1 /*****************************************************************************
2 * fbosd.c : framebuffer osd plugin for vlc
3 *****************************************************************************
4 * Copyright (C) 2007-2008, the VideoLAN team
7 * Authors: Jean-Paul Saman
8 * Copied from modules/video_output/fb.c by Samuel Hocevar <sam@zoy.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_plugin.h>
36 #include <stdlib.h> /* free() */
37 #include <string.h> /* strerror() */
38 #include <fcntl.h> /* open() */
39 #include <unistd.h> /* close() */
41 #include <sys/ioctl.h>
42 #include <sys/mman.h> /* mmap() */
46 #include <vlc_image.h>
47 #include <vlc_interface.h>
48 #include <vlc_input.h>
50 #include <vlc_filter.h>
52 #include <vlc_strings.h>
57 /*****************************************************************************
59 *****************************************************************************/
60 static int Create ( vlc_object_t * );
61 static void Destroy ( vlc_object_t * );
62 static void Run ( intf_thread_t * );
64 static int Init ( intf_thread_t * );
65 static void End ( intf_thread_t * );
67 static int OpenDisplay ( intf_thread_t * );
68 static void CloseDisplay ( intf_thread_t * );
70 /* Load modules needed for rendering and blending */
71 #if defined(FBOSD_BLENDING)
72 static int OpenBlending ( intf_thread_t * );
73 static void CloseBlending ( intf_thread_t * );
75 static int OpenTextRenderer ( intf_thread_t * );
76 static void CloseTextRenderer( intf_thread_t * );
78 /* Manipulate the overlay buffer */
79 static int OverlayCallback( vlc_object_t *, char const *,
80 vlc_value_t, vlc_value_t, void * );
82 static picture_t *AllocatePicture( vlc_object_t *,
84 static void DeAllocatePicture( vlc_object_t *, picture_t *,
86 static void SetOverlayTransparency( intf_thread_t *,
88 static picture_t *LoadImage( intf_thread_t *, video_format_t *,
91 #if defined(FBOSD_BLENDING)
92 static int BlendPicture( intf_thread_t *, video_format_t *,
93 video_format_t *, picture_t *, picture_t * );
95 static picture_t *ConvertImage( intf_thread_t *, picture_t *,
96 video_format_t *, video_format_t * );
98 static int RenderPicture( intf_thread_t *, int, int,
99 picture_t *, picture_t * );
100 static picture_t *RenderText( intf_thread_t *, const char *,
101 text_style_t *, video_format_t * );
103 #define DEVICE_TEXT N_("Framebuffer device")
104 #define DEVICE_LONGTEXT N_( \
105 "Framebuffer device to use for rendering (usually /dev/fb0).")
107 #define ASPECT_RATIO_TEXT N_("Video aspect ratio")
108 #define ASPECT_RATIO_LONGTEXT N_( \
109 "Aspect ratio of the video image (4:3, 16:9). Default is square pixels." )
111 #define FBOSD_IMAGE_TEXT N_("Image file")
112 #define FBOSD_IMAGE_LONGTEXT N_( \
113 "Filename of image file to use on the overlay framebuffer." )
115 #define ALPHA_TEXT N_("Transparency of the image")
116 #define ALPHA_LONGTEXT N_( "Transparency value of the new image " \
117 "used in blending. By default it set to fully opaque (255). " \
118 "(from 0 for full transparency to 255 for full opacity)" )
120 #define FBOSD_TEXT N_("Text")
121 #define FBOSD_LONGTEXT N_( "Text to display on the overlay framebuffer." )
123 #define POSX_TEXT N_("X coordinate")
124 #define POSX_LONGTEXT N_("X coordinate of the rendered image")
126 #define POSY_TEXT N_("Y coordinate")
127 #define POSY_LONGTEXT N_("Y coordinate of the rendered image")
129 #define POS_TEXT N_("Position")
130 #define POS_LONGTEXT N_( \
131 "You can enforce the picture position on the overlay " \
132 "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
133 "also use combinations of these values, e.g. 6=top-right).")
135 #define OPACITY_TEXT N_("Opacity")
136 #define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \
137 "overlayed text. 0 = transparent, 255 = totally opaque. " )
139 #define SIZE_TEXT N_("Font size, pixels")
140 #define SIZE_LONGTEXT N_("Font size, in pixels. Default is -1 (use default " \
143 #define COLOR_TEXT N_("Color")
144 #define COLOR_LONGTEXT N_("Color of the text that will be rendered on "\
145 "the video. This must be an hexadecimal (like HTML colors). The first two "\
146 "chars are for red, then green, then blue. #000000 = black, #FF0000 = red,"\
147 " #00FF00 = green, #FFFF00 = yellow (red + green), #FFFFFF = white" )
149 #define CLEAR_TEXT N_( "Clear overlay framebuffer" )
150 #define CLEAR_LONGTEXT N_( "The displayed overlay images is cleared by " \
151 "making the overlay completely transparent. All previously rendered " \
152 "images and text will be cleared from the cache." )
154 #define RENDER_TEXT N_( "Render text or image" )
155 #define RENDER_LONGTEXT N_( "Render the image or text in current overlay " \
158 #define DISPLAY_TEXT N_( "Display on overlay framebuffer" )
159 #define DISPLAY_LONGTEXT N_( "All rendered images and text will be " \
160 "displayed on the overlay framebuffer." )
162 static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
163 static const char *ppsz_pos_descriptions[] =
164 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
165 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
167 static int pi_color_values[] = { 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
168 0x00FFFFFF, 0x00800000, 0x00FF0000, 0x00FF00FF, 0x00FFFF00,
