It seems many people do not understand its current documentation
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
---
libavutil/pixdesc.h | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index a4376b2..705377d 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -129,10 +129,14 @@ typedef struct AVPixFmtDescriptor {
* The pixel format contains RGB-like data (as opposed to YUV/grayscale).
*/
#define AV_PIX_FMT_FLAG_RGB (1 << 5)
+
/**
- * The pixel format is "pseudo-paletted". This means that FFmpeg treats it as
- * paletted internally, but the palette is generated by the decoder and is not
- * stored in the file.
+ * The pixel format is "pseudo-paletted". This means that it contains a
+ * fixed palette in the 2nd plane but the palette is fixed/constant for each
+ * PIX_FMT. This allows interpreting the data as if it was PAL8, which can
+ * in some cases be simpler. Or the data can be interpreted purely based on
+ * the pixel format without using the palette.
+ * An example of a pseudo-paletted format is AV_PIX_FMT_GRAY8
*/
#define AV_PIX_FMT_FLAG_PSEUDOPAL (1 << 6)
/**
--
1.7.9.5
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