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Experimental fix for an issue with gain smoothing.

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This commit is contained in:
David Reid
2021-04-05 19:19:08 +10:00
parent 1604512e89
commit c300aa9f72
1 changed files with 8 additions and 3 deletions
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research/miniaudio_engine.h
+8 -3
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@@ -1973,7 +1973,7 @@ MA_API ma_result ma_gainer_init(const ma_gainer_config* pConfig, ma_gainer* pGai
}
pGainer->config = *pConfig;
pGainer->t = pConfig->smoothTimeInFrames; /* No interpolation by default. */
pGainer->t = (size_t)-1; /* No interpolation by default. */
for (iChannel = 0; iChannel < pConfig->channels; iChannel += 1) {
pGainer->oldGains[iChannel] = 1;
@@ -2054,8 +2054,13 @@ MA_API ma_result ma_gainer_set_gains(ma_gainer* pGainer, float* pNewGains)
pGainer->newGains[iChannel] = pNewGains[iChannel];
}
/* The smoothing time needs to be reset to ensure we always interpolate by the configured smoothing time. */
pGainer->t = 0;
/* The smoothing time needs to be reset to ensure we always interpolate by the configured smoothing time, but only if it's not the first setting. */
if (pGainer->t == (ma_uint32)-1) {
pGainer->t = pGainer->config.smoothTimeInFrames; /* No smoothing required for initial gains setting. */
} else {
pGainer->t = 0;
}
return MA_SUCCESS;
}