2 * video output driver for AAlib
4 * copyright (c) 2001 Folke Ashberg <folke@ashberg.de>
6 * This file is part of MPlayer.
8 * MPlayer is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * MPlayer is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
37 #include "video_out.h"
38 #include "video_out_internal.h"
40 #include "libswscale/swscale.h"
41 #include "libmpcodecs/vf_scale.h"
42 #include "font_load.h"
45 #include "osdep/keycodes.h"
47 #include "subopt-helper.h"
53 #define MESSAGE_DURATION 3
54 #define MESSAGE_SIZE 512
55 #define MESSAGE_DEKO " +++ %s +++ "
57 static const vo_info_t info
= {
60 "Alban Bedel <albeu@free.fr> and Folke Ashberg <folke@ashberg.de>",
64 const LIBVO_EXTERN(aa
)
66 /* aa's main context we use */
70 /* used for the sws */
71 static uint8_t * image
[MP_MAX_PLANES
];
72 static int image_stride
[MP_MAX_PLANES
];
75 static int image_format
;
76 static int image_width
;
77 static int image_height
;
78 static int image_x
, image_y
;
79 static int screen_x
, screen_y
;
80 static int screen_w
, screen_h
;
82 static int src_height
;
86 static int showosdmessage
= 0;
87 char osdmessagetext
[MESSAGE_SIZE
];
88 char posbar
[MESSAGE_SIZE
];
89 static int osdx
, osdy
;
90 static int osd_text_length
= 0;
92 font_desc_t
* vo_font_save
= NULL
;
93 static struct SwsContext
*sws
=NULL
;
96 int aaopt_osdcolor
= AA_SPECIAL
;
97 int aaopt_subcolor
= AA_SPECIAL
;
99 static unsigned char vo_osd_text
[64];
104 * this function is called by aa lib if windows resizes
105 * further during init, because here we have to calculate
111 aspect_save_screenres(aa_imgwidth(c
),aa_imgheight(c
));
112 image_height
= aa_imgheight(c
); //src_height;
113 image_width
= aa_imgwidth(c
); //src_width;
115 aspect(&image_width
,&image_height
,A_ZOOM
);
117 image_x
= (aa_imgwidth(c
) - image_width
) / 2;
118 image_y
= (aa_imgheight(c
) - image_height
) / 2;
119 screen_w
= image_width
* aa_scrwidth(c
) / aa_imgwidth(c
);
120 screen_h
= image_height
* aa_scrheight(c
) / aa_imgheight(c
);
121 screen_x
= (aa_scrwidth(c
) - screen_w
) / 2;
122 screen_y
= (aa_scrheight(c
) - screen_h
) / 2;
124 if(sws
) sws_freeContext(sws
);
125 sws
= sws_getContextFromCmdLine(src_width
,src_height
,image_format
,
126 image_width
,image_height
,IMGFMT_Y8
);
128 memset(image
, 0, sizeof(image
));
129 image
[0] = aa_image(c
) + image_y
* aa_imgwidth(c
) + image_x
;
131 memset(image_stride
, 0, sizeof(image_stride
));
132 image_stride
[0] = aa_imgwidth(c
);
139 osdmessage(int duration
, int deko
, const char *fmt
, ...)
