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TVScreenAnalog with subsample shift shader added

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This commit is contained in:
Vort 2020-08-03 19:31:47 +03:00
parent f3fdd68fed
commit a6ec7651fb
13 changed files with 373 additions and 60 deletions
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2
plugins/channelrx/demodatv/atvdemod.h
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@ -87,7 +87,7 @@ public:
}
void setScopeSink(BasebandSampleSink* scopeSink) { m_basebandSink->setScopeSink(scopeSink); }
void setTVScreen(TVScreen *tvScreen) { m_basebandSink->setTVScreen(tvScreen); }; //!< set by the GUI
void setTVScreen(TVScreenAnalog *tvScreen) { m_basebandSink->setTVScreen(tvScreen); }; //!< set by the GUI
double getMagSq() const { return m_basebandSink->getMagSq(); } //!< Beware this is scaled to 2^30
bool getBFOLocked() { return m_basebandSink->getBFOLocked(); }
void setVideoTabIndex(int videoTabIndex) { m_basebandSink->setVideoTabIndex(videoTabIndex); }

2
plugins/channelrx/demodatv/atvdemodbaseband.h
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@ -64,7 +64,7 @@ public:
int getChannelSampleRate() const;
double getMagSq() const { return m_sink.getMagSq(); }
void setScopeSink(BasebandSampleSink* scopeSink) { m_sink.setScopeSink(scopeSink); }
void setTVScreen(TVScreen *tvScreen) { m_sink.setTVScreen(tvScreen); }
void setTVScreen(TVScreenAnalog *tvScreen) { m_sink.setTVScreen(tvScreen); }
bool getBFOLocked() { return m_sink.getBFOLocked(); }
void setVideoTabIndex(int videoTabIndex) { m_sink.setVideoTabIndex(videoTabIndex); }
void setBasebandSampleRate(int sampleRate); //!< To be used when supporting thread is stopped

2
plugins/channelrx/demodatv/atvdemodgui.cpp
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@ -242,8 +242,6 @@ ATVDemodGUI::ATVDemodGUI(PluginAPI* objPluginAPI, DeviceUISet *deviceUISet, Base
m_tvSampleRate(48000)
{
ui->setupUi(this);
ui->screenTV->setColor(false);
ui->screenTV->setExtraColumns(true);
setAttribute(Qt::WA_DeleteOnClose, true);
connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));

6
plugins/channelrx/demodatv/atvdemodgui.ui
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@ -1138,7 +1138,7 @@
<enum>QLayout::SetMinimumSize</enum>
</property>
<item>
<widget class="TVScreen" name="screenTV" native="true">
<widget class="TVScreenAnalog" name="screenTV" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
<horstretch>0</horstretch>
@ -1242,9 +1242,9 @@
<container>1</container>
</customwidget>
<customwidget>
<class>TVScreen</class>
<class>TVScreenAnalog</class>
<extends>QWidget</extends>
<header>gui/tvscreen.h</header>
<header>gui/tvscreenanalog.h</header>
<container>1</container>
</customwidget>
</customwidgets>

2
plugins/channelrx/demodatv/atvdemodsink.cpp
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@ -359,7 +359,7 @@ void ATVDemodSink::applyStandard(int sampleRate, const ATVDemodSettings& setting
// what is left in a line for the image
m_interleaved = true;
m_numberOfVSyncLines = 4;
m_numberOfBlackLines = 58;
m_numberOfBlackLines = 59;
m_firstVisibleLine = 27;
m_numberSamplesHSyncCrop = (int) (0.085f * lineDuration * sampleRate); // 8.5% of full line empirically
break;

