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" );
707 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, i_page_size );
709 memset( p_sys->p_overlay->p[0].p_pixels, 0x00, i_page_size );
713 #if defined(FBOSD_BLENDING)
714 /*****************************************************************************
715 * BlendPicture: Blend two pictures together..
716 *****************************************************************************/
717 static int BlendPicture( intf_thread_t *p_intf, video_format_t *p_fmt_src,
718 video_format_t *p_fmt_dst, picture_t *p_pic_src,
719 picture_t *p_pic_dst )
721 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
722 if( p_sys->p_blend && p_sys->p_blend->p_module )
724 int i_x_offset = p_sys->i_x;
725 int i_y_offset = p_sys->i_y;
727 memcpy( &p_sys->p_blend->fmt_in.video, p_fmt_src, sizeof( video_format_t ) );
729 /* Update the output picture size */
730 p_sys->p_blend->fmt_out.video.i_width =
731 p_sys->p_blend->fmt_out.video.i_visible_width =
733 p_sys->p_blend->fmt_out.video.i_height =
734 p_sys->p_blend->fmt_out.video.i_visible_height =
737 i_x_offset = __MAX( i_x_offset, 0 );
738 i_y_offset = __MAX( i_y_offset, 0 );
740 p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_pic_dst,
741 p_pic_src, p_pic_dst, i_x_offset, i_y_offset,
749 static int InvertAlpha( intf_thread_t *p_intf, picture_t **p_pic, video_format_t fmt )
751 uint8_t *p_begin = NULL, *p_end = NULL;
754 if( *p_pic && ((*p_pic)->i_planes != 1) )
757 "cannot invert alpha channel too many planes %d (only 1 supported)",
758 (*p_pic)->i_planes );
762 switch( fmt.i_chroma )
764 case VLC_FOURCC('R','V','2','4'):
765 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
766 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
767 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
770 case VLC_FOURCC('R','V','3','2'):
771 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
772 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
773 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
777 msg_Err( p_intf, "cannot invert alpha channel chroma not supported %4.4s",
778 (char *)&fmt.i_chroma );
782 for( ; p_begin < p_end; p_begin += i_skip )
786 if( i_opacity != 0xFF )
787 i_opacity = 255 - *p_begin;
788 *p_begin = i_opacity;
795 /*****************************************************************************
796 * RenderPicture: Render the picture into the p_dest buffer.
797 * We don't take transparent pixels into account, so we don't have to blend
798 * the two images together.
799 *****************************************************************************/
800 static int RenderPicture( intf_thread_t *p_intf, int i_x_offset, int i_y_offset,
801 picture_t *p_src, picture_t *p_dest )
804 VLC_UNUSED( p_intf );
806 if( !p_dest && !p_src ) return VLC_EGENERIC;
808 for( i = 0; i < p_src->i_planes ; i++ )
810 if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
812 /* There are margins, but with the same width : perfect ! */
813 vlc_memcpy( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
814 p_src->p[i].i_pitch * p_src->p[i].i_visible_lines );
818 /* We need to proceed line by line */
819 uint8_t *p_in = p_src->p[i].p_pixels;
820 uint8_t *p_out = p_dest->p[i].p_pixels;
822 int i_x = i_x_offset * p_src->p[i].i_pixel_pitch;
823 int i_x_clip, i_y_clip;
825 /* Check boundaries, clip the image if necessary */
826 i_x_clip = ( i_x + p_src->p[i].i_visible_pitch ) - p_dest->p[i].i_visible_pitch;
827 i_x_clip = ( i_x_clip > 0 ) ? i_x_clip : 0;
829 i_y_clip = ( i_y_offset + p_src->p[i].i_visible_lines ) - p_dest->p[i].i_visible_lines;
830 i_y_clip = ( i_y_clip > 0 ) ? i_y_clip : 0;
831 #if defined(FBOSD_DEBUG)
832 msg_Dbg( p_intf, "i_pitch (%d,%d), (%d,%d)/(%d,%d)",
833 p_dest->p[i].i_visible_pitch, p_src->p[i].i_visible_pitch,
834 i_x_offset, i_y_offset, i_x, i_x_clip );
836 if( ( i_y_offset <= p_dest->p[i].i_visible_lines ) &&
837 ( i_x <= p_dest->p[i].i_visible_pitch ) )
841 p_out += ( i_y_offset * p_dest->p[i].i_pitch );
842 for( i_line = 0; i_line < ( p_src->p[i].i_visible_lines - i_y_clip ); i_line++ )
844 vlc_memcpy( p_out + i_x, p_in,
845 p_src->p[i].i_visible_pitch - i_x_clip );
846 p_in += p_src->p[i].i_pitch;
847 p_out += p_dest->p[i].i_pitch;
855 /*****************************************************************************
856 * RenderText - Render text to the desired picture format
857 *****************************************************************************/
858 static picture_t *RenderText( intf_thread_t *p_intf, const char *psz_string,
859 text_style_t *p_style, video_format_t *p_fmt )
861 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
862 subpicture_region_t *p_region;
863 picture_t *p_dest = NULL;
865 if( !psz_string ) return p_dest;
867 if( p_sys->p_text && p_sys->p_text->p_module )
869 p_region = (subpicture_region_t *) malloc( sizeof(subpicture_region_t) );
873 memset( p_region, 0, sizeof(subpicture_region_t) );
875 p_region->psz_text = strdup( psz_string );
876 p_region->p_style = p_style;
878 p_region->fmt.i_chroma = VLC_FOURCC('T','E','X','T');
879 p_region->fmt.i_aspect = 0;
880 p_region->fmt.i_width = p_region->fmt.i_visible_width = 0;
881 p_region->fmt.i_height = p_region->fmt.i_visible_height = 0;
882 p_region->fmt.i_x_offset = 0;
883 p_region->fmt.i_y_offset = 0;
885 p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
887 if( p_sys->p_text->pf_render_text )
889 video_format_t fmt_out;
891 memset( &fmt_out, 0, sizeof(video_format_t) );
893 p_sys->p_text->pf_render_text( p_sys->p_text,
894 p_region, p_region );
896 #if defined(FBOSD_BLENDING)
897 fmt_out = p_region->fmt;
898 fmt_out.i_bits_per_pixel = 32;
899 vlc_memcpy( p_fmt, &fmt_out, sizeof(video_format_t) );
901 p_dest = AllocatePicture( VLC_OBJECT(p_intf), &fmt_out );
904 if( p_region->picture.pf_release )
905 p_region->picture.pf_release( &p_region->picture );
906 free( p_region->psz_text );
910 vout_CopyPicture( VLC_OBJECT(p_intf), p_dest, &p_region->picture );
912 fmt_out.i_chroma = p_fmt->i_chroma;
913 p_dest = ConvertImage( p_intf, &p_region->picture,
914 &p_region->fmt, &fmt_out );
916 if( p_region->picture.pf_release )
917 p_region->picture.pf_release( &p_region->picture );
918 free( p_region->psz_text );
922 free( p_region->psz_text );
928 /*****************************************************************************
929 * LoadImage: Load an image from file into a picture buffer.
930 *****************************************************************************/
931 static picture_t *LoadImage( intf_thread_t *p_intf, video_format_t *p_fmt,
934 picture_t *p_pic = NULL;
936 if( psz_file && p_intf->p_sys->p_image )
938 video_format_t fmt_in, fmt_out;
940 memset( &fmt_in, 0, sizeof(fmt_in) );
941 memset( &fmt_out, 0, sizeof(fmt_out) );
943 fmt_out.i_chroma = p_fmt->i_chroma;
944 p_pic = image_ReadUrl( p_intf->p_sys->p_image, psz_file,
947 msg_Dbg( p_intf, "image size %dx%d chroma %4.4s",
948 fmt_out.i_width, fmt_out.i_height,
949 (char *)&p_fmt->i_chroma );
954 #if ! defined(FBOSD_BLENDING)
955 /*****************************************************************************
956 * Convertmage: Convert image to another fourcc
957 *****************************************************************************/
958 static picture_t *ConvertImage( intf_thread_t *p_intf, picture_t *p_pic,
959 video_format_t *p_fmt_in, video_format_t *p_fmt_out )
961 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
962 picture_t *p_old = NULL;
966 p_old = image_Convert( p_sys->p_image, p_pic, p_fmt_in, p_fmt_out );
968 msg_Dbg( p_intf, "converted image size %dx%d chroma %4.4s",
969 p_fmt_out->i_width, p_fmt_out->i_height,
970 (char *)&p_fmt_out->i_chroma );
976 /*****************************************************************************
977 * Init: initialize framebuffer video thread output method
978 *****************************************************************************/
979 static int Init( intf_thread_t *p_intf )
981 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
983 /* Initialize the output structure: RGB with square pixels, whatever
984 * the input format is, since it's the only format we know */
985 switch( p_sys->var_info.bits_per_pixel )
987 case 8: /* FIXME: set the palette */
988 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','G','B','2'); break;
990 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','5'); break;
992 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','1','6'); break;
994 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','2','4'); break;
996 p_sys->fmt_out.i_chroma = VLC_FOURCC('R','V','3','2'); break;
998 msg_Err( p_intf, "unknown screen depth %i",
999 p_sys->var_info.bits_per_pixel );
1000 return VLC_EGENERIC;
1003 p_sys->fmt_out.i_bits_per_pixel = p_sys->var_info.bits_per_pixel;
1004 p_sys->fmt_out.i_width = p_sys->i_width;
1005 p_sys->fmt_out.i_height = p_sys->i_height;
1007 /* Assume we have square pixels */
1008 if( p_sys->i_aspect < 0 )
1010 p_sys->fmt_out.i_aspect = ( p_sys->i_width
1011 * VOUT_ASPECT_FACTOR ) / p_sys->i_height;
1013 else p_sys->fmt_out.i_aspect = p_sys->i_aspect;
1015 p_sys->fmt_out.i_sar_num = p_sys->fmt_out.i_sar_den = 1;
1017 /* Allocate overlay buffer */
1018 p_sys->p_overlay = AllocatePicture( VLC_OBJECT(p_intf),
1020 if( !p_sys->p_overlay ) return VLC_EGENERIC;
1022 SetOverlayTransparency( p_intf, true );
1024 /* We know the chroma, allocate a buffer which will be used
1025 * to write to the overlay framebuffer */
1026 p_sys->p_overlay->p->i_pixel_pitch = p_sys->i_bytes_per_pixel;
1027 p_sys->p_overlay->p->i_lines = p_sys->var_info.yres;
1028 p_sys->p_overlay->p->i_visible_lines = p_sys->var_info.yres;
1030 if( p_sys->var_info.xres_virtual )
1032 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres_virtual
