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>
35 #include <vlc_modules.h>
37 #include <stdlib.h> /* free() */
38 #include <string.h> /* strerror() */
39 #include <fcntl.h> /* open() */
40 #include <unistd.h> /* close() */
42 #include <sys/ioctl.h>
43 #include <sys/mman.h> /* mmap() */
47 #include <vlc_image.h>
48 #include <vlc_interface.h>
49 #include <vlc_input.h>
51 #include <vlc_filter.h>
53 #include <vlc_strings.h>
58 /*****************************************************************************
60 *****************************************************************************/
61 static int Create ( vlc_object_t * );
62 static void Destroy ( vlc_object_t * );
63 static void Run ( intf_thread_t * );
65 static int Init ( intf_thread_t * );
66 static void End ( intf_thread_t * );
68 static int OpenDisplay ( intf_thread_t * );
69 static void CloseDisplay ( intf_thread_t * );
71 /* Load modules needed for rendering and blending */
72 #if defined(FBOSD_BLENDING)
73 static int OpenBlending ( intf_thread_t * );
74 static void CloseBlending ( intf_thread_t * );
76 static int OpenTextRenderer ( intf_thread_t * );
77 static void CloseTextRenderer( intf_thread_t * );
79 /* Manipulate the overlay buffer */
80 static int OverlayCallback( vlc_object_t *, char const *,
81 vlc_value_t, vlc_value_t, void * );
83 static picture_t *AllocatePicture( video_format_t * );
84 static void DeAllocatePicture( picture_t *, video_format_t * );
85 static void SetOverlayTransparency( intf_thread_t *,
87 static picture_t *LoadImage( intf_thread_t *, video_format_t *,
90 #if defined(FBOSD_BLENDING)
91 static int BlendPicture( intf_thread_t *, video_format_t *,
92 video_format_t *, picture_t *, picture_t * );
94 static picture_t *ConvertImage( intf_thread_t *, picture_t *,
95 video_format_t *, video_format_t * );
97 static int RenderPicture( intf_thread_t *, int, int,
98 picture_t *, picture_t * );
99 static picture_t *RenderText( intf_thread_t *, const char *,
100 text_style_t *, video_format_t * );
102 #define DEVICE_TEXT N_("Framebuffer device")
103 #define DEVICE_LONGTEXT N_( \
104 "Framebuffer device to use for rendering (usually /dev/fb0).")
106 #define ASPECT_RATIO_TEXT N_("Video aspect ratio")
107 #define ASPECT_RATIO_LONGTEXT N_( \
108 "Aspect ratio of the video image (4:3, 16:9). Default is square pixels." )
110 #define FBOSD_IMAGE_TEXT N_("Image file")
111 #define FBOSD_IMAGE_LONGTEXT N_( \
112 "Filename of image file to use on the overlay framebuffer." )
114 #define ALPHA_TEXT N_("Transparency of the image")
115 #define ALPHA_LONGTEXT N_( "Transparency value of the new image " \
116 "used in blending. By default it set to fully opaque (255). " \
117 "(from 0 for full transparency to 255 for full opacity)" )
119 #define FBOSD_TEXT N_("Text")
120 #define FBOSD_LONGTEXT N_( "Text to display on the overlay framebuffer." )
122 #define POSX_TEXT N_("X coordinate")
123 #define POSX_LONGTEXT N_("X coordinate of the rendered image")
125 #define POSY_TEXT N_("Y coordinate")
126 #define POSY_LONGTEXT N_("Y coordinate of the rendered image")
128 #define POS_TEXT N_("Position")
129 #define POS_LONGTEXT N_( \
130 "You can enforce the picture position on the overlay " \
131 "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
132 "also use combinations of these values, e.g. 6=top-right).")
134 #define OPACITY_TEXT N_("Opacity")
135 #define OPACITY_LONGTEXT N_("Opacity (inverse of transparency) of " \
136 "overlayed text. 0 = transparent, 255 = totally opaque. " )
138 #define SIZE_TEXT N_("Font size, pixels")
139 #define SIZE_LONGTEXT N_("Font size, in pixels. Default is -1 (use default " \
142 #define COLOR_TEXT N_("Color")
143 #define COLOR_LONGTEXT N_("Color of the text that will be rendered on "\
144 "the video. This must be an hexadecimal (like HTML colors). The first two "\
145 "chars are for red, then green, then blue. #000000 = black, #FF0000 = red,"\
146 " #00FF00 = green, #FFFF00 = yellow (red + green), #FFFFFF = white" )
148 #define CLEAR_TEXT N_( "Clear overlay framebuffer" )
149 #define CLEAR_LONGTEXT N_( "The displayed overlay images is cleared by " \
150 "making the overlay completely transparent. All previously rendered " \
151 "images and text will be cleared from the cache." )
153 #define RENDER_TEXT N_( "Render text or image" )
154 #define RENDER_LONGTEXT N_( "Render the image or text in current overlay " \
157 #define DISPLAY_TEXT N_( "Display on overlay framebuffer" )
158 #define DISPLAY_LONGTEXT N_( "All rendered images and text will be " \
159 "displayed on the overlay framebuffer." )
161 static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
162 static const char *const ppsz_pos_descriptions[] =
163 { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
164 N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
166 static const int pi_color_values[] = {
167 0xf0000000, 0x00000000, 0x00808080, 0x00C0C0C0,
168 0x00FFFFFF, 0x00800000, 0x00FF0000, 0x00FF00FF, 0x00FFFF00,
169 0x00808000, 0x00008000, 0x00008080, 0x0000FF00, 0x00800080,
170 0x00000080, 0x000000FF, 0x0000FFFF};
171 static const char *const ppsz_color_descriptions[] = {
172 N_("Default"), N_("Black"),
173 N_("Gray"), N_("Silver"), N_("White"), N_("Maroon"), N_("Red"),
174 N_("Fuchsia"), N_("Yellow"), N_("Olive"), N_("Green"),
175 N_("Teal"), N_("Lime"), N_("Purple"), N_("Navy"), N_("Blue"),
179 set_shortname( "fbosd" )
180 set_category( CAT_INTERFACE )
181 set_subcategory( SUBCAT_INTERFACE_MAIN )
183 add_loadfile( "fbosd-dev", "/dev/fb0", DEVICE_TEXT, DEVICE_LONGTEXT,
185 add_string( "fbosd-aspect-ratio", "", ASPECT_RATIO_TEXT,
186 ASPECT_RATIO_LONGTEXT, true )
188 add_string( "fbosd-image", NULL, FBOSD_IMAGE_TEXT,
189 FBOSD_IMAGE_LONGTEXT, true )
190 add_string( "fbosd-text", NULL, FBOSD_TEXT,
191 FBOSD_LONGTEXT, true )
193 add_integer_with_range( "fbosd-alpha", 255, 0, 255, ALPHA_TEXT,
194 ALPHA_LONGTEXT, true )
196 set_section( N_("Position"), NULL )
197 add_integer( "fbosd-x", 0, POSX_TEXT,
198 POSX_LONGTEXT, false )
199 add_integer( "fbosd-y", 0, POSY_TEXT,
200 POSY_LONGTEXT, false )
201 add_integer( "fbosd-position", 8, POS_TEXT, POS_LONGTEXT, true )
202 change_integer_list( pi_pos_values, ppsz_pos_descriptions );
204 set_section( N_("Font"), NULL )
205 add_integer_with_range( "fbosd-font-opacity", 255, 0, 255,
206 OPACITY_TEXT, OPACITY_LONGTEXT, false )
207 add_integer( "fbosd-font-color", 0x00FFFFFF, COLOR_TEXT, COLOR_LONGTEXT,
209 change_integer_list( pi_color_values, ppsz_color_descriptions );
210 add_integer( "fbosd-font-size", -1, SIZE_TEXT, SIZE_LONGTEXT,
213 set_section( N_("Commands"), NULL )
214 add_bool( "fbosd-clear", false, CLEAR_TEXT, CLEAR_LONGTEXT, true )
215 add_bool( "fbosd-render", false, RENDER_TEXT, RENDER_LONGTEXT, true )
216 add_bool( "fbosd-display", false, DISPLAY_TEXT, DISPLAY_LONGTEXT, true )
218 set_description( N_("GNU/Linux osd/overlay framebuffer interface") )
219 set_capability( "interface", 10 )
220 set_callbacks( Create, Destroy )
223 /*****************************************************************************
224 * fbosd_render_t: render descriptor
225 *****************************************************************************/
226 struct fbosd_render_t
228 #define FBOSD_RENDER_IMAGE 0
229 #define FBOSD_RENDER_TEXT 1
232 #define FBOSD_STATE_FREE 0
233 #define FBOSD_STATE_RESERVED 1
234 #define FBOSD_STATE_RENDER 2
238 text_style_t* p_text_style; /* font control */
246 int i_alpha; /* transparency for images */
248 #define FBOSD_RENDER_MAX 10
250 /*****************************************************************************
251 * intf_sys_t: interface framebuffer method descriptor
252 *****************************************************************************/
255 /* Framebuffer information */
256 int i_fd; /* device handle */
257 struct fb_var_screeninfo var_info; /* current mode information */
258 bool b_pan; /* does device supports panning ? */
259 struct fb_cmap fb_cmap; /* original colormap */
260 uint16_t *p_palette; /* original palette */
262 /* Overlay framebuffer format */
263 video_format_t fmt_out;
264 picture_t *p_overlay;
265 size_t i_page_size; /* page size */
269 int i_bytes_per_pixel;
271 /* Image and Picture rendering */
272 image_handler_t *p_image;
273 #if defined(FBOSD_BLENDING)
274 filter_t *p_blend; /* alpha blending module */
276 filter_t *p_text; /* text renderer module */
279 struct fbosd_render_t render[FBOSD_RENDER_MAX];
282 text_style_t *p_style; /* font control */
290 int i_alpha; /* transparency for images */
292 /* commands control */
293 bool b_need_update; /* update display with \overlay buffer */
294 bool b_clear; /* clear overlay buffer make it tranparent */
295 bool b_render; /* render an image or text in overlay buffer */
298 /*****************************************************************************
299 * Create: allocates FB interface thread output method
300 *****************************************************************************/
301 static int Create( vlc_object_t *p_this )
303 intf_thread_t *p_intf = (intf_thread_t *)p_this;
309 /* Allocate instance and initialize some members */
310 p_intf->p_sys = p_sys = calloc( 1, sizeof( intf_sys_t ) );
314 p_sys->p_style = text_style_New();
315 if( !p_sys->p_style )
317 free( p_intf->p_sys );
321 p_intf->pf_run = Run;
323 p_sys->p_image = image_HandlerCreate( p_this );
324 if( !p_sys->p_image )
326 text_style_Delete( p_sys->p_style );
331 p_sys->i_alpha = var_CreateGetIntegerCommand( p_intf, "fbosd-alpha" );
332 var_AddCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
334 /* Use PAL by default */
335 p_sys->i_width = p_sys->fmt_out.i_width = 704;
336 p_sys->i_height = p_sys->fmt_out.i_height = 576;
338 p_sys->i_aspect = -1;
340 var_CreateGetNonEmptyString( p_intf, "fbosd-aspect-ratio" );
343 char *psz_parser = strchr( psz_aspect, ':' );
347 *psz_parser++ = '\0';
348 p_sys->i_aspect = ( atoi( psz_aspect )
349 * VOUT_ASPECT_FACTOR ) / atoi( psz_parser );
350 p_sys->fmt_out.i_sar_num = p_sys->i_aspect * p_sys->i_height;
351 p_sys->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR * p_sys->i_width;
353 msg_Dbg( p_intf, "using aspect ratio %d:%d",
354 atoi( psz_aspect ), atoi( psz_parser ) );
359 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-image" );
360 var_AddCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
361 if( psz_tmp && *psz_tmp )
363 p_sys->render[0].i_type = FBOSD_RENDER_IMAGE;
364 p_sys->render[0].i_state = FBOSD_STATE_RENDER;
365 p_sys->render[0].psz_string = strdup( psz_tmp );
369 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-text" );
370 var_AddCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
371 if( psz_tmp && *psz_tmp )
373 p_sys->render[1].i_type = FBOSD_RENDER_TEXT;
374 p_sys->render[1].i_state = FBOSD_STATE_RENDER;
375 p_sys->render[1].psz_string = strdup( psz_tmp );
379 p_sys->i_pos = var_CreateGetIntegerCommand( p_intf, "fbosd-position" );
380 p_sys->i_x = var_CreateGetIntegerCommand( p_intf, "fbosd-x" );
381 p_sys->i_y = var_CreateGetIntegerCommand( p_intf, "fbosd-y" );
383 var_AddCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
384 var_AddCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
385 var_AddCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
387 p_sys->p_style->i_font_size =
388 var_CreateGetIntegerCommand( p_intf, "fbosd-font-size" );
389 p_sys->p_style->i_font_color =
390 var_CreateGetIntegerCommand( p_intf, "fbosd-font-color" );
391 p_sys->p_style->i_font_alpha = 255 -
392 var_CreateGetIntegerCommand( p_intf, "fbosd-font-opacity" );
394 var_AddCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
395 var_AddCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
396 var_AddCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
398 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
399 p_sys->render[i].p_text_style = text_style_New();
401 p_sys->b_clear = var_CreateGetBoolCommand( p_intf, "fbosd-clear" );
402 p_sys->b_render = var_CreateGetBoolCommand( p_intf, "fbosd-render" );
403 p_sys->b_need_update = var_CreateGetBoolCommand( p_intf, "fbosd-display" );
405 var_AddCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
406 var_AddCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
407 var_AddCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
409 /* Check if picture position was overridden */
410 p_sys->b_absolute = true;
411 if( ( p_sys->i_x >= 0 ) && ( p_sys->i_y >= 0 ) )
413 p_sys->b_absolute = false;
414 p_sys->i_y = (p_sys->i_y < p_sys->i_height) ?
415 p_sys->i_y : p_sys->i_height;
416 p_sys->i_x = (p_sys->i_x < p_sys->i_width) ?
417 p_sys->i_x : p_sys->i_width;
420 p_sys->render[0].i_x = p_sys->render[1].i_x = p_sys->i_x;
421 p_sys->render[0].i_y = p_sys->render[1].i_y = p_sys->i_y;
422 p_sys->render[0].i_pos = p_sys->render[1].i_pos = p_sys->i_pos;
423 p_sys->render[0].i_alpha = p_sys->render[1].i_alpha = p_sys->i_alpha;
425 /* Initialize framebuffer */
426 if( OpenDisplay( p_intf ) )
428 Destroy( VLC_OBJECT(p_intf) );
434 #if defined(FBOSD_BLENDING)
435 /* Load the blending module */
436 if( OpenBlending( p_intf ) )
438 msg_Err( p_intf, "Unable to load image blending module" );
439 Destroy( VLC_OBJECT(p_intf) );
444 /* Load text renderer module */
445 if( OpenTextRenderer( p_intf ) )
447 msg_Err( p_intf, "Unable to load text rendering module" );
448 Destroy( VLC_OBJECT(p_intf) );
452 p_sys->b_render = true;
453 p_sys->b_need_update = true;
458 /*****************************************************************************
459 * Destroy: destroy FB interface thread output method
460 *****************************************************************************
461 * Terminate an output method created by Create
462 *****************************************************************************/
463 static void Destroy( vlc_object_t *p_this )
465 intf_thread_t *p_intf = (intf_thread_t *)p_this;
466 intf_sys_t *p_sys = p_intf->p_sys;
470 p_sys->b_need_update = false;
471 p_sys->b_render = false;
472 p_sys->b_clear = false;
474 var_DelCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
475 var_Destroy( p_intf, "fbosd-alpha" );
477 var_DelCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
478 var_DelCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
479 var_DelCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
480 var_DelCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
481 var_DelCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
482 var_DelCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
483 var_DelCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
484 var_DelCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
485 var_DelCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
486 var_DelCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
487 var_DelCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
489 var_Destroy( p_intf, "fbosd-x" );
490 var_Destroy( p_intf, "fbosd-y" );
491 var_Destroy( p_intf, "fbosd-position" );
492 var_Destroy( p_intf, "fbosd-image" );
493 var_Destroy( p_intf, "fbosd-text" );
494 var_Destroy( p_intf, "fbosd-font-size" );
495 var_Destroy( p_intf, "fbosd-font-color" );
496 var_Destroy( p_intf, "fbosd-font-opacity" );
497 var_Destroy( p_intf, "fbosd-clear" );
