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>
34 #include <vlc_charset.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_file( "fbosd-dev", "/dev/fb0", NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
185 add_string( "fbosd-aspect-ratio", "", NULL, ASPECT_RATIO_TEXT,
186 ASPECT_RATIO_LONGTEXT, true )
188 add_string( "fbosd-image", NULL, NULL, FBOSD_IMAGE_TEXT,
189 FBOSD_IMAGE_LONGTEXT, true )
190 add_string( "fbosd-text", NULL, NULL, FBOSD_TEXT,
191 FBOSD_LONGTEXT, true )
193 add_integer_with_range( "fbosd-alpha", 255, 0, 255, NULL, ALPHA_TEXT,
194 ALPHA_LONGTEXT, true )
196 set_section( N_("Position"), NULL )
197 add_integer( "fbosd-x", 0, NULL, POSX_TEXT,
198 POSX_LONGTEXT, false )
199 add_integer( "fbosd-y", 0, NULL, POSY_TEXT,
200 POSY_LONGTEXT, false )
201 add_integer( "fbosd-position", 8, NULL, POS_TEXT, POS_LONGTEXT, true )
202 change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL );
204 set_section( N_("Font"), NULL )
205 add_integer_with_range( "fbosd-font-opacity", 255, 0, 255, NULL,
206 OPACITY_TEXT, OPACITY_LONGTEXT, false )
207 add_integer( "fbosd-font-color", 0x00FFFFFF, NULL, COLOR_TEXT, COLOR_LONGTEXT,
209 change_integer_list( pi_color_values, ppsz_color_descriptions, NULL );
210 add_integer( "fbosd-font-size", -1, NULL, SIZE_TEXT, SIZE_LONGTEXT,
213 set_section( N_("Commands"), NULL )
214 add_bool( "fbosd-clear", false, NULL, CLEAR_TEXT, CLEAR_LONGTEXT, true )
215 add_bool( "fbosd-render", false, NULL, RENDER_TEXT, RENDER_LONGTEXT, true )
216 add_bool( "fbosd-display", false, NULL, 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 p_sys->i_aspect = -1;
336 var_CreateGetNonEmptyString( p_intf, "fbosd-aspect-ratio" );
339 char *psz_parser = strchr( psz_aspect, ':' );
343 *psz_parser++ = '\0';
344 p_sys->i_aspect = ( atoi( psz_aspect )
345 * VOUT_ASPECT_FACTOR ) / atoi( psz_parser );
346 p_sys->fmt_out.i_aspect = p_sys->i_aspect;
348 msg_Dbg( p_intf, "using aspect ratio %d:%d",
349 atoi( psz_aspect ), atoi( psz_parser ) );
354 /* Use PAL by default */
355 p_sys->i_width = p_sys->fmt_out.i_width = 704;
356 p_sys->i_height = p_sys->fmt_out.i_height = 576;
358 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-image" );
359 var_AddCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
360 if( psz_tmp && *psz_tmp )
362 p_sys->render[0].i_type = FBOSD_RENDER_IMAGE;
363 p_sys->render[0].i_state = FBOSD_STATE_RENDER;
364 p_sys->render[0].psz_string = strdup( psz_tmp );
368 psz_tmp = var_CreateGetNonEmptyStringCommand( p_intf, "fbosd-text" );
369 var_AddCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
370 if( psz_tmp && *psz_tmp )
372 p_sys->render[1].i_type = FBOSD_RENDER_TEXT;
373 p_sys->render[1].i_state = FBOSD_STATE_RENDER;
374 p_sys->render[1].psz_string = strdup( psz_tmp );
378 p_sys->i_pos = var_CreateGetIntegerCommand( p_intf, "fbosd-position" );
379 p_sys->i_x = var_CreateGetIntegerCommand( p_intf, "fbosd-x" );
380 p_sys->i_y = var_CreateGetIntegerCommand( p_intf, "fbosd-y" );
382 var_AddCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
383 var_AddCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
384 var_AddCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
386 p_sys->p_style->i_font_size =
387 var_CreateGetIntegerCommand( p_intf, "fbosd-font-size" );
388 p_sys->p_style->i_font_color =
389 var_CreateGetIntegerCommand( p_intf, "fbosd-font-color" );
