450 lines
13 KiB
C++
450 lines
13 KiB
C++
/*
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* compatibility macros to make every ffmpeg installation appear
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* like the most current installation (wrapping some functionality sometimes)
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* it also includes all ffmpeg header files at once, no need to do it
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* separately.
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*
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* Copyright (c) 2011 Peter Schlaile
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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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*/
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#ifndef __FFMPEG_COMPAT_H__
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#define __FFMPEG_COMPAT_H__
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#include <libavformat/avformat.h>
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/* check our ffmpeg is new enough, avoids user complaints */
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#if (LIBAVFORMAT_VERSION_MAJOR < 52) || ((LIBAVFORMAT_VERSION_MAJOR == 52) && (LIBAVFORMAT_VERSION_MINOR <= 64))
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# error "FFmpeg 0.7 or newer is needed, Upgrade your FFmpeg or disable it"
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#endif
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/* end sanity check */
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/* visual studio 2012 does not define inline for C */
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#ifdef _MSC_VER
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# define FFMPEG_INLINE static __inline
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#else
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# define FFMPEG_INLINE static inline
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#endif
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#include <libavcodec/avcodec.h>
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#include <libavutil/rational.h>
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#include <libavutil/opt.h>
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#include <libavutil/mathematics.h>
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#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 101))
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# define FFMPEG_HAVE_PARSE_UTILS 1
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# include <libavutil/parseutils.h>
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#endif
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#include <libswscale/swscale.h>
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#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 105))
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# define FFMPEG_HAVE_AVIO 1
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#endif
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#if (LIBAVCODEC_VERSION_MAJOR > 53) || ((LIBAVCODEC_VERSION_MAJOR == 53) && (LIBAVCODEC_VERSION_MINOR > 1)) || ((LIBAVCODEC_VERSION_MAJOR == 53) && (LIBAVCODEC_VERSION_MINOR == 1) && (LIBAVCODEC_VERSION_MICRO >= 1)) || ((LIBAVCODEC_VERSION_MAJOR == 52) && (LIBAVCODEC_VERSION_MINOR >= 121))
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# define FFMPEG_HAVE_DEFAULT_VAL_UNION 1
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#endif
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#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 101))
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# define FFMPEG_HAVE_AV_DUMP_FORMAT 1
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#endif
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#if (LIBAVFORMAT_VERSION_MAJOR > 52) || ((LIBAVFORMAT_VERSION_MAJOR >= 52) && (LIBAVFORMAT_VERSION_MINOR >= 45))
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# define FFMPEG_HAVE_AV_GUESS_FORMAT 1
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#endif
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#if (LIBAVCODEC_VERSION_MAJOR > 52) || ((LIBAVCODEC_VERSION_MAJOR >= 52) && (LIBAVCODEC_VERSION_MINOR >= 23))
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# define FFMPEG_HAVE_DECODE_AUDIO3 1
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# define FFMPEG_HAVE_DECODE_VIDEO2 1
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#endif
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#if (LIBAVCODEC_VERSION_MAJOR > 52) || ((LIBAVCODEC_VERSION_MAJOR >= 52) && (LIBAVCODEC_VERSION_MINOR >= 64))
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# define FFMPEG_HAVE_AVMEDIA_TYPES 1
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR > 52) || (LIBAVCODEC_VERSION_MAJOR >= 52) && (LIBAVCODEC_VERSION_MINOR >= 29)) && \
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((LIBSWSCALE_VERSION_MAJOR > 0) || (LIBSWSCALE_VERSION_MAJOR >= 0) && (LIBSWSCALE_VERSION_MINOR >= 10))
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# define FFMPEG_SWSCALE_COLOR_SPACE_SUPPORT
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR > 54) || (LIBAVCODEC_VERSION_MAJOR >= 54) && (LIBAVCODEC_VERSION_MINOR > 14))
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# define FFMPEG_HAVE_CANON_H264_RESOLUTION_FIX
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR > 53) || (LIBAVCODEC_VERSION_MAJOR >= 53) && (LIBAVCODEC_VERSION_MINOR >= 60))
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# define FFMPEG_HAVE_ENCODE_AUDIO2
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR > 53) || (LIBAVCODEC_VERSION_MAJOR >= 53) && (LIBAVCODEC_VERSION_MINOR >= 42))
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# define FFMPEG_HAVE_DECODE_AUDIO4
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR > 54) || (LIBAVCODEC_VERSION_MAJOR >= 54) && (LIBAVCODEC_VERSION_MINOR >= 13))
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# define FFMPEG_HAVE_AVFRAME_SAMPLE_RATE
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#endif
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#if ((LIBAVUTIL_VERSION_MAJOR > 51) || (LIBAVUTIL_VERSION_MAJOR == 51) && (LIBAVUTIL_VERSION_MINOR >= 21))
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# define FFMPEG_FFV1_ALPHA_SUPPORTED
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# define FFMPEG_SAMPLE_FMT_S16P_SUPPORTED
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#else
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FFMPEG_INLINE
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int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt)
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{
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/* no planar formats in FFmpeg < 0.9 */
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(void) sample_fmt;
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return 0;
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}
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#endif
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/* FFmpeg upstream 1.0 is the first who added AV_ prefix. */
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 59, 100)
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# define AV_CODEC_ID_NONE CODEC_ID_NONE
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# define AV_CODEC_ID_MPEG4 CODEC_ID_MPEG4
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# define AV_CODEC_ID_MJPEG CODEC_ID_MJPEG
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# define AV_CODEC_ID_DNXHD CODEC_ID_DNXHD
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# define AV_CODEC_ID_MPEG2VIDEO CODEC_ID_MPEG2VIDEO
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# define AV_CODEC_ID_MPEG1VIDEO CODEC_ID_MPEG1VIDEO
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# define AV_CODEC_ID_DVVIDEO CODEC_ID_DVVIDEO
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# define AV_CODEC_ID_THEORA CODEC_ID_THEORA
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# define AV_CODEC_ID_PNG CODEC_ID_PNG
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# define AV_CODEC_ID_QTRLE CODEC_ID_QTRLE
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# define AV_CODEC_ID_FFV1 CODEC_ID_FFV1
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# define AV_CODEC_ID_HUFFYUV CODEC_ID_HUFFYUV
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# define AV_CODEC_ID_H264 CODEC_ID_H264
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# define AV_CODEC_ID_FLV1 CODEC_ID_FLV1
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# define AV_CODEC_ID_AAC CODEC_ID_AAC
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# define AV_CODEC_ID_AC3 CODEC_ID_AC3
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# define AV_CODEC_ID_MP3 CODEC_ID_MP3
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# define AV_CODEC_ID_MP2 CODEC_ID_MP2
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# define AV_CODEC_ID_FLAC CODEC_ID_FLAC
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# define AV_CODEC_ID_PCM_U8 CODEC_ID_PCM_U8
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# define AV_CODEC_ID_PCM_S16LE CODEC_ID_PCM_S16LE
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# define AV_CODEC_ID_PCM_S24LE CODEC_ID_PCM_S24LE
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# define AV_CODEC_ID_PCM_S32LE CODEC_ID_PCM_S32LE
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# define AV_CODEC_ID_PCM_F32LE CODEC_ID_PCM_F32LE
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# define AV_CODEC_ID_PCM_F64LE CODEC_ID_PCM_F64LE
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# define AV_CODEC_ID_VORBIS CODEC_ID_VORBIS
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#endif
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FFMPEG_INLINE
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int av_get_cropped_height_from_codec(AVCodecContext *pCodecCtx)
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{
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int y = pCodecCtx->height;
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#ifndef FFMPEG_HAVE_CANON_H264_RESOLUTION_FIX
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/* really bad hack to remove this dreadfull black bar at the bottom
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with Canon footage and old ffmpeg versions.
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(to fix this properly in older ffmpeg versions one has to write a new
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demuxer...)
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see the actual fix here for reference:
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http://git.libav.org/?p=libav.git;a=commit;h=30f515091c323da59c0f1b533703dedca2f4b95d
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We do our best to apply this only to matching footage.
