/* * This file is part of Ambulant Player, www.ambulantplayer.org. * * Copyright (C) 2003-2007 Stichting CWI,  * Kruislaan 413, 1098 SJ Amsterdam, The Netherlands. * * Ambulant Player is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * Ambulant Player 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Ambulant Player; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */#ifndef __GSTREAMER_PLAYER_h#define __GSTREAMER_PLAYER_h#include <iostream>#include <gst/gst.h>#include "ambulant/common/factory.h"#include "ambulant/lib/mtsync.h"#include "ambulant/common/factory.h"#include "ambulant/common/layout.h"#include "ambulant/common/renderer_impl.h"#include "ambulant/lib/logger.h"#include "ambulant/gui/none/none_gui.h"#include "ambulant/net/datasource.h"#include "ambulant/lib/event_processor.h"#include "ambulant/smil2/transition.h"#include "ambulant/lib/transition_info.h"#include "ambulant/lib/asb.h"#include "ambulant/lib/unix/unix_thread.h"#define GSTREAMER_BUFFER_MAX_BYTES 819200#define GSTREAMER_BUFFER_MIN_BYTES 20480#define AMBULANT_MAX_CHANNELS 2 void gstreamer_player_initialize(int* argcp, char*** argvp);void gstreamer_player_finalize();namespace ambulant {namespace gui {namespace gstreamer {	  class gstreamer_audio_renderer;/* The Npkia 770 csn handle only one audio/video at a time.*/#ifdef  WITH_NOKIA770static pthread_mutex_t s_main_nokia770_mutex;#endif//WITH_NOKIA770// gstreamer_player: interface to low-level gstreamer codeclass gstreamer_player :  public lib::unix::thread { public:	gstreamer_player(const char* uri,  gstreamer_audio_renderer* rend); 	~gstreamer_player(); 	void pause();	void play();	void stop_player();	void seek(double where);	double get_dur();	void mutex_acquire(const char* id);	void mutex_release(const char* id);  protected:	unsigned long run();  private:	char* m_uri;	gstreamer_audio_renderer* m_audio_renderer;	GstElement* m_gst_player;	GMainLoop* m_gst_mainloop;	// m_gst_player_mutex will be locked in the constructor and unlocked by the	// run() function in another thread after pipeline initialization is complete	// when the pipeline terminates, the run() function locks again for cleanup,	// and destoying the mutex.	// all other access to the gstreamer playerd is done using this mutex protection	pthread_mutex_t m_gst_player_mutex;};} // end namespace gstreamer} // end namespace gui} // end namespace ambulant#endif // __GSTREAMER_PLAYER_h