1033 * p_sys->i_bytes_per_pixel;
1037 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres
1038 * p_sys->i_bytes_per_pixel;
1041 p_sys->p_overlay->p->i_visible_pitch = p_sys->var_info.xres
1042 * p_sys->i_bytes_per_pixel;
1044 p_sys->p_overlay->i_planes = 1;
1049 /*****************************************************************************
1050 * End: terminate framebuffer interface
1051 *****************************************************************************/
1052 static void End( intf_thread_t *p_intf )
1054 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
1057 SetOverlayTransparency( p_intf, false );
1058 if( p_sys->p_overlay )
1061 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
1062 p_sys->i_page_size );
1064 msg_Err( p_intf, "unable to clear overlay" );
1067 DeAllocatePicture( VLC_OBJECT(p_intf), p_intf->p_sys->p_overlay,
1068 &p_intf->p_sys->fmt_out );
1069 p_intf->p_sys->p_overlay = NULL;
1072 /*****************************************************************************
1073 * OpenDisplay: initialize framebuffer
1074 *****************************************************************************/
1075 static int OpenDisplay( intf_thread_t *p_intf )
1077 intf_sys_t *p_sys = (intf_sys_t *) p_intf->p_sys;
1078 char *psz_device; /* framebuffer device path */
1079 struct fb_fix_screeninfo fix_info; /* framebuffer fix information */
1081 /* Open framebuffer device */
1082 if( !(psz_device = config_GetPsz( p_intf, "fbosd-dev" )) )
1084 msg_Err( p_intf, "don't know which fb osd/overlay device to open" );
1085 return VLC_EGENERIC;
1088 p_sys->i_fd = open( psz_device, O_RDWR );
1089 if( p_sys->i_fd == -1 )
1091 msg_Err( p_intf, "cannot open %s (%s)", psz_device, strerror(errno) );
1093 return VLC_EGENERIC;
1097 /* Get framebuffer device information */
1098 if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->var_info ) )
1100 msg_Err( p_intf, "cannot get fb info (%s)", strerror(errno) );
1101 close( p_sys->i_fd );
1102 return VLC_EGENERIC;
1105 /* Get some info on the framebuffer itself */
1106 if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &fix_info ) == 0 )
1108 p_sys->i_width = p_sys->fmt_out.i_width = p_sys->var_info.xres;
1109 p_sys->i_height = p_sys->fmt_out.i_height = p_sys->var_info.yres;
1112 /* FIXME: if the image is full-size, it gets cropped on the left
1113 * because of the xres / xres_virtual slight difference */
1114 msg_Dbg( p_intf, "%ix%i (virtual %ix%i)",
1115 p_sys->var_info.xres, p_sys->var_info.yres,
1116 p_sys->var_info.xres_virtual,
1117 p_sys->var_info.yres_virtual );
1119 p_sys->fmt_out.i_width = p_sys->i_width;
1120 p_sys->fmt_out.i_height = p_sys->i_height;
1122 p_sys->p_palette = NULL;
1123 p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
1125 switch( p_sys->var_info.bits_per_pixel )
1128 p_sys->p_palette = malloc( 8 * 256 * sizeof( uint16_t ) );
1129 if( !p_sys->p_palette )
1131 close( p_sys->i_fd );
1134 p_sys->fb_cmap.start = 0;
1135 p_sys->fb_cmap.len = 256;
1136 p_sys->fb_cmap.red = p_sys->p_palette;
1137 p_sys->fb_cmap.green = p_sys->p_palette + 256 * sizeof( uint16_t );
1138 p_sys->fb_cmap.blue = p_sys->p_palette + 2 * 256 * sizeof( uint16_t );
1139 p_sys->fb_cmap.transp = p_sys->p_palette + 3 * 256 * sizeof( uint16_t );
1141 /* Save the colormap */
1142 ioctl( p_sys->i_fd, FBIOGETCMAP, &p_sys->fb_cmap );
