155 lines
4.7 KiB
C++
155 lines
4.7 KiB
C++
// viewmgr.hxx -- class for managing all the views in the flightgear world.
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//
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// Written by Curtis Olson, started October 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _VIEWMGR_HXX
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#define _VIEWMGR_HXX
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#include <vector>
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#include <simgear/compiler.h>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/props/props.hxx>
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#include <simgear/props/tiedpropertylist.hxx>
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#include <simgear/math/SGMath.hxx>
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#include <simgear/screen/video-encoder.hxx>
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// forward decls
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namespace flightgear
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{
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class View;
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typedef SGSharedPtr<flightgear::View> ViewPtr;
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}
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// Define a structure containing view information
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class FGViewMgr : public SGSubsystem
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{
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public:
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// Constructor
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FGViewMgr( void );
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// Destructor
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~FGViewMgr( void );
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// Subsystem API.
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void bind() override;
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void init() override;
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void postinit() override;
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void reinit() override;
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void shutdown() override;
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void unbind() override;
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void update(double dt) override;
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// Subsystem identification.
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static const char* staticSubsystemClassId() { return "view-manager"; }
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// getters
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inline int size() const { return views.size(); }
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int getCurrentViewIndex() const;
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flightgear::View* get_current_view();
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const flightgear::View* get_current_view() const;
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flightgear::View* get_view( int i );
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const flightgear::View* get_view( int i ) const;
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flightgear::View* next_view();
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flightgear::View* prev_view();
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// Support for extra view windows. This only works if --compositer-viewer=1 was specified.
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//
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// Calls SviewPush().
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void view_push();
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// These all end up calling SviewCreate().
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void clone_current_view(const SGPropertyNode* config);
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void clone_last_pair(const SGPropertyNode* config);
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void clone_last_pair_double(const SGPropertyNode* config);
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void view_new(const SGPropertyNode* config);
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// setters
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void clear();
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void add_view( flightgear::View * v );
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// Start video encoding of main window.
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//
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// name
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// If "", we generate a name containing aircraft name, date and
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// time and with suffix /sim/video/container, and we also create a
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// softlink with the same name excluding date and time. Both names are
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// converted into paths by prepending with /sim/video/directory.
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//
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// Otherwise we prepend with /sim/video/directory, and do not create
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// a softlink. In this case, <name> should end with a name that is a
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// recognised video container, such as '.mp4'.
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//
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// List of supported containers can be found with 'ffmpeg -formats'.
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// codec_name
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// Name of codec or "" to use /sim/video/codec. Passed to
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// avcodec_find_encoder_by_name(). List of supported codecs can be
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// found with 'ffmpeg -codecs'.
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// quality
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// Encoding quality in range 0..1 or -1 to use /sim/video/quality.
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// speed:
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// Encoding speed in range 0..1 or -1 to use /sim/video/speed.
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// bitrate
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// Target bitratae in bits/sec or -1 to use /sim/video/bitrate.
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//
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// We show popup warning if values are out of range - quality and speed
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// must be -1 or 0-1, bitrate must be >= 0.
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//
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// Returns false if we fail to start video encoding.
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//
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bool video_start(
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const std::string& name="",
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const std::string& codec="",
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double quality=-1,
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double speed=-1,
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int bitrate=0
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);
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// Stop video encoding of main window.
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//
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void video_stop();
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private:
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simgear::TiedPropertyList _tiedProperties;
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void setCurrentViewIndex(int newview);
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bool _inited = false;
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std::vector<SGPropertyNode_ptr> config_list;
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SGPropertyNode_ptr _viewNumberProp;
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typedef std::vector<flightgear::ViewPtr> viewer_list;
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viewer_list views;
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int _current = 0;
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std::unique_ptr<simgear::VideoEncoder> _video_encoder;
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};
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#endif // _VIEWMGR_HXX
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