ffts

include-gpl/dsp/dspengine.h

@@ -84,7 +84,7 @@ private:
 	typedef std::list<SampleSink*> SampleSinks;
 	SampleSinks m_sampleSinks;
 
-	AudioOutput m_audioOutput;
+	//AudioOutput m_audioOutput;
 
 	uint m_sampleRate;
 	quint64 m_centerFrequency;

include-gpl/dsp/fftsengine.h

@@ -0,0 +1,29 @@
+#ifndef INCLUDE_FFTSEngine_H
+#define INCLUDE_FFTSEngine_H
+
+#include <QMutex>
+#include <ffts/ffts.h>
+#include <list>
+#include "dsp/fftengine.h"
+
+class FFTSEngine : public FFTEngine {
+public:
+    FFTSEngine();
+    ~FFTSEngine();
+
+	void configure(int n, bool inverse);
+	void transform();
+
+	Complex* in();
+	Complex* out();
+
+protected:
+    void allocate(int n);
+    ffts_plan_t* m_currentplan;
+    void *imem;
+    void *iptr;
+    void *omem;
+    void *optr;
+};
+
+#endif // INCLUDE_FFTSEngine_H

include-gpl/dsp/interpolator.h

@@ -1,7 +1,9 @@
 #ifndef INCLUDE_INTERPOLATOR_H
 #define INCLUDE_INTERPOLATOR_H
 
+#if 0
 #include <immintrin.h>
+#endif
 #include "dsp/dsptypes.h"
 #include "util/export.h"
 #include <stdio.h>
@@ -55,7 +57,7 @@ private:
 
 	void doInterpolate(int phase, Complex* result)
 	{
-#if 1
+#if 0
 		// beware of the ringbuffer
 		if(m_ptr == 0) {
 			// only one straight block

include-gpl/gui/glspectrum.h

@@ -21,6 +21,7 @@
 #include <QGLWidget>
 #include <QTimer>
 #include <QMutex>
+#include <QtOpenGL/qglshaderprogram.h>
 #include "dsp/dsptypes.h"
 #include "gui/scaleengine.h"
 #include "dsp/channelmarker.h"
@@ -131,12 +132,19 @@ private:
 
 	bool m_displayChanged;
 
+	QGLShaderProgram shaderprog;
+	int vertexAtt;
+	int texcoordAtt;
+	int matrixUni;
+	int texUni;
+
 	void updateWaterfall(const std::vector<Real>& spectrum);
 	void updateHistogram(const std::vector<Real>& spectrum);
 
 	void initializeGL();
 	void resizeGL(int width, int height);
 	void paintGL();
+	void GLtexBox();
 
 	void stopDrag();
 	void applyChanges();

include/util/glmath.h

@@ -0,0 +1,7 @@
+void initeglcompat();
+void glPushMatrix();
+void glPopMatrix();
+void glScalef(float x, float y, float z);
+void glTranslatef(float x, float y, float z);
+
+QMatrix4x4 getMV();

plugins/samplesource/rtlsdr/rtlsdrgui.cpp

@@ -1,6 +1,6 @@
 #include "rtlsdrgui.h"
 #include "ui_rtlsdrgui.h"
-#include "plugin/pluginapi.h"
+#include <plugin/pluginapi.h>
 
 RTLSDRGui::RTLSDRGui(PluginAPI* pluginAPI, QWidget* parent) :
 	QWidget(parent),

plugins/samplesource/rtlsdr/rtlsdrinput.cpp

@@ -34,7 +34,7 @@ RTLSDRInput::Settings::Settings() :
 void RTLSDRInput::Settings::resetToDefaults()
 {
 	m_gain = 0;
-	m_decimation = 0;
+	m_decimation = 2;
 }
 
 QByteArray RTLSDRInput::Settings::serialize() const
@@ -111,7 +111,7 @@ bool RTLSDRInput::startInput(int device)
 	qDebug("RTLSDRInput open: %s %s, SN: %s", vendor, product, serial);
 	m_deviceDescription = QString("%1 (SN %2)").arg(product).arg(serial);
 
-	if((res = rtlsdr_set_sample_rate(m_dev, 2000000)) < 0) {
+	if((res = rtlsdr_set_sample_rate(m_dev, 1000000)) < 0) {
 		qCritical("could not set sample rate: %s", strerror(errno));
 		goto failed;
 	}
@@ -182,7 +182,7 @@ const QString& RTLSDRInput::getDeviceDescription() const
 
 int RTLSDRInput::getSampleRate() const
 {
-	return 2000000 / (1 << m_settings.m_decimation);
+	return 1000000 / (1 << m_settings.m_decimation);
 }
 
 quint64 RTLSDRInput::getCenterFrequency() const

sdrbase/dsp/dspengine.cpp

@@ -325,7 +325,7 @@ DSPEngine::State DSPEngine::gotoIdle()
 		(*it)->stop();
 	m_sampleSource->stopInput();
 	m_deviceDescription.clear();
-	m_audioOutput.stop();
+	//m_audioOutput.stop();
 	m_sampleRate = 0;
 
 	return StIdle;
@@ -357,7 +357,7 @@ DSPEngine::State DSPEngine::gotoRunning()
 		return gotoError("Could not start sample source");
 	m_deviceDescription = m_sampleSource->getDeviceDescription();
 