1144 p_sys->i_bytes_per_pixel = 1;
1149 p_sys->i_bytes_per_pixel = 2;
1153 p_sys->i_bytes_per_pixel = 3;
1157 p_sys->i_bytes_per_pixel = 4;
1161 msg_Err( p_intf, "screen depth %d is not supported",
1162 p_sys->var_info.bits_per_pixel );
1164 close( p_sys->i_fd );
1165 return VLC_EGENERIC;
1168 p_sys->i_page_size = p_sys->i_width * p_sys->i_height
1169 * p_sys->i_bytes_per_pixel;
1171 msg_Dbg( p_intf, "framebuffer type=%d, visual=%d, ypanstep=%d, "
1172 "ywrap=%d, accel=%d", fix_info.type, fix_info.visual,
1173 fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
1177 /*****************************************************************************
1178 * CloseDisplay: terminate FB interface thread
1179 *****************************************************************************/
1180 static void CloseDisplay( intf_thread_t *p_intf )
1182 intf_sys_t *p_sys = (intf_sys_t *) p_intf;
1184 /* Restore palette */
1185 if( p_sys->var_info.bits_per_pixel == 8 )
1187 ioctl( p_sys->i_fd, FBIOPUTCMAP, &p_sys->fb_cmap );
1188 free( p_sys->p_palette );
1189 p_sys->p_palette = NULL;
1193 close( p_sys->i_fd );
1196 static void Render( intf_thread_t *p_intf, struct fbosd_render_t *render )
1198 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1200 if( render->i_state != FBOSD_STATE_RENDER ) return;
1201 if( !render->psz_string ) return;
1203 if( render->i_type == FBOSD_RENDER_IMAGE )
1206 p_pic = LoadImage( p_intf, &p_sys->fmt_out, render->psz_string );
1209 RenderPicture( p_intf, render->i_x, render->i_y,
1210 p_pic, p_sys->p_overlay );
1211 p_pic->pf_release( p_pic );
1214 else if( render->i_type == FBOSD_RENDER_TEXT )
1217 #if defined(FBOSD_BLENDING)
1218 video_format_t fmt_in;
1219 memset( &fmt_in, 0, sizeof(video_format_t) );
1220 p_text = RenderText( p_intf, render->psz_string, &render->text_style,
1224 BlendPicture( p_intf, &fmt_in, &p_sys->fmt_out,
1225 p_text, p_sys->p_overlay );
1226 msg_Dbg( p_intf, "releasing picture" );
1227 DeAllocatePicture( VLC_OBJECT( p_intf ), p_text, &fmt_in );
1230 p_text = RenderText( p_intf, render->psz_string, &render->text_style,
1234 RenderPicture( p_intf, render->i_x, render->i_y,
1235 p_text, p_sys->p_overlay );
1236 p_text->pf_release( p_text );
1242 static void RenderClear( intf_thread_t *p_intf, struct fbosd_render_t *render )
1244 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1246 vlc_memcpy( &render->text_style, &default_text_style,
1247 sizeof( text_style_t ) );
1248 free( render->psz_string );
1249 render->psz_string = NULL;
1251 render->i_x = p_sys->i_x;
1252 render->i_y = p_sys->i_y;
1253 render->i_pos = p_sys->i_pos;
1254 render->i_alpha = p_sys->i_alpha;
1255 render->b_absolute = p_sys->b_absolute;
1256 render->i_state = FBOSD_STATE_FREE;
1259 static bool isRendererReady( intf_thread_t *p_intf )
1261 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1264 /* Check if there are more items to render */
1265 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1267 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1273 /*****************************************************************************
1275 *****************************************************************************
1276 * This part of the interface is in a separate thread so that we can call
1277 * exec() from within it without annoying the rest of the program.