169 0x00808000, 0x00008000, 0x00008080, 0x0000FF00, 0x00800080,
170 0x00000080, 0x000000FF, 0x0000FFFF};
171 static const char *ppsz_color_descriptions[] = { N_("Default"), N_("Black"),
172 N_("Gray"), N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
173 N_("Fuchsia"), N_("Yellow"), N_("Olive"), N_("Green"),
174 N_("Teal"), N_("Lime"), N_("Purple"), N_("Navy"), N_("Blue"),
178 set_shortname( "fbosd" );
179 set_category( CAT_INTERFACE );
180 set_subcategory( SUBCAT_INTERFACE_MAIN );
182 add_file( "fbosd-dev", "/dev/fb1", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
184 add_string( "fbosd-aspect-ratio", "", NULL, ASPECT_RATIO_TEXT,
185 ASPECT_RATIO_LONGTEXT, true );
187 add_string( "fbosd-image", NULL, NULL, FBOSD_IMAGE_TEXT,
188 FBOSD_IMAGE_LONGTEXT, true );
189 add_string( "fbosd-text", NULL, NULL, FBOSD_TEXT,
190 FBOSD_LONGTEXT, true );
192 #if defined(FBOSD_BLENDING)
193 add_integer_with_range( "fbosd-alpha", 255, 0, 255, NULL, ALPHA_TEXT,
194 ALPHA_LONGTEXT, true );
198 set_section( N_("Position"), NULL );
199 add_integer( "fbosd-x", 0, NULL, POSX_TEXT,
200 POSX_LONGTEXT, false );
201 add_integer( "fbosd-y", 0, NULL, POSY_TEXT,
202 POSY_LONGTEXT, false );
203 add_integer( "fbosd-position", 8, NULL, POS_TEXT, POS_LONGTEXT, true );
204 change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
206 set_section( N_("Font"), NULL );
207 add_integer_with_range( "fbosd-font-opacity", 255, 0, 255, NULL,
208 OPACITY_TEXT, OPACITY_LONGTEXT, false );
209 add_integer( "fbosd-font-color", 0x00FFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
211 change_integer_list( pi_color_values, ppsz_color_descriptions, 0 );
212 add_integer( "fbosd-font-size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT,
215 set_section( N_("Commands"), NULL );
216 add_bool( "fbosd-clear", false, NULL, CLEAR_TEXT, CLEAR_LONGTEXT, true );
217 add_bool( "fbosd-render", false, NULL, RENDER_TEXT, RENDER_LONGTEXT, true );
218 add_bool( "fbosd-display", false, NULL, DISPLAY_TEXT, DISPLAY_LONGTEXT, true );
220 set_description( _("GNU/Linux osd/overlay framebuffer interface") );
221 set_capability( "interface", 10 );
222 set_callbacks( Create, Destroy );
225 /*****************************************************************************
226 * fbosd_render_t: render descriptor
227 *****************************************************************************/
228 struct fbosd_render_t
230 #define FBOSD_RENDER_IMAGE 0
231 #define FBOSD_RENDER_TEXT 1
234 #define FBOSD_STATE_FREE 0
235 #define FBOSD_STATE_RESERVED 1
236 #define FBOSD_STATE_RENDER 2
240 text_style_t text_style; /* font control */
248 int i_alpha; /* transparency for images */
250 #define FBOSD_RENDER_MAX 10
252 /*****************************************************************************
253 * intf_sys_t: interface framebuffer method descriptor
254 *****************************************************************************/
257 /* Framebuffer information */
258 int i_fd; /* device handle */
259 struct fb_var_screeninfo var_info; /* current mode information */
260 bool b_pan; /* does device supports panning ? */
261 struct fb_cmap fb_cmap; /* original colormap */
262 uint16_t *p_palette; /* original palette */
264 /* Overlay framebuffer format */
265 video_format_t fmt_out;
266 picture_t *p_overlay;
267 size_t i_page_size; /* page size */
271 int i_bytes_per_pixel;
273 /* Image and Picture rendering */
274 image_handler_t *p_image;
275 #if defined(FBOSD_BLENDING)
276 filter_t *p_blend; /* alpha blending module */
278 filter_t *p_text; /* text renderer module */
281 struct fbosd_render_t render[FBOSD_RENDER_MAX];
284 text_style_t *p_style; /* font control */
292 int i_alpha; /* transparency for images */
294 /* commands control */
295 bool b_need_update; /* update display with \overlay buffer */
296 bool b_clear; /* clear overlay buffer make it tranparent */
297 bool b_render; /* render an image or text in overlay buffer */
300 /*****************************************************************************
301 * Create: allocates FB interface thread output method
302 *****************************************************************************/
303 static int Create( vlc_object_t *p_this )
305 intf_thread_t *p_intf = (intf_thread_t *)p_this;
311 /* Allocate instance and initialize some members */
312 p_intf->p_sys = p_sys = malloc( sizeof( intf_sys_t ) );
315 memset( p_sys, 0, sizeof(intf_sys_t) );
317 p_sys->p_style = malloc( sizeof( text_style_t ) );
318 if( !p_sys->p_style )
320 free( p_intf->p_sys );
323 vlc_memcpy( p_sys->p_style, &default_text_style, sizeof( text_style_t ) );
325 p_intf->pf_run = Run;
327 p_sys->p_image = image_HandlerCreate( p_this );
328 if( !p_sys->p_image )
330 free( p_intf->p_sys->p_style );
331 free( p_intf->p_sys );
335 #if defined(FBOSD_BLENDING)
336 p_sys->i_alpha = var_CreateGetIntegerCommand( p_intf, "fbosd-alpha" );
337 var_AddCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
339 p_sys->i_alpha = 255;
341 p_sys->i_aspect = -1;
343 var_CreateGetNonEmptyString( p_intf, "fbosd-aspect-ratio" );
346 char *psz_parser = strchr( psz_aspect, ':' );
350 *psz_parser++ = '\0';
351 p_sys->i_aspect = ( atoi( psz_aspect )
352 * VOUT_ASPECT_FACTOR ) / atoi( psz_parser );
