ref: 4cff13f43357e2d1215d158e2ce376c9ef9fe655
dir: /plugins/cooledit/Faac.cpp/
/*
FAAC - codec plugin for Cooledit
Copyright (C) 2002 Antonio Foranna
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
The author can be contacted at:
kreel@tiscali.it
*/
#include <windows.h>
#include <shellapi.h> // ShellExecute
#include <stdio.h> // FILE *
#include <stdlib.h> // malloc, free
#include "resource.h"
#include "filters.h" // CoolEdit
#include <mp4.h> // int32_t, ...
#include <faac.h>
#include <faad.h> // FAAD2 version
#include <win32_ver.h> // mpeg4ip version
#include "CRegistry.h"
#include "Defines.h" // my defines
#include "Structs.h" // my structs
// *********************************************************************************************
extern HINSTANCE hInst;
// -----------------------------------------------------------------------------------------------
extern BOOL DialogMsgProcDecoder(HWND hWndDlg, UINT Message, WPARAM wParam, LPARAM lParam);
extern void ReadCfgDec(MY_DEC_CFG *cfg);
extern void WriteCfgDec(MY_DEC_CFG *cfg);
// *********************************************************************************************
#ifdef ADTS
#undef ADTS
#define ADTS 1
#endif
// *********************************************************************************************
typedef struct output_tag // any special vars associated with output file
{
FILE *aacFile;
long Samprate;
WORD BitsPerSample;
WORD Channels;
//DWORD src_size;
//char *dst_name; // name of compressed file
faacEncHandle hEncoder;
int32_t *buffer;
unsigned char *bitbuf;
DWORD maxBytesOutput;
long samplesInput;
} MYOUTPUT;
// *********************************************************************************************
#define SWAP32(x) (((x & 0xff) << 24) | ((x & 0xff00) << 8) \
| ((x & 0xff0000) >> 8) | ((x & 0xff000000) >> 24))
#define SWAP16(x) (((x & 0xff) << 8) | ((x & 0xff00) >> 8))
inline void To32bit(int32_t *buf, BYTE *bufi, int size, BYTE samplebytes, BYTE bigendian)
{
int i;
switch(samplebytes)
{
case 1:
// this is endian clean
for (i = 0; i < size; i++)
buf[i] = (bufi[i] - 128) * 65536;
break;
case 2:
#ifdef WORDS_BIGENDIAN
if (!bigendian)
#else
if (bigendian)
#endif
{
// swap bytes
for (i = 0; i < size; i++)
{
int16_t s = ((int16_t *)bufi)[i];
s = SWAP16(s);
buf[i] = ((u_int32_t)s) << 8;
}
}
else
{
// no swap
for (i = 0; i < size; i++)
{
int s = ((int16_t *)bufi)[i];
buf[i] = s << 8;
}
}
break;
case 3:
if (!bigendian)
{
for (i = 0; i < size; i++)
{
int s = bufi[3 * i] | (bufi[3 * i + 1] << 8) | (bufi[3 * i + 2] << 16);
// fix sign
if (s & 0x800000)
s |= 0xff000000;
buf[i] = s;
}
}
else // big endian input
{
for (i = 0; i < size; i++)
{
int s = (bufi[3 * i] << 16) | (bufi[3 * i + 1] << 8) | bufi[3 * i + 2];
// fix sign
if (s & 0x800000)
s |= 0xff000000;
buf[i] = s;
}
}
break;
case 4:
#ifdef WORDS_BIGENDIAN
if (!bigendian)
#else
if (bigendian)
#endif
{
// swap bytes
for (i = 0; i < size; i++)
{
int s = bufi[i];
buf[i] = SWAP32(s);
}
}
else
memcpy(buf,bufi,size*sizeof(u_int32_t));
/*
int exponent, mantissa;
float *bufo=(float *)buf;
for (i = 0; i < size; i++)
{
exponent=bufi[(i<<2)+3]<<1;
if(bufi[i*4+2] & 0x80)
