mirror of https://github.com/f4exb/sdrangel.git
123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 Edouard Griffiths, F4EXB //
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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 as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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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 //
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// 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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// //
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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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#include "util/simpleserializer.h"
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#include "filesourcesettings.h"
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const unsigned int FileSourceSettings::m_accelerationMaxScale = 2;
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FileSourceSettings::FileSourceSettings()
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{
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resetToDefaults();
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}
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void FileSourceSettings::resetToDefaults()
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{
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m_centerFrequency = 435000000;
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m_sampleRate = 48000;
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m_fileName = "./test.sdriq";
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m_accelerationFactor = 1;
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m_loop = true;
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}
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QByteArray FileSourceSettings::serialize() const
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{
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SimpleSerializer s(1);
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s.writeString(1, m_fileName);
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s.writeU32(2, m_accelerationFactor);
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s.writeBool(3, m_loop);
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return s.final();
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}
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bool FileSourceSettings::deserialize(const QByteArray& data)
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{
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SimpleDeserializer d(data);
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if(!d.isValid()) {
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resetToDefaults();
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return false;
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}
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if(d.getVersion() == 1) {
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d.readString(1, &m_fileName, "./test.sdriq");
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d.readU32(2, &m_accelerationFactor, 1);
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d.readBool(3, &m_loop, true);
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return true;
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} else {
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resetToDefaults();
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return false;
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}
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}
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int FileSourceSettings::getAccelerationIndex(int accelerationValue)
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{
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if (accelerationValue <= 1) {
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return 0;
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}
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int v = accelerationValue;
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int j = 0;
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for (int i = 0; i <= accelerationValue; i++)
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{
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if (v < 20)
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{
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if (v < 2) {
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j = 0;
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} else if (v < 5) {
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j = 1;
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} else if (v < 10) {
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j = 2;
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} else {
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j = 3;
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}
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return 3*i + j;
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}
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v /= 10;
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}
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return 3*m_accelerationMaxScale + 3;
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}
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int FileSourceSettings::getAccelerationValue(int accelerationIndex)
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{
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if (accelerationIndex <= 0) {
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return 1;
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}
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unsigned int v = accelerationIndex - 1;
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int m = pow(10.0, v/3 > m_accelerationMaxScale ? m_accelerationMaxScale : v/3);
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int x = 1;
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if (v % 3 == 0) {
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x = 2;
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} else if (v % 3 == 1) {
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x = 5;
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} else if (v % 3 == 2) {
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x = 10;
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}
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return x * m;
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}
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