/*****************************************************************************
- * vlc_osd.h - OSD menu definitions and function prototypes
+ * vlc_osd.h - OSD menu and subpictures definitions and function prototypes
*****************************************************************************
+ * Copyright (C) 1999-2006 the VideoLAN team
* Copyright (C) 2004-2005 M2X
* $Id$
*
* Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
+ * Gildas Bazin <gbazin@videolan.org>
*
* Added code from include/osd.h written by:
* Copyright (C) 2003-2005 the VideoLAN team
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+#ifndef VLC_OSD_H
+#define VLC_OSD_H 1
+
+#include "vlc_vout.h"
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
/**
* \file
+ * This file defines SPU subpicture and OSD functions and object types.
+ */
+
+/**********************************************************************
+ * Base SPU structures
+ **********************************************************************/
+/**
+ * \defgroup spu Subpicture Unit
+ * This module describes the programming interface for the subpicture unit.
+ * It includes functions allowing to create/destroy an spu, create/destroy
+ * subpictures and render them.
+ * @{
+ */
+
+#include <vlc_vout.h>
+
+typedef struct spu_private_t spu_private_t;
+
+/* Default subpicture channel ID */
+#define DEFAULT_CHAN 1
+
+/**
+ * Subpicture unit descriptor
+ */
+struct spu_t
+{
+ VLC_COMMON_MEMBERS
+
+ int (*pf_control)( spu_t *, int, va_list );
+
+ spu_private_t *p;
+};
+
+enum spu_query_e
+{
+ SPU_CHANNEL_REGISTER, /* arg1= int * res= */
+ SPU_CHANNEL_CLEAR /* arg1= int res= */
+};
+
+static inline int spu_vaControl( spu_t *p_spu, int i_query, va_list args )
+{
+ if( p_spu->pf_control )
+ return p_spu->pf_control( p_spu, i_query, args );
+ else
+ return VLC_EGENERIC;
+}
+
+static inline int spu_Control( spu_t *p_spu, int i_query, ... )
+{
+ va_list args;
+ int i_result;
+
+ va_start( args, i_query );
+ i_result = spu_vaControl( p_spu, i_query, args );
+ va_end( args );
+ return i_result;
+}
+
+VLC_EXPORT( spu_t *, spu_Create, ( vlc_object_t * ) );
+#define spu_Create(a) spu_Create(VLC_OBJECT(a))
+VLC_EXPORT( int, spu_Init, ( spu_t * ) );
+VLC_EXPORT( void, spu_Destroy, ( spu_t * ) );
+void spu_Attach( spu_t *, vlc_object_t *, bool );
+
+/**
+ * This function sends a subpicture to the spu_t core.
+ *
+ * You cannot use the provided subpicture anymore. The spu_t core
+ * will destroy it at its convenience.
+ */
+VLC_EXPORT( void, spu_DisplaySubpicture, ( spu_t *, subpicture_t * ) );
+
+/**
+ * This function asks the spu_t core a list of subpictures to display.
+ *
+ * The returned list can only be used by spu_RenderSubpictures.
+ */
+VLC_EXPORT( subpicture_t *, spu_SortSubpictures, ( spu_t *, mtime_t render_subtitle_date, bool b_subtitle_only ) );
+
+/**
+ * This function renders a list of subpicture_t on the provided picture.
+ *
+ * \param p_fmt_dst is the format of the destination picture.
+ * \param p_fmt_src is the format of the original(source) video.
+ */
+VLC_EXPORT( void, spu_RenderSubpictures, ( spu_t *, picture_t *, const video_format_t *p_fmt_dst, subpicture_t *p_list, const video_format_t *p_fmt_src, mtime_t render_subtitle_date ) );
+
+/** @}*/
+
+/**********************************************************************
+ * OSD Menu
+ **********************************************************************/
+/**
+ * \defgroup osdmenu OSD Menu
* The OSD menu core creates the OSD menu structure in memory. It parses a
* configuration file that defines all elements that are part of the menu. The
* core also handles all actions and menu structure updates on behalf of video
*
* The file modules/video_filters/osdmenu.c implements a subpicture filter that
* specifies the final information on positioning of the current state image.
