input_manager.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:28k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * input_manager.cpp : Manage an input and interact with its GUI elements
- ****************************************************************************
- * Copyright (C) 2006-2008 the VideoLAN team
- * $Id: d032f55b19d2e55dbf8a58fc3d9d70e9470c861e $
- *
- * Authors: Clément Stenac <zorglub@videolan.org>
- * Ilkka Ollakka <ileoo@videolan.org>
- * Jean-Baptiste <jb@videolan.org>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include "input_manager.hpp"
- #include <vlc_keys.h>
- #include <vlc_url.h>
- #include <QApplication>
- #include <assert.h>
- static int ItemChanged( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void * );
- static int PLItemChanged( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void * );
- static int VolumeChanged( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void * );
- static int InputEvent( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void * );
- static int VbiEvent( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void * );
- /**********************************************************************
- * InputManager implementation
- **********************************************************************
- * The Input Manager can be the main one around the playlist
- * But can also be used for VLM dialog or similar
- **********************************************************************/
- InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
- QObject( parent ), p_intf( _p_intf )
- {
- i_old_playing_status = END_S;
- oldName = "";
- artUrl = "";
- p_input = NULL;
- i_rate = 0;
- i_input_id = 0;
- b_video = false;
- timeA = 0;
- timeB = 0;
- f_cache = -1.; /* impossible initial value, different from all */
- }
- InputManager::~InputManager()
- {
- delInput();
- }
- /* Define the Input used.
- Add the callbacks on input
- p_input is held once here */
- void InputManager::setInput( input_thread_t *_p_input )
- {
- delInput();
- p_input = _p_input;
- if( p_input && !( p_input->b_dead || !vlc_object_alive (p_input) ) )
- {
- msg_Dbg( p_intf, "IM: Setting an input" );
- vlc_object_hold( p_input );
- emit statusChanged( PLAYING_S );
- UpdateName();
- UpdateArt();
- UpdateTeletext();
- UpdateNavigation();
- UpdateVout();
- addCallbacks();
- i_input_id = input_GetItem( p_input )->i_id;
- }
- else
- {
- p_input = NULL;
- i_input_id = 0;
- emit rateChanged( INPUT_RATE_DEFAULT );
- }
- }
- /* delete Input if it ever existed.
- Delete the callbacls on input
- p_input is released once here */
- void InputManager::delInput()
- {
- if( !p_input ) return;
- msg_Dbg( p_intf, "IM: Deleting the input" );
- delCallbacks();
- i_old_playing_status = END_S;
- i_input_id = 0;
- oldName = "";
- artUrl = "";
- b_video = false;
- timeA = 0;
- timeB = 0;
- vlc_object_release( p_input );
- p_input = NULL;
- emit positionUpdated( -1.0, 0 ,0 );
- emit rateChanged( INPUT_RATE_DEFAULT ); /* TODO: Do we want this ? */
- emit nameChanged( "" );
- emit chapterChanged( 0 );
- emit titleChanged( 0 );
- emit statusChanged( END_S );
- emit teletextPossible( false );
- emit AtoBchanged( false, false );
- emit voutChanged( false );
- emit voutListChanged( NULL, 0 );
- /* Reset all InfoPanels but stats */
- emit artChanged( NULL );
- emit infoChanged( NULL );
- emit metaChanged( (input_item_t *)NULL );
- emit encryptionChanged( false );
- emit recordingStateChanged( false );
- }
