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 #ifndef PIPELINE_H 23 #define PIPELINE_H 24 25 #include <QObject> 26 27 #include <gst/gl/gstglcontext.h> 28 29 #include "AsyncQueue.h" 30 31 32 class Pipeline : public QObject 33 { 34 Q_OBJECT 35 36 public: 37 Pipeline(GstGLDisplay *display, GstGLContext *context, 38 const QString &videoLocation, 39 QObject *parent); 40 ~Pipeline(); 41 42 void configure(); 43 void start(); notifyNewFrame()44 void notifyNewFrame() {emit newFrameReady();} 45 void stop(); 46 void unconfigure(); 47 48 AsyncQueue<GstBuffer*> queue_input_buf; 49 AsyncQueue<GstBuffer*> queue_output_buf; 50 51 Q_SIGNALS: 52 void newFrameReady(); 53 void stopRequested(); 54 55 private: 56 GstGLDisplay *display; 57 GstGLContext *context; 58 const QString m_videoLocation; 59 GMainLoop* m_loop; 60 GstBus* m_bus; 61 GstPipeline* m_pipeline; 62 static float m_xrot; 63 static float m_yrot; 64 static float m_zrot; 65 66 static void on_gst_buffer(GstElement * element, GstBuffer * buf, GstPad * pad, Pipeline* p); 67 static gboolean bus_call (GstBus *bus, GstMessage *msg, Pipeline* p); 68 static gboolean sync_bus_call (GstBus *bus, GstMessage *msg, Pipeline* p); 69 }; 70 71 #endif 72