/*****************************************************************************
* video_text.c : text manipulation functions
*****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: video_text.c,v 1.48 2003/12/09 19:15:03 yoann Exp $
+ * Copyright (C) 1999-2004 the VideoLAN team
+ * $Id$
*
- * Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
+ * Author: Sigmund Augdal <sigmunau@idi.ntnu.no>
*
* 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
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#include <vlc/vout.h>
-#include <osd.h>
+#include <vlc_block.h>
+#include <vlc_filter.h>
+#include <vlc_osd.h>
/**
* \brief Show text on the video for some time
* \param p_vout pointer to the vout the text is to be showed on
+ * \param i_channel Subpicture channel
* \param psz_string The text to be shown
* \param p_style Pointer to a struct with text style info
* \param i_flags flags for alignment and such
* \param i_vmargin vertical margin in pixels
* \param i_duration Amount of time the text is to be shown.
*/
-subpicture_t *vout_ShowTextRelative( vout_thread_t *p_vout, char *psz_string,
- text_style_t *p_style, int i_flags,
- int i_hmargin, int i_vmargin,
- mtime_t i_duration )
+int vout_ShowTextRelative( vout_thread_t *p_vout, int i_channel,
+ char *psz_string, text_style_t *p_style,
+ int i_flags, int i_hmargin, int i_vmargin,
+ mtime_t i_duration )
{
- subpicture_t *p_subpic = NULL;
mtime_t i_now = mdate();
- if ( p_vout->pf_add_string )
- {
- p_subpic = p_vout->pf_add_string( p_vout, psz_string, p_style, i_flags,
- i_hmargin, i_vmargin, i_now, i_now + i_duration );
- }
- else
- {
- msg_Warn( p_vout, "No text renderer found" );
- }
-
- return p_subpic;
+ return vout_ShowTextAbsolute( p_vout, i_channel, psz_string,
+ p_style, i_flags, i_hmargin, i_vmargin,
+ i_now, i_now + i_duration );
}
/**
* \brief Show text on the video from a given start date to a given end date
* \param p_vout pointer to the vout the text is to be showed on
+ * \param i_channel Subpicture channel
* \param psz_string The text to be shown
* \param p_style Pointer to a struct with text style info
* \param i_flags flags for alignment and such
* if this is 0 the string will be shown untill the next string
* is about to be shown
*/
-void vout_ShowTextAbsolute( vout_thread_t *p_vout, char *psz_string,
- text_style_t *p_style, int i_flags,
- int i_hmargin, int i_vmargin, mtime_t i_start,
- mtime_t i_stop )
+int vout_ShowTextAbsolute( vout_thread_t *p_vout, int i_channel,
+ char *psz_string, text_style_t *p_style,
+ int i_flags, int i_hmargin, int i_vmargin,
+ mtime_t i_start, mtime_t i_stop )
{
- if ( p_vout->pf_add_string )
- {
- p_vout->pf_add_string( p_vout, psz_string, p_style, i_flags, i_hmargin,
- i_vmargin, i_start, i_stop );
- }
- else
+ subpicture_t *p_spu;
+ video_format_t fmt;
+
+ if( !psz_string ) return VLC_EGENERIC;
+
+ p_spu = spu_CreateSubpicture( p_vout->p_spu );
+ if( !p_spu ) return VLC_EGENERIC;
+
+ /* Create a new subpicture region */
+ memset( &fmt, 0, sizeof(video_format_t) );
+ fmt.i_chroma = VLC_FOURCC('T','E','X','T');
+ fmt.i_aspect = 0;
+ fmt.i_width = fmt.i_height = 0;
+ fmt.i_x_offset = fmt.i_y_offset = 0;
+ p_spu->p_region = p_spu->pf_create_region( VLC_OBJECT(p_vout), &fmt );
+ if( !p_spu->p_region )
{
- msg_Warn( p_vout, "No text renderer found" );
+ msg_Err( p_vout, "cannot allocate SPU region" );
+ spu_DestroySubpicture( p_vout->p_spu, p_spu );
+ return VLC_EGENERIC;
}
+
+ p_spu->p_region->psz_text = strdup( psz_string );
+ p_spu->i_start = i_start;
+ p_spu->i_stop = i_stop;
+ p_spu->b_ephemer = VLC_TRUE;
+ p_spu->b_absolute = VLC_FALSE;
+
+ p_spu->i_x = i_hmargin;
+ p_spu->i_y = i_vmargin;
+ p_spu->i_flags = i_flags;
+ p_spu->i_channel = i_channel;
+
+ spu_DisplaySubpicture( p_vout->p_spu, p_spu );
+
+ return VLC_SUCCESS;
}
/**
* \brief Write an informative message at the default location,
- * for the default duration and only if the OSD option is enabled.
+ * for the default duration and only if the OSD option is enabled.
* \param p_caller The object that called the function.
- * \param psz_string The text to be shown
+ * \param i_channel Subpicture channel
+ * \param psz_format printf style formatting
**/
-void vout_OSDMessage( vlc_object_t *p_caller, char *psz_string )
+void __vout_OSDMessage( vlc_object_t *p_caller, int i_channel,
+ char *psz_format, ... )
{
vout_thread_t *p_vout;
+ char *psz_string;
+ va_list args;
if( !config_GetInt( p_caller, "osd" ) ) return;
p_vout = vlc_object_find( p_caller, VLC_OBJECT_VOUT, FIND_ANYWHERE );
-
if( p_vout )
{
- vlc_mutex_lock( &p_vout->change_lock );
-
- if( p_vout->p_last_osd_message )
- {
- vout_DestroySubPicture( p_vout, p_vout->p_last_osd_message );
- }
+ va_start( args, psz_format );
+ vasprintf( &psz_string, psz_format, args );
- p_vout->p_last_osd_message = vout_ShowTextRelative( p_vout, psz_string,
- NULL, OSD_ALIGN_TOP|OSD_ALIGN_RIGHT, 30,20,1000000 );
-
- vlc_mutex_unlock( &p_vout->change_lock );
+ vout_ShowTextRelative( p_vout, i_channel, psz_string, NULL,
+ OSD_ALIGN_TOP|OSD_ALIGN_RIGHT, 30,20,1000000 );
vlc_object_release( p_vout );
+ free( psz_string );
+ va_end( args );
}
}
-
projects / vlc / blobdiff