142 * for outputting a centered string at the bottom
143 * of our window for a while
146 char m
[MESSAGE_SIZE
];
147 unsigned int old_len
= strlen(osdmessagetext
);
150 vsprintf(m
, fmt
, ar
);
152 if (deko
==1) sprintf(osdmessagetext
, MESSAGE_DEKO
, m
);
153 else strcpy(osdmessagetext
, m
);
155 if(old_len
> strlen(osdmessagetext
)) {
156 memset(c
->textbuffer
+ osdy
* aa_scrwidth(c
) + osdx
,' ',old_len
);
157 memset(c
->attrbuffer
+ osdy
* aa_scrwidth(c
) + osdx
,0,old_len
);
160 stoposd
= time(NULL
) + duration
;
161 osdx
=(aa_scrwidth(c
) / 2) - (strlen(osdmessagetext
) / 2 ) ;
166 osdpercent(int duration
, int deko
, int min
, int max
, int val
, const char * desc
, const char * unit
)
169 * prints a bar for setting values
176 step
=(float)aa_scrwidth(c
) /(float)(max
-min
);
177 where
=(val
-min
)*step
;
178 osdmessage(duration
,deko
,"%s: %i%s",desc
, val
, unit
);
180 posbar
[aa_scrwidth(c
)-1]='|';
181 for (i
=0;i
<aa_scrwidth(c
);i
++){
182 if (i
==where
) posbar
[i
]='#';
185 if (where
!=0) posbar
[0]='|';
186 if (where
!=(aa_scrwidth(c
)-1) ) posbar
[aa_scrwidth(c
)-1]='|';
188 posbar
[aa_scrwidth(c
)]='\0';
196 * places the mplayer status osd
198 if (vo_osd_text
[0] != 0) {
200 if(vo_osd_text
[0] < 32) {
201 len
= strlen(sub_osd_names_short
[vo_osd_text
[0]]) + strlen(vo_osd_text
+1) + 2;
202 aa_printf(c
, 0, 0 , aaopt_osdcolor
, "%s %s ", sub_osd_names_short
[vo_osd_text
[0]], vo_osd_text
+1);
204 len
= strlen(vo_osd_text
) + 1;
205 aa_printf(c
, 0, 0 , aaopt_osdcolor
, "%s ",vo_osd_text
);
208 if(len
< osd_text_length
) {
209 memset(c
->textbuffer
+ len
,' ',osd_text_length
- len
);
210 memset(c
->attrbuffer
+ len
,0,osd_text_length
- len
);
212 osd_text_length
= len
;
218 printosdprogbar(void){
219 /* print mplayer osd-progbar */
220 if (vo_osd_progbar_type
!=-1){
221 osdpercent(1,1,0,255,vo_osd_progbar_value
, sub_osd_names
[vo_osd_progbar_type
], "");
225 config(uint32_t width
, uint32_t height
, uint32_t d_width
,
226 uint32_t d_height
, uint32_t flags
, char *title
,
235 aspect_save_orig(width
,height
);
236 aspect_save_prescale(d_width
,d_height
);
240 image_format
= format
;
242 /* nothing will change its size, be we need some values initialized */
245 /* now init our own 'font' */
246 if(!vo_font_save
) vo_font_save
= vo_font
;
247 if(vo_font
== vo_font_save
) {
248 vo_font
=malloc(sizeof(font_desc_t
));//if(!desc) return NULL;
249 memset(vo_font
,0,sizeof(font_desc_t
));
250 vo_font
->pic_a
[0]=malloc(sizeof(raw_file
));
251 memset(vo_font
->pic_a
[0],0,sizeof(raw_file
));
252 vo_font
->pic_b
[0]=malloc(sizeof(raw_file
));
253 memset(vo_font
->pic_b
[0],0,sizeof(raw_file
));
255 #ifdef CONFIG_FREETYPE
256 vo_font
->dynamic
= 0;
259 vo_font
->spacewidth
=1;
260 vo_font
->charspace
=0;
262 vo_font
->pic_a
[0]->bmp
=malloc(255);
263 vo_font
->pic_a
[0]->pal
=NULL
;
264 vo_font
->pic_b
[0]->bmp
=malloc(255);
265 vo_font
->pic_b
[0]->pal
=NULL
;
266 vo_font
->pic_a
[0]->w
=1;
267 vo_font
->pic_a
[0]->h
=1;
268 for (i
=0; i
<255; i
++){
272 vo_font
->pic_a
[0]->bmp
[i
]=i
;
273 vo_font
->pic_b
[0]->bmp
[i
]=i
;
278 osdmessage(5, 1, "Welcome to ASCII ART MPlayer");
280 mp_msg(MSGT_VO
,MSGL_V
,"VO: [aa] screendriver: %s\n", c
->driver
->name
);
281 mp_msg(MSGT_VO
,MSGL_V
,"VO: [aa] keyboarddriver: %s\n", c
->kbddriver
->name
);
283 mp_msg(MSGT_VO
,MSGL_INFO
,
285 "Important suboptions\n"
286 "\textended use use all 256 characters\n"
287 "\teight use eight bit ascii\n"
288 "\tdriver set recommended aalib driver (X11,curses,linux)\n"
289 "\thelp to see all options provided by aalib\n"
294 "\t3 : brightness -\n"
295 "\t4 : brightness +\n"
296 "\t5 : fast rendering\n"
298 "\t7 : invert image\n"
299 "\ta : toggles between aa and mplayer control\n"
302 "All other keys are MPlayer defaults.\n"
311 query_format(uint32_t format
) {
313 * ...are we able to... ?
