X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Finterface%2Finterface.c;h=baa305a532f375870e166809f948fd1fefb7826d;hb=0597403277c49d3fc23da19fb6f6954e984bae86;hp=fc95c5d935fb352bbb492307a01a0ba4218c1630;hpb=d8f54d49fb3254183481e62918deedbbfa3dcee7;p=vlc diff --git a/src/interface/interface.c b/src/interface/interface.c index fc95c5d935..baa305a532 100644 --- a/src/interface/interface.c +++ b/src/interface/interface.c @@ -3,7 +3,7 @@ * This library provides basic functions for threads to interact with user * interface, such as command line. ***************************************************************************** - * Copyright (C) 1998-2004 VideoLAN + * Copyright (C) 1998-2007 the VideoLAN team * $Id$ * * Authors: Vincent Seguin @@ -20,7 +20,7 @@ * * 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. *****************************************************************************/ /** @@ -32,45 +32,54 @@ /***************************************************************************** * 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 "vlc_interface.h" - -#include "vlc_video.h" -#include "video_output.h" +#include "libvlc.h" /***************************************************************************** * Local prototypes *****************************************************************************/ -static void Manager( intf_thread_t *p_intf ); -static void RunInterface( intf_thread_t *p_intf ); - -static int SwitchIntfCallback( vlc_object_t *, char const *, - vlc_value_t , vlc_value_t , void * ); +static void* RunInterface( vlc_object_t *p_this ); +#if defined( __APPLE__ ) || defined( WIN32 ) +static void * MonitorLibVLCDeath( vlc_object_t *p_this ); +#endif static int AddIntfCallback( vlc_object_t *, char const *, vlc_value_t , vlc_value_t , void * ); -/***************************************************************************** - * intf_Create: prepare interface before main loop - ***************************************************************************** - * This function opens output devices and creates specific interfaces. It sends - * its own error messages. - *****************************************************************************/ /** - * Create the interface, and prepare it for main loop. + * Destroy the interface after the main loop endeed. * - * \param p_this the calling vlc_object_t - * \param psz_module a prefered interface module - * \return a pointer to the created interface thread, NULL on error + * @param p_obj: the interface thread + */ +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 ); +} + + +/** + * Create the interface, and prepare it for main loop. It opens ouput device + * and creates specific interfaces. Sends its own error messages. + * + * @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 ) { @@ -79,180 +88,105 @@ intf_thread_t* __intf_Create( vlc_object_t *p_this, const char *psz_module ) /* Allocate structure */ p_intf = vlc_object_create( p_this, VLC_OBJECT_INTF ); if( !p_intf ) - { - msg_Err( p_this, "out of memory" ); return NULL; - } - p_intf->pf_request_window = NULL; - p_intf->pf_release_window = NULL; - p_intf->pf_control_window = NULL; +#if defined( __APPLE__ ) || defined( WIN32 ) + 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, 0 ); + p_intf->psz_intf = strdup( psz_module ); + p_intf->p_module = module_need( p_intf, "interface", psz_module, true ); 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; - /* 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; } -/***************************************************************************** - * 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. - *****************************************************************************/ + /** - * Run the interface thread. + * Starts and runs the interface thread. * - * If b_block is not set, runs the interface in the thread, else, - * creates a new thread and runs the interface. - * \param p_intf the interface thread - * \return VLC_SUCCESS on success, an error number else + * @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 ) +#if defined( __APPLE__ ) || defined( WIN32 ) + /* 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 ) ) { - msg_Err( p_intf, "cannot spawn manager thread" ); + msg_Err( p_intf, "cannot spawn libvlc death monitoring thread" ); return VLC_EGENERIC; } + RunInterface( VLC_OBJECT(p_intf) ); - RunInterface( 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_kill( 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 ) ) { - /* Run the interface in a separate thread */ - if( vlc_thread_create( p_intf, "interface", RunInterface, - 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; } + /** * Stops the interface thread * * This function asks the interface thread to stop - * \param p_intf the interface thread - * \return nothing + * @param p_intf the interface thread */ 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 ); } -/** - * \brief Destroy the interface after the main loop endeed. - * - * Destroys interfaces and closes output devices - * \param p_intf the interface thread - * \return nothing - */ -void intf_Destroy( intf_thread_t *p_intf ) -{ - /* Unlock module */ - module_Unneed( p_intf, p_intf->p_module ); - - vlc_mutex_destroy( &p_intf->change_lock ); - - /* Free structure */ - vlc_object_destroy( p_intf ); -} /* Following functions are local */ -/***************************************************************************** - * 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. - *****************************************************************************/ /** - * \brief Helper thread for blocking interfaces. - * \ingroup vlc_interface + * RunInterface: setups necessary data and give control to the interface * - * This is a local function - * 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. - * \see intf_RunThread - * \param p_intf an interface thread - * \return nothing + * @param p_this: interface object */ -static void Manager( intf_thread_t *p_intf ) -{ - while( !p_intf->b_die ) - { - msleep( INTF_IDLE_SLEEP ); - - if( p_intf->p_vlc->b_die ) - { - p_intf->b_die = VLC_TRUE; - return; - } - } -} - -/***************************************************************************** - * RunInterface: setups necessary data and give control to the interface - *****************************************************************************/ -static void RunInterface( intf_thread_t *p_intf ) +static void* RunInterface( vlc_object_t *p_this ) { + intf_thread_t *p_intf = (intf_thread_t *)p_this; vlc_value_t val, text; - - /* Variable used for interface switching */ - p_intf->psz_switch_intf = NULL; - var_Create( p_intf, "intf-switch", VLC_VAR_STRING | - VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND ); - text.psz_string = _("Switch interface"); - var_Change( p_intf, "intf-switch", VLC_VAR_SETTEXT, &text, NULL ); - - val.psz_string = "skins"; text.psz_string = "Skins"; - var_Change( p_intf, "intf-switch", VLC_VAR_ADDCHOICE, &val, &text ); - val.psz_string = "skins2"; text.psz_string = "Skins 2"; - var_Change( p_intf, "intf-switch", VLC_VAR_ADDCHOICE, &val, &text ); - val.psz_string = "wxwin"; text.psz_string = "wxWindows"; - var_Change( p_intf, "intf-switch", VLC_VAR_ADDCHOICE, &val, &text ); - - var_AddCallback( p_intf, "intf-switch", SwitchIntfCallback, NULL ); + int canc = vlc_savecancel (); /* Variable used for interface spawning */ var_Create( p_intf, "intf-add", VLC_VAR_STRING | @@ -260,67 +194,84 @@ static void RunInterface( intf_thread_t *p_intf ) text.psz_string = _("Add Interface"); var_Change( p_intf, "intf-add", VLC_VAR_SETTEXT, &text, NULL ); - val.psz_string = "rc"; text.psz_string = "Console"; + val.psz_string = (char *)"rc"; + text.psz_string = (char *)_("Console"); var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); - val.psz_string = "telnet"; text.psz_string = "Telnet Interface"; + 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 = "http"; text.psz_string = "Web Interface"; + 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 = "logger"; text.psz_string = "Debug logging"; + 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 = "sap"; text.psz_string = "SAP Playlist"; - var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); - val.psz_string = "gestures"; text.psz_string = "Mouse Gestures"; + val.psz_string = (char *)"gestures"; + text.psz_string = (char *)_("Mouse Gestures"); var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text ); var_AddCallback( p_intf, "intf-add", AddIntfCallback, NULL ); + vlc_restorecancel (canc); /* Give control to the interface */ - p_intf->pf_run( p_intf ); - - /* Provide ability to switch the main interface on the fly */ - while( p_intf->psz_switch_intf ) - { - char *psz_intf = p_intf->psz_switch_intf; - p_intf->psz_switch_intf = NULL; - p_intf->b_die = VLC_FALSE; + if( p_intf->pf_run ) + p_intf->pf_run( p_intf ); - /* Make sure the old interface is completely uninitialised */ - module_Unneed( p_intf, p_intf->p_module ); + return NULL; +} - p_intf->p_module = module_Need( p_intf, "interface", psz_intf, 0 ); - free( psz_intf ); +#if defined( __APPLE__ ) || defined( WIN32 ) +/** + * MonitorLibVLCDeath: Used when b_should_run_on_first_thread is set. + * + * @param p_this: the interface object + */ +static void * MonitorLibVLCDeath( vlc_object_t * p_this ) +{ + intf_thread_t *p_intf = (intf_thread_t *)p_this; + libvlc_int_t * p_libvlc = p_intf->p_libvlc; + int canc = vlc_savecancel (); - if( p_intf->p_module ) + vlc_object_lock( p_libvlc ); + while(vlc_object_alive( p_libvlc ) ) + { + if(p_intf->b_die) { - p_intf->pf_run( p_intf ); + vlc_object_unlock( p_libvlc ); + return NULL; } - else break; + vlc_object_wait( p_libvlc ); } -} - -static int SwitchIntfCallback( 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 = (intf_thread_t *)p_this; + vlc_object_unlock( p_libvlc ); - p_intf->psz_switch_intf = - malloc( strlen(newval.psz_string) + sizeof(",none") ); - sprintf( p_intf->psz_switch_intf, "%s,none", newval.psz_string ); - p_intf->b_die = VLC_TRUE; + /* Someone killed libvlc */ - return VLC_SUCCESS; + /* 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 ); + vlc_restorecancel (canc); + return NULL; } +#endif static int AddIntfCallback( vlc_object_t *p_this, char const *psz_cmd, vlc_value_t oldval, vlc_value_t newval, void *p_data ) { + (void)psz_cmd; (void)oldval; (void)p_data; intf_thread_t *p_intf; - char *psz_intf = malloc( strlen(newval.psz_string) + sizeof(",none") ); + char* psz_intf; /* Try to create the interface */ - sprintf( psz_intf, "%s,none", newval.psz_string ); - p_intf = intf_Create( p_this->p_vlc, psz_intf ); + if( asprintf( &psz_intf, "%s,none", newval.psz_string ) == -1 ) + return VLC_ENOMEM; + + p_intf = intf_Create( p_this->p_libvlc, psz_intf ); free( psz_intf ); if( p_intf == NULL ) { @@ -330,13 +281,13 @@ static int AddIntfCallback( vlc_object_t *p_this, char const *psz_cmd, } /* Try to run the interface */ - p_intf->b_block = VLC_FALSE; if( intf_RunThread( p_intf ) != VLC_SUCCESS ) { vlc_object_detach( p_intf ); - intf_Destroy( p_intf ); + vlc_object_release( p_intf ); return VLC_EGENERIC; } return VLC_SUCCESS; } +