mirror of
https://github.com/f4exb/sdrangel.git
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1118 lines
38 KiB
C++
1118 lines
38 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 <QDebug>
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#include <time.h>
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#include "opencv2/imgproc/imgproc.hpp"
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#include "dsp/upchannelizer.h"
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#include "dsp/threadedbasebandsamplesource.h"
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#include "device/devicesinkapi.h"
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#include "atvmod.h"
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureATVMod, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureChannelizer, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureImageFileName, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureVideoFileName, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureVideoFileSourceSeek, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureVideoFileSourceStreamTiming, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgReportVideoFileSourceStreamTiming, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgReportVideoFileSourceStreamData, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureCameraIndex, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureCameraData, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgReportCameraData, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureOverlayText, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureShowOverlayText, Message)
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MESSAGE_CLASS_DEFINITION(ATVMod::MsgReportEffectiveSampleRate, Message)
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const float ATVMod::m_blackLevel = 0.3f;
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const float ATVMod::m_spanLevel = 0.7f;
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const int ATVMod::m_levelNbSamples = 10000; // every 10ms
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const int ATVMod::m_nbBars = 6;
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const int ATVMod::m_cameraFPSTestNbFrames = 100;
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const int ATVMod::m_ssbFftLen = 1024;
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ATVMod::ATVMod(DeviceSinkAPI *deviceAPI) :
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m_deviceAPI(deviceAPI),
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m_modPhasor(0.0f),
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m_tvSampleRate(1000000),
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m_evenImage(true),
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m_settingsMutex(QMutex::Recursive),
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m_horizontalCount(0),
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m_lineCount(0),
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m_movingAverage(40, 0),
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m_imageOK(false),
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m_videoFPSq(1.0f),
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m_videoFPSCount(0.0f),
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m_videoPrevFPSCount(0),
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m_videoEOF(false),
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m_videoOK(false),
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m_cameraIndex(-1),
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m_showOverlayText(false),
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m_SSBFilter(0),
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m_SSBFilterBuffer(0),
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m_SSBFilterBufferIndex(0),
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m_DSBFilter(0),
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m_DSBFilterBuffer(0),
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m_DSBFilterBufferIndex(0)
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{
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setObjectName("ATVMod");
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scanCameras();
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m_channelizer = new UpChannelizer(this);
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m_threadedChannelizer = new ThreadedBasebandSampleSource(m_channelizer, this);
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m_deviceAPI->addThreadedSource(m_threadedChannelizer);
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m_SSBFilter = new fftfilt(0, m_settings.m_rfBandwidth / m_settings.m_outputSampleRate, m_ssbFftLen);
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m_SSBFilterBuffer = new Complex[m_ssbFftLen>>1]; // filter returns data exactly half of its size
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memset(m_SSBFilterBuffer, 0, sizeof(Complex)*(m_ssbFftLen>>1));
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m_DSBFilter = new fftfilt((2.0f * m_settings.m_rfBandwidth) / m_settings.m_outputSampleRate, 2 * m_ssbFftLen);
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m_DSBFilterBuffer = new Complex[m_ssbFftLen];
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memset(m_DSBFilterBuffer, 0, sizeof(Complex)*(m_ssbFftLen));
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m_interpolatorDistanceRemain = 0.0f;
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m_interpolatorDistance = 1.0f;
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applySettings(m_settings, true); // does applyStandard() too;
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m_movingAverage.resize(16, 0);
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}
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ATVMod::~ATVMod()
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{
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if (m_video.isOpened()) m_video.release();
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releaseCameras();
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m_deviceAPI->removeThreadedSource(m_threadedChannelizer);
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delete m_threadedChannelizer;
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delete m_channelizer;
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}
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void ATVMod::pullAudio(int nbSamples __attribute__((unused)))
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{
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}
