[FFmpeg-cvslog] avformat/mpegenc: assert that premux_packet is non null

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Nov 24 16:52:19 2014 +0100| [1d242f9816ac8e17a74d2f77bd903fa8076d267a] | committer: Michael Niedermayer

avformat/mpegenc: assert that premux_packet is non null

Based on: 065923b0781b06a2604f69f4e2c2407b7750a854
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1d242f9816ac8e17a74d2f77bd903fa8076d267a
---

 libavformat/mpegenc.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c
index d3af9e1..b151506 100644
--- a/libavformat/mpegenc.c
+++ b/libavformat/mpegenc.c
@@ -1080,8 +1080,10 @@ retry:
         es_size              -= stream->premux_packet->unwritten_size;
         stream->premux_packet = stream->premux_packet->next;
     }
-    if (es_size)
+    if (es_size) {
+        av_assert0(stream->premux_packet);
         stream->premux_packet->unwritten_size -= es_size;
+    }
 
     if (remove_decoded_packets(ctx, s->last_scr) < 0)
         return -1;