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mov_chan: Only set the channel_layout if setting it to a nonzero value

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If regularly parsing new chan atoms (as in rtpdec_qt), but the
chan atoms don't actually contain any channel layout, don't reset
the value that the caller has filled in (by guessing).

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-09-07 10:45:16 +03:00
parent 5f72bc02f8
commit 7b699d8136
1 changed files with 4 additions and 3 deletions
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7
libavformat/mov_chan.c
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@ -579,9 +579,10 @@ int ff_mov_read_chan(AVFormatContext *s, AVIOContext *pb, AVStream *st,
label_mask |= mask_incr;
}
}
if (layout_tag == 0)
st->codec->channel_layout = label_mask;
else
if (layout_tag == 0) {
if (label_mask)
st->codec->channel_layout = label_mask;
} else
st->codec->channel_layout = ff_mov_get_channel_layout(layout_tag, bitmap);
return 0;