315 * All input format supported by the sws
330 return VFCAP_CSP_SUPPORTED
| VFCAP_SWSCALE
| VFCAP_OSD
;
336 draw_frame(uint8_t *src
[]) {
337 int stride
[MP_MAX_PLANES
] = {0};
339 switch(image_format
) {
342 stride
[0] = src_width
*2;
346 stride
[0] = src_width
*3;
349 stride
[0] = src_width
*4;
353 sws_scale_ordered(sws
,src
,stride
,0,src_height
,image
,image_stride
);
355 /* Now 'ASCIInate' the image */
357 aa_fastrender(c
, screen_x
, screen_y
, screen_w
+ screen_x
, screen_h
+ screen_y
);
359 aa_render(c
, p
,screen_x
, screen_y
, screen_w
+ screen_x
, screen_h
+ screen_y
);
365 draw_slice(uint8_t *src
[], int stride
[],
366 int w
, int h
, int x
, int y
) {
368 int dx1
= screen_x
+ (x
* screen_w
/ src_width
);
369 int dy1
= screen_y
+ (y
* screen_h
/ src_height
);
370 int dx2
= screen_x
+ ((x
+w
) * screen_w
/ src_width
);
371 int dy2
= screen_y
+ ((y
+h
) * screen_h
/ src_height
);
373 sws_scale_ordered(sws
,src
,stride
,y
,h
,image
,image_stride
);
375 /* Now 'ASCIInate' the image */
377 aa_fastrender(c
, dx1
, dy1
, dx2
, dy2
);
379 aa_render(c
, p
,dx1
, dy1
, dx2
, dy2
);
388 /* do we have to put *our* (messages, progbar) osd to aa's txtbuf ? */
391 if (time(NULL
)>=stoposd
) {
393 if(*osdmessagetext
) {
394 memset(c
->textbuffer
+ osdy
* aa_scrwidth(c
) + osdx
,' ',strlen(osdmessagetext
));
395 memset(c
->attrbuffer
+ osdy
* aa_scrwidth(c
) + osdx
,0,strlen(osdmessagetext
));
396 osdmessagetext
[0] = '\0';
399 memset(c
->textbuffer
+ (osdy
+1) * aa_scrwidth(c
),' ',strlen(posbar
));
400 memset(c
->attrbuffer
+ (osdy
+1) * aa_scrwidth(c
),0,strlen(posbar
));
404 aa_puts(c
, osdx
, osdy
, AA_SPECIAL
, osdmessagetext
);
407 aa_puts(c
, 0, osdy
+ 1, AA_SPECIAL
, posbar
);
410 /* OSD time & playmode , subtitles */
422 * called by show_image and mplayer
425 while ((key
=aa_getevent(c
,0))!=AA_NONE
){
427 /* some conversations */
430 mplayer_put_key(KEY_UP
);
433 mplayer_put_key(KEY_DOWN
);
436 mplayer_put_key(KEY_LEFT
);
439 mplayer_put_key(KEY_RIGHT
);
442 mplayer_put_key(KEY_ESC
);
445 mplayer_put_key(KEY_PAGE_UP
);
448 mplayer_put_key(KEY_PAGE_DOWN
);
451 continue; /* aa lib special key */
455 if (key
=='a' || key
=='A'){
456 aaconfigmode
=!aaconfigmode
;
457 osdmessage(MESSAGE_DURATION
, 1, "aa config mode is now %s",
458 aaconfigmode
==1 ? "on. use keys 5-7" : "off");
460 if (aaconfigmode
==1) {
462 /* AA image controls */
465 osdmessage(MESSAGE_DURATION
, 1, "Fast mode is now %s", fast
==1 ? "on" : "off");
468 if (p
->dither
==AA_FLOYD_S
){
470 osdmessage(MESSAGE_DURATION
, 1, "Dithering: Off");
471 }else if (p
->dither