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void ATVMod::pull(Sample& sample)
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{
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if (m_settings.m_channelMute)
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{
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sample.m_real = 0.0f;
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sample.m_imag = 0.0f;
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return;
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}
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Complex ci;
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m_settingsMutex.lock();
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if ((m_tvSampleRate == m_settings.m_outputSampleRate) && (!m_settings.m_forceDecimator)) // no interpolation nor decimation
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{
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modulateSample();
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pullFinalize(m_modSample, sample);
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}
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else
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{
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if (m_interpolatorDistance > 1.0f) // decimate
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{
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modulateSample();
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while (!m_interpolator.decimate(&m_interpolatorDistanceRemain, m_modSample, &ci))
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{
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modulateSample();
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}
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}
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else
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{
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if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, m_modSample, &ci))
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{
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modulateSample();
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}
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}
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m_interpolatorDistanceRemain += m_interpolatorDistance;
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pullFinalize(ci, sample);
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}
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}
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void ATVMod::pullFinalize(Complex& ci, Sample& sample)
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{
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ci *= m_carrierNco.nextIQ(); // shift to carrier frequency
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m_settingsMutex.unlock();
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Real magsq = ci.real() * ci.real() + ci.imag() * ci.imag();
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magsq /= (1<<30);
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m_movingAverage.feed(magsq);
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sample.m_real = (FixReal) ci.real();
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sample.m_imag = (FixReal) ci.imag();
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}
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void ATVMod::modulateSample()
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{
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Real t;
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pullVideo(t);
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calculateLevel(t);
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t = m_settings.m_invertedVideo ? 1.0f - t : t;
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switch (m_settings.m_atvModulation)
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{
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case ATVModSettings::ATVModulationFM: // FM half bandwidth deviation
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m_modPhasor += (t - 0.5f) * m_settings.m_fmExcursion * 2.0f * M_PI;
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if (m_modPhasor > 2.0f * M_PI) m_modPhasor -= 2.0f * M_PI; // limit growth
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if (m_modPhasor < 2.0f * M_PI) m_modPhasor += 2.0f * M_PI; // limit growth
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m_modSample.real(cos(m_modPhasor) * m_settings.m_rfScalingFactor); // -1 dB
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m_modSample.imag(sin(m_modPhasor) * m_settings.m_rfScalingFactor);
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break;
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case ATVModSettings::ATVModulationLSB:
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case ATVModSettings::ATVModulationUSB:
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m_modSample = modulateSSB(t);
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m_modSample *= m_settings.m_rfScalingFactor;
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break;
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case ATVModSettings::ATVModulationVestigialLSB:
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case ATVModSettings::ATVModulationVestigialUSB:
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m_modSample = modulateVestigialSSB(t);
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m_modSample *= m_settings.m_rfScalingFactor;
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break;
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case ATVModSettings::ATVModulationAM: // AM 90%
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default:
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m_modSample.real((t*1.8f + 0.1f) * (m_settings.m_rfScalingFactor/2.0f)); // modulate and scale zero frequency carrier
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m_modSample.imag(0.0f);
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}
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}
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Complex& ATVMod::modulateSSB(Real& sample)
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{
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int n_out;
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Complex ci(sample, 0.0f);
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fftfilt::cmplx *filtered;
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n_out = m_SSBFilter->runSSB(ci, &filtered, m_settings.m_atvModulation == ATVModSettings::ATVModulationUSB);
