Hi,
On Mon, 29 Mar 2010, Xiang, Haihao wrote:
The reference frame array in mplayer-vaapi-20090828 is filled with
h->ref_list however this array in mplayer-vaapi-20100224 is
filled with h->short_ref/h->long_ref except GMA500. My test against the branch
i965_h264 on libva shows that
mplayer-vaapi-20090828 is right for us. Here I don’t understand your comments
about GMA500 workaround in mplayer-vaapi-2010024.
Why is filling reference frame array with h->ref_list wrong?
Because this is RefPicList{0,1} and does not fully represent the DPB. This
also caused problems for other clips. Besides, FFmpeg's DPB is limited to
pictures marked as "used for reference", and capped to num_ref_frames as
reported in the bitstream.
h->short_ref/h->long_ref is what other HW accelerators use and work for
them. In my old testing with MPC-HC, this also works with the GMA500
driver for Windows 7.
Regards,
Gwenole.
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