git.sesse.net Git - kdenlive/blob - src/recmonitor.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "recmonitor.h"
  22 #include "gentime.h"
  23 #include "mltdevicecapture.h"
  24 #include "kdenlivesettings.h"
  25 #include "managecapturesdialog.h"
  26 #include "monitormanager.h"
  27 #include "monitor.h"
  28 #include "profilesdialog.h"
  29
  30 #include <KDebug>
  31 #include <KLocale>
  32 #include <KStandardDirs>
  33 #include <KComboBox>
  34 #include <KIO/NetAccess>
  35 #include <KFileItem>
  36 #include <KMessageBox>
  37 #include <KApplication>
  38 #include <KDiskFreeSpaceInfo>
  39 #include <QMouseEvent>
  40 #include <QMenu>
  41 #include <QToolButton>
  42 #include <QFile>
  43 #include <QDir>
  44 #include <QDesktopWidget>
  45
  46
  47 RecMonitor::RecMonitor(Kdenlive::MONITORID name, MonitorManager *manager, QWidget *parent) :
  48     AbstractMonitor(name, manager, parent),
  49     m_isCapturing(false),
  50     m_didCapture(false),
  51     m_isPlaying(false),
  52     m_captureDevice(NULL),
  53     m_analyse(false)
  54 {
  55     setupUi(this);
  56
  57     //video_frame->setAttribute(Qt::WA_PaintOnScreen);
  58     device_selector->setCurrentIndex(KdenliveSettings::defaultcapture());
  59     connect(device_selector, SIGNAL(currentIndexChanged(int)), this, SLOT(slotVideoDeviceChanged(int)));
  60
  61     // Video widget holder
  62     QVBoxLayout *l = new QVBoxLayout;
  63     l->setContentsMargins(0, 0, 0, 0);
  64     l->setSpacing(0);
  65     l->addWidget(videoBox, 10);
  66     video_frame->setLayout(l);
  67     createVideoSurface();
  68
  69     QToolBar *toolbar = new QToolBar(this);
  70     QHBoxLayout *layout = new QHBoxLayout;
  71     layout->setContentsMargins(0, 0, 0, 0);
  72     m_playIcon = KIcon("media-playback-start");
  73     m_pauseIcon = KIcon("media-playback-pause");
  74
  75     m_discAction = toolbar->addAction(KIcon("network-connect"), i18n("Connect"));
  76     connect(m_discAction, SIGNAL(triggered()), this, SLOT(slotDisconnect()));
  77
  78     m_rewAction = toolbar->addAction(KIcon("media-seek-backward"), i18n("Rewind"));
  79     connect(m_rewAction, SIGNAL(triggered()), this, SLOT(slotRewind()));
  80
  81     m_playAction = toolbar->addAction(m_playIcon, i18n("Play"));
  82     connect(m_playAction, SIGNAL(triggered()), this, SLOT(slotStartPreview()));
  83
  84     m_stopAction = toolbar->addAction(KIcon("media-playback-stop"), i18n("Stop"));
  85     connect(m_stopAction, SIGNAL(triggered()), this, SLOT(slotStopCapture()));
  86     m_stopAction->setEnabled(false);
  87     m_fwdAction = toolbar->addAction(KIcon("media-seek-forward"), i18n("Forward"));
  88     connect(m_fwdAction, SIGNAL(triggered()), this, SLOT(slotForward()));
  89
  90     m_recAction = toolbar->addAction(KIcon("media-record"), i18n("Record"));
  91     connect(m_recAction, SIGNAL(triggered()), this, SLOT(slotRecord()));
  92     m_recAction->setCheckable(true);
  93
  94     rec_options->setIcon(KIcon("system-run"));
  95     QMenu *menu = new QMenu(this);
  96     m_addCapturedClip = new QAction(i18n("Add Captured File to Project"), this);
  97     m_addCapturedClip->setCheckable(true);
  98     m_addCapturedClip->setChecked(true);
  99     menu->addAction(m_addCapturedClip);
 100
 101     rec_audio->setChecked(KdenliveSettings::v4l_captureaudio());
 102     rec_video->setChecked(KdenliveSettings::v4l_capturevideo());
 103
 104     m_previewSettings = new QAction(i18n("Recording Preview"), this);
 105     m_previewSettings->setCheckable(true);
 106
 107
 108     rec_options->setMenu(menu);
 109     menu->addAction(m_previewSettings);
 110
 111     toolbar->addSeparator();
 112
 113     QAction *configAction = toolbar->addAction(KIcon("configure"), i18n("Configure"));
 114     connect(configAction, SIGNAL(triggered()), this, SLOT(slotConfigure()));
 115     configAction->setCheckable(false);
 116
 117     layout->addWidget(toolbar);
 118     layout->addWidget(&m_logger);
 119     layout->addWidget(&m_dvinfo);
 120     m_logger.setMaxCount(10);
 121     m_logger.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 122     m_logger.setFrame(false);
 123     //m_logger.setInsertPolicy(QComboBox::InsertAtTop);
 124
 125     m_freeSpace = new KCapacityBar(KCapacityBar::DrawTextInline, this);
 126     m_freeSpace->setMaximumWidth(150);
 127     QFontMetricsF fontMetrics(font());
 128     m_freeSpace->setMaximumHeight(fontMetrics.height() * 1.2);
 129     slotUpdateFreeSpace();
 130     layout->addWidget(m_freeSpace);
 131     connect(&m_spaceTimer, SIGNAL(timeout()), this, SLOT(slotUpdateFreeSpace()));
 132     m_spaceTimer.setInterval(30000);
 133     m_spaceTimer.setSingleShot(false);
 134
 135     control_frame_firewire->setLayout(layout);
 136     m_displayProcess = new QProcess;
 137     m_captureProcess = new QProcess;
 138
 139     connect(m_captureProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(slotProcessStatus(QProcess::ProcessState)));
 140     connect(m_captureProcess, SIGNAL(readyReadStandardError()), this, SLOT(slotReadDvgrabInfo()));
 141
 142     QString videoDriver = KdenliveSettings::videodrivername();
 143 #if QT_VERSION >= 0x040600
 144     QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 145     env.insert("SDL_WINDOWID", QString::number(videoSurface->winId()));
 146     if (!videoDriver.isEmpty()) {
 147         if (videoDriver == "x11_noaccel") {
 148             env.insert("SDL_VIDEO_YUV_HWACCEL", "0");
 149             env.insert("SDL_VIDEODRIVER", "x11");
 150         } else env.insert("SDL_VIDEODRIVER", videoDriver);
 151     }
 152     m_displayProcess->setProcessEnvironment(env);
 153 #else