==AA_NONE
){
472 p
->dither
=AA_ERRORDISTRIB
;
473 osdmessage(MESSAGE_DURATION
, 1, "Dithering: Error Distribution");
474 }else if (p
->dither
==AA_ERRORDISTRIB
){
475 p
->dither
=AA_FLOYD_S
;
476 osdmessage(MESSAGE_DURATION
, 1, "Dithering: Floyd Steinberg");
480 p
->inversion
=!p
->inversion
;
481 osdmessage(MESSAGE_DURATION
, 1, "Invert mode is now %s",
482 p
->inversion
==1 ? "on" : "off");
486 /* nothing if we're interested in?
487 * the mplayer should handle it!
489 mplayer_put_key(key
);
493 else mplayer_put_key(key
);
503 if (strstr(c
->driver
->name
,"Curses") || strstr(c
->driver
->name
,"Linux")){
504 freopen("/dev/tty", "w", stderr
);
507 free(vo_font
->pic_a
[0]->bmp
);
508 free(vo_font
->pic_a
[0]);
509 free(vo_font
->pic_b
[0]->bmp
);
510 free(vo_font
->pic_b
[0]);
512 vo_font
= vo_font_save
;
518 static void draw_alpha(int x
,int y
, int w
,int h
, unsigned char* src
, unsigned char *srca
, int stride
){
520 for (i
= 0; i
< h
; i
++) {
521 for (j
= 0; j
< w
; j
++) {
522 if (src
[i
*stride
+j
] > 0) {
523 c
->textbuffer
[x
+ j
+ (y
+i
)*aa_scrwidth(c
)] = src
[i
*stride
+j
];
524 c
->attrbuffer
[x
+ j
+ (y
+i
)*aa_scrwidth(c
)] = aaopt_subcolor
;
530 static void clear_alpha(int x0
,int y0
, int w
,int h
) {
533 for(l
= 0 ; l
< h
; l
++) {
534 memset(c
->textbuffer
+ (y0
+ l
) * aa_scrwidth(c
) + x0
,' ',w
);
535 memset(c
->attrbuffer
+ (y0
+ l
) * aa_scrwidth(c
) + x0
,0,w
);
542 char vo_osd_text_save
;
543 int vo_osd_progbar_type_save
;
546 /* let vo_draw_text only write subtitle */
547 vo_osd_text_save
= global_osd
->osd_text
[0];
548 global_osd
->osd_text
[0] = 0;
549 vo_osd_progbar_type_save
=vo_osd_progbar_type
;
550 vo_osd_progbar_type
=-1;
551 vo_remove_text(aa_scrwidth(c
), aa_scrheight(c
),clear_alpha
);
552 vo_draw_text(aa_scrwidth(c
), aa_scrheight(c
), draw_alpha
);
553 global_osd
->osd_text
[0] = vo_osd_text_save
;
554 vo_osd_progbar_type
=vo_osd_progbar_type_save
;
561 if (s
==NULL
) return -1;
562 i
=strtol(s
, &rest
, 10);
563 if ((rest
==NULL
|| strlen(rest
)==0) && i
>=0 && i
<=5) return i
;
564 if (!strcasecmp(s
, "normal")) return AA_NORMAL
;
565 else if (!strcasecmp(s
, "dim")) return AA_DIM
;
566 else if (!strcasecmp(s
, "bold")) return AA_BOLD
;
567 else if (!strcasecmp(s
, "boldfont")) return AA_BOLDFONT
;
568 else if (!strcasecmp(s
, "special")) return AA_SPECIAL
;
572 static int parse_suboptions(const char *arg
) {
573 char *pseudoargv
[4], *osdcolor
= NULL
, *subcolor
= NULL
, **strings
,
575 int pseudoargc
, displayhelp
= 0, *booleans
;
576 const opt_t extra_opts
[] = {
577 {"osdcolor", OPT_ARG_MSTRZ
, &osdcolor
, NULL
},
578 {"subcolor", OPT_ARG_MSTRZ
, &subcolor
, NULL
},
579 {"help", OPT_ARG_BOOL
, &displayhelp
, NULL
} };
580 opt_t
*subopts
= NULL
, *p
;
581 char * const strings_list
[] = {"-driver", "-kbddriver", "-mousedriver", "-font",
582 "-width", "-height", "-minwidth", "-minheight", "-maxwidth",
583 "-maxheight", "-recwidth", "-recheight", "-bright", "-contrast",
584 "-gamma", "-dimmul", "-boldmul", "-random" };
585 char * const booleans_list
[] = {"-dim", "-bold", "-reverse", "-normal",
586 "-boldfont", "-inverse", "-extended", "-eight", "-dither",
587 "-floyd_steinberg", "-error_distribution"};
588 char * const nobooleans_list
[] = {"-nodim", "-nobold", "-noreverse", "-nonormal",
589 "-noboldfont", "-noinverse", "-noextended", "-noeight", "-nodither",
590 "-nofloyd_steinberg", "-noerror_distribution"};
591 const int nstrings
= sizeof(strings_list
) / sizeof(char*);
592 const int nbooleans
= sizeof(booleans_list
) / sizeof(char*);
593 const int nextra_opts
= sizeof(extra_opts
) / sizeof(opt_t
);
594 const int nsubopts
= nstrings
+ nbooleans
+ nextra_opts
;
597 subopts
= calloc(nsubopts
+ 1, sizeof(opt_t
));
598 strings
= calloc(nstrings
, sizeof(char*));
599 booleans
= calloc(nbooleans
, sizeof(int));
602 for (i
=0; i
<nstrings
; i
++, p
++) {
603 p
->name
= strings_list
[i
] + 1; // skip '-'
604 p
->type
= OPT_ARG_MSTRZ
;
605 p
->valp
= &strings
[i
];
607 for (i
=0; i
<nbooleans
; i
++, p
++) {
608 p
->name
= booleans_list
[i
] + 1;
609 p
->type
= OPT_ARG_BOOL
;
610 p
->valp
= &booleans
[i
];
612 memcpy(p
, extra_opts
, sizeof(extra_opts
));
614 retval
= subopt_parse(arg
, subopts
);
616 if (retval
== 0 && displayhelp
) {
617 helpmsg
= strdup(aa_help
);
618 for (i
=0; i
<(signed)strlen(helpmsg
); i
++)
619 if (helpmsg
[i
] == '-') helpmsg
[i
] = ' ';
620 mp_tmsg(MSGT_VO
, MSGL_INFO
, "\n\nHere are the aalib vo_aa suboptions:\n");
621 mp_msg(MSGT_VO
, MSGL_INFO
, "%s\n\n", helpmsg
);
622 #define VO_AA_AdditionalOptions _("Additional options vo_aa provides:\n" \
623 " help print this help message\n" \
624 " osdcolor set OSD color\n subcolor set subtitle color\n" \
625 " the color parameters are:\n 0 : normal\n" \
626 " 1 : dim\n 2 : bold\n 3 : boldfont\n" \
627 " 4 : reverse\n 5 : special\n\n\n")
629 mp_tmsg(MSGT_VO
, MSGL_INFO
, VO_AA_AdditionalOptions
);
633 pseudoargv
[3] = NULL
;
634 for (i
=0; i
<nstrings
; i
++) {
635 pseudoargc
= 3; // inside loop because aalib changes it
636 if (strings
[i
] != NULL
) {
637 pseudoargv
[1] = strings_list
[i
];
638 pseudoargv
[2] = strings
[i
];
639 aa_parseoptions(&aa_defparams
, &aa_defrenderparams
,
640 &pseudoargc
, pseudoargv
);
643 pseudoargv
[2] = NULL
;
644 for (i
=0; i
<nbooleans
; i
++) {
646 if (booleans
[i
]) pseudoargv
[1] = booleans_list
[i
];
647 else pseudoargv
[1] = nobooleans_list
[i
];
648 aa_parseoptions(&aa_defparams
, &aa_defrenderparams
,
649 &pseudoargc
, pseudoargv
);
651 if (osdcolor
) aaopt_osdcolor
= getcolor(osdcolor
);
652 if (subcolor
) aaopt_subcolor
= getcolor(subcolor
);
655 if (subopts
) free(subopts
);
656 if (booleans
) free(booleans
);
658 for (i
=0; i
<nstrings
; i
++)
663 if (osdcolor
) free(osdcolor
);
664 if (subcolor
) free(subcolor
);
665 if (helpmsg
) free(helpmsg
);
669 static int preinit(const char *arg
)
673 int fd
, vt
, major
, minor
;
679 if (parse_suboptions(arg
) != 0)
683 /* initializing of aalib */
685 hidis
=aa_getfirst(&aa_displayrecommended
);
687 /* check /dev/vcsa<vt> */
688 /* check only, if no driver is explicit set */
689 fd
= dup (fileno (stderr
));
691 major
= sbuf
.st_rdev
>> 8;
692 vt
= minor
= sbuf
.st_rdev
& 0xff;
694 sprintf (fname
, "/dev/vcsa%2.2i", vt
);
695 fp
= fopen (fname
, "w+");
697 fprintf(stderr
,"VO: [aa] cannot open %s for writing,"
698 "so we'll not use linux driver\n", fname
);
699 aa_recommendlowdisplay("linux");
700 aa_recommendhidisplay("curses");
701 aa_recommendhidisplay("X11");
703 } else aa_recommendhidisplay(hidis
);
704 c
= aa_autoinit(&aa_defparams
);
707 mp_msg(MSGT_VO
,MSGL_ERR
,"Cannot initialize aalib\n");
710 if (!aa_autoinitkbd(c
,0)) {
711 mp_msg(MSGT_VO
,MSGL_ERR
,"Cannot initialize keyboard\n");
716 aa_resizehandler(c
, (void *)resize
);
718 p
= aa_getrenderparams();
720 if ((strstr(c
->driver
->name
,"Curses")) || (strstr(c
->driver
->name
,"Linux"))){
721 freopen("/dev/null", "w", stderr
);
722 /* disable console blanking */
726 memset(image
,0,3*sizeof(uint8_t));
727 osdmessagetext
[0] = '\0';
733 static int control(uint32_t request
, void *data
)
736 case VOCTRL_QUERY_FORMAT
:
737 return query_format(*((uint32_t*)data
));
738 case VOCTRL_SET_EQUALIZER
: {
739 struct voctrl_set_equalizer_args
*args
= data
;
740 if (strcmp(args
->name
, "contrast") == 0)
741 p
->contrast
= (args
->value
+ 100) * 64 / 100;
742 else if (strcmp(args
->name
, "brightness") == 0)
743 p
->bright
= (args
->value
+ 100) * 128 / 100;
746 case VOCTRL_GET_EQUALIZER
: {
747 struct voctrl_get_equalizer_args
*args
= data
;
749 if (strcmp(args
->name
, "contrast") == 0)
750 *args
->valueptr
= (p
->contrast
- 64) * 100 / 64;
751 else if (strcmp(args
->name
, "brightness") == 0)
752 *args
->valueptr
= (p
->bright
- 128) * 100 / 128;