c89c1558e3
- fixed passthrough when capturing - added declicking fades when bypassing input passthrough, playback, and recording - layout tweaks for extra small windows - waveform scrollbar improvements, visible edge drag handles, and allows dragging from anywhere - minor visual tweaks - license header mods, and LICENSE file consolidation
75 lines
3.2 KiB
C++
75 lines
3.2 KiB
C++
// SPDX-License-Identifier: GPLv3-or-later WITH Appstore-exception
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// Copyright (C) 2017 Xenakios
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// Copyright (C) 2020 Jesse Chappell
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#pragma once
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#include "../JuceLibraryCode/JuceHeader.h"
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class JUCE_API MyBufferingAudioSource : public PositionableAudioSource,
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private TimeSliceClient
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{
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public:
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//==============================================================================
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/** Creates a BufferingAudioSource.
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@param source the input source to read from
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@param backgroundThread a background thread that will be used for the
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background read-ahead. This object must not be deleted
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until after any BufferingAudioSources that are using it
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have been deleted!
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@param deleteSourceWhenDeleted if true, then the input source object will
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be deleted when this object is deleted
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@param numberOfSamplesToBuffer the size of buffer to use for reading ahead
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@param numberOfChannels the number of channels that will be played
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@param prefillBufferOnPrepareToPlay if true, then calling prepareToPlay on this object will
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block until the buffer has been filled
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*/
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MyBufferingAudioSource(PositionableAudioSource* source,
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TimeSliceThread& backgroundThread,
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bool deleteSourceWhenDeleted,
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int numberOfSamplesToBuffer,
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int numberOfChannels = 2,
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bool prefillBufferOnPrepareToPlay = true);
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~MyBufferingAudioSource();
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void prepareToPlay (int samplesPerBlockExpected, double sampleRate) override;
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void releaseResources() override;
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void getNextAudioBlock (const AudioSourceChannelInfo&) override;
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void setNextReadPosition (int64 newPosition) override;
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int64 getNextReadPosition() const override;
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int64 getTotalLength() const override { return source->getTotalLength(); }
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bool isLooping() const override { return source->isLooping(); }
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bool waitForNextAudioBlockReady (const AudioSourceChannelInfo& info, const uint32 timeout);
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[[nodiscard]] double getPercentReady() const;
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int getNumberOfChannels() { return numberOfChannels; }
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private:
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//==============================================================================
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OptionalScopedPointer<PositionableAudioSource> source;
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TimeSliceThread& backgroundThread;
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int numberOfSamplesToBuffer, numberOfChannels;
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AudioBuffer<float> buffer;
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CriticalSection bufferStartPosLock;
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WaitableEvent bufferReadyEvent;
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std::atomic<int64> bufferValidStart { 0 }, bufferValidEnd { 0 }, nextPlayPos { 0 };
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double sampleRate = 0;
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bool wasSourceLooping = false, isPrepared = false, prefillBuffer;
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bool readNextBufferChunk();
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void readBufferSection (int64 start, int length, int bufferOffset);
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int useTimeSlice() override;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MyBufferingAudioSource)
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};
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