeg */ #define LIBAVFORMAT_VERSION_CHECK(a, b, c, d, e) \ ( (LIBAVFORMAT_VERSION_MICRO < 100 && LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \ (LIBAVFORMAT_VERSION_MICRO >= 100 && LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(a, d, e) ) ) #elif HAVE_FFMPEG_AVFORMAT_H #include #endif /* HAVE_LIBAVFORMAT_AVFORMAT_H */ // AVDEVICE #if HAVE_LIBAVDEVICE_AVDEVICE_H #include /* LIBAVDEVICE_VERSION_CHECK checks for the right version of libav and FFmpeg * a is the major version * b and c the minor and micro versions of libav * d and e the minor and micro versions of FFmpeg */ #define LIBAVDEVICE_VERSION_CHECK(a, b, c, d, e) \ ( (LIBAVDEVICE_VERSION_MICRO < 100 && LIBAVDEVICE_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \ (LIBAVDEVICE_VERSION_MICRO >= 100 && LIBAVDEVICE_VERSION_INT >= AV_VERSION_INT(a, d, e) ) ) #elif HAVE_FFMPEG_AVDEVICE_H #include #endif /* HAVE_LIBAVDEVICE_AVDEVICE_H */ // SWSCALE #if HAVE_LIBSWSCALE_SWSCALE_H #include /* LIBSWSCALE_VERSION_CHECK checks for the right version of libav and FFmpeg * a is the major version * b and c the minor and micro versions of libav * d and e the minor and micro versions of FFmpeg */ #define LIBSWSCALE_VERSION_CHECK(a, b, c, d, e) \ ( (LIBSWSCALE_VERSION_MICRO < 100 && LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(a, b, c) ) || \ (LIBSWSCALE_VERSION_MICRO >= 100 && LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(a, d, e) ) ) #elif HAVE_FFMPEG_SWSCALE_H #include #endif /* HAVE_LIBSWSCALE_SWSCALE_H */ #ifdef __cplusplus } #endif #if ( HAVE_LIBAVUTIL_AVUTIL_H || HAVE_LIBAVCODEC_AVCODEC_H || HAVE_LIBAVFORMAT_AVFORMAT_H || HAVE_LIBAVDEVICE_AVDEVICE_H ) #if !LIBAVFORMAT_VERSION_CHECK(52, 107, 0, 107, 0) #if defined(AVIO_WRONLY) #define AVIO_FLAG_WRITE AVIO_WRONLY #else #define AVIO_FLAG_WRITE URL_WRONLY #endif #endif /* Fix for not having SWS_CPU_CAPS_SSE2 defined */ #ifndef SWS_CPU_CAPS_SSE2 #define SWS_CPU_CAPS_SSE2 0x02000000 #endif #if HAVE_LIBAVUTIL enum PixelFormat GetFFMPEGPixelFormat(unsigned int p_colours, unsigned p_subpixelorder); #endif // HAVE_LIBAVUTIL /* SWScale wrapper class to make our life easier and reduce code reuse */ #if HAVE_LIBSWSCALE && HAVE_LIBAVUTIL class SWScale { public: SWScale(); ~SWScale(); int SetDefaults(enum PixelFormat in_pf, enum PixelFormat out_pf, unsigned int width, unsigned int height); int ConvertDefaults(const Image* img, uint8_t* out_buffer, const size_t out_buffer_size); int ConvertDefaults(const uint8_t* in_buffer, const size_t in_buffer_size, uint8_t* out_buffer, const size_t out_buffer_size); int Convert(const Image* img, uint8_t* out_buffer, const size_t out_buffer_size, enum PixelFormat in_pf, enum PixelFormat out_pf, unsigned int width, unsigned int height); int Convert(const uint8_t* in_buffer, const size_t in_buffer_size, uint8_t* out_buffer, const size_t out_buffer_size, enum PixelFormat in_pf, enum PixelFormat out_pf, unsigned int width, unsigned int height); protected: bool gotdefaults; struct SwsContext* swscale_ctx; AVFrame* input_avframe; AVFrame* output_avframe; enum PixelFormat default_input_pf; enum PixelFormat default_output_pf; unsigned int default_width; unsigned int default_height; }; #endif // HAVE_LIBSWSCALE && HAVE_LIBAVUTIL #if !LIBAVCODEC_VERSION_CHECK(54, 25, 0, 51, 100) #define AV_CODEC_ID_NONE CODEC_ID_NONE #define AV_CODEC_ID_PCM_MULAW CODEC_ID_PCM_MULAW #define AV_CODEC_ID_PCM_ALAW CODEC_ID_PCM_ALAW #define AV_CODEC_ID_PCM_S16BE CODEC_ID_PCM_S16BE #define AV_CODEC_ID_QCELP CODEC_ID_QCELP #define AV_CODEC_ID_MP2 CODEC_ID_MP2 #define AV_CODEC_ID_MP3 CODEC_ID_MP3 #define AV_CODEC_ID_MJPEG CODEC_ID_MJPEG #define AV_CODEC_ID_H261 CODEC_ID_H261 #define AV_CODEC_ID_MPEG1VIDEO CODEC_ID_MPEG1VIDEO #define AV_CODEC_ID_MPEG2VIDEO CODEC_ID_MPEG2VIDEO #define AV_CODEC_ID_MPEG2TS CODEC_ID_MPEG2TS #define AV_CODEC_ID_H263 CODEC_ID_H263 #define AV_CODEC_ID_H264 CODEC_ID_H264 #define AV_CODEC_ID_MPEG4 CODEC_ID_MPEG4 #define AV_CODEC_ID_AAC CODEC_ID_AAC #define AV_CODEC_ID_AMR_NB CODEC_ID_AMR_NB #endif /* * Some versions of libav does not contain this definition. */ #ifndef AV_ERROR_MAX_STRING_SIZE #define AV_ERROR_MAX_STRING_SIZE 64 #endif /* * 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. * Newer g++ versions fail with "error: taking address of temporary array" when using native libav version. */ #ifdef __cplusplus inline static const std::string av_make_error_string(int errnum) { char errbuf[AV_ERROR_MAX_STRING_SIZE]; #if LIBAVUTIL_VERSION_CHECK(50, 13, 0, 13, 0) av_strerror(errnum, errbuf, AV_ERROR_MAX_STRING_SIZE); #else snprintf(errbuf, AV_ERROR_MAX_STRING_SIZE, "libav error %d", errnum); #endif return (std::string)errbuf; } #undef av_err2str #define av_err2str(errnum) av_make_error_string(errnum).c_str() #endif // __cplusplus #endif // ( HAVE_LIBAVUTIL_AVUTIL_H || HAVE_LIBAVCODEC_AVCODEC_H || HAVE_LIBAVFORMAT_AVFORMAT_H || HAVE_LIBAVDEVICE_AVDEVICE_H ) #endif // ZM_FFMPEG_H