kolibrios/programs/media/ac97snd/trunk/ac97wav.c

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//
// 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");