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lavf/mp3enc: fix ID3v1 year metadata setting issue 

Follow the http://id3.org/ID3v1, setting the year metadata
for ID3v1.

fix #8623

Signed-off-by: Jun Zhao <barryjzhao@tencent.com>
This commit is contained in:
Jun Zhao 2020-04-20 15:59:39 +08:00
parent a9029703bb
commit 280383a897
1 changed files with 12 additions and 1 deletions
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13
libavformat/mp3enc.c
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@ -45,6 +45,7 @@ static int id3v1_set_string(AVFormatContext *s, const char *key,
return !!tag;
}
// refer to: http://id3.org/ID3v1
static int id3v1_create_tag(AVFormatContext *s, uint8_t *buf)
{
AVDictionaryEntry *tag;
@ -58,7 +59,17 @@ static int id3v1_create_tag(AVFormatContext *s, uint8_t *buf)
count += id3v1_set_string(s, "TIT2", buf + 3, 30 + 1); //title
count += id3v1_set_string(s, "TPE1", buf + 33, 30 + 1); //author|artist
count += id3v1_set_string(s, "TALB", buf + 63, 30 + 1); //album
count += id3v1_set_string(s, "TDRC", buf + 93, 4 + 1); //date
if ((tag = av_dict_get(s->metadata, "TYER", NULL, 0))) { //year
av_strlcpy(buf + 93, tag->value, 4 + 1);
count++;
} else if ((tag = av_dict_get(s->metadata, "TDRC", NULL, 0))) {
av_strlcpy(buf + 93, tag->value, 4 + 1);
count++;
} else if ((tag = av_dict_get(s->metadata, "TDAT", NULL, 0))) {
av_strlcpy(buf + 93, tag->value, 4 + 1);
count++;
}
count += id3v1_set_string(s, "comment", buf + 97, 30 + 1);
if ((tag = av_dict_get(s->metadata, "TRCK", NULL, 0))) { //track
buf[125] = 0;