-	m_audioOutput.start(0, 44100);
+	//m_audioOutput.start(0, 44100);
 	for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++)
 		(*it)->start();
 	m_sampleRate = 0; // make sure, report is sent
@@ -489,10 +489,10 @@ void DSPEngine::handleMessages()
 			m_sampleSinks.remove(sink);
 			message->completed();
 		} else if(DSPAddAudioSource::match(message)) {
-			m_audioOutput.addFifo(((DSPAddAudioSource*)message)->getAudioFifo());
+			//m_audioOutput.addFifo(((DSPAddAudioSource*)message)->getAudioFifo());
 			message->completed();
 		} else if(DSPRemoveAudioSource::match(message)) {
-			m_audioOutput.removeFifo(((DSPAddAudioSource*)message)->getAudioFifo());
+			//m_audioOutput.removeFifo(((DSPAddAudioSource*)message)->getAudioFifo());
 			message->completed();
 		} else if(DSPConfigureCorrection::match(message)) {
 			DSPConfigureCorrection* conf = (DSPConfigureCorrection*)message;

sdrbase/dsp/fftengine.cpp

@@ -5,6 +5,9 @@
 #ifdef USE_FFTW
 #include "dsp/fftwengine.h"
 #endif // USE_FFTW
+#ifdef USE_FFTS
+#include "dsp/fftsengine.h"
+#endif // USE_FFTS
 
 FFTEngine::~FFTEngine()
 {
@@ -20,7 +23,10 @@ FFTEngine* FFTEngine::create()
 	qDebug("FFT: using KissFFT engine");
 	return new KissEngine;
 #endif // USE_KISSFFT
-
+#ifdef USE_FFTS
+    qDebug("FFT: using FFTS engine");
+    return new FFTSEngine;
+#endif // USE_FFTS
 	qCritical("FFT: no engine built");
 	return NULL;
 }

sdrbase/dsp/fftsengine.cpp

@@ -0,0 +1,46 @@
+#include <QTime>
+#include "dsp/fftsengine.h"
+
+FFTSEngine::FFTSEngine() :
+    m_currentplan(ffts_init_1d(1024, 1))
+{
+    allocate(4096);
+}
+
+FFTSEngine::~FFTSEngine()
+{
+    ffts_free(m_currentplan);
+    free(imem);
+    free(omem);
+}
+
+void FFTSEngine::allocate(int n)
+{
+    imem = malloc(n*4*2+15);
+    iptr = (void*)(((unsigned long)imem+15) & (unsigned long)(~ 0x0F));
+    omem = malloc(n*4*2+15);
+    optr = (void*)(((unsigned long)omem+15) & (unsigned long)(~ 0x0F));
+}
+
+void FFTSEngine::configure(int n, bool inverse)
+{
+    ffts_free(m_currentplan);
+    m_currentplan = ffts_init_1d(n, 1);
+}
+
+void FFTSEngine::transform()
+{
+    ffts_execute(m_currentplan, iptr, optr);
+}
+
+
+Complex* FFTSEngine::in()
+{
+    return reinterpret_cast<Complex*>(iptr);
+}
+
+Complex* FFTSEngine::out()
+{
+    return reinterpret_cast<Complex*>(optr);
+}
+

sdrbase/dsp/spectrumvis.cpp

@@ -5,12 +5,11 @@
 
 #define MAX_FFT_SIZE 4096
 
-#ifdef _WIN32
-double log2f(double n)
+inline float log2f(float f)
 {
-	return log(n) / log(2.0);
+   return logf(f) * (float) (1.0 / M_LN2);
 }
-#endif
+
 
 SpectrumVis::SpectrumVis(GLSpectrum* glSpectrum) :
 	SampleSink(),

sdrbase/gui/glscope.cpp

@@ -3,12 +3,13 @@
 #include "gui/glscope.h"
 #include "dsp/dspengine.h"
 
-#ifdef _WIN32
-static double log2f(double n)
+
+
+inline float log2f(float f)
 {
-	return log(n) / log(2.0);
+   return logf(f) * (float) (1.0 / M_LN2);
 }
-#endif
+
 
 GLScope::GLScope(QWidget* parent) :
 	QGLWidget(parent),
@@ -110,6 +111,7 @@ void GLScope::resizeGL(int width, int height)
 
 void GLScope::paintGL()
 {
+#if 0
 	if(!m_mutex.tryLock(2))
 		return;
 
@@ -172,7 +174,7 @@ void GLScope::paintGL()
 		glScalef(m_glScopeRect1.width(), -(m_glScopeRect1.height() / 2) * m_amp1, 1);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glEnable(GL_LINE_SMOOTH);
+		//glEnable(GL_LINE_SMOOTH);
 		glLineWidth(1.0f);
 		glColor4f(0, 1, 0, 0.3f);
 		glBegin(GL_LINE_LOOP);
@@ -184,7 +186,7 @@ void GLScope::paintGL()
 		glVertex2f(0, m_triggerLevelLow);
 		glVertex2f(1, m_triggerLevelLow);
 		glEnd();
-		glDisable(GL_LINE_SMOOTH);
+		//glDisable(GL_LINE_SMOOTH);
 		glPopMatrix();
 	}
 