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if (n_out > 0)
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{
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memcpy((void *) m_SSBFilterBuffer, (const void *) filtered, n_out*sizeof(Complex));
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m_SSBFilterBufferIndex = 0;
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}
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m_SSBFilterBufferIndex++;
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return m_SSBFilterBuffer[m_SSBFilterBufferIndex-1];
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}
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Complex& ATVMod::modulateVestigialSSB(Real& sample)
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{
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int n_out;
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Complex ci(sample, 0.0f);
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fftfilt::cmplx *filtered;
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n_out = m_DSBFilter->runAsym(ci, &filtered, m_settings.m_atvModulation == ATVModSettings::ATVModulationVestigialUSB);
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if (n_out > 0)
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{
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memcpy((void *) m_DSBFilterBuffer, (const void *) filtered, n_out*sizeof(Complex));
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m_DSBFilterBufferIndex = 0;
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}
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m_DSBFilterBufferIndex++;
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return m_DSBFilterBuffer[m_DSBFilterBufferIndex-1];
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}
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void ATVMod::pullVideo(Real& sample)
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{
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if ((m_settings.m_atvStd == ATVModSettings::ATVStdHSkip) && (m_lineCount == m_nbLines2)) // last line in skip mode
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{
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pullImageLine(sample, true); // pull image line without sync
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}
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else if (m_lineCount < m_nbLines2 + 1) // even image or non interlaced
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{
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int iLine = m_lineCount;
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if (iLine < m_nbSyncLinesHeadE + m_nbBlankLines)
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{
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pullVSyncLine(sample);
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}
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else if (iLine > m_nbLines2 - m_nbSyncLinesBottom)
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{
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pullVSyncLine(sample);
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}
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else
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{
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pullImageLine(sample);
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}
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}
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else // odd image
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{
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int iLine = m_lineCount - m_nbLines2 - 1;
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if (iLine < m_nbSyncLinesHeadO + m_nbBlankLines)
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{
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pullVSyncLine(sample);
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}
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else if (iLine > m_nbLines2 - 1 - m_nbSyncLinesBottom)
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{
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pullVSyncLine(sample);
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}
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else
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{
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pullImageLine(sample);
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}
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}
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if (m_horizontalCount < m_nbHorizPoints - 1)
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{
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m_horizontalCount++;
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}
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else
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{
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if (m_lineCount < m_nbLines - 1)
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{
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m_lineCount++;
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if (m_lineCount > (m_nbLines/2)) m_evenImage = !m_evenImage;
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}
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else // new image
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{
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m_lineCount = 0;
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m_evenImage = !m_evenImage;
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if ((m_settings.m_atvModInput == ATVModSettings::ATVModInputVideo) && m_videoOK && (m_settings.m_videoPlay) && !m_videoEOF)
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{
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int grabOK = 0;
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int fpsIncrement = (int) m_videoFPSCount - m_videoPrevFPSCount;
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// move a number of frames according to increment
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// use grab to test for EOF then retrieve to preserve last valid frame as the current original frame
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// TODO: handle pause (no move)
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for (int i = 0; i < fpsIncrement; i++)
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{
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grabOK = m_video.grab();
