> -----Original Message----- > From: Fu, Linjie > Sent: Friday, July 12, 2019 04:18 > To: ffmpeg-devel@ffmpeg.org > Cc: Fu, Linjie <linjie...@intel.com> > Subject: [PATCH,v2 2/2] lavc/vaapi_decode: recreate hw_frames_ctx for vp9 > without destroy va_context > > VP9 allows resolution changes per frame. Currently in VAAPI, resolution > changes leads to va context destroy and reinit. This will cause > reference frame surface lost and produce garbage. > > Though refs surface id could be passed to media driver and found in > RTtbl, vp9RefList[] in hal layer has already been destroyed. Thus the > new created VaContext could only got an empty RefList. > > As libva allows re-create surface separately without changing the > context, this issue could be handled by only recreating hw_frames_ctx. > > Set hwaccel_priv_data_keeping flag for vp9 to only recreating > hw_frame_ctx when dynamic resolution changing happens. > > Could be verified by: > ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -i > ./resolutions.ivf -pix_fmt p010le -f rawvideo -vframes 20 -y vaapi.yuv > > Signed-off-by: Linjie Fu <linjie...@intel.com> > --- Ping? This patch set fixes 1000+ dynamic resolution cases and makes great sense. Please feel free to comment.
Thanks, linjie _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
