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avformat/mov: don't error out on invalid gain map payloads

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Unless it's requested by the user's compliant level.
Allows demuxing some seemingly non spec-compliant files in the wild again after
the recent Gain Map support addition.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2026-10-20 20:53:05 -03:00
parent 8ec2b44cfd
commit 3b3dc211fe
1 changed files with 5 additions and 2 deletions
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7
libavformat/mov.c
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@@ -11683,9 +11683,12 @@ static int mov_parse_heif_layered_video_tmap(AVFormatContext *s, const HEIFGroup
err = av_gain_map_params_from_iso21496(gain, payload, tmap->item->extent_length - 1);
av_freep(&payload);
if (err < 0)
if (err < 0) {
av_log(s, AV_LOG_ERROR, "Invalid ISO 21496-1 gain map payload\n");
ff_remove_stream_group(s, stg);
err = (s->error_recognition & (AV_EF_COMPLIANT|AV_EF_EXPLODE)) ? AVERROR_INVALIDDATA : 0;
goto fail;
}
for (int j = 0; j < tmap->nb_items; j++) {
HEIFItem *item = tmap->item_list[j];
AVPacketSideData *sd;