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sdrangel/plugins/channeltx/modatv/atvmod.h

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29 KiB
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Czysty Wina Historia

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef PLUGINS_CHANNELTX_MODATV_ATVMOD_H_
#define PLUGINS_CHANNELTX_MODATV_ATVMOD_H_
#include <vector>
#include <QObject>
#include <QMutex>
#include <QNetworkRequest>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/videoio.hpp>
#include <stdint.h>
#include "dsp/basebandsamplesource.h"
#include "channel/channelapi.h"
#include "dsp/nco.h"
#include "dsp/interpolator.h"
#include "util/movingaverage.h"
#include "dsp/fftfilt.h"
#include "util/message.h"
#include "atvmodsettings.h"
class QNetworkAccessManager;
class QNetworkReply;
class DeviceAPI;
class ThreadedBasebandSampleSource;
class UpChannelizer;
class ATVMod : public BasebandSampleSource, public ChannelAPI {
Q_OBJECT
public:
class MsgConfigureATVMod : public Message {
MESSAGE_CLASS_DECLARATION
public:
const ATVModSettings& getSettings() const { return m_settings; }
bool getForce() const { return m_force; }
static MsgConfigureATVMod* create(const ATVModSettings& settings, bool force)
{
return new MsgConfigureATVMod(settings, force);
}
private:
ATVModSettings m_settings;
bool m_force;
MsgConfigureATVMod(const ATVModSettings& settings, bool force) :
Message(),
m_settings(settings),
m_force(force)
{ }
};
class MsgConfigureChannelizer : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getCenterFrequency() const { return m_centerFrequency; }
static MsgConfigureChannelizer* create(int centerFrequency)
{
return new MsgConfigureChannelizer(centerFrequency);
}
private:
int m_centerFrequency;
MsgConfigureChannelizer(int centerFrequency) :
Message(),
m_centerFrequency(centerFrequency)
{ }
};
class MsgConfigureImageFileName : public Message
{
MESSAGE_CLASS_DECLARATION
public:
const QString& getFileName() const { return m_fileName; }
static MsgConfigureImageFileName* create(const QString& fileName)
{
return new MsgConfigureImageFileName(fileName);
}
private:
QString m_fileName;
MsgConfigureImageFileName(const QString& fileName) :
Message(),
m_fileName(fileName)
{ }
};
class MsgConfigureVideoFileName : public Message
{
MESSAGE_CLASS_DECLARATION
public:
const QString& getFileName() const { return m_fileName; }
static MsgConfigureVideoFileName* create(const QString& fileName)
{
return new MsgConfigureVideoFileName(fileName);
}
private:
QString m_fileName;
MsgConfigureVideoFileName(const QString& fileName) :
Message(),
m_fileName(fileName)
{ }
};
class MsgConfigureVideoFileSourceSeek : public Message
{
MESSAGE_CLASS_DECLARATION
public:
int getPercentage() const { return m_seekPercentage; }
static MsgConfigureVideoFileSourceSeek* create(int seekPercentage)
{
return new MsgConfigureVideoFileSourceSeek(seekPercentage);
}
protected:
int m_seekPercentage; //!< percentage of seek position from the beginning 0..100
MsgConfigureVideoFileSourceSeek(int seekPercentage) :
Message(),
m_seekPercentage(seekPercentage)
{ }
};
class MsgConfigureVideoFileSourceStreamTiming : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgConfigureVideoFileSourceStreamTiming* create()
{
return new MsgConfigureVideoFileSourceStreamTiming();
}
private:
MsgConfigureVideoFileSourceStreamTiming() :
Message()
{ }
};
class MsgReportVideoFileSourceStreamTiming : public Message
{
MESSAGE_CLASS_DECLARATION
public:
int getFrameCount() const { return m_frameCount; }
static MsgReportVideoFileSourceStreamTiming* create(int frameCount)
{
return new MsgReportVideoFileSourceStreamTiming(frameCount);
}
protected:
int m_frameCount;
MsgReportVideoFileSourceStreamTiming(int frameCount) :
Message(),
m_frameCount(frameCount)
{ }
};
class MsgReportVideoFileSourceStreamData : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getFrameRate() const { return m_frameRate; }
quint32 getVideoLength() const { return m_videoLength; }
static MsgReportVideoFileSourceStreamData* create(int frameRate,
quint32 recordLength)
{
return new MsgReportVideoFileSourceStreamData(frameRate, recordLength);
}
protected:
int m_frameRate;
int m_videoLength; //!< Video length in frames
MsgReportVideoFileSourceStreamData(int frameRate,
int videoLength) :
Message(),
m_frameRate(frameRate),
m_videoLength(videoLength)
{ }
};
class MsgConfigureCameraIndex : public Message
{
MESSAGE_CLASS_DECLARATION
public:
int getIndex() const { return m_index; }
static MsgConfigureCameraIndex* create(int index)
{
return new MsgConfigureCameraIndex(index);
}
private:
int m_index;
MsgConfigureCameraIndex(int index) :
Message(),
m_index(index)
{ }
};
class MsgConfigureCameraData : public Message
{
MESSAGE_CLASS_DECLARATION
public:
int getIndex() const { return m_index; }
float getManualFPS() const { return m_manualFPS; }
bool getManualFPSEnable() const { return m_manualFPSEnable; }
static MsgConfigureCameraData* create(
int index,
float manualFPS,
bool manualFPSEnable)
{
return new MsgConfigureCameraData(index, manualFPS, manualFPSEnable);
}
private:
int m_index;
float m_manualFPS;
bool m_manualFPSEnable;
MsgConfigureCameraData(int index, float manualFPS, bool manualFPSEnable) :
Message(),
m_index(index),
m_manualFPS(manualFPS),
m_manualFPSEnable(manualFPSEnable)
{ }
};
class MsgReportCameraData : public Message {
MESSAGE_CLASS_DECLARATION
public:
int getdeviceNumber() const { return m_deviceNumber; }
float getFPS() const { return m_fps; }
float getFPSManual() const { return m_fpsManual; }
bool getFPSManualEnable() const { return m_fpsManualEnable; }
int getWidth() const { return m_width; }
int getHeight() const { return m_height; }
int getStatus() const { return m_status; }
static MsgReportCameraData* create(
int deviceNumber,
float fps,
float fpsManual,
bool fpsManualEnable,
int width,
int height,
int status)
{
return new MsgReportCameraData(
deviceNumber,
fps,
fpsManual,
fpsManualEnable,
width,
height,
status);
}
protected:
int m_deviceNumber;
float m_fps;
float m_fpsManual;
bool m_fpsManualEnable;
int m_width;
int m_height;
int m_status;
MsgReportCameraData(
int deviceNumber,
float fps,
float fpsManual,
bool fpsManualEnable,
int width,
int height,
int status) :
Message(),
m_deviceNumber(deviceNumber),
m_fps(fps),
m_fpsManual(fpsManual),
m_fpsManualEnable(fpsManualEnable),
m_width(width),
m_height(height),
m_status(status)
{ }
};
class MsgReportEffectiveSampleRate : public Message
{
MESSAGE_CLASS_DECLARATION
public:
int getSampleRate() const { return m_sampleRate; }
uint32_t gatNbPointsPerLine() const { return m_nbPointsPerLine; }
static MsgReportEffectiveSampleRate* create(int sampleRate, uint32_t nbPointsPerLine)
{
return new MsgReportEffectiveSampleRate(sampleRate, nbPointsPerLine);
}
protected:
int m_sampleRate;
uint32_t m_nbPointsPerLine;
MsgReportEffectiveSampleRate(
int sampleRate,
uint32_t nbPointsPerLine) :
Message(),
m_sampleRate(sampleRate),
m_nbPointsPerLine(nbPointsPerLine)
{ }
};
ATVMod(DeviceAPI *deviceAPI);
~ATVMod();
virtual void destroy() { delete this; }
virtual void pull(Sample& sample);
virtual void pullAudio(int nbSamples); // this is used for video signal actually
virtual void start();
virtual void stop();
virtual bool handleMessage(const Message& cmd);
virtual void getIdentifier(QString& id) { id = objectName(); }
