osdmenu.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:26k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * osdmenu.c: osd filter module
- *****************************************************************************
- * Copyright (C) 2004-2007 M2X
- * $Id: 76214056519fe5ddb6ba84223963ea7e98bff044 $
- *
- * Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
- *
- * 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 implid 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_plugin.h>
- #include <vlc_vout.h>
- #include <vlc_filter.h>
- #include <vlc_osd.h>
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- /* FIXME: Future extension make the definition file in XML format. */
- #define OSD_FILE_TEXT N_("Configuration file")
- #define OSD_FILE_LONGTEXT N_(
- "Configuration file for the OSD Menu." )
- #define OSD_PATH_TEXT N_("Path to OSD menu images")
- #define OSD_PATH_LONGTEXT N_(
- "Path to the OSD menu images. This will override the path defined in the "
- "OSD configuration file." )
- #define POSX_TEXT N_("X coordinate")
- #define POSX_LONGTEXT N_("You can move the OSD menu by left-clicking on it." )
- #define POSY_TEXT N_("Y coordinate")
- #define POSY_LONGTEXT N_("You can move the OSD menu by left-clicking on it." )
- #define POS_TEXT N_("Menu position")
- #define POS_LONGTEXT N_(
- "You can enforce the OSD menu position on the video "
- "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can "
- "also use combinations of these values, eg. 6 = top-right).")
- #define TIMEOUT_TEXT N_("Menu timeout")
- #define TIMEOUT_LONGTEXT N_(
- "OSD menu pictures get a default timeout of 15 seconds added to their "
- "remaining time. This will ensure that they are at least the specified "
- "time visible.")
- #define OSD_UPDATE_TEXT N_("Menu update interval" )
- #define OSD_UPDATE_LONGTEXT N_(
- "The default is to update the OSD menu picture every 200 ms. Shorten the"
- " update time for environments that experience transmissions errors. "
- "Be careful with this option as encoding OSD menu pictures is very "
- "computing intensive. The range is 0 - 1000 ms." )
- #define OSD_ALPHA_TEXT N_("Alpha transparency value (default 255)")
- #define OSD_ALPHA_LONGTEXT N_(
- "The transparency of the OSD menu can be changed by giving a value "
- "between 0 and 255. A lower value specifies more transparency a higher "
- "means less transparency. The default is being not transparent "
- "(value 255) the minimum is fully transparent (value 0)." )
- static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
- static const char *const ppsz_pos_descriptions[] =
- { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
- N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
- /* subfilter functions */
- static int CreateFilter ( vlc_object_t * );
- static void DestroyFilter( vlc_object_t * );
- static subpicture_t *Filter( filter_t *, mtime_t );
- static int OSDMenuUpdateEvent( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- static int OSDMenuVisibleEvent( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- static int OSDMenuCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
- static int MouseEvent( vlc_object_t *, char const *,
- vlc_value_t , vlc_value_t , void * );
- #define OSD_CFG "osdmenu-"
- #if defined( WIN32 ) || defined( UNDER_CE )
- #define OSD_DEFAULT_CFG "osdmenu/default.cfg"
- #else
- #define OSD_DEFAULT_CFG "share/osdmenu/default.cfg"
- #endif
- #define OSD_UPDATE_MIN 0
- #define OSD_UPDATE_DEFAULT 300
- #define OSD_UPDATE_MAX 1000
- vlc_module_begin ()
- set_capability( "sub filter", 100 )
- set_description( N_("On Screen Display menu") )
- set_shortname( N_("OSD menu") )
- add_shortcut( "osdmenu" )
- set_category( CAT_VIDEO )
- set_subcategory( SUBCAT_VIDEO_SUBPIC )
- set_callbacks( CreateFilter, DestroyFilter )
