Subversion Repositories Kolibri OS

//

//   This file is part of the AC97 mp3 player.

//   (C) copyright Serge 2006

//   email: infinity_sound@mail.ru

//

//   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.

#include "kolibri.h"

#include "string.h"

#include "ac97wav.h"

#include "mpg/mpg123.h"

#include "sound.h"

#define MP3_ERROR_OUT_OF_BUFFER  5

int m_last_error;

void thread_proc();

void touch(char *buf, int size);

int mp3FindSync(byte* buf, int size, int* sync);

int stream_read_raw(struct reader *rd,unsigned char *buf, int size);

char *fname;

struct reader rd;

struct frame fr;

DWORD hDrv;

DWORD hSound;

SNDBUF hBuff;

CTRL_INFO info;

FILEINFO   fileinfo;

int m_vol;

int l_vol=-500;

int r_vol=-500;

int pan =0;

DWORD status;

DWORD offset;

DWORD first_sync;

unsigned char *testbuff;

unsigned char *outbuf;

unsigned char *inpbuf;

unsigned char *outPtr;

int inpsize;

int outsize;

int outremain;

int totalout;

int done;

char header[] = "AC97 MP3 player";

char buttons_text[]=" Play    Stop     <<      >>     Vol-    Vol+";

void (*snd_play)();

void draw_window()

{

   BeginDraw();

   DrawWindow(100,100,299,72,0x404040,3,0,0,0);

   make_button(7,24,45,13, 0x10|BT_NORMAL,0x808080);

   make_button(56,24,45,13, 0x11|BT_NORMAL,0x808080);

   make_button(104,24,45,13, 0x12|BT_NORMAL,0x808080);

   make_button(152,24,45,13, 0x13|BT_NORMAL,0x808080);

   make_button(200,24,45,13, 0x14|BT_NORMAL,0x808080);

   make_button(248,24,45,13, 0x15|BT_NORMAL,0x808080);

   make_button(7,41,286,11, 0x30|BT_HIDE|BT_NOFRAME,0x404040);

   draw_bar(7,41,286,11,0x404040);

   draw_bar(7,55,286,11,0x404040);

   write_text(12,58,0x004000|FONT0, fname, strlen(fname));

   write_text(11,57,0x00FF20|FONT0, fname, strlen(fname));

   write_text(8,8,0xFFFFFF|FONT0, header, strlen(header));

   write_text(12,28,0x404040|FONT0,buttons_text,strlen(buttons_text));

   write_text(11,27,0xA0FFA0|FONT0,buttons_text,strlen(buttons_text));

   EndDraw();

};

void draw_progress_bar()

{  DWORD x;

   x = 287.0f * (float)(rd.filepos-rd.strremain)/(float)fileinfo.size;

   if(x==0) return;

   draw_bar(7,41,x,11,0xA0A0A0);

   draw_bar(x+7,41,287-x,11,0x404040);

};

void debug_out_str(char* str)

{

  while (*str != 0)

  {

    debug_out(*str);

    str++;

  }

}

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

{ DWORD fmt;

   char *thread_stack;

   DWORD r_bytes;

   int retval;

   int err;

   int ver;

   fname = argv[1];

   //debug_out_str(fname);

   InitHeap(1024*1024);

   if(get_fileinfo(fname, &fileinfo)==FILE_NOT_FOUND)

      return 0;

   if(err = InitSound(&ver))

   {

     debug_out_str("Sound service not installed\n\r");

     return 0;

   }

   if( ver != SOUND_VERSION)

   {

     debug_out_str("Sound service version mismatch\n\r");

     return 0;

   }

   testbuff = UserAlloc(4096);

   get_fileinfo(fname, &fileinfo);

   offset = 0;

   retval=read_file (fname,testbuff,0,2048,&r_bytes);

   if (retval) return 0;

   inpbuf = UserAlloc(0x10000);

   touch(inpbuf, 0x10000);

   create_reader(&rd, inpbuf, 0x10000);

   init_reader(&rd,fname);

   fmt = test_wav((WAVEHEADER*)testbuff);

   if (fmt != 0)

   {

     snd_play = &play_wave;

     set_reader(&rd, 44);

     outbuf = UserAlloc(32*1024);

     touch(outbuf, 32768);

   }

   else

   { fmt = test_mp3(testbuff);

     if(fmt ==0) return 0;

     snd_play = &play_mp3;

     outremain = 0x40000 ;

     outbuf = UserAlloc(outremain);

     touch(outbuf, outremain);

     make_decode_tables(32767);

     init_layer2();

     init_layer3(32);

     fr.single = -1;

