[SCM] libav/experimental: Make av_fill_image_linesizes() return a meaningful error core rather than -1.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 46b1d17a6f41aaee2fbe4769ea95906935bf4f5f
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Fri Jul 30 08:42:15 2010 +0000

    Make av_fill_image_linesizes() return a meaningful error core rather
    than -1.
    
    Originally committed as revision 24589 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcore/imgutils.c b/libavcore/imgutils.c
index 28e063e..fb0b537 100644
--- a/libavcore/imgutils.c
+++ b/libavcore/imgutils.c
@@ -34,7 +34,7 @@ int av_fill_image_linesizes(int linesize[4], enum PixelFormat pix_fmt, int width
     memset(linesize, 0, 4*sizeof(linesize[0]));
 
     if (desc->flags & PIX_FMT_HWACCEL)
-        return -1;
+        return AVERROR(EINVAL);
 
     if (desc->flags & PIX_FMT_BITSTREAM) {
         linesize[0] = (width * (desc->comp[0].step_minus1+1) + 7) >> 3;

-- 
Libav/FFmpeg packaging