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 *****************************************************************************/
32 #include <vlc_common.h>
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 const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
163 static const char *const 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 const int pi_color_values[] = {
168 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
169 0x00FFFFFF, 0x00800000, 0x00FF0000, 0x00FF00FF, 0x00FFFF00,
170 0x00808000, 0x00008000, 0x00008080, 0x0000FF00, 0x00800080,
171 0x00000080, 0x000000FF, 0x0000FFFF};
172 static const char *const ppsz_color_descriptions[] = {
173 N_("Default"), N_("Black"),
174 N_("Gray"), N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
175 N_("Fuchsia"), N_("Yellow"), N_("Olive"), N_("Green"),
176 N_("Teal"), N_("Lime"), N_("Purple"), N_("Navy"), N_("Blue"),
180 set_shortname( "fbosd" );
181 set_category( CAT_INTERFACE );
182 set_subcategory( SUBCAT_INTERFACE_MAIN );
184 add_file( "fbosd-dev", "/dev/fb1", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
186 add_string( "fbosd-aspect-ratio", "", NULL, ASPECT_RATIO_TEXT,
187 ASPECT_RATIO_LONGTEXT, true );
189 add_string( "fbosd-image", NULL, NULL, FBOSD_IMAGE_TEXT,
190 FBOSD_IMAGE_LONGTEXT, true );
191 add_string( "fbosd-text", NULL, NULL, FBOSD_TEXT,
192 FBOSD_LONGTEXT, true );
194 add_integer_with_range( "fbosd-alpha", 255, 0, 255, NULL, ALPHA_TEXT,
195 ALPHA_LONGTEXT, true );
197 set_section( N_("Position"), NULL );
198 add_integer( "fbosd-x", 0, NULL, POSX_TEXT,
199 POSX_LONGTEXT, false );
200 add_integer( "fbosd-y", 0, NULL, POSY_TEXT,
201 POSY_LONGTEXT, false );
202 add_integer( "fbosd-position", 8, NULL, POS_TEXT, POS_LONGTEXT, true );
203 change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL );
205 set_section( N_("Font"), NULL );
206 add_integer_with_range( "fbosd-font-opacity", 255, 0, 255, NULL,
207 OPACITY_TEXT, OPACITY_LONGTEXT, false );
208 add_integer( "fbosd-font-color", 0x00FFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
210 change_integer_list( pi_color_values, ppsz_color_descriptions, NULL );
211 add_integer( "fbosd-font-size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT,
214 set_section( N_("Commands"), NULL );
215 add_bool( "fbosd-clear", false, NULL, CLEAR_TEXT, CLEAR_LONGTEXT, true );
216 add_bool( "fbosd-render", false, NULL, RENDER_TEXT, RENDER_LONGTEXT, true );
217 add_bool( "fbosd-display", false, NULL, DISPLAY_TEXT, DISPLAY_LONGTEXT, true );
219 set_description( N_("GNU/Linux osd/overlay framebuffer interface") );
220 set_capability( "interface", 10 );
221 set_callbacks( Create, Destroy );
224 /*****************************************************************************
225 * fbosd_render_t: render descriptor
226 *****************************************************************************/
227 struct fbosd_render_t
229 #define FBOSD_RENDER_IMAGE 0
230 #define FBOSD_RENDER_TEXT 1
233 #define FBOSD_STATE_FREE 0
234 #define FBOSD_STATE_RESERVED 1
235 #define FBOSD_STATE_RENDER 2
239 text_style_t text_style; /* font control */
247 int i_alpha; /* transparency for images */
249 #define FBOSD_RENDER_MAX 10
251 /*****************************************************************************
252 * intf_sys_t: interface framebuffer method descriptor
253 *****************************************************************************/
256 /* Framebuffer information */
257 int i_fd; /* device handle */
258 struct fb_var_screeninfo var_info; /* current mode information */
259 bool b_pan; /* does device supports panning ? */
260 struct fb_cmap fb_cmap; /* original colormap */
261 uint16_t *p_palette; /* original palette */
263 /* Overlay framebuffer format */
264 video_format_t fmt_out;
265 picture_t *p_overlay;
266 size_t i_page_size; /* page size */
270 int i_bytes_per_pixel;
272 /* Image and Picture rendering */
273 image_handler_t *p_image;
274 #if defined(FBOSD_BLENDING)
275 filter_t *p_blend; /* alpha blending module */
277 filter_t *p_text; /* text renderer module */
280 struct fbosd_render_t render[FBOSD_RENDER_MAX];
283 text_style_t *p_style; /* font control */