exponent|=0x01;
exponent-=126;
mantissa=(DWORD)bufi[(i<<2)+2]<<16;
mantissa|=(DWORD)bufi[(i<<2)+1]<<8;
mantissa|=bufi[(i<<2)];
bufo[i]=(float)ldexp(mantissa,exponent);
}*/
break;
}
}
// *********************************************************************************************
/*
DWORD PackCfg(MY_ENC_CFG *cfg)
{
DWORD dwOptions=0;
if(cfg->AutoCfg)
dwOptions=1<<31;
dwOptions|=(DWORD)cfg->EncCfg.mpegVersion<<30;
dwOptions|=(DWORD)cfg->EncCfg.aacObjectType<<28;
dwOptions|=(DWORD)cfg->EncCfg.allowMidside<<27;
dwOptions|=(DWORD)cfg->EncCfg.useTns<<26;
dwOptions|=(DWORD)cfg->EncCfg.useLfe<<25;
dwOptions|=(DWORD)cfg->EncCfg.outputFormat<<24;
if(cfg->UseQuality)
dwOptions|=(((DWORD)cfg->EncCfg.quantqual>>1)&0xff)<<16; // [2,512]
else
dwOptions|=(((DWORD)cfg->EncCfg.bitRate>>1)&0xff)<<16; // [2,512]
if(cfg->UseQuality)
dwOptions|=1<<15;
dwOptions|=((DWORD)cfg->EncCfg.bandWidth>>1)&&0x7fff; // [0,65536]
return dwOptions;
}
// -----------------------------------------------------------------------------------------------
void UnpackCfg(MY_ENC_CFG *cfg, DWORD dwOptions)
{
cfg->AutoCfg=dwOptions>>31;
cfg->EncCfg.mpegVersion=(dwOptions>>30)&1;
cfg->EncCfg.aacObjectType=(dwOptions>>28)&3;
cfg->EncCfg.allowMidside=(dwOptions>>27)&1;
cfg->EncCfg.useTns=(dwOptions>>26)&1;
cfg->EncCfg.useLfe=(dwOptions>>25)&1;
cfg->EncCfg.outputFormat=(dwOptions>>24)&1;
cfg->EncCfg.bitRate=((dwOptions>>16)&0xff)<<1;
cfg->UseQuality=(dwOptions>>15)&1;
cfg->EncCfg.bandWidth=(dwOptions&0x7fff)<<1;
}*/
// -----------------------------------------------------------------------------------------------
void ReadCfgEnc(MY_ENC_CFG *cfg)
{
CRegistry reg;
if(reg.openCreateReg(HKEY_LOCAL_MACHINE,REGISTRY_PROGRAM_NAME "\\FAAC"))
{
cfg->AutoCfg=reg.getSetRegBool("Auto",true);
cfg->EncCfg.mpegVersion=reg.getSetRegDword("MPEG version",MPEG4);
cfg->EncCfg.aacObjectType=reg.getSetRegDword("Profile",LOW);
cfg->EncCfg.allowMidside=reg.getSetRegDword("MidSide",true);
cfg->EncCfg.useTns=reg.getSetRegDword("TNS",true);
cfg->EncCfg.useLfe=reg.getSetRegDword("LFE",false);
cfg->UseQuality=reg.getSetRegBool("Use quality",false);
cfg->EncCfg.quantqual=reg.getSetRegDword("Quality",100);
cfg->EncCfg.bitRate=reg.getSetRegDword("BitRate",0);
cfg->EncCfg.bandWidth=reg.getSetRegDword("BandWidth",0);
cfg->EncCfg.outputFormat=reg.getSetRegDword("Header",ADTS);
}
else
MessageBox(0,"Can't open registry!",0,MB_OK|MB_ICONSTOP);
}
// -----------------------------------------------------------------------------------------------
void WriteCfgEnc(MY_ENC_CFG *cfg)
{
CRegistry reg;
if(reg.openCreateReg(HKEY_LOCAL_MACHINE,REGISTRY_PROGRAM_NAME "\\FAAC"))
{
reg.setRegBool("Auto",cfg->AutoCfg);
reg.setRegDword("MPEG version",cfg->EncCfg.mpegVersion);
reg.setRegDword("Profile",cfg->EncCfg.aacObjectType);
reg.setRegDword("MidSide",cfg->EncCfg.allowMidside);
reg.setRegDword("TNS",cfg->EncCfg.useTns);
reg.setRegDword("LFE",cfg->EncCfg.useLfe);
reg.setRegBool("Use quality",cfg->UseQuality);
reg.setRegDword("Quality",cfg->EncCfg.quantqual);
reg.setRegDword("BitRate",cfg->EncCfg.bitRate);
reg.setRegDword("BandWidth",cfg->EncCfg.bandWidth);
