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path: root/src/plugins/Ui/skinned/mainvisual.cpp
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-rw-r--r--src/plugins/Ui/skinned/mainvisual.cpp613
1 files changed, 613 insertions, 0 deletions
diff --git a/src/plugins/Ui/skinned/mainvisual.cpp b/src/plugins/Ui/skinned/mainvisual.cpp
new file mode 100644
index 000000000..222878e36
--- /dev/null
+++ b/src/plugins/Ui/skinned/mainvisual.cpp
@@ -0,0 +1,613 @@
+/***************************************************************************
+ * Copyright (C) 2007-2010 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 <qmmp/buffer.h>
+#include <qmmp/qmmp.h>
+#include <math.h>
+#include <stdlib.h>
+#include "skin.h"
+#include "fft.h"
+#include "inlines.h"
+#include "mainvisual.h"
+
+#define VISUAL_NODE_SIZE 512 //samples
+#define VISUAL_BUFFER_SIZE (5*VISUAL_NODE_SIZE)
+
+
+MainVisual *MainVisual::m_instance = 0;
+
+MainVisual *MainVisual::instance()
+{
+ if (!m_instance)
+ qFatal ("MainVisual: this object is not created!");
+ return m_instance;
+}
+
+MainVisual::MainVisual (QWidget *parent)
+ : Visual (parent), m_vis (0), m_playing (false)
+{
+ m_skin = Skin::instance();
+ m_ratio = m_skin->ratio();
+ connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSettings()));
+ m_timer = new QTimer (this);
+ connect(m_timer, SIGNAL (timeout()), this, SLOT (timeout()));
+ createMenu();
+ readSettings();
+ m_left_buffer = new short[VISUAL_BUFFER_SIZE];
+ m_buffer_at = 0;
+ m_instance = this;
+}
+
+MainVisual::~MainVisual()
+{
+ QSettings settings(Qmmp::configFile(), 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());
+ delete [] m_left_buffer;
+ m_instance = 0;
+}
+
+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()
+{
+ m_buffer_at = 0;
+ if (m_vis)
+ m_vis->clear();
+ m_pixmap = m_bg;
+ update();
+}
+
+void MainVisual::add (unsigned char *data, qint64 size, int chan)
+{
+ if (!m_timer->isActive () || !m_vis)
+ return;
+
+ if(VISUAL_BUFFER_SIZE == m_buffer_at)
+ {
+ m_buffer_at -= VISUAL_NODE_SIZE;
+ memmove(m_left_buffer, m_left_buffer + VISUAL_NODE_SIZE, m_buffer_at << 1);
+ return;
+ }
+
+ int frames = qMin((int)size/chan >> 1, VISUAL_BUFFER_SIZE - m_buffer_at);
+
+ if (chan >= 2)
+ {
+ mono16_from_multichannel(m_left_buffer + m_buffer_at, (short *) data, frames, chan);
+ }
+ else
+ {
+ memcpy(m_left_buffer + m_buffer_at, (short *) data, frames << 1);
+ }
+
+ m_buffer_at += frames;
+}
+
+void MainVisual::timeout()
+{
+ mutex()->lock ();
+
+ if(m_buffer_at < VISUAL_NODE_SIZE)
+ {
+ mutex()->unlock ();
+ return;
+ }
+
+ if (m_vis)
+ {
+ m_vis->process (m_left_buffer);
+ m_buffer_at -= VISUAL_NODE_SIZE;
+ memmove(m_left_buffer, m_left_buffer + VISUAL_NODE_SIZE, m_buffer_at << 1);
+ m_pixmap = m_bg;
+ QPainter p(&m_pixmap);
+ m_vis->draw (&p);
+ }
+ mutex()->unlock ();
+ 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
+ {
+ m_pixmap = m_bg;
+ 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 (76 * m_ratio, 16 * m_ratio);
+ if (m_transparentAction->isChecked())
+ {
+ m_bg.fill (Qt::transparent);
+ return;
+ }
+ QPainter painter(&m_bg);
+ for (int x = 0; x < 76 * m_ratio; x += 2)
+ {
+ painter.setPen(m_skin->getVisColor(0));
+ painter.drawLine(x + 1, 0, x + 1, 16 *m_ratio);
+ for (int y = 0; y < 16 *m_ratio; 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()
+{
