shithub: aacenc

ref: c8e0f497f000cdd9c355ed07e9f0ca4484a8a5c2
dir: /plugins/cooledit/Faac.cpp/

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/*
FAAD - 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@interfree.it
*/

#include <windows.h>
#include <stdio.h>  // FILE *
#include "filters.h" //CoolEdit
#include "resource.h"
#include "faac.h"
#include "CRegistry.h"
#include "defines.h"



typedef struct output_tag  // any special vars associated with output file
{
FILE			*fFile;
DWORD			lSize;
long			lSamprate;
WORD			wBitsPerSample;
WORD			wChannels;
char			szNAME[256];

faacEncHandle	hEncoder;
unsigned char	*bitbuf;
DWORD			maxBytesOutput;
long			samplesInput;
BYTE			bStopEnc;
} MYOUTPUT;



typedef struct mc
{
bool					AutoCfg;
faacEncConfiguration	EncCfg;
} MYCFG;



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



void RD_Cfg(MYCFG *cfg) 
{ 
CRegistry reg;

	reg.openCreateReg(HKEY_LOCAL_MACHINE,REGISTRY_PROGRAM_NAME);
	cfg->AutoCfg=reg.getSetRegDword("Auto",true) ? true : false; 
	cfg->EncCfg.mpegVersion=reg.getSetRegDword("MPEG version",MPEG2); 
	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->EncCfg.bitRate=reg.getSetRegDword("BitRate",128000); 
	cfg->EncCfg.bandWidth=reg.getSetRegDword("BandWidth",0); 
	cfg->EncCfg.outputFormat=reg.getSetRegDword("Header",1); 
}

void WR_Cfg(MYCFG *cfg) 
{ 
CRegistry reg;

	reg.openCreateReg(HKEY_LOCAL_MACHINE,REGISTRY_PROGRAM_NAME);
	reg.setRegDword("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.setRegDword("BitRate",cfg->EncCfg.bitRate); 
	reg.setRegDword("BandWidth",cfg->EncCfg.bandWidth); 
	reg.setRegDword("Header",cfg->EncCfg.outputFormat); 
}

#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_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_MAIN), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LOW), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LTP), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_RAW), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_ADTS), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_ALLOWMIDSIDE), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_USETNS), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_CB_BITRATE), Enabled); \
        EnableWindow(GetDlgItem(hWndDlg, IDC_CB_BANDWIDTH), Enabled); \
		if(IsDlgButtonChecked(hWndDlg,IDC_RADIO_MPEG4)) \
			EnableWindow(GetDlgItem(hWndDlg, IDC_RADIO_LTP), Enabled); \
		else \
			DISABLE_LTP \
}

__declspec(dllexport) BOOL FAR PASCAL DIALOGMsgProc(HWND hWndDlg, UINT Message, WPARAM wParam, LPARAM lParam)
{
//DWORD dwOptions=(DWORD)lParam;


	switch(Message)
	{
	case WM_INITDIALOG:
		{
		char buf[50];
		char *BitRate[]={"Auto","8","18","20","24","32","40","48","56","64","96","112","128","160","192","256",0};
		char *BandWidth[]={"Auto","Full","4000","8000","16000","22050","24000","48000",0};
		MYCFG cfg;

			RD_Cfg(&cfg);

			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 0:
              CheckDlgButton(hWndDlg,IDC_RADIO_RAW,TRUE);
		      break;
			case 1:
              CheckDlgButton(hWndDlg,IDC_RADIO_ADTS,TRUE);
		      break;
			}

			CheckDlgButton(hWndDlg, IDC_ALLOWMIDSIDE, cfg.EncCfg.allowMidside);
			CheckDlgButton(hWndDlg, IDC_USETNS, cfg.EncCfg.useTns);
			CheckDlgButton(hWndDlg, IDC_USELFE, cfg.EncCfg.useLfe);
			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, 0L);
		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];
			HANDLE hCfg=(HANDLE)lParam;
			MYCFG 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_ALLOWMIDSIDE);
				cfg.EncCfg.useTns=IsDlgButtonChecked(hWndDlg, IDC_USETNS);
				cfg.EncCfg.useLfe=IsDlgButtonChecked(hWndDlg, IDC_USELFE);
				