@@ -194,7 +196,7 @@ void GLScope::paintGL()
 		glScalef(m_glScopeRect1.width() * (float)m_timeBase / (float)(m_displayTrace->size() - 1), -(m_glScopeRect1.height() / 2) * m_amp1, 1);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glEnable(GL_LINE_SMOOTH);
+		//glEnable(GL_LINE_SMOOTH);
 		glLineWidth(1.0f);
 		glColor4f(1, 1, 0, 0.4f);
 		int start = m_timeOfsProMill * (m_displayTrace->size() - (m_displayTrace->size() / m_timeBase)) / 1000;
@@ -213,7 +215,7 @@ void GLScope::paintGL()
 			glVertex2f(i - start, v);
 		}
 		glEnd();
-		glDisable(GL_LINE_SMOOTH);
+		//glDisable(GL_LINE_SMOOTH);
 		glPopMatrix();
 	}
 
@@ -259,7 +261,7 @@ void GLScope::paintGL()
 		glScalef(m_glScopeRect2.width(), -(m_glScopeRect2.height() / 2) * m_amp2, 1);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glEnable(GL_LINE_SMOOTH);
+		//glEnable(GL_LINE_SMOOTH);
 		glLineWidth(1.0f);
 		glColor4f(0, 1, 0, 0.3f);
 		glBegin(GL_LINE_LOOP);
@@ -271,7 +273,7 @@ void GLScope::paintGL()
 		glVertex2f(0, m_triggerLevelLow);
 		glVertex2f(1, m_triggerLevelLow);
 		glEnd();
-		glDisable(GL_LINE_SMOOTH);
+		//glDisable(GL_LINE_SMOOTH);
 		glPopMatrix();
 	}
 
@@ -281,7 +283,7 @@ void GLScope::paintGL()
 		glScalef(m_glScopeRect2.width() * (float)m_timeBase / (float)(m_displayTrace->size() - 1), -(m_glScopeRect2.height() / 2) * m_amp2, 1);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glEnable(GL_LINE_SMOOTH);
+		//glEnable(GL_LINE_SMOOTH);
 		glLineWidth(1.0f);
 		glColor4f(1, 1, 0, 0.4f);
 		int start = m_timeOfsProMill * (m_displayTrace->size() - (m_displayTrace->size() / m_timeBase)) / 1000;
@@ -300,13 +302,14 @@ void GLScope::paintGL()
 			glVertex2f(i - start, v);
 		}
 		glEnd();
-		glDisable(GL_LINE_SMOOTH);
+		//glDisable(GL_LINE_SMOOTH);
 		glPopMatrix();
 	}
 
 	glPopMatrix();
 	m_dataChanged = false;
 	m_mutex.unlock();
+#endif
 }
 
 void GLScope::mousePressEvent(QMouseEvent* event)

sdrbase/gui/glspectrum.cpp

@@ -15,9 +15,12 @@
 // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 ///////////////////////////////////////////////////////////////////////////////////
 
+#if 0
 #include <immintrin.h>
+#endif
 #include <QMouseEvent>
 #include "gui/glspectrum.h"
+#include "util/glmath.h"
 
 GLSpectrum::GLSpectrum(QWidget* parent) :
 	QGLWidget(parent),
@@ -315,7 +318,7 @@ void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
 		m_histogramHoldoffCount = m_histogramHoldoffBase;
 	}
 
-//#define NO_AVX
+#define NO_AVX
 #ifdef NO_AVX
 	for(int i = 0; i < m_fftSize; i++) {
 		int v = (int)((spectrum[i] - m_referenceLevel) * 100.0 / m_powerRange + 100.0);
@@ -398,7 +401,46 @@ void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
 
 void GLSpectrum::initializeGL()
 {
-	 glDisable(GL_DEPTH_TEST);
+	initeglcompat();
+	glDisable(GL_DEPTH_TEST);
+
+	QGLShader *vshader = new QGLShader(QGLShader::Vertex);
+	QGLShader *fshader = new QGLShader(QGLShader::Fragment);
+
+	const char *vsrc =
+		"attribute highp vec4 vertex;\n"
+		"attribute highp vec4 texCoord;\n"
+		"uniform mediump mat4 mvmatrix;\n"
+		"varying highp vec4 texc;\n"
+		"void main(void)\n"
+		"{\n"
+		"	gl_Position = mvmatrix * vertex;\n"
+		"	texc = texCoord;\n"
+		"}\n";
+
+	const char *fsrc =
+		"varying highp vec4 texc;\n"
+		"uniform sampler2D tex;\n"
+		"void main(void)\n"
+		"{\n"
+		"	gl_FragColor = texture2D(tex, texc.st);\n"
+		"}\n";
+
+	vshader->compileSourceCode(vsrc);
+	fshader->compileSourceCode(fsrc);
+
+	shaderprog.addShader(vshader);
+	shaderprog.addShader(fshader);
+	shaderprog.link();
+
+	vertexAtt = shaderprog.attributeLocation("vertex");
+	texcoordAtt = shaderprog.attributeLocation("texCoord");
+	matrixUni = shaderprog.uniformLocation("mvmatrix");
+	texUni = shaderprog.uniformLocation("tex");
+
+	//init base matrix here
+	glScalef(2.0, -2.0, 1.0);
+	glTranslatef(-0.50, -0.5, 0);
 }
 
 void GLSpectrum::resizeGL(int width, int height)
@@ -408,6 +450,24 @@ void GLSpectrum::resizeGL(int width, int height)
 	m_changesPending = true;
 }
 