498 var_Destroy( p_intf, "fbosd-render" );
499 var_Destroy( p_intf, "fbosd-display" );
501 var_Destroy( p_intf, "fbosd-aspect-ratio" );
503 CloseDisplay( p_intf );
505 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
507 free( p_sys->render[i].psz_string );
508 p_sys->render[i].i_state = FBOSD_STATE_FREE;
509 text_style_Delete( p_sys->render[i].p_text_style );
512 #if defined(FBOSD_BLENDING)
513 if( p_sys->p_blend ) CloseBlending( p_intf );
515 if( p_sys->p_text ) CloseTextRenderer( p_intf );
518 image_HandlerDelete( p_sys->p_image );
519 if( p_sys->p_overlay )
520 picture_Release( p_sys->p_overlay );
522 text_style_Delete( p_sys->p_style );
526 #if defined(FBOSD_BLENDING)
527 static int OpenBlending( intf_thread_t *p_intf )
529 if( p_intf->p_sys->p_blend ) return VLC_EGENERIC;
531 p_intf->p_sys->p_blend =
532 vlc_object_create( p_intf, sizeof(filter_t) );
533 p_intf->p_sys->p_blend->fmt_out.video.i_x_offset =
534 p_intf->p_sys->p_blend->fmt_out.video.i_y_offset = 0;
535 p_intf->p_sys->p_blend->fmt_out.video.i_sar_num =
536 p_intf->p_sys->fmt_out.i_sar_num;
537 p_intf->p_sys->p_blend->fmt_out.video.i_sar_den =
538 p_intf->p_sys->fmt_out.i_sar_den;
539 p_intf->p_sys->p_blend->fmt_out.video.i_chroma =
540 p_intf->p_sys->fmt_out.i_chroma;
541 if( var_InheritBool( p_intf, "freetype-yuvp" ) )
542 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
545 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
548 p_intf->p_sys->p_blend->p_module =
549 module_need( p_intf->p_sys->p_blend, "video blending", NULL, false );
551 if( !p_intf->p_sys->p_blend->p_module )
557 static void CloseBlending( intf_thread_t *p_intf )
559 if( p_intf->p_sys->p_blend )
561 if( p_intf->p_sys->p_blend->p_module )
562 module_unneed( p_intf->p_sys->p_blend,
563 p_intf->p_sys->p_blend->p_module );
565 vlc_object_release( p_intf->p_sys->p_blend );
570 static int OpenTextRenderer( intf_thread_t *p_intf )
572 char *psz_modulename = NULL;
574 if( p_intf->p_sys->p_text ) return VLC_EGENERIC;
576 p_intf->p_sys->p_text =
577 vlc_object_create( p_intf, sizeof(filter_t) );
579 p_intf->p_sys->p_text->fmt_out.video.i_width =
580 p_intf->p_sys->p_text->fmt_out.video.i_visible_width =
581 p_intf->p_sys->i_width;
582 p_intf->p_sys->p_text->fmt_out.video.i_height =
583 p_intf->p_sys->p_text->fmt_out.video.i_visible_height =
584 p_intf->p_sys->i_height;
586 psz_modulename = var_CreateGetString( p_intf, "text-renderer" );
587 if( psz_modulename && *psz_modulename )
589 p_intf->p_sys->p_text->p_module =
590 module_need( p_intf->p_sys->p_text, "text renderer",
591 psz_modulename, true );
593 if( !p_intf->p_sys->p_text->p_module )
595 p_intf->p_sys->p_text->p_module =
596 module_need( p_intf->p_sys->p_text, "text renderer", NULL, false );
598 free( psz_modulename );
600 if( !p_intf->p_sys->p_text->p_module )
606 static void CloseTextRenderer( intf_thread_t *p_intf )
608 if( p_intf->p_sys->p_text )
610 if( p_intf->p_sys->p_text->p_module )
611 module_unneed( p_intf->p_sys->p_text,
612 p_intf->p_sys->p_text->p_module );
614 vlc_object_release( p_intf->p_sys->p_text );
618 /*****************************************************************************
620 * allocate a picture buffer for use with the overlay fb.
621 *****************************************************************************/
622 static picture_t *AllocatePicture( video_format_t *p_fmt )
624 picture_t *p_picture = picture_NewFromFormat( p_fmt );
628 if( !p_fmt->p_palette &&
629 ( p_fmt->i_chroma == VLC_CODEC_YUVP ) )
631 p_fmt->p_palette = malloc( sizeof(video_palette_t) );
632 if( !p_fmt->p_palette )
634 picture_Release( p_picture );
640 p_fmt->p_palette = NULL;
646 /*****************************************************************************
648 * Deallocate a picture buffer and free all associated memory.
649 *****************************************************************************/
650 static void DeAllocatePicture( picture_t *p_pic, video_format_t *p_fmt )
654 free( p_fmt->p_palette );
655 p_fmt->p_palette = NULL;
659 picture_Release( p_pic );
662 /*****************************************************************************
663 * SetOverlayTransparency: Set the transparency for this overlay fb,
664 * - true is make transparent
665 * - false is make non tranparent
666 *****************************************************************************/
667 static void SetOverlayTransparency( intf_thread_t *p_intf,
670 intf_sys_t *p_sys = p_intf->p_sys;
671 size_t i_size = p_sys->fmt_out.i_width * p_sys->fmt_out.i_height
672 * p_sys->i_bytes_per_pixel;
673 size_t i_page_size = (p_sys->i_page_size > i_size) ?
674 i_size : p_sys->i_page_size;
676 if( p_sys->p_overlay )
678 msg_Dbg( p_intf, "Make overlay %s",
679 b_transparent ? "transparent" : "opaque" );
681 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, i_page_size );
683 memset( p_sys->p_overlay->p[0].p_pixels, 0x00, i_page_size );
687 #if defined(FBOSD_BLENDING)
688 /*****************************************************************************
689 * BlendPicture: Blend two pictures together..
