-/*******************************************************************************
+/*****************************************************************************
* interface.c: interface access for other threads
- * (c)1998 VideoLAN
- *******************************************************************************
* This library provides basic functions for threads to interact with user
* interface, such as command line.
- *******************************************************************************/
+ *****************************************************************************
+ * Copyright (C) 1998, 1999, 2000 VideoLAN
+ * $Id: interface.c,v 1.75 2001/05/01 04:18:18 sam Exp $
+ *
+ * Authors: Vincent Seguin <seguin@via.ecp.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
-/*******************************************************************************
+/*****************************************************************************
* Preamble
- *******************************************************************************/
-#include <pthread.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <netinet/in.h>
-#include <sys/soundcard.h>
-#include <sys/uio.h>
-#include <X11/Xlib.h>
-#include <X11/extensions/XShm.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
+ *****************************************************************************/
+#include "defs.h"
+
+#include <errno.h> /* ENOMEM */
+#include <stdlib.h> /* free(), strtol() */
+#include <stdio.h> /* FILE */
+#include <string.h> /* strerror() */
+#include <sys/types.h> /* off_t */
#include "config.h"
#include "common.h"
+#include "threads.h"
#include "mtime.h"
-#include "thread.h"
+#include "modules.h"
-#include "input.h"
-#include "input_vlan.h"
-#include "decoder_fifo.h"
+#include "stream_control.h"
+#include "input_ext-intf.h"
#include "audio_output.h"
-#include "audio_decoder.h"
+
+#include "intf_msg.h"
+#include "interface.h"
+#include "intf_playlist.h"
+#include "intf_channels.h"
+#include "keystrokes.h"
#include "video.h"
#include "video_output.h"
-#include "video_decoder.h"
-#include "xconsole.h"
-#include "interface.h"
-#include "intf_msg.h"
-#include "intf_cmd.h"
-
-#include "pgm_data.h"
-/* ?? remove useless headers */
+#include "main.h"
-/*
+/*****************************************************************************
* Local prototypes
- */
-static int StartInterface ( intf_thread_t *p_intf );
-static void EndInterface ( intf_thread_t *p_intf );
-
-/*******************************************************************************
- * intf_Run
- *******************************************************************************
- * what it does:
- * - Create an X11 console
- * - wait for a command and try to execute it
- * - interpret the order returned after the command execution
- * - print the messages of the message queue (intf_FlushMsg)
- * return value: 0 if successful, < 0 otherwise
- *******************************************************************************/
-int intf_Run( intf_thread_t *p_intf )
+ *****************************************************************************/
+static void intf_Manage( intf_thread_t *p_intf );
+
+/*****************************************************************************
+ * intf_Create: prepare interface before main loop
+ *****************************************************************************
+ * This function opens output devices and creates specific interfaces. It sends
+ * its own error messages.
+ *****************************************************************************/
+intf_thread_t* intf_Create( void )
{
- /* When it is started, interface won't die immediatly */
- p_intf->b_die = 0;
- if( StartInterface( p_intf ) ) /* error */
+ intf_thread_t * p_intf;
+
+ /* Allocate structure */
+ p_intf = malloc( sizeof( intf_thread_t ) );
+ if( !p_intf )
{
- return( 1 );
+ intf_ErrMsg( "intf error: cannot create interface thread (%s)",
+ strerror( ENOMEM ) );
+ return( NULL );
}
-
- /* Main loop */
- while(!p_intf->b_die)
- {
- /* Flush waiting messages */
- intf_FlushMsg();
- /* Manage specific interfaces */
- intf_ManageXConsole( &p_intf->xconsole ); /* X11 console */
+ /* Choose the best module */
+ p_intf->p_module = module_Need( MODULE_CAPABILITY_INTF, NULL );
- /* Sleep to avoid using all CPU - since some interfaces needs to access
- * keyboard events, a 100ms delay is a good compromise */
- msleep( INTF_IDLE_SLEEP );
+ if( p_intf->p_module == NULL )
+ {
+ intf_ErrMsg( "intf error: no suitable intf module" );
+ free( p_intf );
+ return( NULL );
}
- /* End of interface thread - the main() function will close all remaining
- * output threads */
- EndInterface( p_intf );
- return ( 0 );
-}
+#define f p_intf->p_module->p_functions->intf.functions.intf
+ p_intf->pf_open = f.pf_open;
+ p_intf->pf_close = f.pf_close;
+ p_intf->pf_run = f.pf_run;
+#undef f
-/* following functions are local */
+ /* Initialize callbacks */
+ p_intf->pf_manage = intf_Manage;
-/*******************************************************************************
- * StartInterface: prepare interface before main loop
- *******************************************************************************
- * This function opens output devices and create specific interfaces. It send
- * it's own error messages.
