ref: 140302ba4debaf96fa65cfb96ab6223df7bb153c
dir: /plugins/winamp/Cfaac.cpp/
/*
FAAC - codec plugin for Cooledit
Copyright (C) 2004 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:
ntnfrn_email-temp@yahoo.it
*/
#include "Cfaac.h"
// *********************************************************************************************
#define FREE_ARRAY(ptr) \
{ \
if(ptr) \
free(ptr); \
ptr=0; \
}
// *********************************************************************************************
Cfaac::Cfaac(HANDLE hOut)
{
if(hOut)
{
hOutput=hOut;
return;
}
if(!(hOutput=GlobalAlloc(GMEM_MOVEABLE|GMEM_SHARE|GMEM_ZEROINIT,sizeof(MYOUTPUT))))
MessageBox(0, "Memory allocation error: hOutput", APP_NAME " plugin", MB_OK|MB_ICONSTOP); \
/*
MYOUTPUT *mo;
if(!(mo=(MYOUTPUT *)GlobalLock(hOutput)))
MessageBox(0, "GlobalLock(hOutput)", APP_NAME " plugin", MB_OK|MB_ICONSTOP); \
GlobalUnlock(hOutput);*/
}
// -----------------------------------------------------------------------------------------------
Cfaac::~Cfaac()
{
if(!hOutput)
return;
MYOUTPUT *mo;
GLOBALLOCK(mo,hOutput,MYOUTPUT,return);
if(mo->WrittenSamples)
{
int BytesWritten;
if(mo->bytes_into_buffer>0)
memset(mo->bufIn+mo->bytes_into_buffer, 0, (mo->samplesInput*(mo->BitsPerSample>>3))-mo->bytes_into_buffer);
do
{
if((BytesWritten=processData(hOutput,mo->bufIn,mo->bytes_into_buffer))<0)
MessageBox(0, "~Cfaac: processData", APP_NAME " plugin", MB_OK|MB_ICONSTOP);
mo->bytes_into_buffer=0;
}while(BytesWritten>0);
}
if(mo->aacFile)
{
fclose(mo->aacFile);
mo->aacFile=0;
}
else
{
MP4Close(mo->MP4File);
mo->MP4File=0;
}
if(mo->hEncoder)
faacEncClose(mo->hEncoder);
FREE_ARRAY(mo->bitbuf)
FREE_ARRAY(mo->buf32bit)
FREE_ARRAY(mo->bufIn)
GlobalUnlock(hOutput);
GlobalFree(hOutput);
}
// *********************************************************************************************
// Utilities
// *********************************************************************************************
#define SWAP32(x) (((x & 0xff) << 24) | ((x & 0xff00) << 8) \
| ((x & 0xff0000) >> 8) | ((x & 0xff000000) >> 24))
#define SWAP16(x) (((x & 0xff) << 8) | ((x & 0xff00) >> 8))
void Cfaac::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;
}
}
// *********************************************************************************************
// Main functions
// *********************************************************************************************
void Cfaac::DisplayError(char *ProcName, char *str)
{
char buf[100]="";
if(str && *str)
{
if(ProcName && *ProcName)
sprintf(buf,"%s: ", ProcName);
strcat(buf,str);
MessageBox(0, buf, APP_NAME " plugin", MB_OK|MB_ICONSTOP);
}
MYOUTPUT *mo;
GLOBALLOCK(mo,hOutput,MYOUTPUT,return);
mo->bytes_into_buffer=-1;
GlobalUnlock(hOutput);
GlobalUnlock(hOutput);
}
// *********************************************************************************************
void Cfaac::getFaacCfg(MY_ENC_CFG *cfg)
{
CRegistry reg;
if(reg.openCreateReg(HKEY_LOCAL_MACHINE,REGISTRY_PROGRAM_NAME "\\FAAC"))
{
cfg->AutoCfg=reg.getSetRegBool("Auto",true);
cfg->SaveMP4=reg.getSetRegBool("Write MP4",false);
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 Cfaac::setFaacCfg(MY_ENC_CFG *cfg)
{
CRegistry reg;
if(reg.openCreateReg(HKEY_LOCAL_MACHINE,REGISTRY_PROGRAM_NAME "\\FAAC"))
{
reg.setRegBool("Auto",cfg->AutoCfg);
reg.setRegBool("Write MP4",cfg->SaveMP4);
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);
}
// *********************************************************************************************
HANDLE Cfaac::Init(LPSTR lpstrFilename,long lSamprate,WORD wBitsPerSample,WORD wChannels,long FileSize)
{
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>48) // FAAC supports max 48 tracks!