- * A subpicture filter is called each time a video picture has to be rendered, it
- * also gives a start and end date to the subpicture. The subpicture can be streamed
- * if used inside a transcoding command. For example:
+ * A subpicture filter is called each time a video picture has to be rendered,
+ * it also gives a start and end date to the subpicture. The subpicture can be
+ * streamed if used inside a transcoding command. For example:
*
* vlc dvdsimple:///dev/dvd --extraintf rc
* --sout='#transcode{osd}:std{access=udp,mux=ts,dst=dest_ipaddr}'
* --osdmenu-file=share/osdmenu/dvd.cfg
*
+ * An example for local usage of the OSD menu is:
+ *
+ * vlc dvdsimple:///dev/dvd --extraintf rc
+ * --sub-filter osdmenu
+ * --osdmenu-file=share/osdmenu/dvd.cfg
+ *
* Each OSD menu element, called "action", defines a hotkey action. Each action
* can have several states (unselect, select, pressed). Each state has an image
* that represents the state visually. The commands "menu right", "menu left",
* on the rc interface.
*
* The OSD menu configuration file uses a very simple syntax and basic parser.
- * A configuration file has the ".cfg". An example is "share/osdmenu/dvd256.cfg".
+ * A configuration file has the ".cfg".
+ * An example is "share/osdmenu/dvd256.cfg".
+ * @{
*/
-#ifndef _VLC_OSD_H
-#define _VLC_OSD_H 1
-
-#include "vlc_video.h"
-
-# ifdef __cplusplus
-extern "C" {
-# endif
-
/**
* \brief The OSD Menu configuration file format.
*
*
* CONFIG_FILE = FILENAME '.cfg'
* WS = [ ' ' | '\t' ]+
- * OSDMEN_PATH = PATHNAME
+ * OSDMENU_PATH = PATHNAME
* DIR = 'dir' WS OSDMENU_PATH '\n'
+ * STYLE = 'style' [ 'default' | 'concat' ] '\n'
* STATE = [ 'unselect' | 'select' | 'pressed' ]
* HOTKEY_ACTION = 'key-' [ 'a' .. 'z', 'A' .. 'Z', '-' ]+
*
/**
* OSD menu position and picture type defines
*/
-
-#define OSD_ALIGN_LEFT 0x1
-#define OSD_ALIGN_RIGHT 0x2
-#define OSD_ALIGN_TOP 0x4
-#define OSD_ALIGN_BOTTOM 0x8
-
#define OSD_HOR_SLIDER 1
#define OSD_VERT_SLIDER 2
int i_background_alpha;/**< The transparency of the background.
0x00 is fully opaque,
0xFF fully transparent */
+ int i_karaoke_background_color;/**< Background color for karaoke 0xRRGGBB */
+ int i_karaoke_background_alpha;/**< The transparency of the karaoke bg.
+ 0x00 is fully opaque,
+ 0xFF fully transparent */
int i_outline_width; /**< The width of the outline in pixels */
int i_shadow_width; /**< The width of the shadow in pixels */
int i_spacing; /**< The spaceing between glyphs in pixels */
- int i_text_align; /**< An alignment hint for the text */
};
/* Style flags for \ref text_style_t */
#define STYLE_UNDERLINE 32
#define STYLE_STRIKEOUT 64
-static const text_style_t default_text_style = { NULL, 22, 0xffffff, 0xff, STYLE_OUTLINE,
- 0x000000, 0xff, 0x000000, 0xff, 0xffffff, 0x80, 1, 0, -1, 0 };
+/**
+ * Create a default text style
+ */
+VLC_EXPORT( text_style_t *, text_style_New, ( void ) );
+
+/**
+ * Copy a text style into another
+ */
+VLC_EXPORT( text_style_t *, text_style_Copy, ( text_style_t *, const text_style_t * ) );
+/**
+ * Duplicate a text style
+ */
+VLC_EXPORT( text_style_t *, text_style_Duplicate, ( const text_style_t * ) );
+/**
+ * Delete a text style created by text_style_New or text_style_Duplicate
+ */
+VLC_EXPORT( void, text_style_Delete, ( text_style_t * ) );
/**
* OSD menu button states
char *psz_state; /*< state name */
int i_state; /*< state index */
+
+ int i_x; /*< x-position of button state image */
+ int i_y; /*< y-position of button state image */
+ int i_width; /*< width of button state image */
+ int i_height; /*< height of button state image */
};
/**
int i_x; /*< x-position of button visible state image */
int i_y; /*< y-position of button visible state image */
+ int i_width; /*< width of button visible state image */
+ int i_height; /*< height of button visible state image */
/* range style button */
- vlc_bool_t b_range; /*< button should be interpreted as range */
+ bool b_range; /*< button should be interpreted as range */
int i_ranges; /*< number of states */
};
+/**
+ * OSD Menu Style
+ *
+ * The images that make up an OSD menu can be created in such away that
+ * they contain all buttons in the same picture, with the selected one
+ * highlighted or being a concatenation of all the seperate images. The
+ * first case is the default.
