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-rw-r--r--va/va_dec_jpeg.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/va/va_dec_jpeg.h b/va/va_dec_jpeg.h
index 685e3ff..4d79a11 100644
--- a/va/va_dec_jpeg.h
+++ b/va/va_dec_jpeg.h
@@ -87,6 +87,8 @@ typedef struct _VAPictureParameterBufferJPEGBaseline {
* The #load_quantization_table array can be used as a hint to notify
* the VA driver implementation about which table(s) actually changed
* since the last submission of this buffer.
+ *
+ * The #quantiser_table values are specified in zig-zag scan order.
*/
typedef struct _VAIQMatrixBufferJPEGBaseline {
/** \brief Specifies which #quantiser_table is valid. */