353 p_sys->fmt_out.i_aspect = p_sys->i_aspect;
355 msg_Dbg( p_intf, "using aspect ratio %d:%d",
356 atoi( psz_aspect ), atoi( psz_parser ) );
362 /* Use PAL by default */
363 p_sys->i_width = p_sys->fmt_out.i_width = 704;
364 p_sys->i_height = p_sys->fmt_out.i_height = 576;
366 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-image" );
367 var_AddCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
368 if( psz_tmp && *psz_tmp )
370 p_sys->render[0].i_type = FBOSD_RENDER_IMAGE;
371 p_sys->render[0].i_state = FBOSD_STATE_RENDER;
372 p_sys->render[0].psz_string = strdup( psz_tmp );
376 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-text" );
377 var_AddCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
378 if( psz_tmp && *psz_tmp )
380 p_sys->render[1].i_type = FBOSD_RENDER_TEXT;
381 p_sys->render[1].i_state = FBOSD_STATE_RENDER;
382 p_sys->render[1].psz_string = strdup( psz_tmp );
386 p_sys->i_pos = var_CreateGetIntegerCommand( p_intf, "fbosd-position" );
387 p_sys->i_x = var_CreateGetIntegerCommand( p_intf, "fbosd-x" );
388 p_sys->i_y = var_CreateGetIntegerCommand( p_intf, "fbosd-y" );
390 var_AddCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
391 var_AddCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
392 var_AddCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
394 p_sys->p_style->i_font_size =
395 var_CreateGetIntegerCommand( p_intf, "fbosd-font-size" );
396 p_sys->p_style->i_font_color =
397 var_CreateGetIntegerCommand( p_intf, "fbosd-font-color" );
398 p_sys->p_style->i_font_alpha = 255 -
399 var_CreateGetIntegerCommand( p_intf, "fbosd-font-opacity" );
401 var_AddCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
402 var_AddCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
403 var_AddCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
405 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
407 vlc_memcpy( &p_sys->render[i].text_style, &default_text_style,
408 sizeof( text_style_t ) );
411 p_sys->b_clear = var_CreateGetBoolCommand( p_intf, "fbosd-clear" );
412 p_sys->b_render = var_CreateGetBoolCommand( p_intf, "fbosd-render" );
413 p_sys->b_need_update = var_CreateGetBoolCommand( p_intf, "fbosd-display" );
415 var_AddCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
416 var_AddCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
417 var_AddCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
419 /* Check if picture position was overridden */
420 p_sys->b_absolute = true;
421 if( ( p_sys->i_x >= 0 ) && ( p_sys->i_y >= 0 ) )
423 p_sys->b_absolute = false;
424 p_sys->i_y = (p_sys->i_y < p_sys->i_height) ?
425 p_sys->i_y : p_sys->i_height;
426 p_sys->i_x = (p_sys->i_x < p_sys->i_width) ?
427 p_sys->i_x : p_sys->i_width;
430 p_sys->render[0].i_x = p_sys->render[1].i_x = p_sys->i_x;
431 p_sys->render[0].i_y = p_sys->render[1].i_y = p_sys->i_y;
432 p_sys->render[0].i_pos = p_sys->render[1].i_pos = p_sys->i_pos;
433 p_sys->render[0].i_alpha = p_sys->render[1].i_alpha = p_sys->i_alpha;
435 /* Initialize framebuffer */
436 if( OpenDisplay( p_intf ) )
438 Destroy( VLC_OBJECT(p_intf) );
444 #if defined(FBOSD_BLENDING)
445 /* Load the blending module */
446 if( OpenBlending( p_intf ) )
448 msg_Err( p_intf, "Unable to load image blending module" );
449 Destroy( VLC_OBJECT(p_intf) );
454 /* Load text renderer module */
455 if( OpenTextRenderer( p_intf ) )
457 msg_Err( p_intf, "Unable to load text rendering module" );
458 Destroy( VLC_OBJECT(p_intf) );
462 p_sys->b_render = true;
463 p_sys->b_need_update = true;
468 /*****************************************************************************
469 * Destroy: destroy FB interface thread output method
470 *****************************************************************************
471 * Terminate an output method created by Create
472 *****************************************************************************/
473 static void Destroy( vlc_object_t *p_this )
475 intf_thread_t *p_intf = (intf_thread_t *)p_this;
476 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
479 p_sys->b_need_update = false;
480 p_sys->b_render = false;
481 p_sys->b_clear = false;
483 #if defined(FBOSD_BLENDING)
484 var_DelCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
485 var_Destroy( p_intf, "fbosd-alpha" );
488 var_DelCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
489 var_DelCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
490 var_DelCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
491 var_DelCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
492 var_DelCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
493 var_DelCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
494 var_DelCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
495 var_DelCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
496 var_DelCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
497 var_DelCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
498 var_DelCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
500 var_Destroy( p_intf, "fbosd-x" );
501 var_Destroy( p_intf, "fbosd-y" );
502 var_Destroy( p_intf, "fbosd-position" );
503 var_Destroy( p_intf, "fbosd-image" );
504 var_Destroy( p_intf, "fbosd-text" );