				GetDlgItemText(hWndDlg, IDC_CB_BITRATE, buf, 50);
				switch(*buf)
				{
				case 'A': 
						cfg.EncCfg.bitRate=0;
						break;
				default:
						cfg.EncCfg.bitRate=1000*GetDlgItemInt(hWndDlg, IDC_CB_BITRATE, 0, FALSE);
				}
				GetDlgItemText(hWndDlg, IDC_CB_BANDWIDTH, buf, 50);
				switch(*buf)
				{
				case 'A': 
					cfg.EncCfg.bandWidth=0;
					break;
				case 'F':
					cfg.EncCfg.bandWidth=0xffffffff;
					break;
				default:
					cfg.EncCfg.bandWidth=GetDlgItemInt(hWndDlg, IDC_CB_BANDWIDTH, 0, FALSE);
				}
				cfg.EncCfg.outputFormat=IsDlgButtonChecked(hWndDlg,IDC_RADIO_RAW) ? 0 : 1;

				WR_Cfg(&cfg);
				EndDialog(hWndDlg, (DWORD)hCfg);
			}
			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:
           	 {
		     char buf[256];
 			  sprintf(buf,	APP_NAME " plugin %s by 4N\n"
							"This plugin uses FAAC encoder engine v%g and FAAD2 decoder engine\n\n"
							"Compiled on %s\n",
							APP_VER,
							FAACENC_VERSION,
							__DATE__
						  );
		      MessageBox(hWndDlg, buf, "About", MB_OK);
             }
             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;
} // End of DIALOGSMsgProc                                      
// *********************************************************************************************

__declspec(dllexport) DWORD FAR PASCAL FilterGetOptions(HWND hWnd, HINSTANCE hInst, long lSamprate, WORD wChannels, WORD wBitsPerSample, DWORD dwOptions) // return 0 if no options box
{
long nDialogReturn=0;
FARPROC lpfnDIALOGMsgProc;
	
	lpfnDIALOGMsgProc=GetProcAddress(hInst,(LPCSTR)MAKELONG(20,0));			
	nDialogReturn=(long)DialogBoxParam((HINSTANCE)hInst,(LPCSTR)MAKEINTRESOURCE(IDD_COMPRESSION), (HWND)hWnd, (DLGPROC)lpfnDIALOGMsgProc, dwOptions);

	return nDialogReturn;
}
// *********************************************************************************************

__declspec(dllexport) void FAR PASCAL GetSuggestedSampleType(LONG *lplSamprate, WORD *lpwBitsPerSample, WORD *wChannels)
{
	*lplSamprate=0; // don't care
	*lpwBitsPerSample= *lpwBitsPerSample<=24 ? 0: 24;
	*wChannels= *wChannels<=2 ? 0 : 2;
}
// *********************************************************************************************

__declspec(dllexport) DWORD FAR PASCAL FilterWriteFirstSpecialData(HANDLE hInput, 
	SPECIALDATA * psp)
{
	return 0;
}
// *********************************************************************************************

__declspec(dllexport) DWORD FAR PASCAL FilterWriteNextSpecialData(HANDLE hInput, SPECIALDATA * psp)
{	
	return 0;
// only has 1 special data!  Otherwise we would use psp->hSpecialData
// as either a counter to know which item to retrieve next, or as a
// structure with other state information in it.
}
// *********************************************************************************************

__declspec(dllexport) DWORD FAR PASCAL FilterWriteSpecialData(HANDLE hOutput,
	LPCSTR szListType, LPCSTR szType, char * pData,DWORD dwSize)
{
	return 0;
}
// *********************************************************************************************

__declspec(dllexport) void FAR PASCAL CloseFilterOutput(HANDLE hOutput)
{
	if(!hOutput)
		return;

MYOUTPUT *mo;

	mo=(MYOUTPUT *)GlobalLock(hOutput);
	
	if(mo->fFile)
	{
		fclose(mo->fFile);
		mo->fFile=0;
	}
	
	if(mo->hEncoder)
		faacEncClose(mo->hEncoder);
	
	if(mo->bitbuf)
	{
		free(mo->bitbuf);
		mo->bitbuf=0;
	}
	
	
	GlobalUnlock(hOutput);
	GlobalFree(hOutput);
}              
// *********************************************************************************************

#define ERROR_OFO(msg) \
{ \
	if(msg) \
		MessageBox(0, msg, APP_NAME " plugin", MB_OK); \
	if(hOutput) \
	{ \
		GlobalUnlock(hOutput); \
		CloseFilterOutput(hOutput); \
	} \
	return 0; \
}