291 int i_alpha; /* transparency for images */
293 /* commands control */
294 bool b_need_update; /* update display with \overlay buffer */
295 bool b_clear; /* clear overlay buffer make it tranparent */
296 bool b_render; /* render an image or text in overlay buffer */
299 /*****************************************************************************
300 * Create: allocates FB interface thread output method
301 *****************************************************************************/
302 static int Create( vlc_object_t *p_this )
304 intf_thread_t *p_intf = (intf_thread_t *)p_this;
310 /* Allocate instance and initialize some members */
311 p_intf->p_sys = p_sys = malloc( sizeof( intf_sys_t ) );
314 memset( p_sys, 0, sizeof(intf_sys_t) );
316 p_sys->p_style = malloc( sizeof( text_style_t ) );
317 if( !p_sys->p_style )
319 free( p_intf->p_sys );
322 vlc_memcpy( p_sys->p_style, &default_text_style, sizeof( text_style_t ) );
324 p_intf->pf_run = Run;
326 p_sys->p_image = image_HandlerCreate( p_this );
327 if( !p_sys->p_image )
329 free( p_intf->p_sys->p_style );
330 free( p_intf->p_sys );
334 p_sys->i_alpha = var_CreateGetIntegerCommand( p_intf, "fbosd-alpha" );
335 var_AddCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
337 p_sys->i_aspect = -1;
339 var_CreateGetNonEmptyString( p_intf, "fbosd-aspect-ratio" );
342 char *psz_parser = strchr( psz_aspect, ':' );
346 *psz_parser++ = '\0';
347 p_sys->i_aspect = ( atoi( psz_aspect )
348 * VOUT_ASPECT_FACTOR ) / atoi( psz_parser );
349 p_sys->fmt_out.i_aspect = p_sys->i_aspect;
351 msg_Dbg( p_intf, "using aspect ratio %d:%d",
352 atoi( psz_aspect ), atoi( psz_parser ) );
358 /* Use PAL by default */
359 p_sys->i_width = p_sys->fmt_out.i_width = 704;
360 p_sys->i_height = p_sys->fmt_out.i_height = 576;
362 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-image" );
363 var_AddCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
364 if( psz_tmp && *psz_tmp )
366 p_sys->render[0].i_type = FBOSD_RENDER_IMAGE;
367 p_sys->render[0].i_state = FBOSD_STATE_RENDER;
368 p_sys->render[0].psz_string = strdup( psz_tmp );
372 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-text" );
373 var_AddCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
374 if( psz_tmp && *psz_tmp )
376 p_sys->render[1].i_type = FBOSD_RENDER_TEXT;
377 p_sys->render[1].i_state = FBOSD_STATE_RENDER;
378 p_sys->render[1].psz_string = strdup( psz_tmp );
382 p_sys->i_pos = var_CreateGetIntegerCommand( p_intf, "fbosd-position" );
383 p_sys->i_x = var_CreateGetIntegerCommand( p_intf, "fbosd-x" );
384 p_sys->i_y = var_CreateGetIntegerCommand( p_intf, "fbosd-y" );
386 var_AddCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
387 var_AddCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
388 var_AddCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
390 p_sys->p_style->i_font_size =
391 var_CreateGetIntegerCommand( p_intf, "fbosd-font-size" );
392 p_sys->p_style->i_font_color =
393 var_CreateGetIntegerCommand( p_intf, "fbosd-font-color" );
394 p_sys->p_style->i_font_alpha = 255 -
395 var_CreateGetIntegerCommand( p_intf, "fbosd-font-opacity" );
397 var_AddCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
398 var_AddCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
399 var_AddCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
401 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
403 vlc_memcpy( &p_sys->render[i].text_style, &default_text_style,
404 sizeof( text_style_t ) );
407 p_sys->b_clear = var_CreateGetBoolCommand( p_intf, "fbosd-clear" );
408 p_sys->b_render = var_CreateGetBoolCommand( p_intf, "fbosd-render" );
409 p_sys->b_need_update = var_CreateGetBoolCommand( p_intf, "fbosd-display" );
411 var_AddCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
412 var_AddCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
413 var_AddCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
415 /* Check if picture position was overridden */
416 p_sys->b_absolute = true;
417 if( ( p_sys->i_x >= 0 ) && ( p_sys->i_y >= 0 ) )
419 p_sys->b_absolute = false;
420 p_sys->i_y = (p_sys->i_y < p_sys->i_height) ?
421 p_sys->i_y : p_sys->i_height;
422 p_sys->i_x = (p_sys->i_x < p_sys->i_width) ?
