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

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Message-ID: <97faf49b-0109-439a-accf-251b502ad40b@kwiboo.se>
Date: Sat, 30 Dec 2023 12:49:38 +0100
From: Jonas Karlman <jonas@...boo.se>
To: amazingfate <liujianfeng1994@...il.com>, sigmaris@...il.com
Cc: ezequiel@...guardiasur.com.ar, p.zabel@...gutronix.de,
 mchehab@...nel.org, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
 conor+dt@...nel.org, heiko@...ech.de, sfr@...b.auug.org.au,
 linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 0/3] Add hantro g1 video decoder support for RK3588

Hi,

On 2023-12-30 10:52, amazingfate wrote:
> Thanks for your test with fluster. I also tested on my rock-5b(rk3588)
> and orangepi-3b(rk3566) which are sharing the same hantro g1 ip. I am
> running on ubuntu jammy so I'm using gstreamer 1.20.1
> 
> rk3566 and rk3588 are sharing the same results:
> JVT-AVC_V1 test suite with decoder GStreamer-H.264-V4L2SL-Gst1.0:
>   Ran 112/135 tests successfully.
> JVT-FR_EXT test suite with decoder GStreamer-H.264-V4L2SL-Gst1.0:
>   Ran 27/69 tests successfully.
> VP8-TEST-VECTORS test suite with decoder GStreamer-VP8-V4L2SL-Gst1.0:
>   Ran 59/61 tests successfully.
> 
> H264 decoder test has less test case passing. I think that's because
> of my low gstreamer version. If you have a rk356x board I guess you
> will get the same result as rk3588. That should be the mainline support
> status of hantro g1 decoder.
> 
> For ffmpeg at the moment fluster doesn't support v4l2-request decoder.
> I tried Kwiboo's fork[1] but failed to pass tests with decoder
> FFmpeg-H.264-V4L2-request. I can decode video with ffmpeg command like:
> "ffmpeg -benchmark -hwaccel drm -hwaccel_output_format drm_prime -i Big_Buck_Bunny_1080_10s_30MB.mp4 -f null -"

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.

Please also note that ffmpeg v4l2-request patches at [2] contain some
NV15/NV20 ffmpeg pix_fmt patches that fail ffmpeg tests. They are not
needed for decoding of 10-bit frames using rkvdec but they are required
to be able to run fluster test suite JVT-FR_EXT on rkvdec. (hantro g1 do
not support 10-bit frames on rk)

[2] https://github.com/Kwiboo/FFmpeg/commits/v4l2-request-n6.1

Regards,
Jonas

> 
> [1] https://github.com/Kwiboo/fluster/tree/v4l2-request
>