diff options
| author | Łukasz Krzciuk <lkrzciuk@vewd.com> | 2018-04-13 14:57:57 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-27 01:14:45 +0200 |
| commit | 48330500efd636b1540002b600257d8802badc69 (patch) | |
| tree | f35d85fc26decb62699882c3ae2fbe56bb8ab9a4 /libavformat/mpegts.c | |
| parent | 05c0f620bf1431f3959399234a543838050941f2 (diff) | |
| download | ffmpeg-streaming-48330500efd636b1540002b600257d8802badc69.zip ffmpeg-streaming-48330500efd636b1540002b600257d8802badc69.tar.gz | |
avformat/mpegts: set AV_DISPOSITION_DESCRIPTIONS for OIPF cases
1. an audio component with an ISO_639_language_descriptor in the PMT with the
audio_type field set to 0x03
2. a supplementary_audio_descriptor with the editorial_classification field set
to 0x01
3. an ac-3_descriptor or an enhanced_ac-3_descriptor with a component_type field
with the service_type flags set to Visually Impaired
Tested-by: Łukasz Krzciuk <lkrzciuk@vewd.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mpegts.c')
| -rw-r--r-- | libavformat/mpegts.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 37a6aa8..629631f 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -1835,6 +1835,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type break; case 0x03: st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED; + st->disposition |= AV_DISPOSITION_DESCRIPTIONS; break; } } @@ -1910,6 +1911,7 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type switch ((flags >> 2) & 0x1F) { /* editorial_classification */ case 0x01: st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED; + st->disposition |= AV_DISPOSITION_DESCRIPTIONS; break; case 0x02: st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED; @@ -1934,6 +1936,34 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type } } break; + case 0x6a: /* ac-3_descriptor */ + { + int component_type_flag = get8(pp, desc_end) & (1 << 7); + if (component_type_flag) { + int component_type = get8(pp, desc_end); + int service_type_mask = 0x38; // 0b00111000 + int service_type = ((component_type & service_type_mask) >> 3); + if (service_type == 0x02 /* 0b010 */) { + st->disposition |= AV_DISPOSITION_DESCRIPTIONS; + av_log(ts->stream, AV_LOG_DEBUG, "New track disposition for id %u: %u\n", st->id, st->disposition); + } + } + } + break; + case 0x7a: /* enhanced_ac-3_descriptor */ + { + int component_type_flag = get8(pp, desc_end) & (1 << 7); + if (component_type_flag) { + int component_type = get8(pp, desc_end); + int service_type_mask = 0x38; // 0b00111000 + int service_type = ((component_type & service_type_mask) >> 3); + if (service_type == 0x02 /* 0b010 */) { + st->disposition |= AV_DISPOSITION_DESCRIPTIONS; + av_log(ts->stream, AV_LOG_DEBUG, "New track disposition for id %u: %u\n", st->id, st->disposition); + } + } + } + break; default: break; } |