 154     QStringList env = QProcess::systemEnvironment();
 155     env << "SDL_WINDOWID=" + QString::number(videoSurface->winId());
 156     if (!videoDriver.isEmpty()) {
 157         if (videoDriver == "x11_noaccel") {
 158             env << "SDL_VIDEO_YUV_HWACCEL=0";
 159             env << "SDL_VIDEODRIVER=x11";
 160         } else env << "SDL_VIDEODRIVER=" + videoDriver;
 161     }
 162     m_displayProcess->setEnvironment(env);
 163 #endif
 164
 165     setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 1);
 166
 167     kDebug() << "/////// BUILDING MONITOR, ID: " << videoSurface->winId();
 168     slotVideoDeviceChanged(device_selector->currentIndex());
 169     m_previewSettings->setChecked(KdenliveSettings::enable_recording_preview());
 170     connect(m_previewSettings, SIGNAL(triggered(bool)), this, SLOT(slotChangeRecordingPreview(bool)));
 171 }
 172
 173 RecMonitor::~RecMonitor()
 174 {
 175     m_spaceTimer.stop();
 176     delete m_captureProcess;
 177     delete m_displayProcess;
 178     if (m_captureDevice) delete m_captureDevice;
 179 }
 180
 181 void RecMonitor::mouseDoubleClickEvent(QMouseEvent * event)
 182 {
 183     if (!KdenliveSettings::openglmonitors() && videoBox && videoBox->isVisible()) {
 184         videoBox->switchFullScreen();
 185         event->accept();
 186     }
 187 }
 188
 189 void RecMonitor::slotSwitchFullScreen()
 190 {
 191     videoBox->switchFullScreen();
 192 }
 193
 194 void RecMonitor::stop()
 195 {
 196     // Special case: when recording audio only, do not stop so that we can do voiceover.
 197     if (device_selector->currentIndex() == SCREENGRAB || (device_selector->currentIndex() == VIDEO4LINUX && !rec_video->isChecked())) return;
 198     slotStopCapture();
 199 }
 200
 201 void RecMonitor::start()
 202 {
 203     //slotStartPreview(true);
 204 }
 205
 206 void RecMonitor::slotConfigure()
 207 {
 208     emit showConfigDialog(4, device_selector->currentIndex());
 209 }
 210
 211 void RecMonitor::slotUpdateCaptureFolder(const QString &currentProjectFolder)
 212 {
 213     if (KdenliveSettings::capturetoprojectfolder()) m_capturePath = currentProjectFolder;
 214     else m_capturePath = KdenliveSettings::capturefolder();
 215     if (m_captureProcess) m_captureProcess->setWorkingDirectory(m_capturePath);
 216     if (m_captureProcess->state() != QProcess::NotRunning) {
 217         if (device_selector->currentIndex() == FIREWIRE)
 218             KMessageBox::information(this, i18n("You need to disconnect and reconnect in the capture monitor to apply your changes"), i18n("Capturing"));
 219         else KMessageBox::information(this, i18n("You need to stop capture before your changes can be applied"), i18n("Capturing"));
 220     } else slotVideoDeviceChanged(device_selector->currentIndex());
 221
 222     // update free space info
 223     slotUpdateFreeSpace();
 224 }
 225
 226 void RecMonitor::slotVideoDeviceChanged(int ix)
 227 {
 228     QString capturefile;
 229     QString capturename;
 230     m_previewSettings->setEnabled(ix == VIDEO4LINUX || ix == BLACKMAGIC);
 231     control_frame->setVisible(ix == VIDEO4LINUX);
 232     m_fwdAction->setVisible(ix == FIREWIRE);
 233     m_discAction->setVisible(ix == FIREWIRE);
 234     m_rewAction->setVisible(ix == FIREWIRE);
 235     m_recAction->setEnabled(ix != FIREWIRE);
 236     m_logger.setVisible(ix == BLACKMAGIC);
 237     if (m_captureDevice) {
 238         // MLT capture still running, abort
 239         m_monitorManager->clearScopeSource();
 240         m_captureDevice->stop();
 241         delete m_captureDevice;
 242         m_captureDevice = NULL;
 243     }
 244
 245     // The m_videoBox container has to be shown once before the MLT consumer is build, or preview will fail
 246     videoBox->setHidden(ix != VIDEO4LINUX && ix != BLACKMAGIC);
 247     videoBox->setHidden(true);
 248     switch (ix) {
 249     case SCREENGRAB:
 250         m_discAction->setEnabled(false);
 251         m_rewAction->setEnabled(false);
 252         m_fwdAction->setEnabled(false);
 253         m_stopAction->setEnabled(false);
 254         m_playAction->setEnabled(false);
 255         if (KdenliveSettings::ffmpegpath().isEmpty()) {
 256             QString exepath = KStandardDirs::findExe("ffmpeg");
 257             if (exepath.isEmpty()) {
 258                 // Check for libav version
 259                 exepath = KStandardDirs::findExe("avconv");
 260             }
 261             if (exepath.isEmpty()) video_frame->setPixmap(mergeSideBySide(KIcon("dialog-warning").pixmap(QSize(50, 50)), i18n("ffmpeg or avconv not found,\n please install it for screen grabs")));
 262             else KdenliveSettings::setFfmpegpath(exepath);
 263         }
 264         if (!KdenliveSettings::ffmpegpath().isEmpty()) video_frame->setPixmap(mergeSideBySide(KIcon("video-display").pixmap(QSize(50, 50)), i18n("Press record button\nto start screen capture\nFiles will be saved in:\n%1", m_capturePath)));
 265         //video_frame->setText(i18n("Press record button\nto start screen capture"));
 266         break;
 267     case VIDEO4LINUX:
 268         m_stopAction->setEnabled(false);
 269         m_playAction->setEnabled(true);
 270         checkDeviceAvailability();
 271         break;
 272     case BLACKMAGIC:
 273         m_stopAction->setEnabled(false);
 274         m_playAction->setEnabled(true);
 275         capturefile = m_capturePath;
 276         if (!capturefile.endsWith('/')) capturefile.append('/');
 277         capturename = KdenliveSettings::decklink_filename();
 278         capturename.append("xxx.");
 279         capturename.append(KdenliveSettings::decklink_extension());
 280         capturefile.append(capturename);
