mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 11:25:10 +00:00
dca17b4044
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1519 b3059339-0415-0410-9bf9-f77b7e298cf2
539 lines
12 KiB
C
539 lines
12 KiB
C
/*
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* MPlayer
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*
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* Video driver for AAlib - alpha version
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*
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* by Folke Ashberg <folke@ashberg.de>
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*
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* Code started: Sun Aug 12 2001
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <math.h>
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#include <stdarg.h>
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#include <time.h>
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#include <string.h>
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#include "config.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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#include "yuv2rgb.h"
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#include "sub.h"
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#include "linux/keycodes.h"
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#include <aalib.h>
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#define RGB 0
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#define BGR 1
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#define DO_INC(val,max,step) if (val + step <=max) val+=step; else val=max;
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#define DO_DEC(val,min,step) if (val - step >=min) val-=step; else val=min;
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#define MESSAGE_DURATION 3
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#define MESSAGE_SIZE 512
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#define MESSAGE_DEKO " +++ %s +++ "
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LIBVO_EXTERN(aa)
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static vo_info_t vo_info = {
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"AAlib",
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"aa",
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"Folke Ashberg <folke@ashberg.de>",
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""
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};
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/* aa's main context we use */
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aa_context *c;
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aa_renderparams *p;
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static int fast =0;
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/* used for YV12 streams for the converted RGB image */
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uint8_t * convertbuf=NULL;
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/* image infos */
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static int image_format, bpp=24;
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static int image_width;
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static int image_height;
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static int bppmul;
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/* osd stuff */
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time_t stoposd = 0;
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static int showosd = 0;
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char osdtext[MESSAGE_SIZE];
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char posbar[MESSAGE_SIZE];
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static int osdx, osdy;
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/* for resizing/scaling */
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static int *stx;
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static int *sty;
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double accum;
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/* our version of the playmodes :) */
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static char * osdmodes[] ={ "|>", "||", ">>", "[]" , ">>" };
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extern void mplayer_put_key(int code);
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/* to disable stdout outputs when curses/linux mode */
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extern int quiet;
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/* config options */
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int aaopt_extended = 0;
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int aaopt_eight = 0;
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int aaopt_osdcolor = AA_SPECIAL;
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char *aaopt_driver = NULL;
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void
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resize(void){
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/*
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* this function is called by aa lib if windows resizes
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* further during init, because here we have to calculate
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* a little bit
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*/
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int i;
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aa_resize(c);
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showosd=0;
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osdy=aa_scrheight(c) - ( aa_scrheight(c)/10 );
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/* now calculating the needed values for resizing */
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/* We only need to use floating point to determine the correct
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stretch vector for one line's worth. */
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stx = (int *) malloc(sizeof(int) * image_width);
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sty = (int *) malloc(sizeof(int) * image_height);
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accum = 0;
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for (i=0; (i < image_width); i++) {
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int got;
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accum += (double)aa_imgwidth(c)/(double)image_width;
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got = (int) floor(accum);
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stx[i] = got;
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accum -= got;
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}
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accum = 0;
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for (i=0; (i < image_height); i++) {
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int got;
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accum += (double)aa_imgheight(c)/(double)image_height;
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got = (int) floor(accum);
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sty[i] = got;
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accum -= got;
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}
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}
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void
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osdmessage(int duration, int deko, char *fmt, ...)
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{
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/*
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* for outputting a centered string at the bottom
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* of our window for a while
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*/
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va_list ar;
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char m[MESSAGE_SIZE];
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va_start(ar, fmt);
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vsprintf(m, fmt, ar);
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va_end(ar);
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if (deko==1) sprintf(osdtext, MESSAGE_DEKO , m);
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else strcpy(osdtext, m);
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showosd=1;
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stoposd = time(NULL) + duration;
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osdx=(aa_scrwidth(c) / 2) - (strlen(osdtext) / 2 ) ;
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posbar[0]='\0';
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}
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void
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osdpercent(int duration, int deko, int min, int max, int val, char * desc, char * unit)
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{
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/*
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* prints a bar for setting values
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*/
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float step;
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int where;
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char m[MESSAGE_SIZE];
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int i;
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step=(float)aa_scrwidth(c) /(float)(max-min);
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where=(val-min)*step;
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sprintf(m,"%s: %i%s",desc, val, unit);
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if (deko==1) sprintf(osdtext, MESSAGE_DEKO , m);
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else strcpy(osdtext, m);
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posbar[0]='|';
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posbar[aa_scrwidth(c)-1]='|';
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for (i=0;i<aa_scrwidth(c);i++){
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if (i==where) posbar[i]='#';
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else posbar[i]='-';
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}
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if (where!=0) posbar[0]='|';
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if (where!=(aa_scrwidth(c)-1) ) posbar[aa_scrwidth(c)-1]='|';
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/* snipp */
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posbar[aa_scrwidth(c)]='\0';
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showosd=1;
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stoposd = time(NULL) + duration;
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osdx=(aa_scrwidth(c) / 2) - (strlen(osdtext) / 2 ) ;
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}
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static uint32_t
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init(uint32_t width, uint32_t height, uint32_t d_width,
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uint32_t d_height, uint32_t fullscreen, char *title,
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uint32_t format) {
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/*
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* main init
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* called by mplayer
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*/
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switch(format) {
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case IMGFMT_BGR24:
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bpp = 24;
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break;
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case IMGFMT_RGB24:
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bpp = 24;
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break;
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case IMGFMT_YV12:
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bpp = 24;
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/* YUV ? then initialize what we will need */
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convertbuf=malloc(width*height*3);
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yuv2rgb_init(24,MODE_BGR);
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break;
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default:
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return 1;
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}
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bppmul=bpp/8;
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/* initializing of aalib */
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aa_recommendhidisplay("curses");
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aa_recommendhidisplay("X11");
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aa_recommendlowdisplay("linux");
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/* options ? */
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if (aaopt_eight) aa_defparams.supported|=AA_EIGHT;
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if (aaopt_extended && !aaopt_eight) aa_defparams.supported|=AA_EXTENDED;
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if (aaopt_driver!=NULL){
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aa_recommendhidisplay(aaopt_driver);
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}
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c = aa_autoinit(&aa_defparams);
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aa_resizehandler(c, (void *)resize);
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if (c == NULL) {
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printf("Can not intialize aalib\n");
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return 0;
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}
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if (!aa_autoinitkbd(c,0)) {
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printf("Can not intialize keyboard\n");
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aa_close(c);
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return 0;
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}
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/*
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if (!aa_autoinitmouse(c,0)) {
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printf("Can not intialize mouse\n");
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aa_close(c);
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return 0;
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}
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*/
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aa_hidecursor(c);
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p = aa_getrenderparams();
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if ((strstr(c->driver->name,"curses")) || (strstr(c->driver->name,"linux"))){
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freopen("/dev/null", "w", stderr);
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quiet=1; /* disable mplayer outputs */
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}
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image_height = height;
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image_width = width;
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image_format = format;
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/* needed by prepare_image */
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stx = (int *) malloc(sizeof(int) * image_width);
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sty = (int *) malloc(sizeof(int) * image_height);
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/* nothing will change its size, be we need some values initialized */
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resize();
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/* say hello */
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osdmessage(5, 1, "Welcome to ASCII ARTS MPlayer");
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printf("VO: screendriver: %s\n", c->driver->name);
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printf("VO: keyboarddriver: %s\n", c->kbddriver->name);
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//printf("VO: mousedriver: %s\n", c->mousedriver->name);
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printf(
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"\n"
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"Options\n"
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"\t-aaosdfont 0=normal, 1=dark, 2=bold, 3-boldfont, 4=reverse, 5=special\n"
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"\t-aaextended use use all 256 characters\n"
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"\t-aaeight use eight bit ascii\n"
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"\n"
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"AA-MPlayer Keys:\n"
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"\t1 : fast rendering\n"
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"\t2 : dithering\n"
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"\t3 : invert image\n"
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"\t4 : contrast -\n"
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"\t5 : contrast +\n"
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"\t6 : brightness -\n"
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"\t7 : brightness +\n"
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"\n"
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"All other keys are MPlayer standart\n"
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);
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return 0;
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}
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static uint32_t
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query_format(uint32_t format) {
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/*
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* ...are we able to... ?