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if (!grabOK) break;
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}
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if (grabOK)
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{
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cv::Mat colorFrame;
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m_video.retrieve(colorFrame);
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if (!colorFrame.empty()) // some frames may not come out properly
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{
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if (m_showOverlayText) {
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mixImageAndText(colorFrame);
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}
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cv::cvtColor(colorFrame, m_videoframeOriginal, CV_BGR2GRAY);
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resizeVideo();
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}
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}
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else
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{
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if (m_settings.m_videoPlayLoop) { // play loop
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seekVideoFileStream(0);
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} else { // stops
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m_videoEOF = true;
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}
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}
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if (m_videoFPSCount < m_videoFPS)
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{
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m_videoPrevFPSCount = (int) m_videoFPSCount;
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m_videoFPSCount += m_videoFPSq;
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}
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else
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{
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m_videoPrevFPSCount = 0;
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m_videoFPSCount = m_videoFPSq;
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}
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}
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else if ((m_settings.m_atvModInput == ATVModSettings::ATVModInputCamera) && (m_settings.m_cameraPlay))
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{
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ATVCamera& camera = m_cameras[m_cameraIndex]; // currently selected canera
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if (camera.m_videoFPS < 0.0f) // default frame rate when it could not be obtained via get
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{
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time_t start, end;
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cv::Mat frame;
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if (getMessageQueueToGUI())
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{
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MsgReportCameraData *report;
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report = MsgReportCameraData::create(
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camera.m_cameraNumber,
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0.0f,
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camera.m_videoFPSManual,
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camera.m_videoFPSManualEnable,
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camera.m_videoWidth,
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camera.m_videoHeight,
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1); // open splash screen on GUI side
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getMessageQueueToGUI()->push(report);
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}
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int nbFrames = 0;
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time(&start);
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for (int i = 0; i < m_cameraFPSTestNbFrames; i++)
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{
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camera.m_camera >> frame;
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if (!frame.empty()) nbFrames++;
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}
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time(&end);
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double seconds = difftime (end, start);
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// take a 10% guard and divide bandwidth between all cameras as a hideous hack
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camera.m_videoFPS = ((nbFrames / seconds) * 0.9) / m_cameras.size();
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camera.m_videoFPSq = camera.m_videoFPS / m_fps;
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camera.m_videoFPSCount = camera.m_videoFPSq;
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camera.m_videoPrevFPSCount = 0;
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if (getMessageQueueToGUI())
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{
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MsgReportCameraData *report;
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report = MsgReportCameraData::create(
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camera.m_cameraNumber,
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camera.m_videoFPS,
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camera.m_videoFPSManual,
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camera.m_videoFPSManualEnable,
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camera.m_videoWidth,
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camera.m_videoHeight,
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2); // close splash screen on GUI side
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getMessageQueueToGUI()->push(report);
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}
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}
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else if (camera.m_videoFPS == 0.0f) // Hideous hack for windows
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{
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camera.m_videoFPS = 5.0f;
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camera.m_videoFPSq = camera.m_videoFPS / m_fps;
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camera.m_videoFPSCount = camera.m_videoFPSq;
