cannam@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@0: 
cannam@0: #ifndef _BUFFERING_AUDIO_CALLBACK_RECORD_TARGET_H_
cannam@0: #define _BUFFERING_AUDIO_CALLBACK_RECORD_TARGET_H_
cannam@0: 
cannam@0: #include "AudioCallbackRecordTarget.h"
Chris@16: #include "RingBuffer.h"
cannam@0: 
cannam@2: #define MAX_DISTINCT_STEP_SIZES 16
cannam@2: 
cannam@0: class BufferingAudioCallbackRecordTarget : public AudioCallbackRecordTarget
cannam@0: {
cannam@0: public:
cannam@0:     BufferingAudioCallbackRecordTarget();
cannam@0:     virtual ~BufferingAudioCallbackRecordTarget();
cannam@0: 
cannam@0:     virtual size_t getPreferredSampleRate() const { return 0; }
cannam@0:     virtual size_t getChannelCount() const { return 2; }
cannam@0:     
cannam@0:     virtual void setSourceBlockSize(size_t bs) { m_sourceBlockSize = bs; }
cannam@0:     virtual void setSourceSampleRate(size_t sr) { m_sourceSampleRate = sr; }
cannam@0:     virtual void setSourceRecordLatency(size_t rl) { m_sourceRecordLatency = rl; }
cannam@0: 
cannam@0:     size_t getSourceBlockSize() const { return m_sourceBlockSize; }
cannam@0:     size_t getSourceSampleRate() const { return m_sourceSampleRate; }
cannam@0:     size_t getSourceRecordLatency() const { return m_sourceRecordLatency; }
cannam@0: 
cannam@0:     virtual void putSamples(size_t nframes, float **samples);
cannam@0: 
cannam@2:     virtual size_t samplesReady(int reader = 0) const;
cannam@2:     virtual size_t getSamples(size_t channel, size_t nframes, float *samples,
cannam@2:                               int reader = 0);
cannam@2:     virtual size_t peekSamples(size_t channel, size_t nframes, float *samples,
cannam@2:                                int reader = 0);
cannam@2:     virtual size_t skipSamples(size_t channel, size_t nframes, int reader = 0);
cannam@5:     virtual size_t skipAllSamples(size_t channel, int reader = 0);
cannam@0:     
cannam@0:     virtual void setInputLevels(float, float) { }
cannam@0: 
cannam@0:     virtual void audioProcessingOverload() { }
cannam@0: 
cannam@0: protected:
cannam@2:     std::vector<RingBuffer<float, MAX_DISTINCT_STEP_SIZES> *> m_buffers;
cannam@0:     
cannam@0:     size_t m_sourceBlockSize;
cannam@0:     size_t m_sourceSampleRate;
cannam@0:     size_t m_sourceRecordLatency;
cannam@0: };
cannam@0: 
cannam@0: #endif
cannam@0: