ref: c9715c6aea0091de8b86602f7db0f315b370f4b2
dir: /plugins/winamp/Out_faac.cpp/
/*
FAAC - encoder plugin for Winamp 2
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 <shlobj.h>
#include <stdio.h> // FILE *
#include "resource.h"
#include "out.h"
#include "faac.h"
#include "CRegistry.h"
#include "defines.h"
void Config(HWND);
void About(HWND);
void Init();
void Quit();
int Open(int, int, int, int, int);
void Close();
int Write(char*, int);
int CanWrite();
int IsPlaying();
int Pause(int);
void SetVolume(int);
void SetPan(int);
void Flush(int);
int GetOutputTime();
int GetWrittenTime();
typedef struct output_tag // any special vars associated with output file
{
FILE *fFile;
DWORD lSize;
long lSamprate;
WORD wBitsPerSample;
WORD wChannels;
// DWORD dwDataOffset;
//BOOL bWrittenHeader;
char szNAME[256];
faacEncHandle hEncoder;
unsigned char *bitbuf;
DWORD maxBytesOutput;
long samplesInput;
BYTE bStopEnc;
unsigned char *inbuf;
DWORD full_size; // size of decoded file needed to set the length of progress bar
DWORD tagsize;
DWORD bytes_read; // from file
DWORD bytes_consumed; // by faadDecDecode
DWORD bytes_into_buffer;
DWORD bytes_Enc;
} MYOUTPUT;
typedef struct mc
{
bool AutoCfg;
faacEncConfiguration EncCfg;
char OutDir[MAX_PATH];
} MYCFG;
static MYOUTPUT mo0,
*mo=&mo0; // this is done to copy'n'paste code from CoolEdit plugin
static HBITMAP hBmBrowse=NULL;
char config_AACoutdir[MAX_PATH]="";
static int srate, numchan, bps;
volatile int writtentime, w_offset;
static int last_pause=0;
Out_Module out = {
OUT_VER,
APP_NAME APP_VER,
NULL,
NULL, // hmainwindow
NULL, // hdllinstance
Config,
About,
Init,
Quit,
Open,
Close,
Write,
CanWrite,
IsPlaying,
Pause,
SetVolume,
SetPan,
Flush,
GetWrittenTime,
GetWrittenTime
};
// *********************************************************************************************
Out_Module *winampGetOutModule()
{
return &out;
}
// *********************************************************************************************
BOOL WINAPI DllMain (HANDLE hInst, DWORD ulReason, LPVOID lpReserved)
{
switch(ulReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls((struct HINSTANCE__ *)hInst);
if(!hBmBrowse)
hBmBrowse=LoadBitmap((struct HINSTANCE__ *)hInst, MAKEINTRESOURCE(IDB_BROWSE));
/* Code from LibMain inserted here. Return TRUE to keep the
DLL loaded or return FALSE to fail loading the DLL.
You may have to modify the code in your original LibMain to
account for the fact that it may be called more than once.
You will get one DLL_PROCESS_ATTACH for each process that
loads the DLL. This is different from LibMain which gets
called only once when the DLL is loaded. The only time this
is critical is when you are using shared data sections.
If you are using shared data sections for statically
allocated data, you will need to be careful to initialize it
only once. Check your code carefully.
Certain one-time initializations may now need to be done for
each process that attaches. You may also not need code from
your original LibMain because the operating system may now
be doing it for you.
*/
break;
case DLL_THREAD_ATTACH:
/* Called each time a thread is created in a process that has
already loaded (attached to) this DLL. Does not get called
for each thread that exists in the process before it loaded
the DLL.
Do thread-specific initialization here.
*/
break;
case DLL_THREAD_DETACH:
/* Same as above, but called when a thread in the process
exits.
Do thread-specific cleanup here.
