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/*

 * Project: HARTIK (HA-rd R-eal TI-me K-ernel)

 *

 * Coordinators: Giorgio Buttazzo <giorgio@sssup.it>

 *               Gerardo Lamastra <gerardo@sssup.it>

 *

 * Authors     : Luca Abeni <luca@hartik.sssup.it>

 *               Massimiliano Giorgi <massy@hartik.sssup.it>

 * (see authors.txt for full list of hartik's authors)

 *

 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)

 *

 * http://www.sssup.it

 * http://retis.sssup.it

 * http://hartik.sssup.it

 */

/*

 * Copyright (C) 1999 Luca Abeni and Massimiliano Giorgi

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 */

/*

 * CVS :        $Id: mplay.c,v 1.2 2003-01-07 17:10:17 pj Exp $

 *

 * File:        $File$

 * Revision:    $Revision: 1.2 $

 * Last update: $Date: 2003-01-07 17:10:17 $

 */

#include <ll/sys/types.h>

#include <kernel/func.h>

#include <kernel/const.h>

//#include <hartik.h>

#include <drivers/keyb.h>

#include <stdlib.h>

#include <stdio.h>

//#include <xdos.h>

#include <drivers/glib.h>

#include "mpeg/video.h"

/*#include "proto.h"*/

#include "mpeg/util.h"

#include "mpeg/dither.h"

#include "mpeg/mpeg.h"

#include <drivers/keyb.h>

void ctrlc_exit(KEY_EVT *k)

{

  extern void dump_sem_table(void);

  extern void dump_nop_table(void);

  grx_close();

  cprintf("CTRL-C pressed!\n");

  grx_modeinfo();

  sys_end();

}

#include <fs/bdevinit.h>

#include <fs/fsinit.h>

#include <fs/bdev.h>

#include <sys/types.h>

#include <sys/mount.h>

int __register_sub_init_prologue(void)

{

  return 0;

}

int __register_sub_init(void)

{

  return 0;

}

dev_t root_device;

int choose_root_callback(dev_t dev,u_int8_t fs)

{

  if (fs==FS_MSDOS) return dev;

  return -1;

}

int __bdev_sub_init(void)

{

  BDEV_PARMS bdev=BASE_BDEV;

  bdev_def_showinfo(bdev,TRUE);

  bdev_init(&bdev);

  root_device=bdev_scan_devices(choose_root_callback);

  if (root_device<0) {

    cprintf("can't find root device to mount on /!!!\n");

    sys_end();

    return -1;

  }

  return 0;

}

extern int libc_initialize(void);

int __fs_sub_init(void)

{

  FILESYSTEM_PARMS fs=BASE_FILESYSTEM;

  //struct mount_opts opts;

  //memset(&opts,0,sizeof(struct mount_opts));

  //opts.flags=MOUNT_FLAG_RW;

  filesystem_def_rootdevice(fs,root_device);

  filesystem_def_fs(fs,FS_MSDOS);

  filesystem_def_showinfo(fs,TRUE);

  filesystem_init(&fs);

  libc_initialize();

  return 0;

}

int x_fseek(FILE *file, long where, int from)

{

  return fseek(file,where,from);

}

size_t x_fread(void *buffer, size_t size, size_t n, FILE *file)

{

  return fread(buffer,size,n,file);

}

TIME ttt;

DWORD n;

///* #define GPHBDIM 4097152 */

//#define GPHBDIM 1000000

//BYTE   gphb[GPHBDIM];           /*  Std Dim:    2M      */

//BYTE   *nextphbyte = gphb;

struct streamdescr {

    FILE *f;

    ImageDesc *i;

    int x1, y1;

} sd[10];

#define SCREENX 800

#define SCREENY 600

void txtreset(void *dummy)

{

  grx_close();

  grx_modeinfo();

  /*    cprintf("Total frames:  %ld\n", i);

        cprintf("Total time:    %lu\n", t);*/

  //cprintf("Frame rate:        %lu\n", (n * 1000) / ttt);

  /*    cprintf("Max frame time:        %lu\n", mft);*/

}

#define MAINSLEEP 20000

void drawload(TIME l)

{

    #define LLPWINSIZE 20

    int actl;

//  struct load l;