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*/
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if (pCodecCtx->width == 1920 &&
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pCodecCtx->height == 1088 &&
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pCodecCtx->pix_fmt == PIX_FMT_YUVJ420P &&
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pCodecCtx->codec_id == AV_CODEC_ID_H264 ) {
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y = 1080;
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}
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#endif
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return y;
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}
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#if ((LIBAVUTIL_VERSION_MAJOR < 51) || (LIBAVUTIL_VERSION_MAJOR == 51) && (LIBAVUTIL_VERSION_MINOR < 22))
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FFMPEG_INLINE
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int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
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{
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const AVOption *rv = NULL;
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(void) search_flags;
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av_set_string3(obj, name, val, 1, &rv);
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return rv != NULL;
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}
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FFMPEG_INLINE
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int av_opt_set_int(void *obj, const char *name, int64_t val, int search_flags)
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{
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const AVOption *rv = NULL;
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(void) search_flags;
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rv = av_set_int(obj, name, val);
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return rv != NULL;
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}
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FFMPEG_INLINE
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int av_opt_set_double(void *obj, const char *name, double val, int search_flags)
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{
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const AVOption *rv = NULL;
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(void) search_flags;
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rv = av_set_double(obj, name, val);
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return rv != NULL;
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}
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# define AV_OPT_TYPE_INT FF_OPT_TYPE_INT
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# define AV_OPT_TYPE_INT64 FF_OPT_TYPE_INT64
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# define AV_OPT_TYPE_STRING FF_OPT_TYPE_STRING
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# define AV_OPT_TYPE_CONST FF_OPT_TYPE_CONST
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# define AV_OPT_TYPE_DOUBLE FF_OPT_TYPE_DOUBLE
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# define AV_OPT_TYPE_FLOAT FF_OPT_TYPE_FLOAT
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#endif
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#if ((LIBAVUTIL_VERSION_MAJOR < 51) || (LIBAVUTIL_VERSION_MAJOR == 51) && (LIBAVUTIL_VERSION_MINOR < 54))
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FFMPEG_INLINE
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enum AVSampleFormat av_get_packed_sample_fmt(enum AVSampleFormat sample_fmt)
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{
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if (sample_fmt < 0 || sample_fmt >= AV_SAMPLE_FMT_NB)
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return AV_SAMPLE_FMT_NONE;
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return sample_fmt;
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}
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR < 53) || (LIBAVCODEC_VERSION_MAJOR == 53 && LIBAVCODEC_VERSION_MINOR < 35))
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FFMPEG_INLINE
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int avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVDictionary **options)
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{
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/* TODO: no options are taking into account */
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(void) options;
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return avcodec_open(avctx, codec);
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}
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#endif
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#if ((LIBAVFORMAT_VERSION_MAJOR < 53) || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVFORMAT_VERSION_MINOR < 21))
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FFMPEG_INLINE
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AVStream *avformat_new_stream(AVFormatContext *s, AVCodec *c)
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{
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/* TODO: no codec is taking into account */
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(void) c;
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return av_new_stream(s, 0);
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}
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FFMPEG_INLINE
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int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
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{
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/* TODO: no options are taking into account */
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(void) options;
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return av_find_stream_info(ic);
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}
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#endif
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#if ((LIBAVFORMAT_VERSION_MAJOR > 53) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR > 32)) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR == 24) && (LIBAVFORMAT_VERSION_MICRO >= 100)))
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FFMPEG_INLINE
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void my_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp)
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{
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int i;
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for (i = 0; i < s->nb_streams; i++) {
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AVStream *st = s->streams[i];
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st->cur_dts = av_rescale(timestamp,
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st->time_base.den * (int64_t)ref_st->time_base.num,
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st->time_base.num * (int64_t)ref_st->time_base.den);
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}
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}
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FFMPEG_INLINE
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void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp)
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{
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my_update_cur_dts(s, ref_st, timestamp);
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}
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR < 54) || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR < 28))
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FFMPEG_INLINE
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void avcodec_free_frame(AVFrame **frame)
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{
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/* don't need to do anything with old AVFrame
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* since it does not have malloced members */
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(void)frame;
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}
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR > 54) || (LIBAVCODEC_VERSION_MAJOR >= 54) && (LIBAVCODEC_VERSION_MINOR >= 13))
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# define FFMPEG_HAVE_AVFRAME_SAMPLE_RATE
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#endif
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#if ((LIBAVCODEC_VERSION_MAJOR > 54) || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 13))
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# define FFMPEG_HAVE_FRAME_CHANNEL_LAYOUT
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#endif
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#ifndef FFMPEG_HAVE_AVIO
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# define AVIO_FLAG_WRITE URL_WRONLY
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# define avio_open url_fopen
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# define avio_tell url_ftell
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# define avio_close url_fclose
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# define avio_size url_fsize
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#endif
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/* there are some version inbetween, which have avio_... functions but no
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* AVIO_FLAG_... */
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#ifndef AVIO_FLAG_WRITE
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# define AVIO_FLAG_WRITE URL_WRONLY
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#endif
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#ifndef AV_PKT_FLAG_KEY
