X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fmp3enc.c;h=f4814be80e17c85251186407baf46d92aaa4a0bb;hb=4a660fac9899191d4121cde02f2a98977b1303b6;hp=dd662f5473c8bd0b9f9f0c9d7acd2c8f1be41598;hpb=67d466d09b105b2b1d3d8da4c21d8975925741ae;p=ffmpeg

diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
index dd662f5473c..f4814be80e1 100644
--- a/libavformat/mp3enc.c
+++ b/libavformat/mp3enc.c
@@ -391,6 +391,7 @@ static void mp3_update_xing(AVFormatContext *s)
     uint16_t tag_crc;
     uint8_t *toc;
     int i, rg_size;
+    int64_t old_pos = avio_tell(s->pb);
 
     /* replace "Xing" identification string with "Info" for CBR files. */
     if (!mp3->has_variable_bitrate)
@@ -450,7 +451,7 @@ static void mp3_update_xing(AVFormatContext *s)
 
     avio_seek(s->pb,  mp3->xing_frame_offset, SEEK_SET);
     avio_write(s->pb, mp3->xing_frame, mp3->xing_frame_size);
-    avio_seek(s->pb, 0, SEEK_END);
+    avio_seek(s->pb, old_pos, SEEK_SET);
 }
 
 static int mp3_write_trailer(struct AVFormatContext *s)