- *******************************************************************************/
-static int StartInterface( intf_thread_t *p_intf )
-{
- int i_thread; /* thread index */
-#ifdef AUTO_SPAWN
- int fd;
-#endif
+ /* Initialize structure */
+ p_intf->b_die = 0;
- /* Empty all threads array */
- for( i_thread = 0; i_thread < VOUT_MAX_THREADS; i_thread++ )
+ p_intf->p_input = NULL;
+ p_intf->p_keys = NULL;
+ p_intf->b_menu = 0;
+ p_intf->b_menu_change = 0;
+
+ if( p_intf->pf_open( p_intf ) )
{
- p_intf->pp_vout[i_thread] = NULL;
+ intf_ErrMsg("intf error: cannot create interface");
+ module_Unneed( p_intf->p_module );
+ free( p_intf );
+ return( NULL );
}
- for( i_thread = 0; i_thread < INPUT_MAX_THREADS; i_thread++ )
- {
- p_intf->pp_input[i_thread] = NULL;
- }
- /* Start X11 Console*/
- if( intf_OpenXConsole( &p_intf->xconsole ) )
+ /* Initialize mutexes */
+ vlc_mutex_init( &p_intf->change_lock );
+
+ /* Load channels - the pointer will be set to NULL on failure. The
+ * return value is ignored since the program can work without
+ * channels */
+ intf_LoadChannels( p_intf, main_GetPszVariable( INTF_CHANNELS_VAR,
+ INTF_CHANNELS_DEFAULT ));
+
+ intf_Msg("intf: interface initialized");
+ return( p_intf );
+}
+
+/*****************************************************************************
+ * intf_Manage: manage interface
+ *****************************************************************************
+ * This function has to be called regularly by the interface plugin. It
+ * checks for playlist end, module expiration, message flushing, and a few
+ * other useful things.
+ *****************************************************************************/
+static void intf_Manage( intf_thread_t *p_intf )
+{
+ /* Flush waiting messages */
+ intf_FlushMsg();
+
+ /* Manage module bank */
+ module_ManageBank( );
+
+ if( ( p_intf->p_input != NULL ) &&
+ ( p_intf->p_input->b_error || p_intf->p_input->b_eof ) )
{
- intf_ErrMsg("intf error: can't open X11 console\n");
- return( 1 );
+ input_DestroyThread( p_intf->p_input, NULL );
+ p_intf->p_input = NULL;
+ intf_DbgMsg("Input thread destroyed");
}
-#ifdef AUTO_SPAWN
- /* Execute the initialization script (typically spawn an input thread) */
- if ( (fd = open( INIT_SCRIPT, O_RDONLY )) != -1 )
+ /* If no stream is being played, try to find one */
+ if( p_intf->p_input == NULL && !p_intf->b_die )
{
- /* Startup script does exist */
- close( fd );
- intf_ExecScript( "vlc.init" );
- }
-#endif
+ /* Select the next playlist item */
+ intf_PlaylistNext( p_main->p_playlist );
- return( 0 );
+ if( p_main->p_playlist->i_index == -1 )
+ {
+ /* FIXME: wait for user to add stuff to playlist ? */
+#if 0
+ p_intf->b_die = 1;
+#endif
+ }
+ else
+ {
+ p_intf->p_input =
+ input_CreateThread( &p_main->p_playlist->current, NULL );
+ }
+ }
}
-/*******************************************************************************
- * EndInterface: clean interface after main loop
- *******************************************************************************
+/*****************************************************************************
+ * intf_Destroy: clean interface after main loop
+ *****************************************************************************
* This function destroys specific interfaces and close output devices.