*/
break;
case DLL_PROCESS_DETACH:
if(hBmBrowse)
{
DeleteObject(hBmBrowse);
hBmBrowse=NULL;
}
/* Code from _WEP inserted here. This code may (like the
LibMain) not be necessary. Check to make certain that the
operating system is not doing it for you.
*/
break;
}
/* The return value is only used for DLL_PROCESS_ATTACH; all other
conditions are ignored. */
return TRUE; // successful DLL_PROCESS_ATTACH
}
// *********************************************************************************************
static int CALLBACK WINAPI BrowseCallbackProc( HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData)
{
if (uMsg == BFFM_INITIALIZED)
{
SetWindowText(hwnd,"Select Directory");
SendMessage(hwnd,BFFM_SETSELECTION,(WPARAM)1,(LPARAM)config_AACoutdir);
}
return 0;
}
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);
reg.getSetRegStr("OutDir","",cfg->OutDir,MAX_PATH);
}
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);
reg.setRegStr("OutDir",cfg->OutDir);
}
#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); \
}
#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 \
}
static BOOL CALLBACK DIALOGMsgProc(HWND hWndDlg, UINT Message, WPARAM wParam, LPARAM 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);
SendMessage(GetDlgItem(hWndDlg, IDC_BTN_BROWSE), BM_SETIMAGE, IMAGE_BITMAP, (LPARAM) hBmBrowse);
if(!*cfg.OutDir)
GetCurrentDirectory(MAX_PATH,cfg.OutDir);
SetDlgItemText(hWndDlg, IDC_E_BROWSE, cfg.OutDir);
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': // Auto
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': // 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.EncCfg.outputFormat=IsDlgButtonChecked(hWndDlg,IDC_RADIO_RAW) ? 0 : 1;
GetDlgItemText(hWndDlg, IDC_E_BROWSE, cfg.OutDir, MAX_PATH);
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_BROWSE:
{
char name[MAX_PATH];
BROWSEINFO bi;
ITEMIDLIST *idlist;
bi.hwndOwner = hWndDlg;
bi.pidlRoot = 0;
bi.pszDisplayName = name;
bi.lpszTitle = "Select a directory for AAC-MPEG4 file output:";
bi.ulFlags = BIF_RETURNONLYFSDIRS;
bi.lpfn = BrowseCallbackProc;
bi.lParam = 0;
GetDlgItemText(hWndDlg, IDC_E_BROWSE, config_AACoutdir, MAX_PATH);
idlist = SHBrowseForFolder( &bi );
if(idlist)
{
SHGetPathFromIDList( idlist, config_AACoutdir);
SetDlgItemText(hWndDlg, IDC_E_BROWSE, config_AACoutdir);
}
}
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
// *********************************************************************************************
void Config(HWND hWnd)
{
DialogBox(out.hDllInstance, MAKEINTRESOURCE(IDD_COMPRESSION), hWnd, DIALOGMsgProc);
// dwOptions=DialogBoxParam((HINSTANCE)out.hDllInstance,(LPCSTR)MAKEINTRESOURCE(IDD_COMPRESSION), (HWND)hWnd, (DLGPROC)DIALOGMsgProc, dwOptions);
}
// *********************************************************************************************
void About(HWND hwnd)
{
char buf[256];
sprintf(buf,
APP_NAME " encoder plug-in %s by Antonio Foranna\n\n"
"This plugin uses FAAC encoder engine v%g\n\n"
"Compiled on %s\n",
APP_VER,
FAACENC_VERSION,
__DATE__
);
MessageBox(hwnd, buf, "About", MB_OK);
}
// *********************************************************************************************
void Init()
{
}
// *********************************************************************************************
void Quit()
{
}
// *********************************************************************************************
static char *scanstr_back(char *str, char *toscan, char *defval)
{
char *s=str+strlen(str)-1;
if (strlen(str) < 1) return defval;
if (strlen(toscan) < 1) return defval;
while (1)
{
char *t=toscan;
while (*t)
if (*t++ == *s) return s;
t=CharPrev(str,s);
if (t==s) return defval;
s=t;
}
}
void GetNewFileName(char *lpstrFilename)
{
char temp2[MAX_PATH];
char *t,*p;
GetWindowText(out.hMainWindow,temp2,sizeof(temp2));
t=temp2;
t=scanstr_back(temp2,"-",NULL);
if (t) t[-1]=0;
if (temp2[0] && temp2[1] == '.')