690 *****************************************************************************/
691 static int BlendPicture( intf_thread_t *p_intf, video_format_t *p_fmt_src,
692 video_format_t *p_fmt_dst, picture_t *p_pic_src,
693 picture_t *p_pic_dst )
695 intf_sys_t *p_sys = p_intf->p_sys;
696 if( p_sys->p_blend && p_sys->p_blend->p_module )
698 int i_x_offset = p_sys->i_x;
699 int i_y_offset = p_sys->i_y;
701 memcpy( &p_sys->p_blend->fmt_in.video, p_fmt_src, sizeof( video_format_t ) );
703 /* Update the output picture size */
704 p_sys->p_blend->fmt_out.video.i_width =
705 p_sys->p_blend->fmt_out.video.i_visible_width =
707 p_sys->p_blend->fmt_out.video.i_height =
708 p_sys->p_blend->fmt_out.video.i_visible_height =
711 i_x_offset = __MAX( i_x_offset, 0 );
712 i_y_offset = __MAX( i_y_offset, 0 );
714 p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_pic_dst,
715 p_pic_src, p_pic_dst, i_x_offset, i_y_offset,
723 static int InvertAlpha( intf_thread_t *p_intf, picture_t **p_pic, video_format_t fmt )
725 uint8_t *p_begin = NULL, *p_end = NULL;
728 if( *p_pic && ((*p_pic)->i_planes != 1) )
731 "cannot invert alpha channel too many planes %d (only 1 supported)",
732 (*p_pic)->i_planes );
736 switch( fmt.i_chroma )
738 case VLC_CODEC_RGB24:
739 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
740 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
741 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
744 case VLC_CODEC_RGB32:
745 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
746 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
747 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
751 msg_Err( p_intf, "cannot invert alpha channel chroma not supported %4.4s",
752 (char *)&fmt.i_chroma );
756 for( ; p_begin < p_end; p_begin += i_skip )
758 uint8_t i_opacity = 0;
760 if( *p_begin != 0xFF )
761 i_opacity = 255 - *p_begin;
762 *p_begin = i_opacity;
769 /*****************************************************************************
770 * RenderPicture: Render the picture into the p_dest buffer.
771 * We don't take transparent pixels into account, so we don't have to blend
772 * the two images together.
773 *****************************************************************************/
774 static int RenderPicture( intf_thread_t *p_intf, int i_x_offset, int i_y_offset,
775 picture_t *p_src, picture_t *p_dest )
778 VLC_UNUSED( p_intf );
780 if( !p_dest && !p_src ) return VLC_EGENERIC;
782 for( i = 0; i < p_src->i_planes ; i++ )
784 if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
786 /* There are margins, but with the same width : perfect ! */
787 vlc_memcpy( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
788 p_src->p[i].i_pitch * p_src->p[i].i_visible_lines );
792 /* We need to proceed line by line */
793 uint8_t *p_in = p_src->p[i].p_pixels;
794 uint8_t *p_out = p_dest->p[i].p_pixels;
796 int i_x = i_x_offset * p_src->p[i].i_pixel_pitch;
797 int i_x_clip, i_y_clip;
799 /* Check boundaries, clip the image if necessary */
800 i_x_clip = ( i_x + p_src->p[i].i_visible_pitch ) - p_dest->p[i].i_visible_pitch;
801 i_x_clip = ( i_x_clip > 0 ) ? i_x_clip : 0;
803 i_y_clip = ( i_y_offset + p_src->p[i].i_visible_lines ) - p_dest->p[i].i_visible_lines;
804 i_y_clip = ( i_y_clip > 0 ) ? i_y_clip : 0;
805 #if defined(FBOSD_DEBUG)
806 msg_Dbg( p_intf, "i_pitch (%d,%d), (%d,%d)/(%d,%d)",
807 p_dest->p[i].i_visible_pitch, p_src->p[i].i_visible_pitch,
808 i_x_offset, i_y_offset, i_x, i_x_clip );
810 if( ( i_y_offset <= p_dest->p[i].i_visible_lines ) &&
811 ( i_x <= p_dest->p[i].i_visible_pitch ) )
815 p_out += ( i_y_offset * p_dest->p[i].i_pitch );
816 for( i_line = 0; i_line < ( p_src->p[i].i_visible_lines - i_y_clip ); i_line++ )
818 vlc_memcpy( p_out + i_x, p_in,
819 p_src->p[i].i_visible_pitch - i_x_clip );
820 p_in += p_src->p[i].i_pitch;
821 p_out += p_dest->p[i].i_pitch;
829 /*****************************************************************************
830 * RenderText - Render text to the desired picture format
831 *****************************************************************************/
832 static picture_t *RenderText( intf_thread_t *p_intf, const char *psz_string,
833 text_style_t *p_style, video_format_t *p_fmt )
835 intf_sys_t *p_sys = p_intf->p_sys;
836 subpicture_region_t *p_region;
837 picture_t *p_dest = NULL;
839 if( !psz_string ) return p_dest;
841 if( p_sys->p_text && p_sys->p_text->p_module )
845 memset( &fmt, 0, sizeof(fmt) );
846 fmt.i_chroma = VLC_CODEC_TEXT;
847 fmt.i_width = fmt.i_visible_width = 0;
848 fmt.i_height = fmt.i_visible_height = 0;
852 p_region = subpicture_region_New( &fmt );
856 p_region->psz_text = strdup( psz_string );
857 if( !p_region->psz_text )
859 subpicture_region_Delete( p_region );
862 p_region->p_style = text_style_Duplicate( p_style );
863 p_region->i_align = SUBPICTURE_ALIGN_LEFT | SUBPICTURE_ALIGN_TOP;
865 if( p_sys->p_text->pf_render_text )
867 video_format_t fmt_out;
869 memset( &fmt_out, 0, sizeof(video_format_t) );
871 p_sys->p_text->pf_render_text( p_sys->p_text,
872 p_region, p_region, NULL );
874 #if defined(FBOSD_BLENDING)
875 fmt_out = p_region->fmt;
876 fmt_out.i_bits_per_pixel = 32;
877 vlc_memcpy( p_fmt, &fmt_out, sizeof(video_format_t) );
879 /* FIXME not needed to copy the picture anymore no ? */
880 p_dest = AllocatePicture( VLC_OBJECT(p_intf), &fmt_out );
883 subpicture_region_Delete( p_region );
886 picture_Copy( p_dest, p_region->p_picture );
888 fmt_out.i_chroma = p_fmt->i_chroma;
889 p_dest = ConvertImage( p_intf, p_region->p_picture,
890 &p_region->fmt, &fmt_out );
892 subpicture_region_Delete( p_region );
895 subpicture_region_Delete( p_region );
900 /*****************************************************************************
901 * LoadImage: Load an image from file into a picture buffer.
