[FFmpeg-cvslog] avformat/mp3enc: Avoid SEEK_END as it is unsupported

Michael Niedermayer git at videolan.org
Mon May 27 20:04:08 EEST 2019


ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue May 14 12:12:29 2019 +0200| [bf3ee6a13053d37a0c5022a324624e89f0bce8c5] | committer: Michael Niedermayer

avformat/mp3enc: Avoid SEEK_END as it is unsupported

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bf3ee6a13053d37a0c5022a324624e89f0bce8c5
---

 libavformat/mp3enc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
index dd662f5473..f4814be80e 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)



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