- /* Convert the event from the callbacks in actions */
- void InputManager::customEvent( QEvent *event )
- {
- int i_type = event->type();
- IMEvent *ple = static_cast<IMEvent *>(event);
- if( i_type == ItemChanged_Type )
- UpdateMeta( ple->i_id );
- if( !hasInput() )
- return;
- #ifndef NDEBUG
- if( i_type != PositionUpdate_Type &&
- i_type != StatisticsUpdate_Type &&
- i_type != ItemChanged_Type )
- msg_Dbg( p_intf, "New Event: type %i", i_type );
- #endif
- /* Actions */
- switch( i_type )
- {
- case PositionUpdate_Type:
- UpdatePosition();
- break;
- case StatisticsUpdate_Type:
- UpdateStats();
- break;
- case ItemChanged_Type:
- /* Ignore ItemChanged_Type event that does not apply to our input */
- if( i_input_id == ple->i_id )
- {
- UpdateStatus();
- // UpdateName();
- UpdateArt();
- /* Update duration of file */
- }
- break;
- case ItemStateChanged_Type:
- // TODO: Fusion with above state
- UpdateStatus();
- // UpdateName();
- // UpdateNavigation(); This shouldn't be useful now
- // UpdateTeletext(); Same
- break;
- case NameChanged_Type:
- UpdateName();
- break;
- case MetaChanged_Type:
- UpdateMeta();
- UpdateName(); /* Needed for NowPlaying */
- UpdateArt(); /* Art is part of meta in the core */
- break;
- case InfoChanged_Type:
- UpdateInfo();
- break;
- case ItemTitleChanged_Type:
- UpdateNavigation();
- UpdateName(); /* Display the name of the Chapter, if exists */
- break;
- case ItemRateChanged_Type:
- UpdateRate();
- break;
- case ItemEsChanged_Type:
- UpdateTeletext();
- // We don't do anything ES related. Why ?
- break;
- case ItemTeletextChanged_Type:
- UpdateTeletext();
- break;
- case InterfaceVoutUpdate_Type:
- UpdateVout();
- break;
- case SynchroChanged_Type:
- emit synchroChanged();
- break;
- case CachingEvent_Type:
- UpdateCaching();
- break;
- case BookmarksChanged_Type:
- emit bookmarksChanged();
- break;
- case InterfaceAoutUpdate_Type:
- UpdateAout();
- break;
- case RecordingEvent_Type:
- UpdateRecord();
- break;
- case ProgramChanged_Type:
- UpdateProgramEvent();
- break;
- default:
- msg_Warn( p_intf, "This shouldn't happen: %i", i_type );
- assert(0);
- }
- }
- /* Add the callbacks on Input. Self explanatory */
- inline void InputManager::addCallbacks()
- {
- var_AddCallback( p_input, "intf-event", InputEvent, this );
- }
- /* Delete the callbacks on Input. Self explanatory */
- inline void InputManager::delCallbacks()
- {
- var_DelCallback( p_input, "intf-event", InputEvent, this );
- }
- /* Static callbacks for IM */
- static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *param )
- {
- InputManager *im = (InputManager*)param;
- IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
- QApplication::postEvent( im, event );
- return VLC_SUCCESS;
- }
- static int InputEvent( vlc_object_t *p_this, const char *,
- vlc_value_t, vlc_value_t newval, void *param )
- {
- InputManager *im = (InputManager*)param;
- IMEvent *event;
- switch( newval.i_int )
- {
- case INPUT_EVENT_STATE:
- event = new IMEvent( ItemStateChanged_Type, 0 );
- break;
- case INPUT_EVENT_RATE:
- event = new IMEvent( ItemRateChanged_Type, 0 );
- break;
- case INPUT_EVENT_TIMES:
- event = new IMEvent( PositionUpdate_Type, 0 );
- break;
- case INPUT_EVENT_TITLE:
- case INPUT_EVENT_CHAPTER:
- event = new IMEvent( ItemTitleChanged_Type, 0 );
- break;
- case INPUT_EVENT_ES:
- event = new IMEvent( ItemEsChanged_Type, 0 );
- break;
- case INPUT_EVENT_TELETEXT:
- event = new IMEvent( ItemTeletextChanged_Type, 0 );
- break;
- case INPUT_EVENT_STATISTICS:
