linux-kernel - Re: [PATCH 2/2] hantro: h264: Refuse to decode unsupported bitstream

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Date:   Mon, 29 Jun 2020 11:12:18 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Ezequiel Garcia <ezequiel@...labora.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org
Cc:     Hans Verkuil <hverkuil@...all.nl>, Jonas Karlman <jonas@...boo.se>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        kernel@...labora.com
Subject: Re: [PATCH 2/2] hantro: h264: Refuse to decode unsupported bitstream

On Fri, 2020-06-26 at 14:11 -0300, Ezequiel Garcia wrote:
> The hardware only supports 4:2:0 or 4:0:0 (monochrome),
> 8-bit depth content.
> 
> Verify that the PPS refers to a supported bitstream, and refuse
> unsupported bitstreams by failing at TRY_EXT_CTRLS time.
> 
> Given the JPEG compression level control is the only one
> that needs setting, a specific ops is provided.
> 
> Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

regards
Philipp