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camera.m_videoPrevFPSCount = 0;
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if (getMessageQueueToGUI())
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{
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MsgReportCameraData *report;
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report = MsgReportCameraData::create(
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camera.m_cameraNumber,
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camera.m_videoFPS,
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camera.m_videoFPSManual,
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camera.m_videoFPSManualEnable,
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camera.m_videoWidth,
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camera.m_videoHeight,
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0);
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getMessageQueueToGUI()->push(report);
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}
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}
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int fpsIncrement = (int) camera.m_videoFPSCount - camera.m_videoPrevFPSCount;
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// move a number of frames according to increment
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// use grab to test for EOF then retrieve to preserve last valid frame as the current original frame
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cv::Mat colorFrame;
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for (int i = 0; i < fpsIncrement; i++)
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{
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camera.m_camera >> colorFrame;
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if (colorFrame.empty()) break;
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}
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if (!colorFrame.empty()) // some frames may not come out properly
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{
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if (m_showOverlayText) {
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mixImageAndText(colorFrame);
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}
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cv::cvtColor(colorFrame, camera.m_videoframeOriginal, CV_BGR2GRAY);
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resizeCamera();
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}
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if (camera.m_videoFPSCount < camera.m_videoFPSManualEnable ? camera.m_videoFPSManual : camera.m_videoFPS)
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{
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camera.m_videoPrevFPSCount = (int) camera.m_videoFPSCount;
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camera.m_videoFPSCount += camera.m_videoFPSManualEnable ? camera.m_videoFPSqManual : camera.m_videoFPSq;
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}
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else
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{
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camera.m_videoPrevFPSCount = 0;
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camera.m_videoFPSCount = camera.m_videoFPSManualEnable ? camera.m_videoFPSqManual : camera.m_videoFPSq;
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}
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}
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}
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m_horizontalCount = 0;
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}
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}
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void ATVMod::calculateLevel(Real& sample)
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{
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if (m_levelCalcCount < m_levelNbSamples)
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{
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m_peakLevel = std::max(std::fabs(m_peakLevel), sample);
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m_levelSum += sample * sample;
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m_levelCalcCount++;
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}
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else
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{
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qreal rmsLevel = std::sqrt(m_levelSum / m_levelNbSamples);
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//qDebug("NFMMod::calculateLevel: %f %f", rmsLevel, m_peakLevel);
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emit levelChanged(rmsLevel, m_peakLevel, m_levelNbSamples);
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m_peakLevel = 0.0f;
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m_levelSum = 0.0f;
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m_levelCalcCount = 0;
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}
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}
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void ATVMod::start()
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{
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qDebug() << "ATVMod::start: m_outputSampleRate: " << m_settings.m_outputSampleRate
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<< " m_inputFrequencyOffset: " << m_settings.m_inputFrequencyOffset;
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}
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void ATVMod::stop()
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{
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}
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bool ATVMod::handleMessage(const Message& cmd)
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{
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if (UpChannelizer::MsgChannelizerNotification::match(cmd))
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{
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|
UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
|
|
|
|
ATVModSettings settings = m_settings;
|
|
settings.m_outputSampleRate = notif.getSampleRate();
|
|
settings.m_inputFrequencyOffset = notif.getFrequencyOffset();
|
|
|
|
applySettings(settings);
|
|
|
|
qDebug() << "ATVMod::handleMessage: MsgChannelizerNotification:"
|
|
<< " m_outputSampleRate: " << settings.m_outputSampleRate
|
|
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset;
