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Code Issues Releases Activity

avformat/mov: don't abort on duplicate Mastering Display Metadata boxes

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The VP9 spec defines a SmDm box for this information, and the ISOBMFF spec defines a
mdvc one. If both are present, just ignore one of them.
This is in line with clli and CoLL boxes.

Fixes ticket #10711.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 189c32f536)
This commit is contained in:
James Almer 2024-03-26 21:11:20 -03:00
parent 7852c24b24
commit 4ee74fc46d
1 changed files with 10 additions and 3 deletions
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13
libavformat/mov.c
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@ -5622,8 +5622,10 @@ static int mov_read_smdm(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_log(c->fc, AV_LOG_WARNING, "Unsupported Mastering Display Metadata box version %d\n", version);
return 0;
}
if (sc->mastering)
return AVERROR_INVALIDDATA;
if (sc->mastering) {
av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate Mastering Display Metadata\n");
return 0;
}
avio_skip(pb, 3); /* flags */
@ -5660,11 +5662,16 @@ static int mov_read_mdcv(MOVContext *c, AVIOContext *pb, MOVAtom atom)
sc = c->fc->streams[c->fc->nb_streams - 1]->priv_data;
if (atom.size < 24 || sc->mastering) {
if (atom.size < 24) {
av_log(c->fc, AV_LOG_ERROR, "Invalid Mastering Display Color Volume box\n");
return AVERROR_INVALIDDATA;
}
if (sc->mastering) {
av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate Mastering Display Color Volume\n");
return 0;
}
sc->mastering = av_mastering_display_metadata_alloc();
if (!sc->mastering)
return AVERROR(ENOMEM);