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fate: Use a oneoff test for the tremolo filter

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The tremolo filter uses floating point internally, and uses
multiplication factors derived from sin(fmod()), neither of
which is bitexact for use with framecrc.

This fixes running this test when built with for mingw/x86_32
with clang.

In this case, a 1 ulp difference in the output from fmod() would
end up in an output from the filter that differs by 1 ulp, but
which makes the lrint() in swresample/audioconvert.c round in a
different direction.

Signed-off-by: Martin Storsjö <martin@martin.st>
pull/333/head
Martin Storsjö 5 years ago
parent 8f70e261fa
commit c27a85b983
2 changed files with 5 additions and 28 deletions
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  1. 7
      tests/fate/filter-audio.mak
  2. 26
      tests/ref/fate/filter-tremolo

7
tests/fate/filter-audio.mak
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@ -186,10 +186,13 @@ FATE_AFILTER_SAMPLES-$(call FILTERDEMDECENCMUX, STEREOTOOLS, WAV, PCM_S16LE, PCM
fate-filter-stereotools: SRC = $(TARGET_SAMPLES)/audio-reference/luckynight_2ch_44kHz_s16.wav
fate-filter-stereotools: CMD = framecrc -i $(SRC) -frames:a 20 -af stereotools=mlev=0.015625
FATE_AFILTER-$(call FILTERDEMDECENCMUX, TREMOLO, WAV, PCM_S16LE, PCM_S16LE, WAV) += fate-filter-tremolo
FATE_AFILTER_SAMPLES-$(call FILTERDEMDECENCMUX, TREMOLO, WAV, PCM_S16LE, PCM_S16LE, WAV) += fate-filter-tremolo
fate-filter-tremolo: tests/data/asynth-44100-2.wav
fate-filter-tremolo: SRC = $(TARGET_PATH)/tests/data/asynth-44100-2.wav
fate-filter-tremolo: CMD = framecrc -i $(SRC) -frames:a 20 -af tremolo
fate-filter-tremolo: CMD = ffmpeg -i $(SRC) -frames:a 20 -af tremolo -f wav -f s16le -
fate-filter-tremolo: REF = $(SAMPLES)/filter/tremolo.pcm
fate-filter-tremolo: CMP = oneoff
fate-filter-tremolo: CMP_UNIT = s16
FATE_AFILTER-$(call FILTERDEMDECENCMUX, COMPAND, WAV, PCM_S16LE, PCM_S16LE, WAV) += fate-filter-compand
fate-filter-compand: tests/data/asynth-44100-2.wav

26
tests/ref/fate/filter-tremolo
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@ -1,26 +0,0 @@
#tb 0: 1/44100
#media_type 0: audio
#codec_id 0: pcm_s16le
#sample_rate 0: 44100
#channel_layout 0: 3
#channel_layout_name 0: stereo
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