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107 lines
5.0 KiB
C++
107 lines
5.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 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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// (at your option) any later version. //
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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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#ifndef PLUGINS_CHANNELRX_DEMODATV_ATVDEMODSETTINGS_H_
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#define PLUGINS_CHANNELRX_DEMODATV_ATVDEMODSETTINGS_H_
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#include <QByteArray>
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#include <QString>
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#include <stdint.h>
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class Serializable;
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struct ATVDemodSettings
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{
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enum ATVModulation {
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ATV_FM1, //!< Classical frequency modulation with discriminator #1
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ATV_FM2, //!< Classical frequency modulation with discriminator #2
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ATV_FM3, //!< Classical frequency modulation with phase derivative discriminator
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ATV_AM, //!< Classical amplitude modulation
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ATV_USB, //!< AM with vestigial lower side band (main signal is in the upper side)
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ATV_LSB //!< AM with vestigial upper side band (main signal is in the lower side)
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};
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enum ATVStd
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{
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ATVStdPAL625,
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ATVStdPAL525,
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ATVStd405,
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ATVStdShortInterleaved,
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ATVStdShort,
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ATVStdHSkip
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};
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// RF settings
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qint64 m_inputFrequencyOffset; //!< Offset from baseband center frequency
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bool m_forceDecimator; //!< Force use of rational decimator when channel sample rate matches TV sample rate
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int m_bfoFrequency; //!< BFO frequency (Hz)
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ATVModulation m_atvModulation; //!< RF modulation type
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float m_fmDeviation; //!< Expected FM deviation
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int m_amScalingFactor; //!< Factor in % to apply to detected signal scale
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int m_amOffsetFactor; //!< Factor in % to apply to adjusted signal scale
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bool m_fftFiltering; //!< Toggle FFT filter
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unsigned int m_fftOppBandwidth; //!< FFT filter lower frequency cutoff (Hz)
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unsigned int m_fftBandwidth; //!< FFT filter high frequency cutoff (Hz)
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// ATV settings
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int m_nbLines; //!< Number of lines per full frame
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int m_fps; //!< Number of frames per second
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ATVStd m_atvStd; //!< Standard
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bool m_hSync; //!< Enable/disable horizontal sybchronization
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bool m_vSync; //!< Enable/disable vertical synchronization
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bool m_invertVideo; //!< Toggle invert video
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bool m_halfFrames; //!< Toggle half frames processing
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float m_levelSynchroTop; //!< Horizontal synchronization top level (0.0 to 1.0 scale)
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float m_levelBlack; //!< Black level (0.0 to 1.0 scale)
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int m_lineTimeFactor; //!< added: +/- 100 something
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int m_topTimeFactor; //!< percentage of nominal horizontal top (pulse) time
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// common channel settings
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quint32 m_rgbColor;
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QString m_title;
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QString m_udpAddress;
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uint16_t m_udpPort;
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Serializable *m_channelMarker;
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int m_streamIndex;
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ATVDemodSettings();
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void resetToDefaults();
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void setChannelMarker(Serializable *channelMarker) { m_channelMarker = channelMarker; }
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QByteArray serialize() const;
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bool deserialize(const QByteArray& data);
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float getLineTime(unsigned int sampleRate);
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float getTopTime(unsigned int sampleRate);
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int getRFSliderDivisor(unsigned int sampleRate);
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static int getFps(int fpsIndex);
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static int getFpsIndex(int fps);
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static int getNumberOfLines(int nbLinesIndex);
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static int getNumberOfLinesIndex(int nbLines);
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static float getNominalLineTime(int nbLines, int fps);
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static float getRFBandwidthDivisor(ATVModulation modulation);
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static void getBaseValues(int sampleRate, int linesPerSecond, int& tvSampleRate, uint32_t& nbPointsPerLine);
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private:
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void lineTimeUpdate(unsigned int sampleRate);
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float m_fltLineTimeMultiplier;
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int m_rfSliderDivisor;
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};
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#endif /* PLUGINS_CHANNELRX_DEMODATV_ATVDEMODSETTINGS_H_ */
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