    #define LOADX 500

    #define LOADY 300

    #define LOADYDIM 50

    #define LOADXDIM 100

    static int th = 0;

    static int x = 0;

    static int hy[LLPWINSIZE];

    static int somma = 0;

    int i;

/*    for (i = 0; i < LLPWINSIZE; i++) hy[i] = 0; */

//    load_actual(&l);

//    actl = (LOADYDIM * l.actual) / l.rif + 1;

//    {

//      char str[80];

//      sprintf(str,"%d",actl);

//      /*grx_text("Ciao", 200, 200, color16(31, 63, 31), 0);*/

//      grx_text("    ", 100, 400, 100, 0);

//      grx_text(str, 100, 400, 100,0);

//    }

/*              LowPass Filter                  */

    actl=((long)l*LOADYDIM)/MAINSLEEP+1;

    somma += actl - hy[th];

    hy[th] = actl;

    th = (th + 1) % LLPWINSIZE;

    actl = somma / LLPWINSIZE;

    grx_line(LOADX+x,LOADY,LOADX+x,(LOADY+LOADYDIM),0);

    if (actl > LOADYDIM) actl = LOADYDIM;

    grx_line(LOADX+x,(LOADY + actl),LOADX+x,(LOADY+LOADYDIM),255);

    x = (x + 1) % LOADXDIM;

}

TASK play(void *arg)

{

  int i=(int)arg;

    int loop = TRUE;

  BYTE *pixels;

  int moreframes = TRUE;

  FILE *mpeg = sd[i].f;

  ImageDesc *img = sd[i].i;

  int x1, y1, x2, y2;

  /*printf ("Task %d: Movie is %d x %d pixels\n", i, img->Width, img->Height);

    printf ("Required picture rate = %d, required bit rate = %d\n",

    img->PictureRate, img->BitRate);*/

  pixels = (BYTE *) malloc(img->Size * sizeof(BYTE));

  x1 = sd[i].x1;

  y1 = sd[i].y1;

  x2 = x1 + img->Width-1;

  y2 = y1 + img->Height-1;

  while (loop) {                        /* play the whole movie forever */

    loop = 1;

    n = 0;

    ttt = sys_gettime(NULL);

    while (moreframes) {

      //cprintf("°");    

      moreframes = GetMPEGFrame (img, pixels);

      grx_putimage(x1, y1, x2, y2, pixels);

      n++;

      task_endcycle();

    }

    ttt = sys_gettime(NULL) - ttt;

    RewindMPEG (mpeg, img);

    SetMPEGOption (img, MPEG_DITHER, GRAY_DITHER);

    moreframes = TRUE;

  }

  return 0;

}

int main(int argc, char *argv[])

{

  //    SYS_PARMS sp = BASE_SYS;

  KEY_EVT k;

  //    MODEL m = BASE_MODEL;

  PID pid;

  //    DOS_FILE *Infile;

//  BYTE *mpegbuff[10], *p;

//  WORD res;

//  DWORD cnt[10];

TIME sum;

  SOFT_TASK_MODEL model;

  FILE       *mpeg;

  ImageDesc   img[10];

  int full_color = FALSE;

  int mode;

  int esc;

  int i;

  int actx = 10, acty = 10;

  ColormapEntry *cp;

  //cprintf("file '%s'\n",argv[1]);

  if (argc < 2) {

    fprintf (stderr, "Usage: %s mpegfile\n", argv[0]);

    sys_abort(301);

  }

  /*

    for (i = 0; i < argc - 1; i++) {

    Infile = DOS_fopen(argv[i + 1], "r");

    if (!Infile) {

    cprintf("%s not found!!!\n", argv[i + 1]);

    sys_abort(300);

    }

    cprintf("\n %s Opened!!!\n\n", argv[i + 1]);

    mpegbuff[i] = nextphbyte;

    p = mpegbuff[i]; cnt[i] = 0;

    res = 0x1000;

    while (res > 0) {

    res = DOS_fread(p, 0x1000, 1, Infile);

    cnt[i] += res;

    p += res;

    }

    p += res;

    nextphbyte = p;

    }

    */

  /* OK, Now we can start the system!!! */

  //sys_init(&sp);

  //keyb_init(SOFT, 100);

  //    keyb_init(NULL);

  //    k.flag = CNTR_BIT;

  //    k.scan = KEY_C;

  //    k.ascii = 'c';

  //keyb_excset(k,endfun);

  //vfs_init();

  /*

    for (i = 0; i < argc - 1; i++) {

    vfs_assign(argv[i + 1], mpegbuff[i], cnt[i]);

    }

    */

  /* Init the graph... */

  if (grx_init() == -1) {

    cprintf("No init!!!\n");

    sys_abort(255);

  }

  mode = grx_getmode(SCREENX, SCREENY, 8);

  cprintf("Mode num: %x\n", mode);

  grx_cardinfo();

  cprintf("[hit enter to continue]\n");

  esc = FALSE;

  while (!esc) {

    keyb_getcode(&k,BLOCK);

    if (k.ascii == 13) esc = TRUE;

  }

  if (mode == -1) {

    cprintf("Mode not present!!!\n");

    sys_abort(255);

  }

  if (grx_setmode(mode) == -1) {

    cprintf("No SetMode!!!\n");

    sys_abort(255);

  }

  //sys_atexit(txtreset,NULL,AFTER_EXIT);

  //cprintf("Û0Û");

  for (i = 0; i < argc - 1; i++) {

    mpeg = fopen(argv[i + 1], "r");

    if (!mpeg) {

      perror (argv[1]);

      sys_abort(301);

    }

    setvbuf(mpeg,NULL,_IOFBF,BUFSIZ*100);

    //cprintf("Û0.5Û");

    /* !!! */

    img[i].vid_stream=NULL;

    img[i].Colormap=NULL;

    if (!OpenMPEG(mpeg, &(img[i]))) {

      fprintf (stderr, "OpenMPEG on %s failed\n", argv[i + 1]);

      sys_abort(301);

    }

    //cprintf("Û1Û");

    SetMPEGOption (&(img[i]), MPEG_DITHER, GRAY_DITHER);

    //SetMPEGOption (&(img[i]), MPEG_DITHER, FS4_DITHER);

    /*  SetMPEGOption(MPEG_DITHER, GRAY_DITHER);        */

    /* printf ("Movie is %d x %d pixels\n", img[i].Width, img[i].Height);

       printf ("Required picture rate = %d, required bit rate = %d\n",

       img[i].PictureRate, img[i].BitRate); */

    //cprintf("Û2Û");

    if (i == 0) {

      cp = img[i].Colormap;

      if (!full_color) {

        int  ii;

        for (ii = 0; ii < img[i].ColormapSize; ii++) {

          grx_setcolor (ii, img[i].Colormap[ii].red / 4,

                        img[i].Colormap[ii].green / 4,

                        img[i].Colormap[ii].blue / 4);

        }

        /*NO!!! Colormap is an array of short, setpalette wants an array of BYTE!!!*/

        /*      grx_setpalette(0, 255, img.Colormap);*/

      }

    }

    if (actx + img[i].Width > SCREENX) {

      actx = 10;

      acty += 200;

    }

    sd[i].x1 = actx;

    sd[i].y1 = acty;

    sd[i].f = mpeg;

    sd[i].i = &(img[i]);

    //cprintf("Û3Û");

    soft_task_default_model(model);    

    ////soft_task_def_system(model);

    //soft_task_def_met(model,9000);

    //soft_task_def_wcet(model,9000);

    //soft_task_def_period(model,50000);  

    soft_task_def_met(model,5000);

    soft_task_def_wcet(model,15000);

    soft_task_def_period(model,40000);  

    soft_task_def_periodic(model);

    soft_task_def_arg(model,(void*)i);

    soft_task_def_ctrl_jet(model);

    //task_def_arg(m, i);

    //task_def_wcet(m, 9000);

    pid = task_create("video", play, &model, NULL);

    if (pid == -1) {

      cprintf(" task --> Not Guaranteed!!!\n");

      sys_abort(20000);

    }

    task_activate(pid);

    //cprintf("Û4Û");

    actx += img[i].Width + 10;

  }

  /*   play(0);*/

  esc = FALSE;

  //jet_delstat(pid);

  while (!esc) {

    if (keyb_getcode(&k,NON_BLOCK) && (k.ascii == 13)) esc = TRUE;

    task_delay(MAINSLEEP);

    //jet_getstat(pid,&sum,NULL,NULL,NULL);

    //jet_delstat(pid);

    //drawload(sum);

  }

  sys_abort(59000);

  return 0;

}