eecbcdf59a
The audio output objects all have the same general necessary configuration calls. Abstract them out to a generic AudioOutputBase interface class that they will inherit from. Simplifies letting applications use different output channels. Should be backwards compatible with existing code.
21 lines
728 B
C++
21 lines
728 B
C++
// Abstract class for audio output devices to allow easy swapping between output devices
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#pragma once
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#include <Print.h>
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class AudioOutputBase : public Print {
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public:
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virtual ~AudioOutputBase() { }
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virtual bool setBuffers(size_t buffers, size_t bufferWords, int32_t silenceSample = 0) = 0;
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virtual bool setBitsPerSample(int bps) = 0;
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virtual bool setFrequency(int freq) = 0;
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virtual bool setStereo(bool stereo = true) = 0;
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virtual bool begin() = 0;
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virtual bool end() = 0;
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virtual bool getUnderflow() = 0;
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virtual void onTransmit(void(*)(void *), void *) = 0;
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// From Print
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virtual size_t write(const uint8_t *buffer, size_t size) = 0;
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virtual int availableForWrite() = 0;
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};
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