902 *****************************************************************************/
903 static picture_t *LoadImage( intf_thread_t *p_intf, video_format_t *p_fmt,
906 picture_t *p_pic = NULL;
908 if( psz_file && p_intf->p_sys->p_image )
910 video_format_t fmt_in, fmt_out;
912 memset( &fmt_in, 0, sizeof(fmt_in) );
913 memset( &fmt_out, 0, sizeof(fmt_out) );
915 fmt_out.i_chroma = p_fmt->i_chroma;
916 p_pic = image_ReadUrl( p_intf->p_sys->p_image, psz_file,
919 msg_Dbg( p_intf, "image size %dx%d chroma %4.4s",
920 fmt_out.i_width, fmt_out.i_height,
921 (char *)&p_fmt->i_chroma );
926 #if ! defined(FBOSD_BLENDING)
927 /*****************************************************************************
928 * Convertmage: Convert image to another fourcc
929 *****************************************************************************/
930 static picture_t *ConvertImage( intf_thread_t *p_intf, picture_t *p_pic,
931 video_format_t *p_fmt_in, video_format_t *p_fmt_out )
933 intf_sys_t *p_sys = p_intf->p_sys;
934 picture_t *p_old = NULL;
938 p_old = image_Convert( p_sys->p_image, p_pic, p_fmt_in, p_fmt_out );
940 msg_Dbg( p_intf, "converted image size %dx%d chroma %4.4s",
941 p_fmt_out->i_width, p_fmt_out->i_height,
942 (char *)&p_fmt_out->i_chroma );
948 /*****************************************************************************
949 * Init: initialize framebuffer video thread output method
950 *****************************************************************************/
951 static int Init( intf_thread_t *p_intf )
953 intf_sys_t *p_sys = p_intf->p_sys;
955 /* Initialize the output structure: RGB with square pixels, whatever
956 * the input format is, since it's the only format we know */
957 switch( p_sys->var_info.bits_per_pixel )
959 case 8: /* FIXME: set the palette */
960 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB8; break;
962 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB15; break;
964 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB16; break;
966 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB24; break;
968 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB32; break;
970 msg_Err( p_intf, "unknown screen depth %i",
971 p_sys->var_info.bits_per_pixel );
975 p_sys->fmt_out.i_bits_per_pixel = p_sys->var_info.bits_per_pixel;
976 p_sys->fmt_out.i_width = p_sys->i_width;
977 p_sys->fmt_out.i_height = p_sys->i_height;
979 /* Assume we have square pixels */
980 if( p_sys->i_aspect < 0 )
982 p_sys->fmt_out.i_sar_num = 1;
983 p_sys->fmt_out.i_sar_den = 1;
987 p_sys->fmt_out.i_sar_num = p_sys->i_aspect * p_sys->i_height;
988 p_sys->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR * p_sys->i_width;
991 /* Allocate overlay buffer */
992 p_sys->p_overlay = AllocatePicture( &p_sys->fmt_out );
993 if( !p_sys->p_overlay ) return VLC_EGENERIC;
995 SetOverlayTransparency( p_intf, true );
997 /* We know the chroma, allocate a buffer which will be used
998 * to write to the overlay framebuffer */
999 p_sys->p_overlay->p->i_pixel_pitch = p_sys->i_bytes_per_pixel;
1000 p_sys->p_overlay->p->i_lines = p_sys->var_info.yres;
1001 p_sys->p_overlay->p->i_visible_lines = p_sys->var_info.yres;
1003 if( p_sys->var_info.xres_virtual )
1005 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres_virtual
1006 * p_sys->i_bytes_per_pixel;
1010 p_sys->p_overlay->p->i_pitch = p_sys->var_info.xres
1011 * p_sys->i_bytes_per_pixel;
1014 p_sys->p_overlay->p->i_visible_pitch = p_sys->var_info.xres
1015 * p_sys->i_bytes_per_pixel;
1017 p_sys->p_overlay->i_planes = 1;
1022 /*****************************************************************************
1023 * End: terminate framebuffer interface
1024 *****************************************************************************/
1025 static void End( intf_thread_t *p_intf )
1027 intf_sys_t *p_sys = p_intf->p_sys;
1030 SetOverlayTransparency( p_intf, false );
1031 if( p_sys->p_overlay )
1034 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
1035 p_sys->i_page_size );
1037 msg_Err( p_intf, "unable to clear overlay" );
1040 DeAllocatePicture( p_intf->p_sys->p_overlay,
1041 &p_intf->p_sys->fmt_out );
1042 p_intf->p_sys->p_overlay = NULL;
1045 /*****************************************************************************
1046 * OpenDisplay: initialize framebuffer
1047 *****************************************************************************/
1048 static int OpenDisplay( intf_thread_t *p_intf )
1050 intf_sys_t *p_sys = p_intf->p_sys;
1051 char *psz_device; /* framebuffer device path */
1052 struct fb_fix_screeninfo fix_info; /* framebuffer fix information */
1054 /* Open framebuffer device */
1055 if( !(psz_device = var_InheritString( p_intf, "fbosd-dev" )) )
1057 msg_Err( p_intf, "don't know which fb osd/overlay device to open" );
1058 return VLC_EGENERIC;
1061 p_sys->i_fd = vlc_open( psz_device, O_RDWR );
1062 if( p_sys->i_fd == -1 )
