~ubuntu-branches/ubuntu/wily/smplayer/wily

Viewing changes to src/videopreview/videopreview.cpp

Committer: Bazaar Package Importer
Author(s): Maia Kozheva
Date: 2009-03-31 23:05:43 UTC
mfrom: (1.2.2 upstream)
mto: This revision was merged to the branch mainline in revision 14.
Revision ID: james.westby@ubuntu.com-20090331230543-0h2hfwpwlu9opbv2

http://bugs.debian.org/523791

http://bugs.debian.org/503295

http://bugs.debian.org/486314

http://bugs.debian.org/489375

* New upstream release. (Closes: #523791)
  - Reworked subtitle font preferences. (Closes: #503295)
  - No longer installs qt_fr.qm. (Closes: #486314)
* debian/control:
  - Bumped Standards-Version to 3.8.1.
  - Changed maintainer name (still the same person and GPG key).
  - Changed section to video.
  - Build-depend on zlib1g-dev for findsubtitles.
  - Require Qt >= 4.3 per readme.
  - Added ${misc:Depends}.
  - Make smplayer-translations depend on smplayer and smplayer recommend
    smplayer-translations, not the other way round. (Closes: #489375)
* debian/copyright:
  - Significantly expanded per-file with new upstream authors.
* debian/rules:
  - Make make use correct uic in install.
  - Clean svn_revision.
  - Removed get-orig-source - not needed with uscan --repack.
* debian/patches/01_gl_translation.patch:
  - Added patch to fix lrelease error on smplayer_gl.ts.
* Added debian/README.source for simple-patchsys.

