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Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/Command_Handler.h')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/Command_Handler.h | 517 |
1 files changed, 0 insertions, 517 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/Command_Handler.h b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/Command_Handler.h deleted file mode 100644 index d05d746d814..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/Command_Handler.h +++ /dev/null @@ -1,517 +0,0 @@ -// $Id$ - -/* 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 - */ - - -// ============================================================================ -// -// = LIBRARY -// mpeg_client -// -// = FILENAME -// Command_Handler.h -// -// = DESCRIPTION -// Defines the client side components of the A/V framework like -// video stream endpoints ,video multi media device, video virtual device. -// -// = AUTHORS -// Sumedh Mungee (sumedh@cs.wustl.edu) -// Nagarajan Surendran (naga@cs.wustl.edu) -// -// ============================================================================ - - -#if !defined (AV_COMMAND_HANDLER_H) -#define AV_COMMAND_HANDLER_H - -#include "ace/Reactor.h" -#include "ace/Event_Handler.h" -#include "ace/ARGV.h" -#include "tao/TAO.h" -#include "mpeg_shared/Video_ControlC.h" -#include "orbsvcs/CosNamingC.h" -#include "ace/SOCK_Dgram.h" -#include "ace/SOCK_Connector.h" -#include "mpeg_shared/Audio_ControlC.h" -#include "orbsvcs/AV/AVStreams_i.h" -#include "ace/High_Res_Timer.h" -#include "ace/Acceptor.h" - - - -class Command_Handler; - -class Gui_Acceptor -:public ACE_Acceptor <Command_Handler, ACE_SOCK_ACCEPTOR> -{ -public: - Gui_Acceptor (Command_Handler *); - - virtual int make_svc_handler (Command_Handler *&sh); -private: - Command_Handler *command_handler_; -}; - -class Video_Client_StreamEndPoint - :public virtual TAO_Client_StreamEndPoint -{ - // = TITLE - // Defines a video client StreamEndpoint class - // = DESCRIPTION - // Makes use of a connected dgram to receive data from the server - // side stream endpoint. -public: - Video_Client_StreamEndPoint (void); - - Video_Client_StreamEndPoint (Command_Handler *command_handler); - // constructor - - virtual int handle_open (void); - // called when streamendpoint is instantiated - - virtual int handle_close (void); - // called when streamendpoint is being destructed - - virtual CORBA::Boolean handle_preconnect (AVStreams::flowSpec &the_spec); - // called before connecting - - virtual CORBA::Boolean handle_postconnect (AVStreams::flowSpec &the_spec); - // called after connecting - - virtual int handle_start (const AVStreams::flowSpec &the_spec, - CORBA::Environment &env) ; - - virtual int handle_stop (const AVStreams::flowSpec &the_spec, - CORBA::Environment &env) ; - - virtual int handle_destroy (const AVStreams::flowSpec &the_spec, - CORBA::Environment &env); - - virtual ACE_HANDLE get_handle (void); - // gets the underlying socket descriptor from the SOCK_Dgram - -private: - ACE_SOCK_Dgram dgram_; - // The datagram used for streaming. - Command_Handler *command_handler_; -}; - -class Audio_Client_StreamEndPoint - :public virtual TAO_Client_StreamEndPoint -{ - // = TITLE - // Defines a audio client stream endpoint - // = DESCRIPTION - // Uses a connected dgram to receive data from the audio server. -public: - Audio_Client_StreamEndPoint (void); - - Audio_Client_StreamEndPoint (Command_Handler *command_handler); - // constructor - - virtual int handle_open (void); - // called when streamendpoint is instantiated - - virtual int handle_close (void); - // called when streamendpoint is being destructed - - virtual CORBA::Boolean handle_preconnect (AVStreams::flowSpec &the_spec); - // called before connecting - - virtual CORBA::Boolean handle_postconnect (AVStreams::flowSpec &the_spec); - // called after connecting - - virtual int handle_start (const AVStreams::flowSpec &the_spec, - CORBA::Environment &env) ; - - virtual int handle_stop (const AVStreams::flowSpec &the_spec, - CORBA::Environment &env) ; - - virtual int handle_destroy (const AVStreams::flowSpec &the_spec, - CORBA::Environment &env); - - virtual ACE_HANDLE get_handle (void); - // gets the underlying socket descriptor from the SOCK_Dgram - -private: - ACE_SOCK_Dgram dgram_; - // The datagram used for streaming. - Command_Handler *command_handler_; -}; - - -class Video_Client_VDev - : public virtual TAO_VDev -{ - // = TITLE - // Defines a class that is a client side Virtual device for video. - // = Description - // Needs a pointer to the command handler object so that it can - // set the video control pointer of the command handler. -public: - Video_Client_VDev (void); - Video_Client_VDev (Command_Handler *command_handler); - -protected: - CORBA::Boolean set_media_ctrl (CORBA::Object_ptr media_ctrl, - CORBA::Environment& env); - -private: - Video_Control_ptr video_control_; - // The video controller - - Command_Handler *command_handler_; - // pointer to the command handler object -}; - - -class Audio_Client_VDev - : public virtual TAO_VDev -{ - // = TITLE - // Defines a client side audio virtual device - // = DESCRIPTION - // Takes a pointer to a command handler object so that it can set - // the audio control object pointer of the command handler. -public: - Audio_Client_VDev (void); - Audio_Client_VDev (Command_Handler *command_handler); - -protected: - CORBA::Boolean set_media_ctrl (CORBA::Object_ptr media_ctrl, - CORBA::Environment& env); - -private: - Audio_Control_ptr audio_control_; - // The Audio controller - - Command_Handler *command_handler_; - // pointer to the command handler object -}; - -class Video_Endpoint_Reactive_Strategy_A - : public TAO_AV_Endpoint_Reactive_Strategy_A<Video_Client_StreamEndPoint,Video_Client_VDev,AV_Null_MediaCtrl> -{ - // = TITLE - // Implementation of the Reactive Strategy for the client - // video MMDevice. - // = DESCRIPTION - // Takes a command handler object pointer. It overrides the - // make_vdev and make_stream_endpoint hooks to create the video - // vdev and video streamendpoint with command handler object pointers. -public: - Video_Endpoint_Reactive_Strategy_A (TAO_ORB_Manager *orb_manager, - Command_Handler *command_handler); - // constructor . The orb manager is needed for the TAO_AV_Endpoint_Reactive_Strategy_A. - - virtual int make_vdev (Video_Client_VDev *&vdev); - // hook to make our Vdev with the pointer to command handler. - virtual int make_stream_endpoint (Video_Client_StreamEndPoint *& endpoint); - // hook to make our streamendpoint taking a command handler pointer -private: - Command_Handler *command_handler_; - // pointer to command handler object - -}; - -class Audio_Endpoint_Reactive_Strategy_A - : public TAO_AV_Endpoint_Reactive_Strategy_A<Audio_Client_StreamEndPoint,Audio_Client_VDev,AV_Null_MediaCtrl> -{ - // = TITLE - // Implementation of the Reactive Strategy for the client audio - // MMDevice - // = DESCRIPTION - // Takes a command handler object pointer. It overrides the - // make_vdev and make_stream_endpoint hooks to create the audio - // vdev and audio streamendpoint with command handler object pointers. -public: - Audio_Endpoint_Reactive_Strategy_A (TAO_ORB_Manager *orb_manager, - Command_Handler *command_handler); - // constructor . The orb manager is needed for the TAO_AV_Endpoint_Reactive_Strategy_A. - - virtual int make_vdev (Audio_Client_VDev *&vdev); - // hook to make our Vdev with the pointer to command handler. - virtual int make_stream_endpoint (Audio_Client_StreamEndPoint *& endpoint); - // hook to make our streamendpoint taking a command handler pointer -private: - Command_Handler *command_handler_; - // pointer to command handler object - -}; - -class Command_Handler - : public virtual ACE_Event_Handler, - public virtual ACE_Svc_Handler <ACE_SOCK_STREAM, ACE_NULL_SYNCH> -{ - // = TITLE - // Defines the event handler class for the client commands - // - // = DESCRIPTION - // This class makes use of a UNIX socket, over which - // it will receive commands from the GUI - -public: - - Command_Handler (void); - // Default constructor - - Command_Handler (ACE_HANDLE command_handle); - // Construct this handler with a control (UNIX) handle - - ~Command_Handler (void); - // Destructor - - int init (int argc,char **argv); - // initialize the ORB - - int run (void); - // Run the ORB event loop - - virtual int open (void *); - // Perform the work of the SVC_HANDLER. Called by the acceptor - // when a new connection shows up - - - virtual int close (u_long); - // Called if ACE_Svc_Handler is closed down unexpectedly. - - int handle_timeout (const ACE_Time_Value &, - const void *arg); - // handle the timeout - - - void stop_timer (void); - // stop the internal timer - - void set_video_data_handle (ACE_HANDLE data_fd); - // sets the data handle (UDP) of the command handler - - void set_video_control (Video_Control_ptr video_control); - // called to set the video control object pointer of the comand handler. - - void set_audio_data_handle (ACE_HANDLE data_fd); - // sets the data handle (UDP) of the command handler - - void set_audio_control (Audio_Control_ptr video_control); - // called to set the video control object pointer of the comand handler. - - int get_video_control (void); - // Gets the video control reference thru the property service from - // the video server virtual device - - int