X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Finterface%2Finterface.c;h=e6349841b568db19c93ca4c365fdab7a64e85b5d;hb=ebfa902609e9494c96d9a0a23f4e4ae7b8c4d98a;hp=f964912b4edde7a0feb006f8bf668b184667dac3;hpb=0b8b405cbb0020e1ad51b5fa8cff197ae389e3a8;p=vlc diff --git a/src/interface/interface.c b/src/interface/interface.c index f964912b4e..e6349841b5 100644 --- a/src/interface/interface.c +++ b/src/interface/interface.c @@ -3,8 +3,8 @@ * This library provides basic functions for threads to interact with user * interface, such as command line. ***************************************************************************** - * Copyright (C) 1998-2001 VideoLAN - * $Id: interface.c,v 1.103 2003/02/07 01:09:12 sam Exp $ + * Copyright (C) 1998-2007 the VideoLAN team + * $Id$ * * Authors: Vincent Seguin * @@ -12,7 +12,7 @@ * 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 @@ -20,32 +20,59 @@ * * 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. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ +/** + * \file + * This file contains functions related to interface management + */ + + /***************************************************************************** * Preamble *****************************************************************************/ -#include /* free(), strtol() */ -#include /* FILE */ -#include /* strerror() */ -#include +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif -#include "stream_control.h" -#include "input_ext-intf.h" +#include -#include "audio_output.h" +#include +#include -#include "interface.h" - -#include "video.h" -#include "video_output.h" +#include "vlc_interface.h" +#include "modules/modules.h" // Gruik! +#include "libvlc.h" /***************************************************************************** * Local prototypes *****************************************************************************/ -static void Manager( intf_thread_t *p_intf ); +static void RunInterface( intf_thread_t *p_intf ); +#ifdef __APPLE__ +static void MonitorLibVLCDeath( intf_thread_t *p_intf ); +#endif +static int AddIntfCallback( vlc_object_t *, char const *, + vlc_value_t , vlc_value_t , void * ); + +/** + * \brief Destroy the interface after the main loop endeed. + * + * \param p_intf the interface thread + * \return nothing + */ +static void intf_Destroy( vlc_object_t *obj ) +{ + intf_thread_t *p_intf = (intf_thread_t *)obj; + + /* Unlock module if present (a switch may have failed) */ + if( p_intf->p_module ) + module_Unneed( p_intf, p_intf->p_module ); + + free( p_intf->psz_intf ); + vlc_mutex_destroy( &p_intf->change_lock ); +} /***************************************************************************** * intf_Create: prepare interface before main loop @@ -53,52 +80,48 @@ static void Manager( intf_thread_t *p_intf ); * This function opens output devices and creates specific interfaces. It sends * its own error messages. *****************************************************************************/ +/** + * Create the interface, and prepare it for main loop. + * + * \param p_this the calling vlc_object_t + * \param psz_module a preferred interface module + * \return a pointer to the created interface thread, NULL on error + */ intf_thread_t* __intf_Create( vlc_object_t *p_this, const char *psz_module ) { intf_thread_t * p_intf; - char *psz_intf; /* Allocate structure */ p_intf = vlc_object_create( p_this, VLC_OBJECT_INTF ); if( !p_intf ) - { - msg_Err( p_this, "out of memory" ); return NULL; - } - - /* XXX: workaround for a bug in VLC 0.5.0 where the dvdplay plugin was - * registering itself in $interface, which we do not want to happen. */ - psz_intf = config_GetPsz( p_intf, "intf" ); - if( psz_intf ) - { - if( !strcasecmp( psz_intf, "dvdplay" ) ) - { - config_PutPsz( p_intf, "intf", "" ); - } - free( psz_intf ); - } + p_intf->b_interaction = false; +#ifdef __APPLE__ + p_intf->b_should_run_on_first_thread = false; +#endif /* Choose the best module */ - p_intf->p_module = module_Need( p_intf, "interface", psz_module ); + p_intf->psz_intf = strdup( psz_module ); + p_intf->p_module = module_Need( p_intf, "interface", psz_module, false ); if( p_intf->p_module == NULL ) { - msg_Err( p_intf, "no suitable intf module" ); - vlc_object_destroy( p_intf ); + msg_Err( p_intf, "no suitable