files added:
Audio_equalizer.txt

Configuring_the_toolbars.txt

Finding_subtitles.txt

Portable_Edition.txt

compile_windows_portable.bat

debian/README.source

debian/patches

debian/patches/01_gl_translation.patch

docs/cs

docs/cs/faq.html

docs/cs/gpl.html

docs/nl

docs/nl/gpl.html

dvdmenus.txt

dxlist

dxlist/README.txt

dxlist/directx

dxlist/directx/README.txt

dxlist/dxlist.pro

dxlist/main.cpp

setup/smplayer-installer.nsi

setup/smplayer_orig.ini

src/assstyles.cpp

src/assstyles.h

src/audioequalizer.cpp

src/audioequalizer.h

src/audioequalizerlist.h

src/colorutils.cpp

src/colorutils.h

src/config.h

src/constants.h

src/core.cpp

src/core.h

src/desktopinfo.cpp

src/desktopinfo.h

src/deviceinfo.cpp

src/deviceinfo.h

src/discname.cpp

src/discname.h

src/filesettings.cpp

src/filesettings.h

src/filesettingsbase.cpp

src/filesettingsbase.h

src/filesettingshash.cpp

src/filesettingshash.h

src/findsubtitles

src/findsubtitles/filedownloader

src/findsubtitles/filedownloader/filedownloader.cpp

src/findsubtitles/filedownloader/filedownloader.h

src/findsubtitles/filedownloader/filedownloader.pro

src/findsubtitles/filedownloader/main.cpp

src/findsubtitles/findsubtitles.pro

src/findsubtitles/findsubtitlesconfigdialog.cpp

src/findsubtitles/findsubtitlesconfigdialog.h

src/findsubtitles/findsubtitlesconfigdialog.ui

src/findsubtitles/findsubtitleswindow.cpp

src/findsubtitles/findsubtitleswindow.h

src/findsubtitles/findsubtitleswindow.ui

src/findsubtitles/main.cpp

src/findsubtitles/osparser.cpp

src/findsubtitles/osparser.h

src/findsubtitles/quazip

src/findsubtitles/quazip/COPYING

src/findsubtitles/quazip/COPYING.LGPL

src/findsubtitles/quazip/COPYING.readme

src/findsubtitles/quazip/README

src/findsubtitles/quazip/crypt.h

src/findsubtitles/quazip/ioapi.c

src/findsubtitles/quazip/ioapi.h

src/findsubtitles/quazip/quazip.cpp

src/findsubtitles/quazip/quazip.h

src/findsubtitles/quazip/quazip.pro

src/findsubtitles/quazip/quazipfile.cpp

src/findsubtitles/quazip/quazipfile.h

src/findsubtitles/quazip/quazipfileinfo.h

src/findsubtitles/quazip/quazipnewinfo.cpp

src/findsubtitles/quazip/quazipnewinfo.h

src/findsubtitles/quazip/unzip.c

src/findsubtitles/quazip/unzip.h

src/findsubtitles/quazip/zip.c

src/findsubtitles/quazip/zip.h

src/findsubtitles/simplehttp.cpp

src/findsubtitles/simplehttp.h

src/findsubtitles/subchooserdialog.cpp

src/findsubtitles/subchooserdialog.h

src/findsubtitles/subchooserdialog.ui

src/global.cpp

src/global.h

src/helper.cpp

src/helper.h

src/icons-png/audio_equalizer.png

src/icons-png/flip.png

src/icons-png/mirror.png

src/icons-png/play_pause.png

src/infoprovider.cpp

src/infoprovider.h

src/languages

src/languages.cpp

src/languages.h

src/languages/list.txt

src/languages/main.cpp

src/languages/process_list.pro

src/mediadata.cpp

src/mediadata.h

src/mediasettings.cpp

src/mediasettings.h

src/mpcgui

src/mpcgui/mpc_mono.png

src/mpcgui/mpc_stereo.png

src/mpcgui/mpc_toolbar.png

src/mpcgui/mpcgui.cpp

src/mpcgui/mpcgui.h

src/mpcgui/mpcstyles.cpp

src/mpcgui/mpcstyles.h

src/mplayerprocess.cpp

src/mplayerprocess.h

src/mplayerversion.cpp

src/mplayerversion.h

src/mplayerwindow.cpp

src/mplayerwindow.h

src/myprocess.cpp

src/myprocess.h

src/paths.cpp

src/paths.h

src/preferences.cpp

src/preferences.h

src/prefplaylist.cpp

src/prefplaylist.h

src/prefplaylist.ui

src/screensaver.cpp

src/screensaver.h

src/selectcolorbutton.cpp

src/selectcolorbutton.h

src/shortcuts/sda.keys

src/subtracks.cpp

src/subtracks.h

src/titletracks.cpp

src/titletracks.h

src/toolbareditor.cpp

src/toolbareditor.h

src/tracks.cpp

src/tracks.h

src/translations/smplayer_ar_SY.ts

src/translations/smplayer_gl.ts

src/translations/smplayer_ku.ts

src/translations/smplayer_sl_SI.ts

src/urlhistory.cpp

src/urlhistory.h

src/videopreview

src/videopreview/async.diff

src/videopreview/main.cpp

src/videopreview/videopreview.cpp

src/videopreview/videopreview.h

src/videopreview/videopreview.pro

src/videopreview/videopreviewconfigdialog.cpp

src/videopreview/videopreviewconfigdialog.h

src/videopreview/videopreviewconfigdialog.ui

files removed:
debian-rvm/cron.d.ex

debian-rvm/emacsen-install.ex

debian-rvm/emacsen-remove.ex

debian-rvm/emacsen-startup.ex

debian-rvm/init.d.ex

debian-rvm/manpage.1.ex

debian-rvm/manpage.sgml.ex

debian-rvm/manpage.xml.ex

debian-rvm/postinst.ex

debian-rvm/postrm.ex

debian-rvm/preinst.ex

debian-rvm/prerm.ex

debian-rvm/smplayer-default.ex

debian-rvm/smplayer.doc-base.EX

debian-rvm/watch.ex

setup/smplayer_lite.iss

src/corelib/config.h

src/corelib/constants.h

src/corelib/core.cpp

src/corelib/core.h

src/corelib/desktopinfo.cpp

src/corelib/desktopinfo.h

src/corelib/global.cpp

src/corelib/global.h

src/corelib/helper.cpp

src/corelib/helper.h

src/corelib/infoprovider.cpp

src/corelib/infoprovider.h

src/corelib/mediadata.cpp

src/corelib/mediadata.h

src/corelib/mediasettings.cpp

src/corelib/mediasettings.h

src/corelib/mplayerprocess.cpp

src/corelib/mplayerprocess.h

src/corelib/mplayerversion.cpp

src/corelib/mplayerversion.h

src/corelib/mplayerwindow.cpp

src/corelib/mplayerwindow.h

src/corelib/myprocess.cpp

src/corelib/myprocess.h

src/corelib/preferences.cpp

src/corelib/preferences.h

src/corelib/screensaver.cpp

src/corelib/screensaver.h

src/corelib/subtracks.cpp

src/corelib/subtracks.h

src/corelib/trackdata.cpp

src/corelib/trackdata.h

src/corelib/tracks.cpp

src/corelib/tracks.h

src/encodings.cpp

src/encodings.h

src/old-code

src/old-code/aboutdialog.cpp

src/old-code/aboutdialog.h

src/old-code/floatingcontrol.cpp

src/old-code/floatingcontrol.h

src/old-code/main.cpp

src/translations/qt_fr.qm

src/translations/qt_fr.ts

files modified:
Changelog

Install.txt

Makefile

Readme.txt

Release_notes.txt

clean_windows.bat

compile_windows_with_qxt.bat

create_deb.sh

create_rpm.sh

debian-rvm/changelog-orig

debian-rvm/control

debian-rvm/docs

debian-rvm/rules

debian/changelog

debian/control

debian/copyright

debian/rules

docs/en/faq.html

docs/ja/faq.html

get_svn_revision.sh

getrev/getrev.pro

man/smplayer.1

setup/install_smplayer.bat

setup/smplayer.iss

smplayer.desktop

smplayer.spec

smplayer_enqueue.desktop

src/about.cpp

src/about.h

src/about.ui

src/actionseditor.cpp

src/actionseditor.h

src/basegui.cpp

src/basegui.h

src/baseguiplus.cpp

src/baseguiplus.h

src/clhelp.cpp

src/clhelp.h

src/corelib/smplayercore.pro

src/defaultgui.cpp

src/defaultgui.h

src/eqslider.cpp

src/eqslider.h

src/eqslider.ui

src/errordialog.cpp

src/errordialog.h

src/errordialog.ui

src/extensions.cpp

src/extensions.h

src/filechooser.cpp

src/filechooser.h

src/filechooser.ui

src/filedialog.cpp

src/filedialog.h

src/filepropertiesdialog.cpp

src/filepropertiesdialog.h

src/filepropertiesdialog.ui

src/floatingwidget.cpp

src/floatingwidget.h

src/guiconfig.h

src/icons.qrc

src/images.cpp

src/images.h

src/infofile.cpp

src/infofile.h

src/inforeader.cpp

src/inforeader.h

src/input.conf

src/inputdvddirectory.cpp

src/inputdvddirectory.h

src/inputdvddirectory.ui

src/inputmplayerversion.cpp

src/inputmplayerversion.h

src/inputmplayerversion.ui

src/inputurl.cpp

src/inputurl.h

src/inputurl.ui

src/logwindow.cpp

src/logwindow.h

src/logwindowbase.ui

src/main.cpp

src/minigui.cpp

src/minigui.h

src/myaction.cpp

src/myaction.h

src/myactiongroup.cpp

src/myactiongroup.h

src/myclient.cpp

src/myclient.h

src/mycombobox.cpp

src/mycombobox.h

src/myserver.cpp

src/myserver.h

src/myslider.cpp

src/myslider.h

src/mytablewidget.cpp

src/mytablewidget.h

src/playlist.cpp

src/playlist.h

src/playlistdock.cpp

src/playlistdock.h

src/playlistpreferences.cpp

src/playlistpreferences.h

src/playlistpreferences.ui

src/prefadvanced.cpp

src/prefadvanced.h

src/prefadvanced.ui

src/prefassociations.cpp

src/prefassociations.h

src/prefassociations.ui

src/prefdrives.cpp

src/prefdrives.h

src/prefdrives.ui

src/preferencesdialog.cpp

src/preferencesdialog.h

src/preferencesdialog.ui

src/prefgeneral.cpp

src/prefgeneral.h

src/prefgeneral.ui

src/prefinput.cpp

src/prefinput.h

src/prefinput.ui

src/prefinterface.cpp

src/prefinterface.h

src/prefinterface.ui

src/prefperformance.cpp

src/prefperformance.h

src/prefperformance.ui

src/prefsubtitles.cpp

src/prefsubtitles.h

src/prefsubtitles.ui

src/prefwidget.cpp

src/prefwidget.h

src/recents.cpp

src/recents.h

src/seekwidget.cpp

src/seekwidget.h

src/seekwidget.ui

src/shortcutgetter.cpp

src/shortcutgetter.h

src/shortcuts/default.keys

src/smplayer.cpp

src/smplayer.h

src/smplayer.pro

src/timedialog.cpp

src/timedialog.h

src/timedialog.ui

src/timeslider.cpp

src/timeslider.h

src/translations/smplayer_bg.ts

src/translations/smplayer_ca.ts

src/translations/smplayer_cs.ts

src/translations/smplayer_de.ts

src/translations/smplayer_el_GR.ts

src/translations/smplayer_en_US.ts

src/translations/smplayer_es.ts

src/translations/smplayer_eu.ts

src/translations/smplayer_fi.ts

src/translations/smplayer_fr.ts