 281         video_frame->setPixmap(mergeSideBySide(KIcon("camera-photo").pixmap(QSize(50, 50)), i18n("Plug your camcorder and\npress play button\nto start preview.\nFiles will be saved in:\n%1", capturefile)));
 282         break;
 283     default: // FIREWIRE
 284         m_discAction->setEnabled(true);
 285         m_stopAction->setEnabled(false);
 286         m_playAction->setEnabled(false);
 287         m_rewAction->setEnabled(false);
 288         m_fwdAction->setEnabled(false);
 289
 290         // Check that dvgab is available
 291         if (KdenliveSettings::dvgrab_path().isEmpty()) {
 292             QString dvgrabpath = KStandardDirs::findExe("dvgrab");
 293             if (dvgrabpath.isEmpty()) video_frame->setPixmap(mergeSideBySide(KIcon("dialog-warning").pixmap(QSize(50, 50)), i18n("dvgrab utility not found,\n please install it for firewire capture")));
 294             else KdenliveSettings::setDvgrab_path(dvgrabpath);
 295         } else {
 296             // Show capture info
 297             capturefile = m_capturePath;
 298             if (!capturefile.endsWith('/')) capturefile.append('/');
 299             capturename = KdenliveSettings::dvgrabfilename();
 300             if (capturename.isEmpty()) capturename = "capture";
 301             QString extension;
 302             switch (KdenliveSettings::firewireformat()) {
 303             case 0:
 304                 extension = ".dv";
 305                 break;
 306             case 1:
 307             case 2:
 308                 extension = ".avi";
 309                 break;
 310             case 3:
 311                 extension = ".m2t";
 312                 break;
 313             }
 314             capturename.append("xxx" + extension);
 315             capturefile.append(capturename);
 316             video_frame->setPixmap(mergeSideBySide(KIcon("network-connect").pixmap(QSize(50, 50)), i18n("Plug your camcorder and\npress connect button\nto initialize connection\nFiles will be saved in:\n%1", capturefile)));
 317         }
 318         break;
 319     }
 320 }
 321
 322 void RecMonitor::slotSetInfoMessage(const QString &message)
 323 {
 324     m_logger.insertItem(0, message);
 325 }
 326
 327 QPixmap RecMonitor::mergeSideBySide(const QPixmap& pix, const QString &txt)
 328 {
 329     QPainter p;
 330     QRect r = QApplication::fontMetrics().boundingRect(QRect(0, 0, video_frame->width(), video_frame->height()), Qt::AlignLeft, txt);
 331     int strWidth = r.width();
 332     int strHeight = r.height();
 333     int pixWidth = pix.width();
 334     int pixHeight = pix.height();
 335     QPixmap res(strWidth + 8 + pixWidth, qMax(strHeight, pixHeight));
 336     res.fill(Qt::transparent);
 337     p.begin(&res);
 338     p.drawPixmap(0, 0, pix);
 339     p.setPen(kapp->palette().text().color());
 340     p.drawText(QRect(pixWidth + 8, 0, strWidth, strHeight), 0, txt);
 341     p.end();
 342     return res;
 343 }
 344
 345
 346 void RecMonitor::checkDeviceAvailability()
 347 {
 348     if (!KIO::NetAccess::exists(KUrl(KdenliveSettings::video4vdevice()), KIO::NetAccess::SourceSide , this)) {
 349         rec_video->setChecked(false);
 350         rec_video->setEnabled(false);
 351         video_frame->setPixmap(mergeSideBySide(KIcon("camera-web").pixmap(QSize(50, 50)), i18n("Cannot read from device %1\nPlease check drivers and access rights.", KdenliveSettings::video4vdevice())));
 352     } else {
 353         rec_video->setEnabled(true);
 354         video_frame->setPixmap(mergeSideBySide(KIcon("camera-web").pixmap(QSize(50, 50)), i18n("Press play or record button\nto start video capture\nFiles will be saved in:\n%1", m_capturePath)));
 355     }
 356 }
 357
 358 void RecMonitor::slotDisconnect()
 359 {
 360     if (m_captureProcess->state() == QProcess::NotRunning) {
 361         m_captureTime = KDateTime::currentLocalDateTime();
 362         kDebug() << "CURRENT TIME: " << m_captureTime.toString();
 363         m_didCapture = false;
 364         slotStartPreview(false);
 365         m_discAction->setIcon(KIcon("network-disconnect"));
 366         m_discAction->setText(i18n("Disconnect"));
 367         m_recAction->setEnabled(true);
 368         m_stopAction->setEnabled(true);
 369         m_playAction->setEnabled(true);
 370         m_rewAction->setEnabled(true);
 371         m_fwdAction->setEnabled(true);
 372     } else {
 373         m_captureProcess->write("q", 1);
 374         QTimer::singleShot(1000, m_captureProcess, SLOT(kill()));
 375         if (m_didCapture) manageCapturedFiles();
 376         m_didCapture = false;
 377     }
 378 }
 379
 380 void RecMonitor::slotRewind()
 381 {
 382     m_captureProcess->write("a", 1);
 383 }
 384
 385 void RecMonitor::slotForward()
 386 {
 387     m_captureProcess->write("z", 1);
 388 }
 389
 390 void RecMonitor::slotStopCapture()
 391 {
 392     // stop capture
 393     if (!m_isCapturing && !m_isPlaying) return;
 394     videoBox->setHidden(true);
 395     control_frame->setEnabled(true);
 396     slotActivateMonitor();
 397     switch (device_selector->currentIndex()) {
 398     case FIREWIRE:
 399         m_captureProcess->write("\e", 2);
 400         m_playAction->setIcon(m_playIcon);
 401         m_isPlaying = false;
 402         break;
 403     case SCREENGRAB:
 404         m_captureProcess->write("q\n", 3);
 405         //m_captureProcess->terminate();
 406         //video_frame->setText(i18n("Encoding captured video..."));
 407         QTimer::singleShot(1000, m_captureProcess, SLOT(kill()));
 408         break;
 409     case VIDEO4LINUX:
 410     case BLACKMAGIC:
 411         if (m_captureDevice) {
 412             m_captureDevice->stop();
 413         }
