70 lines
No EOL
2.7 KiB
C++
70 lines
No EOL
2.7 KiB
C++
#include "FilePool.h"
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#include <chrono>
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using namespace std::chrono_literals;
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std::optional<sfz::FilePool::FileInformation> sfz::FilePool::getFileInformation(std::string_view filename)
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{
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std::filesystem::path file { rootDirectory / filename };
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if (!std::filesystem::exists(file))
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return {};
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SndfileHandle sndFile ( reinterpret_cast<const char*>(file.c_str()) );
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FileInformation returnedValue;
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returnedValue.end = static_cast<uint32_t>(sndFile.frames());
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returnedValue.sampleRate = static_cast<double>(sndFile.samplerate());
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SF_INSTRUMENT instrumentInfo;
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sndFile.command(SFC_GET_INSTRUMENT, &instrumentInfo, sizeof(instrumentInfo));
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if (instrumentInfo.loop_count == 1)
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{
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returnedValue.loopBegin = instrumentInfo.loops[0].start;
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returnedValue.loopEnd = instrumentInfo.loops[0].end;
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}
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auto preloadedSize = std::min(returnedValue.end, static_cast<uint32_t>(config::preloadSize));
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returnedValue.preloadedData = std::make_shared<StereoBuffer<float>>(preloadedSize);
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sndFile.readf(tempReadBuffer.data(), preloadedSize);
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returnedValue.preloadedData->readInterleaved<SIMDConfig::useSIMD>(tempReadBuffer.data(), preloadedSize);
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preloadedData[filename] = returnedValue.preloadedData;
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// char buffer [2048] ;
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// sndFile.command(SFC_GET_LOG_INFO, buffer, sizeof(buffer)) ;
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// DBG(buffer);
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return returnedValue;
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}
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void sfz::FilePool::enqueueLoading(Voice* voice, std::string_view sample, int numFrames)
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{
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if (!loadingQueue.try_enqueue({ voice, sample, numFrames }))
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DBG("Problem enqueuing a file read for file " << sample);
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}
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void sfz::FilePool::loadingThread()
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{
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FileLoadingInformation fileToLoad;
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while (!quitThread)
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{
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if (!loadingQueue.wait_dequeue_timed(fileToLoad, 1ms))
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continue;
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if (fileToLoad.voice == nullptr)
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{
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DBG("Background thread error: voice is null.");
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continue;
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}
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DBG("Background loading of: " << fileToLoad.sample);
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std::filesystem::path file { rootDirectory / fileToLoad.sample };
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if (!std::filesystem::exists(file))
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{
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DBG("Background thread: no file " << fileToLoad.sample << " exists.");
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continue;
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}
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SndfileHandle sndFile ( reinterpret_cast<const char*>(file.c_str()) );
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auto fileLoaded = std::make_unique<StereoBuffer<float>>(fileToLoad.numFrames);
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auto readBuffer = std::make_unique<Buffer<float>>(fileToLoad.numFrames * 2);
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sndFile.readf(readBuffer->data(), fileToLoad.numFrames);
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fileLoaded->readInterleaved<SIMDConfig::useSIMD>(readBuffer->data(), fileToLoad.numFrames);
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fileToLoad.voice->setFileData(std::move(fileLoaded));
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}
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} |