+ m_ratio = m_skin->ratio();
+ resize(76 * m_ratio, 16 * m_ratio);
+ m_pixmap = QPixmap (76 * m_ratio, 16 * m_ratio);
+ 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(Qmmp::configFile(), 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);
+
+ settings.setValue("Visualization/transparent_bg", m_transparentAction->isChecked());
+
+ 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("None");
+ 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);
+ }
+ QMenu *background = m_menu->addMenu(tr("Background"));
+ m_transparentAction = background->addAction(tr("Transparent"));
+ m_transparentAction->setCheckable(true);
+ update();
+}
+
+
+void MainVisual::readSettings()
+{
+ QSettings settings(Qmmp::configFile(), 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);
+
+ m_transparentAction->setChecked(
+ settings.value("Visualization/transparent_bg", false).toBool());
+
+ updateSettings();
+}
+
+using namespace mainvisual;
+
+Analyzer::Analyzer()
+ : m_analyzerBarWidth (4), m_fps (20)
+{
+ clear();
+ m_skin = Skin::instance();
+ m_size = QSize(76*m_skin->ratio(), 16*m_skin->ratio());
+
+ 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(Qmmp::configFile(), 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 (short *l)
+{
+ static fft_state *state = 0;
+ if (!state)
+ state = fft_init();
+ short dest[256];
+
+ static 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
+ };
+
+ static 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
+ };
+
+ calc_freq (dest, l);
+
+ 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)
+{
+ int r = m_skin->ratio();
+ 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*r, m_size.height() - r*i);
+ if(r == 2)
+ p->drawPoint (j*r+1, m_size.height() - r*i);
+ }
+ p->setPen (m_skin->getVisColor (23));
+ if (m_show_peaks)
+ {
+ p->drawPoint (j*r, m_size.height() - r*m_peaks[j]);
+ if(r == 2)
+ p->drawPoint (j*r+1, m_size.height() - r*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*r,m_size.height()-r*i, (j*4+2)*r,m_size.height()-r*i);
+ if(r == 2)
+ p->drawLine (j*4*r, m_size.height()-r*i +1, (j*4+2)*r,m_size.height()-r*i+1);
+ }
+ p->setPen (m_skin->getVisColor (23));
+ if (m_show_peaks)
+ {
+ p->drawLine (j*4*r,m_size.height()-r*m_peaks[j],
+ (j*4+2)*r,m_size.height()-r*m_peaks[j]);
+ if(r == 2)
+ p->drawLine (j*4*r,m_size.height()-r*m_peaks[j]+1,
+ (j*4+2)*r,m_size.height()-r*m_peaks[j]+1);
+ }
+ }
+}
+
+Scope::Scope()
+{
+ clear();
+ m_skin = Skin::instance();
+ m_ratio = m_skin->ratio();
+}
+
+void Scope::clear()
+{
+ for (int i = 0; i< 76; ++i)
+ m_intern_vis_data[i] = 5;
+}
+
+Scope::~Scope()
+{}
+
+bool Scope::process(short *l)
+{
+ int step = (VISUAL_NODE_SIZE << 8)/76;
+ int pos = 0;
+
+ for (int i = 0; i < 76; ++i)
+ {
+ pos += step;
+ m_intern_vis_data[i] = (l[pos >> 8] >> 12);
+
+ if (m_intern_vis_data[i] > 4)
+ m_intern_vis_data[i] = 4;
+ else if (m_intern_vis_data[i] < -4)
+ m_intern_vis_data[i] = -4;
+ }
+ return true;
+}
+
+void Scope::draw(QPainter *p)
+{
+ for (int i = 0; i<75; ++i)
+ {
+ int h1 = 8 - m_intern_vis_data[i];
+ int h2 = 8 - m_intern_vis_data[i+1];
+ if (h1 > h2)
+ qSwap(h1, h2);
+ p->setPen (m_skin->getVisColor(18 + qAbs(8 - h2)));
+ p->drawLine(i*m_ratio, h1*m_ratio, (i+1)*m_ratio, h2*m_ratio);
+ }
+ for (int i = 0; i< 76; ++i)
+ m_intern_vis_data[i] = 0;
+}
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