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38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
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#ifndef __pcmbuffer_hpp__
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#define __pcmbuffer_hpp__
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#include "buffer.hpp"
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class PcmBuffer : public Buffer {
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private:
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unsigned int numsamples, maxsamples;
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void *data;
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unsigned int samplerate;
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unsigned int channels;
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unsigned int bytespersample;
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protected:
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public:
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PcmBuffer() : data((void*)0) { }
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virtual ~PcmBuffer();
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virtual Type GetType() const { return TYPE_PCM; }
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unsigned int GetBlockSize() const { return channels*bytespersample; }
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unsigned int GetMaxSamples() const { return maxsamples; }
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void * GetData() const { return data; }
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void * GetDataAt(int sample) const { return (void*)((char*)data + (GetBlockSize()*(sample%numsamples))); }
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unsigned int GetNumSamples() const { return numsamples; }
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unsigned int GetSampleRate() const { return samplerate; }
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unsigned int GetNumChannels() const { return channels; }
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unsigned int GetBytesPerSample() const { return bytespersample; }
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unsigned int GetBitsPerSample() const { return bytespersample * 8; }
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void SetNumSamples(unsigned int s) { if (s > maxsamples) s = maxsamples; numsamples = s; }
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bool Allocate(unsigned int nsamp, unsigned int srate, unsigned int chans, unsigned int bps);
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bool ConvertToNByte(int n);
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};
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#endif
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