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add AV_DISPOSITION_FORCED flag and use it in matroska demuxer 

Originally committed as revision 24003 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2010-07-02 16:38:44 +00:00
parent c01694c889
commit 7a617a8634
2 changed files with 8 additions and 1 deletions
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4
libavformat/avformat.h
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@ -396,6 +396,10 @@ typedef struct AVIndexEntry {
#define AV_DISPOSITION_COMMENT 0x0008
#define AV_DISPOSITION_LYRICS 0x0010
#define AV_DISPOSITION_KARAOKE 0x0020
/** Track should be used during playback by default.
Useful for subtitle track that should be displayed
even when user did not explicitly ask for subtitles. */
#define AV_DISPOSITION_FORCED 0x0040
/**
* Stream structure.

5
libavformat/matroskadec.c
View File

@ -139,6 +139,7 @@ typedef struct {
double time_scale;
uint64_t default_duration;
uint64_t flag_default;
uint64_t flag_forced;
MatroskaTrackVideo video;
MatroskaTrackAudio audio;
EbmlList encodings;
@ -336,11 +337,11 @@ static EbmlSyntax matroska_track[] = {
{ MATROSKA_ID_TRACKDEFAULTDURATION, EBML_UINT, 0, offsetof(MatroskaTrack,default_duration) },
{ MATROSKA_ID_TRACKTIMECODESCALE, EBML_FLOAT,0, offsetof(MatroskaTrack,time_scale), {.f=1.0} },
{ MATROSKA_ID_TRACKFLAGDEFAULT, EBML_UINT, 0, offsetof(MatroskaTrack,flag_default), {.u=1} },
{ MATROSKA_ID_TRACKFLAGFORCED, EBML_UINT, 0, offsetof(MatroskaTrack,flag_forced), {.u=0} },
{ MATROSKA_ID_TRACKVIDEO, EBML_NEST, 0, offsetof(MatroskaTrack,video), {.n=matroska_track_video} },
{ MATROSKA_ID_TRACKAUDIO, EBML_NEST, 0, offsetof(MatroskaTrack,audio), {.n=matroska_track_audio} },
{ MATROSKA_ID_TRACKCONTENTENCODINGS,EBML_NEST, 0, 0, {.n=matroska_track_encodings} },
{ MATROSKA_ID_TRACKFLAGENABLED, EBML_NONE },
{ MATROSKA_ID_TRACKFLAGFORCED, EBML_NONE },
{ MATROSKA_ID_TRACKFLAGLACING, EBML_NONE },
{ MATROSKA_ID_CODECNAME, EBML_NONE },
{ MATROSKA_ID_CODECDECODEALL, EBML_NONE },
@ -1391,6 +1392,8 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
if (track->flag_default)
st->disposition |= AV_DISPOSITION_DEFAULT;
if (track->flag_forced)
st->disposition |= AV_DISPOSITION_FORCED;
if (track->default_duration)
av_reduce(&st->codec->time_base.num, &st->codec->time_base.den,