505 var_Destroy( p_intf, "fbosd-font-size" );
506 var_Destroy( p_intf, "fbosd-font-color" );
507 var_Destroy( p_intf, "fbosd-font-opacity" );
508 var_Destroy( p_intf, "fbosd-clear" );
509 var_Destroy( p_intf, "fbosd-render" );
510 var_Destroy( p_intf, "fbosd-display" );
512 var_Destroy( p_intf, "fbosd-aspect-ratio" );
514 CloseDisplay( p_intf );
516 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
518 free( p_sys->render[i].psz_string );
519 p_sys->render[i].i_state = FBOSD_STATE_FREE;
522 #if defined(FBOSD_BLENDING)
523 if( p_sys->p_blend ) CloseBlending( p_intf );
525 if( p_sys->p_text ) CloseTextRenderer( p_intf );
528 image_HandlerDelete( p_sys->p_image );
529 if( p_sys->p_overlay )
530 p_sys->p_overlay->pf_release( p_sys->p_overlay );
532 free( p_sys->p_style );
536 #if defined(FBOSD_BLENDING)
537 static int OpenBlending( intf_thread_t *p_intf )
539 if( p_intf->p_sys->p_blend ) return VLC_EGENERIC;
541 p_intf->p_sys->p_blend =
542 vlc_object_create( p_intf, VLC_OBJECT_FILTER );
543 vlc_object_attach( p_intf->p_sys->p_blend, p_intf );
544 p_intf->p_sys->p_blend->fmt_out.video.i_x_offset =
545 p_intf->p_sys->p_blend->fmt_out.video.i_y_offset = 0;
546 p_intf->p_sys->p_blend->fmt_out.video.i_aspect =
547 p_intf->p_sys->fmt_out.i_aspect;
548 p_intf->p_sys->p_blend->fmt_out.video.i_chroma =
549 p_intf->p_sys->fmt_out.i_chroma;
550 if( config_GetInt( p_intf, "freetype-yuvp" ) )
551 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
552 VLC_FOURCC('Y','U','V','P');
554 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
555 VLC_FOURCC('Y','U','V','A');
557 p_intf->p_sys->p_blend->p_module =
558 module_Need( p_intf->p_sys->p_blend, "video blending", 0, 0 );
560 if( !p_intf->p_sys->p_blend->p_module )
566 static void CloseBlending( intf_thread_t *p_intf )
568 if( p_intf->p_sys->p_blend )
570 if( p_intf->p_sys->p_blend->p_module )
571 module_Unneed( p_intf->p_sys->p_blend,
572 p_intf->p_sys->p_blend->p_module );
574 vlc_object_detach( p_intf->p_sys->p_blend );
575 vlc_object_release( p_intf->p_sys->p_blend );
580 static int OpenTextRenderer( intf_thread_t *p_intf )
582 char *psz_modulename = NULL;
584 if( p_intf->p_sys->p_text ) return VLC_EGENERIC;
586 p_intf->p_sys->p_text =
587 vlc_object_create( p_intf, VLC_OBJECT_FILTER );
588 vlc_object_attach( p_intf->p_sys->p_text, p_intf );
590 p_intf->p_sys->p_text->fmt_out.video.i_width =
591 p_intf->p_sys->p_text->fmt_out.video.i_visible_width =
592 p_intf->p_sys->i_width;
593 p_intf->p_sys->p_text->fmt_out.video.i_height =
594 p_intf->p_sys->p_text->fmt_out.video.i_visible_height =
595 p_intf->p_sys->i_height;
597 psz_modulename = var_CreateGetString( p_intf, "text-renderer" );
598 if( psz_modulename && *psz_modulename )
600 p_intf->p_sys->p_text->p_module =
601 module_Need( p_intf->p_sys->p_text, "text renderer",
602 psz_modulename, true );
604 if( !p_intf->p_sys->p_text->p_module )
606 p_intf->p_sys->p_text->p_module =
607 module_Need( p_intf->p_sys->p_text, "text renderer", 0, 0 );
609 free( psz_modulename );
611 if( !p_intf->p_sys->p_text->p_module )
617 static void CloseTextRenderer( intf_thread_t *p_intf )
619 if( p_intf->p_sys->p_text )
621 if( p_intf->p_sys->p_text->p_module )
622 module_Unneed( p_intf->p_sys->p_text,
623 p_intf->p_sys->p_text->p_module );
625 vlc_object_detach( p_intf->p_sys->p_text );
626 vlc_object_release( p_intf->p_sys->p_text );
630 /*****************************************************************************
632 * allocate a picture buffer for use with the overlay fb.
633 *****************************************************************************/
634 static picture_t *AllocatePicture( vlc_object_t *p_this,
635 video_format_t *p_fmt )
637 picture_t *p_pic = malloc( sizeof( picture_t ) );
638 if( !p_pic ) return NULL;
640 if( !p_fmt->p_palette &&
641 ( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') ) )
643 p_fmt->p_palette = malloc( sizeof(video_palette_t) );
644 if( !p_fmt->p_palette )
650 else p_fmt->p_palette = NULL;
652 p_pic->p_data_orig = NULL;
654 vout_AllocatePicture( p_this, p_pic, p_fmt->i_chroma,
655 p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
657 if( !p_pic->i_planes )
660 free( p_fmt->p_palette );
666 /*****************************************************************************
668 * Deallocate a picture buffer and free all associated memory.
669 *****************************************************************************/
670 static void DeAllocatePicture( vlc_object_t *p_this, picture_t *p_pic,
671 video_format_t *p_fmt )
676 free( p_pic->p_data_orig );
677 if( p_pic->pf_release ) p_pic->pf_release( p_pic );
682 free( p_fmt->p_palette );
683 p_fmt->p_palette = NULL;
688 /*****************************************************************************
689 * SetOverlayTransparency: Set the transparency for this overlay fb,
690 * - true is make transparent
691 * - false is make non tranparent
692 *****************************************************************************/
693 static void SetOverlayTransparency( intf_thread_t *p_intf,
696 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
697 size_t i_size = p_sys->fmt_out.i_width * p_sys->fmt_out.i_height
698 * p_sys->i_bytes_per_pixel;
699 size_t i_page_size = (p_sys->i_page_size > i_size) ?
