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-rw-r--r--libavcore/audioconvert.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcore/audioconvert.h b/libavcore/audioconvert.h
index 0c6b979aec..89e9c55d17 100644
--- a/libavcore/audioconvert.h
+++ b/libavcore/audioconvert.h
@@ -80,6 +80,7 @@ int64_t av_get_channel_layout(const char *name);
/**
* Return a description of a channel layout.
+ * If nb_channels is <= 0, it is guessed from the channel_layout.
*
* @param buf put here the string containing the channel layout
* @param buf_size size in bytes of the buffer