reg.setRegDword("Header",cfg->EncCfg.outputFormat);
}
else
MessageBox(0,"Can't open registry!",0,MB_OK|MB_ICONSTOP);
}
// -----------------------------------------------------------------------------------------------
#define INIT_CB(hWnd,nID,list,IdSelected) \
{ \
for(int i=0; list[i]; i++) \
SendMessage(GetDlgItem(hWnd, nID), CB_ADDSTRING, 0, (LPARAM)list[i]); \
SendMessage(GetDlgItem(hWnd, nID), CB_SETCURSEL, IdSelected, 0); \
}
// -----------------------------------------------------------------------------------------------
#define DISABLE_LTP \
{ \
if(IsDlgButtonChecked(hWndDlg,IDC_RADIO_MPEG2) && \
IsDlgButtonChecked(hWndDlg,IDC_RADIO_LTP)) \
{ \
CheckDlgButton(hWndDlg,IDC_RADIO_LTP,FALSE); \
CheckDlgButton(hWndDlg,IDC_RADIO_MAIN,TRUE); \
} \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LTP), FALSE); \
}
// -----------------------------------------------------------------------------------------------
// EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_SSR), Enabled);
// EnableWindow(GetDlgItem(hWndDlg, IDC_CHK_USELFE), Enabled);
#define DISABLE_CTRL(Enabled) \
{ \
CheckDlgButton(hWndDlg,IDC_CHK_AUTOCFG, !Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_MPEG4), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_MPEG2), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_RAW), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_ADTS), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_CHK_ALLOWMIDSIDE), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_CHK_USETNS), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_CB_BITRATE), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_CB_BANDWIDTH), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_MAIN), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LOW), Enabled); \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LTP), Enabled); \
if(IsDlgButtonChecked(hWndDlg,IDC_RADIO_MPEG4)) \
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LTP), Enabled); \
else \
DISABLE_LTP \
}
// -----------------------------------------------------------------------------------------------
BOOL DialogMsgProcAbout(HWND hWndDlg, UINT Message, WPARAM wParam, LPARAM lParam)
{
switch(Message)
{
case WM_INITDIALOG:
{
char buf[512];
unsigned long samplesInput, maxBytesOutput;
faacEncHandle hEncoder =
faacEncOpen(44100, 2, &samplesInput, &maxBytesOutput);
faacEncConfigurationPtr myFormat =
faacEncGetCurrentConfiguration(hEncoder);
sprintf(buf,
APP_NAME " plugin " APP_VER " by Antonio Foranna\n\n"
"Engines used:\n"
"\tlibfaac v%s\n"
"\tFAAD2 v" FAAD2_VERSION "\n"
"\t" PACKAGE " v" VERSION "\n\n"
"This code is given with FAAC package and does not contain executables.\n"
"This program is free software and can be distributed/modifyed under the terms of the GNU General Public License.\n"
"This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY.\n\n"
"Compiled on %s\n",
(myFormat->version == FAAC_CFG_VERSION)
? myFormat->name : " bad version",
__DATE__
);
SetDlgItemText(hWndDlg, IDC_L_ABOUT, buf);
faacEncClose(hEncoder);
}
break;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDOK:
EndDialog(hWndDlg, 0);
break;