 414         m_previewSettings->setEnabled(true);
 415         m_isCapturing = false;
 416         m_isPlaying = false;
 417         m_playAction->setEnabled(true);
 418         m_stopAction->setEnabled(false);
 419         m_recAction->setEnabled(true);
 420         slotSetInfoMessage(i18n("Capture stopped"));
 421         m_isCapturing = false;
 422         m_recAction->setChecked(false);
 423         if (m_addCapturedClip->isChecked() && !m_captureFile.isEmpty() && QFile::exists(m_captureFile.path())) {
 424             emit addProjectClip(m_captureFile);
 425             m_captureFile.clear();
 426         }
 427         break;
 428     default:
 429         break;
 430     }
 431 }
 432
 433 void RecMonitor::slotStartPreview(bool play)
 434 {
 435     if (m_captureProcess->state() != QProcess::NotRunning) {
 436         if (device_selector->currentIndex() == FIREWIRE) {
 437             videoBox->setHidden(false);
 438             if (m_isPlaying) {
 439                 m_captureProcess->write("k", 1);
 440                 //captureProcess->write("\e", 2);
 441                 m_playAction->setIcon(m_playIcon);
 442                 m_isPlaying = false;
 443             } else {
 444                 m_captureProcess->write("p", 1);
 445                 m_playAction->setIcon(m_pauseIcon);
 446                 m_isPlaying = true;
 447             }
 448         }
 449         return;
 450     }
 451     slotActivateMonitor();
 452     if (m_isPlaying) return;
 453     m_captureArgs.clear();
 454     m_displayArgs.clear();
 455     m_isPlaying = false;
 456     QString capturename = KdenliveSettings::dvgrabfilename();
 457     QString path;
 458     MltVideoProfile profile;
 459     QString producer;
 460     QStringList dvargs = KdenliveSettings::dvgrabextra().simplified().split(' ', QString::SkipEmptyParts);
 461     int ix = device_selector->currentIndex();
 462     bool isXml;
 463     videoBox->setHidden(ix != VIDEO4LINUX && ix != BLACKMAGIC && ix != FIREWIRE);
 464     switch (ix) {
 465     case FIREWIRE:
 466         switch (KdenliveSettings::firewireformat()) {
 467         case 0:
 468             // RAW DV CAPTURE
 469             m_captureArgs << "--format" << "raw";
 470             m_displayArgs << "-f" << "dv";
 471             break;
 472         case 1:
 473             // DV type 1
 474             m_captureArgs << "--format" << "dv1";
 475             m_displayArgs << "-f" << "dv";
 476             break;
 477         case 2:
 478             // DV type 2
 479             m_captureArgs << "--format" << "dv2";
 480             m_displayArgs << "-f" << "dv";
 481             break;
 482         case 3:
 483             // HDV CAPTURE
 484             m_captureArgs << "--format" << "hdv";
 485             m_displayArgs << "-f" << "mpegts";
 486             break;
 487         }
 488         if (KdenliveSettings::firewireautosplit()) m_captureArgs << "--autosplit";
 489         if (KdenliveSettings::firewiretimestamp()) m_captureArgs << "--timestamp";
 490         if (!dvargs.isEmpty()) {
 491             m_captureArgs << dvargs;
 492         }
 493         m_captureArgs << "-i";
 494         if (capturename.isEmpty()) capturename = "capture";
 495         m_captureArgs << capturename << "-";
 496
 497         m_displayArgs << "-x" << QString::number(video_frame->width()) << "-y" << QString::number(video_frame->height()) << "-noframedrop" << "-";
 498
 499         m_captureProcess->setStandardOutputProcess(m_displayProcess);
 500         m_captureProcess->setWorkingDirectory(m_capturePath);
 501         kDebug() << "Capture: Running dvgrab " << m_captureArgs.join(" ");
 502
 503         m_captureProcess->start(KdenliveSettings::dvgrab_path(), m_captureArgs);
 504         if (play) m_captureProcess->write(" ", 1);
 505         m_discAction->setEnabled(true);
 506         break;
 507     case VIDEO4LINUX:
 508         path = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
 509         buildMltDevice(path);
 510         profile = ProfilesDialog::getVideoProfile(path);
 511         producer = getV4lXmlPlaylist(profile, &isXml);
 512
 513         //producer = QString("avformat-novalidate:video4linux2:%1?width:%2&height:%3&frame_rate:%4").arg(KdenliveSettings::video4vdevice()).arg(profile.width).arg(profile.height).arg((double) profile.frame_rate_num / profile.frame_rate_den);
 514         if (!m_captureDevice->slotStartPreview(producer, isXml)) {
 515             // v4l capture failed to start
 516             video_frame->setText(i18n("Failed to start Video4Linux,\ncheck your parameters..."));
 517             videoBox->setHidden(true);
 518
 519         } else {
 520             m_playAction->setEnabled(false);
 521             m_stopAction->setEnabled(true);
 522             m_isPlaying = true;
 523         }
 524
 525         break;
 526     case BLACKMAGIC:
 527         path = KdenliveSettings::current_profile();
 528         slotActivateMonitor();
 529         buildMltDevice(path);
 530         producer = QString("decklink:%1").arg(KdenliveSettings::decklink_capturedevice());
 531         if (!m_captureDevice->slotStartPreview(producer)) {
 532             // v4l capture failed to start
 533             video_frame->setText(i18n("Failed to start Decklink,\ncheck your parameters..."));
 534             videoBox->setHidden(true);
 535
 536         } else {
 537             m_playAction->setEnabled(false);
 538             m_stopAction->setEnabled(true);
 539             m_isPlaying = true;
 540         }
 541         break;
 542     default:
 543         break;
 544     }
 545
 546     control_frame->setEnabled(false);
 547
 548     if (device_selector->currentIndex() == FIREWIRE) {
 549         kDebug() << "Capture: Running ffplay " << m_displayArgs.join(" ");
 550         m_displayProcess->start(KdenliveSettings::ffplaypath(), m_displayArgs);
 551         //video_frame->setText(i18n("Initialising..."));
 552     } else {
 553         // do something when starting screen grab
 554     }
 555 }
 556
 557 void RecMonitor::slotRecord()
 558 {
 559     if (m_captureProcess->state() == QProcess::NotRunning && device_selector->currentIndex() == FIREWIRE) {
 560         slotStartPreview();
 561     }
 562     if (m_isCapturing) {
 563         // User stopped capture
 564         slotStopCapture();
 565         return;
 566     } else if (device_selector->currentIndex() == FIREWIRE) {
 567         m_isCapturing = true;
 568         m_didCapture = true;
 569         m_captureProcess->write("c\n", 3);
 570         m_spaceTimer.start();
 571         return;
 572     }
 573     if (m_captureProcess->state() == QProcess::NotRunning) {
 574         m_logger.clear();
 575         m_recAction->setChecked(true);
 576         QString extension = "mpg";
 577         if (device_selector->currentIndex() == SCREENGRAB) {
 578             extension = KdenliveSettings::grab_extension();
 579         }
 580         else if (device_selector->currentIndex() == VIDEO4LINUX) {
 581             // TODO: when recording audio only, allow configuration?
 582             if (!rec_video->isChecked()) extension = "wav";
 583             else extension = KdenliveSettings::v4l_extension();
 584         }
 585         else if (device_selector->currentIndex() == BLACKMAGIC) extension = KdenliveSettings::decklink_extension();
 586         QString path = KUrl(m_capturePath).path(KUrl::AddTrailingSlash) + "capture0000." + extension;
 587         int i = 1;
 588         while (QFile::exists(path)) {
 589             QString num = QString::number(i).rightJustified(4, '0', false);
 590             path = KUrl(m_capturePath).path(KUrl::AddTrailingSlash) + "capture" + num + '.' + extension;
 591             i++;
 592         }
 593         m_captureFile = KUrl(path);
 594
 595         m_captureArgs.clear();
 596         m_displayArgs.clear();
 597         QString args;
 598         QString playlist;
 599         QString v4lparameters;
 600         QStringList grabParameters;
 601         MltVideoProfile profile;
 602         bool showPreview;
 603         bool isXml;
 604         QString captureSize;
 605         QRect screenSize = QApplication::desktop()->screenGeometry();
 606         QString capturename = KdenliveSettings::dvgrabfilename();
 607         if (capturename.isEmpty()) capturename = "capture";
 608
 609         switch (device_selector->currentIndex()) {
 610         case VIDEO4LINUX:
 611             if (rec_video->isChecked()) slotActivateMonitor();
 612             path = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
 613             profile = ProfilesDialog::getVideoProfile(path);
 614             //m_videoBox->setRatio((double) profile.display_aspect_num / profile.display_aspect_den);
 615             buildMltDevice(path);
 616             playlist = getV4lXmlPlaylist(profile, &isXml);
 617
 618             v4lparameters = KdenliveSettings::v4l_parameters();
 619
 620             // TODO: when recording audio only, allow param configuration?
 621             if (!rec_video->isChecked()) v4lparameters.clear();
 622
 623             // Add alsa audio capture
 624             if (!rec_audio->isChecked()) {
 625                 // if we do not want audio, make sure that we don't have audio encoding parameters
 626                 // this is required otherwise the MLT avformat consumer will not close properly
 627                 if (v4lparameters.contains("acodec")) {
 628                     QString endParam = v4lparameters.section("acodec", 1);
 629                     int vcodec = endParam.indexOf(" vcodec");
 630                     int format = endParam.indexOf(" f=");
 631                     int cutPosition = -1;
 632                     if (vcodec > -1) {
 633                         if (format  > -1) {
 634                             cutPosition = qMin(vcodec, format);
 635                         }
 636                         else cutPosition = vcodec;
 637                     }
 638                     else if (format  > -1) {
 639                         cutPosition = format;
 640                     }
 641                     else {
 642                         // nothing interesting in end params
 643                         endParam.clear();
 644                     }
 645                     if (cutPosition > -1) {
 646                         endParam.remove(0, cutPosition);
 647                     }
 648                     v4lparameters = QString(v4lparameters.section("acodec", 0, 0) + "an=1 " + endParam).simplified();
 649                 }
 650             }
 651
 652             showPreview = m_previewSettings->isChecked();
 653             if (!rec_video->isChecked()) showPreview = false;
 654
 655             if (m_captureDevice->slotStartCapture(v4lparameters, m_captureFile.path(), playlist, showPreview, isXml)) {
 656                 videoBox->setHidden(false);
 657                 m_isCapturing = true;
 658                 m_recAction->setEnabled(false);
 659                 m_stopAction->setEnabled(true);
 660                 m_previewSettings->setEnabled(false);
 661                 control_frame->setEnabled(false);
 662             }
 663             else {
 664                 video_frame->setText(i18n("Failed to start Video4Linux,\ncheck your parameters..."));
 665                 videoBox->setHidden(true);
 666                 m_recAction->blockSignals(true);
