> -Original Message-
> From: ffmpeg-devel On Behalf Of James
> Almer
> Sent: Thursday, September 17, 2020 11:37 AM
> To: ffmpeg-devel@ffmpeg.org
> Subject: Re: [FFmpeg-devel] [PATCH] avcodec/av1dec: Check tiles sizes, fix
> assert, don't read bytes bitwise
On 9/17/2020 12:19 AM, Andreas Rheinhardt wrote:
> Tiles have a size field with a length from one to four bytes. As such it
> is not possible to read it all at once with a call to get_bits() as this
> only allows to read up to 25 bits; this is guarded by an av_assert2. Yet
> this is done by the AV1
Tiles have a size field with a length from one to four bytes. As such it
is not possible to read it all at once with a call to get_bits() as this
only allows to read up to 25 bits; this is guarded by an av_assert2. Yet
this is done by the AV1 decoder in get_tiles_info(). It has been done
despite sa