case IDC_AUDIOCODING:
ShellExecute(hWndDlg, NULL, "http://www.audiocoding.com", NULL, NULL, SW_SHOW);
break;
case IDC_MPEG4IP:
ShellExecute(hWndDlg, NULL, "http://www.mpeg4ip.net", NULL, NULL, SW_SHOW);
break;
case IDC_EMAIL:
ShellExecute(hWndDlg, NULL, "mailto:kreel@tiscali.it", NULL, NULL, SW_SHOW);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
// -----------------------------------------------------------------------------------------------
BOOL DIALOGMsgProc(HWND hWndDlg, UINT Message, WPARAM wParam, LPARAM lParam)
{
switch(Message)
{
case WM_INITDIALOG:
{
char buf[50];
char *Quality[]={"Default","10","20","30","40","50","60","70","80","90","100","110","120","130","140","150","200","300","400","500",0};
char *BitRate[]={"Auto","8","18","20","24","32","40","48","56","64","96","112","128","160","192","224","256","320","384",0};
char *BandWidth[]={"Auto","Full","4000","8000","11025","16000","22050","24000","32000","44100","48000",0};
MY_ENC_CFG cfg;
ReadCfgEnc(&cfg);
INIT_CB(hWndDlg,IDC_CB_QUALITY,Quality,0);
INIT_CB(hWndDlg,IDC_CB_BITRATE,BitRate,0);
INIT_CB(hWndDlg,IDC_CB_BANDWIDTH,BandWidth,0);
if(cfg.EncCfg.mpegVersion==MPEG4)
CheckDlgButton(hWndDlg,IDC_RADIO_MPEG4,TRUE);
else
CheckDlgButton(hWndDlg,IDC_RADIO_MPEG2,TRUE);
switch(cfg.EncCfg.aacObjectType)
{
case MAIN:
CheckDlgButton(hWndDlg,IDC_RADIO_MAIN,TRUE);
break;
case LOW:
CheckDlgButton(hWndDlg,IDC_RADIO_LOW,TRUE);
break;
case SSR:
CheckDlgButton(hWndDlg,IDC_RADIO_SSR,TRUE);
break;
case LTP:
CheckDlgButton(hWndDlg,IDC_RADIO_LTP,TRUE);
DISABLE_LTP
break;
}
switch(cfg.EncCfg.outputFormat)
{
case RAW:
CheckDlgButton(hWndDlg,IDC_RADIO_RAW,TRUE);
break;
case ADTS:
CheckDlgButton(hWndDlg,IDC_RADIO_ADTS,TRUE);
break;
}
CheckDlgButton(hWndDlg, IDC_CHK_ALLOWMIDSIDE, cfg.EncCfg.allowMidside);
CheckDlgButton(hWndDlg, IDC_CHK_USETNS, cfg.EncCfg.useTns);
CheckDlgButton(hWndDlg, IDC_CHK_USELFE, cfg.EncCfg.useLfe);
if(cfg.UseQuality)
CheckDlgButton(hWndDlg,IDC_RADIO_QUALITY,TRUE);
else
CheckDlgButton(hWndDlg,IDC_RADIO_BITRATE,TRUE);
switch(cfg.EncCfg.quantqual)
{
case 100:
SendMessage(GetDlgItem(hWndDlg, IDC_CB_QUALITY), CB_SETCURSEL, 0, 0);
break;
default:
if(cfg.EncCfg.quantqual<10)
cfg.EncCfg.quantqual=10;
if(cfg.EncCfg.quantqual>500)
cfg.EncCfg.quantqual=500;
sprintf(buf,"%lu",cfg.EncCfg.quantqual);
SetDlgItemText(hWndDlg, IDC_CB_QUALITY, buf);
break;
}
switch(cfg.EncCfg.bitRate)
{
case 0:
SendMessage(GetDlgItem(hWndDlg, IDC_CB_BITRATE), CB_SETCURSEL, 0, 0);
break;
default:
sprintf(buf,"%lu",cfg.EncCfg.bitRate);
SetDlgItemText(hWndDlg, IDC_CB_BITRATE, buf);
break;
}
switch(cfg.EncCfg.bandWidth)
{
case 0:
SendMessage(GetDlgItem(hWndDlg, IDC_CB_BANDWIDTH), CB_SETCURSEL, 0, 0);
break;
case 0xffffffff:
SendMessage(GetDlgItem(hWndDlg, IDC_CB_BANDWIDTH), CB_SETCURSEL, 1, 0);
break;
default:
sprintf(buf,"%lu",cfg.EncCfg.bandWidth);
SetDlgItemText(hWndDlg, IDC_CB_BANDWIDTH, buf);
break;
}
CheckDlgButton(hWndDlg,IDC_CHK_AUTOCFG, cfg.AutoCfg);
DISABLE_CTRL(!cfg.AutoCfg);
}
break; // End of WM_INITDIALOG
case WM_CLOSE:
// Closing the Dialog behaves the same as Cancel
PostMessage(hWndDlg, WM_COMMAND, IDCANCEL, 0);
break; // End of WM_CLOSE
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDC_CHK_AUTOCFG:
{
char Enabled=!IsDlgButtonChecked(hWndDlg,IDC_CHK_AUTOCFG);
DISABLE_CTRL(Enabled);
}
break;
case IDOK:
{
char buf[50];
MY_ENC_CFG cfg;
cfg.AutoCfg=IsDlgButtonChecked(hWndDlg,IDC_CHK_AUTOCFG) ? TRUE : FALSE;
cfg.EncCfg.mpegVersion=IsDlgButtonChecked(hWndDlg,IDC_RADIO_MPEG4) ? MPEG4 : MPEG2;
if(IsDlgButtonChecked(hWndDlg,IDC_RADIO_MAIN))
cfg.EncCfg.aacObjectType=MAIN;
if(IsDlgButtonChecked(hWndDlg,IDC_RADIO_LOW))
cfg.EncCfg.aacObjectType=LOW;
if(IsDlgButtonChecked(hWndDlg,IDC_RADIO_SSR))
cfg.EncCfg.aacObjectType=SSR;
if(IsDlgButtonChecked(hWndDlg,IDC_RADIO_LTP))
cfg.EncCfg.aacObjectType=LTP;
cfg.EncCfg.allowMidside=IsDlgButtonChecked(hWndDlg, IDC_CHK_ALLOWMIDSIDE);
cfg.EncCfg.useTns=IsDlgButtonChecked(hWndDlg, IDC_CHK_USETNS);
cfg.EncCfg.useLfe=IsDlgButtonChecked(hWndDlg, IDC_CHK_USELFE);
GetDlgItemText(hWndDlg, IDC_CB_BITRATE, buf, 50);
switch(*buf)
{
case 'A': // Auto
cfg.EncCfg.bitRate=0;
break;
default:
cfg.EncCfg.bitRate=GetDlgItemInt(hWndDlg, IDC_CB_BITRATE, 0, FALSE);
}
GetDlgItemText(hWndDlg, IDC_CB_BANDWIDTH, buf, 50);
switch(*buf)
{
case 'A': // Auto
cfg.EncCfg.bandWidth=0;
break;
case 'F': // Full
cfg.EncCfg.bandWidth=0xffffffff;
break;
default:
cfg.EncCfg.bandWidth=GetDlgItemInt(hWndDlg, IDC_CB_BANDWIDTH, 0, FALSE);
}
cfg.UseQuality=IsDlgButtonChecked(hWndDlg,IDC_RADIO_QUALITY) ? TRUE : FALSE;
GetDlgItemText(hWndDlg, IDC_CB_QUALITY, buf, 50);
switch(*buf)
{
case 'D': // Default
cfg.EncCfg.quantqual=100;
break;
default:
cfg.EncCfg.quantqual=GetDlgItemInt(hWndDlg, IDC_CB_QUALITY, 0, FALSE);
}
cfg.EncCfg.outputFormat=IsDlgButtonChecked(hWndDlg,IDC_RADIO_RAW) ? RAW : ADTS;
WriteCfgEnc(&cfg);
EndDialog(hWndDlg, 1);
}
break;
case IDCANCEL:
// Ignore data values entered into the controls
// and dismiss the dialog window returning FALSE
EndDialog(hWndDlg, FALSE);
break;
case IDC_BTN_ABOUT:
DialogBox((HINSTANCE)hInst,(LPCSTR)MAKEINTRESOURCE(IDD_ABOUT), (HWND)hWndDlg, (DLGPROC)DialogMsgProcAbout);
break;
case IDC_RADIO_MPEG4:
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LTP), !IsDlgButtonChecked(hWndDlg,IDC_CHK_AUTOCFG));
break;
case IDC_RADIO_MPEG2:
EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LTP), FALSE);
DISABLE_LTP
break;
}
break; // End of WM_COMMAND
default:
return FALSE;
}
return TRUE;
}
// *********************************************************************************************
// *********************************************************************************************
// *********************************************************************************************
#define ERROR_FGO(msg) \
{ \
if(msg) \
MessageBox(hWnd, msg, APP_NAME " plugin", MB_OK|MB_ICONSTOP); \
return 0; \
}
// -----------------------------------------------------------------------------------------------
DWORD FAR PASCAL FilterGetOptions(HWND hWnd, HINSTANCE hInst, long lSamprate, WORD wChannels, WORD wBitsPerSample, DWORD dwOptions)
{
CRegistry reg;
long retVal;
BOOL OpenDialog=FALSE;
/* if(!reg.openCreateReg(HKEY_LOCAL_MACHINE,REGISTRY_PROGRAM_NAME "\\FAAD"))
ERROR_FGO("Can't open registry!")