31
plugins/channelrx/demodatv/atvdemodsink.h
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@ -32,7 +32,7 @@
#include "dsp/phasediscri.h"
#include "audio/audiofifo.h"
#include "util/movingaverage.h"
#include "gui/tvscreen.h"
#include "gui/tvscreenanalog.h"
#include "atvdemodsettings.h"
@ -44,7 +44,7 @@ public:
virtual void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
void setScopeSink(BasebandSampleSink* scopeSink) { m_scopeSink = scopeSink; }
void setTVScreen(TVScreen *tvScreen) { m_registeredTVScreen = tvScreen; } //!< set by the GUI
void setTVScreen(TVScreenAnalog *tvScreen) { m_registeredTVScreen = tvScreen; } //!< set by the GUI
double getMagSq() const { return m_magSqAverage; } //!< Beware this is scaled to 2^30
bool getBFOLocked();
void setVideoTabIndex(int videoTabIndex) { m_videoTabIndex = videoTabIndex; }
@ -107,7 +107,7 @@ private:
SampleVector m_scopeSampleBuffer;
//*************** ATV PARAMETERS ***************
TVScreen *m_registeredTVScreen;
TVScreenAnalog *m_registeredTVScreen;
//int m_intNumberSamplePerLine;
int m_numberSamplesPerHTopNom; //!< number of samples per horizontal synchronization pulse (pulse in ultra-black) - nominal value
@ -198,7 +198,7 @@ private:
inline void processSample(float& sample, int& sampleVideo)
{
// Filling pixel on the current line - reference index 0 at start of sync pulse
m_registeredTVScreen->setDataColor(m_sampleIndex - m_numberSamplesPerHSync, sampleVideo, sampleVideo, sampleVideo);
m_registeredTVScreen->setDataColor(m_sampleIndex - m_numberSamplesPerHSync, sampleVideo);
if (m_settings.m_hSync)
{
@ -286,8 +286,9 @@ private:
m_hSyncShiftCount = 0;
m_hSyncErrorCount = 0;
}
m_registeredTVScreen->renderImage(0,
shiftSamples < -1.0f ? -1.0f : (shiftSamples > 1.0f ? 1.0f : shiftSamples));
m_registeredTVScreen->renderImage();
//m_registeredTVScreen->renderImage(0,
// shiftSamples < -1.0f ? -1.0f : (shiftSamples > 1.0f ? 1.0f : shiftSamples));
}
if (m_vSyncDetectSampleCount > m_vSyncDetectThreshold &&
@ -319,7 +320,13 @@ private:
int rowIndex = m_lineIndex - m_firstVisibleLine;
if (m_interleaved)
rowIndex = rowIndex * 2 - m_fieldIndex;
m_registeredTVScreen->selectRow(rowIndex);
// TODO: CHANGE
float shiftSamples = 0.0f;
if (m_hSyncShiftCount != 0)
shiftSamples = m_hSyncShiftSum / m_hSyncShiftCount;
m_registeredTVScreen->selectRow(rowIndex,
shiftSamples < -1.0f ? -1.0f : (shiftSamples > 1.0f ? 1.0f : shiftSamples));
}
// Vertical sync is obtained by skipping horizontal sync on the line that triggers vertical sync (new frame)
@ -342,13 +349,17 @@ private:
m_hSyncShiftCount = 0;
m_hSyncErrorCount = 0;
}
m_registeredTVScreen->renderImage(0,
shiftSamples < -1.0f ? -1.0f : (shiftSamples > 1.0f ? 1.0f : shiftSamples));
m_registeredTVScreen->renderImage();
//m_registeredTVScreen->renderImage(0,
// shiftSamples < -1.0f ? -1.0f : (shiftSamples > 1.0f ? 1.0f : shiftSamples));
m_lineIndex = 0;
m_rowIndex = 0;
}
m_registeredTVScreen->selectRow(m_rowIndex);
// TODO: CHANGE
float shiftSamples = m_hSyncShiftSum / m_hSyncShiftCount;
m_registeredTVScreen->selectRow(m_rowIndex,
shiftSamples < -1.0f ? -1.0f : (shiftSamples > 1.0f ? 1.0f : shiftSamples));
}
};

2
sdrgui/CMakeLists.txt
View File

@ -51,6 +51,7 @@ set(sdrgui_SOURCES
gui/transverterbutton.cpp
gui/transverterdialog.cpp
gui/tvscreen.cpp
gui/tvscreenanalog.cpp
gui/valuedial.cpp
gui/valuedialz.cpp
@ -123,6 +124,7 @@ set(sdrgui_HEADERS
gui/transverterbutton.h
gui/transverterdialog.h
gui/tvscreen.h
gui/tvscreenanalog.h
gui/valuedial.h
gui/valuedialz.h

