avformat/mp3dec: Remove the ID3v1 tag removial code

The code is simply broken, the read packets are not aligned to
the mp3 frames, the file end or the id3 tag thus this simply
cannot reliably find the ID3v1 tag to remove it

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 0 insertions, 7 deletions

diff --git a/libavformat/mp3dec.c b/libavformat/mp3dec.c
index 841e0ca4b4..ff794ff277 100644
--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@@ -415,13 +415,6 @@ static int mp3_read_packet(AVFormatContext *s, AVPacket *pkt)
     pkt->flags &= ~AV_PKT_FLAG_CORRUPT;
     pkt->stream_index = 0;
 
-    if (ret >= ID3v1_TAG_SIZE &&
-        memcmp(&pkt->data[ret - ID3v1_TAG_SIZE], "TAG", 3) == 0)
-        ret -= ID3v1_TAG_SIZE;
-
-    /* note: we need to modify the packet size here to handle the last
-       packet */
-    pkt->size = ret;
     return ret;
 }