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cmixer::SourceMixGuard

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This commit is contained in:
Iliyas Jorio 2023-02-01 19:50:28 +01:00
parent 8152ef04c9
commit d83a70ea70
1 changed files with 13 additions and 45 deletions
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58
src/SoundMixer/cmixer.h
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@ -61,56 +61,35 @@ namespace cmixer
double pan; // Pan set by `cm_set_pan()`
std::function<void()> onComplete; // Callback
private:
void ClearPrivate();
protected:
Source();
void Init(int samplerate, int length);
virtual void RewindImplementation() = 0;
virtual void ClearImplementation() = 0;
virtual void FillBuffer(int16_t* buffer, int length) = 0;
public:
virtual ~Source();
void RemoveFromMixer();
void Clear();
void Rewind();
void RecalcGains();
void FillBuffer(int offset, int length);
void Process(int len);
double GetLength() const;
double GetPosition() const;
int GetState() const;
void SetGain(double gain);
void SetPan(double pan);
void SetPitch(double pitch);
void SetLoop(bool loop);
void SetInterpolation(bool interpolation);
void Play();
void Pause();
void TogglePause();
void Stop();
};
@ -124,42 +103,31 @@ namespace cmixer
std::vector<char> userBuffer;
void ClearImplementation() override;
void RewindImplementation() override;
void FillBuffer(int16_t* buffer, int length) override;
inline uint8_t* data8() const
{ return reinterpret_cast<uint8_t*>(span.data()); }
inline int16_t* data16() const
{ return reinterpret_cast<int16_t*>(span.data()); }
inline uint8_t* data8() const { return reinterpret_cast<uint8_t*>(span.data()); }
inline int16_t* data16() const { return reinterpret_cast<int16_t*>(span.data()); }
public:
WavStream();
void Init(
int theSampleRate,
int theBitDepth,
int nChannels,
bool bigEndian,
std::span<char> data
);
void Init(int theSampleRate, int theBitDepth, int nChannels, bool bigEndian, std::span<char> data);
std::span<char> GetBuffer(int nBytesOut);
std::span<char> SetBuffer(std::vector<char>&& data);
};
// Guard class that safely removes the source from the mixer when the guard object is destroyed.
class SourceMixGuard
{
Source& source;
public:
SourceMixGuard(Source& theSource) : source(theSource) {}
~SourceMixGuard() { source.RemoveFromMixer(); }
};
void InitWithSDL();
void ShutdownWithSDL();
double GetMasterGain();
void SetMasterGain(double);
WavStream LoadWAVFromFile(const char* path);
}