[FFmpeg-cvslog] mp3enc: fix a triggerable assert

[Anton Khirnov]

ffmpeg | branch: release/2.2 | Anton Khirnov <anton at khirnov.net> | Fri Nov 14 20:20:50 2014 +0100| [871d99ef77336069e5a8ece947c8160d9bc4d5ea] | committer: Anton Khirnov

mp3enc: fix a triggerable assert

We have to check against the number of bytes actually needed, not the
theoretical maximum size.

(cherry picked from commit 12700b0219521a5f20c8ba47b3ad7857ea9e0554)
Signed-off-by: Anton Khirnov <anton at khirnov.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=871d99ef77336069e5a8ece947c8160d9bc4d5ea
---

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

diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
index 476d7f7..1eaa585 100644
--- a/libavformat/mp3enc.c
+++ b/libavformat/mp3enc.c
@@ -196,7 +196,7 @@ static void mp3_write_xing(AVFormatContext *s)
 
     avpriv_mpegaudio_decode_header(&mpah, header);
 
-    av_assert0(mpah.frame_size >= XING_MAX_SIZE);
+    av_assert0(mpah.frame_size >= bytes_needed);
 
     ffio_fill(s->pb, 0, xing_offset);
     mp3->xing_offset = avio_tell(s->pb);