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			52 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			52 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
|  | ///////////////////////////////////////////////////////////////////////////////////
 | ||
|  | // Copyright (C) 2023 Edouard Griffiths, F4EXB                                   //
 | ||
|  | //                                                                               //
 | ||
|  | // 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.                                           //
 | ||
|  | //                                                                               //
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|  | // This program is distributed in the hope that it will be useful,               //
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|  | // but WITHOUT ANY WARRANTY; without even the implied warranty of                //
 | ||
|  | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
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|  | // GNU General Public License V3 for more details.                               //
 | ||
|  | //                                                                               //
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|  | // You should have received a copy of the GNU General Public License             //
 | ||
|  | // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 | ||
|  | ///////////////////////////////////////////////////////////////////////////////////
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|  | 
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|  | #include <QMutexLocker>
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|  | 
 | ||
|  | #include "ft8demodsettings.h"
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|  | #include "ft8buffer.h"
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|  | 
 | ||
|  | FT8Buffer::FT8Buffer() : | ||
|  |     m_bufferSize(FT8DemodSettings::m_ft8SampleRate*15), | ||
|  |     m_sampleIndex(0) | ||
|  | { | ||
|  |     m_buffer = new int16_t[2*m_bufferSize]; | ||
|  | } | ||
|  | 
 | ||
|  | FT8Buffer::~FT8Buffer() | ||
|  | { | ||
|  |     delete[] m_buffer; | ||
|  | } | ||
|  | 
 | ||
|  | void FT8Buffer::feed(int16_t sample) | ||
|  | { | ||
|  |     QMutexLocker mlock(&m_mutex); | ||
|  |     m_buffer[m_sampleIndex] = sample; | ||
|  |     m_buffer[m_sampleIndex + m_bufferSize] = sample; | ||
|  |     m_sampleIndex++; | ||
|  | 
 | ||
|  |     if (m_sampleIndex == m_bufferSize) { | ||
|  |         m_sampleIndex = 0; | ||
|  |     } | ||
|  | } | ||
|  | 
 | ||
|  | void FT8Buffer::getCurrentBuffer(int16_t *bufferCopy) | ||
|  | { | ||
|  |     QMutexLocker mlock(&m_mutex); | ||
|  |     std::copy(&m_buffer[m_sampleIndex], &m_buffer[m_sampleIndex + m_bufferSize], bufferCopy); | ||
|  | } |