else
if(OpenDialog=reg.getSetRegBool("OpenDialog",FALSE))
reg.setRegBool("OpenDialog",FALSE);
if(OpenDialog)
{
MY_DEC_CFG *Cfg;
if(!(Cfg=(MY_DEC_CFG *)malloc(sizeof(MY_DEC_CFG))))
ERROR_FGO("Memory allocation error");
ReadCfgDec(Cfg);
Cfg->DecCfg.defSampleRate=lSamprate;
switch(wBitsPerSample)
{
case 16:
Cfg->DecCfg.outputFormat=FAAD_FMT_16BIT;
break;
case 24:
Cfg->DecCfg.outputFormat=FAAD_FMT_24BIT;
break;
case 32:
Cfg->DecCfg.outputFormat=FAAD_FMT_32BIT;
break;
default:
ERROR_FGO("Invalid Bps");
}
Cfg->Channels=(BYTE)wChannels;
retVal=DialogBoxParam((HINSTANCE)hInst,(LPCSTR)MAKEINTRESOURCE(IDD_DECODER), (HWND)hWnd, (DLGPROC)DialogMsgProcDecoder, (DWORD)Cfg);
WriteCfgDec(Cfg);
FREE(Cfg);
}
else*/
retVal=DialogBoxParam((HINSTANCE)hInst,(LPCSTR)MAKEINTRESOURCE(IDD_ENCODER), (HWND)hWnd, (DLGPROC)DIALOGMsgProc, dwOptions);
if(retVal==-1)
ERROR_FGO("DialogBoxParam");
return retVal;
}
// *********************************************************************************************
// GetSuggestedSampleType() is called if OpenFilterOutput() returns NULL
void FAR PASCAL GetSuggestedSampleType(LONG *lplSamprate, WORD *lpwBitsPerSample, WORD *wChannels)
{
*lplSamprate=0; // don't care
*lpwBitsPerSample= *lpwBitsPerSample<=16 ? 0: 16;
*wChannels= *wChannels<49 ? 0 : 48;
}
// *********************************************************************************************
void FAR PASCAL CloseFilterOutput(HANDLE hOutput)
{
if(!hOutput)
return;
MYOUTPUT *mo;
GLOBALLOCK(mo,hOutput,MYOUTPUT,return);
if(mo->aacFile)
{
fclose(mo->aacFile);
mo->aacFile=0;
}
if(mo->hEncoder)
faacEncClose(mo->hEncoder);
FREE(mo->bitbuf)
FREE(mo->buffer)
// FREE(mi->dst_name);
GlobalUnlock(hOutput);
GlobalFree(hOutput);
}
// *********************************************************************************************
#define ERROR_OFO(msg) \
{ \
if(msg) \
MessageBox(0, msg, APP_NAME " plugin", MB_OK|MB_ICONSTOP); \
if(hOutput) \
{ \
GlobalUnlock(hOutput); \
CloseFilterOutput(hOutput); \
} \
return 0; \
}
// -----------------------------------------------------------------------------------------------
HANDLE FAR PASCAL OpenFilterOutput(LPSTR lpstrFilename,long lSamprate,WORD wBitsPerSample,WORD wChannels,long lSize, long far *lpChunkSize, DWORD dwOptions)
{
HANDLE hOutput;
MYOUTPUT *mo;
MY_ENC_CFG cfg;
DWORD samplesInput,
maxBytesOutput;
// if(wBitsPerSample!=8 && wBitsPerSample!=16) // 32 bit audio from cooledit is in unsupported format
// return 0;
if(wChannels>=49) // FAAC supports max 48 tracks!
