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kolibrios/programs/media/ac97 mp3/trunk/ac97wav.c
Sergey Semyonov (Serge) 1634ac97c2 ac97_mp3 source code 
git-svn-id: svn://kolibrios.org@165 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-10-06 06:20:41 +00:00

719 lines
16 KiB
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 "stdio.h"
#include "string.h"
#include "ac97wav.h"
#include "mp3dec/mp3dec.h"
void thread_proc();
void touch(char *buf, int size);
extern char *__argv;
//extern char __path;
/***** for debug output only
char formats[37][12] =
{ "PCM_ALL",
"PCM_2_16_48","PCM_1_16_48","PCM_2_16_44","PCM_1_16_44",
"PCM_2_16_32","PCM_1_16_32","PCM_2_16_24","PCM_1_16_24",
"PCM_2_16_22","PCM_1_16_22","PCM_2_16_16","PCM_1_16_16",
"PCM_2_16_12","PCM_1_16_12","PCM_2_16_11","PCM_1_16_11",
"PCM_2_16_8","PCM_1_16_8","PCM_2_8_48","PCM_1_8_48",
"PCM_2_8_44","PCM_1_8_44","PCM_2_8_32","PCM_1_8_32",
"PCM_2_8_24","PCM_1_8_24","PCM_2_8_22","PCM_1_8_22",
"PCM_2_8_16","PCM_1_8_16","PCM_2_8_12","PCM_1_8_12",
"PCM_2_8_11","PCM_1_8_11","PCM_2_8_8","PCM_1_8_8"
};
*******/
DWORD hDrv;
DWORD hSound;
DWORD hBuff;
DWORD event[2];
CTRL_INFO info;
FILEINFO fileinfo;
int m_vol;
DWORD status;
DWORD offset;
DWORD first_sync;
char *testbuff;
char *outbuf;
char *inpbuf;
int inpsize;
int outsize;
char srv_name[] = "INFINITY";
char srv_intel[] = "SOUND";
char header[] = "AC97 MP3 player";
char buttons_text[]=" Play Stop << >> Vol- Vol+";
MPEG_DECODE_INFO mpginfo;
MPEG_DECODE_PARAM param;
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, __argv, strlen(__argv));
write_text(11,57,0x00FF20|FONT0, __argv, strlen(__argv));
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 = 286.0f * (float)offset/(float)fileinfo.size;
if(x==0) return;
draw_bar(7,41,x,11,0xA0A0A0);
draw_bar(x+7,41,286-x,11,0x404040);
};
void debug_out_str(char* str)
{
while (*str != 0)
{
debug_out(*str);
str++;
}
}
int main() //int argc, char *argv[])
{ DWORD fmt;
char *thread_stack;
DWORD r_bytes;
int retval;
InitHeap(1024*1024);
if(get_fileinfo(__argv, &fileinfo)==FILE_NOT_FOUND)
return 0;
if((hDrv=GetService(srv_intel))==0)
return 0;
if ((hSound=GetService(srv_name))==0)
return 0;
GetDevInfo(hDrv, &info);
m_vol = GetMasterVol(hDrv,&m_vol);
if (m_vol > 85)
{ m_vol = 85;
SetMasterVol(hDrv,m_vol);
};
_asm {fninit};
mp3DecodeInit();
testbuff = UserAlloc(4096);
get_fileinfo(__argv, &fileinfo);
offset = 0;
retval=read_file (__argv,testbuff,0,2048,&r_bytes);
if (retval) return 0;
fmt = test_wav((WAVEHEADER*)testbuff);
if (fmt != 0)
{
snd_play = &play_wave;
outbuf = UserAlloc(32*1024);
touch(outbuf, 32768);
offset = 44;
}
else
{ fmt = test_mp3(testbuff);
if(fmt ==0) return 0;
snd_play = &play_mp3;
inpsize = mpginfo.maxInputSize*30;
inpbuf = UserAlloc(inpsize);
touch(inpbuf, inpsize);
outsize = mpginfo.outputSize*30+0x10000;
outbuf = UserAlloc(outsize);
touch(outbuf, outsize);
first_sync = offset;
};
status = ST_PLAY;
hBuff = CreateBuffer(hSound,fmt);
if (hBuff == 0) return 0;
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(hSound, hBuff);
status = ST_DONE;
continue;
