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43 lines
923 B
43 lines
923 B
2 years ago
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#pragma once
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#include <memory>
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#include <optional>
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#include <string>
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#include "freertos/portmacro.h"
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#include "audio_element.hpp"
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#include "himem.hpp"
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#include "stream_info.hpp"
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namespace audio {
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static const std::size_t kPipelineBufferSize = 32 * 1024;
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class Pipeline {
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public:
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Pipeline(IAudioElement* output);
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~Pipeline();
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auto AddInput(IAudioElement* input) -> Pipeline*;
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auto OutputElement() const -> IAudioElement*;
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auto NumInputs() const -> std::size_t;
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auto InStreams(std::vector<MappableRegion<kPipelineBufferSize>>*,
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std::vector<MutableStream>*) -> void;
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auto OutStream(MappableRegion<kPipelineBufferSize>*) -> MutableStream;
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auto GetIterationOrder() -> std::vector<Pipeline*>;
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private:
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IAudioElement* root_;
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std::vector<std::unique_ptr<Pipeline>> subtrees_;
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HimemAlloc<kPipelineBufferSize> output_buffer_;
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StreamInfo output_info_;
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};
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} // namespace audio
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