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avformat/mpegts: set AV_DISPOSITION_DEPENDENT for mix_type=0 supplementary audio 

Signed-off-by: Aman Gupta <aman@tmm1.net>
This commit is contained in:
Aman Gupta 2018-02-23 13:38:33 -08:00
parent 61ecfbc32a
commit 4f40d64e00
4 changed files with 7 additions and 0 deletions
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1
fftools/ffmpeg.c
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@ -3592,6 +3592,7 @@ static int init_output_stream(OutputStream *ost, char *error, int error_len)
{ "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
{ "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
{ "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
{ "dependent" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEPENDENT }, .unit = "flags" },
{ "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
{ NULL },
};

1
libavformat/avformat.h
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@ -845,6 +845,7 @@ typedef struct AVStreamInternal AVStreamInternal;
#define AV_DISPOSITION_CAPTIONS 0x10000
#define AV_DISPOSITION_DESCRIPTIONS 0x20000
#define AV_DISPOSITION_METADATA 0x40000
#define AV_DISPOSITION_DEPENDENT 0x80000 ///< dependent audio stream (mix_type=0 in mpegts)
/**
* Options for behavior on timestamp wrap detection.

2
libavformat/dump.c
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@ -549,6 +549,8 @@ static void dump_stream_format(AVFormatContext *ic, int i,
av_log(NULL, AV_LOG_INFO, " (clean effects)");
if (st->disposition & AV_DISPOSITION_DESCRIPTIONS)
av_log(NULL, AV_LOG_INFO, " (descriptions)");
if (st->disposition & AV_DISPOSITION_DEPENDENT)
av_log(NULL, AV_LOG_INFO, " (dependent)");
av_log(NULL, AV_LOG_INFO, "\n");
dump_metadata(NULL, st->metadata, " ");

3
libavformat/mpegts.c
View File

@ -1904,6 +1904,9 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type
return AVERROR_INVALIDDATA;
flags = get8(pp, desc_end);
if ((flags & 0x80) == 0) /* mix_type */
st->disposition |= AV_DISPOSITION_DEPENDENT;
switch ((flags >> 2) & 0x1F) { /* editorial_classification */
case 0x01:
st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED;