freedv-gui/src/pipeline/RecordStep.h

60 lines
1.9 KiB
C++

//=========================================================================
// Name: RecordStep.h
// Purpose: Describes a record step in the audio pipeline.
//
// Authors: Mooneer Salem
// License:
//
// All rights reserved.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.1,
// as published by the Free Software Foundation. This program is
// distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, see <http://www.gnu.org/licenses/>.
//
//=========================================================================
#ifndef AUDIO_PIPELINE__RECORD_STEP_H
#define AUDIO_PIPELINE__RECORD_STEP_H
#include "IPipelineStep.h"
#include <functional>
#include <sndfile.h>
#include <thread>
#include "codec2_fifo.h"
#include "../util/Semaphore.h"
class RecordStep : public IPipelineStep
{
public:
RecordStep(
int inputSampleRate, std::function<SNDFILE*()> getSndFileFn, std::function<void(int)> isFileCompleteFn);
virtual ~RecordStep();
virtual int getInputSampleRate() const override;
virtual int getOutputSampleRate() const override;
virtual short* execute(short* inputSamples, int numInputSamples, int* numOutputSamples) override;
virtual void reset() override;
private:
int inputSampleRate_;
std::function<int()> fileSampleRateFn_;
std::function<SNDFILE*()> getSndFileFn_;
std::function<void(int)> isFileCompleteFn_;
std::thread fileIoThread_;
FIFO* inputFifo_;
bool fileIoThreadEnding_;
Semaphore fileIoThreadSem_;
void fileIoThreadEntry_();
};
#endif // AUDIO_PIPELINE__RECORD_STEP_H