Sound System Rework: Phase 2 (cont'ed)

. Fixed super fast refresh rate issue

. Recovered <TAB> shortcut key for ThrottleSkipping

. Removed redundant "soundstream->Update()" in DSPLLE
  (Thanks to LordMark)


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4728 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
ayuanx
2009-12-25 11:59:04 +00:00
parent eddafd450e
commit 06218e9ebb
20 changed files with 96 additions and 139 deletions

View File

@ -19,16 +19,16 @@
#define _MIXER_H_
// 16 bit Stereo
#define MAX_SAMPLES (1024 * 4)
#define MAX_SAMPLES (1024 * 8)
#define INDEX_MASK (MAX_SAMPLES * 2 - 1)
#define RESERVED_SAMPLES (MAX_SAMPLES / 8)
#define RESERVED_SAMPLES (256)
class CMixer {
public:
CMixer(unsigned int AISampleRate = 48000, unsigned int DSPSampleRate = 48000)
CMixer(unsigned int AISampleRate = 48000, unsigned int DACSampleRate = 48000)
: m_aiSampleRate(AISampleRate)
, m_dspSampleRate(DSPSampleRate)
, m_dacSampleRate(DACSampleRate)
, m_bits(16)
, m_channels(2)
, m_HLEready(false)
@ -36,19 +36,21 @@ public:
, m_indexW(0)
, m_indexR(0)
{
// AyuanX: When sample rate differs, we have to do re-sampling
// AyuanX: The internal (Core & DSP) sample rate is fixed at 32KHz
// So when AI/DAC sample rate differs than 32KHz, we have to do re-sampling
// I perfer speed so let's do down-sampling instead of up-sampling
// If you like better sound than speed, feel free to implement the up-sampling code
m_sampleRate = (m_aiSampleRate < m_dspSampleRate) ? m_aiSampleRate : m_dspSampleRate;
m_sampleRate = 32000;
NOTICE_LOG(AUDIO_INTERFACE, "Mixer is initialized (AISampleRate:%i, DACSampleRate:%i)", AISampleRate, DACSampleRate);
}
// Called from audio threads
virtual unsigned int Mix(short* samples, unsigned int numSamples);
virtual void Premix(short *samples, unsigned int numSamples, unsigned int sampleRate) {}
virtual void Premix(short *samples, unsigned int numSamples) {}
unsigned int GetNumSamples();
// Called from main thread
virtual void PushSamples(short* samples, unsigned int num_samples, unsigned int sample_rate);
virtual void PushSamples(short* samples, unsigned int num_samples);
unsigned int GetSampleRate() {return m_sampleRate;}
void SetThrottle(bool use) { m_throttle = use;}
@ -62,7 +64,7 @@ public:
protected:
unsigned int m_sampleRate;
unsigned int m_aiSampleRate;
unsigned int m_dspSampleRate;
unsigned int m_dacSampleRate;
int m_bits;
int m_channels;