fate: add WavPack muxer test

Tested-by: NMichael Niedermayer <michael@niedermayer.cc>
Signed-off-by: NJames Almer <jamrial@gmail.com>

tests/fate/avformat.mak

@@ -54,6 +54,7 @@ FATE_LAVF-$(call ENCDEC,  PCM_S16LE,             WAV)                += wav_peak
 FATE_LAVF-$(call ENCDEC,  PCM_S16LE,             WAV)                += wav_peak_only
 FATE_LAVF-$(call ENCMUX,  PCM_S16LE,             W64)                += w64
 FATE_LAVF-$(call ENCDEC,  MP2,                   WTV)                += wtv
+FATE_LAVF-$(call ENCDEC,  WAVPACK,               WV)                 += wv
 FATE_LAVF-$(call ENCDEC,  XBM,                   IMAGE2)             += xbm
 FATE_LAVF-$(call ENCDEC,  XWD,                   IMAGE2)             += xwd
 FATE_LAVF-$(CONFIG_YUV4MPEGPIPE_MUXER)                               += yuv4mpeg

tests/lavf-regression.sh

@@ -386,6 +386,10 @@ if [ -n "$do_w64" ] ; then
 do_audio_only w64
 fi
 
+if [ -n "$do_wv" ] ; then
+do_audio_only wv
+fi
+
 # pix_fmt conversions
 
 if [ -n "$do_pixfmt" ] ; then

tests/ref/lavf/wv

+47d9a381d9c3f99b8b059f3b17f1dc11 *./tests/data/lavf/lavf.wv
+59560 ./tests/data/lavf/lavf.wv
+./tests/data/lavf/lavf.wv CRC=0x3a1da17e