+void GLSpectrum::GLtexBox(){
+			GLfloat vertices[] = {0,0,0,	1,0,0,	0,1,0,	1,1,0};
+			GLfloat texcoords[] = {0, 0,	1, 0,	0, 1,	1, 1};
+
+			shaderprog.setUniformValue(matrixUni, getMV());
+			shaderprog.setUniformValue(texUni, 0);
+			shaderprog.setAttributeArray(vertexAtt, vertices, 3);
+			shaderprog.setAttributeArray(texcoordAtt, texcoords, 2);
+
+			shaderprog.enableAttributeArray(vertexAtt);
+			shaderprog.enableAttributeArray(texcoordAtt);
+
+			glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+			shaderprog.disableAttributeArray(vertexAtt);
+			shaderprog.disableAttributeArray(texcoordAtt);
+}
+
 void GLSpectrum::paintGL()
 {
 	if(!m_mutex.tryLock(2))
@@ -421,13 +481,11 @@ void GLSpectrum::paintGL()
 		return;
 	}
 
-	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 	glClear(GL_COLOR_BUFFER_BIT);
 
-	glPushMatrix();
-	glScalef(2.0, -2.0, 1.0);
-	glTranslatef(-0.50, -0.5, 0);
-
+	shaderprog.bind();
+#if 1
 	// paint waterfall
 	if(m_displayWaterfall) {
 		glPushMatrix();
@@ -438,7 +496,7 @@ void GLSpectrum::paintGL()
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+//		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 		for(int i = 0; i < m_waterfallBufferPos; i++) {
 			glTexSubImage2D(GL_TEXTURE_2D, 0, 0, m_waterfallTexturePos, m_fftSize, 1, GL_RGBA, GL_UNSIGNED_BYTE, m_waterfallBuffer->scanLine(i));
 			m_waterfallTexturePos = (m_waterfallTexturePos + 1) % m_waterfallTextureHeight;
@@ -446,58 +504,28 @@ void GLSpectrum::paintGL()
 		m_waterfallBufferPos = 0;
 		float prop_y = m_waterfallTexturePos / (m_waterfallTextureHeight - 1.0);
 		float off = 1.0 / (m_waterfallTextureHeight - 1.0);
-		glEnable(GL_TEXTURE_2D);
-		glBegin(GL_QUADS);
-		glTexCoord2f(0, prop_y + 1 - off);
-		glVertex2f(0, m_invertedWaterfall ? 0 : 1);
-		glTexCoord2f(1, prop_y + 1 - off);
-		glVertex2f(1, m_invertedWaterfall ? 0 : 1);
-		glTexCoord2f(1, prop_y);
-		glVertex2f(1, m_invertedWaterfall ? 1 : 0);
-		glTexCoord2f(0, prop_y);
-		glVertex2f(0, m_invertedWaterfall ? 1 : 0);
-		glEnd();
-		glDisable(GL_TEXTURE_2D);
 
-		// paint channels
-		if(m_mouseInside) {
-			for(int i = 0; i < m_channelMarkerStates.size(); ++i) {
-				ChannelMarkerState* dv = m_channelMarkerStates[i];
-				if(dv->m_channelMarker->getVisible()) {
-					glEnable(GL_BLEND);
-					glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-					glColor4f(dv->m_channelMarker->getColor().redF(), dv->m_channelMarker->getColor().greenF(), dv->m_channelMarker->getColor().blueF(), 0.3f);
-					glPushMatrix();
-					glTranslatef(dv->m_glRect.x(), dv->m_glRect.y(), 0);
-					glScalef(dv->m_glRect.width(), dv->m_glRect.height(), 1);
-					glBegin(GL_QUADS);
-					glVertex2f(0, 0);
-					glVertex2f(1, 0);
-					glVertex2f(1, 1);
-					glVertex2f(0, 1);
-					glEnd();
-					glDisable(GL_BLEND);
-					glPopMatrix();
-				}
-			}
-		}
+		GLfloat wavert1[] = {0,0,0,	1,0,0,	0,1,0,	1,1,0};
+		GLfloat wavert2[] = {0,1,0,	1,1,0,	0,0,0,	1,0,0};
+		GLfloat watexcoor[] = {	0, prop_y,	1, prop_y,	0, prop_y + 1 - off,	1, prop_y + 1 - off};
 
