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sdrangel/plugins/channeltx/modatv/atvmodsource.cpp
Daniele Forsi 8c3f7e3775 Remove unused includes and use more direct includes
2024-04-11 23:31:34 +02:00

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// Copyright (C) 2020 Vort <vvort@yandex.ru> //
// Copyright (C) 2020 Sergei I. Korolev <exception0x0d@gmail.com> //
// //
// 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. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <time.h>
#include <QDebug>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include "opencv2/imgproc/imgproc.hpp"
#include "util/messagequeue.h"
#include "atvmodreport.h"
#include "atvmodsource.h"
const float ATVModSource::m_blackLevel = 0.3f;
const float ATVModSource::m_spanLevel = 0.7f;
const int ATVModSource::m_levelNbSamples = 10000; // every 10ms
const int ATVModSource::m_nbBars = 6;
const int ATVModSource::m_cameraFPSTestNbFrames = 100;
const int ATVModSource::m_ssbFftLen = 1024;
const ATVModSource::LineType ATVModSource::StdPAL625_F1Start[] = {
LineBroadPulses, // 1 (index 0)
LineBroadPulses, // 2
LineBroadShortPulses, // 3
LineShortPulses, // 4
LineShortPulses // 5
};
const ATVModSource::LineType ATVModSource::StdPAL625_F2Start[] = {
LineBroadPulses, // 314 (index 313)
LineBroadPulses, // 315
LineShortPulses, // 316
LineShortPulses, // 317
LineShortBlackPulses // 318
};
const ATVModSource::LineType ATVModSource::StdPAL525_F1Start[] = {
LineShortPulses, // 1 (index 0)
LineShortPulses,
LineShortPulses,
LineBroadPulses, // 4
LineBroadPulses,
LineBroadPulses,
LineShortPulses, // 7
LineShortPulses,
LineShortPulses, // 9
};
const ATVModSource::LineType ATVModSource::StdPAL525_F2Start[] = {
LineShortPulses, // 264 (index 263)
LineShortPulses, // 265
LineShortBroadPulses, // 266
LineBroadPulses, // 267
LineBroadPulses, // 268
LineBroadShortPulses, // 269
LineShortPulses, // 270
LineShortPulses, // 271
LineShortBlackPulses // 272
};
const ATVModSource::LineType ATVModSource::Std819_F1Start[] = {
LineBroadPulses, // 1 (index 0)
LineBroadPulses, // 2
LineBroadPulses, // 3
LineBroadShortPulses, // 4
LineShortPulses, // 5
LineShortPulses, // 6
LineShortPulses, // 7
};
const ATVModSource::LineType ATVModSource::Std819_F2Start[] = {
LineBroadPulses, // 410 (index 409)
LineBroadPulses, // 411
LineBroadPulses, // 412
LineShortPulses, // 413
LineShortPulses, // 414
LineShortPulses, // 415
};
const ATVModSource::LineType ATVModSource::StdShort_F1Start[] = {
LineBroadPulses,
LineShortPulses,
};
const ATVModSource::LineType ATVModSource::StdShort_F2Start[] = {
LineBroadPulses,
LineShortPulses,
};
ATVModSource::ATVModSource() :
m_channelSampleRate(1000000),
m_channelFrequencyOffset(0),
m_modPhasor(0.0f),
m_tvSampleRate(1000000),
m_horizontalCount(0),
m_lineCount(0),
m_imageLine(0),
m_imageOK(false),
m_videoFPSq(1.0f),
m_videoFPSCount(0.0f),
m_videoPrevFPSCount(0),
m_videoEOF(false),
m_videoOK(false),
m_cameraIndex(-1),
//m_showOverlayText(false),
m_SSBFilter(nullptr),
m_SSBFilterBuffer(nullptr),
m_SSBFilterBufferIndex(0),
m_DSBFilter(nullptr),
m_DSBFilterBuffer(nullptr),