1278 *****************************************************************************/
1279 static void Run( intf_thread_t *p_intf )
1281 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1283 while( !intf_ShouldDie( p_intf ) )
1287 /* Is there somthing to render? */
1288 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1290 if( p_sys->render[i].i_state == FBOSD_STATE_RENDER )
1292 Render( p_intf, &p_sys->render[i] );
1293 RenderClear( p_intf, &p_sys->render[i] );
1297 if( p_sys->b_clear )
1299 SetOverlayTransparency( p_intf, true );
1301 var_SetString( p_intf, "fbosd-image", "" );
1302 var_SetString( p_intf, "fbosd-text", "" );
1304 p_sys->b_clear = false;
1305 p_sys->b_need_update = true;
1308 if( p_sys->b_need_update && p_sys->p_overlay &&
1309 isRendererReady( p_intf ) )
1312 #if defined(FBOSD_BLENDING)
1313 /* Reverse alpha channel to work around FPGA bug */
1314 InvertAlpha( p_intf, &p_sys->p_overlay, p_sys->fmt_out );
1316 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
1317 p_sys->i_page_size );
1319 msg_Err( p_intf, "unable to write to overlay" );
1320 lseek( p_sys->i_fd, 0, SEEK_SET );
1322 /* clear the picture */
1323 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, p_sys->i_page_size );
1324 p_sys->b_need_update = false;
1327 if( vlc_CPU() & CPU_CAPABILITY_FPU )
1328 msleep( INTF_IDLE_SLEEP );
1336 static int OverlayCallback( vlc_object_t *p_this, char const *psz_cmd,
1337 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1339 intf_thread_t *p_intf = (intf_thread_t *) p_this;
1340 intf_sys_t *p_sys = (intf_sys_t*) p_intf->p_sys;
1341 VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1343 if( !strncmp( psz_cmd, "fbosd-display", 13 ) )
1345 p_sys->b_need_update = true;
1347 else if( !strncmp( psz_cmd, "fbosd-clear", 11 ) )
1350 /* Clear the entire render list */
1351 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1353 RenderClear( p_intf, &p_sys->render[i] );
1355 p_sys->b_clear = true;
1357 else if( !strncmp( psz_cmd, "fbosd-render", 12 ) )
1360 /* Are we already busy with on slot ? */
1361 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1363 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1365 p_sys->render[i].i_state = FBOSD_STATE_RENDER;
1373 /* Are we already busy with on slot ? */
1374 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1376 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1379 /* No, then find first FREE slot */
1380 if( p_sys->render[i].i_state != FBOSD_STATE_RESERVED )
1382 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1384 if( p_sys->render[i].i_state == FBOSD_STATE_FREE )
1387 if( p_sys->render[i].i_state != FBOSD_STATE_FREE )
1389 msg_Warn( p_this, "render space depleated" );
1393 /* Found a free slot */
1394 p_sys->render[i].i_state = FBOSD_STATE_RESERVED;
1395 if( !strncmp( psz_cmd, "fbosd-image", 11 ) )
1397 free( p_sys->render[i].psz_string );
1398 p_sys->render[i].psz_string = strdup( newval.psz_string );
1399 p_sys->render[i].i_type = FBOSD_RENDER_IMAGE;
1401 else if( !strncmp( psz_cmd, "fbosd-text", 10 ) )
1403 free( p_sys->render[i].psz_string );
1404 p_sys->render[i].psz_string = strdup( newval.psz_string );
1405 p_sys->render[i].i_type = FBOSD_RENDER_TEXT;
1407 else if( !strncmp( psz_cmd, "fbosd-x", 7 ) )
1409 p_sys->render[i].b_absolute = false;
1410 p_sys->render[i].i_x = (newval.i_int < p_sys->i_width) ?
1411 newval.i_int : p_sys->i_width;
1413 else if( !strncmp( psz_cmd, "fbosd-y", 7 ) )
1415 p_sys->render[i].b_absolute = false;
1416 p_sys->render[i].i_y = (newval.i_int < p_sys->i_height) ?
1417 newval.i_int : p_sys->i_height;
1419 else if( !strncmp( psz_cmd, "fbosd-position", 14 ) )
1421 p_sys->render[i].b_absolute = true;
1422 p_sys->render[i].i_pos = newval.i_int;
1424 else if( !strncmp( psz_cmd, "fbosd-font-size", 15 ) )
1426 p_sys->render[i].text_style.i_font_size = newval.i_int;
1428 else if( !strncmp( psz_cmd, "fbosd-font-color", 16 ) )
1430 p_sys->render[i].text_style.i_font_color = newval.i_int;
1432 else if( !strncmp( psz_cmd, "fbosd-font-opacity", 18 ) )
1434 p_sys->render[i].text_style.i_font_alpha = 255 - newval.i_int;
1436 #if defined(FBOSD_BLENDING)
1437 else if( !strncmp( psz_cmd, "fbosd-alpha", 11 ) )
1439 p_sys->render[i].i_alpha = newval.i_int;