virtual void getTitle(QString& title) { title = m_settings.m_title; }
virtual qint64 getCenterFrequency() const { return m_settings.m_inputFrequencyOffset; }
virtual QByteArray serialize() const;
virtual bool deserialize(const QByteArray& data);
virtual int getNbSinkStreams() const { return 1; }
virtual int getNbSourceStreams() const { return 0; }
virtual qint64 getStreamCenterFrequency(int streamIndex, bool sinkElseSource) const
{
(void) streamIndex;
(void) sinkElseSource;
return m_settings.m_inputFrequencyOffset;
}
virtual int webapiSettingsGet(
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage);
virtual int webapiSettingsPutPatch(
bool force,
const QStringList& channelSettingsKeys,
SWGSDRangel::SWGChannelSettings& response,
QString& errorMessage);
virtual int webapiReportGet(
SWGSDRangel::SWGChannelReport& response,
QString& errorMessage);
int getEffectiveSampleRate() const { return m_tvSampleRate; };
double getMagSq() const { return m_movingAverage.asDouble(); }
void getCameraNumbers(std::vector<int>& numbers);
static void getBaseValues(int outputSampleRate, int linesPerSecond, int& sampleRateUnits, uint32_t& nbPointsPerRateUnit);
static float getRFBandwidthDivisor(ATVModSettings::ATVModulation modulation);
static const QString m_channelIdURI;
static const QString m_channelId;
signals:
/**
* Level changed
* \param rmsLevel RMS level in range 0.0 - 1.0
* \param peakLevel Peak level in range 0.0 - 1.0
* \param numSamples Number of audio samples analyzed
*/
void levelChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
private slots:
void networkManagerFinished(QNetworkReply *reply);
private:
struct ATVCamera
{
cv::VideoCapture m_camera; //!< camera object
cv::Mat m_videoframeOriginal; //!< camera non resized image
cv::Mat m_videoFrame; //!< displayable camera frame
int m_cameraNumber; //!< camera device number
float m_videoFPS; //!< camera FPS rate
float m_videoFPSManual; //!< camera FPS rate manually set
bool m_videoFPSManualEnable; //!< Enable camera FPS rate manual set value
int m_videoWidth; //!< camera frame width
int m_videoHeight; //!< camera frame height
float m_videoFx; //!< camera horizontal scaling factor
float m_videoFy; //!< camera vertictal scaling factor
float m_videoFPSq; //!< camera FPS sacaling factor
float m_videoFPSqManual; //!< camera FPS sacaling factor manually set
float m_videoFPSCount; //!< camera FPS fractional counter
int m_videoPrevFPSCount; //!< camera FPS previous integer counter
ATVCamera() :
m_cameraNumber(-1),
m_videoFPS(25.0f),
m_videoFPSManual(20.0f),
m_videoFPSManualEnable(false),
m_videoWidth(1),
m_videoHeight(1),
m_videoFx(1.0f),
m_videoFy(1.0f),
m_videoFPSq(1.0f),
m_videoFPSqManual(1.0f),
m_videoFPSCount(0.0f),
m_videoPrevFPSCount(0)
{}
};
DeviceAPI* m_deviceAPI;
ThreadedBasebandSampleSource* m_threadedChannelizer;
UpChannelizer* m_channelizer;
int m_outputSampleRate;
int m_inputFrequencyOffset;
ATVModSettings m_settings;
NCO m_carrierNco;
Complex m_modSample;
float m_modPhasor; //!< For FM modulation
Interpolator m_interpolator;
Real m_interpolatorDistance;
Real m_interpolatorDistanceRemain;
int m_tvSampleRate; //!< sample rate for generating signal
uint32_t m_pointsPerLine; //!< Number of points per full line
int m_pointsPerSync; //!< number of line points for the horizontal sync
int m_pointsPerBP; //!< number of line points for the back porch
int m_pointsPerImgLine; //!< number of line points for the image line
uint32_t m_pointsPerFP; //!< number of line points for the front porch
int m_pointsPerFSync; //!< number of line points for the field first sync
