aab01c86cf
Patch makes it possible to compile blender with recent ffmpeg and libav libraries, mainly by getting rid of deprecated API. Original patch by Campbell Barton with own modifications to support compilation with older ffmpeg versions. This patch could break compatibility of FFV1 videos playing back in older players, mainly because of alpha support changes. Preserving compatibility with such players became a headache and think it's high time to get rid of workarounds here.
243 lines
7.5 KiB
C
243 lines
7.5 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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* seperately.
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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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#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 ((LIBAVUTIL_VERSION_MAJOR > 51) || (LIBAVUTIL_VERSION_MAJOR == 51) && (LIBAVUTIL_VERSION_MINOR >= 32))
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#define FFMPEG_FFV1_ALPHA_SUPPORTED
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#else
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static 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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av_set_string3(obj, name, val, 1, &rv);
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return rv != NULL;
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}
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static 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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rv = av_set_int(obj, name, val);
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return rv != NULL;
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}
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static 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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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 ((LIBAVFORMAT_VERSION_MAJOR < 53) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR < 24)) || ((LIBAVFORMAT_VERSION_MAJOR == 53) && (LIBAVFORMAT_VERSION_MINOR < 24) && (LIBAVFORMAT_VERSION_MICRO < 2)))
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#define avformat_close_input(x) av_close_input_file(*(x))
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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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static 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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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 < 24))
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static 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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return av_new_stream(s, 0);
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}
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static 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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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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static 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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static 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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#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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static 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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static 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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static 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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#endif
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