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flacdec: do not overwrite a channel layout set by the caller

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The channel layout mask for non-standard layouts is typically stored at
the container level (as a vorbiscomment tag) for FLAC.
This commit is contained in:
Anton Khirnov 2014-05-25 11:12:33 +02:00
parent 9767d7c092
commit f13ffb6636
1 changed files with 4 additions and 1 deletions
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5
libavcodec/flac.c
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@ -225,7 +225,10 @@ void avpriv_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *
avctx->channels = s->channels;
avctx->sample_rate = s->samplerate;
avctx->bits_per_raw_sample = s->bps;
ff_flac_set_channel_layout(avctx);
if (!avctx->channel_layout ||
av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels)
ff_flac_set_channel_layout(avctx);
s->samples = get_bits_long(&gb, 32) << 4;
s->samples |= get_bits(&gb, 4);