diff options
-rw-r--r-- | libavformat/mpegts.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 2b55de9e46..600ef534f5 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -935,7 +935,17 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type language[1] = get8(pp, desc_end); language[2] = get8(pp, desc_end); language[3] = 0; - get8(pp, desc_end); + /* hearing impaired subtitles detection */ + switch(get8(pp, desc_end)) { + case 0x20: /* DVB subtitles (for the hard of hearing) with no monitor aspect ratio criticality */ + case 0x21: /* DVB subtitles (for the hard of hearing) for display on 4:3 aspect ratio monitor */ + case 0x22: /* DVB subtitles (for the hard of hearing) for display on 16:9 aspect ratio monitor */ + case 0x23: /* DVB subtitles (for the hard of hearing) for display on 2.21:1 aspect ratio monitor */ + case 0x24: /* DVB subtitles (for the hard of hearing) for display on a high definition monitor */ + case 0x25: /* DVB subtitles (for the hard of hearing) with plano-stereoscopic disparity for display on a high definition monitor */ + st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED; + break; + } if (st->codec->extradata) { if (st->codec->extradata_size == 4 && memcmp(st->codec->extradata, *pp, 4)) av_log_ask_for_sample(fc, "DVB sub with multiple IDs\n"); |