-		// draw rect around
-		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glLineWidth(1.0f);
-		glColor4f(1, 1, 1, 0.5);
-		glBegin(GL_LINE_LOOP);
-		glVertex2f(1, 1);
-		glVertex2f(0, 1);
-		glVertex2f(0, 0);
-		glVertex2f(1, 0);
-		glEnd();
-		glDisable(GL_BLEND);
+		shaderprog.setUniformValue(matrixUni, getMV());
+		shaderprog.setUniformValue(texUni, 0);
+		shaderprog.setAttributeArray(vertexAtt, m_invertedWaterfall ? wavert2 : wavert1, 3);
+		shaderprog.setAttributeArray(texcoordAtt, watexcoor, 2);
+
+		shaderprog.enableAttributeArray(vertexAtt);
+		shaderprog.enableAttributeArray(texcoordAtt);
+
+		glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+		shaderprog.disableAttributeArray(vertexAtt);
+		shaderprog.disableAttributeArray(texcoordAtt);
 
 		glPopMatrix();
 	}
-
+#endif
+#if 1
 	// paint histogram
 	if(m_displayHistogram || m_displayMaxHold) {
 		glPushMatrix();
@@ -522,100 +550,40 @@ void GLSpectrum::paintGL()
 			glBindTexture(GL_TEXTURE_2D, m_histogramTexture);
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
-			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+			//glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 			glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_fftSize, 100, GL_RGBA, GL_UNSIGNED_BYTE, m_histogramBuffer->scanLine(0));
-			glEnable(GL_TEXTURE_2D);
-			glBegin(GL_QUADS);
-			glTexCoord2f(0, 0);
-			glVertex2f(0, 0);
-			glTexCoord2f(1, 0);
-			glVertex2f(1, 0);
-			glTexCoord2f(1, 1);
-			glVertex2f(1, 1);
-			glTexCoord2f(0, 1);
-			glVertex2f(0, 1);
-			glEnd();
-			glDisable(GL_TEXTURE_2D);
-		}
 
-		// paint channels
-		if(m_mouseInside) {
-			for(int i = 0; i < m_channelMarkerStates.size(); ++i) {
-				ChannelMarkerState* dv = m_channelMarkerStates[i];
-				if(dv->m_channelMarker->getVisible()) {
-					glEnable(GL_BLEND);
-					glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-					glColor4f(dv->m_channelMarker->getColor().redF(), dv->m_channelMarker->getColor().greenF(), dv->m_channelMarker->getColor().blueF(), 0.3f);
-					glPushMatrix();
-					glTranslatef(dv->m_glRect.x(), dv->m_glRect.y(), 0);
-					glScalef(dv->m_glRect.width(), dv->m_glRect.height(), 1);
-					glBegin(GL_QUADS);
-					glVertex2f(0, 0);
-					glVertex2f(1, 0);
-					glVertex2f(1, 1);
-					glVertex2f(0, 1);
-					glEnd();
-					glDisable(GL_BLEND);
-					glColor3f(0.8f, 0.8f, 0.6f);
-					glBegin(GL_LINE_LOOP);
-					glVertex2f(0.5, 0);
-					glVertex2f(0.5, 1);
-					glEnd();
-					glPopMatrix();
-				}
-			}
+			GLtexBox();
 		}
-
-		// draw rect around
-		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glLineWidth(1.0f);
-		glColor4f(1, 1, 1, 0.5);
-		glBegin(GL_LINE_LOOP);
-		glVertex2f(1, 1);
-		glVertex2f(0, 1);
-		glVertex2f(0, 0);
-		glVertex2f(1, 0);
-		glEnd();
-		glDisable(GL_BLEND);
 		glPopMatrix();
 	}
-
+#endif
+#if 1
 	// paint left scales (time and power)
 	if(m_displayWaterfall || m_displayMaxHold || m_displayHistogram ) {
 		glBindTexture(GL_TEXTURE_2D, m_leftMarginTexture);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+		//glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 
 		glPushMatrix();
 		glTranslatef(m_glLeftScaleRect.x(), m_glLeftScaleRect.y(), 0);
 		glScalef(m_glLeftScaleRect.width(), m_glLeftScaleRect.height(), 1);
 
-		glEnable(GL_TEXTURE_2D);
-		glBegin(GL_QUADS);
-		glTexCoord2f(0, 1);
-		glVertex2f(0, 1);
-		glTexCoord2f(1, 1);
-		glVertex2f(1, 1);
-		glTexCoord2f(1, 0);
-		glVertex2f(1, 0);
-		glTexCoord2f(0, 0);
-		glVertex2f(0, 0);
-		glEnd();
-		glDisable(GL_TEXTURE_2D);
+		GLtexBox();
 		glPopMatrix();
 	}
-
+#endif
+#if 1
 	// paint frequency scale
 	if(m_displayWaterfall || m_displayMaxHold || m_displayHistogram ) {
 		glBindTexture(GL_TEXTURE_2D, m_frequencyTexture);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+		//glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
@@ -623,177 +591,12 @@ void GLSpectrum::paintGL()
 		glTranslatef(m_glFrequencyScaleRect.x(), m_glFrequencyScaleRect.y(), 0);
 		glScalef(m_glFrequencyScaleRect.width(), m_glFrequencyScaleRect.height(), 1);
 
