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demux, player: mark dependent tracks

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ffmpeg marks audio tracks which are not meant to be played standalone
as DEPENDENT. these are typically used in DVB broadcasts for audio
descriptions, and are meant to be mixed into the main audio track during
playback.
This commit is contained in:
Aman Gupta
2018-04-15 18:39:45 -07:00
committed by Jan Ekström
parent c2a24323bc
commit b8de7d6ff3
4 changed files with 5 additions and 1 deletions
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2
demux/demux_lavf.c
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@@ -724,6 +724,8 @@ static void handle_new_stream(demuxer_t *demuxer, int i)
sh->title = talloc_asprintf(sh, "visual impaired");
if (!sh->title && st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
sh->title = talloc_asprintf(sh, "hearing impaired");
if (st->disposition & AV_DISPOSITION_DEPENDENT)
sh->dependent_track = true;
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
if (lang && lang->value)
sh->lang = talloc_strdup(sh, lang->value);

1
demux/stheader.h
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@@ -45,6 +45,7 @@ struct sh_stream {
char *lang; // language code
bool default_track; // container default track flag
bool forced_track; // container forced track flag
bool dependent_track; // container dependent track flag
int hls_bitrate;
struct mp_tags *tags;