423 p_sys->i_x : p_sys->i_width;
426 p_sys->render[0].i_x = p_sys->render[1].i_x = p_sys->i_x;
427 p_sys->render[0].i_y = p_sys->render[1].i_y = p_sys->i_y;
428 p_sys->render[0].i_pos = p_sys->render[1].i_pos = p_sys->i_pos;
429 p_sys->render[0].i_alpha = p_sys->render[1].i_alpha = p_sys->i_alpha;
431 /* Initialize framebuffer */
432 if( OpenDisplay( p_intf ) )
434 Destroy( VLC_OBJECT(p_intf) );
440 #if defined(FBOSD_BLENDING)
441 /* Load the blending module */
442 if( OpenBlending( p_intf ) )
444 msg_Err( p_intf, "Unable to load image blending module" );
445 Destroy( VLC_OBJECT(p_intf) );
450 /* Load text renderer module */
451 if( OpenTextRenderer( p_intf ) )
453 msg_Err( p_intf, "Unable to load text rendering module" );
454 Destroy( VLC_OBJECT(p_intf) );
458 p_sys->b_render = true;
459 p_sys->b_need_update = true;
464 /*****************************************************************************
465 * Destroy: destroy FB interface thread output method
466 *****************************************************************************
467 * Terminate an output method created by Create
468 *****************************************************************************/
469 static void Destroy( vlc_object_t *p_this )
471 intf_thread_t *p_intf = (intf_thread_t *)p_this;
472 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
475 p_sys->b_need_update = false;
476 p_sys->b_render = false;
477 p_sys->b_clear = false;
479 var_DelCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
480 var_Destroy( p_intf, "fbosd-alpha" );
482 var_DelCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
483 var_DelCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
484 var_DelCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
485 var_DelCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
486 var_DelCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
487 var_DelCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
488 var_DelCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
489 var_DelCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
490 var_DelCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
491 var_DelCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
492 var_DelCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
494 var_Destroy( p_intf, "fbosd-x" );
495 var_Destroy( p_intf, "fbosd-y" );
496 var_Destroy( p_intf, "fbosd-position" );
497 var_Destroy( p_intf, "fbosd-image" );
498 var_Destroy( p_intf, "fbosd-text" );
499 var_Destroy( p_intf, "fbosd-font-size" );
500 var_Destroy( p_intf, "fbosd-font-color" );
501 var_Destroy( p_intf, "fbosd-font-opacity" );
502 var_Destroy( p_intf, "fbosd-clear" );
503 var_Destroy( p_intf, "fbosd-render" );
504 var_Destroy( p_intf, "fbosd-display" );
506 var_Destroy( p_intf, "fbosd-aspect-ratio" );
508 CloseDisplay( p_intf );
510 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
512 free( p_sys->render[i].psz_string );
513 p_sys->render[i].i_state = FBOSD_STATE_FREE;
516 #if defined(FBOSD_BLENDING)
517 if( p_sys->p_blend ) CloseBlending( p_intf );
519 if( p_sys->p_text ) CloseTextRenderer( p_intf );
522 image_HandlerDelete( p_sys->p_image );
523 if( p_sys->p_overlay )
524 picture_Release( p_sys->p_overlay );
526 free( p_sys->p_style );
530 #if defined(FBOSD_BLENDING)
531 static int OpenBlending( intf_thread_t *p_intf )
533 if( p_intf->p_sys->p_blend ) return VLC_EGENERIC;
535 p_intf->p_sys->p_blend =
536 vlc_object_create( p_intf, sizeof(filter_t) );
537 vlc_object_attach( p_intf->p_sys->p_blend, p_intf );
538 p_intf->p_sys->p_blend->fmt_out.video.i_x_offset =
539 p_intf->p_sys->p_blend->fmt_out.video.i_y_offset = 0;
540 p_intf->p_sys->p_blend->fmt_out.video.i_aspect =
541 p_intf->p_sys->fmt_out.i_aspect;
542 p_intf->p_sys->p_blend->fmt_out.video.i_chroma =
543 p_intf->p_sys->fmt_out.i_chroma;
544 if( config_GetInt( p_intf, "freetype-yuvp" ) )
545 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
546 VLC_FOURCC('Y','U','V','P');
548 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
549 VLC_FOURCC('Y','U','V','A');
551 p_intf->p_sys->p_blend->p_module =
552 module_Need( p_intf->p_sys->p_blend, "video blending", 0, 0 );
554 if( !p_intf->p_sys->p_blend->p_module )
560 static void CloseBlending( intf_thread_t *p_intf )
562 if( p_intf->p_sys->p_blend )
564 if( p_intf->p_sys->p_blend->p_module )
565 module_Unneed( p_intf->p_sys->p_blend,
566 p_intf->p_sys->p_blend->p_module );
568 vlc_object_detach( p_intf->p_sys->p_blend );
569 vlc_object_release( p_intf->p_sys->p_blend );
574 static int OpenTextRenderer( intf_thread_t *p_intf )
576 char *psz_modulename = NULL;
578 if( p_intf->p_sys->p_text ) return VLC_EGENERIC;
580 p_intf->p_sys->p_text =
581 vlc_object_create( p_intf, sizeof(filter_t) );
582 vlc_object_attach( p_intf->p_sys->p_text, p_intf );
584 p_intf->p_sys->p_text->fmt_out.video.i_width =
585 p_intf->p_sys->p_text->fmt_out.video.i_visible_width =
586 p_intf->p_sys->i_width;
587 p_intf->p_sys->p_text->fmt_out.video.i_height =
588 p_intf->p_sys->p_text->fmt_out.video.i_visible_height =
589 p_intf->p_sys->i_height;
591 psz_modulename = var_CreateGetString( p_intf, "text-renderer" );
592 if( psz_modulename && *psz_modulename )
594 p_intf->p_sys->p_text->p_module =
595 module_Need( p_intf->p_sys->p_text, "text renderer",
596 psz_modulename, true );
598 if( !p_intf->p_sys->p_text->p_module )
600 p_intf->p_sys->p_text->p_module =
601 module_Need( p_intf->p_sys->p_text, "text renderer", 0, 0 );
603 free( psz_modulename );
605 if( !p_intf->p_sys->p_text->p_module )
611 static void CloseTextRenderer( intf_thread_t *p_intf )
613 if( p_intf->p_sys->p_text )
615 if( p_intf->p_sys->p_text->p_module )
616 module_Unneed( p_intf->p_sys->p_text,
617 p_intf->p_sys->p_text->p_module );
619 vlc_object_detach( p_intf->p_sys->p_text );
620 vlc_object_release( p_intf->p_sys->p_text );
624 /*****************************************************************************
626 * allocate a picture buffer for use with the overlay fb.
