1 /*
2 * GStreamer
3 * Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
4 * Copyright (C) 2009 Andrey Nechypurenko <andreynech@gmail.com>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #include "pipeline.h"
23 #include "gstthread.h"
24
25
GstThread(GstGLDisplay * display,GstGLContext * context,const QString & videoLocation,const char * renderer_slot,QObject * parent)26 GstThread::GstThread(GstGLDisplay *display,
27 GstGLContext *context,
28 const QString &videoLocation,
29 const char *renderer_slot,
30 QObject *parent):
31 QThread(parent),
32 m_videoLocation(videoLocation)
33 {
34 m_pipeline = new Pipeline(display, context, m_videoLocation, this);
35 QObject::connect(m_pipeline, SIGNAL(newFrameReady()), this->parent(), renderer_slot, Qt::QueuedConnection);
36 }
37
~GstThread()38 GstThread::~GstThread()
39 {
40 }
41
stop()42 void GstThread::stop()
43 {
44 if(m_pipeline)
45 m_pipeline->stop();
46 }
47
run()48 void GstThread::run()
49 {
50 qDebug("Starting gst pipeline");
51 m_pipeline->start(); //it runs the gmainloop on win32
52
53 #ifndef Q_WS_WIN
54 //works like the gmainloop on linux (GstEvent are handled)
55 connect(m_pipeline, SIGNAL(stopRequested()), this, SLOT(quit()));
56 exec();
57 #endif
58
59 m_pipeline->unconfigure();
60
61 m_pipeline = NULL;
62 // This is not a memory leak. Pipeline will be deleted
63 // when the parent object (this) will be destroyed.
64 // We set m_pipeline to NULL to prevent further attempts
65 // to stop already stopped pipeline
66 }
67