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audio: Make pregenerated resampler kaiser filter more precise.

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This commit is contained in:
Ryan C. Gordon 2022-04-10 13:44:01 -04:00
parent 111c3add73
commit 5066910bf5
2 changed files with 1030 additions and 858 deletions
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8
build-scripts/gen_audio_resampler_filter.c
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@ -141,16 +141,16 @@ int main(void)
); );
printf("static const float ResamplerFilter[RESAMPLER_FILTER_SIZE] = {\n"); printf("static const float ResamplerFilter[RESAMPLER_FILTER_SIZE] = {\n");
printf(" %ff", ResamplerFilter[0]); printf(" %.9ff", ResamplerFilter[0]);
for (i = 0; i < RESAMPLER_FILTER_SIZE-1; i++) { for (i = 0; i < RESAMPLER_FILTER_SIZE-1; i++) {
printf("%s%ff", ((i % 6) == 5) ? ",\n " : ", ", ResamplerFilter[i+1]); printf("%s%.9ff", ((i % 5) == 4) ? ",\n " : ", ", ResamplerFilter[i+1]);
} }
printf("\n};\n\n"); printf("\n};\n\n");
printf("static const float ResamplerFilterDifference[RESAMPLER_FILTER_SIZE] = {\n"); printf("static const float ResamplerFilterDifference[RESAMPLER_FILTER_SIZE] = {\n");
printf(" %ff", ResamplerFilterDifference[0]); printf(" %.9ff", ResamplerFilterDifference[0]);
for (i = 0; i < RESAMPLER_FILTER_SIZE-1; i++) { for (i = 0; i < RESAMPLER_FILTER_SIZE-1; i++) {
printf("%s%ff", ((i % 6) == 5) ? ",\n " : ", ", ResamplerFilterDifference[i+1]); printf("%s%.9ff", ((i % 5) == 4) ? ",\n " : ", ", ResamplerFilterDifference[i+1]);
} }
printf("\n};\n\n"); printf("\n};\n\n");
printf("/* vi: set ts=4 sw=4 expandtab: */\n\n"); printf("/* vi: set ts=4 sw=4 expandtab: */\n\n");

1880
src/audio/SDL_audio_resampler_filter.h
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