{
char *p1,*p2;
p1=lpstrFilename;
p2=temp2;
while (*p2) *p1++=*p2++;
*p1=0;
p1 = temp2+1;
p2 = lpstrFilename;
while (*p2)
{
*p1++ = *p2++;
}
*p1=0;
temp2[0] = '0';
}
p=temp2;
while (*p != '.' && *p) p++;
if (*p == '.')
{
*p = '-';
p=CharNext(p);
}
while (*p)
{
if (*p == '.' || *p == '/' || *p == '\\' || *p == '*' ||
*p == '?' || *p == ':' || *p == '+' || *p == '\"' ||
*p == '\'' || *p == '|' || *p == '<' || *p == '>') *p = '_';
p=CharNext(p);
}
p=config_AACoutdir;
if (p[0]) while (p[1]) p++;
if (!config_AACoutdir[0] || config_AACoutdir[0] == ' ')
Config(out.hMainWindow);
if (!config_AACoutdir[0])
wsprintf(lpstrFilename,"%s.aac",temp2);
else if (p[0]=='\\')
wsprintf(lpstrFilename,"%s%s.aac",config_AACoutdir,temp2);
else
wsprintf(lpstrFilename,"%s\\%s.aac",config_AACoutdir,temp2);
}
#define ERROR_O(msg) \
{ \
if(msg) \
MessageBox(0, msg, "FAAC plugin", MB_OK); \
Close(); \
return -1; \
}
int Open(int lSamprate, int wChannels, int wBitsPerSample, int bufferlenms, int prebufferms)
{
MYCFG cfg;
DWORD maxBytesOutput;
unsigned long samplesInput;
int bytesEncoded;
int tmp;
char lpstrFilename[MAX_PATH];
w_offset = writtentime = 0;
numchan = wChannels;
srate = lSamprate;
bps = wBitsPerSample;
RD_Cfg(&cfg);
strcpy(config_AACoutdir,cfg.OutDir);
GetNewFileName(lpstrFilename);
memset(mo,0,sizeof(MYOUTPUT));
// open the aac output file
if(!(mo->fFile=fopen(lpstrFilename, "wb")))
ERROR_O("Can't create file");
// use bufferized stream
setvbuf(mo->fFile,NULL,_IOFBF,32767);
// open the encoder library
if(!(mo->hEncoder=faacEncOpen(lSamprate, wChannels, &samplesInput, &maxBytesOutput)))
ERROR_O("Can't init library");
if(!(mo->bitbuf=(unsigned char*)malloc(maxBytesOutput*sizeof(unsigned char))))
ERROR_O("Memory allocation error: output buffer");
if(!(mo->inbuf=(unsigned char*)malloc(samplesInput*sizeof(short))))
ERROR_O("Memory allocation error: input buffer");
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_O("Unsupported parameters");
}
mo->lSamprate=lSamprate;
mo->wBitsPerSample=wBitsPerSample;
mo->wChannels=wChannels;
strcpy(mo->szNAME,lpstrFilename);
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_O("fwrite");
}
return 0;
}
// *********************************************************************************************
void Close()
{
// Following code crashes winamp. why???