 667                 m_recAction->setChecked(false);
 668                 m_recAction->blockSignals(false);
 669                 m_isCapturing = false;
 670             }
 671             break;
 672
 673         case BLACKMAGIC:
 674             slotActivateMonitor();
 675             path = KdenliveSettings::current_profile();
 676             profile = ProfilesDialog::getVideoProfile(path);
 677             //m_videoBox->setRatio((double) profile.display_aspect_num / profile.display_aspect_den);
 678             buildMltDevice(path);
 679
 680             playlist = QString("<producer id=\"producer0\" in=\"0\" out=\"99999\"><property name=\"mlt_type\">producer</property><property name=\"length\">100000</property><property name=\"eof\">pause</property><property name=\"resource\">%1</property><property name=\"mlt_service\">decklink</property></producer>").arg(KdenliveSettings::decklink_capturedevice());
 681
 682             if (m_captureDevice->slotStartCapture(KdenliveSettings::decklink_parameters(), m_captureFile.path(), QString("decklink:%1").arg(KdenliveSettings::decklink_capturedevice()), m_previewSettings->isChecked(), false)) {
 683                 videoBox->setHidden(false);
 684                 m_isCapturing = true;
 685                 slotSetInfoMessage(i18n("Capturing to %1", m_captureFile.fileName()));
 686                 m_recAction->setEnabled(false);
 687                 m_stopAction->setEnabled(true);
 688                 m_previewSettings->setEnabled(false);
 689             }
 690             else {
 691                 video_frame->setText(i18n("Failed to start Decklink,\ncheck your parameters..."));
 692                 slotSetInfoMessage(i18n("Failed to start capture"));
 693                 videoBox->setHidden(true);
 694                 m_isCapturing = false;
 695             }
 696             break;
 697
 698         case SCREENGRAB:
 699             m_captureArgs << "-f" << "x11grab";
 700             if (KdenliveSettings::grab_follow_mouse()) m_captureArgs << "-follow_mouse" << "centered";
 701             if (!KdenliveSettings::grab_hide_frame()) m_captureArgs << "-show_region" << "1";
 702             if (KdenliveSettings::grab_capture_type() == 0) {
 703                 // Full screen capture
 704                 captureSize = ":0.0";
 705                 m_captureArgs << "-s" << QString::number(screenSize.width()) + "x" + QString::number(screenSize.height());
 706             } else {
 707                 // Region capture
 708                 m_captureArgs << "-s" << QString::number(KdenliveSettings::grab_width()) + "x" + QString::number(KdenliveSettings::grab_height());
 709                 captureSize = ":" + QString::number(KdenliveSettings::grab_offsetx()) + "." + QString::number(KdenliveSettings::grab_offsetx());
 710             }
 711             // fps
 712             m_captureArgs << "-r" << QString::number(KdenliveSettings::grab_fps());
 713             if (KdenliveSettings::grab_hide_mouse()) captureSize.append("+nomouse");
 714             m_captureArgs << "-i" << captureSize;
 715             grabParameters = KdenliveSettings::grab_parameters().simplified().split(" ");
 716             m_captureArgs << grabParameters;
 717             m_captureArgs << path;
 718
 719             m_isCapturing = true;
 720             /*if (KdenliveSettings::rmd_capture_audio()) {
 721                 m_captureArgs << "--freq" << KdenliveSettings::rmd_freq();
 722                 m_captureArgs << "--channels" << QString::number(KdenliveSettings::rmd_audio_channels());
 723                 if (KdenliveSettings::rmd_use_jack()) {
 724                     m_captureArgs << "--use-jack";
 725                     QStringList ports = KdenliveSettings::rmd_jackports().split(' ', QString::SkipEmptyParts);
 726                     for (int i = 0; i < ports.count(); ++i) {
 727                         m_captureArgs << ports.at(i);
 728                     }
 729                     if (KdenliveSettings::rmd_jack_buffer() > 0.0)
 730                         m_captureArgs << "--ring-buffer-size" << QString::number(KdenliveSettings::rmd_jack_buffer());
 731                 } else {
 732                     if (!KdenliveSettings::rmd_alsadevicename().isEmpty())
 733                         m_captureArgs << "--device" << KdenliveSettings::rmd_alsadevicename();
 734                     if (KdenliveSettings::rmd_alsa_buffer() > 0)
 735                         m_captureArgs << "--buffer-size" << QString::number(KdenliveSettings::rmd_alsa_buffer());
 736                 }
 737             } else m_captureArgs << "--no-sound";*/
 738
 739             m_captureProcess->start(KdenliveSettings::ffmpegpath(), m_captureArgs);
 740             //kDebug() << "// Screen grab params: " << m_captureArgs;
 741             break;
 742         default:
 743             break;
 744         }
 745
 746
 747         if (device_selector->currentIndex() == FIREWIRE) {
 748             m_isCapturing = true;
 749             kDebug() << "Capture: Running ffplay " << m_displayArgs.join(" ");
 750             m_displayProcess->start(KdenliveSettings::ffplaypath(), m_displayArgs);
 751             video_frame->setText(i18n("Initialising..."));
 752         }
 753     } else {
 754         // stop capture
 755         m_displayProcess->kill();
 756         //captureProcess->kill();
 757         QTimer::singleShot(1000, this, SLOT(slotRecord()));
 758     }
 759 }
 760
 761 const QString RecMonitor::getV4lXmlPlaylist(MltVideoProfile profile, bool *isXml)
 762 {
 763     QString playlist;
 764     if (rec_video->isChecked() && rec_audio->isChecked()) {
 765         // We want to capture audio and video, use xml playlist