- add_integer( OSD_CFG "x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, false )
- add_integer( OSD_CFG "y", -1, NULL, POSY_TEXT, POSY_LONGTEXT, false )
- add_integer( OSD_CFG "position", 8, NULL, POS_TEXT, POS_LONGTEXT,
- false )
- change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL )
- add_string( OSD_CFG "file", OSD_DEFAULT_CFG, NULL, OSD_FILE_TEXT,
- OSD_FILE_LONGTEXT, false )
- add_string( OSD_CFG "file-path", NULL, NULL, OSD_PATH_TEXT,
- OSD_PATH_LONGTEXT, false )
- add_integer( OSD_CFG "timeout", 15, NULL, TIMEOUT_TEXT,
- TIMEOUT_LONGTEXT, false )
- add_integer_with_range( OSD_CFG "update", OSD_UPDATE_DEFAULT,
- OSD_UPDATE_MIN, OSD_UPDATE_MAX, NULL, OSD_UPDATE_TEXT,
- OSD_UPDATE_LONGTEXT, true )
- add_integer_with_range( OSD_CFG "alpha", 255, 0, 255, NULL,
- OSD_ALPHA_TEXT, OSD_ALPHA_LONGTEXT, true )
- vlc_module_end ()
- /*****************************************************************************
- * Sub filter code
- *****************************************************************************/
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- struct filter_sys_t
- {
- int i_position; /* relative positioning of SPU images */
- int i_x; /* absolute positioning of SPU images */
- int i_y; /* absolute positioning of SPU images */
- mtime_t i_last_date; /* last mdate SPU object has been sent to SPU subsytem */
- mtime_t i_timeout; /* duration SPU object is valid on the video output in seconds */
- bool b_absolute; /* do we use absolute positioning or relative? */
- bool b_update; /* Update OSD Menu by sending SPU objects */
- bool b_visible; /* OSD Menu is visible */
- mtime_t i_update; /* Update the OSD menu every n ms */
- mtime_t i_end_date; /* End data of display OSD menu */
- int i_alpha; /* alpha transparency value */
- char *psz_file; /* OSD Menu configuration file */
- char *psz_path; /* Path to OSD Menu pictures */
- osd_menu_t *p_menu; /* pointer to OSD Menu object */
- /* menu interaction */
- vout_thread_t *p_vout;
- bool b_clicked;
- uint32_t i_mouse_x;
- uint32_t i_mouse_y;
- };
- /*****************************************************************************
- * CreateFilter: Create the filter and open the definition file
- *****************************************************************************/
- static int CreateFilter ( vlc_object_t *p_this )
- {
- filter_t *p_filter = (filter_t *)p_this;
- filter_sys_t *p_sys = NULL;
- p_filter->p_sys = p_sys = (filter_sys_t *) malloc( sizeof(filter_sys_t) );
- if( !p_filter->p_sys )
- return VLC_ENOMEM;
- memset( p_sys, 0, sizeof(filter_sys_t) );
- /* Populating struct */
- p_sys->psz_path = var_CreateGetString( p_this, OSD_CFG "file-path" );
- p_sys->psz_file = var_CreateGetString( p_this, OSD_CFG "file" );
- if( (p_sys->psz_file == NULL) ||
- (*p_sys->psz_file == ' ') )
- {
- msg_Err( p_filter, "unable to get filename" );
- goto error;
- }
- p_sys->i_x = var_CreateGetIntegerCommand( p_this, OSD_CFG "x" );
- p_sys->i_y = var_CreateGetIntegerCommand( p_this, OSD_CFG "y" );
- p_sys->i_position = var_CreateGetIntegerCommand( p_this, OSD_CFG "position" );
- p_sys->i_alpha = var_CreateGetIntegerCommand( p_this, OSD_CFG "alpha" );
- /* in micro seconds - divide by 2 to match user expectations */
- p_sys->i_timeout = var_CreateGetIntegerCommand( p_this, OSD_CFG "timeout" );
- p_sys->i_timeout = (mtime_t)(p_sys->i_timeout * 1000000) >> 2;
- p_sys->i_update = var_CreateGetIntegerCommand( p_this, OSD_CFG "update" );
- p_sys->i_update = (mtime_t)(p_sys->i_update * 1000); /* in micro seconds */
- var_AddCallback( p_filter, OSD_CFG "position", OSDMenuCallback, p_sys );
- var_AddCallback( p_filter, OSD_CFG "timeout", OSDMenuCallback, p_sys );
- var_AddCallback( p_filter, OSD_CFG "update", OSDMenuCallback, p_sys );
- var_AddCallback( p_filter, OSD_CFG "alpha", OSDMenuCallback, p_sys );
- /* Load the osd menu subsystem */