30
sdrgui/gui/glshadertvarray.cpp
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@ -39,13 +39,11 @@ GLShaderTVArray::GLShaderTVArray(bool blnColor) : m_blnColor(blnColor)
{
m_blnAlphaBlend = false;
m_blnAlphaReset = false;
m_blnExtraColumns = false;
m_objProgram = 0;
m_objImage = 0;
m_objTexture = 0;
m_intCols = 0;
m_intRows = 0;
m_subsampleShift = 0.0f;
m_blnInitialized = false;
m_objCurrentRow = 0;
@ -112,8 +110,7 @@ void GLShaderTVArray::InitializeGL(int intCols, int intRows)
}
//Image container
int cols = intCols + (m_blnExtraColumns ? 2 : 0);
m_objImage = new QImage(cols, intRows, QImage::Format_RGBA8888);
m_objImage = new QImage(intCols, intRows, QImage::Format_RGBA8888);
m_objImage->fill(QColor(0, 0, 0));
m_objTexture = new QOpenGLTexture(*m_objImage);
@ -158,23 +155,11 @@ void GLShaderTVArray::RenderPixels(unsigned char *chrData)
QMatrix4x4 objQMatrix;
float rectHalfWidth = 1.0f;
float sampleSize = 2.0f / m_intCols;
if (m_blnExtraColumns)
rectHalfWidth += sampleSize;
float xShift = sampleSize * m_subsampleShift;
GLfloat arrVertices[] =
// 2 3
// 1 4
{
-rectHalfWidth + xShift, -1.0f, // 1
-rectHalfWidth + xShift, 1.0f, // 2
rectHalfWidth + xShift, 1.0f, // 3
rectHalfWidth + xShift, 1.0f, // 3
rectHalfWidth + xShift, -1.0f, // 4
-rectHalfWidth + xShift, -1.0f // 1
};
//1 2 3 3 4 1
{ -1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, -1.0f, -1.0f, -1.0f };
GLfloat arrTextureCoords[] =
// 1 4
@ -242,8 +227,7 @@ void GLShaderTVArray::RenderPixels(unsigned char *chrData)
m_objTexture->bind();
ptrF->glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0,
m_intCols + (m_blnExtraColumns ? 2 : 0), m_intRows, GL_RGBA,
ptrF->glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_intCols, m_intRows, GL_RGBA,
GL_UNSIGNED_BYTE, m_objImage->bits());
ptrF->glEnableVertexAttribArray(0); // vertex
@ -334,11 +318,9 @@ bool GLShaderTVArray::SetDataColor(int intCol, QRgb objColor)
if (m_blnInitialized)
{
if ((intCol < m_intCols + m_blnExtraColumns) &&
(intCol >= -m_blnExtraColumns) &&
(m_objCurrentRow != 0))
if ((intCol < m_intCols) && (intCol >= 0) && (m_objCurrentRow != 0))
{
m_objCurrentRow[intCol + m_blnExtraColumns] = objColor;
m_objCurrentRow[intCol] = objColor;
blnRslt = true;
}
}

4
sdrgui/gui/glshadertvarray.h
View File

@ -43,8 +43,6 @@ public:
GLShaderTVArray(bool blnColor);
~GLShaderTVArray();
void setExtraColumns(bool blnExtraColumns) { m_blnExtraColumns = blnExtraColumns; }
void setSubsampleShift(float subsampleShift) { m_subsampleShift = subsampleShift; }
void setColor(bool blnColor) { m_blnColor = blnColor; }
void setAlphaBlend(bool blnAlphaBlend) { m_blnAlphaBlend = blnAlphaBlend; }
void setAlphaReset() { m_blnAlphaReset = true; }
@ -73,7 +71,6 @@ protected:
int m_intCols;
int m_intRows;
float m_subsampleShift;
QRgb * m_objCurrentRow;
@ -81,7 +78,6 @@ protected:
bool m_blnColor;
bool m_blnAlphaBlend;
bool m_blnAlphaReset;
bool m_blnExtraColumns;
};
#endif /* INCLUDE_GUI_GLTVSHADERARRAY_H_ */

10
sdrgui/gui/tvscreen.cpp
View File

@ -37,7 +37,6 @@ TVScreen::TVScreen(bool blnColor, QWidget* parent) :
m_objTimer.start(40); // capped at 25 FPS
m_chrLastData = NULL;
m_subsampleShift = 0.0;
m_blnConfigChanged = false;
m_blnDataChanged = false;
m_blnGLContextInitialized = false;
@ -59,11 +58,6 @@ void TVScreen::setColor(bool blnColor)
m_objGLShaderArray.setColor(blnColor);
}
void TVScreen::setExtraColumns(bool blnExtraColumns)
{
m_objGLShaderArray.setExtraColumns(blnExtraColumns);
}
QRgb* TVScreen::getRowBuffer(int intRow)
{
if (!m_blnGLContextInitialized)
@ -74,10 +68,9 @@ QRgb* TVScreen::getRowBuffer(int intRow)
return m_objGLShaderArray.GetRowBuffer(intRow);
}
void TVScreen::renderImage(unsigned char * objData, float subsampleShift)
void TVScreen::renderImage(unsigned char * objData)
{
m_chrLastData = objData;
m_subsampleShift = subsampleShift;
m_blnDataChanged = true;
}
@ -184,7 +177,6 @@ void TVScreen::paintGL()
m_intAskedRows = 0;
}
m_objGLShaderArray.setSubsampleShift(m_subsampleShift);
m_objGLShaderArray.RenderPixels(m_chrLastData);
m_objMutex.unlock();

4
sdrgui/gui/tvscreen.h
View File

@ -46,10 +46,9 @@ public:
virtual ~TVScreen();
void setColor(bool blnColor);
void setExtraColumns(bool blnExtraColumns);
void resizeTVScreen(int intCols, int intRows);
void getSize(int& intCols, int& intRows) const;
void renderImage(unsigned char * objData, float subsampleShift = 0.0);
void renderImage(unsigned char * objData);
QRgb* getRowBuffer(int intRow);
void resetImage();
void resetImage(int alpha);
@ -74,7 +73,6 @@ private:
bool m_blnGLContextInitialized;
int m_intAskedCols;
int m_intAskedRows;
float m_subsampleShift;
// state