-		glEnable(GL_TEXTURE_2D);
-		glBegin(GL_QUADS);
-		glTexCoord2f(0, 1);
-		glVertex2f(0, 1);
-		glTexCoord2f(1, 1);
-		glVertex2f(1, 1);
-		glTexCoord2f(1, 0);
-		glVertex2f(1, 0);
-		glTexCoord2f(0, 0);
-		glVertex2f(0, 0);
-		glEnd();
-		glDisable(GL_TEXTURE_2D);
-		glPopMatrix();
-
-		// paint channels
-		glPushMatrix();
-		glTranslatef(m_glWaterfallRect.x(), m_glFrequencyScaleRect.y(), 0);
-		glScalef(m_glWaterfallRect.width(), m_glFrequencyScaleRect.height(), 1);
-		for(int i = 0; i < m_channelMarkerStates.size(); ++i) {
-			ChannelMarkerState* dv = m_channelMarkerStates[i];
-			if(dv->m_channelMarker->getVisible()) {
-				glEnable(GL_BLEND);
-				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-				glColor4f(dv->m_channelMarker->getColor().redF(), dv->m_channelMarker->getColor().greenF(), dv->m_channelMarker->getColor().blueF(), 0.5f);
-				glPushMatrix();
-				glTranslatef(dv->m_glRect.x(), dv->m_glRect.y(), 0);
-				glScalef(dv->m_glRect.width(), dv->m_glRect.height(), 1);
-				glBegin(GL_QUADS);
-				glVertex2f(0, 0);
-				glVertex2f(1, 0);
-				glVertex2f(1, 1);
-				glVertex2f(0, 1);
-				glEnd();
-				glDisable(GL_BLEND);
-				glPopMatrix();
-			}
-		}
+		GLtexBox();
 		glPopMatrix();
+		glDisable(GL_BLEND);
 	}
-
-	// paint max hold lines on top of histogram
-	if(m_displayMaxHold) {
-		if(m_maxHold.size() < m_fftSize)
-			m_maxHold.resize(m_fftSize);
-		for(int i = 0; i < m_fftSize; i++) {
-			int j;
-			quint8* bs = m_histogram + i * 100;
-			for(j = 99; j > 1; j--) {
-				if(bs[j] > 0)
-					break;
-			}
-			// TODO: ((bs[j] * (float)j) + (bs[j + 1] * (float)(j + 1))) / (bs[j] +  bs[j + 1])
-			j = j - 99;
-			m_maxHold[i] = (j * m_powerRange) / 99.0 + m_referenceLevel;
-		}
-
-		glPushMatrix();
-		glTranslatef(m_glHistogramRect.x(), m_glHistogramRect.y(), 0);
-		glScalef(m_glHistogramRect.width() / (float)(m_fftSize - 1), -m_glHistogramRect.height() / m_powerRange, 1);
-		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glEnable(GL_LINE_SMOOTH);
-		glLineWidth(1.0f);
-		glColor3f(1, 0, 0);
-		Real bottom = -m_powerRange;
-		glBegin(GL_LINE_STRIP);
-		for(int i = 0; i < m_fftSize; i++) {
-			Real v = m_maxHold[i] - m_referenceLevel;
-			if(v > 0)
-				v = 0;
-			else if(v < bottom)
-				v = bottom;
-			glVertex2f(i, v);
-		}
-		glEnd();
-		glDisable(GL_LINE_SMOOTH);
-		glPopMatrix();
-	}
-
-	// paint waterfall grid
-	if(m_displayWaterfall && m_displayGrid) {
-		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glLineWidth(1.0f);
-		glColor4f(1, 1, 1, 0.05f);
-
-		glPushMatrix();
-		glTranslatef(m_glWaterfallRect.x(), m_glWaterfallRect.y(), 0);
-		glScalef(m_glWaterfallRect.width(), m_glWaterfallRect.height(), 1);
-
-		const ScaleEngine::TickList* tickList;
-		const ScaleEngine::Tick* tick;
-
-		tickList = &m_timeScale.getTickList();
-		for(int i= 0; i < tickList->count(); i++) {
-			tick = &(*tickList)[i];
-			if(tick->major) {
-				if(tick->textSize > 0) {
-					float y = tick->pos / m_timeScale.getSize();
-					glBegin(GL_LINE_LOOP);
-					glVertex2f(0, y);
-					glVertex2f(1, y);
-					glEnd();
-				}
-			}
-		}
-
-		tickList = &m_frequencyScale.getTickList();
-		for(int i= 0; i < tickList->count(); i++) {
-			tick = &(*tickList)[i];
-			if(tick->major) {
-				if(tick->textSize > 0) {
-					float x = tick->pos / m_frequencyScale.getSize();
-					glBegin(GL_LINE_LOOP);
-					glVertex2f(x, 0);
-					glVertex2f(x, 1);
-					glEnd();
-				}
-			}
-		}
-
-		glPopMatrix();
-	}
-
-	// paint histogram grid
-	if((m_displayHistogram || m_displayMaxHold) && (m_displayGrid)) {
-		glEnable(GL_BLEND);
-		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-		glLineWidth(1.0f);
-		glColor4f(1, 1, 1, 0.05f);
-
-		glPushMatrix();
-		glTranslatef(m_glHistogramRect.x(), m_glHistogramRect.y(), 0);
-		glScalef(m_glHistogramRect.width(), m_glHistogramRect.height(), 1);
-
-		const ScaleEngine::TickList* tickList;
-		const ScaleEngine::Tick* tick;
-
-		tickList = &m_powerScale.getTickList();
-		for(int i= 0; i < tickList->count(); i++) {
-			tick = &(*tickList)[i];
-			if(tick->major) {
-				if(tick->textSize > 0) {
-					float y = tick->pos / m_powerScale.getSize();
-					glBegin(GL_LINE_LOOP);
-					glVertex2f(0, y);
-					glVertex2f(1, y);
-					glEnd();
-				}
-			}
-		}
-
-		tickList = &m_frequencyScale.getTickList();
-		for(int i= 0; i < tickList->count(); i++) {
-			tick = &(*tickList)[i];
-			if(tick->major) {
-				if(tick->textSize > 0) {
-					float x = tick->pos / m_frequencyScale.getSize();
-					glBegin(GL_LINE_LOOP);
-					glVertex2f(x, 0);
-					glVertex2f(x, 1);
-					glEnd();
-				}
-			}
-		}
-
-		glPopMatrix();
-	}
-
-	glPopMatrix();
-
+#endif
+	shaderprog.release();
 	m_mutex.unlock();
 }
 