return NULL;
GLOBALLOCK(mo,hOutput,MYOUTPUT,return NULL);
// open the encoder library
if(!(mo->hEncoder=faacEncOpen(lSamprate, wChannels, &samplesInput, &maxBytesOutput)))
return ERROR_Init("Can't open library");
if(!(mo->bitbuf=(unsigned char *)malloc(maxBytesOutput*sizeof(unsigned char))))
return ERROR_Init("Memory allocation error: output buffer");
if(!(mo->bufIn=(BYTE *)malloc(samplesInput*sizeof(int32_t))))
return ERROR_Init("Memory allocation error: input buffer");
if(!(mo->buf32bit=(int32_t *)malloc(samplesInput*sizeof(int32_t))))
return ERROR_Init("Memory allocation error: 32 bit buffer");
getFaacCfg(&cfg);
if(cfg.SaveMP4)
if(!strcmpi(lpstrFilename+lstrlen(lpstrFilename)-4,".aac"))
strcpy(lpstrFilename+lstrlen(lpstrFilename)-4,".mp4");
else
if(strcmpi(lpstrFilename+lstrlen(lpstrFilename)-4,".mp4"))
strcat(lpstrFilename,".mp4");
mo->WriteMP4=!strcmpi(lpstrFilename+lstrlen(lpstrFilename)-4,".mp4");
if(cfg.AutoCfg)
{
faacEncConfigurationPtr myFormat=&cfg.EncCfg;
faacEncConfigurationPtr CurFormat=faacEncGetCurrentConfiguration(mo->hEncoder);
if(mo->WriteMP4)
CurFormat->outputFormat=RAW;
CurFormat->useLfe=wChannels>=6 ? 1 : 0;
if(!faacEncSetConfiguration(mo->hEncoder, CurFormat))
return ERROR_Init("Unsupported parameters!");
}
else
{
faacEncConfigurationPtr myFormat=&cfg.EncCfg;
faacEncConfigurationPtr CurFormat=faacEncGetCurrentConfiguration(mo->hEncoder);
if(cfg.UseQuality)
{
CurFormat->quantqual=myFormat->quantqual;
CurFormat->bitRate=myFormat->bitRate;
}
else
if(!CurFormat->bitRate)
CurFormat->bitRate=myFormat->bitRate;
else
CurFormat->bitRate*=1000;
switch(CurFormat->bandWidth)
{
case 0:
break;
case 0xffffffff:
CurFormat->bandWidth=lSamprate/2;
break;
default:
CurFormat->bandWidth=myFormat->bandWidth;
break;
}
/*
switch(wBitsPerSample)
{
case 16:
CurFormat->inputFormat=FAAC_INPUT_16BIT;
break;
case 24:
CurFormat->inputFormat=FAAC_INPUT_24BIT;
break;
case 32:
CurFormat->inputFormat=FAAC_INPUT_32BIT;
break;
default:
CurFormat->inputFormat=FAAC_INPUT_NULL;
break;
}
*/
CurFormat->mpegVersion=myFormat->mpegVersion;
CurFormat->outputFormat=mo->WriteMP4 ? 0 : myFormat->outputFormat;
CurFormat->mpegVersion=myFormat->mpegVersion;
CurFormat->aacObjectType=myFormat->aacObjectType;
CurFormat->allowMidside=myFormat->allowMidside;
CurFormat->useTns=myFormat->useTns;
CurFormat->useLfe=wChannels>=6 ? 1 : 0;
if(!faacEncSetConfiguration(mo->hEncoder, CurFormat))
return ERROR_Init("Unsupported parameters!");
}
// mo->src_size=lSize;
// mi->dst_name=strdup(lpstrFilename);
mo->Samprate=lSamprate;
mo->BitsPerSample=wBitsPerSample;
mo->Channels=wChannels;
mo->samplesInput=samplesInput;
mo->samplesInputSize=samplesInput*(mo->BitsPerSample>>3);
mo->maxBytesOutput=maxBytesOutput;
if(mo->WriteMP4) // Create MP4 file --------------------------------------------------------------------------
{
BYTE *ASC=0;
DWORD ASCLength=0;
if((mo->MP4File=MP4Create(lpstrFilename, 0, 0, 0))==MP4_INVALID_FILE_HANDLE)
return ERROR_Init("Can't create file");
MP4SetTimeScale(mo->MP4File, 90000);
mo->MP4track=MP4AddAudioTrack(mo->MP4File, lSamprate, MP4_INVALID_DURATION, MP4_MPEG4_AUDIO_TYPE);
