54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
//=========================================================================
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// Name: ComputeRfSpectrumStep.h
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// Purpose: Describes a RF spectrum computation step step in the audio pipeline.
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//
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// Authors: Mooneer Salem
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// License:
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//
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// All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2.1,
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// as published by the Free Software Foundation. This program is
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// distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, see <http://www.gnu.org/licenses/>.
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//
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//=========================================================================
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#ifndef AUDIO_PIPELINE__COMPUTE_RF_SPECTRUM_STEP_H
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#define AUDIO_PIPELINE__COMPUTE_RF_SPECTRUM_STEP_H
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#include <memory>
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#include <functional>
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#include "modem_stats.h"
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#include "IPipelineStep.h"
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class ComputeRfSpectrumStep : public IPipelineStep
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{
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public:
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// Note: only supports 8 kHz, so needs to be inserted into an AudioPipeline
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// in order to downconvert properly.
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ComputeRfSpectrumStep(
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std::function<struct MODEM_STATS*()> modemStatsFn,
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std::function<float*()> getAvMagFn);
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virtual ~ComputeRfSpectrumStep();
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virtual int getInputSampleRate() const override;
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virtual int getOutputSampleRate() const override;
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virtual short* execute(short* inputSamples, int numInputSamples, int* numOutputSamples) override;
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private:
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std::function<struct MODEM_STATS*()> modemStatsFn_;
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std::function<float*()> getAvMagFn_;
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float* rxSpectrum_;
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COMP* rxFdm_;
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};
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#endif // AUDIO_PIPELINE__COMPUTE_RF_SPECTRUM_STEP_H
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