[FFmpeg-cvslog] vsrc_buffer: when no frame is available, return an error instead of segfaulting.

[Anton Khirnov]

ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Sun Apr  1 15:18:00 2012 +0200| [a03f8ea0a8c70b72acc9d8307f1bba0f35c1d36e] | committer: Anton Khirnov

vsrc_buffer: when no frame is available, return an error instead of segfaulting.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a03f8ea0a8c70b72acc9d8307f1bba0f35c1d36e
---

 libavfilter/vsrc_buffer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavfilter/vsrc_buffer.c b/libavfilter/vsrc_buffer.c
index 665b33c..dfe5bf5 100644
--- a/libavfilter/vsrc_buffer.c
+++ b/libavfilter/vsrc_buffer.c
@@ -162,7 +162,7 @@ static int request_frame(AVFilterLink *link)
     if (!av_fifo_size(c->fifo)) {
         av_log(link->src, AV_LOG_ERROR,
                "request_frame() called with no available frame!\n");
-        //return -1;
+        return AVERROR(EINVAL);
     }
     av_fifo_generic_read(c->fifo, &buf, sizeof(buf), NULL);