interface module" ); + free( p_intf->psz_intf ); + vlc_object_release( p_intf ); return NULL; } /* Initialize structure */ - p_intf->b_menu = VLC_FALSE; - p_intf->b_menu_change = VLC_FALSE; + p_intf->b_menu = false; + p_intf->b_menu_change = false; /* Initialize mutexes */ - vlc_mutex_init( p_intf, &p_intf->change_lock ); - - msg_Dbg( p_intf, "interface initialized" ); + vlc_mutex_init( &p_intf->change_lock ); /* Attach interface to its parent object */ vlc_object_attach( p_intf, p_this ); + vlc_object_set_destructor( p_intf, intf_Destroy ); return p_intf; } @@ -106,94 +129,196 @@ intf_thread_t* __intf_Create( vlc_object_t *p_this, const char *psz_module ) /***************************************************************************** * intf_RunThread: launch the interface thread ***************************************************************************** - * This function either creates a new thread and runs the interface in it, - * or runs the interface in the current thread, depending on b_block. + * This function either creates a new thread and runs the interface in it. *****************************************************************************/ +/** + * Starts and runs the interface thread. + * + * \param p_intf the interface thread + * \return VLC_SUCCESS on success, an error number else + */ int intf_RunThread( intf_thread_t *p_intf ) { - if( p_intf->b_block ) +#ifdef __APPLE__ + /* Hack to get Mac OS X Cocoa runtime running + * (it needs access to the main thread) */ + if( p_intf->b_should_run_on_first_thread ) { - /* Run a manager thread, launch the interface, kill the manager */ - if( vlc_thread_create( p_intf, "manager", Manager, - VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) ) + if( vlc_thread_create( p_intf, "interface", MonitorLibVLCDeath, + VLC_THREAD_PRIORITY_LOW, false ) ) { - msg_Err( p_intf, "cannot spawn manager thread" ); + msg_Err( p_intf, "cannot spawn libvlc death monitoring thread" ); return VLC_EGENERIC; } + RunInterface( p_intf ); - p_intf->pf_run( p_intf ); - - p_intf->b_die = VLC_TRUE; + /* Make sure our MonitorLibVLCDeath thread exit */ + vlc_object_kill( p_intf ); + /* It is monitoring libvlc, not the p_intf */ + vlc_object_signal( p_intf->p_libvlc ); + vlc_thread_join( p_intf ); - /* Do not join the thread... intf_StopThread will do it for us */ + vlc_object_detach( p_intf ); + vlc_object_release( p_intf ); + return VLC_SUCCESS; } - else +#endif + /* Run the interface in a separate thread */ + if( vlc_thread_create( p_intf, "interface", RunInterface, + VLC_THREAD_PRIORITY_LOW, false ) ) { - /* Run the interface in a separate thread */ - if( vlc_thread_create( p_intf, "interface", p_intf->pf_run, - VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) ) - { - msg_Err( p_intf, "cannot spawn interface thread" ); - return VLC_EGENERIC; - } + msg_Err( p_intf, "cannot spawn interface thread" ); + return VLC_EGENERIC; } return VLC_SUCCESS; } -/***************************************************************************** - * intf_StopThread: end the interface thread - ***************************************************************************** - * This function asks the interface thread to stop. - *****************************************************************************/ +/** + * Stops the interface thread + * + * This function asks the interface thread to stop + * \param p_intf the interface thread + * \return nothing + */ void intf_StopThread( intf_thread_t *p_intf ) { /* Tell the interface to die */ - if( !p_intf->b_block ) - { - p_intf->b_die = VLC_TRUE; - } - - /* Wait for the thread to exit */ + vlc_object_kill( p_intf ); vlc_thread_join( p_intf ); } +/* Following functions are local */ + /***************************************************************************** - * intf_Destroy: clean interface after main loop - ***************************************************************************** - * This function destroys specific interfaces and close output devices. + * RunInterface: setups necessary data and give control to the interface *****************************************************************************/ -void intf_Destroy( intf_thread_t *p_intf ) +static void RunInterface( intf_thread_t *p_intf ) { - /* Unlock module */ - module_Unneed( p_intf, p_intf->p_module ); + vlc_value_t val, text; + char *psz_intf; - vlc_mutex_destroy( &p_intf->change_lock ); + /* Variable used for interface spawning */ + var_Create( p_intf, "intf-add", VLC_VAR_STRING | + VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND ); + text.psz_string = _("Add Interface"); + var_Change( p_intf, "intf-add", VLC_VAR_SETTEXT, &text, NULL ); - /* Free structure */ - vlc_object_destroy( p_intf ); -} + val.psz_string = (char *)"rc"; + text.psz_string = (char *)_("Console"); + var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); + val.psz_string = (char *)"telnet"; + text.psz_string = (char *)_("Telnet Interface"); + var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); + val.psz_string = (char *)"http"; + text.psz_string = (char *)_("Web Interface"); + var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); + val.psz_string = (char *)"logger"; + text.psz_string = (char *)_("Debug logging"); + var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); + val.psz_string = (char *)"gestures"; + text.psz_string = (char *)_("Mouse Gestures"); + var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); -/* Following functions are local */ + var_AddCallback( p_intf, "intf-add", AddIntfCallback, NULL ); + + do + { + /* Give control to the interface */ + if( p_intf->pf_run ) + p_intf->pf_run( p_intf ); + else + { + vlc_object_lock( p_intf ); + while( vlc_object_alive( p_intf ) ) + vlc_object_wait( p_intf ); + vlc_object_unlock( p_intf ); + } + + if( !p_intf->psz_switch_intf ) + { + break; + } + + /* Make sure the old interface is completely uninitialized */ + module_Unneed( p_intf, p_intf->p_module ); + + /* Provide ability to switch the main interface on the fly */ + psz_intf = p_intf->psz_switch_intf; + p_intf->psz_switch_intf = NULL; + + vlc_object_lock( p_intf ); + p_intf->b_die = false; /* FIXME */ + p_intf->b_dead = false; + + vlc_object_unlock( p_intf ); + + p_intf->psz_intf = psz_intf; + p_intf->p_module = module_Need( p_intf, "interface", psz_intf, 0 ); + } + while( p_intf->p_module ); +} +#ifdef __APPLE__ /***************************************************************************** - * Manager: helper thread for blocking interfaces - ***************************************************************************** - * If the interface is launched in the main thread, it will not listen to - * p_vlc->b_die events because it is only supposed to listen to p_intf->b_die. - * This thread takes care of the matter. + * MonitorLibVLCDeath: Used when b_should_run_on_first_thread is set. *****************************************************************************/ -static void Manager( intf_thread_t *p_intf ) +static void MonitorLibVLCDeath( intf_thread_t *p_intf ) { - while( !p_intf->b_die ) + libvlc_int_t * p_libvlc = p_intf->p_libvlc; + vlc_object_lock( p_libvlc ); + while(vlc_object_alive( p_libvlc ) ) { - msleep( INTF_IDLE_SLEEP ); - - if( p_intf->p_vlc->b_die ) + if(p_intf->b_die) { - p_intf->b_die = VLC_TRUE; + vlc_object_unlock( p_libvlc ); return; } + vlc_object_wait( p_libvlc ); + } + vlc_object_unlock( p_libvlc ); + + /* Someone killed libvlc */ + + /* Make sure we kill all interface objects, especially + * those that are blocking libvlc (running on main thread) */ + vlc_list_t * p_list = vlc_list_find( p_libvlc, VLC_OBJECT_INTF, FIND_CHILD ); + for( int i = 0; i < p_list->i_count; i++ ) + { + vlc_object_t * p_intf = p_list->p_values[i].p_object; + vlc_object_kill( p_intf ); + } + vlc_list_release( p_list ); +} +#endif + +static int AddIntfCallback( vlc_object_t *p_this, char const *psz_cmd, + vlc_value_t oldval, vlc_value_t newval, void *p_data ) +{ + intf_thread_t *p_intf; + char *psz_intf = malloc( strlen(newval.psz_string) + sizeof(",none") ); + + (void)psz_cmd; (void)oldval; (void)p_data; + + /* Try to create the interface */ + sprintf( psz_intf, "%s,none", newval.psz_string ); + p_intf = intf_Create( p_this->p_libvlc, psz_intf ); + free( psz_intf ); + if( p_intf == NULL ) + { + msg_Err( p_this, "interface \"%s\" initialization failed", + newval.psz_string ); + return VLC_EGENERIC; } + + /* Try to run the interface */ + if( intf_RunThread( p_intf ) != VLC_SUCCESS ) + { + vlc_object_detach( p_intf ); + vlc_object_release( p_intf ); + return VLC_EGENERIC; + } + + return VLC_SUCCESS; }