]> git.sesse.net Git - kdenlive/blobdiff - src/kdenlivesettingsdialog.cpp
Complete rewrite of the video4linux capture to use MLT, in progress.
[kdenlive] / src / kdenlivesettingsdialog.cpp
index 86624d5503697592f6d87df490834853838be133..c87fe9ca2f841b590d83468b7d9c569b6b05a820 100644 (file)
 #include <QDir>
 #include <QTimer>
 #include <QTreeWidgetItem>
+#include <QThread>
 
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
 #ifndef NO_JOGSHUTTLE
+#include "jogaction.h"
+#include "jogshuttleconfig.h"
 #include <linux/input.h>
 #endif /* NO_JOGSHUTTLE */
 
 
-KdenliveSettingsDialog::KdenliveSettingsDialog(QWidget * parent) :
+KdenliveSettingsDialog::KdenliveSettingsDialog(const QMap<QString, QString>& mappable_actions, QWidget * parent) :
     KConfigDialog(parent, "settings", KdenliveSettings::self()),
-    m_modified(false)
+    m_modified(false),
+    m_shuttleModified(false),
+    m_mappable_actions(mappable_actions)
 {
-
+    KdenliveSettings::setV4l_format(0);
     QWidget *p1 = new QWidget;
     m_configMisc.setupUi(p1);
     m_page1 = addPage(p1, i18n("Misc"), "configure");
@@ -59,6 +64,11 @@ KdenliveSettingsDialog::KdenliveSettingsDialog(QWidget * parent) :
     QWidget *p8 = new QWidget;
     m_configProject.setupUi(p8);
     m_page8 = addPage(p8, i18n("Project Defaults"), "document-new");
+    connect(m_configProject.kcfg_generateproxy, SIGNAL(toggled(bool)), m_configProject.kcfg_proxyminsize, SLOT(setEnabled(bool)));
+    m_configProject.kcfg_proxyminsize->setEnabled(KdenliveSettings::generateproxy());
+    connect(m_configProject.kcfg_generateimageproxy, SIGNAL(toggled(bool)), m_configProject.kcfg_proxyimageminsize, SLOT(setEnabled(bool)));
+    m_configProject.kcfg_proxyimageminsize->setEnabled(KdenliveSettings::generateimageproxy());
+    m_configProject.kcfg_proxyparams->setMaximumHeight(QFontMetrics(font()).lineSpacing() * 5);
 
     QWidget *p3 = new QWidget;
     m_configTimeline.setupUi(p3);
@@ -69,6 +79,7 @@ KdenliveSettingsDialog::KdenliveSettingsDialog(QWidget * parent) :
     m_configEnv.mltpathurl->setMode(KFile::Directory);
     m_configEnv.mltpathurl->lineEdit()->setObjectName("kcfg_mltpath");
     m_configEnv.rendererpathurl->lineEdit()->setObjectName("kcfg_rendererpath");
+    m_configEnv.kcfg_mltthreads->setMaximum(QThread::idealThreadCount());
     m_configEnv.tmppathurl->setMode(KFile::Directory);
     m_configEnv.tmppathurl->lineEdit()->setObjectName("kcfg_currenttmpfolder");
     m_configEnv.projecturl->setMode(KFile::Directory);
@@ -83,12 +94,13 @@ KdenliveSettingsDialog::KdenliveSettingsDialog(QWidget * parent) :
     m_configCapture.setupUi(p4);
 