1064 msg_Err( p_intf, "cannot open %s (%m)", psz_device );
1066 return VLC_EGENERIC;
1070 /* Get framebuffer device information */
1071 if( ioctl( p_sys->i_fd, FBIOGET_VSCREENINFO, &p_sys->var_info ) )
1073 msg_Err( p_intf, "cannot get fb info (%m)" );
1074 close( p_sys->i_fd );
1075 return VLC_EGENERIC;
1078 /* Get some info on the framebuffer itself */
1079 if( ioctl( p_sys->i_fd, FBIOGET_FSCREENINFO, &fix_info ) == 0 )
1081 p_sys->i_width = p_sys->fmt_out.i_width = p_sys->var_info.xres;
1082 p_sys->i_height = p_sys->fmt_out.i_height = p_sys->var_info.yres;
1085 /* FIXME: if the image is full-size, it gets cropped on the left
1086 * because of the xres / xres_virtual slight difference */
1087 msg_Dbg( p_intf, "%ix%i (virtual %ix%i)",
1088 p_sys->var_info.xres, p_sys->var_info.yres,
1089 p_sys->var_info.xres_virtual,
1090 p_sys->var_info.yres_virtual );
1092 p_sys->fmt_out.i_width = p_sys->i_width;
1093 p_sys->fmt_out.i_height = p_sys->i_height;
1095 p_sys->p_palette = NULL;
1096 p_sys->b_pan = ( fix_info.ypanstep || fix_info.ywrapstep );
1098 switch( p_sys->var_info.bits_per_pixel )
1101 p_sys->p_palette = malloc( 8 * 256 * sizeof( uint16_t ) );
1102 if( !p_sys->p_palette )
1104 close( p_sys->i_fd );
1107 p_sys->fb_cmap.start = 0;
1108 p_sys->fb_cmap.len = 256;
1109 p_sys->fb_cmap.red = p_sys->p_palette;
1110 p_sys->fb_cmap.green = p_sys->p_palette + 256 * sizeof( uint16_t );
1111 p_sys->fb_cmap.blue = p_sys->p_palette + 2 * 256 * sizeof( uint16_t );
1112 p_sys->fb_cmap.transp = p_sys->p_palette + 3 * 256 * sizeof( uint16_t );
1114 /* Save the colormap */
1115 ioctl( p_sys->i_fd, FBIOGETCMAP, &p_sys->fb_cmap );
1117 p_sys->i_bytes_per_pixel = 1;
1122 p_sys->i_bytes_per_pixel = 2;
1126 p_sys->i_bytes_per_pixel = 3;
1130 p_sys->i_bytes_per_pixel = 4;
1134 msg_Err( p_intf, "screen depth %d is not supported",
1135 p_sys->var_info.bits_per_pixel );
1137 close( p_sys->i_fd );
1138 return VLC_EGENERIC;
1141 p_sys->i_page_size = p_sys->i_width * p_sys->i_height
1142 * p_sys->i_bytes_per_pixel;
1144 msg_Dbg( p_intf, "framebuffer type=%d, visual=%d, ypanstep=%d, "
1145 "ywrap=%d, accel=%d", fix_info.type, fix_info.visual,
1146 fix_info.ypanstep, fix_info.ywrapstep, fix_info.accel );
1150 /*****************************************************************************
1151 * CloseDisplay: terminate FB interface thread
1152 *****************************************************************************/
1153 static void CloseDisplay( intf_thread_t *p_intf )
1155 intf_sys_t *p_sys = p_intf->p_sys;
1157 /* Restore palette */
1158 if( p_sys->var_info.bits_per_pixel == 8 )
1160 ioctl( p_sys->i_fd, FBIOPUTCMAP, &p_sys->fb_cmap );
1161 free( p_sys->p_palette );
1162 p_sys->p_palette = NULL;
1166 close( p_sys->i_fd );
1169 static void Render( intf_thread_t *p_intf, struct fbosd_render_t *render )
1171 intf_sys_t *p_sys = p_intf->p_sys;
1173 if( render->i_state != FBOSD_STATE_RENDER ) return;
1174 if( !render->psz_string ) return;
1176 if( render->i_type == FBOSD_RENDER_IMAGE )
1179 p_pic = LoadImage( p_intf, &p_sys->fmt_out, render->psz_string );
1182 RenderPicture( p_intf, render->i_x, render->i_y,
1183 p_pic, p_sys->p_overlay );
1184 picture_Release( p_pic );
1187 else if( render->i_type == FBOSD_RENDER_TEXT )
1190 #if defined(FBOSD_BLENDING)
1191 video_format_t fmt_in;
1192 memset( &fmt_in, 0, sizeof(video_format_t) );
1193 p_text = RenderText( p_intf, render->psz_string, render->p_text_style,
1197 BlendPicture( p_intf, &fmt_in, &p_sys->fmt_out,
1198 p_text, p_sys->p_overlay );
1199 msg_Dbg( p_intf, "releasing picture" );
1200 DeAllocatePicture( p_text, &fmt_in );
1203 p_text = RenderText( p_intf, render->psz_string, render->p_text_style,
1207 RenderPicture( p_intf, render->i_x, render->i_y,
1208 p_text, p_sys->p_overlay );
1209 picture_Release( p_text );
1215 static void RenderClear( intf_thread_t *p_intf, struct fbosd_render_t *render )
1217 intf_sys_t *p_sys = p_intf->p_sys;
1219 text_style_Delete( render->p_text_style );
1220 render->p_text_style = text_style_New();
1221 free( render->psz_string );
1222 render->psz_string = NULL;
1224 render->i_x = p_sys->i_x;
1225 render->i_y = p_sys->i_y;
1226 render->i_pos = p_sys->i_pos;
1227 render->i_alpha = p_sys->i_alpha;
1228 render->b_absolute = p_sys->b_absolute;
1229 render->i_state = FBOSD_STATE_FREE;
1232 static bool isRendererReady( intf_thread_t *p_intf )
1234 intf_sys_t *p_sys = p_intf->p_sys;
1237 /* Check if there are more items to render */
1238 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1240 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1246 /*****************************************************************************
1248 *****************************************************************************
1249 * This part of the interface is in a separate thread so that we can call
1250 * exec() from within it without annoying the rest of the program.
1251 *****************************************************************************/
1252 static void Run( intf_thread_t *p_intf )
1254 intf_sys_t *p_sys = p_intf->p_sys;
1255 int canc = vlc_savecancel();
1257 while( vlc_object_alive( p_intf ) )
1261 /* Is there somthing to render? */
1262 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1264 if( p_sys->render[i].i_state == FBOSD_STATE_RENDER )
1266 Render( p_intf, &p_sys->render[i] );
1267 RenderClear( p_intf, &p_sys->render[i] );
1271 if( p_sys->b_clear )
1273 SetOverlayTransparency( p_intf, true );
1275 var_SetString( p_intf, "fbosd-image", "" );
1276 var_SetString( p_intf, "fbosd-text", "" );
1278 p_sys->b_clear = false;
1279 p_sys->b_need_update = true;
1282 if( p_sys->b_need_update && p_sys->p_overlay &&
1283 isRendererReady( p_intf ) )
1286 #if defined(FBOSD_BLENDING)
1287 /* Reverse alpha channel to work around FPGA bug */
1288 InvertAlpha( p_intf, &p_sys->p_overlay, p_sys->fmt_out );
1290 ret = write( p_sys->i_fd, p_sys->p_overlay->p[0].p_pixels,
1291 p_sys->i_page_size );
1293 msg_Err( p_intf, "unable to write to overlay" );
1294 lseek( p_sys->i_fd, 0, SEEK_SET );
1296 /* clear the picture */
1297 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, p_sys->i_page_size );
1298 p_sys->b_need_update = false;
1301 msleep( INTF_IDLE_SLEEP );
1305 vlc_restorecancel( canc );
1308 static int OverlayCallback( vlc_object_t *p_this, char const *psz_cmd,
1309 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1311 intf_thread_t *p_intf = (intf_thread_t *) p_this;
1312 intf_sys_t *p_sys = p_intf->p_sys;
1313 VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1315 if( !strncmp( psz_cmd, "fbosd-display", 13 ) )
1317 p_sys->b_need_update = true;
1319 else if( !strncmp( psz_cmd, "fbosd-clear", 11 ) )
1322 /* Clear the entire render list */
1323 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1325 RenderClear( p_intf, &p_sys->render[i] );
1327 p_sys->b_clear = true;
1329 else if( !strncmp( psz_cmd, "fbosd-render", 12 ) )
1332 /* Are we already busy with on slot ? */
1333 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1335 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1337 p_sys->render[i].i_state = FBOSD_STATE_RENDER;
1345 /* Are we already busy with on slot ? */
1346 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1348 if( p_sys->render[i].i_state == FBOSD_STATE_RESERVED )
1351 /* No, then find first FREE slot */
1352 if( i == FBOSD_RENDER_MAX )
1354 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1356 if( p_sys->render[i].i_state == FBOSD_STATE_FREE )
1359 if( i == FBOSD_RENDER_MAX )
1361 msg_Warn( p_this, "render space depleated" );
1365 /* Found a free slot */
1366 p_sys->render[i].i_state = FBOSD_STATE_RESERVED;
1367 if( !strncmp( psz_cmd, "fbosd-image", 11 ) )
1369 free( p_sys->render[i].psz_string );
1370 p_sys->render[i].psz_string = strdup( newval.psz_string );
1371 p_sys->render[i].i_type = FBOSD_RENDER_IMAGE;
1373 else if( !strncmp( psz_cmd, "fbosd-text", 10 ) )
1375 free( p_sys->render[i].psz_string );
1376 p_sys->render[i].psz_string = strdup( newval.psz_string );
1377 p_sys->render[i].i_type = FBOSD_RENDER_TEXT;
1379 else if( !strncmp( psz_cmd, "fbosd-x", 7 ) )
1381 p_sys->render[i].b_absolute = false;
1382 p_sys->render[i].i_x = (newval.i_int < p_sys->i_width) ?
1383 newval.i_int : p_sys->i_width;
1385 else if( !strncmp( psz_cmd, "fbosd-y", 7 ) )
1387 p_sys->render[i].b_absolute = false;
1388 p_sys->render[i].i_y = (newval.i_int < p_sys->i_height) ?
1389 newval.i_int : p_sys->i_height;
1391 else if( !strncmp( psz_cmd, "fbosd-position", 14 ) )
1393 p_sys->render[i].b_absolute = true;
1394 p_sys->render[i].i_pos = newval.i_int;
1396 else if( !strncmp( psz_cmd, "fbosd-font-size", 15 ) )
1398 p_sys->render[i].p_text_style->i_font_size = newval.i_int;
1400 else if( !strncmp( psz_cmd, "fbosd-font-color", 16 ) )
1402 p_sys->render[i].p_text_style->i_font_color = newval.i_int;
1404 else if( !strncmp( psz_cmd, "fbosd-font-opacity", 18 ) )
1406 p_sys->render[i].p_text_style->i_font_alpha = 255 - newval.i_int;
1408 else if( !strncmp( psz_cmd, "fbosd-alpha", 11 ) )
1410 p_sys->render[i].i_alpha = newval.i_int;