From 32125781487411ed3b1b28b32063d6cd4024d4fc Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Fri, 14 Nov 2014 12:54:52 +0100 Subject: mov: export audio service type as side data --- libavformat/mov.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 75bd5e94b5..c7d878207b 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -620,12 +620,18 @@ static int mov_read_esds(MOVContext *c, AVIOContext *pb, MOVAtom atom) static int mov_read_dac3(MOVContext *c, AVIOContext *pb, MOVAtom atom) { AVStream *st; + enum AVAudioServiceType *ast; int ac3info, acmod, lfeon, bsmod; if (c->fc->nb_streams < 1) return 0; st = c->fc->streams[c->fc->nb_streams-1]; + ast = (enum AVAudioServiceType*)ff_stream_new_side_data(st, AV_PKT_DATA_AUDIO_SERVICE_TYPE, + sizeof(*ast)); + if (!ast) + return AVERROR(ENOMEM); + ac3info = avio_rb24(pb); bsmod = (ac3info >> 14) & 0x7; acmod = (ac3info >> 11) & 0x7; @@ -634,9 +640,11 @@ static int mov_read_dac3(MOVContext *c, AVIOContext *pb, MOVAtom atom) st->codec->channel_layout = avpriv_ac3_channel_layout_tab[acmod]; if (lfeon) st->codec->channel_layout |= AV_CH_LOW_FREQUENCY; - st->codec->audio_service_type = bsmod; + *ast = bsmod; if (st->codec->channels > 1 && bsmod == 0x7) - st->codec->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE; + *ast = AV_AUDIO_SERVICE_TYPE_KARAOKE; + + st->codec->audio_service_type = *ast; return 0; } @@ -644,12 +652,18 @@ static int mov_read_dac3(MOVContext *c, AVIOContext *pb, MOVAtom atom) static int mov_read_dec3(MOVContext *c, AVIOContext *pb, MOVAtom atom) { AVStream *st; + enum AVAudioServiceType *ast; int eac3info, acmod, lfeon, bsmod; if (c->fc->nb_streams < 1) return 0; st = c->fc->streams[c->fc->nb_streams-1]; + ast = (enum AVAudioServiceType*)ff_stream_new_side_data(st, AV_PKT_DATA_AUDIO_SERVICE_TYPE, + sizeof(*ast)); + if (!ast) + return AVERROR(ENOMEM); + /* No need to parse fields for additional independent substreams and its * associated dependent substreams since libavcodec's E-AC-3 decoder * does not support them yet. */ @@ -662,9 +676,11 @@ static int mov_read_dec3(MOVContext *c, AVIOContext *pb, MOVAtom atom) if (lfeon) st->codec->channel_layout |= AV_CH_LOW_FREQUENCY; st->codec->channels = av_get_channel_layout_nb_channels(st->codec->channel_layout); - st->codec->audio_service_type = bsmod; + *ast = bsmod; if (st->codec->channels > 1 && bsmod == 0x7) - st->codec->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE; + *ast = AV_AUDIO_SERVICE_TYPE_KARAOKE; + + st->codec->audio_service_type = *ast; return 0; } -- cgit v1.2.3