uint32_t m_pointsPerHBar; //!< number of line points for a bar of the bar chart
uint32_t m_linesPerVBar; //!< number of lines for a bar of the bar chart
uint32_t m_pointsPerTU; //!< number of line points per time unit
int m_nbLines; //!< number of lines per complete frame
int m_nbLines2; //!< same number as above (non interlaced) or half the number above (interlaced)
uint32_t m_nbImageLines; //!< number of image lines excluding synchronization lines
uint32_t m_nbImageLines2; //!< same number as above (non interlaced) or half the number above (interlaced)
int m_nbHorizPoints; //!< number of line points per horizontal line
int m_nbSyncLinesHeadE; //!< number of header sync lines on even frame
int m_nbSyncLinesHeadO; //!< number of header sync lines on odd frame
int m_nbSyncLinesBottom;//!< number of sync lines at bottom
int m_nbLongSyncLines; //!< number of whole long sync lines for vertical synchronization
int m_nbHalfLongSync; //!< number of half long sync / equalization lines
int m_nbWholeEqLines; //!< number of whole equalizing lines
bool m_singleLongSync; //!< single or double long sync per long sync line
int m_nbBlankLines; //!< number of lines in a frame (full or half) that are blanked (black) at the top of the image
float m_blankLineLvel; //!< video level of blank lines
float m_hBarIncrement; //!< video level increment at each horizontal bar increment
float m_vBarIncrement; //!< video level increment at each vertical bar increment
bool m_interleaved; //!< true if image is interlaced (2 half frames per frame)
bool m_evenImage; //!< in interlaced mode true if this is an even image
QMutex m_settingsMutex;
int m_horizontalCount; //!< current point index on line
int m_lineCount; //!< current line index in frame
float m_fps; //!< resulting frames per second
MovingAverageUtil<double, double, 16> m_movingAverage;
quint32 m_levelCalcCount;
Real m_peakLevel;
Real m_levelSum;
cv::Mat m_imageFromFile; //!< original image not resized not overlaid by text
cv::Mat m_imageOriginal; //!< original not resized image
cv::Mat m_image; //!< resized image for transmission at given rate
bool m_imageOK;
cv::VideoCapture m_video; //!< current video capture
cv::Mat m_videoframeOriginal; //!< current frame from video
cv::Mat m_videoFrame; //!< current displayable video frame
float m_videoFPS; //!< current video FPS rate
int m_videoWidth; //!< current video frame width
int m_videoHeight; //!< current video frame height
float m_videoFx; //!< current video horizontal scaling factor
float m_videoFy; //!< current video vertictal scaling factor
float m_videoFPSq; //!< current video FPS sacaling factor
float m_videoFPSCount; //!< current video FPS fractional counter
int m_videoPrevFPSCount; //!< current video FPS previous integer counter
int m_videoLength; //!< current video length in frames
bool m_videoEOF; //!< current video has reached end of file
bool m_videoOK;
std::vector<ATVCamera> m_cameras; //!< vector of available cameras
int m_cameraIndex; //!< curent camera index in list of available cameras
std::string m_overlayText;
QString m_imageFileName;
QString m_videoFileName;
// Used for standard SSB
fftfilt* m_SSBFilter;
Complex* m_SSBFilterBuffer;
int m_SSBFilterBufferIndex;
// Used for vestigial SSB with asymmetrical filtering (needs double sideband scheme)
fftfilt* m_DSBFilter;
Complex* m_DSBFilterBuffer;
int m_DSBFilterBufferIndex;
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
static const int m_ssbFftLen;
static const float m_blackLevel;
static const float m_spanLevel;
static const int m_levelNbSamples;
static const int m_nbBars; //!< number of bars in bar or chessboard patterns