return 0;
if(!(hOutput=GlobalAlloc(GMEM_MOVEABLE|GMEM_SHARE|GMEM_ZEROINIT,sizeof(MYOUTPUT))))
ERROR_OFO("Memory allocation error: hOutput");
if(!(mo=(MYOUTPUT *)GlobalLock(hOutput)))
ERROR_OFO("GlobalLock(hOutput)");
// open the aac output file
if(!(mo->aacFile=fopen(lpstrFilename, "wb")))
ERROR_OFO("Can't create file");
// use bufferized stream
setvbuf(mo->aacFile,NULL,_IOFBF,32767);
// open the encoder library
if(!(mo->hEncoder=faacEncOpen(lSamprate, wChannels, &samplesInput, &maxBytesOutput)))
ERROR_OFO("Can't open library");
if(!(mo->bitbuf=(unsigned char *)malloc(maxBytesOutput*sizeof(unsigned char))))
ERROR_OFO("Memory allocation error: output buffer");
if(!(mo->buffer=(int32_t *)malloc(samplesInput*sizeof(int32_t))))
ERROR_OFO("Memory allocation error: input buffer");
ReadCfgEnc(&cfg);
if(!cfg.AutoCfg)
{
faacEncConfigurationPtr myFormat=&cfg.EncCfg;
faacEncConfigurationPtr CurFormat=faacEncGetCurrentConfiguration(mo->hEncoder);
if(cfg.UseQuality)
{
myFormat->quantqual=cfg.EncCfg.quantqual;
myFormat->bitRate=CurFormat->bitRate;
}
else
if(!myFormat->bitRate)
myFormat->bitRate=CurFormat->bitRate;
else
myFormat->bitRate*=1000;
switch(myFormat->bandWidth)
{
case 0:
myFormat->bandWidth=CurFormat->bandWidth;
break;
case 0xffffffff:
myFormat->bandWidth=lSamprate/2;
break;
default: break;
}
if(!faacEncSetConfiguration(mo->hEncoder, myFormat))
ERROR_OFO("Unsupported parameters");
}
*lpChunkSize=samplesInput*(wBitsPerSample>>3);
// mo->src_size=lSize;
mo->Samprate=lSamprate;
mo->BitsPerSample=wBitsPerSample;
mo->Channels=wChannels;
mo->samplesInput=samplesInput;
mo->maxBytesOutput=maxBytesOutput;
// mi->dst_name=strdup(lpstrFilename);
// init flushing process
int bytesEncoded, tmp;
bytesEncoded=faacEncEncode(mo->hEncoder, 0, 0, mo->bitbuf, maxBytesOutput); // initializes the flushing process
if(bytesEncoded>0)
{
tmp=fwrite(mo->bitbuf, 1, bytesEncoded, mo->aacFile);
if(tmp!=bytesEncoded)
ERROR_OFO("fwrite()");
}
GlobalUnlock(hOutput);
return hOutput;
}
// *********************************************************************************************
#define ERROR_WFO(msg) \
{ \
if(msg) \
MessageBox(0, msg, APP_NAME " plugin", MB_OK|MB_ICONSTOP); \
if(hOutput) \
GlobalUnlock(hOutput); \
return 0; \
}
// -----------------------------------------------------------------------------------------------
DWORD FAR PASCAL WriteFilterOutput(HANDLE hOutput, unsigned char far *bufIn, long lBytes)
{
if(!hOutput)
return 0;
int bytesWritten;
int bytesEncoded;
MYOUTPUT far *mo;
GLOBALLOCK(mo,hOutput,MYOUTPUT,return 0);
int32_t *buf=mo->buffer;
To32bit(buf,bufIn,mo->samplesInput,mo->BitsPerSample>>3,false);
// call the actual encoding routine
bytesEncoded=faacEncEncode(mo->hEncoder, (int32_t *)buf, mo->samplesInput, mo->bitbuf, mo->maxBytesOutput);
if(bytesEncoded>0)
{
// write bitstream to aac file
bytesWritten=fwrite(mo->bitbuf, 1, bytesEncoded, mo->aacFile);
if(bytesWritten!=bytesEncoded)
ERROR_WFO("bytesWritten and bytesEncoded are different");
}
else
{
if(bytesEncoded<0)
ERROR_WFO("faacEncEncode()");
bytesWritten=lBytes ? 1 : 0; // bytesWritten==0 stops CoolEdit
}
GlobalUnlock(hOutput);
return bytesWritten;
}