fate: add adpcm_ima_apm encoding test

Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>

tests/fate/acodec.mak

@@ -45,6 +45,7 @@ fate-acodec-pcm-u%le: FMT = nut
 fate-acodec-pcm-f%be: FMT = au
 
 FATE_ACODEC_ADPCM-$(call ENCDEC, ADPCM_ADX,     ADX)  += adx
+FATE_ACODEC_ADPCM-$(call ENCDEC, ADPCM_IMA_APM, APM)  += ima_apm
 FATE_ACODEC_ADPCM-$(call ENCDEC, ADPCM_IMA_QT,  AIFF) += ima_qt
 FATE_ACODEC_ADPCM-$(call ENCDEC, ADPCM_IMA_SSI, KVAG) += ima_ssi
 FATE_ACODEC_ADPCM-$(call ENCDEC, ADPCM_IMA_WAV, WAV)  += ima_wav
@@ -59,6 +60,7 @@ fate-acodec-adpcm: $(FATE_ACODEC_ADPCM)
 fate-acodec-adpcm-%: CODEC = adpcm_$(@:fate-acodec-adpcm-%=%)
 
 fate-acodec-adpcm-adx:     FMT = adx
+fate-acodec-adpcm-ima_apm: FMT = apm
 fate-acodec-adpcm-ima_qt:  FMT = aiff
 fate-acodec-adpcm-ima_ssi: FMT = kvag
 fate-acodec-adpcm-ima_wav: FMT = wav

tests/ref/acodec/adpcm-ima_apm

@@ -0,0 +1,4 @@
+2e795c6c06baabe01ab92864d963e71b *tests/data/fate/acodec-adpcm-ima_apm.apm
+264700 tests/data/fate/acodec-adpcm-ima_apm.apm
+201607bf7610f062b9a1e6524354c569 *tests/data/fate/acodec-adpcm-ima_apm.out.wav
+stddev:  904.76 PSNR: 37.20 MAXDIFF:34029 bytes:  1058400/  1058400