src/translations/smplayer_hu.ts

src/translations/smplayer_it.ts

src/translations/smplayer_ja.ts

src/translations/smplayer_ka.ts

src/translations/smplayer_ko.ts

src/translations/smplayer_mk.ts

src/translations/smplayer_nl.ts

src/translations/smplayer_pl.ts

src/translations/smplayer_pt_BR.ts

src/translations/smplayer_pt_PT.ts

src/translations/smplayer_ro_RO.ts

src/translations/smplayer_ru_RU.ts

src/translations/smplayer_sk.ts

src/translations/smplayer_sr.ts

src/translations/smplayer_sv.ts

src/translations/smplayer_tr.ts

src/translations/smplayer_uk_UA.ts

src/translations/smplayer_zh_CN.ts

src/translations/smplayer_zh_TW.ts

src/translator.cpp

src/translator.h

src/tristatecombo.cpp

src/tristatecombo.h

src/version.cpp

src/version.h

src/videoequalizer.cpp

src/videoequalizer.h

src/widgetactions.cpp

src/widgetactions.h

src/winfileassoc.cpp

src/winfileassoc.h

Show diffs side-by-side

added added

removed removed

src/videopreview/videopreview.cpp

/* smplayer, GUI front-end for mplayer.

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 "videopreview.h"

#include "videopreviewconfigdialog.h"

#include <QProcess>

#include <QRegExp>

#include <QDir>

#include <QTime>

#include <QProgressDialog>

#include <QWidget>

#include <QGridLayout>

#include <QLabel>

#include <QScrollArea>

#include <QDialogButtonBox>

#include <QPushButton>

#include <QPainter>

#include <QFileDialog>

#include <QMessageBox>

#include <QSettings>

#include <QApplication>

#include <QPixmapCache>

#include <QImageWriter>

#include <QImageReader>

#include <cmath>

#define RENAME_PICTURES 0

VideoPreview::VideoPreview(QString mplayer_path, QWidget * parent) : QWidget(parent, Qt::Window)

{

setMplayerPath(mplayer_path);

set = 0; // settings

save_last_directory = true;

prop.input_video.clear();

prop.dvd_device.clear();

prop.n_cols = 4;

prop.n_rows = 4;

prop.initial_step = 20;

prop.max_width = 800;

prop.aspect_ratio = 0;

prop.display_osd = true;

prop.extract_format = JPEG;

output_dir = "smplayer_preview";

full_output_dir = QDir::tempPath() +"/"+ output_dir;

progress = new QProgressDialog(this);

progress->setMinimumDuration(0);

connect( progress, SIGNAL(canceled()), this, SLOT(cancelPressed()) );

w_contents = new QWidget(this);

QPalette p = w_contents->palette();

p.setColor(w_contents->backgroundRole(), Qt::white);

p.setColor(w_contents->foregroundRole(), Qt::black);

w_contents->setPalette(p);

info = new QLabel(this);

foot = new QLabel(this);

foot->setAlignment(Qt::AlignRight);

grid_layout = new QGridLayout;

grid_layout->setSpacing(2);

QVBoxLayout * l = new QVBoxLayout;

l->setSizeConstraint(QLayout::SetFixedSize);

l->addWidget(info);

l->addLayout(grid_layout);

l->addWidget(foot);

w_contents->setLayout(l);

scroll_area = new QScrollArea(this);

scroll_area->setWidgetResizable(true);

scroll_area->setAlignment(Qt::AlignCenter);

scroll_area->setWidget( w_contents );

button_box = new QDialogButtonBox(QDialogButtonBox::Close | QDialogButtonBox::Save, Qt::Horizontal, this);

connect( button_box, SIGNAL(rejected()), this, SLOT(close()) );

connect( button_box->button(QDialogButtonBox::Save), SIGNAL(clicked()), this, SLOT(saveImage()) );

100

QVBoxLayout * my_layout = new QVBoxLayout;

101

my_layout->addWidget(scroll_area);

102

my_layout->addWidget(button_box);

103

setLayout(my_layout);

104

105

retranslateStrings();

106

107

QList<QByteArray> r_formats = QImageReader::supportedImageFormats();

108

QString read_formats;

109

for (int n=0; n < r_formats.count(); n++) {

110

read_formats.append(r_formats[n]+" ");

111

}

112

qDebug("VideoPreview::VideoPreview: supported formats for reading: %s", read_formats.toUtf8().constData());

113

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QList<QByteArray> w_formats = QImageWriter::supportedImageFormats();

115

QString write_formats;

116

for (int n=0; n < w_formats.count(); n++) {

117

write_formats.append(w_formats[n]+" ");

118

}

119

qDebug("VideoPreview::VideoPreview: supported formats for writing: %s", write_formats.toUtf8().constData());

120

}

121

122

VideoPreview::~VideoPreview() {

123

if (set) saveSettings();

124

}

125

126

void VideoPreview::retranslateStrings() {

127

progress->setWindowTitle(tr("Video preview"));

128

progress->setCancelButtonText( tr("Cancel") );

129

130

foot->setText(""+ tr("Generated by SMPlayer") +" ");

131

}

132

133

void VideoPreview::setMplayerPath(QString mplayer_path) {

134

mplayer_bin = mplayer_path;

