fate: add tests for linearly interpolated resampling

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

tests/fate/libswresample.mak

@@ -7,6 +7,8 @@ CROSS_TEST = $(foreach I,$(1),                                        \
 
 SAMPLERATES = 2626 8000 44100 48000 96000
 
+SAMPLERATES_LITE = 8000 44100 48000
+
 define ARESAMPLE
 FATE_SWR_RESAMPLE += fate-swr-resample-$(3)-$(1)-$(2)
 fate-swr-resample-$(3)-$(1)-$(2): tests/data/asynth-$(1)-1.wav
@@ -262,12 +264,61 @@ fate-swr-resample-s32p-96000-8000: CMP_TARGET = 58.60
 fate-swr-resample-s32p-96000-8000: SIZE_TOLERANCE = 1152000 - 20496
 endef
 
+define ARESAMPLE_LIN
+FATE_SWR_RESAMPLE += fate-swr-resample_lin-$(3)-$(1)-$(2)
+fate-swr-resample_lin-$(3)-$(1)-$(2): tests/data/asynth-$(1)-1.wav
+fate-swr-resample_lin-$(3)-$(1)-$(2): CMD = ffmpeg -i $(TARGET_PATH)/tests/data/asynth-$(1)-1.wav -af atrim=end_sample=10240,aresample=$(2):linear_interp=1:internal_sample_fmt=$(3),aformat=$(3),aresample=$(1):internal_sample_fmt=$(3) -f wav -acodec pcm_s16le -
+
+fate-swr-resample_lin-$(3)-$(1)-$(2): CMP = stddev
+fate-swr-resample_lin-$(3)-$(1)-$(2): CMP_UNIT = $(5)
+fate-swr-resample_lin-$(3)-$(1)-$(2): FUZZ = 0.1
+fate-swr-resample_lin-$(3)-$(1)-$(2): REF = tests/data/asynth-$(1)-1.wav
+
+fate-swr-resample_lin-s16p-8000-44100: CMP_TARGET = 14.63
+fate-swr-resample_lin-s16p-8000-44100: SIZE_TOLERANCE = 96000 - 20480
+
+fate-swr-resample_lin-s16p-8000-48000: CMP_TARGET = 14.53
+fate-swr-resample_lin-s16p-8000-48000: SIZE_TOLERANCE = 96000 - 20480
+
+fate-swr-resample_lin-s16p-44100-8000: CMP_TARGET = 75.45
+fate-swr-resample_lin-s16p-44100-8000: SIZE_TOLERANCE = 529200 - 20486
+
+fate-swr-resample_lin-s16p-44100-48000: CMP_TARGET = 9.68
+fate-swr-resample_lin-s16p-44100-48000: SIZE_TOLERANCE = 529200 - 20482
+
+fate-swr-resample_lin-s16p-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample_lin-s16p-48000-8000: SIZE_TOLERANCE = 576000 - 20484
+
+fate-swr-resample_lin-s16p-48000-44100: CMP_TARGET = 0.86
+fate-swr-resample_lin-s16p-48000-44100: SIZE_TOLERANCE = 576000 - 20480
+
+fate-swr-resample_lin-fltp-8000-44100: CMP_TARGET = 14.61
+fate-swr-resample_lin-fltp-8000-44100: SIZE_TOLERANCE = 96000 - 20480
+
+fate-swr-resample_lin-fltp-8000-48000: CMP_TARGET = 14.50
+fate-swr-resample_lin-fltp-8000-48000: SIZE_TOLERANCE = 96000 - 20480
+
+fate-swr-resample_lin-fltp-44100-8000: CMP_TARGET = 75.45
+fate-swr-resample_lin-fltp-44100-8000: SIZE_TOLERANCE = 529200 - 20486
+
+fate-swr-resample_lin-fltp-44100-48000: CMP_TARGET = 9.67
+fate-swr-resample_lin-fltp-44100-48000: SIZE_TOLERANCE = 529200 - 20482
+
+fate-swr-resample_lin-fltp-48000-8000: CMP_TARGET = 62.41
+fate-swr-resample_lin-fltp-48000-8000: SIZE_TOLERANCE = 576000 - 20484
+
+fate-swr-resample_lin-fltp-48000-44100: CMP_TARGET = 0.79
+fate-swr-resample_lin-fltp-48000-44100: SIZE_TOLERANCE = 576000 - 20480
+endef
 
 $(call CROSS_TEST,$(SAMPLERATES),ARESAMPLE,s16p,s16le,s16)
 $(call CROSS_TEST,$(SAMPLERATES),ARESAMPLE,s32p,s32le,s16)
 $(call CROSS_TEST,$(SAMPLERATES),ARESAMPLE,fltp,f32le,s16)
 $(call CROSS_TEST,$(SAMPLERATES),ARESAMPLE,dblp,f64le,s16)
 
+$(call CROSS_TEST,$(SAMPLERATES_LITE),ARESAMPLE_LIN,s16p,s16le,s16)
+$(call CROSS_TEST,$(SAMPLERATES_LITE),ARESAMPLE_LIN,fltp,f32le,s16)
+
 FATE_SWR_RESAMPLE-$(call FILTERDEMDECENCMUX, ARESAMPLE, WAV, PCM_S16LE, PCM_S16LE, WAV) += $(FATE_SWR_RESAMPLE)
 fate-swr-resample: $(FATE_SWR_RESAMPLE-yes)
 FATE_SWR += $(FATE_SWR_RESAMPLE-yes)