/* * 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_AUDIO_RENDERER_H#define __GSTREAMER_AUDIO_RENDERER_H#include "gstreamer_player.h"#include <iostream>#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/net/url.h"#include "ambulant/lib/event_processor.h"#include "ambulant/smil2/transition.h"#include "ambulant/lib/transition_info.h"#include "ambulant/lib/asb.h"#define AMBULANT_MAX_CHANNELS 2 namespace ambulant {namespace gui {namespace gstreamer {	  class gstreamer_audio_renderer : public common::renderer_playable {  public:	gstreamer_audio_renderer(	common::playable_notification *context,	common::playable_notification::cookie_type cookie,	const lib::node *node,	lib::event_processor *evp,	common::factories *factory);	gstreamer_audio_renderer(	common::playable_notification *context,	common::playable_notification::cookie_type cookie,	const lib::node *node,	lib::event_processor *evp,	common::factories *factory,	net::audio_datasource *ds);  	~gstreamer_audio_renderer();	static bool is_supported(const lib::node *node);	bool is_paused();	bool is_stopped();	bool is_playing();		common::duration get_dur();	void start(double where);	void stop();	void stopped();	void seek(double t);	void pause();	void resume();//	void freeze() {};//	void speed_changed() {};//	void set_surface(common::surface *dest) { abort(); }//	common::surface *get_surface() { abort(); }//	void set_alignment(common::alignment *align) { /* Ignore, for now */ }//	void transition_freeze_end(lib::rect area) {}		  	void redraw(const lib::rect &dirty, common::gui_window *window) {}	void set_intransition(const lib::transition_info* info);	void start_outtransition(const lib::transition_info* info);	GstElement* m_pipeline;  private:	void _start(double where);	void _stop();	void _stopped();	void _seek(double t);	void _pause();	void _resume();	void init_player( const lib::node *node);	gstreamer_player* m_player;	net::url m_url;	lib::critical_section m_lock;		bool m_is_playing;	bool m_is_paused;  	bool m_read_ptr_called;	bool m_audio_started;	int m_volcount;	float m_volumes[AMBULANT_MAX_CHANNELS];	const lib::transition_info* m_intransition;	const lib::transition_info* m_outtransition;	smil2::audio_transition_engine* m_transition_engine;	// class methods and attributes:};} // end namespace gstreamer} // end namespace gui} // end namespace ambulant#endif // __GSTREAMER_AUDIO_RENDERER_H