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66 lines
1.5 KiB
66 lines
1.5 KiB
/*
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* Copyright 2023 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <future>
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#include <memory>
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#include <string>
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#include "ff.h"
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#include "freertos/portmacro.h"
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#include "audio_source.hpp"
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#include "codec.hpp"
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#include "future_fetcher.hpp"
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#include "tag_parser.hpp"
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#include "tasks.hpp"
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#include "types.hpp"
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namespace audio {
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/*
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* Audio source that fetches data from a FatFs (or exfat i guess) filesystem.
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*
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* All public methods are safe to call from any task.
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*/
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class FatfsAudioInput : public IAudioSource {
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public:
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explicit FatfsAudioInput(database::ITagParser&, tasks::WorkerPool&);
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~FatfsAudioInput();
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/*
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* Immediately cease reading any current source, and begin reading from the
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* given file path.
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*/
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auto SetPath(std::optional<std::string>) -> void;
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auto SetPath(const std::string&,uint32_t offset = 0) -> void;
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auto SetPath() -> void;
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auto HasNewStream() -> bool override;
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auto NextStream() -> std::shared_ptr<TaggedStream> override;
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FatfsAudioInput(const FatfsAudioInput&) = delete;
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FatfsAudioInput& operator=(const FatfsAudioInput&) = delete;
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private:
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auto OpenFile(const std::string& path,uint32_t offset) -> bool;
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auto ContainerToStreamType(database::Container)
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-> std::optional<codecs::StreamType>;
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database::ITagParser& tag_parser_;
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tasks::WorkerPool& bg_worker_;
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std::mutex new_stream_mutex_;
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std::shared_ptr<TaggedStream> new_stream_;
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std::atomic<bool> has_new_stream_;
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};
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} // namespace audio
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