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Message-ID: <5a1c9206-03b1-8ee7-546b-7981fc4294f1@collabora.com>
Date: Wed, 16 Nov 2022 09:39:06 +0100
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
To: Yunfei Dong <yunfei.dong@...iatek.com>,
Chen-Yu Tsai <wenst@...omium.org>,
Nicolas Dufresne <nicolas@...fresne.ca>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Tiffany Lin <tiffany.lin@...iatek.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
George Sun <george.sun@...iatek.com>,
Xiaoyong Lu <xiaoyong.lu@...iatek.com>,
Hsin-Yi Wang <hsinyi@...omium.org>,
Fritz Koenig <frkoenig@...omium.org>,
Daniel Vetter <daniel@...ll.ch>,
Steve Cho <stevecho@...omium.org>, linux-media@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v3] media: mediatek: vcodec: fix h264 cavlc bitstream fail
Il 16/11/22 06:56, Yunfei Dong ha scritto:
> Some cavlc bistream will decode fail when the frame size is smaller than
> 20 bytes. Need to add pending data at the end of the bitstream.
>
> For the minimum size of mapped memory is 256 bytes(16x16), adding four bytes data
> won't lead to access unknown virtual memory.
>
> Fixes: 59fba9eed5a7 ("media: mediatek: vcodec: support stateless H.264 decoding for mt8192")
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
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