135

QFileInfo fi(mplayer_bin);

136

if (fi.exists() && fi.isExecutable() && !fi.isDir()) {

137

mplayer_bin = fi.absoluteFilePath();

138

}

139

140

qDebug("VideoPreview::setMplayerPath: mplayer_bin: '%s'", mplayer_bin.toUtf8().constData());

141

}

142

143

void VideoPreview::setSettings(QSettings * settings) {

144

set = settings;

145

loadSettings();

146

}

147

148

void VideoPreview::clearThumbnails() {

149

for (int n=0; n < label_list.count(); n++) {

150

grid_layout->removeWidget( label_list[n] );

151

delete label_list[n];

152

}

153

label_list.clear();

154

info->clear();

155

}

156

157

QString VideoPreview::framePicture() {

158

if (prop.extract_format == PNG)

159

return "00000005.png";

160

else

161

return "00000005.jpg";

162

}

163

164

bool VideoPreview::createThumbnails() {

165

clearThumbnails();

166

error_message.clear();

167

168

button_box->setEnabled(false);

169

170

bool result = extractImages();

171

172

progress->close();

173

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if ((result == false) && (!error_message.isEmpty())) {

175

QMessageBox::critical(this, tr("Error"),

176

tr("The following error has occurred while creating the thumbnails:")+"\n"+ error_message );

177

}

178

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button_box->setEnabled(true);

180

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// Adjust size

182

//resize( w_contents->sizeHint() );

183

184

cleanDir(full_output_dir);

185

return result;

186

}

187

188

bool VideoPreview::extractImages() {

189

VideoInfo i = getInfo(mplayer_bin, prop.input_video);

190

int length = i.length;

191

192

if (length == 0) {

193

if (error_message.isEmpty()) error_message = tr("The length of the video is 0");

194

return false;

195

}

196

197

// Create a temporary directory

198

QDir d(QDir::tempPath());

199

if (!d.exists(output_dir)) {

200

if (!d.mkpath(output_dir)) {

201

qDebug("VideoPreview::extractImages: error: can't create '%s'", full_output_dir.toUtf8().constData());

202

error_message = tr("The temporary directory (%1) can't be created").arg(full_output_dir);

203

return false;

204

}

205

}

206

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displayVideoInfo(i);

208

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// Let's begin

210

run.thumbnail_width = 0;

211

212

int num_pictures = prop.n_cols * prop.n_rows;

213

length -= prop.initial_step;

214

int s_step = length / num_pictures;

215

216

int current_time = prop.initial_step;

217

218

canceled = false;

219

progress->setLabelText(tr("Creating thumbnails..."));

220

progress->setRange(0, num_pictures-1);

221

progress->show();

222

223

double aspect_ratio = i.aspect;

224

if (prop.aspect_ratio != 0) aspect_ratio = prop.aspect_ratio;

225

226

for (int n = 0; n < num_pictures; n++) {

227

qDebug("VideoPreview::extractImages: getting frame %d of %d...", n+1, num_pictures);

228

progress->setValue(n);

229

qApp->processEvents();

230

231

if (canceled) return false;

232

233

if (!runMplayer(current_time, aspect_ratio)) return false;

234

235

QString frame_picture = full_output_dir + "/" + framePicture();

236

if (!QFile::exists(frame_picture)) {

237

error_message = tr("The file %1 doesn't exist").arg(frame_picture);

238

return false;

239

}

240

241

#if RENAME_PICTURES

242

QString extension = (extractFormat()==PNG) ? "png" : "jpg";

243

QString output_file = output_dir + QString("/picture_%1.%2").arg(current_time, 8, 10, QLatin1Char('0')).arg(extension);

244

d.rename(output_dir + "/" + framePicture(), output_file);

245

#else

246

QString output_file = output_dir + "/" + framePicture();

247

#endif

248

249

if (!addPicture(QDir::tempPath() +"/"+ output_file, n, current_time)) {

250

return false;

251

}

252

253

current_time += s_step;

254

}

255

256

return true;

257

}

258

259

bool VideoPreview::runMplayer(int seek, double aspect_ratio) {

260

QStringList args;

261

args << "-nosound";

262

263

if (prop.extract_format == PNG) {

264

args << "-vo"

265

<< "png:outdir=\""+full_output_dir+"\"";

266

} else {

267

args << "-vo"

268

<< "jpeg:outdir=\""+full_output_dir+"\"";

269

}

270

271

args << "-frames" << "6" << "-ss" << QString::number(seek);

272

273

if (aspect_ratio != 0) {

274

args << "-aspect" << QString::number(aspect_ratio) << "-zoom";

275

}

276

277

if (!prop.dvd_device.isEmpty()) {

278

args << "-dvd-device" << prop.dvd_device;

