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ATV Modulator: still image loader

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This commit is contained in:
f4exb 2017-03-08 19:04:10 +01:00
parent 166f07f26f
commit 82de4eceec
4 changed files with 49 additions and 26 deletions
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47
plugins/channeltx/modatv/atvmod.cpp
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@ -16,6 +16,8 @@
#include <QDebug>
#include "opencv2/imgproc/imgproc.hpp"
#include "dsp/upchannelizer.h"
#include "atvmod.h"
@ -25,6 +27,7 @@ MESSAGE_CLASS_DEFINITION(ATVMod::MsgConfigureImageFileName, Message)
const float ATVMod::m_blackLevel = 0.3f;
const float ATVMod::m_spanLevel = 0.7f;
const int ATVMod::m_levelNbSamples = 10000; // every 10ms
const int ATVMod::m_nbBars = 6;
ATVMod::ATVMod() :
m_modPhasor(0.0f),
@ -32,7 +35,8 @@ ATVMod::ATVMod() :
m_tvSampleRate(1000000),
m_settingsMutex(QMutex::Recursive),
m_horizontalCount(0),
m_lineCount(0)
m_lineCount(0),
m_imageOK(false)
{
setObjectName("ATVMod");
@ -319,7 +323,7 @@ void ATVMod::applyStandard()
switch(m_config.m_atvStd)
{
case ATVStdPAL525:
case ATVStdPAL525: // Follows PAL-M standard
m_pointsPerSync = (uint32_t) roundf(4.7f * m_pointsPerTU); // normal sync pulse (4.7/1.008 us)
m_pointsPerBP = (uint32_t) roundf(4.7f * m_pointsPerTU); // back porch (4.7/1.008 us)
m_pointsPerFP = (uint32_t) roundf(1.5f * m_pointsPerTU); // front porch (1.5/1.008 us)
@ -329,16 +333,16 @@ void ATVMod::applyStandard()
m_nbLines = 525;
m_nbLines2 = 262;
m_nbImageLines = 510;
m_nbImageLines2 = 205;
m_nbImageLines2 = 255;
m_interlaced = true;
m_nbHorizPoints = 64 * m_pointsPerTU; // full line
m_nbBlankLines = 16;
m_pointsPerHBar = m_pointsPerImgLine / 6;
m_linesPerVBar = m_nbImageLines2 / 6;
m_hBarIncrement = m_spanLevel / 6.0f;
m_vBarIncrement = m_spanLevel / 6.0f;
m_nbBlankLines = 15; // yields 480 lines (255 - 15) * 2
m_pointsPerHBar = m_pointsPerImgLine / m_nbBars;
m_linesPerVBar = m_nbImageLines2 / m_nbBars;
m_hBarIncrement = m_spanLevel / (float) m_nbBars;
m_vBarIncrement = m_spanLevel / (float) m_nbBars;
break;
case ATVStdPAL625:
case ATVStdPAL625: // Follows PAL-B/G/H standard
default:
m_pointsPerSync = (uint32_t) roundf(4.7f * m_pointsPerTU); // normal sync pulse (4.7 us)
m_pointsPerBP = (uint32_t) roundf(4.7f * m_pointsPerTU); // back porch (4.7 us)
@ -352,10 +356,25 @@ void ATVMod::applyStandard()
m_nbImageLines2 = 305;
m_interlaced = true;
m_nbHorizPoints = 64 * m_pointsPerTU; // full line
m_nbBlankLines = 16;
m_pointsPerHBar = m_pointsPerImgLine / 6;
m_linesPerVBar = m_nbImageLines2 / 6;
m_hBarIncrement = m_spanLevel / 6.0f;
m_vBarIncrement = m_spanLevel / 6.0f;
m_nbBlankLines = 17; // yields 576 lines (305 - 17) * 2
m_pointsPerHBar = m_pointsPerImgLine / m_nbBars;
m_linesPerVBar = m_nbImageLines2 / m_nbBars;
m_hBarIncrement = m_spanLevel / (float) m_nbBars;
m_vBarIncrement = m_spanLevel / (float) m_nbBars;
}
}
void ATVMod::openImage(QString& fileName)
{
cv::Mat tmpImage = cv::imread(qPrintable(fileName), CV_LOAD_IMAGE_GRAYSCALE);
m_imageOK = tmpImage.data != 0;
if (m_imageOK)
{
float fy = (m_nbImageLines - 2*m_nbBlankLines) / (float) tmpImage.rows;
float fx = m_pointsPerImgLine / (float) tmpImage.cols;
cv::resize(tmpImage, m_image, cv::Size(), fx, fy);
qDebug("ATVMod::openImage: %d x %d -> %d x %d", tmpImage.cols, tmpImage.rows, m_image.cols, m_image.rows);
// later: image.at<char>(49,39);
}
}