- p_sys->p_menu = osd_MenuCreate( p_this, p_sys->psz_file );
- if( p_sys->p_menu == NULL )
- goto error;
- /* FIXME: this plugin is not at all thread-safe w.r.t. callbacks */
- p_sys->p_menu->i_position = p_sys->i_position;
- /* Check if menu position was overridden */
- p_sys->b_absolute = true;
- if( (p_sys->i_x < 0) || (p_sys->i_y < 0) )
- {
- p_sys->b_absolute = false;
- p_sys->p_menu->i_x = 0;
- p_sys->p_menu->i_y = 0;
- }
- else
- {
- p_sys->p_menu->i_x = p_sys->i_x;
- p_sys->p_menu->i_y = p_sys->i_y;
- }
- /* Set up p_filter */
- p_sys->i_last_date = mdate();
- /* Keep track of OSD Events */
- p_sys->b_update = false;
- p_sys->b_visible = false;
- p_sys->b_clicked = false;
- /* Listen to osd menu core updates/visible settings. */
- var_AddCallback( p_sys->p_menu, "osd-menu-update",
- OSDMenuUpdateEvent, p_filter );
- var_AddCallback( p_sys->p_menu, "osd-menu-visible",
- OSDMenuVisibleEvent, p_filter );
- /* Attach subpicture filter callback */
- p_filter->pf_sub_filter = Filter;
- p_sys->p_vout = vlc_object_find( p_this, VLC_OBJECT_VOUT, FIND_ANYWHERE );
- if( p_sys->p_vout )
- {
- var_AddCallback( p_sys->p_vout, "mouse-x",
- MouseEvent, p_sys );
- var_AddCallback( p_sys->p_vout, "mouse-y",
- MouseEvent, p_sys );
- var_AddCallback( p_sys->p_vout, "mouse-clicked",
- MouseEvent, p_sys );
- }
- es_format_Init( &p_filter->fmt_out, SPU_ES, VLC_FOURCC( 's','p','u',' ' ) );
- p_filter->fmt_out.i_priority = 0;
- return VLC_SUCCESS;
- error:
- msg_Err( p_filter, "osdmenu filter discarded" );
- free( p_sys->psz_path );
- free( p_sys->psz_file );
- free( p_sys );
- return VLC_EGENERIC;
- }
- /*****************************************************************************
- * DestroyFilter: Make a clean exit of this plugin
- *****************************************************************************/
- static void DestroyFilter( vlc_object_t *p_this )
- {
- filter_t *p_filter = (filter_t*)p_this;
- filter_sys_t *p_sys = p_filter->p_sys;
- var_DelCallback( p_filter, OSD_CFG "position", OSDMenuCallback, p_sys );
- var_DelCallback( p_filter, OSD_CFG "timeout", OSDMenuCallback, p_sys );
- var_DelCallback( p_filter, OSD_CFG "update", OSDMenuCallback, p_sys );
- var_DelCallback( p_filter, OSD_CFG "alpha", OSDMenuCallback, p_sys );
- if( p_sys ) /* FIXME: <-- WTF??? what about the 4 ones above? */
- {
- var_DelCallback( p_sys->p_menu, "osd-menu-update",
- OSDMenuUpdateEvent, p_filter );
- var_DelCallback( p_sys->p_menu, "osd-menu-visible",
- OSDMenuVisibleEvent, p_filter );
- }
- if( p_sys && p_sys->p_vout )
- {
- var_DelCallback( p_sys->p_vout, "mouse-x",
- MouseEvent, p_sys );
- var_DelCallback( p_sys->p_vout, "mouse-y",
- MouseEvent, p_sys );
- var_DelCallback( p_sys->p_vout, "mouse-clicked",
- MouseEvent, p_sys );
- vlc_object_release( p_sys->p_vout );
- p_sys->p_vout = NULL;
- }
- var_Destroy( p_this, OSD_CFG "file-path" );
- var_Destroy( p_this, OSD_CFG "file" );
- var_Destroy( p_this, OSD_CFG "x" );
- var_Destroy( p_this, OSD_CFG "y" );
- var_Destroy( p_this, OSD_CFG "position" );
- var_Destroy( p_this, OSD_CFG "timeout" );
- var_Destroy( p_this, OSD_CFG "update" );
- var_Destroy( p_this, OSD_CFG "alpha" );
- if( p_sys )
- {
- osd_MenuDelete( p_filter, p_sys->p_menu );
- free( p_sys->psz_path );
- free( p_sys->psz_file );
- free( p_sys );
- }
- }
- /*****************************************************************************
- * OSDMenuEvent: callback for OSD Menu events
- *****************************************************************************/
- static int OSDMenuVisibleEvent( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
- {
- VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
- VLC_UNUSED(newval);
- filter_t *p_filter = (filter_t *) p_data;
- p_filter->p_sys->b_visible = true;
- p_filter->p_sys->b_update = true;
- return VLC_SUCCESS;
- }
