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| author | ailurux <ailuruxx@gmail.com> | 2024-05-10 13:06:20 +1000 |
|---|---|---|
| committer | ailurux <ailuruxx@gmail.com> | 2024-05-10 13:06:20 +1000 |
| commit | 3f177cdb8880abf199f4445f1398cd69fb813892 (patch) | |
| tree | e20de4949b1344c826e5af41ab701f3db75b21bc /src/audio/include/readahead_source.hpp | |
| parent | 8019c7691889cde4c3d40bbd78d485a92d713bbf (diff) | |
| parent | e4ce7c4ac23402e09be8d6a52e0f739c0dff4ff0 (diff) | |
| download | tangara-fw-3f177cdb8880abf199f4445f1398cd69fb813892.tar.gz | |
Merge branch 'main' into file-browser
Diffstat (limited to 'src/audio/include/readahead_source.hpp')
| -rw-r--r-- | src/audio/include/readahead_source.hpp | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/src/audio/include/readahead_source.hpp b/src/audio/include/readahead_source.hpp deleted file mode 100644 index 3e18a989..00000000 --- a/src/audio/include/readahead_source.hpp +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright 2023 jacqueline <me@jacqueline.id.au> - * - * SPDX-License-Identifier: GPL-3.0-only - */ - -#pragma once - -#include <cstddef> -#include <cstdint> -#include <memory> - -#include "freertos/FreeRTOS.h" - -#include "ff.h" -#include "freertos/stream_buffer.h" - -#include "audio_source.hpp" -#include "codec.hpp" -#include "tasks.hpp" - -namespace audio { - -/* - * Wraps another stream, proactively buffering large chunks of it into memory - * at a time. - */ -class ReadaheadSource : public codecs::IStream { - public: - ReadaheadSource(tasks::WorkerPool&, std::unique_ptr<codecs::IStream>); - ~ReadaheadSource(); - - auto Read(cpp::span<std::byte> dest) -> ssize_t override; - - auto CanSeek() -> bool override; - - auto SeekTo(int64_t destination, SeekFrom from) -> void override; - - auto CurrentPosition() -> int64_t override; - - auto Size() -> std::optional<int64_t> override; - - auto SetPreambleFinished() -> void override; - - ReadaheadSource(const ReadaheadSource&) = delete; - ReadaheadSource& operator=(const ReadaheadSource&) = delete; - - private: - auto BeginReadahead() -> void; - - tasks::WorkerPool& worker_; - std::unique_ptr<codecs::IStream> wrapped_; - - bool readahead_enabled_; - std::atomic<bool> is_refilling_; - StreamBufferHandle_t buffer_; - int64_t tell_; -}; - -} // namespace audio |
