[FFmpeg-cvslog] ffmdec: fix infinite loop at EOF

Andreas Cadhalpun git at videolan.org
Mon Mar 9 03:23:29 CET 2015


ffmpeg | branch: master | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Sun Mar  8 23:31:48 2015 +0100| [6fa98822eba501a4898fdec5b75acd3026201005] | committer: Michael Niedermayer

ffmdec: fix infinite loop at EOF

If EOF is reached, while skipping bytes, avio_tell(pb) won't change
anymore, resulting in an infinite loop.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6fa98822eba501a4898fdec5b75acd3026201005
---

 libavformat/ffmdec.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/ffmdec.c b/libavformat/ffmdec.c
index 280a24c..96527a3 100644
--- a/libavformat/ffmdec.c
+++ b/libavformat/ffmdec.c
@@ -434,7 +434,7 @@ static int ffm2_read_header(AVFormatContext *s)
     }
 
     /* get until end of block reached */
-    while ((avio_tell(pb) % ffm->packet_size) != 0)
+    while ((avio_tell(pb) % ffm->packet_size) != 0 && !pb->eof_reached)
         avio_r8(pb);
 
     /* init packet demux */
@@ -561,7 +561,7 @@ static int ffm_read_header(AVFormatContext *s)
     }
 
     /* get until end of block reached */
-    while ((avio_tell(pb) % ffm->packet_size) != 0)
+    while ((avio_tell(pb) % ffm->packet_size) != 0 && !pb->eof_reached)
         avio_r8(pb);
 
     /* init packet demux */



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