- static int OSDMenuUpdateEvent( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
- {
- VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
- VLC_UNUSED(newval);
- filter_t *p_filter = (filter_t *) p_data;
- filter_sys_t *p_sys = p_filter->p_sys;
- p_sys->b_update = p_sys->b_visible ? true : false;
- p_sys->i_end_date = (mtime_t) 0;
- return VLC_SUCCESS;
- }
- #if 0
- /*****************************************************************************
- * create_text_region : compose a text region SPU
- *****************************************************************************/
- static subpicture_region_t *create_text_region( filter_t *p_filter, subpicture_t *p_spu,
- int i_width, int i_height, const char *psz_text )
- {
- subpicture_region_t *p_region;
- video_format_t fmt;
- /* Create new SPU region */
- memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_FOURCC( 'T','E','X','T' );
- fmt.i_aspect = VOUT_ASPECT_FACTOR;
- fmt.i_sar_num = fmt.i_sar_den = 1;
- fmt.i_width = fmt.i_visible_width = i_width;
- fmt.i_height = fmt.i_visible_height = i_height;
- fmt.i_x_offset = fmt.i_y_offset = 0;
- p_region = subpicture_region_New( &fmt );
- if( !p_region )
- {
- msg_Err( p_filter, "cannot allocate another SPU region" );
- return NULL;
- }
- p_region->psz_text = strdup( psz_text );
- p_region->i_x = 0;
- p_region->i_y = 40;
- #if 0
- msg_Dbg( p_filter, "SPU text region position (%d,%d) (%d,%d) [%s]",
- p_region->i_x, p_region->i_y,
- p_region->fmt.i_width, p_region->fmt.i_height, p_region->psz_text );
- #endif
- return p_region;
- }
- #endif
- /*****************************************************************************
- * create_picture_region : compose a picture region SPU
- *****************************************************************************/
- static subpicture_region_t *create_picture_region( filter_t *p_filter, subpicture_t *p_spu,
- int i_width, int i_height, picture_t *p_pic )
- {
- subpicture_region_t *p_region = NULL;
- video_format_t fmt;
- video_palette_t palette;
- if( !p_spu ) return NULL;
- /* Create new SPU region */
- memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = (p_pic == NULL) ? VLC_FOURCC('Y','U','V','P') : VLC_FOURCC('Y','U','V','A');
- fmt.i_aspect = VOUT_ASPECT_FACTOR;
- fmt.i_sar_num = fmt.i_sar_den = 1;
- fmt.i_width = fmt.i_visible_width = i_width;
- fmt.i_height = fmt.i_visible_height = i_height;
- fmt.i_x_offset = fmt.i_y_offset = 0;
- if( fmt.i_chroma == VLC_FOURCC('Y','U','V','P') )
- {
- fmt.p_palette = &palette;
- fmt.p_palette->i_entries = 0;
- fmt.i_visible_width = 0;
- fmt.i_visible_height = 0;
- }
- p_region = subpicture_region_New( &fmt );
- if( !p_region )
- {
- msg_Err( p_filter, "cannot allocate SPU region" );
- p_filter->pf_sub_buffer_del( p_filter, p_spu );
- return NULL;
- }
- /* FIXME the copy is probably not needed anymore */
- if( p_pic )
- picture_Copy( p_region->p_picture, p_pic );
- p_region->i_x = 0;
- p_region->i_y = 0;
- p_region->i_align = p_filter->p_sys->i_position;
- p_region->i_alpha = p_filter->p_sys->i_alpha;
- #if 0
- msg_Dbg( p_filter, "SPU picture region position (%d,%d) (%d,%d) [%p]",
- p_region->i_x, p_region->i_y,
- p_region->fmt.i_width, p_region->fmt.i_height, p_pic );
- #endif
- return p_region;
- }
- /****************************************************************************
- * Filter: the whole thing
- ****************************************************************************
- * This function outputs subpictures at regular time intervals.
- ****************************************************************************/
- static subpicture_t *Filter( filter_t *p_filter, mtime_t i_date )
- {
- filter_sys_t *p_sys = p_filter->p_sys;
- subpicture_t *p_spu = NULL;
- subpicture_region_t *p_region = NULL;
- int i_x, i_y;
- if( !p_sys->b_update || (p_sys->i_update <= 0) )
- return NULL;
- /* Am I too early?
