scale video for snow iterative me down so the egression test is faster

Originally committed as revision 4888 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/ffmpeg.regression.ref

@@ -119,10 +119,10 @@ a7ef4746f27be309138c188e327d3ebe *./data/a-ffv1.avi
 2653642 ./data/a-ffv1.avi
 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv
 stddev:  0.00 PSNR:99.99 bytes:7602176
-9d31a15d72fa93361ebad395033b66c2 *./data/a-snow.avi
+96ee2a2a6af9d4e95dfb41b485357d31 *./data/a-snow.avi
-1198972 ./data/a-snow.avi
+161058 ./data/a-snow.avi
-1a4a23e8171798328db571cce2654df4 *./data/out.yuv
+f665aeec3668e7d8c962e74d3a0a0692 *./data/out.yuv
-stddev:  2.90 PSNR:38.87 bytes:7602176
+stddev: 23.20 PSNR:20.81 bytes:7602176
 11fd61ee7e67ef7a7b2a3df973691305 *./data/a-snow53.avi
 3533710 ./data/a-snow53.avi
 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv

tests/regression.sh

@@ -452,10 +452,10 @@ fi
 if [ -n "$do_snow" ] ; then
 # snow encoding
 file=${outfile}snow.avi
-do_ffmpeg $file -y -strict -2 -f pgmyuv -i $raw_src -an -vcodec snow -qscale 2 -flags +qpel -me iter -dia_size 2 -cmp 12 -subcmp 12 $file
+do_ffmpeg $file -y -strict -2 -f pgmyuv -i $raw_src -an -vcodec snow -qscale 2 -flags +qpel -me iter -dia_size 2 -cmp 12 -subcmp 12 -s 128x64 $file
 
 # snow decoding
-do_ffmpeg $raw_dst -y -i $file -f rawvideo $raw_dst
+do_ffmpeg $raw_dst -y -i $file -f rawvideo -s 352x288 $raw_dst
 fi
 
 ###################################

tests/rotozoom.regression.ref

@@ -119,10 +119,10 @@ d0831a8339491fd680b650f05262e5d9 *./data/a-ffv1.avi
 3524768 ./data/a-ffv1.avi
 dde5895817ad9d219f79a52d0bdfb001 *./data/out.yuv
 stddev:  0.00 PSNR:99.99 bytes:7602176
-1f3c76fe9ea602f5a70e8fa25a1bafcb *./data/a-snow.avi
+a254859bf22eb3db6c16d3bfbfb1ca72 *./data/a-snow.avi
-286446 ./data/a-snow.avi
+68196 ./data/a-snow.avi
-ca9feebced78b9193b8fea6bd4a4ca90 *./data/out.yuv
+79bab7d2ec8f1389405e99eeaeaa1010 *./data/out.yuv
-stddev:  2.32 PSNR:40.80 bytes:7602176
+stddev: 10.94 PSNR:27.34 bytes:7602176
 3f20642bb789dfb75ae3e8c03f9b425c *./data/a-snow53.avi
 2725570 ./data/a-snow53.avi
 dde5895817ad9d219f79a52d0bdfb001 *./data/out.yuv