linux-kernel - Re: [PATCH RFC 00/12] media: hantro: H264 fixes and improvements

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Date:   Mon, 02 Sep 2019 10:02:14 -0300
From:   Ezequiel Garcia <ezequiel@...labora.com>
To:     Jonas Karlman <jonas@...boo.se>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-rockchip@...ts.infradead.org" 
        <linux-rockchip@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC 00/12] media: hantro: H264 fixes and improvements

Hi Jonas,

Thanks for the series, I'll be reviewing this shortly.

On Sun, 2019-09-01 at 12:42 +0000, Jonas Karlman wrote:
> This series contains fixes and improvements for the hantro H264 decoder.
> 
> Patch 1-6 fixes issues and limitations observed when preparing support
> for field encoded content.
> 
> Patch 7 introduce new DPB entry flags that is used to signal how a reference
> frame is referenced. This information is needed to correctly build a
> reference list for field encoded content.
> 
> Patch 8 adds bits to handle field encoded content, this is a rough patch
> and should be reworked with proper code style and formatting.
> Please get back with feedback on how to improve this.
> 
> The following samples from [1] are now playable with patch 1-8
> - H264_1080i-25-interlace_Kaesescheibchen.mkv
> - H264_10_1080i_50_AC3-Astra19.2_ProSieben_HD.ts
> - big_buck_bunny_1080p_H264_AAC_25fps_7200K.mp4
> - h264_tivo_sample.ts
> 
> The rest of the patches refactors G1 H264 code to more closely match
> the code generated by my rockchip-vpu-regtool at [2] and then adds
> support for H264 decoding on RK3399/RK3328 using the VPU2 block.
> This code is early work and needs proper code style and formatting,
> I just wanted to share the early work and get some initial feedback.
> 
> This series has been tested using ffmpeg v4l2 request hwaccel at [3] [4]
> 

What boards have you tested this on?

Thanks,
Ezequiel