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authormultiple authors <multiple@multiple.x>2013-02-05 06:23:43 +0400
committerMichael Niedermayer <michaelni@gmx.at>2013-02-05 06:30:17 +0400
commit103a2c2b1757ac89c48cb76e5f8b5272d0329521 (patch)
treef7f97de8ef8befd9e880a28cd35c432e8f6dcb10 /libavfilter/libmpcodecs/mp_image.h
parent708ed15d8ccd5ae3d073cbd4dc69dafccec3fcc7 (diff)
libmpcodecs: update img_format.* & mp_image.* to latest from mplayer
Please see mplayer svn for authorship and individual commits Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/libmpcodecs/mp_image.h')
-rw-r--r--libavfilter/libmpcodecs/mp_image.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/libavfilter/libmpcodecs/mp_image.h b/libavfilter/libmpcodecs/mp_image.h
index d658ab03f1..35b50a60f1 100644
--- a/libavfilter/libmpcodecs/mp_image.h
+++ b/libavfilter/libmpcodecs/mp_image.h
@@ -42,7 +42,14 @@
//--- buffer content restrictions:
// set if buffer content shouldn't be modified:
#define MP_IMGFLAG_PRESERVE 0x01
-// set if buffer content will be READ for next frame's MC: (I/P mpeg frames)
+// set if buffer content will be READ.
+// This can be e.g. for next frame's MC: (I/P mpeg frames) -
+// then in combination with MP_IMGFLAG_PRESERVE - or it
+// can be because a video filter or codec will read a significant
+// amount of data while processing that frame (e.g. blending something
+// onto the frame, MV based intra prediction).
+// A frame marked like this should not be placed in to uncachable
+// video RAM for example.
#define MP_IMGFLAG_READABLE 0x02
//--- buffer width/stride/plane restrictions: (used for direct rendering)