event.c
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:11k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * event.c: Events
- *****************************************************************************
- * Copyright (C) 2008 Laurent Aimar
- * $Id: 242bf1fd01b61e6bf5c45f7fd9deb58499abe022 $
- *
- * Authors: Laurent Aimar < fenrir _AT_ videolan _DOT_ 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.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_input.h>
- #include "input_internal.h"
- #include "event.h"
- #include <assert.h>
- /* */
- static void Trigger( input_thread_t *, int i_type );
- static void VarListAdd( input_thread_t *,
- const char *psz_variable, int i_event,
- int i_value, const char *psz_text );
- static void VarListDel( input_thread_t *,
- const char *psz_variable, int i_event,
- int i_value );
- static void VarListSelect( input_thread_t *,
- const char *psz_variable, int i_event,
- int i_value );
- /*****************************************************************************
- * Event for input.c
- *****************************************************************************/
- void input_SendEventDead( input_thread_t *p_input )
- {
- p_input->b_dead = true;
- Trigger( p_input, INPUT_EVENT_DEAD );
- }
- void input_SendEventAbort( input_thread_t *p_input )
- {
- Trigger( p_input, INPUT_EVENT_ABORT );
- }
- void input_SendEventTimes( input_thread_t *p_input,
- double f_position, mtime_t i_time, mtime_t i_length )
- {
- vlc_value_t val;
- /* */
- val.f_float = f_position;
- var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
- /* */
- val.i_time = i_time;
- var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
- /* FIXME ugly + what about meta change event ? */
- if( var_GetTime( p_input, "length" ) != i_length )
- input_item_SetDuration( p_input->p->p_item, i_length );
- val.i_time = i_length;
- var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_TIMES );
- }
- void input_SendEventStatistics( input_thread_t *p_input )
- {
- Trigger( p_input, INPUT_EVENT_STATISTICS );
- }
- void input_SendEventRate( input_thread_t *p_input, int i_rate )
- {
- vlc_value_t val;
- val.i_int = i_rate;
- var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_RATE );
- }
- void input_SendEventAudioDelay( input_thread_t *p_input, mtime_t i_delay )
- {
- vlc_value_t val;
- val.i_time = i_delay;
- var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_AUDIO_DELAY );
- }
- void input_SendEventSubtitleDelay( input_thread_t *p_input, mtime_t i_delay )
- {
- vlc_value_t val;
- val.i_time = i_delay;
- var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_SUBTITLE_DELAY );
- }
- /* TODO and file name ? */
- void input_SendEventRecord( input_thread_t *p_input, bool b_recording )
- {
- vlc_value_t val;
- val.b_bool = b_recording;
- var_Change( p_input, "record", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_RECORD );
- }
- void input_SendEventTitle( input_thread_t *p_input, int i_title )
- {
- vlc_value_t val;
- val.i_int = i_title;
- var_Change( p_input, "title", VLC_VAR_SETVALUE, &val, NULL );
- input_ControlVarTitle( p_input, i_title );
- Trigger( p_input, INPUT_EVENT_TITLE );
- }
- void input_SendEventSeekpoint( input_thread_t *p_input, int i_title, int i_seekpoint )
- {
- vlc_value_t val;
- VLC_UNUSED( i_title );
- val.i_int = i_seekpoint;
- var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_CHAPTER );
- }
- void input_SendEventSignal( input_thread_t *p_input, double f_quality, double f_strength )
- {
- vlc_value_t val;
- val.f_float = f_quality;
- var_Change( p_input, "signal-quality", VLC_VAR_SETVALUE, &val, NULL );
- val.f_float = f_strength;
- var_Change( p_input, "signal-strength", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_SIGNAL );
- }
- void input_SendEventState( input_thread_t *p_input, int i_state )
- {
- vlc_value_t val;
- val.i_int = i_state;
- var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_STATE );
- }
- void input_SendEventCache( input_thread_t *p_input, double f_level )
- {
- vlc_value_t val;
- val.f_float = f_level;
- var_Change( p_input, "cache", VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, INPUT_EVENT_CACHE );
- }
- /* FIXME: review them because vlc_event_send might be
- * moved inside input_item* functions.
