fake regression errors caused by randomly choosen dct algo

Originally committed as revision 3703 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/libav.regression.ref

@@ -43,7 +43,7 @@ c39dd19b88f9e0f03a318b51c37edb61 *./data/b-libav.yuv4mpeg
 3801810 ./data/b-libav.yuv4mpeg
 ./data/b-libav%d.pgm CRC=84c09106
 ./data/b-libav%d.ppm CRC=25c06ecf
-./data/b-libav%d.jpg CRC=ed64ec39
+./data/b-libav%d.jpg CRC=afa6eff5
 b0a8c8063d81921db5d7c8f50a1cc454 *./data/b-libav.wav
 89132 ./data/b-libav.wav
 ./data/b-libav.wav CRC=2a09519c

tests/regression.sh

@@ -590,7 +590,7 @@ do_ffmpeg_crc $file -i $file
 
 # jpeg (we do not do md5 on image files yet)
 file=${outfile}libav%d.jpg
-$ffmpeg -t 0.5 -y -qscale 10 -f pgmyuv -i $raw_src -f image2 $file
+$ffmpeg -t 0.5 -y -qscale 10 -f pgmyuv -i $raw_src -bitexact -dct_algo 1 -idct_algo 2 -f image2 $file
 do_ffmpeg_crc $file -f image2 -i $file
 
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