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Mixer: Support GBA samples mixing

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This commit is contained in:
Bonta
2021-07-04 12:44:56 +02:00
parent 1b27f22cbc
commit 502def7f71
2 changed files with 47 additions and 12 deletions
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18
Source/Core/AudioCommon/Mixer.h
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@ -30,11 +30,17 @@ public:
void PushStreamingSamples(const short* samples, unsigned int num_samples);
void PushWiimoteSpeakerSamples(const short* samples, unsigned int num_samples,
unsigned int sample_rate);
void PushGBASamples(int device_number, const short* samples, unsigned int num_samples);
unsigned int GetSampleRate() const { return m_sampleRate; }
void SetDMAInputSampleRate(unsigned int rate);
void SetStreamInputSampleRate(unsigned int rate);
void SetGBAInputSampleRates(int device_number, unsigned int rate);
void SetStreamingVolume(unsigned int lvolume, unsigned int rvolume);
void SetWiimoteSpeakerVolume(unsigned int lvolume, unsigned int rvolume);
void SetGBAVolume(int device_number, unsigned int lvolume, unsigned int rvolume);
void StartLogDTKAudio(const std::string& filename);
void StopLogDTKAudio();
@ -57,7 +63,8 @@ private:
class MixerFifo final
{
public:
MixerFifo(Mixer* mixer, unsigned sample_rate) : m_mixer(mixer), m_input_sample_rate(sample_rate)
MixerFifo(Mixer* mixer, unsigned sample_rate, bool little_endian)
: m_mixer(mixer), m_input_sample_rate(sample_rate), m_little_endian(little_endian)
{
}
void DoState(PointerWrap& p);
@ -71,6 +78,7 @@ private:
private:
Mixer* m_mixer;
unsigned m_input_sample_rate;
bool m_little_endian;
std::array<short, MAX_SAMPLES * 2> m_buffer{};
std::atomic<u32> m_indexW{0};
std::atomic<u32> m_indexR{0};
@ -81,9 +89,11 @@ private:
u32 m_frac = 0;
};
MixerFifo m_dma_mixer{this, 32000};
MixerFifo m_streaming_mixer{this, 48000};
MixerFifo m_wiimote_speaker_mixer{this, 3000};
MixerFifo m_dma_mixer{this, 32000, false};
MixerFifo m_streaming_mixer{this, 48000, false};
MixerFifo m_wiimote_speaker_mixer{this, 3000, true};
std::array<MixerFifo, 4> m_gba_mixers{MixerFifo{this, 48000, true}, MixerFifo{this, 48000, true},
MixerFifo{this, 48000, true}, MixerFifo{this, 48000, true}};
unsigned int m_sampleRate;
bool m_is_stretching = false;