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-rw-r--r--libavutil/pixdesc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index 312e89ac04..1d73e5db51 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -177,7 +177,8 @@ char *av_get_pix_fmt_string (char *buf, int buf_size, enum AVPixelFormat pix_fmt
/**
* Return the number of bits per pixel used by the pixel format
- * described by pixdesc.
+ * described by pixdesc. Note that this is not the same as the number
+ * of bits per sample.
*
* The returned number of bits refers to the number of bits actually
* used for storing the pixel information, that is padding bits are