- event = new IMEvent( StatisticsUpdate_Type, 0 );
- break;
- case INPUT_EVENT_VOUT:
- event = new IMEvent( InterfaceVoutUpdate_Type, 0 );
- break;
- case INPUT_EVENT_AOUT:
- event = new IMEvent( InterfaceAoutUpdate_Type, 0 );
- break;
- case INPUT_EVENT_ITEM_META: /* Codec MetaData + Art */
- event = new IMEvent( MetaChanged_Type, 0 );
- break;
- case INPUT_EVENT_ITEM_INFO: /* Codec Info */
- event = new IMEvent( InfoChanged_Type, 0 );
- break;
- case INPUT_EVENT_ITEM_NAME:
- event = new IMEvent( NameChanged_Type, 0 );
- break;
- case INPUT_EVENT_AUDIO_DELAY:
- case INPUT_EVENT_SUBTITLE_DELAY:
- event = new IMEvent( SynchroChanged_Type, 0 );
- break;
- case INPUT_EVENT_CACHE:
- event = new IMEvent( CachingEvent_Type, 0 );
- break;
- case INPUT_EVENT_BOOKMARK:
- event = new IMEvent( BookmarksChanged_Type, 0 );
- break;
- case INPUT_EVENT_RECORD:
- event = new IMEvent( RecordingEvent_Type, 0 );
- break;
- case INPUT_EVENT_PROGRAM:
- /* This is for PID changes */
- event = new IMEvent( ProgramChanged_Type, 0 );
- break;
- case INPUT_EVENT_SIGNAL:
- /* This is for capture-card signals */
- /* event = new IMEvent( SignalChanged_Type, 0 );
- break; */
- default:
- event = NULL;
- break;
- }
- if( event )
- QApplication::postEvent( im, event );
- return VLC_SUCCESS;
- }
- static int VbiEvent( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void *param )
- {
- InputManager *im = (InputManager*)param;
- IMEvent *event = new IMEvent( ItemTeletextChanged_Type, 0 );
- QApplication::postEvent( im, event );
- return VLC_SUCCESS;
- }
- void InputManager::UpdatePosition()
- {
- /* Update position */
- int i_length, i_time; /* Int is enough, since we store seconds */
- float f_pos;
- i_length = var_GetTime( p_input , "length" ) / 1000000;
- i_time = var_GetTime( p_input , "time") / 1000000;
- f_pos = var_GetFloat( p_input , "position" );
- emit positionUpdated( f_pos, i_time, i_length );
- }
- void InputManager::UpdateNavigation()
- {
- /* Update navigation status */
- vlc_value_t val; val.i_int = 0;
- if( hasInput() )
- var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
- if( val.i_int > 0 )
- {
- emit titleChanged( true );
- msg_Dbg( p_intf, "Title %i", val.i_int );
- /* p_input != NULL since val.i_int != 0 */
- val.i_int = 0;
- var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
- emit chapterChanged( (val.i_int > 0) );
- msg_Dbg( p_intf, "Chapter: %i", val.i_int );
- }
- else
- emit titleChanged( false );
- }
- void InputManager::UpdateStatus()
- {
- /* Update playing status */
- vlc_value_t val; val.i_int = 0;
- var_Get( p_input, "state", &val );
- if( i_old_playing_status != val.i_int )
- {
- i_old_playing_status = val.i_int;
- emit statusChanged( val.i_int );
- }
- }
- void InputManager::UpdateRate()
- {
- /* Update Rate */
- int i_new_rate = var_GetInteger( p_input, "rate");
- if( i_new_rate != i_rate )
- {
- i_rate = i_new_rate;
- /* Update rate */
- emit rateChanged( i_rate );
- }
- }
- void InputManager::UpdateName()
- {
- /* Update text, name and nowplaying */
- QString text;
- /* Try to get the Title, then the Name */
- char *psz_name = input_item_GetTitleFbName( input_GetItem( p_input ) );
- /* Try to get the nowplaying */
- char *psz_nowplaying =
- input_item_GetNowPlaying( input_GetItem( p_input ) );
- if( !EMPTY_STR( psz_nowplaying ) )
- {
- text.sprintf( "%s - %s", psz_nowplaying, psz_name );
- }
- else /* Do it ourself */
- {
- char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
- if( !EMPTY_STR( psz_artist ) )