resolve_video_reference (void); - // Resolve the video control reference. - - int resolve_audio_reference (void); - // Resolve the audio control reference. - - virtual int handle_input (ACE_HANDLE fd = ACE_INVALID_HANDLE); - // Called when input events occur (e.g., connection or data). - - virtual ACE_HANDLE get_handle (void) const; - // Returns the handle used by the event_handler. - - int init_av (void); - // Initialize both the audio and video - - int init_java_av (ACE_HANDLE fd); - // initialize both the audio and video reading the iors from java GUI thru a socket. - - int init_video_channel (char *phostname,char *videofile); - // Initializes the video channel by bind the client and server video - // mmdevices together and gets the video control object. - - int init_audio_channel (char *phostname,char *videofile); - // Initializes the audio channel by bind the client and server audio - // mmdevices together and gets the video control object. - - int stat_stream (CORBA::Char_out ch,CORBA::Long_out size) ; - // statistics of this stream. - - int close (void) ; - // close the audio and video connections - - int stat_sent (void) ; - - int fast_forward (void); - - int fast_backward (void); - - int step (void); - - int play (int flag, - CORBA::Environment& env); - - int position_action (int operation_tag); - - int position (void); - - int position_release (void); - - int volume (void); - - int balance (void); - - int speed (void); - - int stop (void); - - int stop_playing (void); - - int connect_to_video_server (char *address, - int *ctr_fd, - int *data_fd, - int *max_pkt_size); - // resolves the server video mmdevice and binds the local and server - // mmdevices together. - - int connect_to_audio_server (char *address, - int *ctr_fd, - int *data_fd, - int *max_pkt_size); - // resolves the server video mmdevice and binds the local and server - // mmdevices together. - -private: - int busy_; - // flag to indicate the state of the command handler - - char *audio_mmdevice_ior_; - - ACE_SOCK_Dgram video_dgram_; - // UDP socket on which to send/recv data - - ACE_SOCK_Dgram audio_dgram_; - // Audio UDP socket - - ACE_HANDLE video_data_handle_; - // UDP socket for video - - ACE_HANDLE audio_data_handle_; - // UDP socket for audio - - ACE_HANDLE command_handle_; - // The fd for the UNIX command socket - - TAO_ORB_Manager orb_manager_; - // the ORB manager - - Video_Control_ptr video_control_; - // Video Control CORBA object - - AVStreams::MMDevice_var video_server_mmdevice_; - // The video server multimedia device - - Video_Endpoint_Reactive_Strategy_A video_reactive_strategy_; - // Strategy for creating stream endpoints - - TAO_MMDevice video_client_mmdevice_; - // The video client multimedia device - - TAO_StreamCtrl video_streamctrl_; - // Video stream controller - - Audio_Control_ptr audio_control_; - // Audio Control CORBA object - - AVStreams::MMDevice_var audio_server_mmdevice_; - // The audio server multimedia device - - Audio_Endpoint_Reactive_Strategy_A audio_reactive_strategy_; - // Strategy for creating stream endpoints - - TAO_MMDevice audio_client_mmdevice_; - // The audio client multimedia device - - TAO_StreamCtrl audio_streamctrl_; - // audio stream controller - - ACE_High_Res_Timer timer_; - // timer to record the time taken for the play sequence. - - Gui_Acceptor acceptor_; -}; - - -class Client_Sig_Handler - : public virtual ACE_Event_Handler - // = TITLE - // Defines the signal handler class for the client timer processing - // - // = DESCRIPTION - // Checks if the video is ready and refreshes the display and - // also plays the audio packets in the timer processing. -{ -public: - Client_Sig_Handler (Command_Handler *command_handler); - // We need the command handler to call close () - - ~Client_Sig_Handler (void); - // Destructor - - virtual ACE_HANDLE get_handle (void) const; - - int register_handler (void); - // this will register this sig_handler - // with the reactor for SIGCHLD,SIGTERM,SIGINT - - virtual int shutdown (ACE_HANDLE, - ACE_Reactor_Mask); - // handles the reactor shutdown - - virtual int handle_input (ACE_HANDLE); - // handle input on the dummy handle. - - virtual int handle_signal (ACE_HANDLE signum, - siginfo_t * = 0, - ucontext_t* = 0); - // handles SIGALRM - - void TimerHandler (int signum); - - void stop_timer (void); - - void DisplayPicture (void); - // display the picture. - - void TimerProcessing (void); - - void PlayAudioOnly (void); - -private: - ACE_HANDLE handle_; - // dummy handle for the sig handler. - - ACE_Sig_Set sig_set; - // the signal set - - Command_Handler *command_handler_; - // We need the command handler to call close () - -}; - -#endif /* AV_COMMAND_HANDLER_H */ |