- */
- if( ( ( p_sys->i_last_date + p_sys->i_update ) > i_date ) &&
- ( p_sys->i_end_date > 0 ) )
- return NULL; /* we are too early, so wait */
- /* Allocate the subpicture internal data. */
- p_spu = filter_NewSubpicture( p_filter );
- if( !p_spu )
- return NULL;
- p_spu->b_ephemer = true;
- p_spu->b_fade = true;
- if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
- p_spu->b_absolute = true;
- else
- p_spu->b_absolute = p_sys->b_absolute;
- /* Determine the duration of the subpicture */
- if( p_sys->i_end_date > 0 )
- {
- /* Display the subpicture again. */
- p_spu->i_stop = p_sys->i_end_date - i_date;
- if( ( i_date + p_sys->i_update ) >= p_sys->i_end_date )
- p_sys->b_update = false;
- }
- else
- {
- /* There is a new OSD picture to display */
- p_spu->i_stop = i_date + p_sys->i_timeout;
- p_sys->i_end_date = p_spu->i_stop;
- }
- p_sys->i_last_date = i_date;
- p_spu->i_start = p_sys->i_last_date = i_date;
- /* Send an empty subpicture to clear the display
- * when OSD menu should be hidden and menu picture is not allocated.
- */
- if( !p_filter->p_sys->p_menu->p_state->p_pic ||
- ( p_filter->p_sys->b_visible == false ) )
- {
- /* Create new spu regions and allocate an empty picture in it. */
- p_region = create_picture_region( p_filter, p_spu,
- p_filter->p_sys->p_menu->p_state->i_width,
- p_filter->p_sys->p_menu->p_state->i_height,
- NULL );
- /* proper positioning of OSD menu image */
- p_region->i_x = p_filter->p_sys->p_menu->p_state->i_x;
- p_region->i_y = p_filter->p_sys->p_menu->p_state->i_y;
- /* FIXME is it needed ?
- p_region->i_align = p_sys->i_position;
- */
- p_spu->p_region = p_region;
- p_spu->i_alpha = 0xFF; /* Picture is completely non transparent. */
- return p_spu;
- }
- if( p_sys->p_vout && p_sys->b_clicked )
- {
- p_sys->b_clicked = false;
- osd_MenuActivate( p_filter );
- }
- /* Create new spu regions
- */
- p_region = create_picture_region( p_filter, p_spu,
- p_filter->p_sys->p_menu->p_state->i_width,
- p_filter->p_sys->p_menu->p_state->i_height,
- p_filter->p_sys->p_menu->p_state->p_pic );
- if( !p_region )
- {
- p_filter->pf_sub_buffer_del( p_filter, p_spu );
- return NULL;
- }
- p_spu->i_alpha = p_filter->p_sys->i_alpha;
- /* proper positioning of OSD menu image */
- if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
- {
- i_x = p_filter->p_sys->p_menu->p_button->i_x;
- i_y = p_filter->p_sys->p_menu->p_button->i_y;
- }
- else
- {
- i_x = p_filter->p_sys->p_menu->p_state->i_x;
- i_y = p_filter->p_sys->p_menu->p_state->i_y;
- }
- p_region->i_x = i_x;
- p_region->i_y = i_y;
- if( p_filter->p_sys->p_menu->i_style == OSD_MENU_STYLE_CONCAT )
- {
- subpicture_region_t *p_region_list = NULL;
- subpicture_region_t *p_region_tail = NULL;
- osd_menu_t *p_osd = p_filter->p_sys->p_menu;
- osd_button_t *p_button = p_osd->p_button;
- /* Construct the entire OSD from individual images */
- while( p_button != NULL )
- {
- osd_button_t *p_tmp = NULL;
- subpicture_region_t *p_new = NULL;
- p_new = create_picture_region( p_filter, p_spu,
- p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_pitch,
- p_button->p_current_state->p_pic->p[Y_PLANE].i_visible_lines,
- p_button->p_current_state->p_pic );
- if( !p_new )
- {
- /* Cleanup when bailing out */
- subpicture_region_ChainDelete( p_region_list );
- subpicture_region_Delete( p_region );
- p_filter->pf_sub_buffer_del( p_filter, p_spu );
- return NULL;
- }
- if( !p_region_list )
- {
- p_region_list = p_new;
- p_region_tail = p_new;
- }
- else
- {
