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Code Issues Releases Activity

avformat/movenc: dont mark multichannel as mono tracks as containing the center channel

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Fixes Ticket3727

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-07-14 16:51:28 +02:00
parent ec24796731
commit 6821572499
2 changed files with 29 additions and 0 deletions
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28
libavformat/movenc.c
View File

@ -432,6 +432,9 @@ static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
return 0;
}
if (track->multichannel_as_mono)
return 0;
avio_wb32(pb, 0); // Size
ffio_wfourcc(pb, "chan"); // Type
avio_w8(pb, 0); // Version
@ -4120,6 +4123,31 @@ static int mov_write_header(AVFormatContext *s)
}
}
for (i = 0; i < s->nb_streams; i++) {
int j;
AVStream *st= s->streams[i];
MOVTrack *track= &mov->tracks[i];
if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
track->enc->channel_layout != AV_CH_LAYOUT_MONO)
continue;
for (j = 0; j < s->nb_streams; j++) {
AVStream *stj= s->streams[j];
MOVTrack *trackj= &mov->tracks[j];
if (j == i)
continue;
if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO ||
trackj->enc->channel_layout != AV_CH_LAYOUT_MONO ||
trackj->language != track->language ||
trackj->tag != track->tag
)
continue;
track->multichannel_as_mono++;
}
}
enable_tracks(s);

1
libavformat/movenc.h
View File

@ -100,6 +100,7 @@ typedef struct MOVTrack {
int tag; ///< stsd fourcc
AVStream *st;
AVCodecContext *enc;
int multichannel_as_mono;
int vos_len;
uint8_t *vos_data;