+ *
+ * To change the default style the keyword 'style' should be set to 'concat'.
+ */
+
+#define OSD_MENU_STYLE_SIMPLE 0x0
+#define OSD_MENU_STYLE_CONCAT 0x1
+
/**
* OSD Menu State object
*
picture_t *p_pic; /*< pointer to picture to display */
osd_button_t *p_visible; /*< shortcut to visible button */
- vlc_bool_t b_menu_visible; /*< menu currently visible? */
- vlc_bool_t b_update; /*< update OSD Menu when VLC_TRUE */
+ bool b_menu_visible; /*< menu currently visible? */
+ bool b_update; /*< update OSD Menu when true */
/* quick hack to volume state. */
osd_button_t *p_volume; /*< pointer to volume range object. */
int i_y; /*< y-position of OSD Menu on the video screen */
int i_width; /*< width of OSD Menu on the video screen */
int i_height; /*< height of OSD Menu on the video screen */
+ int i_style; /*< style of spu region generation */
+ int i_position; /*< display position */
char *psz_path; /*< directory where OSD menu images are stored */
osd_button_t *p_button; /*< doubly linked list of buttons */
/* quick link in the linked list. */
osd_button_t *p_last_button; /*< pointer to last button in the list */
+
+ /* misc parser */
+ module_t *p_parser; /*< pointer to parser module */
+ char *psz_file; /*< Config file name */
+ image_handler_t *p_image; /*< handler to image loading and conversion libraries */
};
/**
* functions. It creates the osd_menu object and holds a pointer to it
* during its lifetime.
*/
-VLC_EXPORT( osd_menu_t *, __osd_MenuCreate, ( vlc_object_t *, const char * ) );
+VLC_EXPORT( osd_menu_t *, osd_MenuCreate, ( vlc_object_t *, const char * ) );
/**
* Delete the osd_menu_t object
* memory for the osdmenu. After return of this function the pointer to
* osd_menu_t* is invalid.
*/
-VLC_EXPORT( void, __osd_MenuDelete, ( vlc_object_t *, osd_menu_t * ) );
+VLC_EXPORT( void, osd_MenuDelete, ( vlc_object_t *, osd_menu_t * ) );
+
+#define osd_MenuCreate(object,file) osd_MenuCreate( VLC_OBJECT(object), file )
+#define osd_MenuDelete(object,osd) osd_MenuDelete( VLC_OBJECT(object), osd )
/**
- * Change state on an osd_button_t.
- *
- * This function selects the specified state and returns a pointer to it. The
- * following states are currently supported:
- * \see OSD_BUTTON_UNSELECT
- * \see OSD_BUTTON_SELECT
- * \see OSD_BUTTON_PRESSED
+ * Find OSD Menu button at position x,y
*/
-VLC_EXPORT( osd_state_t *, __osd_StateChange, ( osd_state_t *, const int ) );
+VLC_EXPORT( osd_button_t *, osd_ButtonFind, ( vlc_object_t *p_this,
+ int, int, int, int, int, int ) );
-#define osd_MenuCreate(object,file) __osd_MenuCreate( VLC_OBJECT(object), file )
-#define osd_MenuDelete(object,osd) __osd_MenuDelete( VLC_OBJECT(object), osd )
-#define osd_StateChange(object,value) __osd_StateChange( object, value )
+#define osd_ButtonFind(object,x,y,h,w,sh,sw) osd_ButtonFind(object,x,y,h,w,sh,sw)
+
+/**
+ * Select the button provided as the new active button
+ */
+VLC_EXPORT( void, osd_ButtonSelect, ( vlc_object_t *, osd_button_t *) );
+
+#define osd_ButtonSelect(object,button) osd_ButtonSelect(object,button)
/**
* Show the OSD menu.