700 i_size : p_sys->i_page_size;
702 if( p_sys->p_overlay )
704 msg_Dbg( p_intf, "Make overlay %s",
705 b_transparent ? "transparent" : "opaque" );
706 memset( p_sys->p_overlay->p[0].p_pixels, 0x00, i_page_size );
708 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, i_page_size );
712 #if defined(FBOSD_BLENDING)
713 /*****************************************************************************
714 * BlendPicture: Blend two pictures together..
715 *****************************************************************************/
716 static int BlendPicture( intf_thread_t *p_intf, video_format_t *p_fmt_src,
717 video_format_t *p_fmt_dst, picture_t *p_pic_src,
718 picture_t *p_pic_dst )
720 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
721 if( p_sys->p_blend && p_sys->p_blend->p_module )
723 int i_x_offset = p_sys->i_x;
724 int i_y_offset = p_sys->i_y;
726 memcpy( &p_sys->p_blend->fmt_in.video, p_fmt_src, sizeof( video_format_t ) );
728 /* Update the output picture size */
729 p_sys->p_blend->fmt_out.video.i_width =
730 p_sys->p_blend->fmt_out.video.i_visible_width =
732 p_sys->p_blend->fmt_out.video.i_height =
733 p_sys->p_blend->fmt_out.video.i_visible_height =
736 i_x_offset = __MAX( i_x_offset, 0 );
737 i_y_offset = __MAX( i_y_offset, 0 );
739 p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_pic_dst,
740 p_pic_src, p_pic_dst, i_x_offset, i_y_offset,
748 static int InvertAlpha( intf_thread_t *p_intf, picture_t **p_pic, video_format_t fmt )
750 uint8_t *p_begin = NULL, *p_end = NULL;
753 if( *p_pic && ((*p_pic)->i_planes != 1) )
756 "cannot invert alpha channel too many planes %d (only 1 supported)",
757 (*p_pic)->i_planes );
761 switch( fmt.i_chroma )
763 case VLC_FOURCC('R','V','2','4'):
764 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
765 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
766 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
769 case VLC_FOURCC('R','V','3','2'):
770 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
771 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
772 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
776 msg_Err( p_intf, "cannot invert alpha channel chroma not supported %4.4s",
777 (char *)&fmt.i_chroma );
781 for( ; p_begin < p_end; p_begin += i_skip )
785 if( i_opacity != 0xFF )
786 i_opacity = 255 - *p_begin;
787 *p_begin = i_opacity;
794 /*****************************************************************************
795 * RenderPicture: Render the picture into the p_dest buffer.
796 * We don't take transparent pixels into account, so we don't have to blend
797 * the two images together.
798 *****************************************************************************/
799 static int RenderPicture( intf_thread_t *p_intf, int i_x_offset, int i_y_offset,
800 picture_t *p_src, picture_t *p_dest )
803 VLC_UNUSED( p_intf );
805 if( !p_dest && !p_src ) return VLC_EGENERIC;
807 for( i = 0; i < p_src->i_planes ; i++ )
809 if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
811 /* There are margins, but with the same width : perfect ! */
812 vlc_memcpy( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
813 p_src->p[i].i_pitch * p_src->p[i].i_visible_lines );
817 /* We need to proceed line by line */
818 uint8_t *p_in = p_src->p[i].p_pixels;
819 uint8_t *p_out = p_dest->p[i].p_pixels;
821 int i_x = i_x_offset * p_src->p[i].i_pixel_pitch;
822 int i_x_clip, i_y_clip;
824 /* Check boundaries, clip the image if necessary */
825 i_x_clip = ( i_x + p_src->p[i].i_visible_pitch ) - p_dest->p[i].i_visible_pitch;
826 i_x_clip = ( i_x_clip > 0 ) ? i_x_clip : 0;
828 i_y_clip = ( i_y_offset + p_src->p[i].i_visible_lines ) - p_dest->p[i].i_visible_lines;
829 i_y_clip = ( i_y_clip > 0 ) ? i_y_clip : 0;
830 #if defined(FBOSD_DEBUG)
831 msg_Dbg( p_intf, "i_pitch (%d,%d), (%d,%d)/(%d,%d)",
832 p_dest->p[i].i_visible_pitch, p_src->p[i].i_visible_pitch,
833 i_x_offset, i_y_offset, i_x, i_x_clip );
835 if( ( i_y_offset <= p_dest->p[i].i_visible_lines ) &&
836 ( i_x <= p_dest->p[i].i_visible_pitch ) )
840 p_out += ( i_y_offset * p_dest->p[i].i_pitch );
841 for( i_line = 0; i_line < ( p_src->p[i].i_visible_lines - i_y_clip ); i_line++ )
843 vlc_memcpy( p_out + i_x, p_in,
844 p_src->p[i].i_visible_pitch - i_x_clip );
845 p_in += p_src->p[i].i_pitch;
846 p_out += p_dest->p[i].i_pitch;
854 /*****************************************************************************
855 * RenderText - Render text to the desired picture format
856 *****************************************************************************/
857 static picture_t *RenderText( intf_thread_t *p_intf, const char *psz_string,
858 text_style_t *p_style, video_format_t *p_fmt )
860 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
861 subpicture_region_t *p_region;
862 picture_t *p_dest = NULL;
864 if( !psz_string ) return p_dest;
866 if( p_sys->p_text && p_sys->p_text->p_module )
868 p_region = (subpicture_region_t *) malloc( sizeof(subpicture_region_t) );
872 memset( p_region, 0, sizeof(subpicture_region_t) );
874 p_region->psz_text = strdup( psz_string );
875 p_region->p_style = p_style;
877 p_region->fmt.i_chroma = VLC_FOURCC('T','E','X','T');
878 p_region->fmt.i_aspect = 0;
879 p_region->fmt.i_width = p_region->fmt.i_visible_width = 0;
880 p_region->fmt.i_height = p_region->fmt.i_visible_height = 0;
881 p_region->fmt.i_x_offset = 0;
882 p_region->fmt.i_y_offset = 0;
884 p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
886 if( p_sys->p_text->pf_render_text )
888 video_format_t fmt_out;
890 memset( &fmt_out, 0, sizeof(video_format_t) );
892 p_sys->p_text->pf_render_text( p_sys->p_text,
893 p_region, p_region );
895 #if defined(FBOSD_BLENDING)
896 fmt_out = p_region->fmt;
897 fmt_out.i_bits_per_pixel = 32;
898 vlc_memcpy( p_fmt, &fmt_out, sizeof(video_format_t) );
900 p_dest = AllocatePicture( VLC_OBJECT(p_intf), &fmt_out );
903 if( p_region->picture.pf_release )
904 p_region->picture.pf_release( &p_region->picture );
905 free( p_region->psz_text );
909 vout_CopyPicture( VLC_OBJECT(p_intf), p_dest, &p_region->picture );
911 fmt_out.i_chroma = p_fmt->i_chroma;
912 p_dest = ConvertImage( p_intf, &p_region->picture,
913 &p_region->fmt, &fmt_out );
915 if( p_region->picture.pf_release )
916 p_region->picture.pf_release( &p_region->picture );
917 free( p_region->psz_text );
921 free( p_region->psz_text );
927 /*****************************************************************************
928 * LoadImage: Load an image from file into a picture buffer.
