Files
inspectrum/samplebuffer.h
Josh Blum 3f5e373ee4 replace off_t with size_t to match system pointer size
I was having an issue with size of off_t on a multi-gigabit file.
This may have been related to long being a signed 32 bits on MSVC.
But I think there is good reason to use size_t here in general:

https://stackoverflow.com/questions/10634629/what-are-the-usage-differences-between-size-t-and-off-t
2017-11-25 16:06:08 -06:00

51 lines
1.5 KiB
C++

/*
* Copyright (C) 2015, Mike Walters <mike@flomp.net>
*
* This file is part of inspectrum.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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/>.
*/
#pragma once
#include <QMutex>
#include <complex>
#include <memory>
#include "samplesource.h"
template <typename Tin, typename Tout>
class SampleBuffer : public SampleSource<Tout>, public Subscriber
{
private:
std::shared_ptr<SampleSource<Tin>> src;
QMutex mutex;
public:
SampleBuffer(std::shared_ptr<SampleSource<Tin>> src);
~SampleBuffer();
void invalidateEvent();
virtual std::unique_ptr<Tout[]> getSamples(size_t start, size_t length);
virtual void work(void *input, void *output, int count, size_t sampleid) = 0;
virtual size_t count() {
return src->count();
};
size_t rate() {
return src->rate();
};
float relativeBandwidth() {
return 1;
}
};