44 typedef int_least32_t (
Mixer::*mixer_func_t)()
const;
51 std::vector<sidemu*> m_chips;
52 std::vector<short*> m_buffers;
54 std::vector<int_least32_t> m_iSamples;
55 std::vector<int_least32_t> m_volume;
57 std::vector<mixer_func_t> m_mix;
60 int m_fastForwardFactor;
63 short *m_sampleBuffer;
64 uint_least32_t m_sampleCount;
65 uint_least32_t m_sampleIndex;
72 int triangularDithering()
74 const int prevValue = oldRandomValue;
75 oldRandomValue = rand() & (VOLUME_MAX-1);
76 return oldRandomValue - prevValue;
80 int_least32_t mono_OneChip()
const {
return m_iSamples[0]; }
81 int_least32_t mono_TwoChips()
const {
return (m_iSamples[0] + m_iSamples[1]) / 2; }
82 int_least32_t mono_ThreeChips()
const {
return (m_iSamples[0] + m_iSamples[1] + m_iSamples[2]) / 3; }
85 int_least32_t stereo_OneChip()
const {
return m_iSamples[0]; }
87 int_least32_t stereo_ch1_TwoChips()
const {
return m_iSamples[0]; }
88 int_least32_t stereo_ch2_TwoChips()
const {
return m_iSamples[1]; }
90 int_least32_t stereo_ch1_ThreeChips()
const {
return (m_iSamples[0] + m_iSamples[1]) / 2; }
91 int_least32_t stereo_ch2_ThreeChips()
const {
return (m_iSamples[1] + m_iSamples[2]) / 2; }
100 m_fastForwardFactor(1),
104 m_mix.push_back(&Mixer::mono_OneChip);
128 void begin(
short *buffer, uint_least32_t count);
148 sidemu*
getSid(
unsigned int i)
const {
return (i < m_chips.size()) ? m_chips[i] : 0; }
164 void setVolume(int_least32_t left, int_least32_t right);
176 bool notFinished()
const {
return m_sampleIndex != m_sampleCount; }
static const unsigned int MAX_SIDS
Maximum number of supported SIDs.
Definition: mixer.h:41
void clockChips()
Definition: mixer.cpp:59
static const int_least32_t VOLUME_MAX
Maximum allowed volume, must be a power of 2.
Definition: mixer.h:48
void setStereo(bool stereo)
Definition: mixer.cpp:170
bool notFinished() const
Definition: mixer.h:176
bool setFastForward(int ff)
Definition: mixer.cpp:182
void setVolume(int_least32_t left, int_least32_t right)
Definition: mixer.cpp:191
uint_least32_t samplesGenerated() const
Definition: mixer.h:181
void doMix()
Definition: mixer.cpp:69
Mixer()
Definition: mixer.h:98
void addSid(sidemu *chip)
Definition: mixer.cpp:156
sidemu * getSid(unsigned int i) const
Definition: mixer.h:148
void clearSids()
Definition: mixer.cpp:150
void begin(short *buffer, uint_least32_t count)
Definition: mixer.cpp:125
void resetBufs()
Definition: mixer.cpp:64