- *******************************************************************************/
-static void EndInterface( intf_thread_t *p_intf )
+ *****************************************************************************/
+void intf_Destroy( intf_thread_t *p_intf )
{
- int i_thread; /* thread index */
- boolean_t b_thread; /* flag for remaing threads */
- int pi_vout_status[VOUT_MAX_THREADS]; /* vout threads status */
-
-
-
- /* Close X11 console */
- intf_CloseXConsole( &p_intf->xconsole );
+ p_intf_key p_cur;
+ p_intf_key p_next;
+
+ /* Unload channels */
+ intf_UnloadChannels( p_intf );
- /* Destroy all remaining input threads */
- for( i_thread = 0; i_thread < INPUT_MAX_THREADS; i_thread++ )
+ /* Destroy interfaces */
+ p_intf->pf_close( p_intf );
+
+ /* Close input thread, if any (blocking) */
+ if( p_intf->p_input )
+ {
+ input_DestroyThread( p_intf->p_input, NULL );
+ }
+
+ /* Destroy keymap */
+ p_cur = p_intf->p_keys;
+ while( p_cur != NULL)
{
- if( p_intf->pp_input[i_thread] != NULL )
- {
- input_DestroyThread( p_intf->pp_input[i_thread] );
- }
+ p_next = p_cur->next;
+ free(p_cur);
+ p_cur = p_next;
}
+
+ /* Unlock module */
+ module_Unneed( p_intf->p_module );
+
+ vlc_mutex_destroy( &p_intf->change_lock );
+
+ /* Free structure */
+ free( p_intf );
+}
- /* Destroy all remaining video output threads - all destruction orders are send,
- * then all THREAD_OVER status are received */
- for( i_thread = 0, b_thread = 0; i_thread < VOUT_MAX_THREADS; i_thread++ )
+/*****************************************************************************
+ * intf_AssignKey: assign standartkeys *
+ *****************************************************************************
+ * This function fills in the associative array that links the key pressed *
+ * and the key we use internally. Support one extra parameter. *
+ ****************************************************************************/
+void intf_AssignKey( intf_thread_t *p_intf, int r_key, int f_key, int param)
+{
+ p_intf_key p_cur = p_intf->p_keys;
+ if( p_cur == NULL )
+ {
+ p_cur = (p_intf_key )(malloc ( sizeof( intf_key ) ) );
+ p_cur->received_key = r_key;
+ p_cur->forwarded.key = f_key;
+ p_cur->forwarded.param = param;
+ p_cur->next = NULL;
+ p_intf->p_keys = p_cur;
+ }
+ else
{
- if( p_intf->pp_vout[i_thread] != NULL )
+ while( p_cur->next != NULL && p_cur ->received_key != r_key)
{
- vout_DestroyThread( p_intf->pp_vout[i_thread], &pi_vout_status[i_thread] );
- b_thread = 1;
+ p_cur = p_cur->next;
}
+ if( p_cur->next == NULL )
+ {
+ p_cur->next = ( p_intf_key )( malloc( sizeof( intf_key ) ) );
+ p_cur = p_cur->next;
+ p_cur->next = NULL;
+ p_cur->forwarded.param = param;
+ p_cur->received_key = r_key;
+ }
+ p_cur->forwarded.key = f_key;
+ }
+}
+
+/* Basic getKey function... */
+keyparm intf_GetKey( intf_thread_t *p_intf, int r_key)
+{
+ keyparm reply;
+
+ p_intf_key current = p_intf->p_keys;
+ while(current != NULL && current->received_key != r_key)
+ {
+ current = current->next;
+ }
+ if(current == NULL)
+ { /* didn't find any key in the array */
+ reply.key = INTF_KEY_UNKNOWN;
+ reply.param = 0;
+ }
+ else
+ {
+ reply.key = current->forwarded.key;
+ reply.param = current->forwarded.param;
}
- while( b_thread )
+ return reply;
+}
+
+/*****************************************************************************
+* intf_AssignNormalKeys: used for normal interfaces.
+*****************************************************************************
+* This function assign the basic key to the normal keys.
+*****************************************************************************/
+
+void intf_AssignNormalKeys( intf_thread_t *p_intf)
+{
+ p_intf->p_intf_get_key = intf_GetKey;
+
+ intf_AssignKey( p_intf , 'Q', INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , 'q', INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , 27, INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , 3, INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , '0', INTF_KEY_SET_CHANNEL, 0);
+ intf_AssignKey( p_intf , '1', INTF_KEY_SET_CHANNEL, 1);
+ intf_AssignKey( p_intf , '2', INTF_KEY_SET_CHANNEL, 2);
+ intf_AssignKey( p_intf , '3', INTF_KEY_SET_CHANNEL, 3);
+ intf_AssignKey( p_intf , '4', INTF_KEY_SET_CHANNEL, 4);
+ intf_AssignKey( p_intf , '5', INTF_KEY_SET_CHANNEL, 5);
+ intf_AssignKey( p_intf , '6', INTF_KEY_SET_CHANNEL, 6);
+ intf_AssignKey( p_intf , '7', INTF_KEY_SET_CHANNEL, 7);
+ intf_AssignKey( p_intf , '8', INTF_KEY_SET_CHANNEL, 8);
+ intf_AssignKey( p_intf , '9', INTF_KEY_SET_CHANNEL, 9);
+ intf_AssignKey( p_intf , '0', INTF_KEY_SET_CHANNEL, 0);
+ intf_AssignKey( p_intf , '+', INTF_KEY_INC_VOLUME, 0);
+ intf_AssignKey( p_intf , '-', INTF_KEY_DEC_VOLUME, 0);
+ intf_AssignKey( p_intf , 'm', INTF_KEY_TOGGLE_VOLUME, 0);
+ intf_AssignKey( p_intf , 'M', INTF_KEY_TOGGLE_VOLUME, 0);
+ intf_AssignKey( p_intf , 'g', INTF_KEY_DEC_GAMMA, 0);
+ intf_AssignKey( p_intf , 'G', INTF_KEY_INC_GAMMA, 0);
+ intf_AssignKey( p_intf , 'c', INTF_KEY_TOGGLE_GRAYSCALE, 0);
+ intf_AssignKey( p_intf , ' ', INTF_KEY_TOGGLE_INTERFACE, 0);
+ intf_AssignKey( p_intf , 'i', INTF_KEY_TOGGLE_INFO, 0);
+ intf_AssignKey( p_intf , 's', INTF_KEY_TOGGLE_SCALING, 0);
+ intf_AssignKey( p_intf , 'd', INTF_KEY_DUMP_STREAM, 0);
+}
+
+/*****************************************************************************
+ * intf_ProcessKey: process standard keys
+ *****************************************************************************
+ * This function will process standard keys and return non 0 if the key was
+ * unknown.