* Every change to the OSD menu will now be visible in the output. An output
* can be a video output window or a stream (\see stream output)
*/
-VLC_EXPORT( void, __osd_MenuShow, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_MenuShow, ( vlc_object_t * ) );
/**
* Hide the OSD menu.
*
* Stop showing the OSD menu on the video output or mux it into the stream.
*/
-VLC_EXPORT( void, __osd_MenuHide, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_MenuHide, ( vlc_object_t * ) );
/**
* Activate the action of this OSD menu item.
* hotkey action to the hotkey interface. The hotkey that belongs to
* the current highlighted OSD menu item will be used.
*/
-VLC_EXPORT( void, __osd_MenuActivate, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_MenuActivate, ( vlc_object_t * ) );
-#define osd_MenuShow(object) __osd_MenuShow( VLC_OBJECT(object) )
-#define osd_MenuHide(object) __osd_MenuHide( VLC_OBJECT(object) )
-#define osd_MenuActivate(object) __osd_MenuActivate( VLC_OBJECT(object) )
+#define osd_MenuShow(object) osd_MenuShow( VLC_OBJECT(object) )
+#define osd_MenuHide(object) osd_MenuHide( VLC_OBJECT(object) )
+#define osd_MenuActivate(object) osd_MenuActivate( VLC_OBJECT(object) )
/**
* Next OSD menu item
* Note: The actual position on screen of the menu item is determined by
* the OSD menu configuration file.
*/
-VLC_EXPORT( void, __osd_MenuNext, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_MenuNext, ( vlc_object_t * ) );
/**
* Previous OSD menu item
* Note: The actual position on screen of the menu item is determined by
* the OSD menu configuration file.
*/
-VLC_EXPORT( void, __osd_MenuPrev, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_MenuPrev, ( vlc_object_t * ) );
/**
* OSD menu item above
* Note: The actual position on screen of the menu item is determined by
* the OSD menu configuration file.
*/
-VLC_EXPORT( void, __osd_MenuUp, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_MenuUp, ( vlc_object_t * ) );
/**
* OSD menu item below
* Note: The actual position on screen of the menu item is determined by
* the OSD menu configuration file.
*/
-VLC_EXPORT( void, __osd_MenuDown, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_MenuDown, ( vlc_object_t * ) );
-#define osd_MenuNext(object) __osd_MenuNext( VLC_OBJECT(object) )
-#define osd_MenuPrev(object) __osd_MenuPrev( VLC_OBJECT(object) )
-#define osd_MenuUp(object) __osd_MenuUp( VLC_OBJECT(object) )
-#define osd_MenuDown(object) __osd_MenuDown( VLC_OBJECT(object) )
+#define osd_MenuNext(object) osd_MenuNext( VLC_OBJECT(object) )
+#define osd_MenuPrev(object) osd_MenuPrev( VLC_OBJECT(object) )
+#define osd_MenuUp(object) osd_MenuUp( VLC_OBJECT(object) )
+#define osd_MenuDown(object) osd_MenuDown( VLC_OBJECT(object) )
/**
* Display the audio volume bitmap.
* Display the correct audio volume bitmap that corresponds to the
* current Audio Volume setting.
*/
-VLC_EXPORT( void, __osd_Volume, ( vlc_object_t * ) );
+VLC_EXPORT( void, osd_Volume, ( vlc_object_t * ) );
-#define osd_Volume(object) __osd_Volume( VLC_OBJECT(object) )
+#define osd_Volume(object) osd_Volume( VLC_OBJECT(object) )
/**
* Retrieve a non modifyable pointer to the OSD Menu state
*
* Returns 0 when no key has been pressed or the value of the key pressed.
*/
-static inline vlc_bool_t osd_GetKeyPressed( osd_menu_t *p_osd )
+static inline bool osd_GetKeyPressed( osd_menu_t *p_osd )
{
return( p_osd->p_state->b_update );
}
/**
* Update the OSD Menu visibility flag.
*
- * VLC_TRUE means OSD Menu should be shown. VLC_FALSE means OSD Menu
+ * true means OSD Menu should be shown. false means OSD Menu
* should not be shown.
