source.hpp

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#pragma once

 
#include <pulp/audio/buffer.hpp>
 
#include <cstdint>
 
namespace pulp::audio {

class AudioSource {
public:
    virtual ~AudioSource() = default;

    virtual void prepare_to_play(int samples_per_block_expected,
                                  double sample_rate) = 0;

    virtual void release_resources() = 0;

    virtual void get_next_audio_block(BufferView<float> out,
                                       int start_sample,
                                       int num_samples) = 0;
};

class PositionableAudioSource : public AudioSource {
public:
    virtual void set_next_read_position(uint64_t new_position) = 0;

    virtual uint64_t get_next_read_position() const = 0;

    virtual uint64_t get_total_length() const = 0;

    virtual bool is_looping() const = 0;

    virtual void set_looping(bool /*should_loop*/) {}
};
 
} // namespace pulp::audio