 766         *isXml = true;
 767         playlist = QString("<mlt title=\"capture\" LC_NUMERIC=\"C\"><profile description=\"v4l\" width=\"%1\" height=\"%2\" progressive=\"%3\" sample_aspect_num=\"%4\" sample_aspect_den=\"%5\" display_aspect_num=\"%6\" display_aspect_den=\"%7\" frame_rate_num=\"%8\" frame_rate_den=\"%9\" colorspace=\"%10\"/>").arg(profile.width).arg(profile.height).arg(profile.progressive).arg(profile.sample_aspect_num).arg(profile.sample_aspect_den).arg(profile.display_aspect_num).arg(profile.display_aspect_den).arg(profile.frame_rate_num).arg(profile.frame_rate_den).arg(profile.colorspace);
 768
 769         playlist.append(QString("<producer id=\"producer0\" in=\"0\" out=\"999999\"><property name=\"mlt_type\">producer</property><property name=\"length\">1000000</property><property name=\"eof\">loop</property><property name=\"resource\">video4linux2:%1?width:%2&amp;height:%3&amp;frame_rate:%4</property><property name=\"mlt_service\">avformat-novalidate</property></producer><playlist id=\"playlist0\"><entry producer=\"producer0\" in=\"0\" out=\"999999\"/></playlist>").arg(KdenliveSettings::video4vdevice()).arg(profile.width).arg(profile.height).arg((double) profile.frame_rate_num / profile.frame_rate_den));
 770
 771         playlist.append(QString("<producer id=\"producer1\" in=\"0\" out=\"999999\"><property name=\"mlt_type\">producer</property><property name=\"length\">1000000</property><property name=\"resource\">alsa:%1?channels=%2</property><property name=\"audio_index\">0</property><property name=\"video_index\">-1</property><property name=\"mlt_service\">avformat-novalidate</property></producer><playlist id=\"playlist1\"><entry producer=\"producer1\" in=\"0\" out=\"999999\"/></playlist>").arg(KdenliveSettings::v4l_alsadevicename()).arg(KdenliveSettings::alsachannels()));
 772
 773         playlist.append("<tractor id=\"tractor0\" title=\"video0\" global_feed=\"1\" in=\"0\" out=\"999999\">");
 774         playlist.append("<track producer=\"playlist0\"/><track producer=\"playlist1\"/>");
 775         playlist.append("</tractor></mlt>");
 776     }
 777     else if (rec_audio->isChecked()) {
 778         // Audio only recording
 779         *isXml = false;
 780         playlist =QString("alsa:%1?channels=%2").arg(KdenliveSettings::v4l_alsadevicename()).arg(KdenliveSettings::alsachannels());
 781     }
 782     else {
 783         // Video only recording
 784         *isXml = false;
 785         playlist =QString("video4linux2:%1?width:%2&amp;height:%3&amp;frame_rate:%4").arg(KdenliveSettings::video4vdevice()).arg(profile.width).arg(profile.height).arg((double) profile.frame_rate_num / profile.frame_rate_den);
 786
 787     }
 788
 789     return playlist;
 790 }
 791
 792 /*
 793 void RecMonitor::slotStartGrab(const QRect &rect) {
 794     rgnGrab->deleteLater();
 795     QApplication::restoreOverrideCursor();
 796     show();
 797     if (rect.isNull()) return;
 798     int width = rect.width();
 799     int height = rect.height();
 800     if (width % 2 != 0) width--;
 801     if (height % 2 != 0) height--;
 802     QString args = KdenliveSettings::screengrabcapture().replace("%size", QString::number(width) + "x" + QString::number(height)).replace("%offset", "+" + QString::number(rect.x()) + "," + QString::number(rect.y()));
 803     if (KdenliveSettings::screengrabenableaudio()) {
 804         // also capture audio
 805         if (KdenliveSettings::useosscapture()) m_captureArgs << KdenliveSettings::screengrabosscapture().simplified().split(' ');
 806         else m_captureArgs << KdenliveSettings::screengrabalsacapture2().simplified().split(' ');
 807     }
 808     m_captureArgs << args.simplified().split(' ') << KdenliveSettings::screengrabencoding().simplified().split(' ') << m_captureFile.path();
 809     m_isCapturing = true;
 810     video_frame->setText(i18n("Capturing..."));
 811     if (KdenliveSettings::screengrabenableaudio() && !KdenliveSettings::useosscapture()) {
 812         QStringList alsaArgs = KdenliveSettings::screengrabalsacapture().simplified().split(' ');
 813         alsaProcess->setStandardOutputProcess(captureProcess);
 814         kDebug() << "Capture: Running arecord " << alsaArgs.join(" ");
 815         alsaProcess->start("arecord", alsaArgs);
 816     }
 817     kDebug() << "Capture: Running ffmpeg " << m_captureArgs.join(" ");
 818     captureProcess->start(KdenliveSettings::ffmpegpath(), m_captureArgs);
 819 }*/
 820
 821 void RecMonitor::slotProcessStatus(QProcess::ProcessState status)
 822 {
 823     if (status == QProcess::NotRunning) {
 824         m_displayProcess->kill();
 825         if (m_isCapturing && device_selector->currentIndex() != FIREWIRE)
 826             if (m_addCapturedClip->isChecked() && !m_captureFile.isEmpty() && QFile::exists(m_captureFile.path())) {
 827                 emit addProjectClip(m_captureFile);
 828                 m_captureFile.clear();
 829             }
 830         if (device_selector->currentIndex() == FIREWIRE) {
 831             m_discAction->setIcon(KIcon("network-connect"));
 832             m_discAction->setText(i18n("Connect"));
 833             m_playAction->setEnabled(false);
 834             m_rewAction->setEnabled(false);
 835             m_fwdAction->setEnabled(false);
 836             m_recAction->setEnabled(false);
 837         }
 838         m_isPlaying = false;
 839         m_playAction->setIcon(m_playIcon);
 840         m_recAction->setChecked(false);
 841         m_stopAction->setEnabled(false);
 842         device_selector->setEnabled(true);
 843         if (m_captureProcess && m_captureProcess->exitStatus() == QProcess::CrashExit) {