|
|
|
|
return true;
|
|
}
|
|
else if (MsgConfigureChannelizer::match(cmd))
|
|
{
|
|
MsgConfigureChannelizer& cfg = (MsgConfigureChannelizer&) cmd;
|
|
|
|
m_channelizer->configure(m_channelizer->getInputMessageQueue(),
|
|
m_channelizer->getOutputSampleRate(),
|
|
cfg.getCenterFrequency());
|
|
|
|
qDebug() << "SSBMod::handleMessage: MsgConfigureChannelizer: sampleRate: " << m_channelizer->getOutputSampleRate()
|
|
<< " centerFrequency: " << cfg.getCenterFrequency();
|
|
|
|
return true;
|
|
}
|
|
else if (MsgConfigureATVMod::match(cmd))
|
|
{
|
|
MsgConfigureATVMod& cfg = (MsgConfigureATVMod&) cmd;
|
|
|
|
ATVModSettings settings = cfg.getSettings();
|
|
|
|
// These settings are set with UpChannelizer::MsgChannelizerNotification
|
|
settings.m_outputSampleRate = m_settings.m_outputSampleRate;
|
|
settings.m_inputFrequencyOffset = m_settings.m_inputFrequencyOffset;
|
|
|
|
applySettings(settings, cfg.getForce());
|
|
|
|
qDebug() << "ATVMod::handleMessage: MsgConfigureATVMod:"
|
|
<< " m_rfBandwidth: " << settings.m_rfBandwidth
|
|
<< " m_rfOppBandwidth: " << settings.m_rfOppBandwidth
|
|
<< " m_atvStd: " << (int) settings.m_atvStd
|
|
<< " m_nbLines: " << settings.m_nbLines
|
|
<< " m_fps: " << settings.m_fps
|
|
<< " m_atvModInput: " << (int) settings.m_atvModInput
|
|
<< " m_uniformLevel: " << settings.m_uniformLevel
|
|
<< " m_atvModulation: " << (int) settings.m_atvModulation
|
|
<< " m_videoPlayLoop: " << settings.m_videoPlayLoop
|
|
<< " m_videoPlay: " << settings.m_videoPlay
|
|
<< " m_cameraPlay: " << settings.m_cameraPlay
|
|
<< " m_channelMute: " << settings.m_channelMute
|
|
<< " m_invertedVideo: " << settings.m_invertedVideo
|
|
<< " m_rfScalingFactor: " << settings.m_rfScalingFactor
|
|
<< " m_fmExcursion: " << settings.m_fmExcursion
|
|
<< " m_forceDecimator: " << settings.m_forceDecimator
|
|
<< " force: " << cfg.getForce();
|
|
|
|
return true;
|
|
}
|
|
else if (MsgConfigureImageFileName::match(cmd))
|
|
{
|
|
MsgConfigureImageFileName& conf = (MsgConfigureImageFileName&) cmd;
|
|
openImage(conf.getFileName());
|
|
return true;
|
|
}
|
|
else if (MsgConfigureVideoFileName::match(cmd))
|
|
{
|
|
MsgConfigureVideoFileName& conf = (MsgConfigureVideoFileName&) cmd;
|
|
openVideo(conf.getFileName());
|
|
return true;
|
|
}
|
|
else if (MsgConfigureVideoFileSourceSeek::match(cmd))
|
|
{
|
|
MsgConfigureVideoFileSourceSeek& conf = (MsgConfigureVideoFileSourceSeek&) cmd;
|
|
int seekPercentage = conf.getPercentage();
|
|
seekVideoFileStream(seekPercentage);
|
|
return true;
|
|
}
|
|
else if (MsgConfigureVideoFileSourceStreamTiming::match(cmd))
|
|
{
|
|
int framesCount;
|
|
|
|
if (m_videoOK && m_video.isOpened())
|
|
{
|
|
framesCount = m_video.get(CV_CAP_PROP_POS_FRAMES);;
|
|
} else {
|
|
framesCount = 0;
|
|
}
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
MsgReportVideoFileSourceStreamTiming *report;
|
|
report = MsgReportVideoFileSourceStreamTiming::create(framesCount);
|
|
getMessageQueueToGUI()->push(report);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else if (MsgConfigureCameraIndex::match(cmd))
|
|
{
|
|
MsgConfigureCameraIndex& cfg = (MsgConfigureCameraIndex&) cmd;
|
|
uint32_t index = cfg.getIndex() & 0x7FFFFFF;
|
|
|
|
if (index < m_cameras.size())
|
|
{
|
|
m_cameraIndex = index;
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
MsgReportCameraData *report;
|
|
report = MsgReportCameraData::create(
|
|
m_cameras[m_cameraIndex].m_cameraNumber,
|
|
m_cameras[m_cameraIndex].m_videoFPS,
|
|
m_cameras[m_cameraIndex].m_videoFPSManual,
|
|
m_cameras[m_cameraIndex].m_videoFPSManualEnable,
|
|
m_cameras[m_cameraIndex].m_videoWidth,
|
|
m_cameras[m_cameraIndex].m_videoHeight,
|
|
0);
|
|
getMessageQueueToGUI()->push(report);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else if (MsgConfigureCameraData::match(cmd))
|
|
{
|
|
MsgConfigureCameraData& cfg = (MsgConfigureCameraData&) cmd;
|
|
uint32_t index = cfg.getIndex() & 0x7FFFFFF;
|
|
float mnaualFPS = cfg.getManualFPS();
|
|
bool manualFPSEnable = cfg.getManualFPSEnable();
|
|
|
|
if (index < m_cameras.size())
|
|
{
|
|
m_cameras[index].m_videoFPSManual = mnaualFPS;
|
|
m_cameras[index].m_videoFPSManualEnable = manualFPSEnable;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else if (MsgConfigureOverlayText::match(cmd))
|
|
{
|
|
MsgConfigureOverlayText& cfg = (MsgConfigureOverlayText&) cmd;
|
|
m_overlayText = cfg.getOverlayText().toStdString();
|
|
return true;
|
|
}
|
|
else if (MsgConfigureShowOverlayText::match(cmd))
|
|
{
|
|
MsgConfigureShowOverlayText& cfg = (MsgConfigureShowOverlayText&) cmd;
|
|
bool showOverlayText = cfg.getShowOverlayText();
|
|
|
|
if (!m_imageFromFile.empty())
|
|
{
|
|
m_imageFromFile.copyTo(m_imageOriginal);
|
|
|
|
if (showOverlayText) {
|
|
qDebug("ATVMod::handleMessage: overlay text");
|
|
mixImageAndText(m_imageOriginal);
|
|
} else{
|
|
qDebug("ATVMod::handleMessage: clear text");
|
|
}
|
|
|
|
resizeImage();
|
|
}
|
|
|
|
m_showOverlayText = showOverlayText;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void ATVMod::getBaseValues(int outputSampleRate, int linesPerSecond, int& sampleRateUnits, uint32_t& nbPointsPerRateUnit)
|
|
{
|
|
int maxPoints = outputSampleRate / linesPerSecond;
|
|
int i = maxPoints;
|
|
|
|
for (; i > 0; i--)
|
|
{
|
|
if ((i * linesPerSecond) % 10 == 0)
|
|
break;
|
|
}
|
|
|
|
nbPointsPerRateUnit = i == 0 ? maxPoints : i;
|
|
sampleRateUnits = nbPointsPerRateUnit * linesPerSecond;
|
|
}
|
|
|
|
float ATVMod::getRFBandwidthDivisor(ATVModSettings::ATVModulation modulation)
|
|
{
|
|
switch(modulation)
|
|
{
|
|
case ATVModSettings::ATVModulationLSB:
|
|
case ATVModSettings::ATVModulationUSB:
|
|
case ATVModSettings::ATVModulationVestigialLSB:
|
|
case ATVModSettings::ATVModulationVestigialUSB:
|
|
return 1.05f;
|
|
break;
|
|
case ATVModSettings::ATVModulationAM:
|
|
case ATVModSettings::ATVModulationFM:
|
|
default:
|
|
return 2.2f;
|
|
}
|
|
}
|
|
|
|
void ATVMod::applyStandard()
|
|
{
|
|
m_pointsPerSync = (uint32_t) ((4.7f / 64.0f) * m_pointsPerLine);
|
|
m_pointsPerBP = (uint32_t) ((4.7f / 64.0f) * m_pointsPerLine);
|
|
m_pointsPerFP = (uint32_t) ((2.6f / 64.0f) * m_pointsPerLine);
|
|
m_pointsPerFSync = (uint32_t) ((2.3f / 64.0f) * m_pointsPerLine);
|
|
|
|
m_pointsPerImgLine = m_pointsPerLine - m_pointsPerSync - m_pointsPerBP - m_pointsPerFP;
|
|
m_nbHorizPoints = m_pointsPerLine;
|
|
|
|
m_pointsPerHBar = m_pointsPerImgLine / m_nbBars;
|
|
m_hBarIncrement = m_spanLevel / (float) m_nbBars;
|
|
m_vBarIncrement = m_spanLevel / (float) m_nbBars;
|
|
|
|
m_nbLines = m_settings.m_nbLines;
|
|
m_nbLines2 = m_nbLines / 2;
|
|
m_fps = m_settings.m_fps * 1.0f;
|
|
|
|
// qDebug() << "ATVMod::applyStandard: "
|
|
