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ngs2: apply mastering voice full band and LFE gain

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Co-authored-by: Phr3d13 <phr3d13@gmail.com>
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nmzikandPhr3d13 committed 2026-10-30 01:57:41 +01:00
1 parent 67f8276751
commit e66a7f52b5
2 files changed
+47 -3
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src/libs/ngs2.cpp
+14 -3
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@@ -568,6 +568,8 @@ struct Ngs2VoiceInternal {
std::vector<float> output_matrix;
uint32_t channels = 0;
uint32_t output_id = 0;
float fbw_level = 1.0f;
float lfe_level = 1.0f;
bool rendering = false;
bool rendered = false;
bool has_samples = false;
@@ -1978,10 +1980,13 @@ int KYTY_SYSV_ABI Ngs2SystemRender(uintptr_t system_handle, const Ngs2RenderBuff
pcm = static_cast<float*>(output.buffer);
}
for (uint32_t dst = 0; dst < output.num_channels; ++dst) {
// Output channel 3 is LFE; every other channel is full band.
const float gain = dst == 3 ? voice->lfe_level : voice->fbw_level;
for (uint32_t src = 0; src < voice->channels; ++src) {
const float level = voice->output_matrix.empty()
? (src == dst ? 1.0f : 0.0f)
: voice->output_matrix.at(src * output.num_channels + dst);
const float level =
gain * (voice->output_matrix.empty()
? static_cast<float>(src == dst)
: voice->output_matrix.at(src * output.num_channels + dst));
if (level == 0.0f) {
continue;
}
@@ -2481,6 +2486,12 @@ int KYTY_SYSV_ABI Ngs2VoiceControl(uintptr_t voice_handle, const Ngs2VoiceParamH
matrix->levels + matrix->num_levels);
break;
}
case 4: {
const auto* levels = reinterpret_cast<const float*>(values);
voice->fbw_level = std::clamp(levels[0], 0.0f, 4.0f);
voice->lfe_level = std::clamp(levels[1], 0.0f, 4.0f);
break;
}
case 5: voice->output_id = values[0]; break;
default: EXIT("unsupported mastering control: 0x%08" PRIx32 "\n", param->id);
}