Alex Harker
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
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#include "FrameLib_AudioTrigger.h"
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#include <algorithm>
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// Constructor
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FrameLib_AudioTrigger::FrameLib_AudioTrigger(FrameLib_Context context, FrameLib_Parameters::Serial *serialisedParameters, FrameLib_Proxy *proxy) : FrameLib_Scheduler(context, proxy, nullptr, 0, 1, 1)
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{
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objectReset();
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}
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// Info
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std::string FrameLib_AudioTrigger::objectInfo(bool verbose)
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{
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return formatInfo("Translates non-zero samples into trigger frames: The output is an empty frame. Any non-zero audio sample triggers a frame.",
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"Translates non-zero samples into trigger frames.", verbose);
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}
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std::string FrameLib_AudioTrigger::outputInfo(unsigned long idx, bool verbose)
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{
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return "Empty Trigger Frames";
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}
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std::string FrameLib_AudioTrigger::audioInfo(unsigned long idx, bool verbose)
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{
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return formatInfo("Audio Input (non-zero triggers frames)", "Audio Input", verbose);
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}
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// Object Reset, Block Process and Process
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void FrameLib_AudioTrigger::objectReset()
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{
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if (mMaxBlockSize != bufferSize())
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mBuffer.resize(mMaxBlockSize);
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std::fill_n(mBuffer.begin(), bufferSize(), false);
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mBlockSize = 0;
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}
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void FrameLib_AudioTrigger::blockProcess(const double * const *ins, double **outs, unsigned long blockSize)
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{
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// Safety
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if (blockSize > bufferSize())
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return;
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for (unsigned long i = 0; i < blockSize; i++)
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mBuffer[i] = ins[0][i];
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mBlockSize = blockSize;
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}
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FrameLib_AudioTrigger::SchedulerInfo FrameLib_AudioTrigger::schedule(bool newFrame, bool noAdvance)
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{
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unsigned long offset = static_cast<unsigned long>(getCurrentTime().intVal() - getBlockStartTime().intVal());
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unsigned long i;
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// Find next trigger
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for (i = offset + 1; i < mBlockSize; i++)
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if (mBuffer[i])
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break;
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return SchedulerInfo(i - offset, mBuffer[offset], i < mBlockSize);
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}
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