 #if !defined(Q_WS_MAC) && !defined(Q_OS_FREEBSD)
-    V4lCaptureHandler v4l(NULL);
+    m_configCapture.kcfg_v4l_parameters->setMaximumHeight(QFontMetrics(font()).lineSpacing() * 4);
+
     // Video 4 Linux device detection
     for (int i = 0; i < 10; i++) {
         QString path = "/dev/video" + QString::number(i);
         if (QFile::exists(path)) {
-            QStringList deviceInfo = v4l.getDeviceName(path);
+            QStringList deviceInfo = V4lCaptureHandler::getDeviceName(path.toUtf8().constData());
             if (!deviceInfo.isEmpty()) {
                 m_configCapture.kcfg_detectedv4ldevices->addItem(deviceInfo.at(0), path);
                 m_configCapture.kcfg_detectedv4ldevices->setItemData(m_configCapture.kcfg_detectedv4ldevices->count() - 1, deviceInfo.at(1), Qt::UserRole + 1);
@@ -96,6 +108,10 @@ KdenliveSettingsDialog::KdenliveSettingsDialog(QWidget * parent) :
         }
     }
     connect(m_configCapture.kcfg_detectedv4ldevices, SIGNAL(currentIndexChanged(int)), this, SLOT(slotUpdatev4lDevice()));
+    connect(m_configCapture.kcfg_v4l_format, SIGNAL(currentIndexChanged(int)), this, SLOT(slotUpdatev4lCaptureProfile()));
+    connect(m_configCapture.kcfg_v4l_captureaudio, SIGNAL(toggled(bool)), m_configCapture.kcfg_v4l_alsadevice, SLOT(setEnabled(bool)));
+
+    slotUpdatev4lDevice();
 #endif
 
     m_page4 = addPage(p4, i18n("Capture"), "media-record");
@@ -108,14 +124,49 @@ KdenliveSettingsDialog::KdenliveSettingsDialog(QWidget * parent) :
 
     QWidget *p5 = new QWidget;
     m_configShuttle.setupUi(p5);
-#ifndef NO_JOGSHUTTLE
+#ifdef NO_JOGSHUTTLE
+    m_configShuttle.kcfg_enableshuttle->hide();
+    m_configShuttle.kcfg_enableshuttle->setDisabled(true);
+#else
     connect(m_configShuttle.kcfg_enableshuttle, SIGNAL(stateChanged(int)), this, SLOT(slotCheckShuttle(int)));
     connect(m_configShuttle.shuttledevicelist, SIGNAL(activated(int)), this, SLOT(slotUpdateShuttleDevice(int)));
     slotCheckShuttle(KdenliveSettings::enableshuttle());
     m_configShuttle.shuttledisabled->hide();
-#else
-    m_configShuttle.kcfg_enableshuttle->hide();
-    m_configShuttle.kcfg_enableshuttle->setDisabled(true);
+
+    // Store the button pointers into an array for easier handling them in the other functions.
+    m_shuttle_buttons.push_back(m_configShuttle.shuttle1);
+    m_shuttle_buttons.push_back(m_configShuttle.shuttle2);
+    m_shuttle_buttons.push_back(m_configShuttle.shuttle3);
+    m_shuttle_buttons.push_back(m_configShuttle.shuttle4);
+    m_shuttle_buttons.push_back(m_configShuttle.shuttle5);
+
+    // populate the buttons with the current configuration. The items are sorted
+    // according to the user-selected language, so they do not appear in random order.
+    QList<QString> action_names = mappable_actions.keys();
+    qSort(action_names);
+
+    // Here we need to compute the action_id -> index-in-action_names. We iterate over the
+    // action_names, as the sorting may depend on the user-language.
+    QStringList actions_map = JogShuttleConfig::actionMap(KdenliveSettings::shuttlebuttons());
+    QMap<QString, int> action_pos;
+    foreach (const QString& action_id, actions_map) {
+      // This loop find out at what index is the string that would map to the action_id.
+      for (int i = 0; i < action_names.size(); i++) {
+          if (mappable_actions[action_names[i]] == action_id) {
+              action_pos[action_id] = i;
+              break;
+          }
+      }
+    }
+
+    int i = 0;
+    foreach (KComboBox* button, m_shuttle_buttons) {
+      button->addItems(action_names);
+      connect(button, SIGNAL(activated(int)), this, SLOT(slotShuttleModified()));
+      ++i;
+      if (i < actions_map.size())
+        button->setCurrentIndex(action_pos[actions_map[i]]);
+    }
 #endif /* NO_JOGSHUTTLE */
     m_page5 = addPage(p5, i18n("JogShuttle"), "input-mouse");
 