- text.sprintf( "%s - %s", psz_artist, psz_name );
- else
- text.sprintf( "%s", psz_name );
- free( psz_artist );
- }
- /* Free everything */
- free( psz_name );
- free( psz_nowplaying );
- /* If we have Nothing */
- if( text.isEmpty() )
- {
- psz_name = input_item_GetURI( input_GetItem( p_input ) );
- text.sprintf( "%s", psz_name );
- text = text.remove( 0, text.lastIndexOf( DIR_SEP ) + 1 );
- free( psz_name );
- }
- if( oldName != text )
- {
- emit nameChanged( text );
- oldName = text;
- }
- }
- bool InputManager::hasAudio()
- {
- if( hasInput() )
- {
- vlc_value_t val;
- var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
- return val.i_int > 0;
- }
- return false;
- }
- void InputManager::UpdateTeletext()
- {
- if( hasInput() )
- {
- const bool b_enabled = var_CountChoices( p_input, "teletext-es" ) > 0;
- const int i_teletext_es = var_GetInteger( p_input, "teletext-es" );
- /* Teletext is possible. Show the buttons */
- emit teletextPossible( b_enabled );
- /* If Teletext is selected */
- if( b_enabled && i_teletext_es >= 0 )
- {
- /* Then, find the current page */
- int i_page = 100;
- bool b_transparent = false;
- vlc_object_t *p_vbi = (vlc_object_t *)
- vlc_object_find_name( p_input, "zvbi", FIND_CHILD );
- if( p_vbi )
- {
- /* We deleted it (if not here, it does not harm), because
- * var_AddCallback will silently add a duplicated one */
- var_DelCallback( p_vbi, "vbi-page", VbiEvent, this );
- /* This callback is not remove explicitly, but interfaces
- * are guaranted to outlive input */
- var_AddCallback( p_vbi, "vbi-page", VbiEvent, this );
- i_page = var_GetInteger( p_vbi, "vbi-page" );
- b_transparent = !var_GetBool( p_vbi, "vbi-opaque" );
- vlc_object_release( p_vbi );
- }
- emit newTelexPageSet( i_page );
- emit teletextTransparencyActivated( b_transparent );
- }
- emit teletextActivated( b_enabled && i_teletext_es >= 0 );
- }
- else
- {
- emit teletextActivated( false );
- emit teletextPossible( false );
- }
- }
- void InputManager::UpdateVout()
- {
- if( hasInput() )
- {
- /* Get current vout lists from input */
- int i_vout;
- vout_thread_t **pp_vout;
- if( input_Control( p_input, INPUT_GET_VOUTS, &pp_vout, &i_vout ) )
- {
- i_vout = 0;
- pp_vout = NULL;
- }
- /* */
- emit voutListChanged( pp_vout, i_vout );
- /* */
- bool b_old_video = b_video;
- b_video = i_vout > 0;
- if( !!b_old_video != !!b_video )
- emit voutChanged( b_video );
- /* Release the vout list */
- for( int i = 0; i < i_vout; i++ )
- vlc_object_release( (vlc_object_t*)pp_vout[i] );
- free( pp_vout );
- }
- }
- void InputManager::UpdateAout()
- {
- if( hasInput() )
- {
- /* TODO */
- }
- }
- void InputManager::UpdateCaching()
- {
- if(!hasInput()) return;
- float f_newCache = var_GetFloat ( p_input, "cache" );
- if( f_newCache != f_cache )
- {
- f_cache = f_newCache;
- /* Update rate */
- emit cachingChanged( f_cache );
- }
- }
- void InputManager::requestArtUpdate()
- {
- if( hasInput() )
- {
- playlist_t *p_playlist = pl_Hold( p_intf );
- playlist_AskForArtEnqueue( p_playlist, input_GetItem( p_input ), pl_Unlocked );
- pl_Release( p_intf );
- }
- else
- {
- /* No input will signal the cover art to update,
- * let's do it ourself */
- UpdateArt();
- }
- }
- void InputManager::UpdateArt()
- {
- QString url;
- if( hasInput() )
- {
- char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
- if( psz_art && !strncmp( psz_art, "file://", 7 ) &&
- decode_URI( psz_art + 7 ) )
- #ifdef WIN32
- url = qfu( psz_art + 8 ); // Remove extra / starting on Win32.
