On Tue, Oct 3, 2023 at 7:05 PM Vignesh Venkatasubramanian via ffmpeg-devel <
ffmpeg-devel@ffmpeg.org> wrote:
> This is not allowed per the spec.
>
> Signed-off-by: Vignesh Venkatasubramanian <vigne...@google.com>
> ---
> libavformat/mov.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 294c864fbd..a8f57f9281 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -4892,6 +4892,8 @@ static int avif_add_stream(MOVContext *c, int
> item_id)
> {
> MOVStreamContext *sc;
> AVStream *st;
> + if (c->fc->nb_streams)
> + return AVERROR_INVALIDDATA;
> int item_index = -1;
> for (int i = 0; i < c->avif_info_size; i++)
> if (c->avif_info[i].item_id == item_id) {
> --
>
lgtm
--
Vittorio
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