On Mon, Nov 14, 2016 at 11:47 PM, James Almer <jamr...@gmail.com> wrote: > On 11/14/2016 7:15 PM, Hendrik Leppkes wrote: >> On Mon, Nov 14, 2016 at 10:31 PM, Mark Thompson <s...@jkqxz.net> wrote: >>> On 14/11/16 00:57, Jun Zhao wrote: >>>> On 2016/11/11 16:29, Hendrik Leppkes wrote: >>>>> On Fri, Nov 11, 2016 at 9:09 AM, Jun Zhao <mypopy...@gmail.com> wrote: >>>>>> >>>>> >>>>> Do you have a sample file for this case? AFAIK all vc1 files I ever >>>>> saw worked with the DXVA2 hwaccel before, just want to make sure they >>>>> are not getting broken. >>>>> >>>>> - Hendrik >>>> >>>> We used the file fate-suite/vc1/SA10091.vc1, you can get the files with >>>> the command: >>>> rsync -aL rsync://fate-suite.ffmpeg.org:/fate-suite/ fate-suite. >>> >>> Can you describe your test setup(s) a bit more? >>> >>> I had a go at testing this with VAAPI. >>> >>> With the i965 driver on Skylake GT2, fate-vc1_sa10091 fails cleanly without >>> the patch, but gives a GPU hang with it. >>> >>> With the mesa driver on Polaris 11, fate-vc1_sa10091 passes without the >>> patch, but fails with it. >>> >>> I haven't really looked at VC-1 decode much before, so I'm not sure which >>> of these tests should pass. Still, the GPU hang is certainly bad (and >>> possibly the fault of the driver, but it would be helpful to be sure of >>> that if we want to apply this sort of change). >>> >>> More detailed results below. >> >> For the record, this makes DXVA2 decoding break more as well. Decoding >> is not correct before this patch on that sample (only the first slice >> looks ok), but after its entirely broken, with error messages to boot. >> >> I have some experience with vc1 hwaccel, at least with dxva2, and if I >> find some time I might look into what might be needed to make it work, >> but this patch seems to have issues. >> >> - Hendrik > > On a first gen GCN GPU, vc1_sa10091 passes but vc1_sa10143 fails using > DXVA2 and a recent driver. > > Did not test with this patch applied. >
I made 10091 work on my NVIDIA with DXVA2 by re-writing hwaccel slice support from scratch. 10143 still fails. I'll post patches once I got those all figured out. - Hendrik _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
