fate: only check stddev for acodec-ra144

ra144 uses floats so bitexactness cannot be guranteed
This should fix a long standing issue with icc

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

tests/fate/acodec.mak

@@ -68,11 +68,13 @@ fate-acodec-g723_1: ENCOPTS = -b:a 6.3k
 fate-acodec-g723_1: CMP_SHIFT = 8
 
 FATE_ACODEC += fate-acodec-ra144
-fate-acodec-ra144: FMT = rm
-fate-acodec-ra144: CODEC = real_144
-fate-acodec-ra144: ENCOPTS = -ac 1
-fate-acodec-ra144: DECOPTS = -ac 2
-fate-acodec-ra144: CMP_SHIFT = -640
+fate-acodec-ra144: tests/data/asynth-8000-1.wav
+fate-acodec-ra144: SRC = tests/data/asynth-8000-1.wav
+fate-acodec-ra144: CMD = enc_dec_pcm rm wav s16le $(SRC) -c:a real_144
+fate-acodec-ra144: REF = $(SRC)
+fate-acodec-ra144: CMP = stddev
+fate-acodec-ra144: CMP_TARGET = 4777
+fate-acodec-ra144: CMP_SHIFT = -320
 
 FATE_ACODEC += fate-acodec-roqaudio
 fate-acodec-roqaudio: FMT = roq

tests/ref/fate/acodec-ra144

-d6740bee5e20fa665e6c94298125b834 *tests/data/fate/acodec-ra144.rm
-53227 tests/data/fate/acodec-ra144.rm
-16d1a0d6cae06cf8a4db009d0fe7a952 *tests/data/fate/acodec-ra144.out.wav
-stddev: 5696.26 PSNR: 21.22 MAXDIFF:44956 bytes:  1058400/  1058560