390 p_sys->p_style->i_font_alpha = 255 -
391 var_CreateGetIntegerCommand( p_intf, "fbosd-font-opacity" );
393 var_AddCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
394 var_AddCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
395 var_AddCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
397 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
398 p_sys->render[i].p_text_style = text_style_New();
400 p_sys->b_clear = var_CreateGetBoolCommand( p_intf, "fbosd-clear" );
401 p_sys->b_render = var_CreateGetBoolCommand( p_intf, "fbosd-render" );
402 p_sys->b_need_update = var_CreateGetBoolCommand( p_intf, "fbosd-display" );
404 var_AddCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
405 var_AddCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
406 var_AddCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
408 /* Check if picture position was overridden */
409 p_sys->b_absolute = true;
410 if( ( p_sys->i_x >= 0 ) && ( p_sys->i_y >= 0 ) )
412 p_sys->b_absolute = false;
413 p_sys->i_y = (p_sys->i_y < p_sys->i_height) ?
414 p_sys->i_y : p_sys->i_height;
415 p_sys->i_x = (p_sys->i_x < p_sys->i_width) ?
416 p_sys->i_x : p_sys->i_width;
419 p_sys->render[0].i_x = p_sys->render[1].i_x = p_sys->i_x;
420 p_sys->render[0].i_y = p_sys->render[1].i_y = p_sys->i_y;
421 p_sys->render[0].i_pos = p_sys->render[1].i_pos = p_sys->i_pos;
422 p_sys->render[0].i_alpha = p_sys->render[1].i_alpha = p_sys->i_alpha;
424 /* Initialize framebuffer */
425 if( OpenDisplay( p_intf ) )
427 Destroy( VLC_OBJECT(p_intf) );
433 #if defined(FBOSD_BLENDING)
434 /* Load the blending module */
435 if( OpenBlending( p_intf ) )
437 msg_Err( p_intf, "Unable to load image blending module" );
438 Destroy( VLC_OBJECT(p_intf) );
443 /* Load text renderer module */
444 if( OpenTextRenderer( p_intf ) )
446 msg_Err( p_intf, "Unable to load text rendering module" );
447 Destroy( VLC_OBJECT(p_intf) );
451 p_sys->b_render = true;
452 p_sys->b_need_update = true;
457 /*****************************************************************************
458 * Destroy: destroy FB interface thread output method
459 *****************************************************************************
460 * Terminate an output method created by Create
461 *****************************************************************************/
462 static void Destroy( vlc_object_t *p_this )
464 intf_thread_t *p_intf = (intf_thread_t *)p_this;
465 intf_sys_t *p_sys = p_intf->p_sys;
469 p_sys->b_need_update = false;
470 p_sys->b_render = false;
471 p_sys->b_clear = false;
473 var_DelCallback( p_intf, "fbosd-alpha", OverlayCallback, NULL );
474 var_Destroy( p_intf, "fbosd-alpha" );
476 var_DelCallback( p_intf, "fbosd-x", OverlayCallback, NULL );
477 var_DelCallback( p_intf, "fbosd-y", OverlayCallback, NULL );
478 var_DelCallback( p_intf, "fbosd-position", OverlayCallback, NULL );
479 var_DelCallback( p_intf, "fbosd-image", OverlayCallback, NULL );
480 var_DelCallback( p_intf, "fbosd-text", OverlayCallback, NULL );
481 var_DelCallback( p_intf, "fbosd-font-size", OverlayCallback, NULL );
482 var_DelCallback( p_intf, "fbosd-font-color", OverlayCallback, NULL );
483 var_DelCallback( p_intf, "fbosd-font-opacity", OverlayCallback, NULL );
484 var_DelCallback( p_intf, "fbosd-clear", OverlayCallback, NULL );
485 var_DelCallback( p_intf, "fbosd-render", OverlayCallback, NULL );
486 var_DelCallback( p_intf, "fbosd-display", OverlayCallback, NULL );
488 var_Destroy( p_intf, "fbosd-x" );
489 var_Destroy( p_intf, "fbosd-y" );
490 var_Destroy( p_intf, "fbosd-position" );
491 var_Destroy( p_intf, "fbosd-image" );
492 var_Destroy( p_intf, "fbosd-text" );
493 var_Destroy( p_intf, "fbosd-font-size" );
494 var_Destroy( p_intf, "fbosd-font-color" );
495 var_Destroy( p_intf, "fbosd-font-opacity" );
496 var_Destroy( p_intf, "fbosd-clear" );
497 var_Destroy( p_intf, "fbosd-render" );
498 var_Destroy( p_intf, "fbosd-display" );
500 var_Destroy( p_intf, "fbosd-aspect-ratio" );
502 CloseDisplay( p_intf );
504 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
506 free( p_sys->render[i].psz_string );
507 p_sys->render[i].i_state = FBOSD_STATE_FREE;
508 text_style_Delete( p_sys->render[i].p_text_style );
511 #if defined(FBOSD_BLENDING)
512 if( p_sys->p_blend ) CloseBlending( p_intf );
514 if( p_sys->p_text ) CloseTextRenderer( p_intf );
517 image_HandlerDelete( p_sys->p_image );
518 if( p_sys->p_overlay )
519 picture_Release( p_sys->p_overlay );
521 text_style_Delete( p_sys->p_style );
525 #if defined(FBOSD_BLENDING)
526 static int OpenBlending( intf_thread_t *p_intf )
528 if( p_intf->p_sys->p_blend ) return VLC_EGENERIC;
530 p_intf->p_sys->p_blend =
531 vlc_object_create( p_intf, sizeof(filter_t) );
532 vlc_object_attach( p_intf->p_sys->p_blend, p_intf );
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_aspect =
536 p_intf->p_sys->fmt_out.i_aspect;
537 p_intf->p_sys->p_blend->fmt_out.video.i_chroma =
538 p_intf->p_sys->fmt_out.i_chroma;
539 if( config_GetInt( p_intf, "freetype-yuvp" ) )
540 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
543 p_intf->p_sys->p_blend->fmt_in.video.i_chroma =
546 p_intf->p_sys->p_blend->p_module =
547 module_need( p_intf->p_sys->p_blend, "video blending", NULL, false );
549 if( !p_intf->p_sys->p_blend->p_module )
555 static void CloseBlending( intf_thread_t *p_intf )
557 if( p_intf->p_sys->p_blend )
559 if( p_intf->p_sys->p_blend->p_module )
560 module_unneed( p_intf->p_sys->p_blend,
561 p_intf->p_sys->p_blend->p_module );
563 vlc_object_detach( p_intf->p_sys->p_blend );
564 vlc_object_release( p_intf->p_sys->p_blend );
569 static int OpenTextRenderer( intf_thread_t *p_intf )
571 char *psz_modulename = NULL;
573 if( p_intf->p_sys->p_text ) return VLC_EGENERIC;
575 p_intf->p_sys->p_text =
576 vlc_object_create( p_intf, sizeof(filter_t) );
577 vlc_object_attach( p_intf->p_sys->p_text, p_intf );
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_detach( p_intf->p_sys->p_text );
615 vlc_object_release( p_intf->p_sys->p_text );
619 /*****************************************************************************
621 * allocate a picture buffer for use with the overlay fb.
622 *****************************************************************************/
623 static picture_t *AllocatePicture( video_format_t *p_fmt )
625 picture_t *p_picture = picture_NewFromFormat( p_fmt );
629 if( !p_fmt->p_palette &&
630 ( p_fmt->i_chroma == VLC_CODEC_YUVP ) )
632 p_fmt->p_palette = malloc( sizeof(video_palette_t) );
633 if( !p_fmt->p_palette )
635 picture_Release( p_picture );
641 p_fmt->p_palette = NULL;
647 /*****************************************************************************
649 * Deallocate a picture buffer and free all associated memory.
650 *****************************************************************************/
651 static void DeAllocatePicture( picture_t *p_pic, video_format_t *p_fmt )
655 free( p_fmt->p_palette );
656 p_fmt->p_palette = NULL;
660 picture_Release( p_pic );
663 /*****************************************************************************
664 * SetOverlayTransparency: Set the transparency for this overlay fb,
665 * - true is make transparent
666 * - false is make non tranparent
667 *****************************************************************************/
668 static void SetOverlayTransparency( intf_thread_t *p_intf,
671 intf_sys_t *p_sys = p_intf->p_sys;
672 size_t i_size = p_sys->fmt_out.i_width * p_sys->fmt_out.i_height
673 * p_sys->i_bytes_per_pixel;
674 size_t i_page_size = (p_sys->i_page_size > i_size) ?
675 i_size : p_sys->i_page_size;
677 if( p_sys->p_overlay )
679 msg_Dbg( p_intf, "Make overlay %s",
680 b_transparent ? "transparent" : "opaque" );
682 memset( p_sys->p_overlay->p[0].p_pixels, 0xFF, i_page_size );
684 memset( p_sys->p_overlay->p[0].p_pixels, 0x00, i_page_size );
688 #if defined(FBOSD_BLENDING)
689 /*****************************************************************************
690 * BlendPicture: Blend two pictures together..
691 *****************************************************************************/
692 static int BlendPicture( intf_thread_t *p_intf, video_format_t *p_fmt_src,
693 video_format_t *p_fmt_dst, picture_t *p_pic_src,
694 picture_t *p_pic_dst )
696 intf_sys_t *p_sys = p_intf->p_sys;
697 if( p_sys->p_blend && p_sys->p_blend->p_module )
699 int i_x_offset = p_sys->i_x;
700 int i_y_offset = p_sys->i_y;
702 memcpy( &p_sys->p_blend->fmt_in.video, p_fmt_src, sizeof( video_format_t ) );
704 /* Update the output picture size */
705 p_sys->p_blend->fmt_out.video.i_width =
706 p_sys->p_blend->fmt_out.video.i_visible_width =
708 p_sys->p_blend->fmt_out.video.i_height =
709 p_sys->p_blend->fmt_out.video.i_visible_height =
712 i_x_offset = __MAX( i_x_offset, 0 );
713 i_y_offset = __MAX( i_y_offset, 0 );
715 p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_pic_dst,
716 p_pic_src, p_pic_dst, i_x_offset, i_y_offset,
724 static int InvertAlpha( intf_thread_t *p_intf, picture_t **p_pic, video_format_t fmt )
726 uint8_t *p_begin = NULL, *p_end = NULL;
729 if( *p_pic && ((*p_pic)->i_planes != 1) )
732 "cannot invert alpha channel too many planes %d (only 1 supported)",
733 (*p_pic)->i_planes );
737 switch( fmt.i_chroma )
739 case VLC_CODEC_RGB24:
740 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
741 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
742 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
745 case VLC_CODEC_RGB32:
746 p_begin = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels;
747 p_end = (uint8_t *)(*p_pic)->p[Y_PLANE].p_pixels +
748 ( fmt.i_height * (*p_pic)->p[Y_PLANE].i_pitch );
752 msg_Err( p_intf, "cannot invert alpha channel chroma not supported %4.4s",
753 (char *)&fmt.i_chroma );
757 for( ; p_begin < p_end; p_begin += i_skip )
759 uint8_t i_opacity = 0;
761 if( *p_begin != 0xFF )
762 i_opacity = 255 - *p_begin;
763 *p_begin = i_opacity;
770 /*****************************************************************************
771 * RenderPicture: Render the picture into the p_dest buffer.
772 * We don't take transparent pixels into account, so we don't have to blend
773 * the two images together.