@@ -134,26 +185,7 @@ KdenliveSettingsDialog::KdenliveSettingsDialog(QWidget * parent) :
     connect(m_configTranscode.button_add, SIGNAL(clicked()), this, SLOT(slotAddTranscode()));
     connect(m_configTranscode.button_delete, SIGNAL(clicked()), this, SLOT(slotDeleteTranscode()));
     connect(m_configTranscode.profiles_list, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(slotDialogModified()));
-
-    QStringList actions;
-    actions << i18n("Do nothing");
-    actions << i18n("Play / Pause");
-    actions << i18n("Cut");
-    m_configShuttle.kcfg_shuttle1->addItems(actions);
-    m_configShuttle.kcfg_shuttle2->addItems(actions);
-    m_configShuttle.kcfg_shuttle3->addItems(actions);
-    m_configShuttle.kcfg_shuttle4->addItems(actions);
-    m_configShuttle.kcfg_shuttle5->addItems(actions);
-
-    connect(m_configCapture.kcfg_video4vdevice, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-    connect(m_configCapture.kcfg_video4adevice, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-    connect(m_configCapture.kcfg_video4vcodec, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-    connect(m_configCapture.kcfg_video4acodec, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-    connect(m_configCapture.kcfg_video4vformat, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-    connect(m_configCapture.kcfg_video4aformat, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-    connect(m_configCapture.kcfg_video4size, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-    connect(m_configCapture.kcfg_video4rate, SIGNAL(editingFinished()), this, SLOT(rebuildVideo4Commands()));
-
+    
     connect(m_configCapture.kcfg_rmd_capture_audio, SIGNAL(clicked(bool)), m_configCapture.audio_group, SLOT(setVisible(bool)));
 
     m_configCapture.audio_group->setVisible(KdenliveSettings::rmd_capture_audio());
@@ -320,6 +352,7 @@ void KdenliveSettingsDialog::initDevices()
                 if (line.contains("capture")) {
                     deviceId = line.section(':', 0, 0);
                     m_configCapture.kcfg_rmd_alsa_device->addItem(line.section(':', 1, 1), "plughw:" + QString::number(deviceId.section('-', 0, 0).toInt()) + ',' + QString::number(deviceId.section('-', 1, 1).toInt()));
+                    m_configCapture.kcfg_v4l_alsadevice->addItem(line.section(':', 1, 1), "hw:" + QString::number(deviceId.section('-', 0, 0).toInt()) + ',' + QString::number(deviceId.section('-', 1, 1).toInt()));
                 }
             }
             file.close();
@@ -331,12 +364,22 @@ void KdenliveSettingsDialog::initDevices()
         m_configSdl.kcfg_audio_device->setCurrentIndex(ix);
         KdenliveSettings::setAudio_device(ix);
     }
+    
     if (!KdenliveSettings::rmd_alsadevicename().isEmpty()) {
         // Select correct alsa device
         int ix = m_configCapture.kcfg_rmd_alsa_device->findData(KdenliveSettings::rmd_alsadevicename());
         m_configCapture.kcfg_rmd_alsa_device->setCurrentIndex(ix);
         KdenliveSettings::setRmd_alsa_device(ix);
     }
+
+    if (!KdenliveSettings::v4l_alsadevicename().isEmpty()) {
+        // Select correct alsa device
+        int ix = m_configCapture.kcfg_v4l_alsadevice->findData(KdenliveSettings::v4l_alsadevicename());
+        m_configCapture.kcfg_v4l_alsadevice->setCurrentIndex(ix);
+        KdenliveSettings::setV4l_alsadevice(ix);
+    }
+
+    loadCurrentV4lProfileInfo();
 }
 