279

}

280

281

282

if (display_osd) {

283

args << "-vf" << "expand=osd=1" << "-osdlevel" << "2";

284

}

285

286

287

args << prop.input_video;

288

289

QString command = mplayer_bin + " ";

290

for (int n = 0; n < args.count(); n++) command = command + args[n] + " ";

291

qDebug("VideoPreview::runMplayer: command: %s", command.toUtf8().constData());

292

293

QProcess p;

294

p.start(mplayer_bin, args);

295

if (!p.waitForFinished()) {

296

qDebug("VideoPreview::runMplayer: error running process");

297

error_message = tr("The mplayer process didn't run");

298

return false;

299

}

300

301

return true;

302

}

303

304

305

bool VideoPreview::addPicture(const QString & filename, int num, int time) {

306

int row = num / prop.n_cols;

307

int col = num % prop.n_cols;

308

309

qDebug("VideoPreview::addPicture: %d (row: %d col: %d) file: '%s'", num, row, col, filename.toUtf8().constData());

310

311

QPixmapCache::clear();

312

QPixmap picture;

313

if (!picture.load(filename)) {

314

qDebug("VideoPreview::addPicture: can't load file");

315

error_message = tr("The file %1 can't be loaded").arg(filename);

316

return false;

317

}

318

319

if (run.thumbnail_width == 0) {

320

int spacing = grid_layout->horizontalSpacing() * (prop.n_cols-1);

321

if (spacing < 0) spacing = 0;

322

qDebug("VideoPreview::addPicture: spacing: %d", spacing);

323

run.thumbnail_width = (prop.max_width - spacing) / prop.n_cols;

324

if (run.thumbnail_width > picture.width()) run.thumbnail_width = picture.width();

325

qDebug("VideoPreview::addPicture: thumbnail_width set to %d", run.thumbnail_width);

326

}

327

328

QPixmap scaled_picture = picture.scaledToWidth(run.thumbnail_width, Qt::SmoothTransformation);

329

330

// Add current time text

331

if (prop.display_osd) {

332

QString stime = QTime().addSecs(time).toString("hh:mm:ss");

333

QFont font("Arial");

334

font.setBold(true);

335

QPainter painter(&scaled_picture);

336

painter.setPen( Qt::white );

337

painter.setFont(font);

338

painter.drawText(scaled_picture.rect(), Qt::AlignRight | Qt::AlignBottom, stime);

339

}

340

341

QLabel * l = new QLabel(this);

342

label_list.append(l);

343

l->setPixmap(scaled_picture);

344

//l->setPixmap(picture);

345

grid_layout->addWidget(l, row, col);

346

347

return true;

348

}

349

350

void VideoPreview::displayVideoInfo(const VideoInfo & i) {

351

// Display info about the video

352

QTime t = QTime().addSecs(i.length);

353

354

QString aspect = QString::number(i.aspect);

355

if (fabs(1.77 - i.aspect) < 0.1) aspect = "16:9";

356

else

357

if (fabs(1.33 - i.aspect) < 0.1) aspect = "4:3";

358

else

359

if (fabs(2.35 - i.aspect) < 0.1) aspect = "2.35:1";

360

361

QString no_info = tr("No info");

362

363

QString fps = (i.fps==0 || i.fps==1000) ? no_info : QString("%1").arg(i.fps);

364

QString video_bitrate = (i.video_bitrate==0) ? no_info : tr("%1 kbps").arg(i.video_bitrate/1000);

365

QString audio_bitrate = (i.audio_bitrate==0) ? no_info : tr("%1 kbps").arg(i.audio_bitrate/1000);

366

QString audio_rate = (i.audio_rate==0) ? no_info : tr("%1 Hz").arg(i.audio_rate);

367

368

info->setText(

369

"" + i.filename +""

370

"<table cellspacing=4 cellpadding=4><tr>"

371

"<td>" +

372

tr("Size: %1 MB").arg(i.size / (1024*1024)) + " " +

373

tr("Resolution: %1x%2").arg(i.width).arg(i.height) + " " +

374

tr("Length: %1").arg(t.toString("hh:mm:ss")) +

375

"</td>"

376

"<td>" +

377

tr("Video format: %1").arg(i.video_format) + " " +

378

tr("Frames per second: %1").arg(fps) + " " +

379

tr("Aspect ratio: %1").arg(aspect) + //" " +

380

"</td>"

381

"<td>" +

382

tr("Video bitrate: %1").arg(video_bitrate) + " " +

383

tr("Audio bitrate: %1").arg(audio_bitrate) + " " +

384

tr("Audio rate: %1").arg(audio_rate) + //" " +

385

"</td>"

386

"</tr></table>"

