Re: [PATCH v3 0/6] media: qcom: iris: add support for decoding 10bit formats

[Dmitry Baryshkov]

On Wed, May 13, 2026 at 06:02:19PM +0200, Neil Armstrong wrote:
> On 5/13/26 14:11, Neil Armstrong wrote:
> > Hi,
> > 
> > On 5/13/26 10:50, Wangao Wang wrote:
> > > I did testing on Purwa and found that the decoded raw data only has one frame, and there is also an alignment issue. Screenshots are in the attachment.
> > > I used the command you provided to generate the HDR H.265 stream, and tested with the same v4l2-ctrl command. Is there anything in the testing details that I might have missed?
> > 
> > Thanks for testing.
> > 
> > The screenshot you sent would imply the UV plane offset has an aligment
> > and is not directly after the Y plane as expected.
> > 
> > Let me check on my side, because I was able to successfully import
> > and display via GL, Vulkan and DRM on SM8550 and SM8650.
> 
> v4l2-ctl doesn't properly handle the events, could you try dumping with gstreamer instead ?
> 
> gst-launch-1.0 -v -m filesrc location=Big_Buck_Bunny_1080_10s_30MB_main10.h265 ! h265parse !  v4l2h265dec ! filesink location=out.yuv
> 
> The dump I have is good, the UV plane is right after the Y plane.
> 
> and also try to pass fluster:
> fluster download -c h.265
> fluster run -d GStreamer-H.265-V4L2 -ts JCT-VC-HEVC_V1 -q -s -j1
> 
> You should have 9/11 main10 streams passing.

Or it might be an error (or miscommunication) specific to Purwa.


-- 
With best wishes
Dmitry