627 *****************************************************************************/
628 static picture_t *AllocatePicture( vlc_object_t *p_this,
629 video_format_t *p_fmt )
631 picture_t *p_picture = picture_New( p_fmt->i_chroma,
632 p_fmt->i_width, p_fmt->i_height,
637 if( !p_fmt->p_palette &&
638 ( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') ) )
640 p_fmt->p_palette = malloc( sizeof(video_palette_t) );
641 if( !p_fmt->p_palette )
643 picture_Release( p_picture );
649 p_fmt->p_palette = NULL;
655 /*****************************************************************************
657 * Deallocate a picture buffer and free all associated memory.
658 *****************************************************************************/
659 static void DeAllocatePicture( vlc_object_t *p_this, picture_t *p_pic,
660 video_format_t *p_fmt )
666 free( p_fmt->p_palette );
667 p_fmt->p_palette = NULL;
671 picture_Release( p_pic );
674 /*****************************************************************************
675 * SetOverlayTransparency: Set the transparency for this overlay fb,
676 * - true is make transparent
677 * - false is make non tranparent
678 *****************************************************************************/
679 static void SetOverlayTransparency( intf_thread_t *p_intf,
682 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
683 size_t i_size = p_sys->fmt_out.i_width * p_sys->fmt_out.i_height
684 * p_sys->i_bytes_per_pixel;
685 size_t i_page_size = (p_sys->i_page_size > i_size) ?
686 i_size : p_sys->i_page_size;
688 if( p_sys->p_overlay )
690 msg_Dbg( p_intf, "Make overlay %s",
691 b_transparent ? "transparent" : "opaque" );
693 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, i_page_size );
695 memset( p_sys->p_overlay->p[0].p_pixels, 0x00, i_page_size );
699 #if defined(FBOSD_BLENDING)
700 /*****************************************************************************
701 * BlendPicture: Blend two pictures together..
702 *****************************************************************************/
703 static int BlendPicture( intf_thread_t *p_intf, video_format_t *p_fmt_src,
704 video_format_t *p_fmt_dst, picture_t *p_pic_src,
705 picture_t *p_pic_dst )
707 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
708 if( p_sys->p_blend && p_sys->p_blend->p_module )
710 int i_x_offset = p_sys->i_x;
711 int i_y_offset = p_sys->i_y;
713 memcpy( &p_sys->p_blend->fmt_in.video, p_fmt_src, sizeof( video_format_t ) );
715 /* Update the output picture size */
716 p_sys->p_blend->fmt_out.video.i_width =
717 p_sys->p_blend->fmt_out.video.i_visible_width =
719 p_sys->p_blend->fmt_out.video.i_height =
720 p_sys->p_blend->fmt_out.video.i_visible_height =
723 i_x_offset = __MAX( i_x_offset, 0 );
724 i_y_offset = __MAX( i_y_offset, 0 );
726 p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_pic_dst,
727 p_pic_src, p_pic_dst, i_x_offset, i_y_offset,
735 static int InvertAlpha( intf_thread_t *p_intf, picture_t **p_pic, video_format_t fmt )
737 uint8_t *p_begin = NULL, *p_end = NULL;
740 if( *p_pic && ((*p_pic)->i_planes != 1) )
743 "cannot invert alpha channel too many planes %d (only 1 supported)",
744 (*p_pic)->i_planes );
748 switch( fmt.i_chroma )
750 case VLC_FOURCC('R','V','2','4'):
751 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
752 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
753 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
756 case VLC_FOURCC('R','V','3','2'):
757 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
758 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
759 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
763 msg_Err( p_intf, "cannot invert alpha channel chroma not supported %4.4s",
764 (char *)&fmt.i_chroma );
768 for( ; p_begin < p_end; p_begin += i_skip )
770 uint8_t i_opacity = 0;
772 if( *p_begin != 0xFF )
773 i_opacity = 255 - *p_begin;
774 *p_begin = i_opacity;
781 /*****************************************************************************
782 * RenderPicture: Render the picture into the p_dest buffer.
783 * We don't take transparent pixels into account, so we don't have to blend
784 * the two images together.
785 *****************************************************************************/
786 static int RenderPicture( intf_thread_t *p_intf, int i_x_offset, int i_y_offset,
787 picture_t *p_src, picture_t *p_dest )
790 VLC_UNUSED( p_intf );
792 if( !p_dest && !p_src ) return VLC_EGENERIC;
794 for( i = 0; i < p_src->i_planes ; i++ )
796 if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
798 /* There are margins, but with the same width : perfect ! */
799 vlc_memcpy( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
800 p_src->p[i].i_pitch * p_src->p[i].i_visible_lines );
804 /* We need to proceed line by line */
805 uint8_t *p_in = p_src->p[i].p_pixels;
806 uint8_t *p_out = p_dest->p[i].p_pixels;
808 int i_x = i_x_offset * p_src->p[i].i_pixel_pitch;
809 int i_x_clip, i_y_clip;
811 /* Check boundaries, clip the image if necessary */
812 i_x_clip = ( i_x + p_src->p[i].i_visible_pitch ) - p_dest->p[i].i_visible_pitch;
813 i_x_clip = ( i_x_clip > 0 ) ? i_x_clip : 0;
815 i_y_clip = ( i_y_offset + p_src->p[i].i_visible_lines ) - p_dest->p[i].i_visible_lines;
816 i_y_clip = ( i_y_clip > 0 ) ? i_y_clip : 0;
817 #if defined(FBOSD_DEBUG)
818 msg_Dbg( p_intf, "i_pitch (%d,%d), (%d,%d)/(%d,%d)",
819 p_dest->p[i].i_visible_pitch, p_src->p[i].i_visible_pitch,
820 i_x_offset, i_y_offset, i_x, i_x_clip );
822 if( ( i_y_offset <= p_dest->p[i].i_visible_lines ) &&
823 ( i_x <= p_dest->p[i].i_visible_pitch ) )
827 p_out += ( i_y_offset * p_dest->p[i].i_pitch );
828 for( i_line = 0; i_line < ( p_src->p[i].i_visible_lines - i_y_clip ); i_line++ )
830 vlc_memcpy( p_out + i_x, p_in,
831 p_src->p[i].i_visible_pitch - i_x_clip );
832 p_in += p_src->p[i].i_pitch;
833 p_out += p_dest->p[i].i_pitch;
841 /*****************************************************************************
842 * RenderText - Render text to the desired picture format
843 *****************************************************************************/
844 static picture_t *RenderText( intf_thread_t *p_intf, const char *psz_string,
845 text_style_t *p_style, video_format_t *p_fmt )
847 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
848 subpicture_region_t *p_region;
849 picture_t *p_dest = NULL;
851 if( !psz_string ) return p_dest;
853 if( p_sys->p_text && p_sys->p_text->p_module )
855 p_region = (subpicture_region_t *) malloc( sizeof(subpicture_region_t) );
859 memset( p_region, 0, sizeof(subpicture_region_t) );
861 p_region->psz_text = strdup( psz_string );
862 if( !p_region->psz_text )
867 p_region->p_style = p_style;
869 p_region->fmt.i_chroma = VLC_FOURCC('T','E','X','T');
870 p_region->fmt.i_aspect = 0;
871 p_region->fmt.i_width = p_region->fmt.i_visible_width = 0;
872 p_region->fmt.i_height = p_region->fmt.i_visible_height = 0;
873 p_region->fmt.i_x_offset = 0;
874 p_region->fmt.i_y_offset = 0;
876 p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
878 if( p_sys->p_text->pf_render_text )
880 video_format_t fmt_out;
882 memset( &fmt_out, 0, sizeof(video_format_t) );
884 p_sys->p_text->pf_render_text( p_sys->p_text,
885 p_region, p_region );
887 #if defined(FBOSD_BLENDING)
888 fmt_out = p_region->fmt;
889 fmt_out.i_bits_per_pixel = 32;
890 vlc_memcpy( p_fmt, &fmt_out, sizeof(video_format_t) );
892 p_dest = AllocatePicture( VLC_OBJECT(p_intf), &fmt_out );
895 if( p_region->picture.pf_release )
896 p_region->picture.pf_release( &p_region->picture );
897 free( p_region->psz_text );
901 vout_CopyPicture( VLC_OBJECT(p_intf), p_dest, &p_region->picture );
903 fmt_out.i_chroma = p_fmt->i_chroma;
904 p_dest = ConvertImage( p_intf, &p_region->picture,
905 &p_region->fmt, &fmt_out );
907 if( p_region->picture.pf_release )
908 p_region->picture.pf_release( &p_region->picture );
909 free( p_region->psz_text );
913 free( p_region->psz_text );
919 /*****************************************************************************
920 * LoadImage: Load an image from file into a picture buffer.