- */
- void input_SendEventMeta( input_thread_t *p_input )
- {
- Trigger( p_input, INPUT_EVENT_ITEM_META );
- /* FIXME remove this ugliness ? */
- vlc_event_t event;
- event.type = vlc_InputItemMetaChanged;
- event.u.input_item_meta_changed.meta_type = vlc_meta_ArtworkURL;
- vlc_event_send( &p_input->p->p_item->event_manager, &event );
- }
- void input_SendEventMetaInfo( input_thread_t *p_input )
- {
- Trigger( p_input, INPUT_EVENT_ITEM_INFO );
- /* FIXME remove this ugliness */
- vlc_event_t event;
- event.type = vlc_InputItemInfoChanged;
- vlc_event_send( &p_input->p->p_item->event_manager, &event );
- }
- void input_SendEventMetaName( input_thread_t *p_input, const char *psz_name )
- {
- Trigger( p_input, INPUT_EVENT_ITEM_NAME );
- /* FIXME remove this ugliness */
- vlc_event_t event;
- event.type = vlc_InputItemNameChanged;
- event.u.input_item_name_changed.new_name = psz_name;
- vlc_event_send( &p_input->p->p_item->event_manager, &event );
- }
- /*****************************************************************************
- * Event for es_out.c
- *****************************************************************************/
- void input_SendEventProgramAdd( input_thread_t *p_input,
- int i_program, const char *psz_text )
- {
- VarListAdd( p_input, "program", INPUT_EVENT_PROGRAM, i_program, psz_text );
- }
- void input_SendEventProgramDel( input_thread_t *p_input, int i_program )
- {
- VarListDel( p_input, "program", INPUT_EVENT_PROGRAM, i_program );
- }
- void input_SendEventProgramSelect( input_thread_t *p_input, int i_program )
- {
- VarListSelect( p_input, "program", INPUT_EVENT_PROGRAM, i_program );
- }
- void input_SendEventProgramScrambled( input_thread_t *p_input, int i_group, bool b_scrambled )
- {
- if( var_GetInteger( p_input, "program" ) != i_group )
- return;
- var_SetBool( p_input, "program-scrambled", b_scrambled );
- Trigger( p_input, INPUT_EVENT_PROGRAM );
- }
- static const char *GetEsVarName( int i_cat )
- {
- switch( i_cat )
- {
- case VIDEO_ES:
- return "video-es";
- case AUDIO_ES:
- return "audio-es";
- default:
- assert( i_cat == SPU_ES );
- return "spu-es";
- }
- }
- void input_SendEventEsAdd( input_thread_t *p_input, int i_cat, int i_id, const char *psz_text )
- {
- if( i_cat != UNKNOWN_ES )
- VarListAdd( p_input, GetEsVarName( i_cat ), INPUT_EVENT_ES,
- i_id, psz_text );
- }
- void input_SendEventEsDel( input_thread_t *p_input, int i_cat, int i_id )
- {
- if( i_cat != UNKNOWN_ES )
- VarListDel( p_input, GetEsVarName( i_cat ), INPUT_EVENT_ES, i_id );
- }
- /* i_id == -1 will unselect */
- void input_SendEventEsSelect( input_thread_t *p_input, int i_cat, int i_id )
- {
- if( i_cat != UNKNOWN_ES )
- VarListSelect( p_input, GetEsVarName( i_cat ), INPUT_EVENT_ES, i_id );
- }
- void input_SendEventTeletextAdd( input_thread_t *p_input,
- int i_teletext, const char *psz_text )
- {
- VarListAdd( p_input, "teletext-es", INPUT_EVENT_TELETEXT, i_teletext, psz_text );
- }
- void input_SendEventTeletextDel( input_thread_t *p_input, int i_teletext )
- {
- VarListDel( p_input, "teletext-es", INPUT_EVENT_TELETEXT, i_teletext );
- }
- void input_SendEventTeletextSelect( input_thread_t *p_input, int i_teletext )
- {
- VarListSelect( p_input, "teletext-es", INPUT_EVENT_TELETEXT, i_teletext );
- }
- void input_SendEventVout( input_thread_t *p_input )
- {
- Trigger( p_input, INPUT_EVENT_VOUT );
- }
- void input_SendEventAout( input_thread_t *p_input )
- {
- Trigger( p_input, INPUT_EVENT_AOUT );
- }
- /*****************************************************************************
- * Event for control.c/input.c
- *****************************************************************************/
- void input_SendEventBookmark( input_thread_t *p_input )
- {
- Trigger( p_input, INPUT_EVENT_BOOKMARK );
- }
- /*****************************************************************************
- *
- *****************************************************************************/
- static void Trigger( input_thread_t *p_input, int i_type )
- {
- var_SetInteger( p_input, "intf-event", i_type );
- }
- static void VarListAdd( input_thread_t *p_input,
- const char *psz_variable, int i_event,
- int i_value, const char *psz_text )
- {
- vlc_value_t val;
- vlc_value_t text;
- val.i_int = i_value;
- text.psz_string = (char*)psz_text;
- var_Change( p_input, psz_variable, VLC_VAR_ADDCHOICE,
- &val, psz_text ? &text : NULL );
- Trigger( p_input, i_event );
- }
- static void VarListDel( input_thread_t *p_input,
- const char *psz_variable, int i_event,
- int i_value )
- {
- vlc_value_t val;
- if( i_value >= 0 )
- {
- val.i_int = i_value;
- var_Change( p_input, psz_variable, VLC_VAR_DELCHOICE, &val, NULL );
- }
- else
- {
- var_Change( p_input, psz_variable, VLC_VAR_CLEARCHOICES, &val, NULL );
- }
- Trigger( p_input, i_event );
- }
- static void VarListSelect( input_thread_t *p_input,
- const char *psz_variable, int i_event,
- int i_value )
- {
- vlc_value_t val;
- val.i_int = i_value;
- var_Change( p_input, psz_variable, VLC_VAR_SETVALUE, &val, NULL );
- Trigger( p_input, i_event );
- }