- #else
- url = qfu( psz_art + 7 );
- #endif
- free( psz_art );
- }
- /* Update Art meta */
- emit artChanged( url );
- }
- inline void InputManager::UpdateStats()
- {
- emit statisticsUpdated( input_GetItem( p_input ) );
- }
- inline void InputManager::UpdateMeta( int id )
- {
- emit metaChanged( id );
- }
- inline void InputManager::UpdateMeta()
- {
- emit metaChanged( input_GetItem( p_input ) );
- }
- inline void InputManager::UpdateInfo()
- {
- emit infoChanged( input_GetItem( p_input ) );
- }
- void InputManager::UpdateRecord()
- {
- if( hasInput() )
- {
- emit recordingStateChanged( var_GetBool( p_input, "record" ) );
- }
- }
- void InputManager::UpdateProgramEvent()
- {
- if( hasInput() )
- {
- bool b_scrambled = var_GetBool( p_input, "program-scrambled" );
- emit encryptionChanged( b_scrambled );
- }
- }
- /* User update of the slider */
- void InputManager::sliderUpdate( float new_pos )
- {
- if( hasInput() )
- var_SetFloat( p_input, "position", new_pos );
- }
- /* User togglePlayPause */
- void InputManager::togglePlayPause()
- {
- if( hasInput() )
- {
- int state = var_GetInteger( p_input, "state" );
- state = ( state != PLAYING_S ) ? PLAYING_S : PAUSE_S;
- var_SetInteger( p_input, "state", state );
- emit statusChanged( state );
- }
- }
- void InputManager::sectionPrev()
- {
- if( hasInput() )
- {
- int i_type = var_Type( p_input, "next-chapter" );
- var_SetVoid( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
- "prev-chapter":"prev-title" );
- }
- }
- void InputManager::sectionNext()
- {
- if( hasInput() )
- {
- int i_type = var_Type( p_input, "next-chapter" );
- var_SetVoid( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
- "next-chapter":"next-title" );
- }
- }
- void InputManager::sectionMenu()
- {
- if( hasInput() )
- {
- vlc_value_t val, text;
- if( var_Change( p_input, "title 0", VLC_VAR_GETLIST, &val, &text ) < 0 )
- return;
- /* XXX is it "Root" or "Title" we want here ?" (set 0 by default) */
- int root = 0;
- for( int i = 0; i < val.p_list->i_count; i++ )
- {
- if( !strcmp( text.p_list->p_values[i].psz_string, "Title" ) )
- root = i;
- }
- var_Change( p_input, "title 0", VLC_VAR_FREELIST, &val, &text );
- var_SetInteger( p_input, "title 0", root );
- }
- }
- /*
- * Teletext Functions
- */
- /* Set a new Teletext Page */
- void InputManager::telexSetPage( int page )
- {
- if( hasInput() )
- {
- const int i_teletext_es = var_GetInteger( p_input, "teletext-es" );
- if( i_teletext_es >= 0 )
- {
- vlc_object_t *p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
- "zvbi", FIND_CHILD );
- if( p_vbi )
- {
- var_SetInteger( p_vbi, "vbi-page", page );
- vlc_object_release( p_vbi );
- emit newTelexPageSet( page );
- }
- }
- }
- }
- /* Set the transparency on teletext */
- void InputManager::telexSetTransparency( bool b_transparentTelextext )
- {
- if( hasInput() )
- {
- vlc_object_t *p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
- "zvbi", FIND_CHILD );
- if( p_vbi )
- {
- var_SetBool( p_vbi, "vbi-opaque", !b_transparentTelextext );
- vlc_object_release( p_vbi );
- emit teletextTransparencyActivated( b_transparentTelextext );
