[FFmpeg-cvslog] commit: Make config_props() return AVERROR(EINVAL) rather than 1 in case of (Stefano Sabatini )

[git at videolan.org]

ffmpeg | branch: master | Stefano Sabatini <stefano.sabatini-lala at poste.it> | Sun Jan 16 20:11:46 2011 +0000| [dccdd93efc325418136eb5a3509786bc8b65aca1] | committer: Stefano Sabatini 

Make config_props() return AVERROR(EINVAL) rather than 1 in case of
failed SWScaleContext initialization.

Fix issue2546.

Originally committed as revision 26395 to svn://svn.ffmpeg.org/ffmpeg/trunk

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dccdd93efc325418136eb5a3509786bc8b65aca1
---

 libavfilter/vf_scale.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 100ba2b..3f54913 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -138,8 +138,10 @@ static int config_props(AVFilterLink *outlink)
     scale->sws = sws_getContext(inlink ->w, inlink ->h, inlink ->format,
                                 outlink->w, outlink->h, outlink->format,
                                 scale->flags, NULL, NULL, NULL);
+    if (!scale->sws)
+        return AVERROR(EINVAL);
 
-    return !scale->sws;
+    return 0;
 }
 
 static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)