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avformat/apetag: Avoid stack packet when reading attached picture

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Read it directly into AVStream.attached_pic.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-03-18 17:02:39 +01:00
parent 34f4f57800
commit ab5803553b
1 changed files with 1 additions and 3 deletions
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4
libavformat/apetag.c
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@ -79,10 +79,9 @@ static int ape_tag_read_field(AVFormatContext *s)
av_dict_set(&st->metadata, key, filename, 0);
if ((id = ff_guess_image2_codec(filename)) != AV_CODEC_ID_NONE) {
AVPacket pkt;
int ret;
ret = av_get_packet(s->pb, &pkt, size);
ret = av_get_packet(s->pb, &st->attached_pic, size);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Error reading cover art.\n");
return ret;
@ -92,7 +91,6 @@ static int ape_tag_read_field(AVFormatContext *s)
st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
st->codecpar->codec_id = id;
st->attached_pic = pkt;
st->attached_pic.stream_index = st->index;
st->attached_pic.flags |= AV_PKT_FLAG_KEY;
} else {