diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Control_State.h')
-rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Control_State.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Control_State.h b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Control_State.h deleted file mode 100644 index ea80c0e4501..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Control_State.h +++ /dev/null @@ -1,143 +0,0 @@ -/* -*- C++ -*- */ - -/* $Id$ */ - -/* Copyright (c) 1995 Oregon Graduate Institute of Science and Technology - * P.O.Box 91000-1000, Portland, OR 97291, USA; - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of O.G.I. not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. O.G.I. makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * O.G.I. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * O.G.I. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY - * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Shanwei Cen - * Department of Computer Science and Engineering - * email: scen@cse.ogi.edu - */ - -#if !defined (MPEG_VIDEO_CONTROL_STATE_H) -#define MPEG_VIDEO_CONTROL_STATE_H - -#include "ace/Singleton.h" - -class Video_Control_Handler; - -class Video_Control_State -{ - // = TITLE - // Defines an abstract class that is used to implement the state - // pattern for the video control. - // - // = DESCRIPTION - // The various states of the video control are defined by the - // Video_States enum. They can be implemented by subclassing from - // this class and overriding the handle_input method. -public: - Video_Control_State (); - // constructor - - enum Video_States - { - VIDEO_WAITING, - VIDEO_PLAY = 1, - VIDEO_FAST_FORWARD = 2, - VIDEO_FAST_BACKWARD = 3 - }; - - virtual int handle_input (ACE_HANDLE h = 0) = 0; - // state pattern - this is handled differently - // depending on the state - - Video_States get_state (void); - // returns the current state - - void set_state (Video_States state); - // sets the state - -protected: - Video_States state_; - // State of this object - - Video_Control_Handler *vch_; - // My Video Control Handler -}; - -class Video_Control_Waiting_State : public virtual Video_Control_State -{ - // = TITLE - // Defines a class that implements the waiting state of the video - // control state pattern. -public: - Video_Control_Waiting_State (void); - // Default constructor, sets the state to WAITING - - virtual int handle_input (ACE_HANDLE h = 0); - // Called by the Video_Control_handler when control events occur in - // the waiting state -}; - -class Video_Control_Play_State : public virtual Video_Control_State -{ - // = TITLE - // Defines a class that implements the playing state of the video - // control state pattern. -public: - Video_Control_Play_State (void); - // Default constructor, sets the state to VIDEO_PLAY - - virtual int handle_input (ACE_HANDLE h = 0); - // Called by the Video_Control_handler when control events occur in - // the playing state -}; - -class Video_Control_Fast_Forward_State : public virtual Video_Control_State -{ - // = TITLE - // Defines a class that implements the fast_forward state of the video - // control state pattern. -public: - Video_Control_Fast_Forward_State (void); - // Default constructor, sets the state to VIDEO_FAST_FORWARD - - virtual int handle_input (ACE_HANDLE h = 0); - // Called by the Video_Control_handler when control events occur in - // the fast_forward state -}; - -class Video_Control_Fast_Backward_State : public virtual Video_Control_State -{ - // = TITLE - // Defines a class that implements the fast_backward state of the video - // control state pattern. -public: - Video_Control_Fast_Backward_State (void); - // Default constructor, sets the state to VIDEO_FAST_BACKWARD - - virtual int handle_input (ACE_HANDLE h = 0); - // Called by the Video_Control_handler when control events occur in - // the fast_backward state -}; - -// @@ Is there a particular reason we need these to be thread-specific singletons?! -typedef ACE_TSS_Singleton <Video_Control_Waiting_State, ACE_SYNCH_MUTEX> - VIDEO_CONTROL_WAITING_STATE; -typedef ACE_TSS_Singleton <Video_Control_Play_State, ACE_SYNCH_MUTEX> - VIDEO_CONTROL_PLAY_STATE; -typedef ACE_TSS_Singleton <Video_Control_Fast_Forward_State, ACE_SYNCH_MUTEX> - VIDEO_CONTROL_FAST_FORWARD_STATE; -typedef ACE_TSS_Singleton <Video_Control_Fast_Backward_State, ACE_SYNCH_MUTEX> - VIDEO_CONTROL_FAST_BACKWARD_STATE; - -#endif /* MPEG_VIDEO_SERVER_STATE_H */ |