fate: add test for earwax filter

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

tests/fate/filter-audio.mak

@@ -104,6 +104,11 @@ fate-filter-dcshift: tests/data/asynth-44100-2.wav
 fate-filter-dcshift: SRC = $(TARGET_PATH)/tests/data/asynth-44100-2.wav
 fate-filter-dcshift: CMD = framecrc -i $(SRC) -aframes 20 -af dcshift=shift=0.25:limitergain=0.05
 
+FATE_AFILTER-$(call FILTERDEMDECENCMUX, EARWAX, WAV, PCM_S16LE, PCM_S16LE, WAV) += fate-filter-earwax
+fate-filter-earwax: tests/data/asynth-44100-2.wav
+fate-filter-earwax: SRC = $(TARGET_PATH)/tests/data/asynth-44100-2.wav
+fate-filter-earwax: CMD = framecrc -i $(SRC) -aframes 20 -af earwax
+
 tests/data/hls-list.m3u8: TAG = GEN
 tests/data/hls-list.m3u8: ffmpeg$(PROGSSUF)$(EXESUF) | tests/data
 	$(M)$(TARGET_EXEC) $(TARGET_PATH)/$< \

tests/ref/fate/filter-earwax

@@ -0,0 +1,25 @@
+#tb 0: 1/44100
+#media_type 0: audio
+#codec_id 0: pcm_s16le
+#sample_rate 0: 44100
+#channel_layout 0: 3
+0,          0,          0,     1024,     4096, 0x900af751
+0,       1024,       1024,     1024,     4096, 0xad570065
+0,       2048,       2048,     1024,     4096, 0x93d5f494
+0,       3072,       3072,     1024,     4096, 0x2c65ef7d
+0,       4096,       4096,     1024,     4096, 0xdc8af6d2
+0,       5120,       5120,     1024,     4096, 0x7ae00249
+0,       6144,       6144,     1024,     4096, 0xaab5fdd0
+0,       7168,       7168,     1024,     4096, 0x4373ef39
+0,       8192,       8192,     1024,     4096, 0x0756eb43
+0,       9216,       9216,     1024,     4096, 0x494d06e0
+0,      10240,      10240,     1024,     4096, 0x4393ffae
+0,      11264,      11264,     1024,     4096, 0x6972f97e
+0,      12288,      12288,     1024,     4096, 0xb834ea05
+0,      13312,      13312,     1024,     4096, 0x39b8f871
+0,      14336,      14336,     1024,     4096, 0xf032fccd
+0,      15360,      15360,     1024,     4096, 0xefcd0709
+0,      16384,      16384,     1024,     4096, 0x0590ebc0
+0,      17408,      17408,     1024,     4096, 0x2e75f264
+0,      18432,      18432,     1024,     4096, 0xbea1fd03
+0,      19456,      19456,     1024,     4096, 0x9bbe0434