 844             video_frame->setText(i18n("Capture crashed, please check your parameters"));
 845         } else {
 846             if (device_selector->currentIndex() != SCREENGRAB) {
 847                 video_frame->setText(i18n("Not connected"));
 848             } else {
 849                 if (m_captureProcess->exitCode() != 0) {
 850                     video_frame->setText(i18n("Capture crashed, please check your parameters\nRecordMyDesktop exit code: %1", QString::number(m_captureProcess->exitCode())));
 851                 } else {
 852                     video_frame->setPixmap(mergeSideBySide(KIcon("video-display").pixmap(QSize(50, 50)), i18n("Press record button\nto start screen capture\nFiles will be saved in:\n%1", m_capturePath)));
 853                 }
 854             }
 855         }
 856         m_isCapturing = false;
 857
 858         m_spaceTimer.stop();
 859         // update free space info
 860         slotUpdateFreeSpace();
 861     } else {
 862         if (device_selector->currentIndex() != SCREENGRAB) m_stopAction->setEnabled(true);
 863         device_selector->setEnabled(false);
 864     }
 865 }
 866
 867 void RecMonitor::manageCapturedFiles()
 868 {
 869     QString extension;
 870     switch (KdenliveSettings::firewireformat()) {
 871     case 0:
 872         extension = ".dv";
 873         break;
 874     case 1:
 875     case 2:
 876         extension = ".avi";
 877         break;
 878     case 3:
 879         extension = ".m2t";
 880         break;
 881     }
 882     QDir dir(m_capturePath);
 883     QStringList filters;
 884     QString capturename = KdenliveSettings::dvgrabfilename();
 885     if (capturename.isEmpty()) capturename = "capture";
 886     filters << capturename + '*' + extension;
 887     const QStringList result = dir.entryList(filters, QDir::Files, QDir::Time);
 888     KUrl::List capturedFiles;
 889     foreach(const QString & name, result) {
 890         KUrl url = KUrl(dir.filePath(name));
 891         if (KIO::NetAccess::exists(url, KIO::NetAccess::SourceSide, this)) {
 892             KFileItem file(KFileItem::Unknown, KFileItem::Unknown, url, true);
 893             if (file.time(KFileItem::ModificationTime) > m_captureTime) {
 894                 // The file was captured in the last batch
 895                 if (url.fileName().contains(':')) {
 896                     // Several dvgrab options (--timecode,...) use : in the file name, which is
 897                     // not supported by MLT, so rename them
 898                     QString newUrl = url.directory(KUrl::AppendTrailingSlash) + url.fileName().replace(':', '_');
 899                     if (QFile::rename(url.path(), newUrl)) {
 900                         url = KUrl(newUrl);
 901                     }
 902
 903                 }
 904                 capturedFiles.append(url);
 905             }
 906         }
 907     }
 908     kDebug() << "Found : " << capturedFiles.count() << " new capture files";
 909     kDebug() << capturedFiles;
 910
 911     if (capturedFiles.count() > 0) {
 912         QPointer<ManageCapturesDialog> d = new ManageCapturesDialog(capturedFiles, this);
 913         if (d->exec() == QDialog::Accepted) {
 914             emit addProjectClipList(d->importFiles());
 915         }
 916         delete d;
 917     }
 918 }
 919
 920 // virtual
 921 void RecMonitor::mousePressEvent(QMouseEvent *event)
 922 {
 923     if (m_freeSpace->underMouse()) slotUpdateFreeSpace();
 924     else QWidget::mousePressEvent(event);//m_videoBox->mousePressEvent(event);
 925 }
 926
 927 void RecMonitor::slotUpdateFreeSpace()
 928 {
 929     KDiskFreeSpaceInfo info = KDiskFreeSpaceInfo::freeSpaceInfo(m_capturePath);
 930     if (info.isValid() && info.size() > 0) {
 931         m_freeSpace->setValue(100 * info.used() / info.size());
 932         m_freeSpace->setText(i18n("Free space: %1", KIO::convertSize(info.available())));
 933         m_freeSpace->update();
 934     }
 935 }
 936
 937 void RecMonitor::refreshRecMonitor(bool visible)
 938 {
 939     if (visible) {
 940         //if (!m_isActive) activateMonitor();
 941
 942     }
 943 }
 944
 945 void RecMonitor::slotPlay()
 946 {
 947     /*if (m_isPlaying) slotStopCapture();
 948     else slotStartPreview(true);*/
 949 }
 950
 951 void RecMonitor::slotReadDvgrabInfo()
 952 {
 953     QString data = m_captureProcess->readAllStandardError().simplified();
 954     data = data.section('"', 2, 2).simplified();
 955     m_dvinfo.setText(data.left(11));
 956     m_dvinfo.updateGeometry();
 957 }
 958
 959 AbstractRender *RecMonitor::abstractRender()
 960 {
 961     return m_captureDevice;
 962 }
 963
 964
 965 void RecMonitor::analyseFrames(bool analyse)
 966 {
 967     m_analyse = analyse;
 968     if (m_captureDevice) m_captureDevice->sendFrameForAnalysis = analyse;
 969 }
 970
 971 void RecMonitor::slotDroppedFrames(int dropped)
 972 {
 973     slotSetInfoMessage(i18n("%1 dropped frames", dropped));
 974 }
 975
 976 void RecMonitor::buildMltDevice(const QString &path)
 977 {
 978     if (m_captureDevice == NULL) {
 979         m_monitorManager->updateScopeSource();
 980         m_captureDevice = new MltDeviceCapture(path, videoSurface, this);
 981         connect(m_captureDevice, SIGNAL(droppedFrames(int)), this, SLOT(slotDroppedFrames(int)));
 982         m_captureDevice->sendFrameForAnalysis = m_analyse;
 983         m_monitorManager->updateScopeSource();
 984     }
 985 }
 986
 987 void RecMonitor::slotChangeRecordingPreview(bool enable)
 988 {
 989     KdenliveSettings::setEnable_recording_preview(enable);
 990 }
 991
 992
 993 void RecMonitor::slotMouseSeek(int /*eventDelta*/, bool /*fast*/)
 994 {
 995 }
 996
 997
 998 #include "recmonitor.moc"
 999