summaryrefslogtreecommitdiff
path: root/libavutil/pixdesc.h
diff options
context:
space:
mode:
Diffstat (limited to 'libavutil/pixdesc.h')
-rw-r--r--libavutil/pixdesc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index dca56a71aa..59fd1fff25 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -99,6 +99,9 @@ typedef struct AVPixFmtDescriptor{
*/
#define PIX_FMT_PSEUDOPAL 64
+#define PIX_FMT_ALPHA 128 ///< The pixel format has an alpha channel
+
+
#if FF_API_PIX_FMT_DESC
/**
* The array of all the pixel format descriptors.