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-rw-r--r--src/ui/mainvisual.cpp628
1 files changed, 628 insertions, 0 deletions
diff --git a/src/ui/mainvisual.cpp b/src/ui/mainvisual.cpp
new file mode 100644
index 000000000..5bdcbf5cb
--- /dev/null
+++ b/src/ui/mainvisual.cpp
@@ -0,0 +1,628 @@
+/***************************************************************************
+ * Copyright (C) 2007 by Ilya Kotov *
+ * forkotov02@hotmail.ru *
+ * *
+ * 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; either version 2 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 for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#include <QTimer>
+#include <QSettings>
+#include <QPainter>
+#include <QMenu>
+#include <QActionGroup>
+
+#include <buffer.h>
+#include <constants.h>
+#include <output.h>
+#include <math.h>
+#include <stdlib.h>
+
+#include "skin.h"
+#include "fft.h"
+#include "inlines.h"
+#include "mainvisual.h"
+
+
+MainVisual *MainVisual::pointer = 0;
+
+MainVisual *MainVisual::getPointer()
+{
+ if ( !pointer )
+ qFatal ( "MainVisual: this object not created!" );
+ return pointer;
+}
+
+MainVisual::MainVisual (QWidget *parent)
+ : Visual (parent), m_vis (0), m_playing (FALSE)
+{
+ m_draw = TRUE;
+ m_skin = Skin::getPointer();
+ connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSettings()));
+ resize(75,20);
+ m_pixmap = QPixmap (75,20);
+ m_timer = new QTimer (this);
+ connect(m_timer, SIGNAL (timeout()), this, SLOT (timeout()));
+ m_nodes.clear();
+ createMenu();
+ readSettings();
+ pointer = this;
+}
+
+MainVisual::~MainVisual()
+{
+ QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
+ if (m_vis)
+ {
+ settings.setValue("Visualization/type",m_vis->name());
+ delete m_vis;
+ m_vis = 0;
+ }
+ else
+ settings.setValue("Visualization/type", "None");
+ settings.setValue("Visualization/rate", 1000/m_timer->interval());
+ while (!m_nodes.isEmpty())
+ delete m_nodes.takeFirst();
+}
+
+void MainVisual::setVisual (VisualBase *newvis)
+{
+ m_timer->stop();
+ if (m_vis)
+ delete m_vis;
+ m_vis = newvis;
+ if (m_vis)
+ m_timer->start();
+ else
+ {
+ m_pixmap.fill (Qt::transparent);
+ update();
+ }
+}
+
+void MainVisual::clear()
+{
+ while (!m_nodes.isEmpty())
+ delete m_nodes.takeFirst();
+ if (m_vis)
+ m_vis->clear();
+ update();
+}
+
+void MainVisual::add ( Buffer *b, unsigned long w, int c, int p )
+{
+ if (!m_timer->isActive () || !m_vis)
+ return;
+ long len = b->nbytes, cnt;
+ short *l = 0, *r = 0;
+
+ len /= c;
+ len /= ( p / 8 );
+ if ( len > 512 )
+ len = 512;
+ cnt = len;
+
+ if ( c == 2 )
+ {
+ l = new short[len];
+ r = new short[len];
+
+ if ( p == 8 )
+ stereo16_from_stereopcm8 ( l, r, b->data, cnt );
+ else if ( p == 16 )
+ stereo16_from_stereopcm16 ( l, r, ( short * ) b->data, cnt );
+ }
+ else if ( c == 1 )
+ {
+ l = new short[len];
+
+ if ( p == 8 )
+ mono16_from_monopcm8 ( l, b->data, cnt );
+ else if ( p == 16 )
+ mono16_from_monopcm16 ( l, ( short * ) b->data, cnt );
+ }
+ else
+ len = 0;
+
+ m_nodes.append ( new VisualNode ( l, r, len, w ) );
+}
+
+void MainVisual::timeout()
+{
+ VisualNode *node = 0;
+
+ if ( /*playing &&*/ output())
+ {
+ //output()->mutex()->lock ();
+ //long olat = output()->latency();
+ //long owrt = output()->written();
+ //output()->mutex()->unlock();
+
+ //long synctime = owrt < olat ? 0 : owrt - olat;
+
+ mutex()->lock ();
+ VisualNode *prev = 0;
+ while ((!m_nodes.isEmpty()))
+ {
+ node = m_nodes.first();
+ /*if ( node->offset > synctime )
+ break;*/
+
+ if ( prev )
+ delete prev;
+ m_nodes.removeFirst();
+
+ prev = node;
+
+ }
+ mutex()->unlock();
+ node = prev;
+ }
+
+ if (m_vis)
+ m_vis->process ( node );
+ delete node;
+
+ if ( m_vis )
+ {
+ if (m_draw)
+ drawBackGround();
+ m_draw = FALSE;
+ m_pixmap = m_bg;
+ QPainter p(&m_pixmap);
+ m_vis->draw (&p);
+ }
+ else
+ m_pixmap.fill("Red");
+ update();
+}
+
+void MainVisual::paintEvent ( QPaintEvent * )
+{
+ QPainter painter ( this );
+ painter.drawPixmap ( 0,0,m_pixmap );
+}
+
+void MainVisual::hideEvent ( QHideEvent *)
+{
+ m_timer->stop();
+}
+
+void MainVisual::showEvent ( QShowEvent *)
+{
+ if (m_vis)
+ m_timer->start();
+}
+
+void MainVisual::mousePressEvent (QMouseEvent *e)
+{
+ if (e->button() == Qt::RightButton)
+ m_menu->exec(e->globalPos());
+ else
+ {
+ if (!m_vis)
+ setVisual(new mainvisual::Analyzer);
+ else if (m_vis->name() == "Analyzer")
+ setVisual(new mainvisual::Scope);
+ else if (m_vis->name() == "Scope")
+ setVisual(0);
+
+ QString str = "Off";
+ if (m_vis)
+ str = m_vis->name();
+ foreach(QAction *act, m_visModeGroup->actions ())
+ if (str == act->data().toString())
+ {
+ act->setChecked(TRUE);
+ break;
+ }
+ }
+}
+
+void MainVisual::drawBackGround()
+{
+ m_bg = QPixmap (75,20);
+ QPainter painter(&m_bg);
+ for (int x = 0; x < 75; x += 2)
+ {
+ painter.setPen(m_skin->getVisColor(0));
+ painter.drawLine(x + 1, 0, x + 1, 20);
+ for (int y = 0; y < 20; y +=2)
+ {
+ painter.setPen(m_skin->getVisColor(0));
+ painter.drawPoint(x,y);
+ painter.setPen(m_skin->getVisColor(1));
+ painter.drawPoint(x,y + 1);
+ }
+ }
+}
+
+void MainVisual::updateSettings()
+{
+ drawBackGround();
+ m_pixmap = m_bg;
+ update();
+ QAction *act = m_fpsGroup->checkedAction ();
+ if (act)
+ m_timer->setInterval (1000/act->data().toInt());
+ else
+ m_timer->setInterval (40);
+
+ QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
+ act = m_peaksFalloffGroup->checkedAction ();
+ if (act)
+ settings.setValue("Visualization/peaks_falloff", act->data().toInt());
+ else
+ settings.setValue("Visualization/peaks_falloff", 3);
+
+ act = m_analyzerFalloffGroup->checkedAction ();
+ if (act)
+ settings.setValue("Visualization/analyzer_falloff", act->data().toInt());
+ else
+ settings.setValue("Visualization/analyzer_falloff", 3);
+
+ settings.setValue("Visualization/show_peaks", m_peaksAction->isChecked());
+
+ act = m_analyzerModeGroup->checkedAction();
+ if (act)
+ settings.setValue("Visualization/analyzer_mode", act->data().toInt());
+ else
+ settings.setValue("Visualization/analyzer_mode", 0);
+
+ act = m_analyzerTypeGroup->checkedAction();
+ if (act)
+ settings.setValue("Visualization/analyzer_type", act->data().toInt());
+ else
+ settings.setValue("Visualization/analyzer_type", 1);
+
+ act = m_visModeGroup->checkedAction ();
+ QString visName;
+ if (act)
