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More optimization experiments.

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This commit is contained in:
David Reid
2021-05-22 18:00:29 +10:00
parent 1a919c0590
commit a641a80b85
1 changed files with 6 additions and 3 deletions
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research/miniaudio_engine.h
+6 -3
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@@ -2020,10 +2020,13 @@ MA_API ma_result ma_gainer_process_pcm_frames(ma_gainer* pGainer, void* pFramesO
if (pFramesOut != NULL && pFramesIn != NULL) {
float a = (float)pGainer->t / pGainer->config.smoothTimeInFrames;
float d = 1.0f / pGainer->config.smoothTimeInFrames;
ma_uint32 channelCount = pGainer->config.channels;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pGainer->config.channels + iChannel] = pFramesInF32[iFrame*pGainer->config.channels + iChannel] * ma_mix_f32_fast(pGainer->oldGains[iChannel], pGainer->newGains[iChannel], a);
for (iChannel = 0; iChannel < channelCount; iChannel += 1) {
pFramesOutF32[0] = pFramesInF32[0] * ma_mix_f32_fast(pGainer->oldGains[iChannel], pGainer->newGains[iChannel], a);
pFramesOutF32 += 1;
pFramesInF32 += 1;
}
a += d;
@@ -2033,7 +2036,7 @@ MA_API ma_result ma_gainer_process_pcm_frames(ma_gainer* pGainer, void* pFramesO
}
}
pGainer->t = ma_min(pGainer->t + frameCount, pGainer->config.smoothTimeInFrames);
pGainer->t = (ma_uint32)ma_min(pGainer->t + frameCount, pGainer->config.smoothTimeInFrames);
#if 0
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {