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Mixer: Implement audio stretching

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This commit is contained in:
MerryMage
2017-04-10 17:44:17 +01:00
parent 5b81f2a31d
commit b8c867dd7a
4 changed files with 92 additions and 17 deletions
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11
Source/Core/AudioCommon/Mixer.h
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@ -10,6 +10,9 @@
#include "AudioCommon/WaveFile.h"
#include "Common/CommonTypes.h"
#include <soundtouch/STTypes.h>
#include <soundtouch/SoundTouch.h>
class CMixer final
{
public:
@ -70,11 +73,19 @@ private:
float m_numLeftI = 0.0f;
u32 m_frac = 0;
};
void StretchAudio(short* samples, unsigned int actual_samples, unsigned int num_samples);
MixerFifo m_dma_mixer{this, 32000};
MixerFifo m_streaming_mixer{this, 48000};
MixerFifo m_wiimote_speaker_mixer{this, 3000};
unsigned int m_sampleRate;
bool m_is_stretching = false;
soundtouch::SoundTouch m_sound_touch;
double m_stretch_ratio = 1.0;
std::array<short, 2> m_last_stretched_sample = {};
WaveFileWriter m_wave_writer_dtk;
WaveFileWriter m_wave_writer_dsp;