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id3v1: Seek back to old position after reading.

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FFmpeg did not seek back to the original position, but to "0", making
reading a VBR tag impossible.
(issue 2645)

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Carl Eugen Hoyos 2011-03-25 19:46:27 +01:00 • committed by Ronald S. Bultje
parent c4549bd66a
commit 13eadbaca4
1 changed files with 2 additions and 1 deletions
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3
libavformat/id3v1.c
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@ -227,6 +227,7 @@ void ff_id3v1_read(AVFormatContext *s)
{ {
int ret, filesize; int ret, filesize;
uint8_t buf[ID3v1_TAG_SIZE]; uint8_t buf[ID3v1_TAG_SIZE];
int64_t position = avio_tell(s->pb);
if (!url_is_streamed(s->pb)) { if (!url_is_streamed(s->pb)) {
/* XXX: change that */ /* XXX: change that */
@ -237,7 +238,7 @@ void ff_id3v1_read(AVFormatContext *s)
if (ret == ID3v1_TAG_SIZE) { if (ret == ID3v1_TAG_SIZE) {
parse_tag(s, buf); parse_tag(s, buf);
} }
avio_seek(s->pb, 0, SEEK_SET); avio_seek(s->pb, position, SEEK_SET);
} }
} }
} }