// << " m_nbLines: " << m_config.m_nbLines
|
|
// << " m_fps: " << m_config.m_fps
|
|
// << " rateUnits: " << rateUnits
|
|
// << " nbPointsPerRateUnit: " << nbPointsPerRateUnit
|
|
// << " m_tvSampleRate: " << m_tvSampleRate
|
|
// << " m_pointsPerTU: " << m_pointsPerTU;
|
|
|
|
switch(m_settings.m_atvStd)
|
|
{
|
|
case ATVModSettings::ATVStdHSkip:
|
|
m_nbImageLines = m_nbLines; // lines less the total number of sync lines
|
|
m_nbImageLines2 = m_nbImageLines; // force non interleaved for vbars
|
|
m_interleaved = false;
|
|
m_nbSyncLinesHeadE = 0; // number of sync lines on the top of a frame even
|
|
m_nbSyncLinesHeadO = 0; // number of sync lines on the top of a frame odd
|
|
m_nbSyncLinesBottom = -1; // force no vsync in even block
|
|
m_nbLongSyncLines = 0;
|
|
m_nbHalfLongSync = 0;
|
|
m_nbWholeEqLines = 0;
|
|
m_singleLongSync = true;
|
|
m_nbBlankLines = 0;
|
|
m_blankLineLvel = 0.7f;
|
|
m_nbLines2 = m_nbLines - 1;
|
|
break;
|
|
case ATVModSettings::ATVStdShort:
|
|
m_nbImageLines = m_nbLines - 2; // lines less the total number of sync lines
|
|
m_nbImageLines2 = m_nbImageLines; // force non interleaved for vbars
|
|
m_interleaved = false;
|
|
m_nbSyncLinesHeadE = 1; // number of sync lines on the top of a frame even
|
|
m_nbSyncLinesHeadO = 1; // number of sync lines on the top of a frame odd
|
|
m_nbSyncLinesBottom = 0;
|
|
m_nbLongSyncLines = 1;
|
|
m_nbHalfLongSync = 0;
|
|
m_nbWholeEqLines = 0;
|
|
m_singleLongSync = true;
|
|
m_nbBlankLines = 1;
|
|
m_blankLineLvel = 0.7f;
|
|
m_nbLines2 = m_nbLines; // force non interleaved => treated as even for all lines
|
|
break;
|
|
case ATVModSettings::ATVStdShortInterleaved:
|
|
m_nbImageLines = m_nbLines - 2; // lines less the total number of sync lines
|
|
m_nbImageLines2 = m_nbImageLines / 2;
|
|
m_interleaved = true;
|
|
m_nbSyncLinesHeadE = 1; // number of sync lines on the top of a frame even
|
|
m_nbSyncLinesHeadO = 1; // number of sync lines on the top of a frame odd
|
|
m_nbSyncLinesBottom = 0;
|
|
m_nbLongSyncLines = 1;
|
|
m_nbHalfLongSync = 0;
|
|
m_nbWholeEqLines = 0;
|
|
m_singleLongSync = true;
|
|
m_nbBlankLines = 1;
|
|
m_blankLineLvel = 0.7f;
|
|
break;
|
|
case ATVModSettings::ATVStd405: // Follows loosely the 405 lines standard
|
|
m_nbImageLines = m_nbLines - 15; // lines less the total number of sync lines
|
|
m_nbImageLines2 = m_nbImageLines / 2;
|
|
m_interleaved = true;
|
|
m_nbSyncLinesHeadE = 5; // number of sync lines on the top of a frame even
|
|
m_nbSyncLinesHeadO = 4; // number of sync lines on the top of a frame odd
|
|
m_nbSyncLinesBottom = 3;
|
|
m_nbLongSyncLines = 2;
|
|
m_nbHalfLongSync = 1;
|
|
m_nbWholeEqLines = 2;
|
|
m_singleLongSync = false;
|
|
m_nbBlankLines = 7; // yields 376 lines (195 - 7) * 2
|
|
m_blankLineLvel = m_blackLevel;
|
|
break;
|
|
case ATVModSettings::ATVStdPAL525: // Follows PAL-M standard
|
|
m_nbImageLines = m_nbLines - 15;
|
|
m_nbImageLines2 = m_nbImageLines / 2;
|
|
m_interleaved = true;
|
|
m_nbSyncLinesHeadE = 5;
|
|
m_nbSyncLinesHeadO = 4; // number of sync lines on the top of a frame odd
|
|
m_nbSyncLinesBottom = 3;
|
|
m_nbLongSyncLines = 2;
|
|
m_nbHalfLongSync = 1;
|
|
m_nbWholeEqLines = 2;
|
|
m_singleLongSync = false;
|
|
m_nbBlankLines = 15; // yields 480 lines (255 - 15) * 2
|
|
m_blankLineLvel = m_blackLevel;
|
|
break;
|
|
case ATVModSettings::ATVStdPAL625: // Follows PAL-B/G/H standard
|
|
default:
|
|
m_nbImageLines = m_nbLines - 15;
|
|
m_nbImageLines2 = m_nbImageLines / 2;
|
|
m_interleaved = true;
|
|
m_nbSyncLinesHeadE = 5;
|
|
m_nbSyncLinesHeadO = 4; // number of sync lines on the top of a frame odd
|
|
m_nbSyncLinesBottom = 3;
|
|
m_nbLongSyncLines = 2;
|
|
m_nbHalfLongSync = 1;
|
|
m_nbWholeEqLines = 2;
|
|
m_singleLongSync = false;
|
|
m_nbBlankLines = 17; // yields 576 lines (305 - 17) * 2
|
|
m_blankLineLvel = m_blackLevel;
|
|
}
|
|
|
|
m_linesPerVBar = m_nbImageLines2 / m_nbBars;
|
|
|
|
if (m_imageOK)
|
|
{
|
|
resizeImage();
|
|
}
|
|
|
|
if (m_videoOK)
|
|
{
|
|
calculateVideoSizes();
|
|
resizeVideo();
|
|
}
|
|
|
|
calculateCamerasSizes();
|
|
}
|
|
|
|
void ATVMod::openImage(const QString& fileName)
|
|
{
|
|
m_imageFromFile = cv::imread(qPrintable(fileName), CV_LOAD_IMAGE_GRAYSCALE);
|
|
m_imageOK = m_imageFromFile.data != 0;
|
|
|
|
if (m_imageOK)
|
|
{
|
|
m_imageFromFile.copyTo(m_imageOriginal);
|
|
|
|
if (m_showOverlayText) {
|
|
mixImageAndText(m_imageOriginal);
|
|
}
|
|
|
|
resizeImage();
|
|
}
|
|
}
|
|
|
|
void ATVMod::openVideo(const QString& fileName)
|
|
{
|
|
//if (m_videoOK && m_video.isOpened()) m_video.release(); should be done by OpenCV in open method
|
|
|
|
m_videoOK = m_video.open(qPrintable(fileName));
|
|
|
|
if (m_videoOK)
|
|
{
|
|
m_videoFPS = m_video.get(CV_CAP_PROP_FPS);
|
|
m_videoWidth = (int) m_video.get(CV_CAP_PROP_FRAME_WIDTH);
|
|
m_videoHeight = (int) m_video.get(CV_CAP_PROP_FRAME_HEIGHT);
|
|
m_videoLength = (int) m_video.get(CV_CAP_PROP_FRAME_COUNT);
|
|
int ex = static_cast<int>(m_video.get(CV_CAP_PROP_FOURCC));
|
|
char ext[] = {(char)(ex & 0XFF),(char)((ex & 0XFF00) >> 8),(char)((ex & 0XFF0000) >> 16),(char)((ex & 0XFF000000) >> 24),0};
|
|
|
|
qDebug("ATVMod::openVideo: %s FPS: %f size: %d x %d #frames: %d codec: %s",
|
|
m_video.isOpened() ? "OK" : "KO",
|
|
m_videoFPS,
|
|
m_videoWidth,
|
|
m_videoHeight,
|
|
m_videoLength,
|
|
ext);
|
|
|
|
calculateVideoSizes();
|
|
m_videoEOF = false;
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
MsgReportVideoFileSourceStreamData *report;
|
|
report = MsgReportVideoFileSourceStreamData::create(m_videoFPS, m_videoLength);
|
|
getMessageQueueToGUI()->push(report);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qDebug("ATVMod::openVideo: cannot open video file");
|
|
}
|
|
}
|
|
|
|
void ATVMod::resizeImage()
|
|
{
|
|
float fy = (m_nbImageLines - 2*m_nbBlankLines) / (float) m_imageOriginal.rows;
|
|
float fx = m_pointsPerImgLine / (float) m_imageOriginal.cols;
|
|
cv::resize(m_imageOriginal, m_image, cv::Size(), fx, fy);
|
|
qDebug("ATVMod::resizeImage: %d x %d -> %d x %d", m_imageOriginal.cols, m_imageOriginal.rows, m_image.cols, m_image.rows);
|
|
}
|
|
|
|
void ATVMod::calculateVideoSizes()
|
|
{
|
|
m_videoFy = (m_nbImageLines - 2*m_nbBlankLines) / (float) m_videoHeight;
|
|
m_videoFx = m_pointsPerImgLine / (float) m_videoWidth;
|
|
m_videoFPSq = m_videoFPS / m_fps;
|
|
m_videoFPSCount = m_videoFPSq;
|
|
m_videoPrevFPSCount = 0;
|
|
|
|
qDebug("ATVMod::calculateVideoSizes: factors: %f x %f FPSq: %f", m_videoFx, m_videoFy, m_videoFPSq);
|
|
}
|
|
|
|
void ATVMod::resizeVideo()
|
|
{
|
|
if (!m_videoframeOriginal.empty()) {
|
|
cv::resize(m_videoframeOriginal, m_videoFrame, cv::Size(), m_videoFx, m_videoFy); // resize current frame
|
|
}
|
|
}
|
|
|