+ visName = act->data().toString();
+ else
+ visName == "Off";
+
+ if (visName == "Analyzer")
+ setVisual(new mainvisual::Analyzer);
+ else if (visName == "Scope")
+ setVisual(new mainvisual::Scope);
+ else
+ setVisual(0);
+
+}
+
+void MainVisual::createMenu()
+{
+ m_menu = new QMenu (this);
+ connect(m_menu, SIGNAL(triggered (QAction *)),SLOT(updateSettings()));
+ QMenu *visMode = m_menu->addMenu(tr("Visualization Mode"));
+ m_visModeGroup = new QActionGroup(this);
+ m_visModeGroup->setExclusive(TRUE);
+ m_visModeGroup->addAction(tr("Analyzer"))->setData("Analyzer");
+ m_visModeGroup->addAction(tr("Scope"))->setData("Scope");
+ m_visModeGroup->addAction(tr("Off"))->setData("Off");
+ foreach(QAction *act, m_visModeGroup->actions ())
+ {
+ act->setCheckable(TRUE);
+ visMode->addAction(act);
+ }
+
+ QMenu *analyzerMode = m_menu->addMenu(tr("Analyzer Mode"));
+ m_analyzerModeGroup = new QActionGroup(this);
+ m_analyzerTypeGroup = new QActionGroup(this);
+ m_analyzerModeGroup->addAction(tr("Normal"))->setData(0);
+ m_analyzerModeGroup->addAction(tr("Fire"))->setData(1);
+ m_analyzerModeGroup->addAction(tr("Vertical Lines"))->setData(2);
+ m_analyzerTypeGroup->addAction(tr("Lines"))->setData(0);
+ m_analyzerTypeGroup->addAction(tr("Bars"))->setData(1);
+ foreach(QAction *act, m_analyzerModeGroup->actions ())
+ {
+ act->setCheckable(TRUE);
+ analyzerMode->addAction(act);
+ }
+ analyzerMode->addSeparator ();
+ foreach(QAction *act, m_analyzerTypeGroup->actions ())
+ {
+ act->setCheckable(TRUE);
+ analyzerMode->addAction(act);
+ }
+ analyzerMode->addSeparator ();
+ m_peaksAction = analyzerMode->addAction(tr("Peaks"));
+ m_peaksAction->setCheckable(TRUE);
+
+
+ QMenu *refreshRate = m_menu->addMenu(tr("Refresh Rate"));
+ m_fpsGroup = new QActionGroup(this);
+ m_fpsGroup->setExclusive(TRUE);
+ m_fpsGroup->addAction(tr("50 fps"))->setData(50);
+ m_fpsGroup->addAction(tr("25 fps"))->setData(25);
+ m_fpsGroup->addAction(tr("10 fps"))->setData(10);
+ m_fpsGroup->addAction(tr("5 fps"))->setData(5);
+ foreach(QAction *act, m_fpsGroup->actions ())
+ {
+ act->setCheckable(TRUE);
+ refreshRate->addAction(act);
+ }
+
+ QMenu *analyzerFalloff = m_menu->addMenu(tr("Analyzer Falloff"));
+ m_analyzerFalloffGroup = new QActionGroup(this);
+ m_analyzerFalloffGroup->setExclusive(TRUE);
+ m_analyzerFalloffGroup->addAction(tr("Slowest"))->setData(1);
+ m_analyzerFalloffGroup->addAction(tr("Slow"))->setData(2);
+ m_analyzerFalloffGroup->addAction(tr("Medium"))->setData(3);
+ m_analyzerFalloffGroup->addAction(tr("Fast"))->setData(4);
+ m_analyzerFalloffGroup->addAction(tr("Fastest"))->setData(5);
+ foreach(QAction *act, m_analyzerFalloffGroup->actions ())
+ {
+ act->setCheckable(TRUE);
+ analyzerFalloff->addAction(act);
+ }
+
+ QMenu *peaksFalloff = m_menu->addMenu(tr("Peaks Falloff"));
+ m_peaksFalloffGroup = new QActionGroup(this);
+ m_peaksFalloffGroup->setExclusive(TRUE);
+ m_peaksFalloffGroup->addAction(tr("Slowest"))->setData(1);
+ m_peaksFalloffGroup->addAction(tr("Slow"))->setData(2);
+ m_peaksFalloffGroup->addAction(tr("Medium"))->setData(3);
+ m_peaksFalloffGroup->addAction(tr("Fast"))->setData(4);
