sdrangel/sdrbase/dsp/channelsamplesource.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015-2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// //
// 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 as 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 V3 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/>. //
///////////////////////////////////////////////////////////////////////////////////
// This is a lightweight channel sample source interface
#ifndef SDRBASE_DSP_CHANNELSAMPLESOURCE_H_
#define SDRBASE_DSP_CHANNELSAMPLESOURCE_H_
#include "export.h"
#include "dsp/dsptypes.h"
class SDRBASE_API ChannelSampleSource {
public:
ChannelSampleSource();
virtual ~ChannelSampleSource();
virtual void pull(SampleVector::iterator begin, unsigned int nbSamples) = 0; //!< pull nbSamples from the source and write them starting at begin
virtual void pullOne(Sample& sample) = 0; //!< pull a single sample from the source
virtual void prefetch(unsigned int nbSamples) = 0; //!< Do operation(s) before pulling nbSamples
};
#endif // SDRBASE_DSP_CHANNELSAMPLESOURCE_H_