Re: [FFmpeg-devel] [PATCH v2 2/2] avcodec/av1dec: Return error for unsupported tile list OBU

From: "Xiang, Haihao" <haihao.xiang-at-intel.com@ffmpeg.org>
To: "ffmpeg-devel@ffmpeg.org" <ffmpeg-devel@ffmpeg.org>
Cc: "Wang, Fei W" <fei.w.wang@intel.com>
Subject: Re: [FFmpeg-devel] [PATCH v2 2/2] avcodec/av1dec: Return error for unsupported tile list OBU
Date: Mon, 26 Feb 2024 07:05:27 +0000
Message-ID: <de90567ab5ab75f41100356b60edadb5220b6f36.camel@intel.com> (raw)
In-Reply-To: <20231228012403.1284848-2-fei.w.wang@intel.com>

On Do, 2023-12-28 at 09:24 +0800, fei.w.wang-at-intel.com@ffmpeg.org wrote:
> From: Fei Wang <fei.w.wang@intel.com>
> 
> Otherwise decoding maybe successful but output result is incorrect.
> 
> Signed-off-by: Fei Wang <fei.w.wang@intel.com>
> ---
>  libavcodec/av1dec.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
> index 198fe75aa0..41746b1f11 100644
> --- a/libavcodec/av1dec.c
> +++ b/libavcodec/av1dec.c
> @@ -1202,6 +1202,12 @@ static int av1_receive_frame_internal(AVCodecContext
> *avctx, AVFrame *frame)
>  
>          av_log(avctx, AV_LOG_DEBUG, "OBU idx:%d, type:%d, content
> available:%d.\n", i, unit->type, !!obu);
>  
> +        if (unit->type == AV1_OBU_TILE_LIST) {
> +            av_log(avctx, AV_LOG_ERROR, "Large scale tile decoding is
> unsupported.\n");
> +            ret = AVERROR_PATCHWELCOME;
> +            goto end;
> +        }
> +
>          if (!obu)
>              continue;
>  

Patchset LGTM, I'll merge them if there are no objections

Thanks
Haihao

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