From 0cc6dd1b817bc4510714dd99122625d93909290a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 19 May 2017 20:54:03 +0200 Subject: avformat/id3v2: Use ffio_ensure_seekback() in id3v2_read_internal() Signed-off-by: Michael Niedermayer --- libavformat/id3v2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'libavformat/id3v2.c') diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c index f7fa3ef856..05346350ad 100644 --- a/libavformat/id3v2.c +++ b/libavformat/id3v2.c @@ -1072,7 +1072,9 @@ static void id3v2_read_internal(AVIOContext *pb, AVDictionary **metadata, break; } - ret = avio_read(pb, buf, ID3v2_HEADER_SIZE); + ret = ffio_ensure_seekback(pb, ID3v2_HEADER_SIZE); + if (ret >= 0) + ret = avio_read(pb, buf, ID3v2_HEADER_SIZE); if (ret != ID3v2_HEADER_SIZE) { avio_seek(pb, off, SEEK_SET); break; -- cgit v1.2.3