774 *****************************************************************************/
775 static int RenderPicture( intf_thread_t *p_intf, int i_x_offset, int i_y_offset,
776 picture_t *p_src, picture_t *p_dest )
779 VLC_UNUSED( p_intf );
781 if( !p_dest && !p_src ) return VLC_EGENERIC;
783 for( i = 0; i < p_src->i_planes ; i++ )
785 if( p_src->p[i].i_pitch == p_dest->p[i].i_pitch )
787 /* There are margins, but with the same width : perfect ! */
788 vlc_memcpy( p_dest->p[i].p_pixels, p_src->p[i].p_pixels,
789 p_src->p[i].i_pitch * p_src->p[i].i_visible_lines );
793 /* We need to proceed line by line */
794 uint8_t *p_in = p_src->p[i].p_pixels;
795 uint8_t *p_out = p_dest->p[i].p_pixels;
797 int i_x = i_x_offset * p_src->p[i].i_pixel_pitch;
798 int i_x_clip, i_y_clip;
800 /* Check boundaries, clip the image if necessary */
801 i_x_clip = ( i_x + p_src->p[i].i_visible_pitch ) - p_dest->p[i].i_visible_pitch;
802 i_x_clip = ( i_x_clip > 0 ) ? i_x_clip : 0;
804 i_y_clip = ( i_y_offset + p_src->p[i].i_visible_lines ) - p_dest->p[i].i_visible_lines;
805 i_y_clip = ( i_y_clip > 0 ) ? i_y_clip : 0;
806 #if defined(FBOSD_DEBUG)
807 msg_Dbg( p_intf, "i_pitch (%d,%d), (%d,%d)/(%d,%d)",
808 p_dest->p[i].i_visible_pitch, p_src->p[i].i_visible_pitch,
809 i_x_offset, i_y_offset, i_x, i_x_clip );
811 if( ( i_y_offset <= p_dest->p[i].i_visible_lines ) &&
812 ( i_x <= p_dest->p[i].i_visible_pitch ) )
816 p_out += ( i_y_offset * p_dest->p[i].i_pitch );
817 for( i_line = 0; i_line < ( p_src->p[i].i_visible_lines - i_y_clip ); i_line++ )
819 vlc_memcpy( p_out + i_x, p_in,
820 p_src->p[i].i_visible_pitch - i_x_clip );
821 p_in += p_src->p[i].i_pitch;
822 p_out += p_dest->p[i].i_pitch;
830 /*****************************************************************************
831 * RenderText - Render text to the desired picture format
832 *****************************************************************************/
833 static picture_t *RenderText( intf_thread_t *p_intf, const char *psz_string,
834 text_style_t *p_style, video_format_t *p_fmt )
836 intf_sys_t *p_sys = p_intf->p_sys;
837 subpicture_region_t *p_region;
838 picture_t *p_dest = NULL;
840 if( !psz_string ) return p_dest;
842 if( p_sys->p_text && p_sys->p_text->p_module )
846 memset( &fmt, 0, sizeof(fmt) );
847 fmt.i_chroma = VLC_CODEC_TEXT;
849 fmt.i_width = fmt.i_visible_width = 0;
850 fmt.i_height = fmt.i_visible_height = 0;
854 p_region = subpicture_region_New( &fmt );
858 p_region->psz_text = strdup( psz_string );
859 if( !p_region->psz_text )
861 subpicture_region_Delete( p_region );
864 p_region->p_style = text_style_Duplicate( p_style );
865 p_region->i_align = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
867 if( p_sys->p_text->pf_render_text )
869 video_format_t fmt_out;
871 memset( &fmt_out, 0, sizeof(video_format_t) );
873 p_sys->p_text->pf_render_text( p_sys->p_text,
874 p_region, p_region );
876 #if defined(FBOSD_BLENDING)
877 fmt_out = p_region->fmt;
878 fmt_out.i_bits_per_pixel = 32;
879 vlc_memcpy( p_fmt, &fmt_out, sizeof(video_format_t) );
881 /* FIXME not needed to copy the picture anymore no ? */
882 p_dest = AllocatePicture( VLC_OBJECT(p_intf), &fmt_out );
885 subpicture_region_Delete( p_region );
888 picture_Copy( p_dest, p_region->p_picture );
890 fmt_out.i_chroma = p_fmt->i_chroma;
891 p_dest = ConvertImage( p_intf, p_region->p_picture,
892 &p_region->fmt, &fmt_out );
894 subpicture_region_Delete( p_region );
897 subpicture_region_Delete( p_region );
902 /*****************************************************************************
903 * LoadImage: Load an image from file into a picture buffer.
904 *****************************************************************************/
905 static picture_t *LoadImage( intf_thread_t *p_intf, video_format_t *p_fmt,
908 picture_t *p_pic = NULL;
910 if( psz_file && p_intf->p_sys->p_image )
912 video_format_t fmt_in, fmt_out;
914 memset( &fmt_in, 0, sizeof(fmt_in) );
915 memset( &fmt_out, 0, sizeof(fmt_out) );
917 fmt_out.i_chroma = p_fmt->i_chroma;
918 p_pic = image_ReadUrl( p_intf->p_sys->p_image, psz_file,
921 msg_Dbg( p_intf, "image size %dx%d chroma %4.4s",
922 fmt_out.i_width, fmt_out.i_height,
923 (char *)&p_fmt->i_chroma );
928 #if ! defined(FBOSD_BLENDING)
929 /*****************************************************************************
930 * Convertmage: Convert image to another fourcc
931 *****************************************************************************/
932 static picture_t *ConvertImage( intf_thread_t *p_intf, picture_t *p_pic,
933 video_format_t *p_fmt_in, video_format_t *p_fmt_out )
935 intf_sys_t *p_sys = p_intf->p_sys;
936 picture_t *p_old = NULL;
940 p_old = image_Convert( p_sys->p_image, p_pic, p_fmt_in, p_fmt_out );
942 msg_Dbg( p_intf, "converted image size %dx%d chroma %4.4s",
943 p_fmt_out->i_width, p_fmt_out->i_height,
944 (char *)&p_fmt_out->i_chroma );
950 /*****************************************************************************
951 * Init: initialize framebuffer video thread output method
952 *****************************************************************************/
953 static int Init( intf_thread_t *p_intf )
955 intf_sys_t *p_sys = p_intf->p_sys;
957 /* Initialize the output structure: RGB with square pixels, whatever
958 * the input format is, since it's the only format we know */
959 switch( p_sys->var_info.bits_per_pixel )
961 case 8: /* FIXME: set the palette */
962 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB8; break;
964 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB15; break;
966 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB16; break;
968 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB24; break;
970 p_sys->fmt_out.i_chroma = VLC_CODEC_RGB32; break;
972 msg_Err( p_intf, "unknown screen depth %i",
973 p_sys->var_info.bits_per_pixel );
977 p_sys->fmt_out.i_bits_per_pixel = p_sys->var_info.bits_per_pixel;
978 p_sys->fmt_out.i_width = p_sys->i_width;
979 p_sys->fmt_out.i_height = p_sys->i_height;
981 /* Assume we have square pixels */
982 if( p_sys->i_aspect < 0 )
984 p_sys->fmt_out.i_aspect = ( p_sys->i_width
985 * VOUT_ASPECT_FACTOR ) / p_sys->i_height;
987 else p_sys->fmt_out.i_aspect = p_sys->i_aspect;
989 p_sys->fmt_out.i_sar_num = p_sys->fmt_out.i_sar_den = 1;
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 = config_GetPsz( 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 = utf8_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( p_sys->render[i].i_state != FBOSD_STATE_RESERVED )
1354 for( i = 0; i < FBOSD_RENDER_MAX; i++ )
1356 if( p_sys->render[i].i_state == FBOSD_STATE_FREE )
1359 if( p_sys->render[i].i_state != FBOSD_STATE_FREE )
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;