Any updates on this? Regards,
*Łukasz Krzciuk* Developer Vewd ul. Grabarska 2, Pegaz 2A, 50-079 Wrocław, Polska On Mon, Apr 16, 2018 at 9:16 AM, Łukasz Krzciuk <lkrzc...@vewd.com> wrote: > I agree, AV_LOG_INFO has been changed to AV_LOG_DEBUG. > > Regards, > > *Łukasz Krzciuk* > Developer > > Vewd > ul. Grabarska 2, Pegaz 2A, 50-079 Wrocław, Polska > > > On Fri, Apr 13, 2018 at 5:50 PM, Michael Niedermayer < > mich...@niedermayer.cc> wrote: > >> On Fri, Apr 13, 2018 at 03:44:40PM +0200, Łukasz Krzciuk wrote: >> > Hi, >> > >> > this change is needed according to OIPF spec: 8.4.2 AVComponent, >> > audioDescription case: >> > >> > 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 >> > >> > >> > Regards, >> > >> > *Łukasz Krzciuk* >> > Developer >> > >> > Vewd >> > ul. Grabarska 2, Pegaz 2A, 50-079 Wrocław, Polska >> >> > mpegts.c | 30 ++++++++++++++++++++++++++++++ >> > 1 file changed, 30 insertions(+) >> > 863b7bca7f23f9ea337fde33f5bb9265ef3b4270 >> 0001-avformat-mpegts-set-AV_DISPOSITION_DESCRIPTIONS-for-.patch >> > From 12ef5cdd9c443b1601dc98d910feac87233b1040 Mon Sep 17 00:00:00 2001 >> > From: =?UTF-8?q?=C5=81ukasz=20Krzciuk?= <lkrzc...@vewd.com> >> > Date: Fri, 13 Apr 2018 14:57:57 +0200 >> > Subject: [PATCH] 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 >> > --- >> > libavformat/mpegts.c | 30 ++++++++++++++++++++++++++++++ >> > 1 file changed, 30 insertions(+) >> > >> > diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c >> > index 37a6aa8..df2b3aa 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_INFO, "New track >> disposition for id %u: %u\n", st->id, st->disposition); >> >> AV_LOG_INFO is likely too noisy for normal usecases >> >> thx >> >> [...] >> >> -- >> Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB >> >> Rewriting code that is poorly written but fully understood is good. >> Rewriting code that one doesnt understand is a sign that one is less smart >> then the original author, trying to rewrite it will not make it better. >> >> _______________________________________________ >> ffmpeg-devel mailing list >> ffmpeg-devel@ffmpeg.org >> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel >> >> > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel