On Tue, 2012-01-31 at 17:32 +0100, Christoph Evers wrote:
Hi folks,
i am not sure whether this issue belongs to the libva mailinglist or
this one. I'll give it a try :-)
You can send all VAAPI related mail to li...@lists.freedesktop.org
For testing purpose I switched to vaapi-ext branch of intel-driver and
libva (master is working fine).
I am using xine-lib-vaapi for playback with xine which uses a vaapi
accelerated ffmpeg: https://github.com/huceke/xine-lib-vaapi
H.264 (non interlaced) files are played fine, but with MPEG2
(interlaced/non-interlaced) the vaapi intel driver throws an exception:
Do you mean playing with a frame coded video also triggers the Assert?
xine: i965_drv_video.c:2075: i965_check_alloc_surface_bo: assertion
obj_surface-fourcc == fourcc failed.
Obviously, the obj_surface fourcc (NV12) does not fit to the fourcc of
the media (I420).
It seems there are other operations on this surface before decoding in
xine-lib-vaapi. I can't reproduce this issue with mplayer-vaapi
If I force NV12 in i965_media_mpeg2.c:517 playback is working (even
deinterlaced on Clarkdale) but naturally with the wrong color space.
The native pixel format for MPEG-2 decoding on Core i3 530 is I420.
Do you guys have any idea?
Christoph
Hardware: Core i3 530
Software: Ubuntu 11.11 x86 minimal with latest xorg stuff (edgers:ppa) and
vaapi-ext branch for libva and intel-vaapi (git 30012012)
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