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avcodec: validate the channel layout vs. channel count for decoders

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Set avctx->channel_layout to 0 if the channel count does not match
avctx->channels.
This commit is contained in:
Justin Ruggles 2012-04-04 10:47:45 -04:00
parent b2db35995f
commit 1337de0c4b
1 changed files with 9 additions and 0 deletions
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9
libavcodec/utils.c
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@ -810,6 +810,15 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD
goto free_and_end;
}
}
if (av_codec_is_decoder(avctx->codec)) {
/* validate channel layout from the decoder */
if (avctx->channel_layout &&
av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels) {
av_log(avctx, AV_LOG_WARNING, "channel layout does not match number of channels\n");
avctx->channel_layout = 0;
}
}
end:
entangled_thread_counter--;