mirror of
https://github.com/AndroidAudioMods/ViPERFX_RE.git
synced 2024-12-22 14:37:24 +08:00
Make ViPERBass stereo :)
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parent
86b50169a0
commit
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@ -3,7 +3,7 @@
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// Iscle: Verified with the latest version at 13/12/2022
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ViPERBass::ViPERBass() {
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ViPERBass::ViPERBass() : polyphase(2), waveBuffer(2, 4096) {
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this->speaker = 60;
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this->enable = false;
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this->processMode = ProcessMode::NATURAL_BASS;
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@ -11,24 +11,15 @@ ViPERBass::ViPERBass() {
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this->bassFactor = 0.0;
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this->samplingRate = VIPER_DEFAULT_SAMPLING_RATE;
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this->samplingRatePeriod = 1.0 / VIPER_DEFAULT_SAMPLING_RATE;
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this->polyphase = new Polyphase(2);
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this->biquad = new Biquad();
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this->subwoofer = new Subwoofer();
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this->waveBuffer = new WaveBuffer(1, 4096);
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this->biquad->Reset();
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this->biquad->SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->subwoofer->SetBassGain(this->samplingRate, 0.0);
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for (auto &biquad : this->biquad) {
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biquad.Reset();
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biquad.SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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}
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this->subwoofer.SetBassGain(this->samplingRate, 0.0);
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Reset();
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}
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ViPERBass::~ViPERBass() {
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delete this->polyphase;
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delete this->biquad;
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delete this->subwoofer;
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delete this->waveBuffer;
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}
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void ViPERBass::Process(float *samples, uint32_t size) {
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if (!this->enable) return;
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if (size == 0) return;
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@ -48,49 +39,46 @@ void ViPERBass::Process(float *samples, uint32_t size) {
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switch (this->processMode) {
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case ProcessMode::NATURAL_BASS: {
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for (uint32_t i = 0; i < size * 2; i += 2) {
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double sample = ((double) samples[i] + (double) samples[i + 1]) / 2.0;
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float x = (float) this->biquad->ProcessSample(sample) * this->bassFactor;
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samples[i] += x;
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samples[i + 1] += x;
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samples[i] += (float) this->biquad[0].ProcessSample(samples[i]) * this->bassFactor;
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samples[i + 1] += (float) this->biquad[1].ProcessSample(samples[i + 1]) * this->bassFactor;
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}
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break;
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}
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case ProcessMode::PURE_BASS_PLUS: {
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if (this->waveBuffer->PushSamples(samples, size)) {
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float *buffer = this->waveBuffer->GetBuffer();
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uint32_t bufferOffset = this->waveBuffer->GetBufferOffset();
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if (this->waveBuffer.PushSamples(samples, size)) {
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float *buffer = this->waveBuffer.GetBuffer();
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uint32_t bufferOffset = this->waveBuffer.GetBufferOffset();
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for (uint32_t i = 0; i < size * 2; i += 2) {
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double sample = ((double) samples[i] + (double) samples[i + 1]) / 2.0;
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auto x = (float) this->biquad->ProcessSample(sample);
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buffer[bufferOffset - size + i / 2] = x;
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buffer[bufferOffset - size + i] = (float) this->biquad[0].ProcessSample(samples[i]);
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buffer[bufferOffset - size + i + 1] = (float) this->biquad[1].ProcessSample(samples[i + 1]);
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}
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if (this->polyphase->Process(samples, size) == size) {
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if (this->polyphase.Process(samples, size) == size) {
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for (uint32_t i = 0; i < size * 2; i += 2) {
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float x = buffer[i / 2] * this->bassFactor;
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samples[i] += x;
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samples[i + 1] += x;
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samples[i] += buffer[i] * this->bassFactor;
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samples[i + 1] += buffer[i + 1] * this->bassFactor;
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}
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this->waveBuffer->PopSamples(size, true);
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this->waveBuffer.PopSamples(size, true);
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}
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}
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break;
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}
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case ProcessMode::SUBWOOFER: {
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this->subwoofer->Process(samples, size);
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this->subwoofer.Process(samples, size);
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break;
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}
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}
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}
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void ViPERBass::Reset() {
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this->polyphase->SetSamplingRate(this->samplingRate);
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this->polyphase->Reset();
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this->waveBuffer->Reset();
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this->waveBuffer->PushZeros(this->polyphase->GetLatency());
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this->subwoofer->SetBassGain(this->samplingRate, this->bassFactor * 2.5f);
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this->biquad->SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->polyphase.SetSamplingRate(this->samplingRate);
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this->polyphase.Reset();
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this->waveBuffer.Reset();
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this->waveBuffer.PushZeros(this->polyphase.GetLatency());
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this->subwoofer.SetBassGain(this->samplingRate, this->bassFactor * 2.5f);
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this->biquad[0].SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->biquad[1].SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->samplingRatePeriod = 1.0f / (float) this->samplingRate;
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this->antiPop = 0.0f;
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}
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@ -98,7 +86,7 @@ void ViPERBass::Reset() {
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void ViPERBass::SetBassFactor(float bassFactor) {
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if (this->bassFactor != bassFactor) {
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this->bassFactor = bassFactor;
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this->subwoofer->SetBassGain(this->samplingRate, this->bassFactor * 2.5f);
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this->subwoofer.SetBassGain(this->samplingRate, this->bassFactor * 2.5f);
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}
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}
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@ -120,15 +108,17 @@ void ViPERBass::SetSamplingRate(uint32_t samplingRate) {
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if (this->samplingRate != samplingRate) {
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this->samplingRate = samplingRate;
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this->samplingRatePeriod = 1.0f / (float) samplingRate;
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this->polyphase->SetSamplingRate(this->samplingRate);
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this->biquad->SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->subwoofer->SetBassGain(this->samplingRate, this->bassFactor * 2.5f);
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this->polyphase.SetSamplingRate(this->samplingRate);
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this->biquad[0].SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->biquad[1].SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->subwoofer.SetBassGain(this->samplingRate, this->bassFactor * 2.5f);
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}
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}
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void ViPERBass::SetSpeaker(uint32_t speaker) {
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if (this->speaker != speaker) {
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this->speaker = speaker;
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this->biquad->SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->biquad[0].SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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this->biquad[1].SetLowPassParameter((float) this->speaker, this->samplingRate, 0.53);
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}
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}
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@ -28,10 +28,10 @@ public:
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void SetSpeaker(uint32_t speaker);
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private:
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Polyphase *polyphase;
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Biquad *biquad;
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Subwoofer *subwoofer;
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WaveBuffer *waveBuffer;
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Polyphase polyphase;
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Biquad biquad[2];
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Subwoofer subwoofer;
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WaveBuffer waveBuffer;
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bool enable;
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ProcessMode processMode;
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uint32_t samplingRate;
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