*/
-static inline void osd_SetMenuVisible( osd_menu_t *p_osd, vlc_bool_t b_value )
+static inline void osd_SetMenuVisible( osd_menu_t *p_osd, bool b_value )
{
vlc_value_t val;
* Update the OSD Menu update flag
*
* If the OSD Menu should be updated then set the update flag to
- * VLC_TRUE, else to VLC_FALSE.
+ * true, else to false.
*/
-static inline void osd_SetMenuUpdate( osd_menu_t *p_osd, vlc_bool_t b_value )
+static inline void osd_SetMenuUpdate( osd_menu_t *p_osd, bool b_value )
{
vlc_value_t val;
* object. The types are declared in the include file include/vlc_osd.h
* @see vlc_osd.h
*/
-VLC_EXPORT( int, osd_ShowTextRelative, ( spu_t *, int, char *, text_style_t *, int, int, int, mtime_t ) );
-VLC_EXPORT( int, osd_ShowTextAbsolute, ( spu_t *, int, char *, text_style_t *, int, int, int, mtime_t, mtime_t ) );
-VLC_EXPORT( void,osd_Message, ( spu_t *, int, char *, ... ) );
+VLC_EXPORT( int, osd_ShowTextRelative, ( spu_t *, int, const char *, const text_style_t *, int, int, int, mtime_t ) );
+VLC_EXPORT( int, osd_ShowTextAbsolute, ( spu_t *, int, const char *, const text_style_t *, int, int, int, mtime_t, mtime_t ) );
+VLC_EXPORT( void, osd_Message, ( spu_t *, int, char *, ... ) LIBVLC_FORMAT( 3, 4 ) );
/**
* Default feedback images
VLC_EXPORT( int, osd_Slider, ( vlc_object_t *, spu_t *, int, int, int, int, int, int, short ) );
VLC_EXPORT( int, osd_Icon, ( vlc_object_t *, spu_t *, int, int, int, int, int, short ) );
+/** @} */
+
+/**********************************************************************
+ * Vout text and widget overlays
+ **********************************************************************/
+
+VLC_EXPORT( int, vout_ShowTextRelative, ( vout_thread_t *, int, char *, const text_style_t *, int, int, int, mtime_t ) );
+
+VLC_EXPORT( int, vout_ShowTextAbsolute, ( vout_thread_t *, int, const char *, const text_style_t *, int, int, int, mtime_t, mtime_t ) );
+
+VLC_EXPORT( int, vout_OSDEpg, ( vout_thread_t *, input_item_t * ) );
+
/**
- * Loading and parse the OSD Configuration file
- *
- * These functions load/unload the OSD menu configuration file and
- * create/destroy the themable OSD menu structure on the OSD object.
+ * Write an informative message at the default location,
+ * for the default duration and only if the OSD option is enabled.
+ * \param p_caller The object that called the function.
+ * \param i_channel Subpicture channel
+ * \param psz_format printf style formatting
+ **/
+VLC_EXPORT( void, vout_OSDMessage, ( vlc_object_t *, int, const char *, ... ) LIBVLC_FORMAT( 3, 4 ) );
+
+#define vout_OSDMessage( obj, chan, ...) \
+ vout_OSDMessage( VLC_OBJECT(obj), chan, __VA_ARGS__ )
+
+/**
+ * Display a slider on the video output.
+ * \param p_this The object that called the function.
+ * \param i_channel Subpicture channel
+ * \param i_postion Current position in the slider
+ * \param i_type Types are: OSD_HOR_SLIDER and OSD_VERT_SLIDER.
+ * @see vlc_osd.h
+ */
+VLC_EXPORT( void, vout_OSDSlider, ( vlc_object_t *, int, int , short ) );
+
+/**
+ * Display an Icon on the video output.
+ * \param p_this The object that called the function.
+ * \param i_channel Subpicture channel
+ * \param i_type Types are: OSD_PLAY_ICON, OSD_PAUSE_ICON, OSD_SPEAKER_ICON, OSD_MUTE_ICON
+ * @see vlc_osd.h
*/
-VLC_EXPORT( int, osd_ConfigLoader, ( vlc_object_t *, const char *, osd_menu_t ** ) );
-VLC_EXPORT( void, osd_ConfigUnload, ( vlc_object_t *, osd_menu_t ** ) );
+VLC_EXPORT( void, vout_OSDIcon, ( vlc_object_t *, int, short ) );
# ifdef __cplusplus
}