+ m_peaksFalloffGroup->addAction(tr("Fastest"))->setData(5);
+ foreach(QAction *act, m_peaksFalloffGroup->actions ())
+ {
+ act->setCheckable(TRUE);
+ peaksFalloff->addAction(act);
+ }
+ update();
+}
+
+
+void MainVisual::readSettings()
+{
+ QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
+
+ QString name = settings.value("Visualization/type","Analyzer").toString();
+ m_visModeGroup->actions ()[0]->setChecked(TRUE);
+ foreach(QAction *act, m_visModeGroup->actions ())
+ if (name == act->data().toString())
+ act->setChecked(TRUE);
+
+ m_peaksAction->setChecked(
+ settings.value("Visualization/show_peaks", TRUE).toBool());
+
+ int fps = settings.value("Visualization/rate", 25).toInt();
+ m_fpsGroup->actions ()[1]->setChecked(TRUE);
+ foreach(QAction *act, m_fpsGroup->actions ())
+ if (fps == act->data().toInt())
+ act->setChecked(TRUE);
+
+ int mode = settings.value("Visualization/analyzer_mode", 0).toInt();
+ m_analyzerModeGroup->actions ()[0]->setChecked(TRUE);
+ foreach(QAction *act, m_analyzerModeGroup->actions ())
+ if (mode == act->data().toInt())
+ act->setChecked(TRUE);
+
+ int type = settings.value("Visualization/analyzer_type", 1).toInt();
+ m_analyzerTypeGroup->actions ()[1]->setChecked(TRUE);
+ foreach(QAction *act, m_analyzerTypeGroup->actions ())
+ if (type == act->data().toInt())
+ act->setChecked(TRUE);
+
+ int speed = settings.value("Visualization/peaks_falloff", 3).toInt();
+ m_peaksFalloffGroup->actions ()[2]->setChecked(TRUE);
+ foreach(QAction *act, m_peaksFalloffGroup->actions ())
+ if (speed == act->data().toInt())
+ act->setChecked(TRUE);
+
+ speed = settings.value("Visualization/analyzer_falloff", 3).toInt();
+ m_analyzerFalloffGroup->actions ()[2]->setChecked(TRUE);
+ foreach(QAction *act, m_analyzerFalloffGroup->actions ())
+ if (speed == act->data().toInt())
+ act->setChecked(TRUE);
+
+ updateSettings();
+}
+
+using namespace mainvisual;
+
+Analyzer::Analyzer()
+ : m_analyzerBarWidth ( 4 ), m_fps ( 20 )
+{
+ m_size = QSize(75,20);
+ clear();
+ m_skin = Skin::getPointer();
+
+ double peaks_speed[] = { 0.05, 0.1, 0.2, 0.4, 0.8 };
+ double analyzer_speed[] = { 1.2, 1.8, 2.2, 2.8, 2.4 };
+
+ QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat);
+ m_peaks_falloff =
+ peaks_speed[settings.value("Visualization/peaks_falloff", 3).toInt()-1];
+ m_analyzer_falloff =
+ analyzer_speed[settings.value("Visualization/analyzer_falloff", 3).toInt()-1];
+ m_show_peaks = settings.value("Visualization/show_peaks", TRUE).toBool();
+
+ m_lines = settings.value("Visualization/analyzer_type", 1).toInt() == 0;
+ m_mode = settings.value("Visualization/analyzer_mode", 0).toInt();
+}
+
+Analyzer::~Analyzer()
+{}
+
+void Analyzer::clear()
+{
+ for ( int i = 0; i< 75; ++i )
+ {
+ m_intern_vis_data[i] = 0;
+ m_peaks[i] = 0;
+ }
+}
+
+bool Analyzer::process ( VisualNode *node )
+{
+ static fft_state *state = 0;
+ if ( !state )
+ state = fft_init();
+ short dest[256];
+
+ const int xscale_long[] =
+ {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
+ 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
+ 52, 53, 54, 55, 56, 57, 58, 61, 66, 71, 76, 81, 87, 93, 100, 107,