387

);

388

setWindowTitle( tr("Video preview") + " - " + i.filename );

389

}

390

391

void VideoPreview::cleanDir(QString directory) {

392

QStringList filter;

393

if (prop.extract_format == PNG) {

394

filter.append("*.png");

395

} else {

396

filter.append("*.jpg");

397

}

398

399

QDir d(directory);

400

QStringList l = d.entryList( filter, QDir::Files, QDir::Unsorted);

401

402

for (int n = 0; n < l.count(); n++) {

403

qDebug("VideoPreview::cleanDir: deleting '%s'", l[n].toUtf8().constData());

404

d.remove(l[n]);

405

}

406

qDebug("VideoPreview::cleanDir: removing directory '%s'", directory.toUtf8().constData());

407

d.rmpath(directory);

408

}

409

410

VideoInfo VideoPreview::getInfo(const QString & mplayer_path, const QString & filename) {

411

VideoInfo i;

412

413

if (filename.isEmpty()) {

414

error_message = tr("No filename");

415

return i;

416

}

417

418

QFileInfo fi(filename);

419

if (fi.exists()) {

420

i.filename = fi.fileName();

421

i.size = fi.size();

422

}

423

424

QRegExp rx("^ID_(.*)=(.*)");

425

426

QProcess p;

427

p.setProcessChannelMode( QProcess::MergedChannels );

428

429

QStringList args;

430

args << "-vo" << "null" << "-ao" << "null" << "-frames" << "1" << "-identify" << "-nocache" << "-noquiet" << filename;

431

432

if (!prop.dvd_device.isEmpty()) {

433

args << "-dvd-device" << prop.dvd_device;

434

}

435

436

p.start(mplayer_path, args);

437

438

if (p.waitForFinished()) {

439

QByteArray line;

440

while (p.canReadLine()) {

441

line = p.readLine().trimmed();

442

qDebug("VideoPreview::getInfo: '%s'", line.constData());

443

if (rx.indexIn(line) > -1) {

444

QString tag = rx.cap(1);

445

QString value = rx.cap(2);

446

qDebug("VideoPreview::getInfo: tag: '%s', value: '%s'", tag.toUtf8().constData(), value.toUtf8().constData());

447

448

if (tag == "LENGTH") i.length = (int) value.toDouble();

449

else

450

if (tag == "VIDEO_WIDTH") i.width = value.toInt();

451

else

452

if (tag == "VIDEO_HEIGHT") i.height = value.toInt();

453

else

454

if (tag == "VIDEO_FPS") i.fps = value.toDouble();

455

else

456

if (tag == "VIDEO_ASPECT") {

457

i.aspect = value.toDouble();

458

if ((i.aspect == 0) && (i.width != 0) && (i.height != 0)) {

459

i.aspect = (double) i.width / i.height;

460

}

461

}

462

else

463

if (tag == "VIDEO_BITRATE") i.video_bitrate = value.toInt();

464

else

465

if (tag == "AUDIO_BITRATE") i.audio_bitrate = value.toInt();

466

else

467

if (tag == "AUDIO_RATE") i.audio_rate = value.toInt();

468

else

469

if (tag == "VIDEO_FORMAT") i.video_format = value;

470

}

471

}

472

} else {

473

qDebug("VideoPreview::getInfo: error: process didn't start");

474

error_message = tr("The mplayer process didn't start while trying to get info about the video");

475

}

476

477

qDebug("VideoPreview::getInfo: filename: '%s'", i.filename.toUtf8().constData());

478

qDebug("VideoPreview::getInfo: resolution: '%d x %d'", i.width, i.height);

479

qDebug("VideoPreview::getInfo: length: '%d'", i.length);

480

qDebug("VideoPreview::getInfo: size: '%d'", (int) i.size);

481

482

return i;

483

}

484

485

486

void VideoPreview::saveImage() {

487

qDebug("VideoPreview::saveImage");

488

489

// Proposed name

490

QString proposed_name = "";

491

if (save_last_directory) proposed_name = last_directory;

492

493

QFileInfo fi(prop.input_video);

494

if (fi.exists()) {

495

if (!save_last_directory) proposed_name = fi.absolutePath();

496

QString extension = (extractFormat()==PNG) ? "png" : "jpg";

497

proposed_name += "/"+ fi.completeBaseName() +"_preview."+ extension;

498

}

499

500

// Formats

501

QList<QByteArray> w_formats = QImageWriter::supportedImageFormats();

502

QString write_formats;

503

for (int n=0; n < w_formats.count(); n++) {

504

write_formats.append("*."+w_formats[n]+" ");

505

}

506

if (write_formats.isEmpty()) {

507

// Shouldn't happen!

508

write_formats = "*.png *.jpg";

509

}

510

511

QString filename = QFileDialog::getSaveFileName(this, tr("Save file"),

512

proposed_name, tr("Images") +" ("+ write_formats +")");

513

514

if (!filename.isEmpty()) {

515

QPixmap image = QPixmap::grabWidget(w_contents);

516

if (!image.save(filename)) {

517

// Failed!!!

518

qDebug("VideoPreview::saveImage: error saving '%s'", filename.toUtf8().constData());

519

QMessageBox::warning(this, tr("Error saving file"),

520

tr("The file couldn't be saved") );

521

} else {

522

last_directory = QFileInfo(filename).absolutePath();

523

}

524

}

525

}

526

527

bool VideoPreview::showConfigDialog(QWidget * parent) {

528

VideoPreviewConfigDialog d(parent);

529

530

d.setVideoFile( videoFile() );

531

d.setDVDDevice( DVDDevice() );

532

d.setCols( cols() );

533

d.setRows( rows() );

534

d.setInitialStep( initialStep() );

535

d.setMaxWidth( maxWidth() );

536

d.setDisplayOSD( displayOSD() );

537

d.setAspectRatio( aspectRatio() );

538

d.setFormat( extractFormat() );

539

d.setSaveLastDirectory( save_last_directory );

540

541

if (d.exec() == QDialog::Accepted) {

542

setVideoFile( d.videoFile() );

543

setDVDDevice( d.DVDDevice() );

544

setCols( d.cols() );

545

setRows( d.rows() );

546

setInitialStep( d.initialStep() );

547

setMaxWidth( d.maxWidth() );

548

setDisplayOSD( d.displayOSD() );

549

setAspectRatio( d.aspectRatio() );

550

setExtractFormat(d.format() );

551

save_last_directory = d.saveLastDirectory();

552

553

return true;

554

}

555

556

return false;

557

}

558

559

void VideoPreview::saveSettings() {

560

qDebug("VideoPreview::saveSettings");

561

562

set->beginGroup("videopreview");

563

564

set->setValue("columns", cols());

565

set->setValue("rows", rows());

566

set->setValue("initial_step", initialStep());

567

set->setValue("max_width", maxWidth());

568

set->setValue("osd", displayOSD());

569

set->setValue("format", extractFormat());

570

set->setValue("save_last_directory", save_last_directory);

571

572

if (save_last_directory) {

573

set->setValue("last_directory", last_directory);

574

}

575

576

set->setValue("filename", videoFile());

577

set->setValue("dvd_device", DVDDevice());

578

579

set->endGroup();

580

}

581

582

void VideoPreview::loadSettings() {

583

qDebug("VideoPreview::loadSettings");

584

585

set->beginGroup("videopreview");

586

587

setCols( set->value("columns", cols()).toInt() );

588

setRows( set->value("rows", rows()).toInt() );

589

setInitialStep( set->value("initial_step", initialStep()).toInt() );

590

setMaxWidth( set->value("max_width", maxWidth()).toInt() );

591

setDisplayOSD( set->value("osd", displayOSD()).toBool() );

592

setExtractFormat( (ExtractFormat) set->value("format", extractFormat()).toInt() );

593

save_last_directory = set->value("save_last_directory", save_last_directory).toBool();

594

last_directory = set->value("last_directory", last_directory).toString();

595

596

setVideoFile( set->value("filename", videoFile()).toString() );

597

setDVDDevice( set->value("dvd_device", DVDDevice()).toString() );

598

599

set->endGroup();

600

}

601

602

void VideoPreview::adjustWindowSize() {

603

qDebug("VideoPreview::adjustWindowSize: window size: %d %d", width(), height());

604

qDebug("VideoPreview::adjustWindowSize: scroll_area size: %d %d", scroll_area->width(), scroll_area->height());

605

606

int diff_width = width() - scroll_area->maximumViewportSize().width();

607

int diff_height = height() - scroll_area->maximumViewportSize().height();

608

609

qDebug("VideoPreview::adjustWindowSize: diff_width: %d diff_height: %d", diff_width, diff_height);

610

611

QSize new_size = w_contents->size() + QSize( diff_width, diff_height);

612

613

qDebug("VideoPreview::adjustWindowSize: new_size: %d %d", new_size.width(), new_size.height());

614

615

resize(new_size);

616

}

617

618

void VideoPreview::cancelPressed() {

619

canceled = true;

620

}

621

622

// Language change stuff

623

void VideoPreview::changeEvent(QEvent *e) {

624

if (e->type() == QEvent::LanguageChange) {

625

retranslateStrings();

626

} else {

627

QWidget::changeEvent(e);

628

}

629

}

630

631

#include "moc_videopreview.cpp"

632

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