[SCM] libav/experimental: Return AVERROR(EINVAL) rather than -1 in case of invalid values.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit ab3efd0077a5b81b71819c3a792bb0bc59b9d60d
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Thu Sep 30 20:24:49 2010 +0000

    Return AVERROR(EINVAL) rather than -1 in case of invalid values.
    
    Originally committed as revision 25274 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavfilter/vsrc_nullsrc.c b/libavfilter/vsrc_nullsrc.c
index 372cae3..f319ceb 100644
--- a/libavfilter/vsrc_nullsrc.c
+++ b/libavfilter/vsrc_nullsrc.c
@@ -39,7 +39,7 @@ static int init(AVFilterContext *ctx, const char *args, void *opaque)
 
     if (priv->w <= 0 || priv->h <= 0) {
         av_log(ctx, AV_LOG_ERROR, "Non-positive size values are not acceptable.\n");
-        return -1;
+        return AVERROR(EINVAL);
     }
 
     return 0;

-- 
Libav/FFmpeg packaging