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-rw-r--r--libavcodec/utils.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index e4ea1e5bf7..68441881de 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -584,6 +584,8 @@ int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
ret = AVERROR(EINVAL);
goto free_and_end;
}
+ } else if (avctx->channel_layout) {
+ avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
}
}