diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-04-28 20:45:06 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-04-28 20:45:06 +0200 |
| commit | 9d7c1b4cf36737bde226d0f7bb4e271e61e4e8a6 (patch) | |
| tree | 07577504efcb323108e1fcb6d76499a863386589 /libavformat/mov.c | |
| parent | c31be45e144a5f4748c9b9d5b8802f254550a471 (diff) | |
| parent | 9b9df1cdff149db5bbe6726b236934c5b5fbe21d (diff) | |
| download | ffmpeg-9d7c1b4cf36737bde226d0f7bb4e271e61e4e8a6.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
h264: new assembly version of get_cabac for x86_64 with PIC
h264: use one table instead of several for cabac functions
h264: (trivial) remove unneeded macro argument in x86/cabac.h
libschroedingerdec: check malloc
segment: reorder seg_write_header allocation
avio: make avio_close(NULL) a no-op
mov: Parse EC3SpecificBox (dec3 atom).
Conflicts:
libavcodec/cabac.c
libavcodec/x86/cabac.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/mov.c')
| -rw-r--r-- | libavformat/mov.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 2f48f2e7ec..5a0353107b 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -596,6 +596,34 @@ static int mov_read_dac3(MOVContext *c, AVIOContext *pb, MOVAtom atom) return 0; } +static int mov_read_dec3(MOVContext *c, AVIOContext *pb, MOVAtom atom) +{ + AVStream *st; + int eac3info, acmod, lfeon, bsmod; + + if (c->fc->nb_streams < 1) + return 0; + st = c->fc->streams[c->fc->nb_streams-1]; + + /* 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. */ + avio_rb16(pb); /* data_rate and num_ind_sub */ + eac3info = avio_rb24(pb); + bsmod = (eac3info >> 12) & 0x1f; + acmod = (eac3info >> 9) & 0x7; + lfeon = (eac3info >> 8) & 0x1; + st->codec->channel_layout = avpriv_ac3_channel_layout_tab[acmod]; + 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; + if (st->codec->channels > 1 && bsmod == 0x7) + st->codec->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE; + + return 0; +} + static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom) { AVStream *st; @@ -2605,6 +2633,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = { { MKTAG('w','a','v','e'), mov_read_wave }, { MKTAG('e','s','d','s'), mov_read_esds }, { MKTAG('d','a','c','3'), mov_read_dac3 }, /* AC-3 info */ +{ MKTAG('d','e','c','3'), mov_read_dec3 }, /* EAC-3 info */ { MKTAG('w','i','d','e'), mov_read_wide }, /* place holder */ { MKTAG('w','f','e','x'), mov_read_wfex }, { MKTAG('c','m','o','v'), mov_read_cmov }, |