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id3v2: Do not export empty APIC description

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APIC tags always have a description. Tag writers obviously leave it
empty if there is no description. In this case, libavformat would export
"" as title. Do not set the title instead.
This commit is contained in:
wm4 2015-05-08 18:19:12 +02:00 committed by Luca Barbato
parent b9f7a67708
commit 379e5603f4
1 changed files with 4 additions and 1 deletions
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5
libavformat/id3v2.c
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@ -763,7 +763,10 @@ int ff_id3v2_parse_apic(AVFormatContext *s, ID3v2ExtraMeta **extra_meta)
st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = apic->id;
av_dict_set(&st->metadata, "title", apic->description, 0);
if (apic->description[0])
av_dict_set(&st->metadata, "title", apic->description, 0);
av_dict_set(&st->metadata, "comment", apic->type, 0);
av_init_packet(&st->attached_pic);