[FFmpeg-cvslog] avfilter/fifo: explicitly assert that a frame should have become available after request

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Aug  9 09:28:11 2013 +0200| [190a5893d189cc5efbb41069901c1066e58910c9] | committer: Michael Niedermayer

avfilter/fifo: explicitly assert that a frame should have become available after request

May help tools like coverity

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=190a5893d189cc5efbb41069901c1066e58910c9
---

 libavfilter/fifo.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/fifo.c b/libavfilter/fifo.c
index efc8968..c6beaf6 100644
--- a/libavfilter/fifo.c
+++ b/libavfilter/fifo.c
@@ -201,6 +201,7 @@ static int return_audio_frame(AVFilterContext *ctx)
                     break;
                 } else if (ret < 0)
                     return ret;
+                av_assert0(s->root.next); // If ff_request_frame() succeeded then we should have a frame
             }
             head = s->root.next->frame;