[FFmpeg-cvslog] examples/muxing: check on frame

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Wed Oct 17 11:08:53 2012 +0200| [eda0a52bf161f9cbebbe348b7c20d4286555c4ab] | committer: Stefano Sabatini

examples/muxing: check on frame

Fix crash in case frame is not defined (e.g. with muxing out.wav).

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=eda0a52bf161f9cbebbe348b7c20d4286555c4ab
---

 doc/examples/muxing.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/examples/muxing.c b/doc/examples/muxing.c
index 22bbeca..b143a93 100644
--- a/doc/examples/muxing.c
+++ b/doc/examples/muxing.c
@@ -467,7 +467,8 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    frame->pts = 0;
+    if (frame)
+        frame->pts = 0;
     for (;;) {
         /* Compute current audio and video time. */
         if (audio_st)