- }
- }
- }
- void InputManager::activateTeletext( bool b_enable )
- {
- vlc_value_t list;
- vlc_value_t text;
- if( hasInput() && !var_Change( p_input, "teletext-es", VLC_VAR_GETLIST, &list, &text ) )
- {
- if( list.p_list->i_count > 0 )
- {
- /* Prefer the page 100 if it is present */
- int i;
- for( i = 0; i < text.p_list->i_count; i++ )
- {
- /* The description is the page number as a string */
- const char *psz_page = text.p_list->p_values[i].psz_string;
- if( psz_page && !strcmp( psz_page, "100" ) )
- break;
- }
- if( i >= list.p_list->i_count )
- i = 0;
- var_SetInteger( p_input, "spu-es", b_enable ? list.p_list->p_values[i].i_int : -1 );
- }
- var_Change( p_input, "teletext-es", VLC_VAR_FREELIST, &list, &text );
- }
- }
- void InputManager::reverse()
- {
- if( hasInput() )
- {
- int i_rate = var_GetInteger( p_input, "rate" );
- var_SetInteger( p_input, "rate", -i_rate );
- }
- }
- void InputManager::slower()
- {
- if( hasInput() )
- var_SetVoid( p_input, "rate-slower" );
- }
- void InputManager::faster()
- {
- if( hasInput() )
- var_SetVoid( p_input, "rate-faster" );
- }
- void InputManager::littlefaster()
- {
- var_SetInteger( p_intf->p_libvlc, "key-action", ACTIONID_RATE_FASTER_FINE );
- }
- void InputManager::littleslower()
- {
- var_SetInteger( p_intf->p_libvlc, "key-action", ACTIONID_RATE_SLOWER_FINE );
- }
- void InputManager::normalRate()
- {
- if( hasInput() )
- var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
- }
- void InputManager::setRate( int new_rate )
- {
- if( hasInput() )
- var_SetInteger( p_input, "rate", new_rate );
- }
- void InputManager::jumpFwd()
- {
- int i_interval = config_GetInt( p_input, "short-jump-size" );
- if( i_interval > 0 )
- {
- mtime_t val = (mtime_t)(i_interval) * 1000000L;
- var_SetTime( p_input, "time-offset", val );
- }
- }
- void InputManager::jumpBwd()
- {
- int i_interval = config_GetInt( p_input, "short-jump-size" );
- if( i_interval > 0 )
- {
- mtime_t val = -1 *(mtime_t)(i_interval) * 1000000L;
- var_SetTime( p_input, "time-offset", val );
- }
- }
- void InputManager::setAtoB()
- {
- if( !timeA )
- {
- timeA = var_GetTime( THEMIM->getInput(), "time" );
- }
- else if( !timeB )
- {
- timeB = var_GetTime( THEMIM->getInput(), "time" );
- var_SetTime( THEMIM->getInput(), "time" , timeA );
- CONNECT( this, positionUpdated( float, int, int ),
- this, AtoBLoop( float, int, int ) );
- }
- else
- {
- timeA = 0;
- timeB = 0;
- disconnect( this, SIGNAL( positionUpdated( float, int, int ) ),
- this, SLOT( AtoBLoop( float, int, int ) ) );
- }
- emit AtoBchanged( (timeA != 0 ), (timeB != 0 ) );
- }
- /* Function called regularly when in an AtoB loop */
- void InputManager::AtoBLoop( float, int i_time, int )
- {
- if( timeB )
- {
- if( ( i_time >= (int)( timeB/1000000 ) )
- || ( i_time < (int)( timeA/1000000 ) ) )
- var_SetTime( THEMIM->getInput(), "time" , timeA );
- }
- }
- /**********************************************************************
- * MainInputManager implementation. Wrap an input manager and
- * take care of updating the main playlist input.