22
plugins/channeltx/modatv/atvmod.h
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@ -46,7 +46,7 @@ public:
ATVModInputUniform,
ATVModInputHBars,
ATVModInputVBars,
ATVModInputCheckbox,
ATVModInputChessboard,
ATVModInputHGradient,
ATVModInputVGradient,
ATVModInputImage,
@ -194,15 +194,15 @@ private:
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
uint32_t m_nbLines; //!< number of lines per complete frame
uint32_t m_nbLines2;
uint32_t m_nbImageLines;
uint32_t m_nbImageLines2;
uint32_t 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)
uint32_t m_nbHorizPoints; //!< number of line points per horizontal line
uint32_t m_nbBlankLines;
float m_hBarIncrement;
float m_vBarIncrement;
uint32_t m_nbBlankLines; //!< number of lines in a frame (full or half) that are blanked (black) at the top of the image
float m_hBarIncrement; //!< video level increment at each horizontal bar increment
float m_vBarIncrement; //!< video level increment at each vertical bar increment
bool m_interlaced; //!< true if image is interlaced (2 half frames per frame)
bool m_evenImage;
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
@ -213,10 +213,12 @@ private:
Real m_levelSum;
cv::Mat m_image;
bool m_imageOK;
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
void apply(bool force = false);
void pullFinalize(Complex& ci, Sample& sample);
@ -224,6 +226,7 @@ private:
void calculateLevel(Real& sample);
void modulateSample();
void applyStandard();
void openImage(QString& fileName);
inline void pullImageLine(Real& sample)
{
@ -248,7 +251,7 @@ private:
case ATVModInputVBars:
sample = (iLine / m_linesPerVBar) * m_vBarIncrement + m_blackLevel;
break;
case ATVModInputCheckbox:
case ATVModInputChessboard:
sample = (((iLine / m_linesPerVBar)*5 + (pointIndex / m_pointsPerHBar)) % 2) * m_spanLevel * m_running.m_uniformLevel + m_blackLevel;
break;
@ -258,6 +261,7 @@ private:
case ATVModInputVGradient:
sample = ((iLine -5) / (float) m_nbImageLines2) * m_spanLevel + m_blackLevel;
break;
case ATVModInputImage:
case ATVModInputUniform:
default:
sample = m_spanLevel * m_running.m_uniformLevel + m_blackLevel;

2
plugins/channeltx/modatv/atvmodgui.ui
View File

@ -372,7 +372,7 @@
</item>
<item>
<property name="text">
<string>Chekbd</string>
<string>Chess</string>
</property>
</item>
<item>

4
plugins/channeltx/modatv/modatv.pro
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@ -37,7 +37,7 @@ FORMS += atvmodgui.ui
LIBS += -L../../../sdrbase/$${build_subdir} -lsdrbase
CONFIG(MINGW32):LIBS += -LD:\softs\opencv\build\mw32\install\x86\mingw\bin -llibopencv_core2413 -llibopencv_highgui2413
CONFIG(MINGW64):LIBS += -LD:\softs\opencv\build\mw64\install\x64\mingw\bin -llibopencv_core2413 -llibopencv_highgui2413
CONFIG(MINGW32):LIBS += -LD:\softs\opencv\build\mw32\install\x86\mingw\bin -llibopencv_core2413 -llibopencv_highgui2413 -llibopencv_imgproc2413
CONFIG(MINGW64):LIBS += -LD:\softs\opencv\build\mw64\install\x64\mingw\bin -llibopencv_core2413 -llibopencv_highgui2413 -llibopencv_imgproc2413
RESOURCES = ../../../sdrbase/resources/res.qrc