 
@@ -353,6 +396,7 @@ void KdenliveSettingsDialog::slotReadAudioDevices()
             QString device = data.section(':', 1, 1).section(' ', -1);
             m_configSdl.kcfg_audio_device->addItem(data.section(':', -1), "plughw:" + card + ',' + device);
             m_configCapture.kcfg_rmd_alsa_device->addItem(data.section(':', -1), "plughw:" + card + ',' + device);
+            m_configCapture.kcfg_v4l_alsadevice->addItem(data.section(':', -1), "hw:" + card + ',' + device);
         }
     }
 }
@@ -449,27 +493,61 @@ void KdenliveSettingsDialog::slotUpdateShuttleDevice(int ix)
     //KdenliveSettings::setShuttledevice(device);
     m_configShuttle.kcfg_shuttledevice->setText(device);
 }
+
 #endif /* NO_JOGSHUTTLE */
 
-void KdenliveSettingsDialog::rebuildVideo4Commands()
+void KdenliveSettingsDialog::updateWidgets()
 {
-    QString captureCommand;
-    if (!m_configCapture.kcfg_video4adevice->text().isEmpty()) captureCommand = "-f " + m_configCapture.kcfg_video4aformat->text() + " -i " + m_configCapture.kcfg_video4adevice->text() + " -acodec " + m_configCapture.kcfg_video4acodec->text();
+    // Revert widgets to last saved state (for example when user pressed "Cancel")
+    // kDebug() << "// // // KCONFIG Revert called";
+#ifndef NO_JOGSHUTTLE
+    // revert jog shuttle device
+    if (m_configShuttle.shuttledevicelist->count() > 0) {
+       for (int i = 0; i < m_configShuttle.shuttledevicelist->count(); i++) {
+           if (m_configShuttle.shuttledevicelist->itemData(i) == KdenliveSettings::shuttledevice()) {
+               m_configShuttle.shuttledevicelist->setCurrentIndex(i);
+               break;
+           }
+       }
+    }
 
-    captureCommand +=  " -f " + m_configCapture.kcfg_video4vformat->text() + " -s " + m_configCapture.kcfg_video4size->text() + " -r " + QString::number(m_configCapture.kcfg_video4rate->value()) + " -i " + m_configCapture.kcfg_video4vdevice->text() + " -vcodec " + m_configCapture.kcfg_video4vcodec->text();
-    m_configCapture.kcfg_video4capture->setText(captureCommand);
+    // Revert jog shuttle buttons
+    QList<QString> action_names = m_mappable_actions.keys();
+    qSort(action_names);
+    QStringList actions_map = JogShuttleConfig::actionMap(KdenliveSettings::shuttlebuttons());
+    QMap<QString, int> action_pos;
+    foreach (const QString& action_id, actions_map) {
+      // This loop find out at what index is the string that would map to the action_id.
+      for (int i = 0; i < action_names.size(); i++) {
+          if (m_mappable_actions[action_names[i]] == action_id) {
+              action_pos[action_id] = i;
+              break;
+          }
+      }
+    }
+    int i = 0;
+    foreach (KComboBox* button, m_shuttle_buttons) {
+      ++i;
+      if (i < actions_map.size())
+        button->setCurrentIndex(action_pos[actions_map[i]]);
+    }
+#endif
 }
 
-
 void KdenliveSettingsDialog::updateSettings()
 {
-    //kDebug() << "// // // KCONFIG UPDATE called";
-
+    // Save changes to settings (for example when user pressed "Apply" or "Ok")
+    // kDebug() << "// // // KCONFIG UPDATE called";
     m_defaultProfile = m_configProject.kcfg_profiles_list->currentText();
     KdenliveSettings::setDefault_profile(m_defaultPath);
 
     bool resetProfile = false;
     bool updateCapturePath = false;
+    
+    /*if (m_configShuttle.shuttledevicelist->count() > 0) {
+       QString device = m_configShuttle.shuttledevicelist->itemData(m_configShuttle.shuttledevicelist->currentIndex()).toString();
+       if (device != KdenliveSettings::shuttledevice()) KdenliveSettings::setShuttledevice(device);
+    }*/
 
     if (m_configEnv.kcfg_capturetoprojectfolder->isChecked() != KdenliveSettings::capturetoprojectfolder()) {
         KdenliveSettings::setCapturetoprojectfolder(m_configEnv.kcfg_capturetoprojectfolder->isChecked());
@@ -491,6 +569,12 @@ void KdenliveSettingsDialog::updateSettings()
         updateCapturePath = true;
     }
 