929 *****************************************************************************/
930 static picture_t *LoadImage( intf_thread_t *p_intf, video_format_t *p_fmt,
933 picture_t *p_pic = NULL;
935 if( psz_file && p_intf->p_sys->p_image )
937 video_format_t fmt_in, fmt_out;
939 memset( &fmt_in, 0, sizeof(fmt_in) );
940 memset( &fmt_out, 0, sizeof(fmt_out) );
942 fmt_out.i_chroma = p_fmt->i_chroma;
943 p_pic = image_ReadUrl( p_intf->p_sys->p_image, psz_file,
946 msg_Dbg( p_intf, "image size %dx%d chroma %4.4s",
947 fmt_out.i_width, fmt_out.i_height,
948 (char *)&p_fmt->i_chroma );
953 #if ! defined(FBOSD_BLENDING)
954 /*****************************************************************************
955 * Convertmage: Convert image to another fourcc
956 *****************************************************************************/
957 static picture_t *ConvertImage( intf_thread_t *p_intf, picture_t *p_pic,
958 video_format_t *p_fmt_in, video_format_t *p_fmt_out )
960 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
961 picture_t *p_old = NULL;
965 p_old = image_Convert( p_sys->p_image, p_pic, p_fmt_in, p_fmt_out );
967 msg_Dbg( p_intf, "converted image size %dx%d chroma %4.4s",
968 p_fmt_out->i_width, p_fmt_out->i_height,
969 (char *)&p_fmt_out->i_chroma );
975 /*****************************************************************************
976 * Init: initialize framebuffer video thread output method
977 *****************************************************************************/
978 static int Init( intf_thread_t *p_intf )
980 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
982 /* Initialize the output structure: RGB with square pixels, whatever
983 * the input format is, since it's the only format we know */
984 switch( p_sys->var_info.bits_per_pixel )
986 case 8: /* FIXME: set the palette */
987 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','G','B','2'); break;
989 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','5'); break;
991 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','6'); break;
993 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','2','4'); break;
995 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','3','2'); break;
997 msg_Err( p_intf, "unknown screen depth %i",
998 p_sys->var_info.bits_per_pixel );
1002 p_sys->fmt_out.i_bits_per_pixel = p_sys->var_info.bits_per_pixel;
1003 p_sys->fmt_out.i_width = p_sys->i_width;
1004 p_sys->fmt_out.i_height = p_sys->i_height;
1006 /* Assume we have square pixels */
1007 if( p_sys->i_aspect < 0 )
1009 p_sys->fmt_out.i_aspect = ( p_sys->i_width
1010 * VOUT_ASPECT_FACTOR ) / p_sys->i_height;
1012 else p_sys->fmt_out.i_aspect = p_sys->i_aspect;
1014 p_sys->fmt_out.i_sar_num = p_sys->fmt_out.i_sar_den = 1;
1016 /* Allocate overlay buffer */
1017 p_sys->p_overlay = AllocatePicture( VLC_OBJECT(p_intf),
1019 if( !p_sys->p_overlay ) return VLC_EGENERIC;
1021 SetOverlayTransparency( p_intf, true );
1023 /* We know the chroma, allocate a buffer which will be used
1024 * to write to the overlay framebuffer */
1025 p_sys->p_overlay->p->i_pixel_pitch = p_sys->i_bytes_per_pixel;
1026 p_sys->p_overlay->p->i_lines = p_sys->var_info.yres;
1027 p_sys->p_overlay->p->i_visible_lines = p_sys->var_info.yres;
1029 if( p_sys->var_info.xres_virtual )
1031 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres_virtual
1032 * p_sys->i_bytes_per_pixel;
1036 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres
1037 * p_sys->i_bytes_per_pixel;
1040 p_sys->p_overlay->p->i_visible_pitch = p_sys->var_info.xres
1041 * p_sys->i_bytes_per_pixel;
1043 p_sys->p_overlay->i_planes = 1;
1048 /*****************************************************************************
1049 * End: terminate framebuffer interface
1050 *****************************************************************************/
1051 static void End( intf_thread_t *p_intf )
1053 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
1056 SetOverlayTransparency( p_intf, false );
1057 if( p_sys->p_overlay )
1060 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels, p_sys->i_page_size );
1062 msg_Err( p_intf, "unable to clear overlay" );
1065 DeAllocatePicture( VLC_OBJECT(p_intf), p_intf->p_sys->p_overlay,
1066 &p_intf->p_sys->fmt_out );
1067 p_intf->p_sys->p_overlay = NULL;
1070 /*****************************************************************************
1071 * OpenDisplay: initialize framebuffer
1072 *****************************************************************************/
1073 static int OpenDisplay( intf_thread_t *p_intf )
1075 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
1076 char *psz_device; /* framebuffer device path */
1077 struct fb_fix_screeninfo fix_info; /* framebuffer fix information */
1079 /* Open framebuffer device */
1080 if( !(psz_device = config_GetPsz( p_intf, "fbosd-dev" )) )
1082 msg_Err( p_intf, "don't know which fb osd/overlay device to open" );
1083 return VLC_EGENERIC;
1086 p_sys->i_fd = open( psz_device, O_RDWR );
1087 if( p_sys->i_fd == -1 )