- p_new->i_x = i_x+p_region_tail->fmt.i_visible_width;
- p_new->i_y = i_y+p_button->i_y;
- p_region_tail->p_next = p_new;
- p_region_tail = p_new;
- }
- p_tmp = p_button->p_next;
- p_button = p_tmp;
- };
- p_region->p_next = p_region_list;
- }
- #if 0
- p_region->p_next = create_text_region( p_filter, p_spu,
- p_filter->p_sys->p_menu->p_state->i_width, p_filter->p_sys->p_menu->p_state->i_height,
- p_filter->p_sys->p_menu->p_state->p_visible->psz_action );
- #endif
- p_spu->p_region = p_region;
- return p_spu;
- }
- static int OSDMenuCallback( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval,
- void *p_data )
- {
- VLC_UNUSED(p_this); VLC_UNUSED(oldval);
- filter_sys_t *p_sys = (filter_sys_t *) p_data;
- if( !p_sys )
- return VLC_SUCCESS;
- if( !strncmp( psz_var, OSD_CFG"position", 16) )
- {
- #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
- unsigned int i;
- for( i=0; i < ARRAY_SIZE(pi_pos_values); i++ )
- {
- if( newval.i_int == pi_pos_values[i] )
- {
- p_sys->i_position = newval.i_int % 11;
- break;
- }
- }
- #undef ARRAY_SIZE
- }
- else if( !strncmp( psz_var, OSD_CFG"x", 9) ||
- !strncmp( psz_var, OSD_CFG"y", 9))
- {
- p_sys->b_absolute = true;
- if( (p_sys->i_x < 0) || (p_sys->i_y < 0) )
- {
- p_sys->b_absolute = false;
- p_sys->p_menu->i_x = 0;
- p_sys->p_menu->i_y = 0;
- }
- else if( (p_sys->i_x >= 0) || (p_sys->i_y >= 0) )
- {
- p_sys->p_menu->i_x = p_sys->i_x;
- p_sys->p_menu->i_y = p_sys->i_y;
- }
- }
- else if( !strncmp( psz_var, OSD_CFG"update", 14) )
- p_sys->i_update = (mtime_t)(newval.i_int * 1000);
- else if( !strncmp( psz_var, OSD_CFG"timeout", 15) )
- p_sys->i_update = newval.i_int % 1000;
- else if( !strncmp( psz_var, OSD_CFG"alpha", 13) )
- p_sys->i_alpha = newval.i_int % 256;
- p_sys->b_update = p_sys->b_visible ? true : false;
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * MouseEvent: callback for mouse events
- *****************************************************************************/
- static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
- {
- VLC_UNUSED(oldval); VLC_UNUSED(newval);
- filter_sys_t *p_sys = (filter_sys_t *)p_data;
- vout_thread_t *p_vout = (vout_thread_t*)p_sys->p_vout;
- int i_x, i_y;
- int i_v;
- #define MOUSE_DOWN 1
- #define MOUSE_CLICKED 2
- #define MOUSE_MOVE_X 4
- #define MOUSE_MOVE_Y 8
- #define MOUSE_MOVE 12
- uint8_t mouse= 0;
- int v_h = p_vout->output.i_height;
- int v_w = p_vout->output.i_width;
- if( psz_var[6] == 'x' ) mouse |= MOUSE_MOVE_X;
- if( psz_var[6] == 'y' ) mouse |= MOUSE_MOVE_Y;
- if( psz_var[6] == 'c' ) mouse |= MOUSE_CLICKED;
- i_v = var_GetInteger( p_sys->p_vout, "mouse-button-down" );
- if( i_v & 0x1 ) mouse |= MOUSE_DOWN;
- i_y = var_GetInteger( p_sys->p_vout, "mouse-y" );
- i_x = var_GetInteger( p_sys->p_vout, "mouse-x" );
- if( i_y < 0 || i_x < 0 || i_y >= v_h || i_x >= v_w )
- return VLC_SUCCESS;
- if( mouse & MOUSE_CLICKED )
- {
- int i_scale_width, i_scale_height;
- osd_button_t *p_button = NULL;
- i_scale_width = p_vout->fmt_out.i_visible_width * 1000 /
- p_vout->fmt_in.i_visible_width;
- i_scale_height = p_vout->fmt_out.i_visible_height * 1000 /
- p_vout->fmt_in.i_visible_height;
- p_button = osd_ButtonFind( p_this, i_x, i_y, v_h, v_w,
- i_scale_width, i_scale_height );
- if( p_button )
- {
- osd_ButtonSelect( p_this, p_button );
- p_sys->b_update = p_sys->b_visible ? true : false;
- p_sys->b_clicked = true;
- msg_Dbg( p_this, "mouse clicked %s (%d,%d)", p_button->psz_name, i_x, i_y );
- }
- }
- return VLC_SUCCESS;
- }