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Date: Tue, 13 May 2025 00:27:52 +0200
From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Message-ID: <20250512222752.GC29660@pb2>
References: <20250422234520.807983-1-michael@niedermayer.cc>
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Subject: Re: [FFmpeg-devel] [PATCH] avformat/iamfdec: Check
side_substream_id before use
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On Wed, Apr 23, 2025 at 01:45:20AM +0200, Michael Niedermayer wrote:
> Fixes: poc-iamf-2025-04
>=20
> Found-by: =E8=8B=8F=E7=AB=A5 <220235212@seu.edu.cn>
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavformat/iamfdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>=20
> diff --git a/libavformat/iamfdec.c b/libavformat/iamfdec.c
> index 0f273bdd438..3a6276dcdea 100644
> --- a/libavformat/iamfdec.c
> +++ b/libavformat/iamfdec.c
> @@ -126,7 +126,7 @@ static int iamf_read_header(AVFormatContext *s)
> =20
> // Swap back and side stream ids as our native channel layout or=
dering doen't match the
> // order from ITU-R - BS.2051-3 for Systems I and J (where side =
channels come before back ones).
> - if (back_substream_id >=3D 0 && av_channel_layout_compare(&layer=
->ch_layout,
> + if (back_substream_id >=3D 0 && side_substream_id >=3D 0 && av_c=
hannel_layout_compare(&layer->ch_layout,
> &(AVChan=
nelLayout)AV_CHANNEL_LAYOUT_9POINT1POINT6)) {
> const IAMFSubStream *back_substream =3D &audio_element->subs=
treams[back_substream_id];
> const IAMFSubStream *side_substream =3D &audio_element->subs=
treams[side_substream_id];
will apply
[...]
--=20
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
What is money laundering? Its paying someone and not telling the government.
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