static const int m_cameraFPSTestNbFrames; //!< number of frames for camera FPS test
void applyChannelSettings(int outputSampleRate, int inputFrequencyOffset, bool force = false);
void applySettings(const ATVModSettings& settings, bool force = false);
void pullFinalize(Complex& ci, Sample& sample);
void pullVideo(Real& sample);
void calculateLevel(Real& sample);
void modulateSample();
Complex& modulateSSB(Real& sample);
Complex& modulateVestigialSSB(Real& sample);
void applyStandard();
void openImage(const QString& fileName);
void openVideo(const QString& fileName);
void resizeImage();
void calculateVideoSizes();
void resizeVideo();
void seekVideoFileStream(int seekPercentage);
void scanCameras();
void releaseCameras();
void calculateCamerasSizes();
void resizeCameras();
void resizeCamera();
void mixImageAndText(cv::Mat& image);
void webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const ATVModSettings& settings);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
void webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const ATVModSettings& settings, bool force);
inline void pullImageLine(Real& sample, bool noHSync = false)
{
if (m_horizontalCount < m_pointsPerSync) // sync pulse
{
sample = noHSync ? m_blackLevel : 0.0f; // ultra-black
}
else if (m_horizontalCount < m_pointsPerSync + m_pointsPerBP) // back porch
{
sample = m_blackLevel; // black
}
else if (m_horizontalCount < m_pointsPerSync + m_pointsPerBP + m_pointsPerImgLine)
{
int pointIndex = m_horizontalCount - (m_pointsPerSync + m_pointsPerBP);
int oddity = m_lineCount < m_nbLines2 + 1 ? 0 : 1;
int iLine = oddity == 0 ? m_lineCount : m_lineCount - m_nbLines2 - 1;
int iLineImage = iLine - m_nbBlankLines - (oddity == 0 ? m_nbSyncLinesHeadE : m_nbSyncLinesHeadO);
switch(m_settings.m_atvModInput)
{
case ATVModSettings::ATVModInputHBars:
sample = (((float)pointIndex) / m_pointsPerHBar) * m_hBarIncrement + m_blackLevel;
break;
case ATVModSettings::ATVModInputVBars:
sample = (((float)iLine) / m_linesPerVBar) * m_vBarIncrement + m_blackLevel;
break;
case ATVModSettings::ATVModInputChessboard:
sample = (((iLine / m_linesPerVBar)*5 + (pointIndex / m_pointsPerHBar)) % 2) * m_spanLevel * m_settings.m_uniformLevel + m_blackLevel;
break;
case ATVModSettings::ATVModInputHGradient:
sample = (pointIndex / (float) m_pointsPerImgLine) * m_spanLevel + m_blackLevel;
break;
case ATVModSettings::ATVModInputVGradient:
sample = ((iLine -5) / (float) m_nbImageLines2) * m_spanLevel + m_blackLevel;
break;
case ATVModSettings::ATVModInputImage:
if (!m_imageOK || (iLineImage < -oddity) || m_image.empty())
{
sample = m_spanLevel * m_settings.m_uniformLevel + m_blackLevel;
}
else
{
unsigned char pixv;
if (m_interleaved) {
pixv = m_image.at<unsigned char>(2*iLineImage + oddity, pointIndex); // row (y), col (x)
} else {
pixv = m_image.at<unsigned char>(iLineImage, pointIndex); // row (y), col (x)
}
sample = (pixv / 256.0f) * m_spanLevel + m_blackLevel;
}
break;
case ATVModSettings::ATVModInputVideo:
if (!m_videoOK || (iLineImage < -oddity) || m_videoFrame.empty())
{
sample = m_spanLevel * m_settings.m_uniformLevel + m_blackLevel;
}
else
{
unsigned char pixv;
if (m_interleaved) {
pixv = m_videoFrame.at<unsigned char>(2*iLineImage + oddity, pointIndex); // row (y), col (x)
} else {
pixv = m_videoFrame.at<unsigned char>(iLineImage, pointIndex); // row (y), col (x)
}
sample = (pixv / 256.0f) * m_spanLevel + m_blackLevel;
}
break;
case ATVModSettings::ATVModInputCamera:
if ((iLineImage < -oddity) || (m_cameraIndex < 0))
{
sample = m_spanLevel * m_settings.m_uniformLevel + m_blackLevel;
}
else
{
ATVCamera& camera = m_cameras[m_cameraIndex];
if (camera.m_videoFrame.empty())