+    if ((uint) m_configCapture.kcfg_v4l_format->currentIndex() != KdenliveSettings::v4l_format()) {
+        saveCurrentV4lProfile();
+        KdenliveSettings::setV4l_format(0);
+    }
+    
+
     if (updateCapturePath) emit updateCaptureFolder();
 
     QString value = m_configCapture.kcfg_rmd_alsa_device->itemData(m_configCapture.kcfg_rmd_alsa_device->currentIndex()).toString();
@@ -498,6 +582,11 @@ void KdenliveSettingsDialog::updateSettings()
         KdenliveSettings::setRmd_alsadevicename(value);
     }
 
+    value = m_configCapture.kcfg_v4l_alsadevice->itemData(m_configCapture.kcfg_v4l_alsadevice->currentIndex()).toString();
+    if (value != KdenliveSettings::v4l_alsadevicename()) {
+        KdenliveSettings::setV4l_alsadevicename(value);
+    }
+
     value = m_configCapture.kcfg_rmd_audio_freq->itemText(m_configCapture.kcfg_rmd_audio_freq->currentIndex());
     kDebug() << "// AUDIO FREQ VALUE: " << value << ", CURRENT: " << KdenliveSettings::rmd_freq() << ", IX: " << m_configCapture.kcfg_rmd_audio_freq->currentIndex();
     if (value != KdenliveSettings::rmd_freq()) {
@@ -505,6 +594,11 @@ void KdenliveSettingsDialog::updateSettings()
         KdenliveSettings::setRmd_freq(value);
     }
 
+    if (m_configSdl.kcfg_external_display->isChecked() != KdenliveSettings::external_display()) {
+        KdenliveSettings::setExternal_display(m_configSdl.kcfg_external_display->isChecked());
+        resetProfile = true;
+    }
+
     value = m_configSdl.kcfg_audio_driver->itemData(m_configSdl.kcfg_audio_driver->currentIndex()).toString();
     if (value != KdenliveSettings::audiodrivername()) {
         KdenliveSettings::setAudiodrivername(value);
@@ -538,6 +632,18 @@ void KdenliveSettingsDialog::updateSettings()
         KdenliveSettings::setVolume(m_configSdl.kcfg_volume->value());
         resetProfile = true;
     }
+    
+    if (m_configProject.kcfg_enableproxy->isChecked() != KdenliveSettings::enableproxy()) {
+        KdenliveSettings::setEnableproxy(m_configProject.kcfg_enableproxy->isChecked());
+    }
+    
+    if (m_configProject.kcfg_generateproxy->isChecked() != KdenliveSettings::generateproxy()) {
+        KdenliveSettings::setGenerateproxy(m_configProject.kcfg_generateproxy->isChecked());
+    }
+    
+    if (m_configProject.kcfg_proxyminsize->value() != KdenliveSettings::proxyminsize()) {
+        KdenliveSettings::setProxyminsize(m_configProject.kcfg_proxyminsize->value());
+    }
 
     if (m_modified) {
         // The transcoding profiles were modified, save.
@@ -545,6 +651,20 @@ void KdenliveSettingsDialog::updateSettings()
         saveTranscodeProfiles();
     }
 
