diff options
Diffstat (limited to 'libavcodec/utils.c')
| -rw-r--r-- | libavcodec/utils.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index c08bad5e02..7c02d332b9 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -856,10 +856,15 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code 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; + if (avctx->channel_layout) { + int channels = av_get_channel_layout_nb_channels(avctx->channel_layout); + if (!avctx->channels) + avctx->channels = channels; + else if (channels != avctx->channels) { + av_log(avctx, AV_LOG_WARNING, + "channel layout does not match number of channels\n"); + avctx->channel_layout = 0; + } } } end: |