mirror of
https://github.com/mudita/MuditaOS.git
synced 2026-07-19 12:34:31 -04:00
d28fdb6594
Fix of the issue that caused system crash when trying to play 96kHz FLAC file with USB cable connected. The reason of the issue was the lack of FreeRTOS heap space left, what caused pvPortMalloc() to fail when allocating memory for stream buffer. Additionally minor code cleanup.
93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
// Copyright (c) 2017-2023, Mudita Sp. z.o.o. All rights reserved.
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// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
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#pragma once
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#include "Audio/AudioCommon.hpp"
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#include "Audio/Endpoint.hpp"
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#include "DecoderWorker.hpp"
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#include <memory>
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#include <vector>
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#include <tags_fetcher/TagsFetcher.hpp>
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namespace audio
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{
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namespace channel
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{
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constexpr inline auto monoSound = 1;
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constexpr inline auto stereoSound = 2;
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} // namespace channel
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class Decoder : public Source
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{
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public:
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Decoder(const std::string &path);
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virtual ~Decoder();
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virtual std::uint32_t decode(std::uint32_t samplesToRead, std::int16_t *pcmData) = 0;
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// Range 0 - 1
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virtual void setPosition(float pos) = 0;
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std::uint32_t getSampleRate()
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{
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return sampleRate;
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}
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std::uint32_t getChannelNumber()
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{
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return chanNumber;
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}
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float getCurrentPosition()
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{
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return position;
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}
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void onDataReceive() override;
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void enableInput() override;
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void disableInput() override;
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auto getSourceFormat() -> AudioFormat override;
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auto getSupportedFormats() -> std::vector<AudioFormat> override;
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auto getTraits() const -> Endpoint::Traits override;
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void startDecodingWorker(const DecoderWorker::EndOfFileCallback &endOfFileCallback);
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void stopDecodingWorker();
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// Factory method
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static std::unique_ptr<Decoder> Create(const std::string &path);
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protected:
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virtual auto getBitWidth() -> unsigned int
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{
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return bitsPerSample;
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}
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virtual std::unique_ptr<tags::fetcher::Tags> fetchTags();
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static constexpr Endpoint::Traits decoderCaps = {.usesDMA = false};
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std::uint32_t sampleRate = 0;
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std::uint32_t chanNumber = 0;
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std::uint32_t bitsPerSample;
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float position = 0;
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std::FILE *fd = nullptr;
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std::unique_ptr<char[]> streamBuffer;
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std::uint32_t fileSize = 0;
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std::string filePath;
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std::unique_ptr<tags::fetcher::Tags> tags;
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bool isInitialized = false;
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// decoding worker
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std::unique_ptr<DecoderWorker> audioWorker;
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DecoderWorker::EndOfFileCallback _endOfFileCallback;
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};
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} // namespace audio
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