+#ifndef NO_JOGSHUTTLE
+    m_shuttleModified = false;
+
+    QStringList actions;
+    actions << "monitor_pause";  // the Job rest position action.
+    foreach (KComboBox* button, m_shuttle_buttons) {
+        actions << m_mappable_actions[button->currentText()];
+    }
+    QString maps = JogShuttleConfig::actionMap(actions);
+    //fprintf(stderr, "Shuttle config: %s\n", JogShuttleConfig::actionMap(actions).toAscii().constData());
+    if (KdenliveSettings::shuttlebuttons() != maps)
+       KdenliveSettings::setShuttlebuttons(maps);
+#endif
+
 #if KDE_IS_VERSION(4,3,0)
     KConfigDialog::settingsChangedSlot();
 #endif
@@ -623,6 +743,22 @@ void KdenliveSettingsDialog::slotDeleteTranscode()
     slotDialogModified();
 }
 
+void KdenliveSettingsDialog::slotShuttleModified()
+{
+#ifndef NO_JOGSHUTTLE
+    QStringList actions;
+    actions << "monitor_pause";  // the Job rest position action.
+    foreach (KComboBox* button, m_shuttle_buttons) {
+        actions << m_mappable_actions[button->currentText()];
+    }
+    QString maps = JogShuttleConfig::actionMap(actions);
+    m_shuttleModified = KdenliveSettings::shuttlebuttons() != maps;
+#endif
+#if KDE_IS_VERSION(4,3,0)
+    KConfigDialog::updateButtons();
+#endif
+}
+
 void KdenliveSettingsDialog::slotDialogModified()
 {
     m_modified = true;
@@ -634,7 +770,7 @@ void KdenliveSettingsDialog::slotDialogModified()
 //virtual
 bool KdenliveSettingsDialog::hasChanged()
 {
-    if (m_modified) return true;
+    if (m_modified || m_shuttleModified) return true;
     return KConfigDialog::hasChanged();
 }
 
@@ -642,11 +778,97 @@ void KdenliveSettingsDialog::slotUpdatev4lDevice()
 {
     QString device = m_configCapture.kcfg_detectedv4ldevices->itemData(m_configCapture.kcfg_detectedv4ldevices->currentIndex()).toString();
     if (!device.isEmpty()) m_configCapture.kcfg_video4vdevice->setText(device);
-    QString size = m_configCapture.kcfg_detectedv4ldevices->itemData(m_configCapture.kcfg_detectedv4ldevices->currentIndex(), Qt::UserRole + 1).toString();
-    if (!size.isEmpty()) m_configCapture.kcfg_video4size->setText(size);
-    rebuildVideo4Commands();
+    QString info = m_configCapture.kcfg_detectedv4ldevices->itemData(m_configCapture.kcfg_detectedv4ldevices->currentIndex(), Qt::UserRole + 1).toString();
+
+    m_configCapture.kcfg_v4l_format->blockSignals(true);
+    m_configCapture.kcfg_v4l_format->clear();
+
+    QString vl4ProfilePath = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
+    if (QFile::exists(vl4ProfilePath)) m_configCapture.kcfg_v4l_format->addItem(i18n("Current settings"));
+    
+    QStringList pixelformats = info.split(">", QString::SkipEmptyParts);
+    QString itemSize;
+    QString pixelFormat;
+    QStringList itemRates;
+    for (int i = 0; i < pixelformats.count(); i++) {
+        QString format = pixelformats.at(i).section(':', 0, 0);
+        QStringList sizes = pixelformats.at(i).split(":", QString::SkipEmptyParts);
+        pixelFormat = sizes.takeFirst();
+        for (int j = 0; j < sizes.count(); j++) {
+            itemSize = sizes.at(j).section("=", 0, 0);
+            itemRates = sizes.at(j).section("=", 1, 1).split(",", QString::SkipEmptyParts);
+            for (int k = 0; k < itemRates.count(); k++) {
+                m_configCapture.kcfg_v4l_format->addItem("[" + format + "] " + itemSize + " (" + itemRates.at(k) + ")", QStringList() << format << itemSize.section('x', 0, 0) << itemSize.section('x', 1, 1) << itemRates.at(k).section('/', 0, 0) << itemRates.at(k).section('/', 1, 1));
+            }
+        }
+    }
+    m_configCapture.kcfg_v4l_format->blockSignals(false);
+    slotUpdatev4lCaptureProfile();
 }
 