- * Used in the main playlist Dialog
- **********************************************************************/
- MainInputManager * MainInputManager::instance = NULL;
- MainInputManager::MainInputManager( intf_thread_t *_p_intf )
- : QObject(NULL), p_intf( _p_intf )
- {
- p_input = NULL;
- im = new InputManager( this, p_intf );
- var_AddCallback( THEPL, "item-change", ItemChanged, im );
- var_AddCallback( THEPL, "item-current", PLItemChanged, this );
- var_AddCallback( THEPL, "activity", PLItemChanged, this );
- var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
- /* Warn our embedded IM about input changes */
- CONNECT( this, inputChanged( input_thread_t * ),
- im, setInput( input_thread_t * ) );
- /* emit check if playlist has already started playing */
- IMEvent *event = new IMEvent( ItemChanged_Type,
- var_GetInteger( THEPL, "item-current" ) );
- customEvent( event );
- delete event;
- }
- MainInputManager::~MainInputManager()
- {
- if( p_input )
- {
- emit inputChanged( NULL );
- var_DelCallback( p_input, "state", PLItemChanged, this );
- vlc_object_release( p_input );
- }
- var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
- var_DelCallback( THEPL, "activity", PLItemChanged, this );
- var_DelCallback( THEPL, "item-change", ItemChanged, im );
- var_DelCallback( THEPL, "item-current", PLItemChanged, this );
- }
- vout_thread_t* MainInputManager::getVout()
- {
- return p_input ? input_GetVout( p_input ) : NULL;
- }
- aout_instance_t * MainInputManager::getAout()
- {
- return p_input ? input_GetAout( p_input ) : NULL;
- }
- void MainInputManager::customEvent( QEvent *event )
- {
- int type = event->type();
- if ( type != ItemChanged_Type && type != VolumeChanged_Type )
- return;
- // msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
- if( type == VolumeChanged_Type )
- {
- emit volumeChanged();
- return;
- }
- /* Should be PLItemChanged Event */
- if( !p_intf->p_sys->b_isDialogProvider )
- {
- if( p_input && ( p_input->b_dead || !vlc_object_alive (p_input) ) )
- {
- emit inputChanged( p_input );
- var_DelCallback( p_input, "state", PLItemChanged, this );
- vlc_object_release( p_input );
- p_input = NULL;
- return;
- }
- if( !p_input )
- {
- p_input = playlist_CurrentInput(THEPL);
- if( p_input )
- {
- var_AddCallback( p_input, "state", PLItemChanged, this );
- emit inputChanged( p_input );
- }
- }
- }
- else
- {
- /* remove previous stored p_input */
- if( p_input )
- {
- vlc_object_release( p_input );
- p_input = NULL;
- }
- /* we are working as a dialogs provider */
- playlist_t *p_playlist = pl_Hold( p_intf );
- p_input = playlist_CurrentInput( p_playlist );
- if( p_input )
- {
- emit inputChanged( p_input );
- }
- pl_Release( p_intf );
- }
- }
- /* Playlist Control functions */
- void MainInputManager::stop()
- {
- playlist_Stop( THEPL );
- }
- void MainInputManager::next()
- {
- playlist_Next( THEPL );
- }
- void MainInputManager::prev()
- {
- playlist_Prev( THEPL );
- }
- void MainInputManager::togglePlayPause()
- {
- /* No input, play */
- if( !p_input )
- playlist_Play( THEPL );
- else
- getIM()->togglePlayPause();
- }
- void MainInputManager::activatePlayQuit( bool b_exit )
- {
- var_SetBool( THEPL, "play-and-exit", b_exit );
- }
- /* Static callbacks for MIM */
- static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *param )
- {
- MainInputManager *mim = (MainInputManager*)param;
- IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
- QApplication::postEvent( mim, event );
- return VLC_SUCCESS;
- }
- static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *param )
- {
- MainInputManager *mim = (MainInputManager*)param;
- IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
- QApplication::postEvent( mim, event );
- return VLC_SUCCESS;
- }