1 /***************************************************************************
3 * Copyright (C) 2011 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
19 ***************************************************************************/
21 #include "proxyclipjob.h"
22 #include "kdenlivesettings.h"
23 #include "kdenlivedoc.h"
28 ProxyJob::ProxyJob(CLIPTYPE cType, const QString &id, QStringList parameters) : AbstractClipJob(PROXYJOB, cType, id, parameters),
32 description = i18n("proxy");
33 m_dest = parameters.at(0);
34 m_src = parameters.at(1);
35 m_exif = parameters.at(2).toInt();
36 m_proxyParams = parameters.at(3);
37 m_renderWidth = parameters.at(4).toInt();
38 m_renderHeight = parameters.at(5).toInt();
41 QProcess *ProxyJob::startJob(bool *ok)
43 // Special case: playlist clips (.mlt or .kdenlive project files)
45 if (clipType == PLAYLIST) {
46 // change FFmpeg params to MLT format
47 m_isFfmpegJob = false;
48 QStringList mltParameters;
49 mltParameters << m_src;
50 mltParameters << "-consumer" << "avformat:" + m_dest;
51 QStringList params = m_proxyParams.split('-', QString::SkipEmptyParts);
53 foreach(QString s, params) {
55 if (s.count(' ') == 0) {
58 else s.replace(' ', '=');
62 mltParameters.append(QString("real_time=-%1").arg(KdenliveSettings::mltthreads()));
64 //TODO: currently, when rendering an xml file through melt, the display ration is lost, so we enforce it manualy
65 double display_ratio = KdenliveDoc::getDisplayRatio(m_src);
66 mltParameters << "aspect=" + QString::number(display_ratio);
68 // Ask for progress reporting
69 mltParameters << "progress=1";
71 m_jobProcess = new QProcess;
72 m_jobProcess->setProcessChannelMode(QProcess::MergedChannels);
73 m_jobProcess->start(KdenliveSettings::rendererpath(), mltParameters);
74 m_jobProcess->waitForStarted();
77 else if (clipType == IMAGE) {
78 m_isFfmpegJob = false;
87 // Images are scaled to profile size.
88 //TODO: Make it be configurable?
89 if (i.width() > i.height()) proxy = i.scaledToWidth(m_renderWidth);
90 else proxy = i.scaledToHeight(m_renderHeight);
92 // Rotate image according to exif data
98 matrix.scale( -1, 1 );
101 matrix.rotate( 180 );
104 matrix.scale( 1, -1 );
107 matrix.rotate( 270 );
108 matrix.scale( -1, 1 );
115 matrix.scale( -1, 1 );
118 matrix.rotate( 270 );
121 processed = proxy.transformed( matrix );
122 processed.save(m_dest);
124 else proxy.save(m_dest);
129 m_isFfmpegJob = true;
130 QStringList parameters;
131 parameters << "-i" << m_src;
132 QString params = m_proxyParams;
133 foreach(const QString &s, params.split(' '))
136 // Make sure we don't block when proxy file already exists
138 parameters << m_dest;
139 m_jobProcess = new QProcess;
140 m_jobProcess->setProcessChannelMode(QProcess::MergedChannels);
141 m_jobProcess->start("ffmpeg", parameters);
142 m_jobProcess->waitForStarted();
147 int ProxyJob::processLogInfo()
149 if (!m_jobProcess) return -1;
150 QString log = m_jobProcess->readAll();
153 // Parse FFmpeg output
154 if (m_jobDuration == 0) {
155 if (log.contains("Duration:")) {
156 QString data = log.section("Duration:", 1, 1).section(',', 0, 0).simplified();
157 QStringList numbers = data.split(':');
158 m_jobDuration = (int) (numbers.at(0).toInt() * 3600 + numbers.at(1).toInt() * 60 + numbers.at(2).toDouble());
161 else if (log.contains("time=")) {
162 QString time = log.section("time=", 1, 1).simplified().section(' ', 0, 0);
163 if (time.contains(':')) {
164 QStringList numbers = time.split(':');
165 progress = numbers.at(0).toInt() * 3600 + numbers.at(1).toInt() * 60 + numbers.at(2).toDouble();
167 else progress = (int) time.toDouble();
168 return (int) (100.0 * progress / m_jobDuration);
173 if (log.contains("percentage:")) {
174 progress = log.section(':', -1).simplified().toInt();
181 ProxyJob::~ProxyJob()
185 const QString ProxyJob::destination() const
190 stringMap ProxyJob::cancelProperties()
192 QMap <QString, QString> props;
193 props.insert("proxy", "-");