Re: [PATCH v2 0/3] Add hantro g1 video decoder support for RK3588

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Hi Jianfeng,

On 2023-12-30 16:31, amazingfate wrote:
> Hi Jonas,
> 
> On Sat, 30 Dec 2023 12:49:38 +0100, Jonas Karlman <jonas@xxxxxxxxx> wrote:
>> I have only tested this fork of fluster with ffmpeg 6.x, what version of
>> ffmpeg did you test with? I was expecting it to also work on ffmpeg 5.x.
> 
> I am using ffmpeg 6.0 with v4l2-request patches from libreelec[1].

Great, that patch should match my v4l2-request-n6.0.1 branch [2],
and does not have any NV15/NV20 ffmpeg pix fmt patches that could
interfere.

[2] https://github.com/Kwiboo/FFmpeg/commits/v4l2-request-n6.0.1/

> Ffmpeg v4l2 decoder in fluster fork is using ffmpeg args:
> "-hwaccel_device /dev/dri/renderD128"
> which make the test fall with hantro g1 on rk3588. After removing it I
> can run tests by ffmpeg v4l2-request decoder. 

Thanks for confirming and testing again, and I fully understand why
"-hwaccel_device /dev/dri/renderD128" caused issues on rk3588 :-)

The commit "HACK: hwcontext_drm: do not require drm device" was required
to run ffmpeg without a hwaccel_device, and I tested fluster without it.

Regards,
Jonas

> 
> Rk3566 and rk3588 are sharing the same results:
> JVT-AVC_V1 test suite with decoder FFmpeg-H.264-V4L2-request:
>  Ran 127/135 tests successfully.
> JVT-FR_EXT test suite with decoder FFmpeg-H.264-V4L2-request:
>  Ran 44/69 tests successfully.
> VP8-TEST-VECTORS test suite with decoder FFmpeg-VP8-V4L2-request:
>  Ran 59/61 tests successfully.
> 
> [1] https://github.com/LibreELEC/LibreELEC.tv/blob/master/packages/multimedia/ffmpeg/patches/v4l2-request/ffmpeg-001-v4l2-request.patch
> 
> Regards,
> Jianfeng





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