+void KdenliveSettingsDialog::slotUpdatev4lCaptureProfile()
+{
+    QStringList info = m_configCapture.kcfg_v4l_format->itemData(m_configCapture.kcfg_v4l_format->currentIndex(), Qt::UserRole).toStringList();
+    if (info.isEmpty()) {
+        // No auto info, display the current ones
+        loadCurrentV4lProfileInfo();
+        return;
+    }
+    m_configCapture.p_size->setText(info.at(1) + 'x' + info.at(2));
+    m_configCapture.p_fps->setText(info.at(3) + '/' + info.at(4));
+    m_configCapture.p_aspect->setText("1/1");
+    m_configCapture.p_display->setText(info.at(1) + '/' + info.at(2));
+    m_configCapture.p_colorspace->setText(ProfilesDialog::getColorspaceDescription(601));
+    m_configCapture.p_progressive->setText(i18n("Progressive"));
+
+    QString vl4ProfilePath = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
+    if (!QFile::exists(vl4ProfilePath)) saveCurrentV4lProfile();
+}
+
+void KdenliveSettingsDialog::loadCurrentV4lProfileInfo()
+{
+    QString vl4ProfilePath = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
+    MltVideoProfile prof;
+    if (!QFile::exists(vl4ProfilePath)) {
+        // No default formats found, build one
+        prof.width = 320;
+        prof.height = 200;
+        prof.frame_rate_num = 15;
+        prof.frame_rate_den = 1;
+        prof.display_aspect_num = 4;
+        prof.display_aspect_den = 3;
+        prof.sample_aspect_num = 1;
+        prof.sample_aspect_den = 1;
+        prof.progressive = 1;
+        prof.colorspace = 601;
+        ProfilesDialog::saveProfile(prof, vl4ProfilePath);
+    }
+    else prof = ProfilesDialog::getVideoProfile(vl4ProfilePath);
+    m_configCapture.p_size->setText(QString::number(prof.width) + 'x' + QString::number(prof.height));
+    m_configCapture.p_fps->setText(QString::number(prof.frame_rate_num) + '/' + QString::number(prof.frame_rate_den));
+    m_configCapture.p_aspect->setText(QString::number(prof.sample_aspect_num) + '/' + QString::number(prof.sample_aspect_den));
+    m_configCapture.p_display->setText(QString::number(prof.display_aspect_num) + '/' + QString::number(prof.display_aspect_den));
+    m_configCapture.p_colorspace->setText(ProfilesDialog::getColorspaceDescription(prof.colorspace));
+    if (prof.progressive) m_configCapture.p_progressive->setText(i18n("Progressive"));
+}
+
+void KdenliveSettingsDialog::saveCurrentV4lProfile()
+{
+    MltVideoProfile profile;
+    profile.description = "Video4Linux capture";
+    profile.colorspace = ProfilesDialog::getColorspaceFromDescription(m_configCapture.p_colorspace->text());
+    profile.width = m_configCapture.p_size->text().section('x', 0, 0).toInt();
+    profile.height = m_configCapture.p_size->text().section('x', 1, 1).toInt();
+    profile.sample_aspect_num = m_configCapture.p_aspect->text().section('/', 0, 0).toInt();
+    profile.sample_aspect_den = m_configCapture.p_aspect->text().section('/', 1, 1).toInt();
+    profile.display_aspect_num = m_configCapture.p_display->text().section('/', 0, 0).toInt();
+    profile.display_aspect_den = m_configCapture.p_display->text().section('/', 1, 1).toInt();
+    profile.frame_rate_num = m_configCapture.p_fps->text().section('/', 0, 0).toInt();
+    profile.frame_rate_den = m_configCapture.p_fps->text().section('/', 1, 1).toInt();
+    profile.progressive = m_configCapture.p_progressive->text() == i18n("Progressive");
+    QString vl4ProfilePath = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
+    ProfilesDialog::saveProfile(profile, vl4ProfilePath);
+}
 
 #include "kdenlivesettingsdialog.moc"