sdrbase/gui/glspectrumgui.cpp

@@ -17,7 +17,7 @@ GLSpectrumGUI::GLSpectrumGUI(QWidget* parent) :
 	m_refLevel(0),
 	m_powerRange(100),
 	m_decay(0),
-	m_displayWaterfall(false),
+    m_displayWaterfall(true),
 	m_invertedWaterfall(false),
 	m_displayMaxHold(true),
 	m_displayHistogram(true),
@@ -52,7 +52,7 @@ void GLSpectrumGUI::resetToDefaults()
 	m_refLevel = 0;
 	m_powerRange = 100;
 	m_decay = 0;
-	m_displayWaterfall = false;
+    m_displayWaterfall = true;
 	m_invertedWaterfall = false;
 	m_displayMaxHold = true;
 	m_displayHistogram = true;

sdrbase/gui/scopewindow.ui

@@ -109,10 +109,10 @@
          <property name="text">
           <string/>
          </property>
-         <property name="icon">
+         <!-- <property name="icon">
           <iconset resource="../resources/res.qrc">
            <normaloff>:/horizontal.png</normaloff>:/horizontal.png</iconset>
-         </property>
+         </property> -->
          <property name="iconSize">
           <size>
            <width>16</width>
@@ -135,10 +135,10 @@
          <property name="text">
           <string/>
          </property>
-         <property name="icon">
+         <!-- <property name="icon">
           <iconset resource="../resources/res.qrc">
            <normaloff>:/vertical.png</normaloff>:/vertical.png</iconset>
-         </property>
+         </property> -->
          <property name="iconSize">
           <size>
            <width>16</width>

sdrbase/mainwindow.cpp

@@ -64,30 +64,30 @@ MainWindow::MainWindow(QWidget* parent) :
 	removeDockWidget(ui->inputDock);
 	removeDockWidget(ui->processingDock);
 	removeDockWidget(ui->presetDock);
-	removeDockWidget(ui->channelDock);
-	addDockWidget(Qt::LeftDockWidgetArea, ui->inputDock);
-	addDockWidget(Qt::LeftDockWidgetArea, ui->processingDock);
-	addDockWidget(Qt::LeftDockWidgetArea, ui->presetDock);
-	addDockWidget(Qt::RightDockWidgetArea, ui->channelDock);
-	ui->inputDock->show();
-	ui->processingDock->show();
-	ui->presetDock->show();
-	ui->channelDock->show();
+//	removeDockWidget(ui->channelDock);
+    addDockWidget(Qt::LeftDockWidgetArea, ui->inputDock);
+    addDockWidget(Qt::LeftDockWidgetArea, ui->processingDock);
+//    addDockWidget(Qt::LeftDockWidgetArea, ui->presetDock);
+//	addDockWidget(Qt::RightDockWidgetArea, ui->channelDock);
+//    ui->inputDock->show();
+//    ui->processingDock->show();
+//    ui->presetDock->show();
+    //ui->channelDock->show();
 
 	ui->menu_Window->addAction(ui->inputDock->toggleViewAction());
 	ui->menu_Window->addAction(ui->processingDock->toggleViewAction());
-	ui->menu_Window->addAction(ui->presetDock->toggleViewAction());
-	ui->menu_Window->addAction(ui->channelDock->toggleViewAction());
+//	ui->menu_Window->addAction(ui->presetDock->toggleViewAction());
+    //ui->menu_Window->addAction(ui->channelDock->toggleViewAction());
 
 	connect(m_messageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleMessages()), Qt::QueuedConnection);
 
 	connect(&m_statusTimer, SIGNAL(timeout()), this, SLOT(updateStatus()));
 	m_statusTimer.start(500);
 
-	m_pluginManager->loadPlugins();
-	bool sampleSourceSignalsBlocked = ui->sampleSource->blockSignals(true);
-	m_pluginManager->fillSampleSourceSelector(ui->sampleSource);
-	ui->sampleSource->blockSignals(sampleSourceSignalsBlocked);
+    m_pluginManager->loadPlugins();
+    bool sampleSourceSignalsBlocked = ui->sampleSource->blockSignals(true);
+    m_pluginManager->fillSampleSourceSelector(ui->sampleSource);
+    ui->sampleSource->blockSignals(sampleSourceSignalsBlocked);
 
 	m_dspEngine->start();
 
@@ -98,12 +98,12 @@ MainWindow::MainWindow(QWidget* parent) :
 
 	loadSettings();
 