|
void ATVMod::calculateCamerasSizes()
|
|
{
|
|
for (std::vector<ATVCamera>::iterator it = m_cameras.begin(); it != m_cameras.end(); ++it)
|
|
{
|
|
it->m_videoFy = (m_nbImageLines - 2*m_nbBlankLines) / (float) it->m_videoHeight;
|
|
it->m_videoFx = m_pointsPerImgLine / (float) it->m_videoWidth;
|
|
it->m_videoFPSq = it->m_videoFPS / m_fps;
|
|
it->m_videoFPSqManual = it->m_videoFPSManual / m_fps;
|
|
it->m_videoFPSCount = 0; //it->m_videoFPSq;
|
|
it->m_videoPrevFPSCount = 0;
|
|
|
|
qDebug("ATVMod::calculateCamerasSizes: [%d] factors: %f x %f FPSq: %f", (int) (it - m_cameras.begin()), it->m_videoFx, it->m_videoFy, it->m_videoFPSq);
|
|
}
|
|
}
|
|
|
|
void ATVMod::resizeCameras()
|
|
{
|
|
for (std::vector<ATVCamera>::iterator it = m_cameras.begin(); it != m_cameras.end(); ++it)
|
|
{
|
|
if (!it->m_videoframeOriginal.empty()) {
|
|
cv::resize(it->m_videoframeOriginal, it->m_videoFrame, cv::Size(), it->m_videoFx, it->m_videoFy); // resize current frame
|
|
}
|
|
}
|
|
}
|
|
|
|
void ATVMod::resizeCamera()
|
|
{
|
|
ATVCamera& camera = m_cameras[m_cameraIndex];
|
|
|
|
if (!camera.m_videoframeOriginal.empty()) {
|
|
cv::resize(camera.m_videoframeOriginal, camera.m_videoFrame, cv::Size(), camera.m_videoFx, camera.m_videoFy); // resize current frame
|
|
}
|
|
}
|
|
|
|
void ATVMod::seekVideoFileStream(int seekPercentage)
|
|
{
|
|
QMutexLocker mutexLocker(&m_settingsMutex);
|
|
|
|
if ((m_videoOK) && m_video.isOpened())
|
|
{
|
|
int seekPoint = ((m_videoLength * seekPercentage) / 100);
|
|
m_video.set(CV_CAP_PROP_POS_FRAMES, seekPoint);
|
|
m_videoFPSCount = m_videoFPSq;
|
|
m_videoPrevFPSCount = 0;
|
|
m_videoEOF = false;
|
|
}
|
|
}
|
|
|
|
void ATVMod::scanCameras()
|
|
{
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
ATVCamera newCamera;
|
|
m_cameras.push_back(newCamera);
|
|
m_cameras.back().m_cameraNumber = i;
|
|
m_cameras.back().m_camera.open(i);
|
|
|
|
if (m_cameras.back().m_camera.isOpened())
|
|
{
|
|
m_cameras.back().m_videoFPS = m_cameras.back().m_camera.get(CV_CAP_PROP_FPS);
|
|
m_cameras.back().m_videoWidth = (int) m_cameras.back().m_camera.get(CV_CAP_PROP_FRAME_WIDTH);
|
|
m_cameras.back().m_videoHeight = (int) m_cameras.back().m_camera.get(CV_CAP_PROP_FRAME_HEIGHT);
|
|
|
|
//m_cameras.back().m_videoFPS = m_cameras.back().m_videoFPS < 0 ? 16.3f : m_cameras.back().m_videoFPS;
|
|
|
|
qDebug("ATVMod::scanCameras: [%d] FPS: %f %dx%d",
|
|
i,
|
|
m_cameras.back().m_videoFPS,
|
|
m_cameras.back().m_videoWidth ,
|
|
m_cameras.back().m_videoHeight);
|
|
}
|
|
else
|
|
{
|
|
m_cameras.pop_back();
|
|
}
|
|
}
|
|
|
|
if (m_cameras.size() > 0)
|
|
{
|
|
calculateCamerasSizes();
|
|
m_cameraIndex = 0;
|
|
}
|
|
}
|
|
|
|
void ATVMod::releaseCameras()
|
|
{
|
|
for (std::vector<ATVCamera>::iterator it = m_cameras.begin(); it != m_cameras.end(); ++it)
|
|
{
|
|
if (it->m_camera.isOpened()) it->m_camera.release();
|
|
}
|
|
}
|
|
|
|
void ATVMod::getCameraNumbers(std::vector<int>& numbers)
|
|
{
|
|
for (std::vector<ATVCamera>::iterator it = m_cameras.begin(); it != m_cameras.end(); ++it) {
|
|
numbers.push_back(it->m_cameraNumber);
|
|
}
|
|
|
|
if (m_cameras.size() > 0)
|
|
{
|
|
m_cameraIndex = 0;
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
MsgReportCameraData *report;
|
|
report = MsgReportCameraData::create(
|
|
m_cameras[0].m_cameraNumber,
|
|
m_cameras[0].m_videoFPS,
|
|
m_cameras[0].m_videoFPSManual,
|
|
m_cameras[0].m_videoFPSManualEnable,
|
|
m_cameras[0].m_videoWidth,
|
|
m_cameras[0].m_videoHeight,
|
|
0);
|
|
getMessageQueueToGUI()->push(report);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ATVMod::mixImageAndText(cv::Mat& image)
|
|
{
|
|
int fontFace = cv::FONT_HERSHEY_PLAIN;
|
|
double fontScale = image.rows / 100.0;
|
|
int thickness = image.cols / 160;
|
|
int baseline=0;
|
|
|
|
fontScale = fontScale < 8.0f ? 8.0f : fontScale; // minimum size
|
|
cv::Size textSize = cv::getTextSize(m_overlayText, fontFace, fontScale, thickness, &baseline);
|
|
baseline += thickness;
|
|
|
|
// position the text in the top left corner
|
|
cv::Point textOrg(6, textSize.height+10);
|
|
// then put the text itself
|
|
cv::putText(image, m_overlayText, textOrg, fontFace, fontScale, cv::Scalar::all(255*m_settings.m_uniformLevel), thickness, CV_AA);
|
|
}
|
|
|
|
void ATVMod::applySettings(const ATVModSettings& settings, bool force)
|
|
{
|
|
if ((settings.m_outputSampleRate != m_settings.m_outputSampleRate)
|
|
|| (settings.m_atvStd != m_settings.m_atvStd)
|
|
|| (settings.m_nbLines != m_settings.m_nbLines)
|
|
|| (settings.m_fps != m_settings.m_fps)
|
|
|| (settings.m_rfBandwidth != m_settings.m_rfBandwidth)
|
|
|| (settings.m_atvModulation != m_settings.m_atvModulation) || force)
|
|
{
|
|
getBaseValues(settings.m_outputSampleRate, settings.m_nbLines * settings.m_fps, m_tvSampleRate, m_pointsPerLine);
|
|
|
|
m_settingsMutex.lock();
|
|
|
|
if (m_tvSampleRate > 0)
|
|
{
|
|
m_interpolatorDistanceRemain = 0;
|
|
m_interpolatorDistance = (Real) m_tvSampleRate / (Real) settings.m_outputSampleRate;
|
|
m_interpolator.create(32,
|
|
m_tvSampleRate,
|
|
settings.m_rfBandwidth / getRFBandwidthDivisor(settings.m_atvModulation),
|
|
3.0);
|
|
}
|
|
else
|
|
{
|
|
m_tvSampleRate = settings.m_outputSampleRate;
|
|
}
|
|
|
|
m_SSBFilter->create_filter(0, settings.m_rfBandwidth / m_tvSampleRate);
|
|
memset(m_SSBFilterBuffer, 0, sizeof(Complex)*(m_ssbFftLen>>1));
|
|
m_SSBFilterBufferIndex = 0;
|
|
|
|
applyStandard(); // set all timings
|
|
m_settingsMutex.unlock();
|
|
|
|
if (getMessageQueueToGUI())
|
|
{
|
|
MsgReportEffectiveSampleRate *report;
|
|
report = MsgReportEffectiveSampleRate::create(m_tvSampleRate, m_pointsPerLine);
|
|
getMessageQueueToGUI()->push(report);
|
|
}
|
|
}
|
|
|
|
if ((settings.m_outputSampleRate != m_settings.m_outputSampleRate)
|
|
|| (settings.m_rfOppBandwidth != m_settings.m_rfOppBandwidth)
|
|
|| (settings.m_rfBandwidth != m_settings.m_rfBandwidth)
|
|
|| (settings.m_nbLines != m_settings.m_nbLines) // difference in line period may have changed TV sample rate
|
|
|| (settings.m_fps != m_settings.m_fps) //
|
|
|| force)
|
|
{
|
|
m_settingsMutex.lock();
|
|
|
|
m_DSBFilter->create_asym_filter(settings.m_rfOppBandwidth / m_tvSampleRate, settings.m_rfBandwidth / m_tvSampleRate);
|
|
memset(m_DSBFilterBuffer, 0, sizeof(Complex)*(m_ssbFftLen));
|
|
m_DSBFilterBufferIndex = 0;
|
|
|
|
m_settingsMutex.unlock();
|
|
}
|
|
|
|
if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) ||
|
|
(settings.m_outputSampleRate != m_settings.m_outputSampleRate) || force)
|
|
{
|
|
m_settingsMutex.lock();
|
|
m_carrierNco.setFreq(settings.m_inputFrequencyOffset, settings.m_outputSampleRate);
|
|
m_settingsMutex.unlock();
|
|
}
|
|
|
|
m_settings = settings;
|
|
}
|