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- /*
- * 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 <stdint.h>
- #include "zm.h"
- #include "zm_image.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- // AVUTIL
- #if HAVE_LIBAVUTIL_AVUTIL_H
- #include <libavutil/avutil.h>
- #include <libavutil/base64.h>
- #include <libavutil/mathematics.h>
- #elif HAVE_FFMPEG_AVUTIL_H
- #include <ffmpeg/avutil.h>
- #include <ffmpeg/base64.h>
- #include <ffmpeg/mathematics.h>
- #endif
- // AVCODEC
- #if HAVE_LIBAVCODEC_AVCODEC_H
- #include <libavcodec/avcodec.h>
- #elif HAVE_FFMPEG_AVCODEC_H
- #include <ffmpeg/avcodec.h>
- #endif
- #if defined(HAVE_LIBAVCODEC_AVCODEC_H) && LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54,25,0)
- #define _AVCODECID AVCodecID
- #else
- #define _AVCODECID CodecID
- #endif
- // AVFORMAT
- #if HAVE_LIBAVFORMAT_AVFORMAT_H
- #include <libavformat/avformat.h>
- #elif HAVE_FFMPEG_AVFORMAT_H
- #include <ffmpeg/avformat.h>
- #endif
- // AVDEVICE
- #if HAVE_LIBAVDEVICE_AVDEVICE_H
- #include <libavdevice/avdevice.h>
- #elif HAVE_FFMPEG_AVDEVICE_H
- #include <ffmpeg/avdevice.h>
- #endif
- // SWSCALE
- #if HAVE_LIBSWSCALE_SWSCALE_H
- #include <libswscale/swscale.h>
- #elif HAVE_FFMPEG_SWSCALE_H
- #include <ffmpeg/swscale.h>
- #endif
- #ifdef __cplusplus
- }
- #endif
- #if ( HAVE_LIBAVUTIL_AVUTIL_H || HAVE_LIBAVCODEC_AVCODEC_H || HAVE_LIBAVFORMAT_AVFORMAT_H || HAVE_LIBAVDEVICE_AVDEVICE_H )
- #if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(53, 4, 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_INT < AV_VERSION_INT(54, 25, 0)
- #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_INT >= AV_VERSION_INT(50, 12, 13)
- 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
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