+ *****************************************************************************/
+int intf_ProcessKey( intf_thread_t *p_intf, int g_key )
+{
+ static int i_volbackup;
+ keyparm k_reply;
+
+ k_reply = intf_GetKey( p_intf, g_key);
+ switch( k_reply.key )
{
- msleep( INTF_IDLE_SLEEP );
- b_thread = 0;
- for( i_thread = 0; i_thread < VOUT_MAX_THREADS; i_thread++ )
+ case INTF_KEY_QUIT: /* quit order */
+ p_intf->b_die = 1;
+ break;
+ case INTF_KEY_SET_CHANNEL:
+ /* Change channel - return code is ignored since SelectChannel displays
+ * its own error messages */
+/* intf_SelectChannel( p_intf, k_reply.param ); */
+/* network_ChannelJoin() */
+/* FIXME : keyboard event is for the time being half handled by the interface
+ * half handled directly by the plugins. We should decide what to do. */
+ break;
+ case INTF_KEY_INC_VOLUME: /* volume + */
+ if( (p_main->p_aout != NULL) && (p_main->p_aout->i_vol < VOLUME_MAX) )
+ p_main->p_aout->i_vol += VOLUME_STEP;
+ break;
+ case INTF_KEY_DEC_VOLUME: /* volume - */
+ if( (p_main->p_aout != NULL) && (p_main->p_aout->i_vol > VOLUME_STEP) )
+ p_main->p_aout->i_vol -= VOLUME_STEP;
+ break;
+ case INTF_KEY_TOGGLE_VOLUME: /* toggle mute */
+ if( (p_main->p_aout != NULL) && (p_main->p_aout->i_vol))
{
- if( (p_intf->pp_vout[i_thread] != NULL)
- && (pi_vout_status[i_thread] != THREAD_OVER) )
- {
- b_thread = 1;
- }
+ i_volbackup = p_main->p_aout->i_vol;
+ p_main->p_aout->i_vol = 0;
}
+ else if( (p_main->p_aout != NULL) && (!p_main->p_aout->i_vol))
+ p_main->p_aout->i_vol = i_volbackup;
+ break;
+ case INTF_KEY_DEC_GAMMA: /* gamma - */
+ if( (p_main->p_vout != NULL) && (p_main->p_vout->f_gamma > -INTF_GAMMA_LIMIT) )
+ {
+ /* FIXME: we should lock if called from the interface */
+ p_main->p_vout->f_gamma -= INTF_GAMMA_STEP;
+ p_main->p_vout->i_changes |= VOUT_GAMMA_CHANGE;
+ }
+ break;
+ case INTF_KEY_INC_GAMMA: /* gamma + */
+ if( (p_main->p_vout != NULL) && (p_main->p_vout->f_gamma < INTF_GAMMA_LIMIT) )
+ {
+ /* FIXME: we should lock if called from the interface */
+ p_main->p_vout->f_gamma += INTF_GAMMA_STEP;
+ p_main->p_vout->i_changes |= VOUT_GAMMA_CHANGE;
+ }
+ break;
+ case INTF_KEY_DUMP_STREAM:
+ if( p_intf->p_input != NULL )
+ {
+ vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
+ input_DumpStream( p_intf->p_input );
+ vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
+ }
+ break;
+ default: /* unknown key */
+ return( 1 );
}
-
+ return( 0 );
}
projects / vlc / blobdiff