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avformat: Add fpsprobesize as an AVOption.

This commit is contained in:
Alex Converse 2011-05-09 14:34:23 -07:00 committed by Alex Converse
parent 80068da3a0
commit 30315a8d9c
5 changed files with 13 additions and 2 deletions
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3
doc/APIchanges
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@ -13,6 +13,9 @@ libavutil: 2011-04-18
API changes, most recent first:
2011-05-25 - XXXXXXX - lavf 53.1.0 - avformat.h
Add fps_probe_size to AVFormatContext.
2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
Add request_sample_fmt field to AVCodecContext.

5
libavformat/avformat.h
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@ -817,6 +817,11 @@ typedef struct AVFormatContext {
* - decoding: Unused.
*/
int64_t start_time_realtime;
/**
* decoding: number of frames used to probe fps
*/
int fps_probe_size;
} AVFormatContext;
typedef struct AVPacketList {

1
libavformat/options.c
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@ -57,6 +57,7 @@ static const AVOption options[]={
{"fdebug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, INT_MAX, E|D, "fdebug"},
{"ts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_FDEBUG_TS }, INT_MIN, INT_MAX, E|D, "fdebug"},
{"max_delay", "maximum muxing or demuxing delay in microseconds", OFFSET(max_delay), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E|D},
{"fpsprobesize", "number of frames used to probe fps", OFFSET(fps_probe_size), FF_OPT_TYPE_INT, -1, -1, INT_MAX-1, D},
{NULL},
};

2
libavformat/utils.c
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@ -2229,6 +2229,8 @@ int av_find_stream_info(AVFormatContext *ic)
the correct fps */
if (av_q2d(st->time_base) > 0.0005)
fps_analyze_framecount *= 2;
if (ic->fps_probe_size >= 0)
fps_analyze_framecount = ic->fps_probe_size;
/* variable fps and no guess at the real fps */
if( tb_unreliable(st->codec) && !(st->r_frame_rate.num && st->avg_frame_rate.num)
&& st->info->duration_count < fps_analyze_framecount

4
libavformat/version.h
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@ -24,8 +24,8 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 53
#define LIBAVFORMAT_VERSION_MINOR 0
#define LIBAVFORMAT_VERSION_MICRO 3
#define LIBAVFORMAT_VERSION_MINOR 1
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \