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 ***************************************************************************/
22 #include "kdenlivesettings.h"
23 #include "kdenlivedoc.h"
29 #include <mlt++/Mlt.h>
32 static void consumer_frame_render(mlt_consumer, MeltJob * self, mlt_frame frame_ptr)
34 // detect if the producer has finished playing. Is there a better way to do it?
35 Mlt::Frame frame(frame_ptr);
36 self->emitFrameNumber((int) frame.get_position());
39 MeltJob::MeltJob(CLIPTYPE cType, const QString &id, QStringList parameters, QMap <QString, QString>extraParams) : AbstractClipJob(MLTJOB, cType, id, parameters),
45 m_jobStatus = JOBWAITING;
46 m_params = parameters;
47 description = i18n("Process clip");
48 QString consum = m_params.at(5);
49 if (consum.contains(':')) m_dest = consum.section(':', 1);
52 void MeltJob::setProducer(Mlt::Producer *producer, KUrl url)
54 m_url = QString::fromUtf8(producer->get("resource"));
55 if (m_url == "<playlist>" || m_url == "<tractor>" || m_url == "<producer>")
59 void MeltJob::startJob()
61 if (m_url.isEmpty()) {
62 m_errorMessage.append(i18n("No producer for this clip."));
63 setStatus(JOBCRASHED);
66 int in = m_params.takeFirst().toInt();
67 if (in > 0 && !m_extra.contains("offset")) m_extra.insert("offset", QString::number(in));
68 int out = m_params.takeFirst().toInt();
69 QString producerParams =m_params.takeFirst();
70 QString filter = m_params.takeFirst();
71 QString filterParams = m_params.takeFirst();
72 QString consumer = m_params.takeFirst();
73 if (consumer.contains(':')) m_dest = consumer.section(':', 1);
74 QString consumerParams = m_params.takeFirst();
78 if (!m_params.isEmpty()) startPos = m_params.takeFirst().toInt();
80 if (!m_params.isEmpty()) track = m_params.takeFirst().toInt();
81 if (!m_extra.contains("finalfilter")) m_extra.insert("finalfilter", filter);
83 if (out != -1 && out <= in) {
84 m_errorMessage.append(i18n("Clip zone undefined (%1 - %2).", in, out));
85 setStatus(JOBCRASHED);
89 if (m_extra.contains("producer_profile")) {
90 m_profile = new Mlt::Profile;
91 m_profile->set_explicit(false);
94 m_profile = new Mlt::Profile(KdenliveSettings::current_profile().toUtf8().constData());
96 if (m_extra.contains("resize_profile")) {
97 m_profile->set_height(m_extra.value("resize_profile").toInt());
98 m_profile->set_width(m_profile->height() * m_profile->sar());
101 prod = new Mlt::Producer(*m_profile, m_url.toUtf8().constData());
102 m_length = prod->get_length();
105 Mlt::Producer *tmp = new Mlt::Producer(*m_profile, m_url.toUtf8().constData());
106 prod = tmp->cut(in, out);
108 m_length = prod->get_playtime();
110 if (m_extra.contains("producer_profile")) {
111 m_profile->from_producer(*prod);
112 m_profile->set_explicit(true);
114 QStringList list = producerParams.split(' ', QString::SkipEmptyParts);
115 foreach(const QString &data, list) {
116 if (data.contains('=')) {
117 prod->set(data.section('=', 0, 0).toUtf8().constData(), data.section('=', 1, 1).toUtf8().constData());
120 if (consumer.contains(":")) {
121 m_consumer = new Mlt::Consumer(*m_profile, consumer.section(':', 0, 0).toUtf8().constData(), consumer.section(':', 1).toUtf8().constData());
124 m_consumer = new Mlt::Consumer(*m_profile, consumer.toUtf8().constData());
126 if (!m_consumer || !m_consumer->is_valid()) {
127 m_errorMessage.append(i18n("Cannot create consumer %1.", consumer));
128 setStatus(JOBCRASHED);
132 //m_consumer->set("terminate_on_pause", 1 );
133 //m_consumer->set("eof", "pause" );
134 m_consumer->set("real_time", -KdenliveSettings::mltthreads() );
137 list = consumerParams.split(' ', QString::SkipEmptyParts);
138 foreach(const QString &data, list) {
139 if (data.contains('=')) {
140 kDebug()<<"// filter con: "<<data;
141 m_consumer->set(data.section('=', 0, 0).toUtf8().constData(), data.section('=', 1, 1).toUtf8().constData());
145 Mlt::Filter mltFilter(*m_profile, filter.toUtf8().data());
146 if (!mltFilter.is_valid()) {
147 m_errorMessage = i18n("Filter %1 crashed", filter);
148 setStatus(JOBCRASHED);
153 list = filterParams.split(' ', QString::SkipEmptyParts);
154 foreach(const QString &data, list) {
155 if (data.contains('=')) {
156 kDebug()<<"// filter p: "<<data;
157 mltFilter.set(data.section('=', 0, 0).toUtf8().constData(), data.section('=', 1, 1).toUtf8().constData());
160 Mlt::Tractor tractor;
161 Mlt::Playlist playlist;
162 playlist.append(*prod);
163 tractor.set_track(playlist, 0);
164 m_consumer->connect(tractor);
167 prod->attach(mltFilter);
168 Mlt::Event *showFrameEvent = m_consumer->listen("consumer-frame-show", this, (mlt_listener) consumer_frame_render);
172 QMap <QString, QString> jobResults;
173 if (m_jobStatus != JOBABORTED && m_extra.contains("key")) {
174 QString result = mltFilter.get(m_extra.value("key").toUtf8().constData());
175 jobResults.insert(m_extra.value("key"), result);
179 delete showFrameEvent;
180 if (!jobResults.isEmpty() && m_jobStatus != JOBABORTED) emit gotFilterJobResults(m_clipId, startPos, track, jobResults, m_extra);
191 const QString MeltJob::destination() const
196 stringMap MeltJob::cancelProperties()
198 QMap <QString, QString> props;
202 const QString MeltJob::statusMessage()
205 switch (m_jobStatus) {
207 statusInfo = description;
210 statusInfo = i18n("Waiting to process clip");
218 void MeltJob::emitFrameNumber(int pos)
221 emit jobProgress(m_clipId, (int) (100 * pos / m_length), jobType);
225 bool MeltJob::isProjectFilter() const
227 return m_extra.contains("projecttreefilter");
230 void MeltJob::setStatus(CLIPJOBSTATUS status)
232 m_jobStatus = status;
233 if (status == JOBABORTED && m_consumer) m_consumer->stop();