921 *****************************************************************************/
922 static picture_t *LoadImage( intf_thread_t *p_intf, video_format_t *p_fmt,
925 picture_t *p_pic = NULL;
927 if( psz_file && p_intf->p_sys->p_image )
929 video_format_t fmt_in, fmt_out;
931 memset( &fmt_in, 0, sizeof(fmt_in) );
932 memset( &fmt_out, 0, sizeof(fmt_out) );
934 fmt_out.i_chroma = p_fmt->i_chroma;
935 p_pic = image_ReadUrl( p_intf->p_sys->p_image, psz_file,
938 msg_Dbg( p_intf, "image size %dx%d chroma %4.4s",
939 fmt_out.i_width, fmt_out.i_height,
940 (char *)&p_fmt->i_chroma );
945 #if ! defined(FBOSD_BLENDING)
946 /*****************************************************************************
947 * Convertmage: Convert image to another fourcc
948 *****************************************************************************/
949 static picture_t *ConvertImage( intf_thread_t *p_intf, picture_t *p_pic,
950 video_format_t *p_fmt_in, video_format_t *p_fmt_out )
952 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
953 picture_t *p_old = NULL;
957 p_old = image_Convert( p_sys->p_image, p_pic, p_fmt_in, p_fmt_out );
959 msg_Dbg( p_intf, "converted image size %dx%d chroma %4.4s",
960 p_fmt_out->i_width, p_fmt_out->i_height,
961 (char *)&p_fmt_out->i_chroma );
967 /*****************************************************************************
968 * Init: initialize framebuffer video thread output method
969 *****************************************************************************/
970 static int Init( intf_thread_t *p_intf )
972 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
974 /* Initialize the output structure: RGB with square pixels, whatever
975 * the input format is, since it's the only format we know */
976 switch( p_sys->var_info.bits_per_pixel )
978 case 8: /* FIXME: set the palette */
979 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','G','B','2'); break;
981 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','5'); break;
983 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','6'); break;
985 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','2','4'); break;
987 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','3','2'); break;
989 msg_Err( p_intf, "unknown screen depth %i",
990 p_sys->var_info.bits_per_pixel );
994 p_sys->fmt_out.i_bits_per_pixel = p_sys->var_info.bits_per_pixel;
995 p_sys->fmt_out.i_width = p_sys->i_width;
996 p_sys->fmt_out.i_height = p_sys->i_height;
998 /* Assume we have square pixels */
999 if( p_sys->i_aspect < 0 )
1001 p_sys->fmt_out.i_aspect = ( p_sys->i_width
1002 * VOUT_ASPECT_FACTOR ) / p_sys->i_height;
1004 else p_sys->fmt_out.i_aspect = p_sys->i_aspect;
1006 p_sys->fmt_out.i_sar_num = p_sys->fmt_out.i_sar_den = 1;
1008 /* Allocate overlay buffer */
1009 p_sys->p_overlay = AllocatePicture( VLC_OBJECT(p_intf),
1011 if( !p_sys->p_overlay ) return VLC_EGENERIC;
1013 SetOverlayTransparency( p_intf, true );
1015 /* We know the chroma, allocate a buffer which will be used
1016 * to write to the overlay framebuffer */
1017 p_sys->p_overlay->p->i_pixel_pitch = p_sys->i_bytes_per_pixel;
1018 p_sys->p_overlay->p->i_lines = p_sys->var_info.yres;
1019 p_sys->p_overlay->p->i_visible_lines = p_sys->var_info.yres;
1021 if( p_sys->var_info.xres_virtual )
1023 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres_virtual
1024 * p_sys->i_bytes_per_pixel;
1028 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres
1029 * p_sys->i_bytes_per_pixel;
1032 p_sys->p_overlay->p->i_visible_pitch = p_sys->var_info.xres
1033 * p_sys->i_bytes_per_pixel;
1035 p_sys->p_overlay->i_planes = 1;
1040 /*****************************************************************************
1041 * End: terminate framebuffer interface
1042 *****************************************************************************/
1043 static void End( intf_thread_t *p_intf )
1045 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
1048 SetOverlayTransparency( p_intf, false );
1049 if( p_sys->p_overlay )
1052 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
1053 p_sys->i_page_size );
1055 msg_Err( p_intf, "unable to clear overlay" );
1058 DeAllocatePicture( VLC_OBJECT(p_intf), p_intf->p_sys->p_overlay,
1059 &p_intf->p_sys->fmt_out );
1060 p_intf->p_sys->p_overlay = NULL;
1063 /*****************************************************************************
1064 * OpenDisplay: initialize framebuffer
1065 *****************************************************************************/
1066 static int OpenDisplay( intf_thread_t *p_intf )
1068 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
1069 char *psz_device; /* framebuffer device path */
1070 struct fb_fix_screeninfo fix_info; /* framebuffer fix information */
1072 /* Open framebuffer device */
1073 if( !(psz_device = config_GetPsz( p_intf, "fbosd-dev" )) )
1075 msg_Err( p_intf, "don't know which fb osd/overlay device to open" );
1076 return VLC_EGENERIC;
1079 p_sys->i_fd = open( psz_device, O_RDWR );
1080 if( p_sys->i_fd == -1 )