case ST_EXIT:
StopBuffer(hSound, hBuff);
DestroyBuffer(hSound, hBuff);
return 0;
};
};
return 0;
};
void touch(char *buf, int size)
{ int i;
for ( i = 0;i < size; i+=4096)
buf[i] = 0;
};
DWORD test_mp3(char *buf)
{ int retval;
int sync;
WAVEHEADER whdr;
DWORD r_bytes=2048;
for (;;)
{
if (!mp3FindSync(buf, 2048, &sync))
offset+= 2048;
else break;
if (offset >= fileinfo.size || offset >= 102400)
return 0;
retval = read_file (__argv,buf,offset,2048,&r_bytes);
if(retval != 0) return 0;
};
offset+=sync;
retval = read_file (__argv,buf,offset,2048,&r_bytes);
if(retval != 0) return 0;
mp3GetDecodeInfo(buf, r_bytes, &mpginfo, 1);
whdr.riff_id = 0x46464952;
whdr.riff_format = 0x45564157;
whdr.wFormatTag = 0x01;
whdr.nSamplesPerSec = mpginfo.frequency;
whdr.nChannels = mpginfo.channels;
whdr.wBitsPerSample = mpginfo.bitsPerSample;
return test_wav(&whdr);
};
void wave_out(char* buff)
{ DWORD ev[2];
GetNotify(&ev[0]);
SetBuffer(hSound,hBuff,buff,ev[1],0x8000);
}
void play_mp3()
{ int retval;
DWORD r_bytes;
char *inpPtr;
char *outPtr;
int inpBytes;
int totalout;
offset = first_sync;
retval = read_file (__argv,inpbuf,offset,inpsize,&r_bytes);
if(retval != 0)
{ status = ST_STOP;
return ;
};
offset+=inpsize;
mp3DecodeStart(inpbuf, inpsize);
inpPtr = inpbuf+mpginfo.skipSize;
inpBytes = inpsize-mpginfo.skipSize;
outPtr = outbuf;
totalout=0;
memset(outbuf,0,0x10000);
SetBuffer(hSound,hBuff,outbuf,0,0x10000);
PlayBuffer(hSound, hBuff);
_asm { fninit }
while(1)
{ if(status!=ST_PLAY)
break;
for(;;)
{ param.inputBuf = inpPtr;
param.inputSize = inpBytes;
param.outputBuf = outPtr;
if(!mp3DecodeFrame(&param))
if( mp3GetLastError()== MP3_ERROR_OUT_OF_BUFFER)
break;
inpPtr += param.inputSize;
inpBytes -= param.inputSize;
outPtr+=param.outputSize;
totalout+=param.outputSize;
};
memmove(inpbuf, inpPtr, inpBytes);
retval = read_file(__argv, &inpbuf[inpBytes],offset, inpsize-inpBytes, &r_bytes);
offset+=r_bytes;
if (r_bytes== 0) break;
inpPtr = inpbuf;
inpBytes += r_bytes;
if(totalout < 32768) continue;
outPtr = outbuf;
while (totalout > 32768)
{ wave_out(outPtr);
totalout-=0x8000;
outPtr+=0x8000;
};
memmove(outbuf,outPtr, totalout);
outPtr = outbuf+totalout;
};
if(status != ST_EXIT)
status = ST_STOP;
};
void play_wave()
{
int retval;
int remain;
int i;
offset = 44;
read_file (__argv,outbuf,offset,32*1024,0);
offset+=32*1024;
SetBuffer(hSound,hBuff,outbuf,0,0x8000);
read_file (__argv,outbuf,offset,32*1024,0);
offset+=32*1024;
SetBuffer(hSound,hBuff,outbuf,0x8000,0x8000);
PlayBuffer(hSound, hBuff);
retval = 0;
while(1)
{
if(status!=ST_PLAY)
break;
GetNotify(&event[0]);
if(retval == FILE_EOF)
break;
remain = fileinfo.size-offset;
if(remain >=32768)
{ retval = read_file (__argv,outbuf,offset,32*1024,0);
offset+=32*1024;
SetBuffer(hSound,hBuff,outbuf,event[1],0x8000);
continue;
};
if(remain == 0)
{ retval = FILE_EOF;
continue;
};
read_file (__argv,outbuf,offset,remain,0);
for(i=remain;i<32768;i++)
outbuf[i] = 0;
SetBuffer(hSound,hBuff,outbuf,event[1],0x8000);
retval= FILE_EOF;
};
if(status != ST_EXIT)
status = ST_STOP;
};
void snd_stop()
{
StopBuffer(hSound, hBuff);