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# define AV_PKT_FLAG_KEY PKT_FLAG_KEY
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#endif
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#ifndef FFMPEG_HAVE_AV_DUMP_FORMAT
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# define av_dump_format dump_format
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#endif
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#ifndef FFMPEG_HAVE_AV_GUESS_FORMAT
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# define av_guess_format guess_format
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#endif
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#ifndef FFMPEG_HAVE_PARSE_UTILS
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# define av_parse_video_rate av_parse_video_frame_rate
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#endif
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#ifdef FFMPEG_HAVE_DEFAULT_VAL_UNION
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# define FFMPEG_DEF_OPT_VAL_INT(OPT) OPT->default_val.i64
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# define FFMPEG_DEF_OPT_VAL_DOUBLE(OPT) OPT->default_val.dbl
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#else
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# define FFMPEG_DEF_OPT_VAL_INT(OPT) OPT->default_val
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# define FFMPEG_DEF_OPT_VAL_DOUBLE(OPT) OPT->default_val
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#endif
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#ifndef FFMPEG_HAVE_AVMEDIA_TYPES
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# define AVMEDIA_TYPE_VIDEO CODEC_TYPE_VIDEO
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# define AVMEDIA_TYPE_AUDIO CODEC_TYPE_AUDIO
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#endif
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#ifndef FFMPEG_HAVE_DECODE_AUDIO3
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FFMPEG_INLINE
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int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
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int *frame_size_ptr, AVPacket *avpkt)
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{
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return avcodec_decode_audio2(avctx, samples,
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frame_size_ptr, avpkt->data,
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avpkt->size);
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}
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#endif
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#ifndef FFMPEG_HAVE_DECODE_VIDEO2
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FFMPEG_INLINE
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int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
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int *got_picture_ptr,
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AVPacket *avpkt)
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{
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return avcodec_decode_video(avctx, picture, got_picture_ptr,
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avpkt->data, avpkt->size);
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}
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#endif
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FFMPEG_INLINE
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int64_t av_get_pts_from_frame(AVFormatContext *avctx, AVFrame * picture)
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{
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int64_t pts = picture->pkt_pts;
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if (pts == AV_NOPTS_VALUE) {
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pts = picture->pkt_dts;
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}
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if (pts == AV_NOPTS_VALUE) {
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pts = 0;
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}
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(void)avctx;
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return pts;
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}
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/* obsolete constant formerly defined in FFMpeg libavcodec/avcodec.h */
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#ifndef AVCODEC_MAX_AUDIO_FRAME_SIZE
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# define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
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#endif
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 1, 0)
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FFMPEG_INLINE
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int avcodec_encode_video2(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *frame, int *got_output)
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{
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int outsize, ret;
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ret = av_new_packet(pkt, avctx->width * avctx->height * 7 + 10000);
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if (ret < 0)
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return ret;
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outsize = avcodec_encode_video(avctx, pkt->data, pkt->size, frame);
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if (outsize <= 0) {
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*got_output = 0;
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av_free_packet(pkt);
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}
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else {
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*got_output = 1;
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av_shrink_packet(pkt, outsize);
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if (avctx->coded_frame) {
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pkt->pts = avctx->coded_frame->pts;
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if (avctx->coded_frame->key_frame)
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pkt->flags |= AV_PKT_FLAG_KEY;
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}
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}
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return outsize >= 0 ? 0 : outsize;
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}
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#endif
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#if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(53, 17, 0)
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FFMPEG_INLINE
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void avformat_close_input(AVFormatContext **ctx)
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{
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av_close_input_file(*ctx);
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*ctx = NULL;
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}
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#endif
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#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(52, 8, 0)
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FFMPEG_INLINE
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AVFrame *av_frame_alloc(void)
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{
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return avcodec_alloc_frame();
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}
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FFMPEG_INLINE
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void av_frame_free(AVFrame **frame)
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{
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av_freep(frame);
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}
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#endif
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FFMPEG_INLINE
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AVRational av_get_r_frame_rate_compat(const AVStream *stream)
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{
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/* Stupid way to distinguish FFmpeg from Libav. */
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#if LIBAVCODEC_VERSION_MICRO >= 100
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return stream->r_frame_rate;
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#else
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# if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 23, 1)
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/* For until r_frame_rate was deprecated use it. */
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return stream->r_frame_rate;
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# else
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return stream->avg_frame_rate;
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# endif
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#endif
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}
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#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(51, 32, 0)
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# define AV_OPT_SEARCH_FAKE_OBJ 0
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#endif
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54, 59, 100)
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# define FFMPEG_HAVE_DEPRECATED_FLAGS2
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#endif
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#endif
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