-	int sampleSourceIndex = m_pluginManager->selectSampleSource(m_settings.getCurrent()->getSource()); // select SampleSource from settings
-	if(sampleSourceIndex >= 0) {
-		bool sampleSourceSignalsBlocked = ui->sampleSource->blockSignals(true);
-		ui->sampleSource->setCurrentIndex(sampleSourceIndex);
-		ui->sampleSource->blockSignals(sampleSourceSignalsBlocked);
-	}
+    int sampleSourceIndex = m_pluginManager->selectSampleSource(m_settings.getCurrent()->getSource()); // select SampleSource from settings
+    if(sampleSourceIndex >= 0) {
+        bool sampleSourceSignalsBlocked = ui->sampleSource->blockSignals(true);
+        ui->sampleSource->setCurrentIndex(sampleSourceIndex);
+        ui->sampleSource->blockSignals(sampleSourceSignalsBlocked);
+    }
 
 	loadSettings(m_settings.getCurrent());
 
@@ -143,9 +143,9 @@ void MainWindow::addChannelCreateAction(QAction* action)
 
 void MainWindow::addChannelRollup(QWidget* widget)
 {
-	((ChannelWindow*)ui->channelDock->widget())->addRollupWidget(widget);
-	ui->channelDock->show();
-	ui->channelDock->raise();
+//	((ChannelWindow*)ui->channelDock->widget())->addRollupWidget(widget);
+//	ui->channelDock->show();
+//	ui->channelDock->raise();
 }
 
 void MainWindow::addViewAction(QAction* action)

sdrbase/mainwindow.ui

@@ -318,7 +318,7 @@
     </layout>
    </widget>
   </widget>
-  <widget class="QDockWidget" name="channelDock">
+  <!-- <widget class="QDockWidget" name="channelDock">
    <property name="windowTitle">
     <string>Channels</string>
    </property>
@@ -335,7 +335,7 @@
      </property>
     </layout>
    </widget>
-  </widget>
+  </widget> -->
   <action name="action_Exit">
    <property name="text">
     <string>E&amp;xit</string>
@@ -444,12 +444,12 @@
    <header>gui/glspectrumgui.h</header>
    <container>1</container>
   </customwidget>
-  <customwidget>
+<!--  <customwidget>
    <class>ChannelWindow</class>
    <extends>QWidget</extends>
    <header>gui/channelwindow.h</header>
    <container>1</container>
-  </customwidget>
+  </customwidget> -->
  </customwidgets>
  <tabstops>
   <tabstop>presetTree</tabstop>

sdrbase/plugin/pluginmanager.cpp

@@ -256,6 +256,9 @@ int PluginManager::selectSampleSource(const QString& source)
 void PluginManager::loadPlugins(const QDir& dir)
 {
 	QDir pluginsDir(dir);
+    QStringList filters;
+	filters << "libsdrange*.so" << "input*dll";
+    pluginsDir.setNameFilters(filters);
 	foreach(QString fileName, pluginsDir.entryList(QDir::Files)) {
 		QPluginLoader* loader = new QPluginLoader(pluginsDir.absoluteFilePath(fileName));
 		PluginInterface* plugin = qobject_cast<PluginInterface*>(loader->instance());

sdrbase/settings/preset.cpp

@@ -13,9 +13,9 @@ void Preset::resetToDefaults()
 	m_centerFrequency = 0;
 	m_spectrumConfig.clear();
 	m_scopeConfig.clear();
-	m_dcOffsetCorrection = true;
-	m_iqImbalanceCorrection = true;
-	m_showScope = true;
+	m_dcOffsetCorrection = false;
+	m_iqImbalanceCorrection = false;
+    m_showScope = false;
 	m_layout.clear();
 	m_spectrumConfig.clear();
 	m_channelConfigs.clear();

sdrbase/settings/settings.cpp

@@ -15,6 +15,7 @@ Settings::~Settings()
 
 void Settings::load()
 {
+#if 0
 	QSettings s;
 
 	m_preferences.deserialize(qUncompress(QByteArray::fromBase64(s.value("preferences").toByteArray())));
@@ -31,10 +32,12 @@ void Settings::load()
 			s.endGroup();
 		}
 	}
+#endif
 }
 
 void Settings::save() const
 {
+#if 0
 	QSettings s;
 
 	s.setValue("preferences", qCompress(m_preferences.serialize()).toBase64());
@@ -52,6 +55,7 @@ void Settings::save() const
 		s.setValue("data", qCompress(m_presets[i]->serialize()).toBase64());
 		s.endGroup();
 	}
+#endif
 }
 
 void Settings::resetToDefaults()

sdrbase/util/glmath.cpp

@@ -0,0 +1,32 @@
+#include <QGLWidget>
+#include <QMatrix4x4>
+#include <math.h>
+
+static QMatrix4x4 mv[20];
+static int pos=0;
+static std::vector<QMatrix4x4*> stack;
+
+void initeglcompat() {
+	mv[0].setToIdentity();
+};
+
+void glPushMatrix(){
+	pos++;
+	mv[pos] = mv[pos-1];
+}
+
+void glPopMatrix(){
+	if(pos >0){
+		pos--;
+	}
+}
+void glScalef(float x, float y, float z){
+	mv[pos].scale(x,y,z);
+}
+void glTranslatef(float x, float y, float z){
+	mv[pos].translate(x,y,z);
+}
+QMatrix4x4 getMV() {
+	return mv[pos];
+}
+