1089 msg_Err( p_intf, "cannot open %s (%s)", psz_device, strerror(errno) );
1091 return VLC_EGENERIC;
1095 /* Get framebuffer device information */
1096 if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->var_info ) )
1098 msg_Err( p_intf, "cannot get fb info (%s)", strerror(errno) );
1099 close( p_sys->i_fd );
1100 return VLC_EGENERIC;
1103 /* Get some info on the framebuffer itself */
1104 if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &fix_info ) == 0 )
1106 p_sys->i_width = p_sys->fmt_out.i_width = p_sys->var_info.xres;
1107 p_sys->i_height = p_sys->fmt_out.i_height = p_sys->var_info.yres;
1110 /* FIXME: if the image is full-size, it gets cropped on the left
1111 * because of the xres / xres_virtual slight difference */
1112 msg_Dbg( p_intf, "%ix%i (virtual %ix%i)",
1113 p_sys->var_info.xres, p_sys->var_info.yres,
1114 p_sys->var_info.xres_virtual,
1115 p_sys->var_info.yres_virtual );
1117 p_sys->fmt_out.i_width = p_sys->i_width;
1118 p_sys->fmt_out.i_height = p_sys->i_height;
1120 p_sys->p_palette = NULL;
1121 p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
1123 switch( p_sys->var_info.bits_per_pixel )
1126 p_sys->p_palette = malloc( 8 * 256 * sizeof( uint16_t ) );
1127 if( !p_sys->p_palette )
1129 close( p_sys->i_fd );
1132 p_sys->fb_cmap.start = 0;
1133 p_sys->fb_cmap.len = 256;
1134 p_sys->fb_cmap.red = p_sys->p_palette;
1135 p_sys->fb_cmap.green = p_sys->p_palette + 256 * sizeof( uint16_t );
1136 p_sys->fb_cmap.blue = p_sys->p_palette + 2 * 256 * sizeof( uint16_t );
1137 p_sys->fb_cmap.transp = p_sys->p_palette + 3 * 256 * sizeof( uint16_t );
1139 /* Save the colormap */
1140 ioctl( p_sys->i_fd, FBIOGETCMAP, &p_sys->fb_cmap );
1142 p_sys->i_bytes_per_pixel = 1;
1147 p_sys->i_bytes_per_pixel = 2;
1151 p_sys->i_bytes_per_pixel = 3;
1155 p_sys->i_bytes_per_pixel = 4;
1159 msg_Err( p_intf, "screen depth %d is not supported",
1160 p_sys->var_info.bits_per_pixel );
1162 close( p_sys->i_fd );
1163 return VLC_EGENERIC;
1166 p_sys->i_page_size = p_sys->i_width * p_sys->i_height
1167 * p_sys->i_bytes_per_pixel;
1169 msg_Dbg( p_intf, "framebuffer type=%d, visual=%d, ypanstep=%d, "
1170 "ywrap=%d, accel=%d", fix_info.type, fix_info.visual,
1171 fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
1175 /*****************************************************************************
1176 * CloseDisplay: terminate FB interface thread
1177 *****************************************************************************/
1178 static void CloseDisplay( intf_thread_t *p_intf )
1180 intf_sys_t *p_sys = (intf_sys_t *) p_intf;
1182 /* Restore palette */
1183 if( p_sys->var_info.bits_per_pixel == 8 )
1185 ioctl( p_sys->i_fd, FBIOPUTCMAP, &p_sys->fb_cmap );
1186 free( p_sys->p_palette );
1187 p_sys->p_palette = NULL;
1191 close( p_sys->i_fd );
1194 static void Render( intf_thread_t *p_intf, struct fbosd_render_t *render )
1196 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1198 if( render->i_state != FBOSD_STATE_RENDER ) return;
1199 if( !render->psz_string ) return;
1201 if( render->i_type == FBOSD_RENDER_IMAGE )
1204 p_pic = LoadImage( p_intf, &p_sys->fmt_out, render->psz_string );
1207 RenderPicture( p_intf, render->i_x, render->i_y,
1208 p_pic, p_sys->p_overlay );
1209 p_pic->pf_release( p_pic );
1212 else if( render->i_type == FBOSD_RENDER_TEXT )
1215 #if defined(FBOSD_BLENDING)
1216 video_format_t fmt_in;
1217 memset( &fmt_in, 0, sizeof(video_format_t) );
1218 p_text = RenderText( p_intf, render->psz_string, &render->text_style,
1222 BlendPicture( p_intf, &fmt_in, &p_sys->fmt_out,
1223 p_text, p_sys->p_overlay );
1224 msg_Dbg( p_intf, "releasing picture" );
1225 DeAllocatePicture( VLC_OBJECT( p_intf ), p_text, &fmt_in );
1228 p_text = RenderText( p_intf, render->psz_string, &render->text_style,
1232 RenderPicture( p_intf, render->i_x, render->i_y,
1233 p_text, p_sys->p_overlay );
1234 p_text->pf_release( p_text );
1240 static void RenderClear( intf_thread_t *p_intf, struct fbosd_render_t *render )
1242 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1244 vlc_memcpy( &render->text_style, &default_text_style,
1245 sizeof( text_style_t ) );
1246 free( render->psz_string );
1247 render->psz_string = NULL;
1249 render->i_x = p_sys->i_x;
1250 render->i_y = p_sys->i_y;
1251 render->i_pos = p_sys->i_pos;
1252 render->i_alpha = p_sys->i_alpha;
1253 render->b_absolute = p_sys->b_absolute;
1254 render->i_state = FBOSD_STATE_FREE;
1257 static bool isRendererReady( intf_thread_t *p_intf )
1259 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1262 /* Check if there are more items to render */
1263 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1265 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1271 /*****************************************************************************
1273 *****************************************************************************
1274 * This part of the interface is in a separate thread so that we can call
1275 * exec() from within it without annoying the rest of the program.