__declspec(dllexport) HANDLE FAR PASCAL OpenFilterOutput(LPSTR lpstrFilename,long lSamprate,WORD wBitsPerSample,WORD wChannels,long lSize, long far *lpChunkSize, DWORD dwOptions)
{
HANDLE			hOutput;
MYOUTPUT		*mo;
MYCFG			cfg;
DWORD			maxBytesOutput;
DWORD			samplesInput;
int				bytesEncoded;
int				tmp;

    hOutput=GlobalAlloc(GMEM_MOVEABLE|GMEM_SHARE,sizeof(MYOUTPUT));
    if(!hOutput)
		ERROR_OFO("Memory allocation error: hOutput");
	mo=(MYOUTPUT *)GlobalLock(hOutput);
	memset(mo,0,sizeof(MYOUTPUT));

// open the aac output file 
	if(!(mo->fFile=fopen(lpstrFilename, "wb")))
		ERROR_OFO("Can't create file");

// open the encoder library
	if(!(mo->hEncoder=faacEncOpen(lSamprate, wChannels, &samplesInput, &maxBytesOutput)))
		ERROR_OFO("Can't init library");

	if(!(mo->bitbuf=(unsigned char*)malloc(maxBytesOutput*sizeof(unsigned char))))
		ERROR_OFO("Memory allocation error: output buffer");

	*lpChunkSize=samplesInput*2;


	RD_Cfg(&cfg);
	if(!cfg.AutoCfg)
	{
    faacEncConfigurationPtr myFormat=&cfg.EncCfg;
    faacEncConfigurationPtr CurFormat=faacEncGetCurrentConfiguration(mo->hEncoder);

		if(!myFormat->bitRate)
			myFormat->bitRate=CurFormat->bitRate;

		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");
	 }

	mo->fFile=mo->fFile;
	mo->lSize=lSize;
	mo->lSamprate=lSamprate;
	mo->wBitsPerSample=wBitsPerSample;
	mo->wChannels=wChannels;
	strcpy(mo->szNAME,lpstrFilename);

	mo->hEncoder=mo->hEncoder;
    mo->bitbuf=mo->bitbuf;
	mo->maxBytesOutput=maxBytesOutput;
	mo->samplesInput=samplesInput;
	mo->bStopEnc=0;

// init flushing process
    bytesEncoded=faacEncEncode(mo->hEncoder, 0, 0, mo->bitbuf, maxBytesOutput); // initializes the flushing process
    if(bytesEncoded>0)
	{
		tmp=fwrite(mo->bitbuf, 1, bytesEncoded, mo->fFile);
		if(tmp!=bytesEncoded)
			ERROR_OFO("fwrite");
	}

	GlobalUnlock(hOutput);

    return hOutput;
}
// *********************************************************************************************

#define ERROR_WFO(msg) \
{ \
	if(msg) \
		MessageBox(0, msg, APP_NAME " plugin", MB_OK); \
	if(hOutput) \
	{ \
		mo->bStopEnc=1; \
		GlobalUnlock(hOutput); \
	} \
	return 0; \
}

__declspec(dllexport) DWORD FAR PASCAL WriteFilterOutput(HANDLE hOutput, unsigned char far *buf, long lBytes)
{
	if(!hOutput)
		return 0;

int bytesWritten;
int bytesEncoded;
MYOUTPUT far *mo;

	mo=(MYOUTPUT far *)GlobalLock(hOutput);
	
	if(!mo->bStopEnc) // Is this case possible?
	{
		// call the actual encoding routine
		bytesEncoded=faacEncEncode(mo->hEncoder, (short *)buf, mo->samplesInput, mo->bitbuf, mo->maxBytesOutput);
		if(bytesEncoded<1) // end of flushing process
		{
			if(bytesEncoded<0)
				ERROR_WFO("faacEncEncode");
			bytesWritten=lBytes ? 1 : 0; // bytesWritten==0 stops CoolEdit...
			GlobalUnlock(hOutput);
			return bytesWritten;
		}
		// write bitstream to aac file 
		bytesWritten=fwrite(mo->bitbuf, 1, bytesEncoded, mo->fFile);
		if(bytesWritten!=bytesEncoded)
			ERROR_WFO("fwrite");
		
		GlobalUnlock(hOutput);
	}

return bytesWritten;
}