MP4SetAudioProfileLevel(mo->MP4File, 0x0F);
faacEncGetDecoderSpecificInfo(mo->hEncoder, &ASC, &ASCLength);
MP4SetTrackESConfiguration(mo->MP4File, mo->MP4track, (unsigned __int8 *)ASC, ASCLength);
mo->frameSize=samplesInput/wChannels;
mo->ofs=mo->frameSize;
}
else // Create AAC file -----------------------------------------------------------------------------
{
// open the aac output file
if(!(mo->aacFile=fopen(lpstrFilename, "wb")))
return ERROR_Init("Can't create file");
// use bufferized stream
setvbuf(mo->aacFile,NULL,_IOFBF,32767);
}
showInfo(mo);
GlobalUnlock(hOutput);
return hOutput;
}
// *********************************************************************************************
int Cfaac::processData(HANDLE hOutput, BYTE *bufIn, DWORD len)
{
if(!hOutput)
return -1;
int bytesWritten=0;
int bytesEncoded;
MYOUTPUT far *mo;
GLOBALLOCK(mo,hOutput,MYOUTPUT,return 0);
int32_t *buf=mo->buf32bit;
if((int)len<mo->samplesInputSize)
{
mo->samplesInput=(len<<3)/mo->BitsPerSample;
mo->samplesInputSize=mo->samplesInput*(mo->BitsPerSample>>3);
}
To32bit(buf,bufIn,mo->samplesInput,mo->BitsPerSample>>3,false);
// call the actual encoding routine
if((bytesEncoded=faacEncEncode(mo->hEncoder, (int32_t *)buf, mo->samplesInput, mo->bitbuf, mo->maxBytesOutput))<0)
return ERROR_processData("faacEncEncode()");
// write bitstream to aac file
if(mo->aacFile)
{
if(bytesEncoded>0)
{
if((bytesWritten=fwrite(mo->bitbuf, 1, bytesEncoded, mo->aacFile))!=bytesEncoded)
return ERROR_processData("fwrite");
mo->WrittenSamples=1; // needed into destructor
}
}
else
// write bitstream to mp4 file
{
MP4Duration dur,
SamplesLeft;
if(len>0)
{
mo->srcSize+=len;
dur=mo->frameSize;
}
else
{
mo->TotalSamples=(mo->srcSize<<3)/(mo->BitsPerSample*mo->Channels);
SamplesLeft=(mo->TotalSamples-mo->WrittenSamples)+mo->frameSize;
dur=SamplesLeft>mo->frameSize ? mo->frameSize : SamplesLeft;
}
if(bytesEncoded>0)
{
if(!(bytesWritten=MP4WriteSample(mo->MP4File, mo->MP4track, (unsigned __int8 *)mo->bitbuf, (DWORD)bytesEncoded, dur, mo->ofs, true) ? bytesEncoded : -1))
return ERROR_processData("MP4WriteSample");
mo->ofs=0;
mo->WrittenSamples+=dur;
}
}
showProgress(mo);
GlobalUnlock(hOutput);
return bytesWritten;
}
// -----------------------------------------------------------------------------------------------
int Cfaac::processDataBufferized(HANDLE hOutput, BYTE *bufIn, long lBytes)
{
if(!hOutput)
return -1;
int bytesWritten=0, tot=0;
MYOUTPUT far *mo;
GLOBALLOCK(mo,hOutput,MYOUTPUT,return 0);
if(mo->bytes_into_buffer>=0)
do
{
if(mo->bytes_into_buffer+lBytes<mo->samplesInputSize)
{
memmove(mo->bufIn+mo->bytes_into_buffer, bufIn, lBytes);
mo->bytes_into_buffer+=lBytes;
lBytes=0;
}
else
{
int shift=mo->samplesInputSize-mo->bytes_into_buffer;
memmove(mo->bufIn+mo->bytes_into_buffer, bufIn, shift);
mo->bytes_into_buffer+=shift;
bufIn+=shift;
lBytes-=shift;
tot+=bytesWritten=processData(hOutput,mo->bufIn,mo->bytes_into_buffer);
if(bytesWritten<0)
return ERROR_processData(0);
mo->bytes_into_buffer=0;
}
}while(lBytes);
GlobalUnlock(hOutput);
return tot;
}