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#pragma once
#include <cstddef>
#include <string>
#include <audiotypes.h>
#include "channel.h"
class AudioOutputEngine
{
public:
virtual ~AudioOutputEngine() = default;
virtual bool init(const Channels& channels) = 0;
virtual void setParm(const std::string& parm, const std::string& value) = 0;
virtual bool start() = 0;
virtual void stop() = 0;
virtual void pre(std::size_t nsamples) = 0;
virtual void run(int ch, sample_t *samples, std::size_t nsamples) = 0;
virtual void post(std::size_t nsamples) = 0;
virtual sample_t *getBuffer(int ch) const { return NULL; }
virtual std::size_t getBufferSize() const { return 1024; }
virtual std::size_t getSamplerate() const { return 44100; }
virtual bool isFreewheeling() const = 0;
virtual void onLatencyChange(std::size_t latency) {}
};
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