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id3v2: pad the APIC packets as required by lavc.

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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
This commit is contained in:
Anton Khirnov 2013-03-28 09:49:38 +01:00
parent 3623589edc
commit 8d617b11cf
1 changed files with 3 additions and 2 deletions
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5
libavformat/id3v2.c
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@ -476,9 +476,10 @@ static void read_apic(AVFormatContext *s, AVIOContext *pb, int taglen, char *tag
goto fail;
}
apic->buf = av_buffer_alloc(taglen);
apic->buf = av_buffer_alloc(taglen + FF_INPUT_BUFFER_PADDING_SIZE);
if (!apic->buf || avio_read(pb, apic->buf->data, taglen) != taglen)
goto fail;
memset(apic->buf->data + taglen, 0, FF_INPUT_BUFFER_PADDING_SIZE);
new_extra->tag = "APIC";
new_extra->data = apic;
@ -735,7 +736,7 @@ int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
av_init_packet(&st->attached_pic);
st->attached_pic.buf = apic->buf;
st->attached_pic.data = apic->buf->data;
st->attached_pic.size = apic->buf->size;
st->attached_pic.size = apic->buf->size - FF_INPUT_BUFFER_PADDING_SIZE;
st->attached_pic.stream_index = st->index;
st->attached_pic.flags |= AV_PKT_FLAG_KEY;