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* called by mplayer
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*/
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switch(format){
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case IMGFMT_YV12:
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case IMGFMT_RGB|24:
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case IMGFMT_BGR|24:
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return 1;
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}
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return 0;
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}
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static const vo_info_t*
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get_info(void) {
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/* who i am? */
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return (&vo_info);
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}
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int
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prepare_image(uint8_t *data, int inx, int iny, int outx, int outy){
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/*
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* copies an RGB-Image to the aalib imagebuffer
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* also scaling an grayscaling is done here
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* show_image calls us
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*/
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int value;
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int x, y;
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int tox, toy;
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int ydest;
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int i;
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int pos;
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toy = 0;
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for (y=0; (y < (0 + iny)); y++) {
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for (ydest=0; (ydest < sty[y-0]); ydest++) {
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tox = 0;
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for (x=0; (x < (0 + inx)); x++) {
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if (!stx[x - 0]) {
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continue;
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}
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pos=3*(inx*y)+(3*x);
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value=(data[pos]+data[pos+1]+data[pos+2])/3;
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for (i=0; (i < stx[x - 0]); i++) {
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//printf("ToX: %i, ToY %i, i=%i, stx=%i, x=%i\n", tox, toy, i, stx[x], x);
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c->imagebuffer[(toy*outx) +tox]=value;
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tox++;
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}
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}
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toy++;
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}
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}
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return 0;
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}
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void
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printosd()
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{
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/*
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* places the mplayer status osd
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*/
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if (vo_osd_text){
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if (vo_osd_text[0]-1<=5)
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aa_puts(c, 0,0, aaopt_osdcolor, osdmodes[vo_osd_text[0]-1]);
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else aa_puts(c, 0,0, aaopt_osdcolor, "?");
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aa_puts(c,2,0, aaopt_osdcolor, vo_osd_text+1);
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aa_puts(c,strlen(vo_osd_text)+1,0, aaopt_osdcolor, " ");
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}
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}
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void
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show_image(uint8_t * src){
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/*
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* every frame (flip_page/draw_frame) we will be called
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*/
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/* events? */
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check_events();
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/* RGB->gray , scaling/resizing, stores data in aalib imgbuf */
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prepare_image( src, image_width, image_height,
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aa_imgwidth(c), aa_imgheight(c) );
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/* Now 'ASCIInate' the image */
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if (fast)
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aa_fastrender(c, 0, 0, aa_scrwidth(c), aa_scrheight(c) );
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else
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aa_render(c, p, 0, 0, aa_scrwidth(c), aa_scrheight(c));
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/* do we have to put our osd to aa's txtbuf ? */
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if (showosd)
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{
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if (time(NULL)>=stoposd ) showosd=0;
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/* update osd */
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aa_puts(c, osdx, osdy, AA_SPECIAL, osdtext);
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/* posbar? */
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if (posbar[0]!='\0')
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aa_puts(c, 0, osdy + 1, AA_SPECIAL, posbar);
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}
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/* and the real OSD, but only the time & playmode */
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printosd();
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/* print out */
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aa_flush(c);
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}
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static uint32_t
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draw_frame(uint8_t *src[]) {
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/*
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* RGB-Video's Only
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* src[0] is handled bu prepare_image
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*/
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show_image(src[0]);
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return 0;
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}
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static uint32_t
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draw_slice(uint8_t *src[], int stride[],
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int w, int h, int x, int y) {
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/*
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* for MPGEGS YV12
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* draw a rectangle converted to RGB to a
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* temporary RGB Buffer
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*/
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uint8_t *dst;
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dst = convertbuf+(image_width * y + x) * 3;
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yuv2rgb(dst,src[0],src[1],src[2],w,h,image_width*3,stride[0],stride[1]);
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return 0;
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}
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static void
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flip_page(void) {
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/*
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* wow! another ready Image, so draw it !
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*/
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if(image_format == IMGFMT_YV12)
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show_image(convertbuf);
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}
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static void
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check_events(void) {
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/*
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* any events?
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* called by show_image and mplayer
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*/
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int key;
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while ((key=aa_getevent(c,0))!=AA_NONE ){
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if (key>255){
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/* some conversations */
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switch (key) {
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case AA_UP:
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mplayer_put_key(KEY_UP);
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break;
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case AA_DOWN:
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mplayer_put_key(KEY_DOWN);
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break;
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case AA_LEFT:
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mplayer_put_key(KEY_LEFT);
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break;
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case AA_RIGHT:
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mplayer_put_key(KEY_RIGHT);
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break;
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case AA_ESC:
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mplayer_put_key(KEY_ESC);
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break;
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case 65765:
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mplayer_put_key(KEY_PAGE_UP);
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break;
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case 65766:
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mplayer_put_key(KEY_PAGE_DOWN);
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break;
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default:
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continue; /* aa lib special key */
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break;
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}
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}
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switch (key) {
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/* AA image controls */
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case '1':
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fast=!fast;
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osdmessage(MESSAGE_DURATION, 1, "Fast mode is now %s", fast==1 ? "on" : "off");
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break;
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case '2':
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if (p->dither==AA_FLOYD_S){
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p->dither=AA_NONE;
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osdmessage(MESSAGE_DURATION, 1, "Dithering: Off");
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}else if (p->dither==AA_NONE){
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p->dither=AA_ERRORDISTRIB;
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osdmessage(MESSAGE_DURATION, 1, "Dithering: Error Distribution");
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}else if (p->dither==AA_ERRORDISTRIB){
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p->dither=AA_FLOYD_S;
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osdmessage(MESSAGE_DURATION, 1, "Dithering: Floyd Steinberg");
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}
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break;
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case '3':
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p->inversion=!p->inversion;
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osdmessage(MESSAGE_DURATION, 1, "Invert mode is now %s",
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p->inversion==1 ? "on" : "off");
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break;
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case '4': /* contrast */
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DO_DEC(p->contrast,0,1);
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osdpercent(MESSAGE_DURATION, 1, 0, 255, p->contrast, "AA-Contrast", "");
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break;
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case '5': /* contrast */
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DO_INC(p->contrast,255,1);
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osdpercent(MESSAGE_DURATION, 1, 0, 255, p->contrast, "AA-Contrast", "");
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break;
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case '6': /* brightness */
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DO_DEC(p->bright,0,1);
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osdpercent(MESSAGE_DURATION, 1, 0, 255, p->bright, "AA-Brightnes", "");
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break;
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case '7': /* brightness */
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DO_INC(p->bright,255,1);
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osdpercent(MESSAGE_DURATION, 1, 0, 255, p->bright, "AA-Brightnes", "");
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break;
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default :
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/* nothing if we're interested in?
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* the mplayer should handle it!
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*/
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mplayer_put_key(key);
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break;
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}
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}
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}
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static void
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uninit(void) {
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/*
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* THE END
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*/
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aa_close(c);
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free(stx);
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free(sty);
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if (convertbuf!=NULL) free(convertbuf);
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if (strstr(c->driver->name,"curses") || strstr(c->driver->name,"libux")){
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freopen("/dev/tty", "w", stderr);
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quiet=0; /* enable mplayer outputs */
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}
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}
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static void
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draw_osd(void){
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}
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