54 lines
No EOL
1.7 KiB
C++
54 lines
No EOL
1.7 KiB
C++
#pragma once
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#include "Defaults.h"
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#include "StereoBuffer.h"
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#include "Voice.h"
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#include "readerwriterqueue.h"
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#include <absl/container/flat_hash_map.h>
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#include <filesystem>
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#include <optional>
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#include <sndfile.hh>
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#include <string_view>
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#include <thread>
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namespace sfz {
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class FilePool {
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public:
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FilePool()
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: fileLoadingThread(std::thread(&FilePool::loadingThread, this))
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{
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}
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~FilePool()
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{
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quitThread = true;
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fileLoadingThread.join();
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}
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void setRootDirectory(const std::filesystem::path& directory) noexcept { rootDirectory = directory; }
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size_t getNumPreloadedSamples() const noexcept { return preloadedData.size(); }
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struct FileInformation {
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int numChannels { 1 };
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uint32_t end { Default::sampleEndRange.getEnd() };
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uint32_t loopBegin { Default::loopRange.getStart() };
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uint32_t loopEnd { Default::loopRange.getEnd() };
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double sampleRate { config::defaultSampleRate };
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std::shared_ptr<StereoBuffer<float>> preloadedData;
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};
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std::optional<FileInformation> getFileInformation(std::string_view filename) noexcept;
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void enqueueLoading(Voice* voice, std::string_view sample, int numFrames) noexcept;
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private:
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std::filesystem::path rootDirectory;
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struct FileLoadingInformation {
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Voice* voice;
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std::string_view sample;
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int numFrames;
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};
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moodycamel::BlockingReaderWriterQueue<FileLoadingInformation> loadingQueue;
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void loadingThread() noexcept;
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std::thread fileLoadingThread;
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bool quitThread { false };
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absl::flat_hash_map<std::string_view, std::shared_ptr<StereoBuffer<float>>> preloadedData;
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LEAK_DETECTOR(FilePool);
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};
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} |