m_DSBFilterBufferIndex(0),
m_messageQueueToGUI(nullptr)
{
scanCameras();
m_SSBFilter = new fftfilt(0, m_settings.m_rfBandwidth / (float) m_channelSampleRate, m_ssbFftLen); // arbitrary cutoff
m_SSBFilterBuffer = new Complex[m_ssbFftLen/2]; // filter returns data exactly half of its size
std::fill(m_SSBFilterBuffer, m_SSBFilterBuffer + (m_ssbFftLen>>1), Complex{0, 0});
m_DSBFilter = new fftfilt((2.0f * m_settings.m_rfBandwidth) / (float) m_channelSampleRate, 2*m_ssbFftLen); // arbitrary cutoff
m_DSBFilterBuffer = new Complex[m_ssbFftLen];
std::fill(m_DSBFilterBuffer, m_DSBFilterBuffer + m_ssbFftLen, Complex{0, 0});
m_interpolatorDistanceRemain = 0.0f;
m_interpolatorDistance = 1.0f;
applyChannelSettings(m_channelSampleRate, m_channelFrequencyOffset, true);
applySettings(m_settings, true); // does applyStandard() too;
m_lineType = getLineType(m_settings.m_atvStd, m_lineCount);
}
ATVModSource::~ATVModSource()
{
if (m_video.isOpened()) {
m_video.release();
}
releaseCameras();
delete m_SSBFilter;
delete m_DSBFilter;
delete[] m_SSBFilterBuffer;
delete[] m_DSBFilterBuffer;
}
void ATVModSource::pull(SampleVector::iterator begin, unsigned int nbSamples)
{
std::for_each(
begin,
begin + nbSamples,
[this](Sample& s) {
pullOne(s);
}
);
}
void ATVModSource::prefetch(unsigned int nbSamples)
{
(void) nbSamples;
}
void ATVModSource::pullOne(Sample& sample)
{
if (m_settings.m_channelMute)
{
sample.m_real = 0.0f;
sample.m_imag = 0.0f;
return;
}
Complex ci;
if ((m_tvSampleRate == m_channelSampleRate) && (!m_settings.m_forceDecimator)) // no interpolation nor decimation
{
modulateSample();
pullFinalize(m_modSample, sample);
}
else
{
if (m_interpolatorDistance > 1.0f) // decimate
{
modulateSample();
while (!m_interpolator.decimate(&m_interpolatorDistanceRemain, m_modSample, &ci))
{
modulateSample();
}
}
else
{
if (m_interpolator.interpolate(&m_interpolatorDistanceRemain, m_modSample, &ci))
{
modulateSample();
}
}
m_interpolatorDistanceRemain += m_interpolatorDistance;
pullFinalize(ci, sample);
}
}
void ATVModSource::pullFinalize(Complex& ci, Sample& sample)
{
ci *= m_carrierNco.nextIQ(); // shift to carrier frequency
double magsq = ci.real() * ci.real() + ci.imag() * ci.imag();
magsq /= (SDR_TX_SCALED*SDR_TX_SCALED);
m_movingAverage(magsq);
sample.m_real = (FixReal) ci.real();
sample.m_imag = (FixReal) ci.imag();
}
void ATVModSource::modulateSample()
{
Real t;
pullVideo(t);
calculateLevel(t);
t = m_settings.m_invertedVideo ? 1.0f - t : t;
switch (m_settings.m_atvModulation)
{
case ATVModSettings::ATVModulationFM: // FM half bandwidth deviation
m_modPhasor += (t - 0.5f) * m_settings.m_fmExcursion * M_PI;
if (m_modPhasor > 2.0f * M_PI) m_modPhasor -= 2.0f * M_PI; // limit growth
if (m_modPhasor < 0) m_modPhasor += 2.0f * M_PI; // limit growth
m_modSample.real(cos(m_modPhasor) * m_settings.m_rfScalingFactor); // -1 dB
m_modSample.imag(sin(m_modPhasor) * m_settings.m_rfScalingFactor);
break;
case ATVModSettings::ATVModulationLSB:
case ATVModSettings::ATVModulationUSB:
m_modSample = modulateSSB(t);
m_modSample *= m_settings.m_rfScalingFactor;
break;
case ATVModSettings::ATVModulationVestigialLSB:
case ATVModSettings::ATVModulationVestigialUSB:
m_modSample = modulateVestigialSSB(t);
m_modSample *= m_settings.m_rfScalingFactor;
break;
case ATVModSettings::ATVModulationAM: // AM 90%
default:
m_modSample.real((t*1.8f + 0.1f) * (m_settings.m_rfScalingFactor/2.0f)); // modulate and scale zero frequency carrier
m_modSample.imag(0.0f);
}
}
Complex& ATVModSource::modulateSSB(Real& sample)
{
int n_out;
Complex ci(sample, 0.0f);
fftfilt::cmplx *filtered;
n_out = m_SSBFilter->runSSB(ci, &filtered, m_settings.m_atvModulation == ATVModSettings::ATVModulationUSB);
if (n_out > 0)
{
std::copy(filtered, filtered + n_out, m_SSBFilterBuffer);
m_SSBFilterBufferIndex = 0;
}
m_SSBFilterBufferIndex++;
return m_SSBFilterBuffer[m_SSBFilterBufferIndex-1];
}
Complex& ATVModSource::modulateVestigialSSB(Real& sample)
{
int n_out;
Complex ci(sample, 0.0f);
fftfilt::cmplx *filtered;
n_out = m_DSBFilter->runAsym(ci, &filtered, m_settings.m_atvModulation == ATVModSettings::ATVModulationVestigialUSB);
if (n_out > 0)
{
std::copy(filtered, filtered + n_out, m_DSBFilterBuffer);
m_DSBFilterBufferIndex = 0;
}
m_DSBFilterBufferIndex++;
return m_DSBFilterBuffer[m_DSBFilterBufferIndex-1];
}
void ATVModSource::pullVideo(Real& sample)
{
if (m_settings.m_atvStd == ATVModSettings::ATVStdHSkip)
{
pullImageSample(sample, m_lineCount == m_nbLines - 1); // pull image line without sync at end of image
}
else
{
switch(m_lineType)
{
case LineImage:
pullImageSample(sample);
break;
case LineImageHalf1Short:
pullImageFirstHalfShortSample(sample);
break;
case LineImageHalf1Broad:
pullImageFirstHalfBroadSample(sample);
break;
case LineImageHalf2:
pullImageLastHalfSample(sample);
break;
case LineShortPulses:
pullVSyncLineEquPulsesSample(sample);
break;
case LineBroadPulses:
pullVSyncLineLongPulsesSample(sample);
break;
case LineShortBroadPulses:
pullVSyncLineEquLongPulsesSample(sample);
break;
case LineBroadShortPulses:
pullVSyncLineLongEquPulsesSample(sample);
break;
case LineShortBlackPulses:
pullVSyncLineEquBlackPulsesSample(sample);
break;
case LineBlack:
default:
pullBlackLineSample(sample);
}
}
if (m_horizontalCount < m_nbHorizPoints - 1)
{
m_horizontalCount++;
}
else
{
if (m_lineCount < m_nbLines - 1)
{
m_lineCount++;
if ((m_lineType == LineImage)
|| (m_lineType == LineImageHalf1Short)
|| (m_lineType == LineImageHalf1Broad)
|| (m_lineType == LineImageHalf2)) {
m_imageLine += m_interlaced ? 2 : 1;
}
if (m_lineCount == m_nbLinesField1) { // field 1 -> field 2 or first field2
m_imageLine = m_imageLineStart2; // field2 image line start index
}
m_lineType = getLineType(m_settings.m_atvStd, m_lineCount);
}
else // new image
{
m_lineCount = 0;
m_imageLine = m_imageLineStart1; // field1 image line start index
m_lineType = getLineType(m_settings.m_atvStd, m_lineCount);
if ((m_settings.m_atvModInput == ATVModSettings::ATVModInputVideo) && m_videoOK && (m_settings.m_videoPlay) && !m_videoEOF)
{
int grabOK = 0;
int fpsIncrement = (int) m_videoFPSCount - m_videoPrevFPSCount;
// move a number of frames according to increment
// use grab to test for EOF then retrieve to preserve last valid frame as the current original frame
// TODO: handle pause (no move)
for (int i = 0; i < fpsIncrement; i++)
{
grabOK = m_video.grab();
if (!grabOK) break;
}
if (grabOK)
{
cv::Mat colorFrame;
m_video.retrieve(colorFrame);
if (!colorFrame.empty()) // some frames may not come out properly
{
if (m_settings.m_showOverlayText) {
mixImageAndText(colorFrame);
}
cv::cvtColor(colorFrame, m_videoframeOriginal, cv::COLOR_RGB2GRAY);
resizeVideo();
}
}
else
{
if (m_settings.m_videoPlayLoop) { // play loop
seekVideoFileStream(0);
} else { // stops
m_videoEOF = true;
}
}
if (m_videoFPSCount < m_videoFPS)
{
m_videoPrevFPSCount = (int) m_videoFPSCount;
m_videoFPSCount += m_videoFPSq;
}
else
{
m_videoPrevFPSCount = 0;
m_videoFPSCount = m_videoFPSq;
}
}
else if ((m_settings.m_atvModInput == ATVModSettings::ATVModInputCamera) && (m_settings.m_cameraPlay))
{
ATVCamera& camera = m_cameras[m_cameraIndex];
if (camera.m_videoFPS < 0.0f) // default frame rate when it could not be obtained via get
{
time_t start, end;
cv::Mat frame;
if (getMessageQueueToGUI())
{
ATVModReport::MsgReportCameraData *report;
report = ATVModReport::MsgReportCameraData::create(
camera.m_cameraNumber,
0.0f,
camera.m_videoFPSManual,
camera.m_videoFPSManualEnable,
camera.m_videoWidth,
camera.m_videoHeight,
1); // open splash screen on GUI side
getMessageQueueToGUI()->push(report);
}
int nbFrames = 0;
time(&start);
for (int i = 0; i < m_cameraFPSTestNbFrames; i++)
{
camera.m_camera >> frame;
if (!frame.empty()) nbFrames++;
}
time(&end);
double seconds = difftime (end, start);
// take a 10% guard and divide bandwidth between all cameras as a hideous hack
camera.m_videoFPS = ((nbFrames / seconds) * 0.9) / m_cameras.size();
camera.m_videoFPSq = camera.m_videoFPS / m_fps;
camera.m_videoFPSCount = camera.m_videoFPSq;
camera.m_videoPrevFPSCount = 0;
if (getMessageQueueToGUI())
{
ATVModReport::MsgReportCameraData *report;
report = ATVModReport::MsgReportCameraData::create(
camera.m_cameraNumber,
camera.m_videoFPS,
camera.m_videoFPSManual,
camera.m_videoFPSManualEnable,
camera.m_videoWidth,
camera.m_videoHeight,
2); // close splash screen on GUI side
getMessageQueueToGUI()->push(report);
}
}
else if (camera.m_videoFPS == 0.0f) // Hideous hack for windows
{
camera.m_videoFPS = 5.0f;
camera.m_videoFPSq = camera.m_videoFPS / m_fps;
camera.m_videoFPSCount = camera.m_videoFPSq;
camera.m_videoPrevFPSCount = 0;
if (getMessageQueueToGUI())
{
ATVModReport::MsgReportCameraData *report;
report = ATVModReport::MsgReportCameraData::create(
camera.m_cameraNumber,
camera.m_videoFPS,
camera.m_videoFPSManual,
camera.m_videoFPSManualEnable,
camera.m_videoWidth,
camera.m_videoHeight,
0);
getMessageQueueToGUI()->push(report);
}
}
int fpsIncrement = (int) camera.m_videoFPSCount - camera.m_videoPrevFPSCount;
// move a number of frames according to increment
// use grab to test for EOF then retrieve to preserve last valid frame as the current original frame
cv::Mat colorFrame;
int grabOK = 0;
for (int i = 0; i < fpsIncrement; i++)
{
grabOK = camera.m_camera.grab();
if (!grabOK) break;
// camera.m_camera >> colorFrame;
// if (colorFrame.empty()) break;
}
if (grabOK) {
camera.m_camera.retrieve(colorFrame);
}
if (!colorFrame.empty()) // some frames may not come out properly
{
if (m_settings.m_showOverlayText) {
mixImageAndText(colorFrame);
}
cv::cvtColor(colorFrame, camera.m_videoframeOriginal, cv::COLOR_RGB2GRAY);
resizeCamera();
}
if (camera.m_videoFPSCount < (camera.m_videoFPSManualEnable ? camera.m_videoFPSManual : camera.m_videoFPS))
{
camera.m_videoPrevFPSCount = (int) camera.m_videoFPSCount;
camera.m_videoFPSCount += (camera.m_videoFPSManualEnable ? camera.m_videoFPSqManual : camera.m_videoFPSq);
}
else
{
camera.m_videoPrevFPSCount = 0;
camera.m_videoFPSCount = (camera.m_videoFPSManualEnable ? camera.m_videoFPSqManual : camera.m_videoFPSq);
}
}
}
m_horizontalCount = 0;
}
}
void ATVModSource::calculateLevel(Real& sample)
{
if (m_levelCalcCount < m_levelNbSamples)
{
m_peakLevel = std::max(std::fabs(m_peakLevel), sample);
m_levelSum += sample * sample;
m_levelCalcCount++;
}
else
{
m_rmsLevel = std::sqrt(m_levelSum / m_levelNbSamples);
m_peakLevelOut = m_peakLevel;
m_peakLevel = 0.0f;
m_levelSum = 0.0f;
m_levelCalcCount = 0;
}
}
void ATVModSource::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 ATVModSource::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 ATVModSource::applyStandard(const ATVModSettings& settings)
{
m_pointsPerSync = (uint32_t) ((4.7f / 64.0f) * m_pointsPerLine);
m_pointsPerBP = (uint32_t) ((5.8f / 64.0f) * m_pointsPerLine);
m_pointsPerFP = (uint32_t) ((1.5f / 64.0f) * m_pointsPerLine);
m_pointsPerVEqu = (uint32_t) ((2.3f / 64.0f) * m_pointsPerLine); // short vertical sync pulse (equalizing)
m_pointsPerVSync = (uint32_t) (((32.0f - 4.7f) / 64.0f) * m_pointsPerLine); // broad vertical sync pulse (field sync)
m_pointsPerImgLine = m_pointsPerLine - m_pointsPerSync - m_pointsPerBP - m_pointsPerFP;
m_nbHorizPoints = m_pointsPerLine;
m_pointsPerHBar = std::max(1, m_pointsPerImgLine / m_nbBars);
m_hBarIncrement = m_spanLevel / (float) (m_nbBars - 1);
m_vBarIncrement = m_spanLevel / (float) (m_nbBars - 1);
m_nbLines = settings.m_nbLines;
m_nbLines2 = m_nbLines / 2;
m_fps = 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;
switch(settings.m_atvStd)
{
case ATVModSettings::ATVStdHSkip:
m_nbImageLines = m_nbLines; // lines less the total number of sync lines (0)
m_nbImageLines2 = m_nbImageLines; // non interlaced (unused)
m_imageLineStart1 = 0;
m_imageLineStart2 = 0;
m_interlaced = false;
m_blankLineLvel = 0.7f;
m_nbLines2 = m_nbLines; // non interlaced
m_nbLinesField1 = m_nbLines; // non interlaced
break;
case ATVModSettings::ATVStdShort:
m_nbImageLines = m_nbLines - 2; // lines less the total number of sync lines
m_nbImageLines2 = m_nbImageLines; // non interlaced (unused)
m_imageLineStart1 = 0;
m_imageLineStart2 = 0;
m_interlaced = false;
m_blankLineLvel = 0.7f;
m_nbLines2 = m_nbLines; // non interlaced
m_nbLinesField1 = m_nbLines; // non interlaced
break;
case ATVModSettings::ATVStdShortInterlaced:
m_nbImageLines2 = m_nbLines2 - 2; // lines in half image less number of sync/service lines
m_nbImageLines = 2*m_nbImageLines2;
m_imageLineStart1 = 1; //m_nbLines % 2;
m_imageLineStart2 = 0; //1 - (m_nbLines % 2);
m_interlaced = true;
m_blankLineLvel = 0.7f;
m_nbLinesField1 = m_nbLines2;
break;
case ATVModSettings::ATVStdPAL525: // Follows PAL-M standard
m_nbImageLines2 = m_nbLines2 - 19; // 525 -> 243 per half
m_nbImageLines = 2*m_nbImageLines2;
m_imageLineStart1 = 1;
m_imageLineStart2 = 0;
m_interlaced = true;
m_blankLineLvel = m_blackLevel;
m_nbLinesField1 = m_nbLines2+1;
break;
case ATVModSettings::ATVStd819: // Follows 819 F standard (belgium)
m_nbImageLines2 = m_nbLines2 - 29;
m_nbImageLines = 2*m_nbImageLines2;
m_imageLineStart1 = 0;
m_imageLineStart2 = 1;
m_interlaced = true;
m_blankLineLvel = m_blackLevel;
m_nbLinesField1 = m_nbLines2;
break;
case ATVModSettings::ATVStdPAL625: // Follows PAL-B/G/H standard
default:
m_nbImageLines2 = m_nbLines2 - 24; // 625 -> 288 per half
m_nbImageLines = 2*m_nbImageLines2;
m_imageLineStart1 = 0;
m_imageLineStart2 = 1;
m_interlaced = true;
m_blankLineLvel = m_blackLevel;
m_nbLinesField1 = m_nbLines2+1;
}
m_linesPerVBar = m_nbImageLines / m_nbBars;
if (m_imageOK)
{
resizeImage();
}
if (m_videoOK)
{
calculateVideoSizes();
resizeVideo();
}
calculateCamerasSizes();
}
void ATVModSource::openImage(const QString& fileName)
{
m_imageFromFile = cv::imread(qPrintable(fileName), cv::ImreadModes::IMREAD_GRAYSCALE);
m_imageOK = m_imageFromFile.data != 0;
if (m_imageOK)
{
m_settings.m_imageFileName = fileName;
m_imageFromFile.copyTo(m_imageOriginal);
if (m_settings.m_showOverlayText) {
mixImageAndText(m_imageOriginal);
}
resizeImage();
}
else
{
m_settings.m_imageFileName.clear();
qDebug("ATVModSource::openImage: cannot open image file %s", qPrintable(fileName));
}
}
void ATVModSource::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_settings.m_videoFileName = fileName;
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("ATVModSource::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())
{
ATVModReport::MsgReportVideoFileSourceStreamData *report;
report = ATVModReport::MsgReportVideoFileSourceStreamData::create(m_videoFPS, m_videoLength);
getMessageQueueToGUI()->push(report);
}
}
else
{
m_settings.m_videoFileName.clear();
qDebug("ATVModSource::openVideo: cannot open video file %s", qPrintable(fileName));
}
}
void ATVModSource::resizeImage()
{
float fy = (float) m_nbImageLines / (float) m_imageOriginal.rows;
float fx = m_pointsPerImgLine / (float) m_imageOriginal.cols;
cv::resize(m_imageOriginal, m_image, cv::Size(), fx, fy);
qDebug("ATVModSource::resizeImage: %d x %d -> %d x %d", m_imageOriginal.cols, m_imageOriginal.rows, m_image.cols, m_image.rows);
}
void ATVModSource::calculateVideoSizes()
{
m_videoFy = (float) m_nbImageLines / (float) m_videoHeight;
m_videoFx = m_pointsPerImgLine / (float) m_videoWidth;
m_videoFPSq = m_videoFPS / m_fps;
m_videoFPSCount = m_videoFPSq;
m_videoPrevFPSCount = 0;
qDebug("ATVModSource::calculateVideoSizes: factors: %f x %f FPSq: %f", m_videoFx, m_videoFy, m_videoFPSq);
}
void ATVModSource::resizeVideo()
{
if (!m_videoframeOriginal.empty()) {
cv::resize(m_videoframeOriginal, m_videoFrame, cv::Size(), m_videoFx, m_videoFy); // resize current frame
}
}
void ATVModSource::calculateCamerasSizes()
{
for (std::vector<ATVCamera>::iterator it = m_cameras.begin(); it != m_cameras.end(); ++it)
{
it->m_videoFy = (float) m_nbImageLines / (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("ATVModSource::calculateCamerasSizes: [%d] factors: %f x %f FPSq: %f",
(int) (it - m_cameras.begin()), it->m_videoFx, it->m_videoFy, it->m_videoFPSq);
}
}
void ATVModSource::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 ATVModSource::resizeCamera()
{
if (!m_cameras[m_cameraIndex].m_videoframeOriginal.empty()) {
cv::resize(m_cameras[m_cameraIndex].m_videoframeOriginal, m_cameras[m_cameraIndex].m_videoFrame, cv::Size(), m_cameras[m_cameraIndex].m_videoFx, m_cameras[m_cameraIndex].m_videoFy); // resize current frame
}
}
void ATVModSource::seekVideoFileStream(int seekPercentage)
{
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 ATVModSource::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("ATVModSource::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 ATVModSource::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 ATVModSource::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())
{
ATVModReport::MsgReportCameraData *report;
report = ATVModReport::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 ATVModSource::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 < 4.0f ? 4.0f : fontScale; // minimum size
cv::Size textSize = cv::getTextSize(m_settings.m_overlayText.toStdString(), 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_settings.m_overlayText.toStdString(), textOrg, fontFace, fontScale, cv::Scalar::all(255*m_settings.m_uniformLevel), thickness, cv::LINE_AA);
}
void ATVModSource::applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, bool force)
{
qDebug() << "ATVModSource::applyChannelSettings:"
<< " channelSampleRate: " << channelSampleRate
<< " channelFrequencyOffset: " << channelFrequencyOffset;
if ((channelFrequencyOffset != m_channelFrequencyOffset) ||
(channelSampleRate != m_channelSampleRate) || force)
{
m_carrierNco.setFreq(channelFrequencyOffset, channelSampleRate);
}
if ((channelSampleRate != m_channelSampleRate) || force)
{
getBaseValues(channelSampleRate, m_settings.m_nbLines * m_settings.m_fps, m_tvSampleRate, m_pointsPerLine);
if (m_tvSampleRate > 0)
{
m_interpolatorDistanceRemain = 0;
m_interpolatorDistance = (Real) m_tvSampleRate / (Real) channelSampleRate;
m_interpolator.create(32,
m_tvSampleRate,
m_settings.m_rfBandwidth / getRFBandwidthDivisor(m_settings.m_atvModulation),
3.0);
}
else
{
m_tvSampleRate = channelSampleRate;
}
m_SSBFilter->create_filter(0, m_settings.m_rfBandwidth / (float) m_tvSampleRate);
std::fill(m_SSBFilterBuffer, m_SSBFilterBuffer + (m_ssbFftLen/2), Complex{0.0, 0.0});
m_SSBFilterBufferIndex = 0;
m_DSBFilter->create_asym_filter(
m_settings.m_rfOppBandwidth / (float) m_tvSampleRate,
m_settings.m_rfBandwidth / (float) m_tvSampleRate
);
std::fill(m_DSBFilterBuffer, m_DSBFilterBuffer + m_ssbFftLen, Complex{0.0, 0.0});
m_DSBFilterBufferIndex = 0;
applyStandard(m_settings); // set all timings
if (getMessageQueueToGUI())
{
ATVModReport::MsgReportEffectiveSampleRate *report;
report = ATVModReport::MsgReportEffectiveSampleRate::create(m_tvSampleRate, m_pointsPerLine);
getMessageQueueToGUI()->push(report);
}
}
m_channelSampleRate = channelSampleRate;
m_channelFrequencyOffset = channelFrequencyOffset;
}
void ATVModSource::applySettings(const ATVModSettings& settings, bool force)
{
qDebug() << "ATVModSource::applySettings:"
<< " m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
<< " 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
<< " m_showOverlayText: " << settings.m_showOverlayText
<< " m_overlayText: " << settings.m_overlayText
<< " force: " << force;
if ((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(m_channelSampleRate, settings.m_nbLines * settings.m_fps, m_tvSampleRate, m_pointsPerLine);
if (m_tvSampleRate > 0)
{
m_interpolatorDistanceRemain = 0;
m_interpolatorDistance = (Real) m_tvSampleRate / (Real) m_channelSampleRate;
m_interpolator.create(32,
m_tvSampleRate,
settings.m_rfBandwidth / getRFBandwidthDivisor(settings.m_atvModulation),
3.0);
}
m_SSBFilter->create_filter(0, settings.m_rfBandwidth / (float) m_tvSampleRate);
std::fill(m_SSBFilterBuffer, m_SSBFilterBuffer + (m_ssbFftLen/2), Complex{0.0, 0.0});
m_SSBFilterBufferIndex = 0;
applyStandard(settings); // set all timings
if (getMessageQueueToGUI())
{
ATVModReport::MsgReportEffectiveSampleRate *report;
report = ATVModReport::MsgReportEffectiveSampleRate::create(m_tvSampleRate, m_pointsPerLine);
getMessageQueueToGUI()->push(report);
}
}
if ((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_DSBFilter->create_asym_filter(
settings.m_rfOppBandwidth / (float) m_tvSampleRate,
settings.m_rfBandwidth / (float) m_tvSampleRate
);
std::fill(m_DSBFilterBuffer, m_DSBFilterBuffer + m_ssbFftLen, Complex{0.0, 0.0});
m_DSBFilterBufferIndex = 0;
}
if ((settings.m_showOverlayText != m_settings.m_showOverlayText) || force)
{
if (!m_imageFromFile.empty())
{
m_imageFromFile.copyTo(m_imageOriginal);
if (settings.m_showOverlayText) {
qDebug("ATVModSource::applySettings: set overlay text");
mixImageAndText(m_imageOriginal);
} else{
qDebug("ATVModSource::applySettings: clear overlay text");
}
resizeImage();
}
}
m_settings = settings;
}
void ATVModSource::reportVideoFileSourceStreamTiming()
{
int framesCount;
if (m_videoOK && m_video.isOpened())
{
framesCount = m_video.get(cv::CAP_PROP_POS_FRAMES);;
} else {
framesCount = 0;
}
if (getMessageQueueToGUI())
{
ATVModReport::MsgReportVideoFileSourceStreamTiming *report;
report = ATVModReport::MsgReportVideoFileSourceStreamTiming::create(framesCount);
getMessageQueueToGUI()->push(report);
}
}
void ATVModSource::configureCameraIndex(unsigned int index)
{
if (index < m_cameras.size())
{
m_cameraIndex = index;
if (getMessageQueueToGUI())
{
ATVModReport::MsgReportCameraData *report;
report = ATVModReport::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);
}
}
}
void ATVModSource::configureCameraData(uint32_t index, float mnaualFPS, bool manualFPSEnable)
{
if (index < m_cameras.size())
{
m_cameras[index].m_videoFPSManual = mnaualFPS;
m_cameras[index].m_videoFPSManualEnable = manualFPSEnable;
}
}
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