1082 msg_Err( p_intf, "cannot open %s (%s)", psz_device, strerror(errno) );
1084 return VLC_EGENERIC;
1088 /* Get framebuffer device information */
1089 if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->var_info ) )
1091 msg_Err( p_intf, "cannot get fb info (%s)", strerror(errno) );
1092 close( p_sys->i_fd );
1093 return VLC_EGENERIC;
1096 /* Get some info on the framebuffer itself */
1097 if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &fix_info ) == 0 )
1099 p_sys->i_width = p_sys->fmt_out.i_width = p_sys->var_info.xres;
1100 p_sys->i_height = p_sys->fmt_out.i_height = p_sys->var_info.yres;
1103 /* FIXME: if the image is full-size, it gets cropped on the left
1104 * because of the xres / xres_virtual slight difference */
1105 msg_Dbg( p_intf, "%ix%i (virtual %ix%i)",
1106 p_sys->var_info.xres, p_sys->var_info.yres,
1107 p_sys->var_info.xres_virtual,
1108 p_sys->var_info.yres_virtual );
1110 p_sys->fmt_out.i_width = p_sys->i_width;
1111 p_sys->fmt_out.i_height = p_sys->i_height;
1113 p_sys->p_palette = NULL;
1114 p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
1116 switch( p_sys->var_info.bits_per_pixel )
1119 p_sys->p_palette = malloc( 8 * 256 * sizeof( uint16_t ) );
1120 if( !p_sys->p_palette )
1122 close( p_sys->i_fd );
1125 p_sys->fb_cmap.start = 0;
1126 p_sys->fb_cmap.len = 256;
1127 p_sys->fb_cmap.red = p_sys->p_palette;
1128 p_sys->fb_cmap.green = p_sys->p_palette + 256 * sizeof( uint16_t );
1129 p_sys->fb_cmap.blue = p_sys->p_palette + 2 * 256 * sizeof( uint16_t );
1130 p_sys->fb_cmap.transp = p_sys->p_palette + 3 * 256 * sizeof( uint16_t );
1132 /* Save the colormap */
1133 ioctl( p_sys->i_fd, FBIOGETCMAP, &p_sys->fb_cmap );
1135 p_sys->i_bytes_per_pixel = 1;
1140 p_sys->i_bytes_per_pixel = 2;
1144 p_sys->i_bytes_per_pixel = 3;
1148 p_sys->i_bytes_per_pixel = 4;
1152 msg_Err( p_intf, "screen depth %d is not supported",
1153 p_sys->var_info.bits_per_pixel );
1155 close( p_sys->i_fd );
1156 return VLC_EGENERIC;
1159 p_sys->i_page_size = p_sys->i_width * p_sys->i_height
1160 * p_sys->i_bytes_per_pixel;
1162 msg_Dbg( p_intf, "framebuffer type=%d, visual=%d, ypanstep=%d, "
1163 "ywrap=%d, accel=%d", fix_info.type, fix_info.visual,
1164 fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
1168 /*****************************************************************************
1169 * CloseDisplay: terminate FB interface thread
1170 *****************************************************************************/
1171 static void CloseDisplay( intf_thread_t *p_intf )
1173 intf_sys_t *p_sys = (intf_sys_t *) p_intf;
1175 /* Restore palette */
1176 if( p_sys->var_info.bits_per_pixel == 8 )
1178 ioctl( p_sys->i_fd, FBIOPUTCMAP, &p_sys->fb_cmap );
1179 free( p_sys->p_palette );
1180 p_sys->p_palette = NULL;
1184 close( p_sys->i_fd );
1187 static void Render( intf_thread_t *p_intf, struct fbosd_render_t *render )
1189 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1191 if( render->i_state != FBOSD_STATE_RENDER ) return;
1192 if( !render->psz_string ) return;
1194 if( render->i_type == FBOSD_RENDER_IMAGE )
1197 p_pic = LoadImage( p_intf, &p_sys->fmt_out, render->psz_string );
1200 RenderPicture( p_intf, render->i_x, render->i_y,
1201 p_pic, p_sys->p_overlay );
1202 picture_Release( p_pic );
1205 else if( render->i_type == FBOSD_RENDER_TEXT )
1208 #if defined(FBOSD_BLENDING)
1209 video_format_t fmt_in;
1210 memset( &fmt_in, 0, sizeof(video_format_t) );
1211 p_text = RenderText( p_intf, render->psz_string, &render->text_style,
1215 BlendPicture( p_intf, &fmt_in, &p_sys->fmt_out,
1216 p_text, p_sys->p_overlay );
1217 msg_Dbg( p_intf, "releasing picture" );
1218 DeAllocatePicture( VLC_OBJECT( p_intf ), p_text, &fmt_in );
1221 p_text = RenderText( p_intf, render->psz_string, &render->text_style,
1225 RenderPicture( p_intf, render->i_x, render->i_y,
1226 p_text, p_sys->p_overlay );
1227 picture_Release( p_text );
1233 static void RenderClear( intf_thread_t *p_intf, struct fbosd_render_t *render )
1235 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1237 vlc_memcpy( &render->text_style, &default_text_style,
1238 sizeof( text_style_t ) );
1239 free( render->psz_string );
1240 render->psz_string = NULL;
1242 render->i_x = p_sys->i_x;
1243 render->i_y = p_sys->i_y;
1244 render->i_pos = p_sys->i_pos;
1245 render->i_alpha = p_sys->i_alpha;
1246 render->b_absolute = p_sys->b_absolute;
1247 render->i_state = FBOSD_STATE_FREE;
1250 static bool isRendererReady( intf_thread_t *p_intf )
1252 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1255 /* Check if there are more items to render */
1256 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1258 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1264 /*****************************************************************************
1266 *****************************************************************************
1267 * This part of the interface is in a separate thread so that we can call
1268 * exec() from within it without annoying the rest of the program.