1276 *****************************************************************************/
1277 static void Run( intf_thread_t *p_intf )
1279 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1281 while( !intf_ShouldDie( p_intf ) )
1285 /* Is there somthing to render? */
1286 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1288 if( p_sys->render[i].i_state == FBOSD_STATE_RENDER )
1290 Render( p_intf, &p_sys->render[i] );
1291 RenderClear( p_intf, &p_sys->render[i] );
1295 if( p_sys->b_clear )
1297 SetOverlayTransparency( p_intf, true );
1299 var_SetString( p_intf, "fbosd-image", "" );
1300 var_SetString( p_intf, "fbosd-text", "" );
1302 p_sys->b_clear = false;
1303 p_sys->b_need_update = true;
1306 if( p_sys->b_need_update && p_sys->p_overlay &&
1307 isRendererReady( p_intf ) )
1310 #if defined(FBOSD_BLENDING)
1311 /* Reverse alpha channel to work around FPGA bug */
1312 InvertAlpha( p_intf, &p_sys->p_overlay, p_sys->fmt_out );
1314 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
1315 p_sys->i_page_size );
1317 msg_Err( p_intf, "unable to write to overlay" );
1318 lseek( p_sys->i_fd, 0, SEEK_SET );
1320 /* clear the picture */
1321 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, p_sys->i_page_size );
1322 p_sys->b_need_update = false;
1325 if( vlc_CPU() & CPU_CAPABILITY_FPU )
1326 msleep( INTF_IDLE_SLEEP );
1334 static int OverlayCallback( vlc_object_t *p_this, char const *psz_cmd,
1335 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1337 intf_thread_t *p_intf = (intf_thread_t *) p_this;
1338 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1339 VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1341 if( !strncmp( psz_cmd, "fbosd-display", 13 ) )
1343 p_sys->b_need_update = true;
1345 else if( !strncmp( psz_cmd, "fbosd-clear", 11 ) )
1348 /* Clear the entire render list */
1349 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1351 RenderClear( p_intf, &p_sys->render[i] );
1353 p_sys->b_clear = true;
1355 else if( !strncmp( psz_cmd, "fbosd-render", 12 ) )
1358 /* Are we already busy with on slot ? */
1359 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1361 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1363 p_sys->render[i].i_state = FBOSD_STATE_RENDER;
1371 /* Are we already busy with on slot ? */
1372 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1374 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1377 /* No, then find first FREE slot */
1378 if( p_sys->render[i].i_state != FBOSD_STATE_RESERVED )
1380 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1382 if( p_sys->render[i].i_state == FBOSD_STATE_FREE )
1385 if( p_sys->render[i].i_state != FBOSD_STATE_FREE )
1387 msg_Warn( p_this, "render space depleated" );
1391 /* Found a free slot */
1392 p_sys->render[i].i_state = FBOSD_STATE_RESERVED;
1393 if( !strncmp( psz_cmd, "fbosd-image", 11 ) )
1395 free( p_sys->render[i].psz_string );
1396 p_sys->render[i].psz_string = strdup( newval.psz_string );
1397 p_sys->render[i].i_type = FBOSD_RENDER_IMAGE;
1399 else if( !strncmp( psz_cmd, "fbosd-text", 10 ) )
1401 free( p_sys->render[i].psz_string );
1402 p_sys->render[i].psz_string = strdup( newval.psz_string );
1403 p_sys->render[i].i_type = FBOSD_RENDER_TEXT;
1405 else if( !strncmp( psz_cmd, "fbosd-x", 7 ) )
1407 p_sys->render[i].b_absolute = false;
1408 p_sys->render[i].i_x = (newval.i_int < p_sys->i_width) ?
1409 newval.i_int : p_sys->i_width;
1411 else if( !strncmp( psz_cmd, "fbosd-y", 7 ) )
1413 p_sys->render[i].b_absolute = false;
1414 p_sys->render[i].i_y = (newval.i_int < p_sys->i_height) ?
1415 newval.i_int : p_sys->i_height;
1417 else if( !strncmp( psz_cmd, "fbosd-position", 14 ) )
1419 p_sys->render[i].b_absolute = true;
1420 p_sys->render[i].i_pos = newval.i_int;
1422 else if( !strncmp( psz_cmd, "fbosd-font-size", 15 ) )
1424 p_sys->render[i].text_style.i_font_size = newval.i_int;
1426 else if( !strncmp( psz_cmd, "fbosd-font-color", 16 ) )
1428 p_sys->render[i].text_style.i_font_color = newval.i_int;
1430 else if( !strncmp( psz_cmd, "fbosd-font-opacity", 18 ) )
1432 p_sys->render[i].text_style.i_font_alpha = 255 - newval.i_int;
1434 #if defined(FBOSD_BLENDING)
1435 else if( !strncmp( psz_cmd, "fbosd-alpha", 11 ) )
1437 p_sys->render[i].i_alpha = newval.i_int;