quick and dirty PSNR check for audio

Originally committed as revision 3902 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/ffmpeg.regression.ref

@@ -126,18 +126,18 @@ stddev: 10.99 PSNR:27.30 bytes:7602176
 21f8ff9f1daacd9133683bb4ea0f50a4 *./data/a-mp2.mp2
 95712 ./data/a-mp2.mp2
 91ab1b253cd360037d3fca67b795aba8 *./data/out.wav
-1055276 ./data/out.wav
+stddev:117.02 PSNR: 6.75 bytes:1054720
 d056da679e6d6682812fffb28a7f0db6 *./data/a-ac3.rm
 97983 ./data/a-ac3.rm
 2d081e0e1f2e9bd4514e9ac8ec41884c *./data/a-g726.wav
 24268 ./data/a-g726.wav
 a719ab6d47d8d601520edb13bf6136b4 *./data/out.wav
-96940 ./data/out.wav
+stddev:134.28 PSNR: 5.56 bytes:96256
 bdc512b78e2ccb1d815aec08794650eb *./data/a-adpcm_ima.wav
 266288 ./data/a-adpcm_ima.wav
 1316b03da3bdc8df9785c7995e3c9b2a *./data/out.wav
-1056684 ./data/out.wav
+stddev:129.55 PSNR: 5.87 bytes:1054720
 d2eee867856d2bdb6d08e936d4ceec0c *./data/a-adpcm_ms.wav
 267308 ./data/a-adpcm_ms.wav
 91a84bb4f319a3a0bf0c0441b3d3a529 *./data/out.wav
-1056572 ./data/out.wav
+stddev: 73.79 PSNR:10.76 bytes:1054720

tests/regression.sh

@@ -86,6 +86,7 @@ raw_dst="$datadir/out.yuv"
 raw_ref="$datadir/ref.yuv"
 pcm_src="asynth1.sw"
 pcm_dst="$datadir/out.wav"
+pcm_ref="$datadir/ref.wav"
 if [ X"`echo | md5sum 2> /dev/null`" != X ]; then
     do_md5sum() { md5sum -b $1; }
 elif [ -x /sbin/md5 ]; then
@@ -108,6 +109,8 @@ do_ffmpeg()
     do_md5sum $f >> $logfile
     if [ $f = $raw_dst ] ; then
         $tiny_psnr $f $raw_ref >> $logfile
+    elif [ $f = $pcm_dst ] ; then
+        $tiny_psnr $f $pcm_ref >> $logfile
     else
         wc -c $f >> $logfile
     fi
@@ -144,6 +147,7 @@ echo "ffmpeg benchmarks" > $benchfile
 ###################################
 # generate reference for quality check
 do_ffmpeg_nocheck $raw_ref -y -f pgmyuv -i $raw_src -an -f rawvideo $raw_ref
+do_ffmpeg_nocheck $pcm_ref -y -ab 128 -ac 2 -ar 44100 -f s16le -i $pcm_src -f wav $pcm_ref
 
 ###################################
 if [ -n "$do_mpeg" ] ; then

tests/rotozoom.regression.ref

@@ -126,18 +126,18 @@ stddev:  3.43 PSNR:37.39 bytes:7602176
 21f8ff9f1daacd9133683bb4ea0f50a4 *./data/a-mp2.mp2
 95712 ./data/a-mp2.mp2
 91ab1b253cd360037d3fca67b795aba8 *./data/out.wav
-1055276 ./data/out.wav
+stddev:117.02 PSNR: 6.75 bytes:1054720
 d056da679e6d6682812fffb28a7f0db6 *./data/a-ac3.rm
 97983 ./data/a-ac3.rm
 2d081e0e1f2e9bd4514e9ac8ec41884c *./data/a-g726.wav
 24268 ./data/a-g726.wav
 a719ab6d47d8d601520edb13bf6136b4 *./data/out.wav
-96940 ./data/out.wav
+stddev:134.28 PSNR: 5.56 bytes:96256
 bdc512b78e2ccb1d815aec08794650eb *./data/a-adpcm_ima.wav
 266288 ./data/a-adpcm_ima.wav
 1316b03da3bdc8df9785c7995e3c9b2a *./data/out.wav
-1056684 ./data/out.wav
+stddev:129.55 PSNR: 5.87 bytes:1054720
 d2eee867856d2bdb6d08e936d4ceec0c *./data/a-adpcm_ms.wav
 267308 ./data/a-adpcm_ms.wav
 91a84bb4f319a3a0bf0c0441b3d3a529 *./data/out.wav
-1056572 ./data/out.wav
+stddev: 73.79 PSNR:10.76 bytes:1054720