if(mo->bytes_into_buffer)
{
int bytesEncoded;
bytesEncoded=faacEncEncode(mo->hEncoder, (short *)mo->inbuf, mo->bytes_into_buffer/sizeof(short), mo->bitbuf, mo->maxBytesOutput);
if(bytesEncoded>0)
fwrite(mo->bitbuf, 1, bytesEncoded, mo->fFile);
}
if(mo->fFile)
{
fclose(mo->fFile);
mo->fFile=0;
}
if(mo->hEncoder)
faacEncClose(mo->hEncoder);
if(mo->bitbuf)
{
free(mo->bitbuf);
mo->bitbuf=0;
}
if(mo->inbuf)
{
free(mo->inbuf);
mo->inbuf=0;
}
// CloseHandle(outfile);
}
// *********************************************************************************************
#define ERROR_W(msg) \
{ \
if(msg) \
MessageBox(0, msg, "FAAC plugin", MB_OK); \
mo->bStopEnc=1; \
return -1; \
}
int Write(char *buf, int len)
{
int bytesWritten;
int bytesEncoded;
int k,i,shift=0;
writtentime += len;
if(!mo->bStopEnc)
{
if(mo->bytes_into_buffer+len<mo->samplesInput*sizeof(short))
{
memcpy(mo->inbuf+mo->bytes_into_buffer, buf, len);
mo->bytes_into_buffer+=len;
return 0;
}
else
if(mo->bytes_into_buffer)
{
shift=mo->samplesInput*sizeof(short)-mo->bytes_into_buffer;
memcpy(mo->inbuf+mo->bytes_into_buffer, buf, shift);
mo->bytes_into_buffer+=shift;
buf+=shift;
len-=shift;
bytesEncoded=faacEncEncode(mo->hEncoder, (short *)mo->inbuf, mo->samplesInput, mo->bitbuf, mo->maxBytesOutput);
mo->bytes_into_buffer=0;
if(bytesEncoded<1) // end of flushing process
{
if(bytesEncoded<0)
ERROR_W("faacEncEncode() failed");
return 0;
}
// write bitstream to aac file
bytesWritten=fwrite(mo->bitbuf, 1, bytesEncoded, mo->fFile);
if(bytesWritten!=bytesEncoded)
ERROR_W("bytesWritten and bytesEncoded are different");
}
// call the actual encoding routine
k=len/(mo->samplesInput*sizeof(short));
for(i=0; i<k; i++)
{
bytesEncoded+=faacEncEncode(mo->hEncoder, ((short *)buf)+i*mo->samplesInput, mo->samplesInput, mo->bitbuf, mo->maxBytesOutput);
if(bytesEncoded<1) // end of flushing process
{
if(bytesEncoded<0)
ERROR_W("faacEncEncode() failed");
return 0;
}
// write bitstream to aac file
bytesWritten=fwrite(mo->bitbuf, 1, bytesEncoded, mo->fFile);
if(bytesWritten!=bytesEncoded)
ERROR_W("bytesWritten and bytesEncoded are different");
}
mo->bytes_into_buffer=len%(mo->samplesInput*sizeof(short));
memcpy(mo->inbuf, buf+k*mo->samplesInput*sizeof(short), mo->bytes_into_buffer);
}
Sleep(0);
return 0;
}
// *********************************************************************************************
int CanWrite()
{
return last_pause ? 0 : 16*1024*1024;
// return last_pause ? 0 : mo->samplesInput;
}
// *********************************************************************************************
int IsPlaying()
{
return 0;
}
// *********************************************************************************************
int Pause(int pause)
{
int t=last_pause;
last_pause=pause;
return t;
}
// *********************************************************************************************
void SetVolume(int volume)
{
}
// *********************************************************************************************
void SetPan(int pan)
{
}
// *********************************************************************************************
void Flush(int t)
{
int a;
w_offset=0;
a = t - GetWrittenTime();
w_offset=a;
}
// *********************************************************************************************
int GetWrittenTime()
{
int t=srate*numchan,l;
int ms=writtentime;
l=ms%t;
ms /= t;
ms *= 1000;
ms += (l*1000)/t;
if (bps == 16) ms/=2;
return ms + w_offset;
}