+ 114, 122, 131, 140, 150, 161, 172, 184, 255
+ };
+
+ const int xscale_short[] =
+ {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 11, 15, 20, 27,
+ 36, 47, 62, 82, 107, 141, 184, 255
+ };
+
+ if ( node )
+ {
+ //i = node->length;
+ calc_freq ( dest, node->left );
+ }
+ else
+ return FALSE;
+ const double y_scale = 3.60673760222; /* 20.0 / log(256) */
+ int max = m_lines ? 75 : 19, y, j;
+
+ for ( int i = 0; i < max; i++ )
+ {
+ if (m_lines)
+ for ( j = xscale_long[i], y = 0; j < xscale_long[i + 1]; j++ )
+ {
+ if ( dest[j] > y )
+ y = dest[j];
+ }
+ else
+ for ( j = xscale_short[i], y = 0; j < xscale_short[i + 1]; j++ )
+ {
+ if ( dest[j] > y )
+ y = dest[j];
+ }
+ y >>= 7;
+ int magnitude = 0;
+ if ( y != 0 )
+ {
+ magnitude = int(log (y) * y_scale);
+ if ( magnitude > 15 )
+ magnitude = 15;
+ if ( magnitude < 0 )
+ magnitude = 0;
+ }
+
+ m_intern_vis_data[i] -= m_analyzer_falloff;
+ m_intern_vis_data[i] = magnitude > m_intern_vis_data[i]
+ ? magnitude : m_intern_vis_data[i];
+ if (m_show_peaks)
+ {
+ m_peaks[i] -= m_peaks_falloff;
+ m_peaks[i] = magnitude > m_peaks[i]
+ ? magnitude : m_peaks[i];
+ }
+ }
+ return TRUE;
+}
+
+void Analyzer::draw ( QPainter *p)
+{
+ if (m_lines)
+ for ( int j = 0; j < 75; ++j )
+ {
+ for ( int i = 0; i <= m_intern_vis_data[j]; ++i )
+ {
+ if (m_mode == 0)
+ p->setPen (m_skin->getVisColor (18-i));
+ else if (m_mode == 1)
+ p->setPen (m_skin->getVisColor (3+(int(m_intern_vis_data[j])-i)));
+ else
+ p->setPen (m_skin->getVisColor (18-int(m_intern_vis_data[j])));
+ p->drawPoint (j, m_size.height()-i);
+ }
+ p->setPen (m_skin->getVisColor (23));
+ if (m_show_peaks)
+ p->drawPoint (j, m_size.height()-int(m_peaks[j]));
+ }
+ else
+ for (int j = 0; j < 19; ++j)
+ {
+ for (int i = 0; i <= m_intern_vis_data[j]; ++i)
+ {
+ if (m_mode == 0)
+ p->setPen (m_skin->getVisColor (18-i));
+ else if (m_mode == 1)
+ p->setPen (m_skin->getVisColor (3+(int(m_intern_vis_data[j])-i)));
+ else
+ p->setPen (m_skin->getVisColor (18-int(m_intern_vis_data[j])));
+ p->drawLine (j*4,m_size.height()-i, (j+1)*4-2,m_size.height()-i);
+ }
+ p->setPen (m_skin->getVisColor (23));
+ if (m_show_peaks)
+ p->drawLine (j*4,m_size.height()-int(m_peaks[j]),
+ (j+1) *4-2,m_size.height()-int(m_peaks[j]));
+ }
+}
+
+Scope::Scope()
+{
+ clear();
+ m_skin = Skin::getPointer();
+}
+
+void Scope::clear()
+{
+ for (int i = 0; i< 75; ++i)
+ m_intern_vis_data[i] = 7;
+}
+
+Scope::~Scope()
+{}
+
+bool Scope::process(VisualNode *node)
+{
+ if (!node)
+ return FALSE;
+
+ int step = (node->length << 8)/74;
+ int pos = 0;
+
+ for (int i = 0; i < 75; ++i)
+ {
+ pos += step;
+ m_intern_vis_data[i] = (node->left[pos >> 8] >> 12);
+
+ if (m_intern_vis_data[i] > 5)
+ m_intern_vis_data[i] = 5;
+ else if (m_intern_vis_data[i] < -5)
+ m_intern_vis_data[i] = -5;
+ }
+ return TRUE;
+}
+
+void Scope::draw(QPainter *p)
+{
+ for ( int i = 0; i<73; ++i )
+ {
+ int h1 = 10 - m_intern_vis_data[i];
+ int h2 = 10 - m_intern_vis_data[i+1];
+ if (h1 > h2)
+ qSwap(h1, h2);
+ p->setPen (m_skin->getVisColor(19 + (10 - h2)/2 ));
+ p->drawLine(i, h1, i, h2);
+ }
+ for ( int i = 0; i< 75; ++i )
+ m_intern_vis_data[i] = 0;
+}