246
sdrgui/gui/tvscreenanalog.cpp Normal file
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@ -0,0 +1,246 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 Vort //
// Copyright (C) 2018 F4HKW //
// for F4EXB / SDRAngel //
// //
// OpenGL interface modernization. //
// //
// 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 "tvscreenanalog.h"
static const char* vertexShaderSource =
"attribute highp vec4 vertex;\n"
"attribute highp vec2 texCoord;\n"
"varying highp vec2 texCoordVar;\n"
"void main() {\n"
" gl_Position = vertex;\n"
" texCoordVar = texCoord;\n"
"}\n";
static const char* fragmentShaderSource =
"uniform highp sampler2D uTexture1;\n"
"uniform highp sampler2D uTexture2;\n"
"uniform highp float imw;\n"
"uniform highp float imh;\n"
"uniform highp float tlw;\n"
"uniform highp float tlh;\n"
"varying highp vec2 texCoordVar;\n"
"void main() {\n"
" float tlhw = 0.5 * tlw;"
" float tlhh = 0.5 * tlh;"
" float tys = (texCoordVar.y + tlhh) * imh;\n"
" float p1y = floor(tys) * tlh - tlhh;\n"
" float p3y = p1y + tlh;\n"
" float tshift1 = texture2D(uTexture2, vec2(0.0, p1y)).r;\n"
" float tshift3 = texture2D(uTexture2, vec2(0.0, p3y)).r;\n"
" float shift1 = (1.0 - tshift1 * 2.0) * tlw;\n"
" float shift3 = (1.0 - tshift3 * 2.0) * tlw;\n"
" float txs1 = (texCoordVar.x + shift1 + tlhw) * imw;\n"
" float txs3 = (texCoordVar.x + shift3 + tlhw) * imw;\n"
" float p1x = floor(txs1) * tlw - tlhw;\n"
" float p3x = floor(txs3) * tlw - tlhw;\n"
" float p2x = p1x + tlw;\n"
" float p4x = p3x + tlw;\n"
" float p1 = texture2D(uTexture1, vec2(p1x, p1y)).r;\n"
" float p2 = texture2D(uTexture1, vec2(p2x, p1y)).r;\n"
" float p3 = texture2D(uTexture1, vec2(p3x, p3y)).r;\n"
" float p4 = texture2D(uTexture1, vec2(p4x, p3y)).r;\n"
" float p12 = mix(p1, p2, fract(txs1));\n"
" float p34 = mix(p3, p4, fract(txs3));\n"
" float p = mix(p12, p34, fract(tys));\n"
" gl_FragColor = vec4(p);\n"
"}\n";
TVScreenAnalog::TVScreenAnalog(QWidget *parent)
: QGLWidget(parent)
{
m_objCurrentRow = nullptr;
m_isDataChanged = false;
m_time = 0.0f;
m_cols = 1;
m_rows = 1;
connect(&m_objTimer, SIGNAL(timeout()), this, SLOT(tick()));
m_objTimer.start(40); // capped at 25 FPS
}
void TVScreenAnalog::cleanup()
{
m_shader = nullptr;
m_imageTexture = nullptr;
m_objCurrentRow = nullptr;
m_lineShiftsTexture = nullptr;
}
void TVScreenAnalog::resizeTVScreen(int intCols, int intRows)
{
qDebug("TVScreen::resizeTVScreen: cols: %d, rows: %d", intCols, intRows);
m_cols = intCols + 4;
m_rows = intRows;
}
void TVScreenAnalog::resizeGL(int intWidth, int intHeight)
{
glViewport(0, 0, intWidth, intHeight);
}
void TVScreenAnalog::initializeGL()
{
m_objMutex.lock();
initializeOpenGLFunctions();
m_shader = std::make_shared<QOpenGLShaderProgram>(this);
m_shader->addShaderFromSourceCode(QOpenGLShader::Fragment, fragmentShaderSource);
m_shader->addShaderFromSourceCode(QOpenGLShader::Vertex, vertexShaderSource);
m_shader->link();
m_vertexAttribIndex = m_shader->attributeLocation("vertex");
m_texCoordAttribIndex = m_shader->attributeLocation("texCoord");
m_objTextureLoc1 = m_shader->uniformLocation("uTexture1");
m_objTextureLoc2 = m_shader->uniformLocation("uTexture2");
m_objImageWidthLoc = m_shader->uniformLocation("imw");
m_objImageHeightLoc = m_shader->uniformLocation("imh");
m_objTexelWidthLoc = m_shader->uniformLocation("tlw");
m_objTexelHeightLoc = m_shader->uniformLocation("tlh");
initializeTextures();
connect(QOpenGLContext::currentContext(), &QOpenGLContext::aboutToBeDestroyed,
this, &TVScreenAnalog::cleanup); // TODO: when migrating to QOpenGLWidget
m_objMutex.unlock();
}
void TVScreenAnalog::initializeTextures()
{
m_image = std::make_shared<QImage>(m_cols, m_rows, QImage::Format_ARGB32);
m_lineShifts = std::make_shared<QImage>(1, m_rows, QImage::Format_ARGB32);
m_image->fill(0);
m_lineShifts->fill(127);
m_imageTexture = std::make_shared<QOpenGLTexture>(*m_image, QOpenGLTexture::DontGenerateMipMaps);
m_lineShiftsTexture = std::make_shared<QOpenGLTexture>(*m_lineShifts, QOpenGLTexture::DontGenerateMipMaps);
m_imageTexture->setMinificationFilter(QOpenGLTexture::Nearest);
m_imageTexture->setMagnificationFilter(QOpenGLTexture::Nearest);
m_lineShiftsTexture->setMinificationFilter(QOpenGLTexture::Nearest);
m_lineShiftsTexture->setMagnificationFilter(QOpenGLTexture::Nearest);
m_imageTexture->setWrapMode(QOpenGLTexture::DirectionS, QOpenGLTexture::ClampToBorder);
m_imageTexture->setWrapMode(QOpenGLTexture::DirectionT, QOpenGLTexture::ClampToEdge);
m_lineShiftsTexture->setWrapMode(QOpenGLTexture::DirectionS, QOpenGLTexture::Repeat);
m_lineShiftsTexture->setWrapMode(QOpenGLTexture::DirectionT, QOpenGLTexture::ClampToEdge);
}
void TVScreenAnalog::renderImage()
{
m_isDataChanged = true;
}
void TVScreenAnalog::tick()
{
if (m_isDataChanged) {
update();
}
}
void TVScreenAnalog::selectRow(int intLine, float shift)
{
if (!m_image || m_image->height() != m_rows)
return;
if ((intLine < m_rows) && (intLine >= 0))
{
m_objCurrentRow = (int*)m_image->scanLine(intLine);
m_lineShifts->setPixel(0, intLine, (1.0f + shift) * 127.5f);
}
else
{
m_objCurrentRow = nullptr;
}
}
void TVScreenAnalog::setDataColor(int intCol, int objColor)
{
if ((intCol < m_cols - 2) &&
(intCol >= -2) &&
(m_objCurrentRow != nullptr))
{
m_objCurrentRow[intCol + 2] = objColor;
}
}
void TVScreenAnalog::paintGL()
{
if (!m_objMutex.tryLock(2))
return;
m_isDataChanged = false;
if (m_image->width() != m_cols || m_image->height() != m_rows)
initializeTextures();
float imageWidth = m_image->width();
float imageHeight = m_image->height();
float texelWidth = 1.0f / imageWidth;
float texelHeight = 1.0f / imageHeight;
m_shader->bind();
m_shader->setUniformValue(m_objTextureLoc1, 0);
m_shader->setUniformValue(m_objTextureLoc2, 1);
m_shader->setUniformValue(m_objImageWidthLoc, imageWidth);
m_shader->setUniformValue(m_objImageHeightLoc, imageHeight);
m_shader->setUniformValue(m_objTexelWidthLoc, texelWidth);
m_shader->setUniformValue(m_objTexelHeightLoc, texelHeight);
glActiveTexture(GL_TEXTURE0);
m_imageTexture->bind();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0,
m_image->width(), m_image->height(), GL_RGBA, GL_UNSIGNED_BYTE, m_image->constScanLine(0));
glActiveTexture(GL_TEXTURE1);
m_lineShiftsTexture->bind();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0,
1, m_image->height(), GL_RGBA, GL_UNSIGNED_BYTE, m_lineShifts->constScanLine(0));
float rectHalfWidth = 1.0f + 4 * texelWidth;
GLfloat vertices[] =
{
-rectHalfWidth, -1.0f,
-rectHalfWidth, 1.0f,
rectHalfWidth, 1.0f,
rectHalfWidth, -1.0f
};
static const GLfloat arrTextureCoords[] =
{
0.0f, 1.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f
};
glVertexAttribPointer(m_vertexAttribIndex, 2, GL_FLOAT, GL_FALSE, 0, vertices);
glEnableVertexAttribArray(m_vertexAttribIndex);
glVertexAttribPointer(m_texCoordAttribIndex, 2, GL_FLOAT, GL_FALSE, 0, arrTextureCoords);
glEnableVertexAttribArray(m_texCoordAttribIndex);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableVertexAttribArray(m_vertexAttribIndex);
glDisableVertexAttribArray(m_texCoordAttribIndex);
m_shader->release();
m_objMutex.unlock();
}