};
void thread_proc()
{ int evnt;
int pos;
int key;
_asm { fninit };
draw_window();
while(1)
{ if(status==ST_PLAY)
{ draw_progress_bar();
evnt = wait_for_event(80);
// debug_out_str("BIG ERROR...\x0D\x0A\x00");
}
else
evnt = wait_for_event_infinite();
switch(evnt)
{
case EV_REDRAW:
draw_window();
break;
case EV_KEY:
key = get_key();
if(key==27)
{ status = ST_EXIT;
exit();
};
if((key==45)||key==54)
{ if(m_vol > 0)
{ m_vol--;
SetMasterVol(hDrv,m_vol);
};
break;
};
if((key==61)||key==56)
{ if(m_vol < 90)
{ m_vol++;
SetMasterVol(hDrv,m_vol);
};
};
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(m_vol > 0)
{ m_vol--;
SetMasterVol(hDrv,m_vol);
};
break;
case 0x15:
if(m_vol < 90)
{ m_vol++;
SetMasterVol(hDrv,m_vol);
};
break;
case 0x30:
if(status==ST_DONE)
break;
if(snd_play == play_mp3)
continue;
pos = (GetMousePos(REL_WINDOW)>>16)-7;
offset = ((fileinfo.size-44)/286*pos+44)&0xFFFFFFFC;
draw_progress_bar();
break;
};
};
};
};
DWORD test_wav(WAVEHEADER *hdr)
{
if(hdr->riff_id != 0x46464952)
return 0;
if(hdr->riff_format != 0x45564157)
return 0;
if (hdr->wFormatTag != 0x01)
return 0;
switch(hdr->nSamplesPerSec)
{ case 48000:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_48;
else
return PCM_1_8_48;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_48;
else
return PCM_2_8_48;
};
case 44100:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_44;
else
return PCM_1_8_44;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_44;
else
return PCM_2_8_44;
};
case 32000:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_32;
else
return PCM_1_8_32;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_32;
else
return PCM_2_8_32;
};
case 24000:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_24;
else
return PCM_1_8_24;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_24;
else
return PCM_2_8_24;
};
case 22050:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_22;
else
return PCM_1_8_22;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_22;
else
return PCM_2_8_22;
};
case 16000:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_16;
else
return PCM_1_8_16;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_16;
else
return PCM_2_8_16;
};
case 12000:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_12;
else
return PCM_1_8_12;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_12;
else
return PCM_2_8_12;
};
case 11025:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_11;
else
return PCM_1_8_11;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_11;
else
return PCM_2_8_11;
};
case 8000:
switch (hdr->nChannels)
{ case 1:
if(hdr->wBitsPerSample == 16)
return PCM_1_16_8;
else
return PCM_1_8_8;
case 2:
if(hdr->wBitsPerSample == 16)
return PCM_2_16_8;
else
return PCM_2_8_8;
};
default:
return 0;
};
};
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 * __cdecl memmove ( void * dst, const void * src, size_t count)
{ void * 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);
};
// 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");
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