From: Nuo Mi <nuomi2021@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Cc: Frank Plowman <post@frankplowman.com>
Subject: Re: [FFmpeg-devel] [PATCH v4] lavc/vvc: Prevent overflow in chroma QP derivation
Date: Wed, 12 Jun 2024 20:55:00 +0800
Message-ID: <CAFXK13cF6hFLgX4THMQqoTX9WdxoF+5ZVVMmhZha4yr8hnQjbg@mail.gmail.com> (raw)
In-Reply-To: <20240609111824.39178-1-post@frankplowman.com>
On Sun, Jun 9, 2024 at 7:18 PM Frank Plowman <post@frankplowman.com> wrote:
> On the top of p. 112 in VVC (09/2023):
>
> It is a requirement of bitstream conformance that the values of
> qpInVal[ i ][ j ] and qpOutVal[ i ][ j ] shall be in the range
> of −QpBdOffset to 63, inclusive for i in the range of 0 to
> numQpTables − 1, inclusive, and j in the range of 0 to
> sps_num_points_in_qp_table_minus1[ i ] + 1, inclusive.
>
> Additionally, don't discard the return code from sps_chroma_qp_table.
>
> Applied.
Thank you, Frank
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prev parent reply other threads:[~2024-06-12 12:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-09 11:17 Frank Plowman
2024-06-12 12:55 ` Nuo Mi [this message]
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