On Wed, Apr 23, 2025 at 01:45:20AM +0200, Michael Niedermayer wrote:
> Fixes: poc-iamf-2025-04
>
> Found-by: 苏童 <220235...@seu.edu.cn>
> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> ---
> libavformat/iamfdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> 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)
>
> // Swap back and side stream ids as our native channel layout
> ordering 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 >= 0 &&
> av_channel_layout_compare(&layer->ch_layout,
> + if (back_substream_id >= 0 && side_substream_id >= 0 &&
> av_channel_layout_compare(&layer->ch_layout,
>
> &(AVChannelLayout)AV_CHANNEL_LAYOUT_9POINT1POINT6)) {
> const IAMFSubStream *back_substream =
> &audio_element->substreams[back_substream_id];
> const IAMFSubStream *side_substream =
> &audio_element->substreams[side_substream_id];will apply [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB What is money laundering? Its paying someone and not telling the government.
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