88
sdrgui/gui/tvscreenanalog.h Normal file
View File

@ -0,0 +1,88 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 Vort //
// Copyright (C) 2018 F4HKW //
// for F4EXB / SDRAngel //
// //
// OpenGL interface modernization. //
// See: http://doc.qt.io/qt-5/qopenglshaderprogram.html //
// //
// 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 INCLUDE_TVSCREENANALOG_H
#define INCLUDE_TVSCREENANALOG_H
#include "export.h"
#include <memory>
#include <QImage>
#include <QMutex>
#include <QTimer>
#include <QGLWidget>
#include <QOpenGLTexture>
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
class SDRGUI_API TVScreenAnalog : public QGLWidget, protected QOpenGLFunctions
{
Q_OBJECT
QTimer m_objTimer;
QMutex m_objMutex;
bool m_isDataChanged;
int m_objTextureLoc1;
int m_objTextureLoc2;
int m_objImageWidthLoc;
int m_objImageHeightLoc;
int m_objTexelWidthLoc;
int m_objTexelHeightLoc;
int m_vertexAttribIndex;
int m_texCoordAttribIndex;
std::shared_ptr<QOpenGLShaderProgram> m_shader;
float m_time;
int m_cols;
int m_rows;
int* m_objCurrentRow;
std::shared_ptr<QImage> m_image;
std::shared_ptr<QImage> m_lineShifts;
std::shared_ptr<QOpenGLTexture> m_imageTexture;
std::shared_ptr<QOpenGLTexture> m_lineShiftsTexture;
public:
TVScreenAnalog(QWidget *parent);
void resizeTVScreen(int intCols, int intRows);
void selectRow(int intLine, float shift);
void setDataColor(int intCol, int objColor);
void renderImage();
private:
void initializeTextures();
void initializeGL() override;
void paintGL() override;
void resizeGL(int width, int height);
private slots:
void cleanup();
void tick();
};
#endif // INCLUDE_TVSCREENANALOG_H