1269 *****************************************************************************/
1270 static void Run( intf_thread_t *p_intf )
1272 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1273 int canc = vlc_savecancel();
1275 while( !intf_ShouldDie( p_intf ) )
1279 /* Is there somthing to render? */
1280 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1282 if( p_sys->render[i].i_state == FBOSD_STATE_RENDER )
1284 Render( p_intf, &p_sys->render[i] );
1285 RenderClear( p_intf, &p_sys->render[i] );
1289 if( p_sys->b_clear )
1291 SetOverlayTransparency( p_intf, true );
1293 var_SetString( p_intf, "fbosd-image", "" );
1294 var_SetString( p_intf, "fbosd-text", "" );
1296 p_sys->b_clear = false;
1297 p_sys->b_need_update = true;
1300 if( p_sys->b_need_update && p_sys->p_overlay &&
1301 isRendererReady( p_intf ) )
1304 #if defined(FBOSD_BLENDING)
1305 /* Reverse alpha channel to work around FPGA bug */
1306 InvertAlpha( p_intf, &p_sys->p_overlay, p_sys->fmt_out );
1308 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
1309 p_sys->i_page_size );
1311 msg_Err( p_intf, "unable to write to overlay" );
1312 lseek( p_sys->i_fd, 0, SEEK_SET );
1314 /* clear the picture */
1315 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, p_sys->i_page_size );
1316 p_sys->b_need_update = false;
1319 if( vlc_CPU() & CPU_CAPABILITY_FPU )
1320 msleep( INTF_IDLE_SLEEP );
1326 vlc_restorecancel( canc );
1329 static int OverlayCallback( vlc_object_t *p_this, char const *psz_cmd,
1330 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1332 intf_thread_t *p_intf = (intf_thread_t *) p_this;
1333 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1334 VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1336 if( !strncmp( psz_cmd, "fbosd-display", 13 ) )
1338 p_sys->b_need_update = true;
1340 else if( !strncmp( psz_cmd, "fbosd-clear", 11 ) )
1343 /* Clear the entire render list */
1344 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1346 RenderClear( p_intf, &p_sys->render[i] );
1348 p_sys->b_clear = true;
1350 else if( !strncmp( psz_cmd, "fbosd-render", 12 ) )
1353 /* Are we already busy with on slot ? */
1354 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1356 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1358 p_sys->render[i].i_state = FBOSD_STATE_RENDER;
1366 /* Are we already busy with on slot ? */
1367 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1369 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1372 /* No, then find first FREE slot */
1373 if( p_sys->render[i].i_state != FBOSD_STATE_RESERVED )
1375 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1377 if( p_sys->render[i].i_state == FBOSD_STATE_FREE )
1380 if( p_sys->render[i].i_state != FBOSD_STATE_FREE )
1382 msg_Warn( p_this, "render space depleated" );
1386 /* Found a free slot */
1387 p_sys->render[i].i_state = FBOSD_STATE_RESERVED;
1388 if( !strncmp( psz_cmd, "fbosd-image", 11 ) )
1390 free( p_sys->render[i].psz_string );
1391 p_sys->render[i].psz_string = strdup( newval.psz_string );
1392 p_sys->render[i].i_type = FBOSD_RENDER_IMAGE;
1394 else if( !strncmp( psz_cmd, "fbosd-text", 10 ) )
1396 free( p_sys->render[i].psz_string );
1397 p_sys->render[i].psz_string = strdup( newval.psz_string );
1398 p_sys->render[i].i_type = FBOSD_RENDER_TEXT;
1400 else if( !strncmp( psz_cmd, "fbosd-x", 7 ) )
1402 p_sys->render[i].b_absolute = false;
1403 p_sys->render[i].i_x = (newval.i_int < p_sys->i_width) ?
1404 newval.i_int : p_sys->i_width;
1406 else if( !strncmp( psz_cmd, "fbosd-y", 7 ) )
1408 p_sys->render[i].b_absolute = false;
1409 p_sys->render[i].i_y = (newval.i_int < p_sys->i_height) ?
1410 newval.i_int : p_sys->i_height;
1412 else if( !strncmp( psz_cmd, "fbosd-position", 14 ) )
1414 p_sys->render[i].b_absolute = true;
1415 p_sys->render[i].i_pos = newval.i_int;
1417 else if( !strncmp( psz_cmd, "fbosd-font-size", 15 ) )
1419 p_sys->render[i].text_style.i_font_size = newval.i_int;
1421 else if( !strncmp( psz_cmd, "fbosd-font-color", 16 ) )
1423 p_sys->render[i].text_style.i_font_color = newval.i_int;
1425 else if( !strncmp( psz_cmd, "fbosd-font-opacity", 18 ) )
1427 p_sys->render[i].text_style.i_font_alpha = 255 - newval.i_int;
1429 else if( !strncmp( psz_cmd, "fbosd-alpha", 11 ) )
1431 p_sys->render[i].i_alpha = newval.i_int;