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lavf: add a temporary compat layer for the channel layout API change

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Mediates between old-style (de)muxers and new-style callers. Will be
removed once all the (de)muxers are converted to the new API.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Anton Khirnov
2019-05-14 18:49:07 +02:00
committed by James Almer
parent 276c06726f
commit c30e22c9fb
2 changed files with 22 additions and 0 deletions
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12
libavformat/demux.c
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@@ -194,6 +194,18 @@ static int update_stream_avctx(AVFormatContext *s)
sti->parser = NULL;
}
/* if the demuxer exports old channel layouts, convert it to new */
if (!st->codecpar->ch_layout.nb_channels &&
st->codecpar->channels) {
if (st->codecpar->channel_layout) {
av_channel_layout_from_mask(&st->codecpar->ch_layout,
st->codecpar->channel_layout);
} else {
st->codecpar->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC;
st->codecpar->ch_layout.nb_channels = st->codecpar->channels;
}
}
/* update internal codec context, for the parser */
ret = avcodec_parameters_to_context(sti->avctx, st->codecpar);
if (ret < 0)