   };

   status = ST_PLAY;

   if (err = CreateBuffer(fmt,0, &hBuff))

   {

     debug_out_str("create buffer return error\n\r");

     return 0;

   }

   SetVolume(hBuff,l_vol,r_vol);

   thread_stack = UserAlloc(4096);

   thread_stack+=4092;

   CreateThread(thread_proc, thread_stack);

   while(1)

   {  delay(10);

      switch(status)

      {  case ST_PLAY:

           snd_play();

           continue;

         case ST_STOP:

           StopBuffer(hBuff);

           status = ST_DONE;

           continue;

         case ST_EXIT:

           StopBuffer(hBuff);

           DestroyBuffer(hBuff);

           return 0;

      };

   };

   return 0;

};

void touch(char *buf, int size)

{ int i;

   char a;

    for ( i = 0;i < size; i+=4096)

      a = buf[i];

};

DWORD test_mp3(char *buf)

{  unsigned long hdr;

    WAVEHEADER whdr;

    while (1)

    {  if(rd.filepos > 102400)

          return 0;

        if(!rd.head_read(&rd,&hdr))

                        return 0;

        if(!decode_header(&fr,hdr))

        {  rd.strpos-=3;

            rd.stream-=3;

            rd.strremain+=3;

            continue;

        };

        break;

          };

    first_sync = rd.filepos-rd.strremain-4;

    whdr.riff_id = 0x46464952;

    whdr.riff_format = 0x45564157;

    whdr.wFormatTag = 0x01;

    whdr.nSamplesPerSec = freqs[fr.sampling_frequency];

    whdr.nChannels = 2; //mpginfo.channels;

    whdr.wBitsPerSample = 16;

    return test_wav(&whdr);

};

void play_mp3()

{  char *outPtr;

    int totalout;

    int outcount;

 //   memset(&fr,0,sizeof(fr));

    fr.down_sample_sblimit = 32;

    fr.single = -1;

    reset_mpg();

    outPtr = outbuf;

    totalout=0;

    done = 0;

    outremain=0x40000;

    memset(outbuf,0,0x40000);

    set_reader(&rd, 0);    //;first_sync);

    while(1)

    { if(status!=ST_PLAY)

             break;

     for(;;)

     {   outcount = 0;

          if( !read_frame(&rd, &fr))

          {  done = 1;

              break;

          };

          fr.do_layer(&fr, outPtr,&outcount);

          outPtr+= outcount;

          totalout+=outcount;

          outremain-=outcount;

          if(outremain < outcount*2)

            break;

    };

    if(done)

    { if(totalout < 4096)

      {  memset(outPtr,0,4096-totalout);

                totalout = 4096;

      };

    }

    else

      if(totalout < 8192)

        continue;

/*

     _asm

  {  push edx

      push eax

      mov eax, 0xFF

      mov edx, 0x400

      out dx, al

      pop eax

      pop edx

  };

*/

    outPtr = outbuf;

    while (totalout >= 4096)

    {

      WaveOut(hBuff,outPtr,4096);

      if(status!=ST_PLAY)

      { if(status != ST_EXIT)

         status =  ST_STOP;

        return;

      };

      totalout-=4096;

      outPtr+=4096;

      outremain+=4096;

    };

    if(done)

      break;

    memmove(outbuf,outPtr, totalout);

    outPtr = outbuf+totalout;

   }

    if(status != ST_EXIT)

    status =  ST_STOP;

};

void play_wave()

{  int retval;

   set_reader(&rd,44);

   retval = 0;

   while(1)

   {

      if(status!=ST_PLAY)

        break;

      if( !stream_read_raw(&rd,outbuf,32768))

      {  done = 1;

          break;

      };

      WaveOut(hBuff,outbuf,32768);

   };

   if(status != ST_EXIT)

    status =  ST_STOP;

};

void snd_stop()

{

  StopBuffer(hBuff);

};

void thread_proc()

{  int evnt;

   int pos;

   int key;

  _asm

  {

    mov eax, 66

    mov ebx, 1

    mov ecx, 1

    int 0x40

  };

  draw_window();

  while(1)

  {  if(status==ST_PLAY)

     {  draw_progress_bar();

        evnt = wait_for_event(80);

     }

     else

        evnt = wait_for_event_infinite();

    switch(evnt)

    {

      case EV_REDRAW:

        draw_window();

        break;

      case EV_KEY:

        if(!get_key(&key))

        {

          switch(key)

          {  case 0xE0:

             case 0xE1:

               break;

             default:

               switch (key)

               {

                 case 0x01:  //Esc

                   status = ST_EXIT;

                   exit();

                   break;

                 case 0x47:  //Home

                   if(l_vol < 0)

                   { l_vol+=100;

                     r_vol+=100;

                     SetVolume(hBuff,l_vol,r_vol);

                   };

                   break;

                 case 0x4F:  //End

                   if(l_vol > -10000)

                   { l_vol-=100;

                     r_vol-=100;

                     SetVolume(hBuff,l_vol,r_vol);

                   };

                   break;

                 case 0x53:

                   if(pan > -10000)

                   { pan -=100;

                     SetPan(hBuff,pan);

                   };

                   break;

                 case 0x51:

                   if(pan < 10000)

                   { pan +=100;

                     SetPan(hBuff,pan);

                   };

                   break;

               }

          };

        };

        break;

      case EV_BUTTON:

        switch(get_button_id())

        {  case 1:

             status = ST_EXIT;

             exit();

             break;

           case 0x10:

             status = ST_PLAY;

             continue;

           case 0x11:

             status = ST_STOP;

             break;

//           case 0x12:

//           case 0x13:

           case 0x14:

            if(l_vol > -10000)

            {

              l_vol-=100;

              r_vol-=100;

              SetVolume(hBuff,l_vol,r_vol);

            };

            break;

           case 0x15:

            if(l_vol < 0)

            { l_vol+=100;

              r_vol+=100;

              SetVolume(hBuff,l_vol,r_vol);

            };

            break;

           case 0x30:

            if(status==ST_DONE)

              break;

            pos = (GetMousePos(REL_WINDOW)>>16)-7;

            offset = ((fileinfo.size-44)/286*pos+44)&0xFFFFFFFC;

            set_reader(&rd, offset);

            draw_progress_bar();

            break;

        };

    };

  };

};

void delay (int val)

{

  _asm

 {   mov   eax,5

      mov   ebx, [val]

      int   0x40

  };

}

int wait_for_event(int time)

{ int retval;

  _asm

 {  mov  eax,23

     mov  ebx,[time]

     int  0x40

     mov [retval], eax

 };

 return retval;

};

int wait_for_event_infinite()

{ int retval;

  _asm

  {  mov  eax,10

      int  0x40

      mov [retval], eax

  };

  return retval;

};

void BeginDraw()

{_asm

 { mov   eax,12

    mov   ebx, 1

    int   0x40

  };

};

void EndDraw()

{ _asm

 { mov   eax,12

    mov   ebx, 2

    int   0x40

  };

};

///*********

void *memmove ( void * dst, void * src, int count)

{ void *ret;

  ret = dst;

  if (dst <= src || (char *)dst >= ((char *)src + count))

  {

      while (count--)

      { *(char *)dst = *(char *)src;

          dst = (char *)dst + 1;

          src = (char *)src + 1;

      }

   }

   else

    {

        dst = (char *)dst + count - 1;

        src = (char *)src + count - 1;

         while (count--)

          {  *(char *)dst = *(char *)src;

              dst = (char *)dst - 1;

              src = (char *)src - 1;

          }

    }

    return ret;

};

//**********/

void * __cdecl mem_cpy(void * dst,const void * src,size_t count)

{    void * ret = dst;

      while (count--)

      {  *(char *)dst = *(char *)src;

          dst = (char *)dst + 1;

          src = (char *)src + 1;

      };

      return(ret);

}

//   debug_out_str(formats[fmt]);

//   debug_out_str("\x0D\x0A\x00");

//   debug_out_str("pci cmd: ");

//   debug_out_hex(info.pci_cmd);

//   debug_out_str("\x0D\x0A\x00");

//   debug_out_str("irq line: ");

//   debug_out_hex(info.irq);

//   debug_out_str("\x0D\x0A\x00");

//   debug_out_str("global control: ");

//   debug_out_hex(info.glob_cntrl);

//   debug_out_str("\x0D\x0A\x00");

//   debug_out_str("global status:  ");

//   debug_out_hex(info.glob_sta);

//   debug_out_str("\x0D\x0A\x00");

  // call _print_volume

//   debug_out_hex(whdr.nChannels);

//   debug_out_str("\x0D\x0A\x00");

//   debug_out_hex(whdr.nSamplesPerSec);

//   debug_out_str("\x0D\x0A\x00");

//   debug_out_hex(fmt);

//   debug_out_str("\x0D\x0A\x00");