{
sample = m_spanLevel * m_settings.m_uniformLevel + m_blackLevel;
}
else
{
unsigned char pixv;
if (m_interleaved) {
pixv = camera.m_videoFrame.at<unsigned char>(2*iLineImage + oddity, pointIndex); // row (y), col (x)
} else {
pixv = camera.m_videoFrame.at<unsigned char>(iLineImage, pointIndex); // row (y), col (x)
}
sample = (pixv / 256.0f) * m_spanLevel + m_blackLevel;
}
}
break;
case ATVModSettings::ATVModInputUniform:
default:
sample = m_spanLevel * m_settings.m_uniformLevel + m_blackLevel;
}
}
else // front porch
{
sample = m_blackLevel; // black
}
}
inline void pullVSyncLineLongPulses(Real& sample)
{
int halfIndex = m_horizontalCount % (m_nbHorizPoints/2);
if (halfIndex < (m_nbHorizPoints/2) - m_pointsPerSync) // ultra-black
{
sample = 0.0f;
}
else // black
{
if (m_singleLongSync && (m_horizontalCount < m_nbHorizPoints/2)) {
sample = 0.0f;
} else {
sample = m_blackLevel;
}
}
}
inline void pullVSyncLineEqualizingPulses(Real& sample)
{
if (m_horizontalCount < m_pointsPerSync)
{
sample = 0.0f; // ultra-black
}
else if (m_horizontalCount < (m_nbHorizPoints/2))
{
sample = m_blackLevel; // black
}
else if (m_horizontalCount < (m_nbHorizPoints/2) + m_pointsPerFSync)
{
sample = 0.0f; // ultra-black
}
else
{
sample = m_blackLevel; // black
}
}
inline void pullVSyncLineEqualizingThenLongPulses(Real& sample)
{
if (m_horizontalCount < m_pointsPerSync)
{
sample = 0.0f; // ultra-black
}
else if (m_horizontalCount < (m_nbHorizPoints/2))
{
sample = m_blackLevel; // black
}
else if (m_horizontalCount < m_nbHorizPoints - m_pointsPerSync)
{
sample = 0.0f; // ultra-black
}
else
{
sample = m_blackLevel; // black
}
}
inline void pullVSyncLineLongThenEqualizingPulses(Real& sample)
{
if (m_horizontalCount < (m_nbHorizPoints/2) - m_pointsPerSync)
{
sample = 0.0f; // ultra-black
}
else if (m_horizontalCount < (m_nbHorizPoints/2))
{
sample = m_blackLevel; // black
}
else if (m_horizontalCount < (m_nbHorizPoints/2) + m_pointsPerFSync)
{
sample = 0.0f; // ultra-black
}
else
{
sample = m_blackLevel; // black
}
}
inline void pullVSyncLine(Real& sample)
{
if (m_lineCount < m_nbLines2 + 1) // even
{
int fieldLine = m_lineCount;
if (fieldLine < m_nbLongSyncLines) // 0,1: Whole line "long" pulses
{
pullVSyncLineLongPulses(sample);
}
else if (fieldLine < m_nbLongSyncLines + m_nbHalfLongSync) // long pulse then equalizing pulse
{
pullVSyncLineLongThenEqualizingPulses(sample);
}
else if (fieldLine < m_nbLongSyncLines + m_nbHalfLongSync + m_nbWholeEqLines) // Whole line equalizing pulses
{
pullVSyncLineEqualizingPulses(sample);
}
else if (fieldLine > m_nbLines2 - m_nbHalfLongSync) // equalizing pulse then long pulse
{
pullVSyncLineEqualizingThenLongPulses(sample);
}
else if (fieldLine > m_nbLines2 - m_nbHalfLongSync - m_nbWholeEqLines) // Whole line equalizing pulses
{
pullVSyncLineEqualizingPulses(sample);
}
else // black images
{
if (m_horizontalCount < m_pointsPerSync)
{
sample = 0.0f;
}
else
{
sample = m_blankLineLvel;
}
}
}
else // odd
{
int fieldLine = m_lineCount - m_nbLines2 - 1;
if (fieldLine < m_nbLongSyncLines) // 0,1: Whole line "long" pulses
{
pullVSyncLineLongPulses(sample);
}
else if (fieldLine < m_nbLongSyncLines + m_nbWholeEqLines) // Whole line equalizing pulses
{
pullVSyncLineEqualizingPulses(sample);
}
else if (fieldLine > m_nbLines2 - 1 - m_nbWholeEqLines - m_nbHalfLongSync) // Whole line equalizing pulses
{
pullVSyncLineEqualizingPulses(sample);
}
else // black images
{
if (m_horizontalCount < m_pointsPerSync)
{
sample = 0.0f;
}
else
{
sample = m_blankLineLvel;
}
}
}
}
};
#endif /* PLUGINS_CHANNELTX_MODATV_ATVMOD_H_ */
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