ref: ee6e953ac45426a43e88acd6528ccd07a84d02f7
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"
// *********************************************************************************************
// CMyEncCfg
// *********************************************************************************************
void CMyEncCfg::getCfg(CMyEncCfg *cfg)
{
CRegistry reg;
if(reg.OpenCreate(HKEY_CURRENT_USER, REGISTRY_PROGRAM_NAME "\\FAAC"))
{
cfg->AutoCfg=reg.GetSetBool(REG_AUTO,DEF_AUTO);
cfg->SaveMP4=reg.GetSetBool(REG_WRITEMP4,DEF_WRITEMP4);
cfg->EncCfg.mpegVersion=reg.GetSetDword(REG_MPEGVER,DEF_MPEGVER);
cfg->EncCfg.aacObjectType=reg.GetSetDword(REG_PROFILE,DEF_PROFILE);
cfg->EncCfg.allowMidside=reg.GetSetDword(REG_MIDSIDE,DEF_MIDSIDE);
cfg->EncCfg.useTns=reg.GetSetDword(REG_TNS,DEF_TNS);
cfg->EncCfg.useLfe=reg.GetSetDword(REG_LFE,DEF_LFE);
cfg->UseQuality=reg.GetSetBool(REG_USEQUALTY,DEF_USEQUALTY);
cfg->EncCfg.quantqual=reg.GetSetDword(REG_QUALITY,DEF_QUALITY);
cfg->EncCfg.bitRate=reg.GetSetDword(REG_BITRATE,DEF_BITRATE);
cfg->EncCfg.bandWidth=reg.GetSetDword(REG_BANDWIDTH,DEF_BANDWIDTH);
cfg->EncCfg.outputFormat=reg.GetSetDword(REG_HEADER,DEF_HEADER);
cfg->OutDir=reg.GetSetStr(REG_OutFolder,"");
cfg->TagOn=reg.GetSetByte(REG_TAGON,0);
cfg->Tag.artist=reg.GetSetStr(REG_ARTIST,"");
cfg->Tag.title=reg.GetSetStr(REG_TITLE,"");
cfg->Tag.album=reg.GetSetStr(REG_ALBUM,"");
cfg->Tag.year=reg.GetSetStr(REG_YEAR,"");
cfg->Tag.genre=reg.GetSetStr(REG_GENRE,"");
cfg->Tag.writer=reg.GetSetStr(REG_WRITER,"");
cfg->Tag.comment=reg.GetSetStr(REG_COMMENT,"");
cfg->Tag.trackno=reg.GetSetWord(REG_TRACK,0);
cfg->Tag.ntracks=reg.GetSetWord(REG_NTRACKS,0);
cfg->Tag.discno=reg.GetSetWord(REG_DISK,0);
cfg->Tag.ndiscs=reg.GetSetWord(REG_NDISKS,0);
cfg->Tag.compilation=reg.GetSetByte(REG_COMPILATION,0);
cfg->Tag.artFilename=reg.GetSetStr(REG_ARTFILE,"");
}
else
MessageBox(0,"Can't open registry!",0,MB_OK|MB_ICONSTOP);
}
// -----------------------------------------------------------------------------------------------
void CMyEncCfg::setCfg(CMyEncCfg *cfg)
{
CRegistry reg;
if(reg.OpenCreate(HKEY_CURRENT_USER, REGISTRY_PROGRAM_NAME "\\FAAC"))
{
reg.SetBool(REG_AUTO,cfg->AutoCfg);
reg.SetBool(REG_WRITEMP4,cfg->SaveMP4);
reg.SetDword(REG_MPEGVER,cfg->EncCfg.mpegVersion);
reg.SetDword(REG_PROFILE,cfg->EncCfg.aacObjectType);
reg.SetDword(REG_MIDSIDE,cfg->EncCfg.allowMidside);
reg.SetDword(REG_TNS,cfg->EncCfg.useTns);
reg.SetDword(REG_LFE,cfg->EncCfg.useLfe);
reg.SetBool(REG_USEQUALTY,cfg->UseQuality);
reg.SetDword(REG_QUALITY,cfg->EncCfg.quantqual);
reg.SetDword(REG_BITRATE,cfg->EncCfg.bitRate);
reg.SetDword(REG_BANDWIDTH,cfg->EncCfg.bandWidth);
reg.SetDword(REG_HEADER,cfg->EncCfg.outputFormat);
reg.SetStr(REG_OutFolder,cfg->OutDir);
reg.SetByte(REG_TAGON,cfg->TagOn);
reg.SetStr(REG_ARTIST,cfg->Tag.artist);
reg.SetStr(REG_TITLE,cfg->Tag.title);
reg.SetStr(REG_ALBUM,cfg->Tag.album);
reg.SetStr(REG_YEAR,cfg->Tag.year);
reg.SetStr(REG_GENRE,cfg->Tag.genre);
reg.SetStr(REG_WRITER,cfg->Tag.writer);
reg.SetStr(REG_COMMENT,cfg->Tag.comment);
reg.SetWord(REG_TRACK,cfg->Tag.trackno);
reg.SetWord(REG_NTRACKS,cfg->Tag.ntracks);
reg.SetWord(REG_DISK,cfg->Tag.discno);
reg.SetWord(REG_NDISKS,cfg->Tag.ndiscs);
reg.SetByte(REG_COMPILATION,cfg->Tag.compilation);
reg.SetStr(REG_ARTFILE,cfg->Tag.artFilename);
}
else
MessageBox(0,"Can't open registry!",0,MB_OK|MB_ICONSTOP);
}
// *********************************************************************************************
// Cfaac
// *********************************************************************************************
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); \
return;
}
}
// -----------------------------------------------------------------------------------------------
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;
CMyEncCfg cfg(false);
if(cfg.TagOn && mo->Filename)
cfg.Tag.WriteAacTag(mo->Filename);
}
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);
}
// *********************************************************************************************
HANDLE Cfaac::Init(LPSTR lpstrFilename,long lSamprate,WORD wBitsPerSample,WORD wChannels,long FileSize)
{
MYOUTPUT *mo;
CMyEncCfg cfg(false);
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");
if(cfg.SaveMP4)// || cfg.Tag.On)
if(!strcmpi(lpstrFilename+lstrlen(lpstrFilename)-4,".aac"))
{
strcpy(lpstrFilename+lstrlen(lpstrFilename)-4,".mp4");
FILE *f=fopen(lpstrFilename,"rb");
if(f)
{
char buf[MAX_PATH+20];
sprintf(buf,"Overwrite \"%s\" ?",lpstrFilename);
fclose(f);
if(MessageBox(NULL,buf,"File already exists!",MB_YESNO|MB_ICONQUESTION)==IDNO)
return ERROR_Init(0);//"User abort");
}
}
else
if(strcmpi(lpstrFilename+lstrlen(lpstrFilename)-4,".mp4"))
strcat(lpstrFilename,".mp4");
mo->WriteMP4= !strcmpi(lpstrFilename+lstrlen(lpstrFilename)-4,".mp4") ||
!strcmpi(lpstrFilename+lstrlen(lpstrFilename)-4,".m4a");
faacEncConfigurationPtr CurFormat=faacEncGetCurrentConfiguration(mo->hEncoder);
CurFormat->inputFormat=FAAC_INPUT_32BIT;
/* 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;
}*/
if(!cfg.AutoCfg)
{
faacEncConfigurationPtr myFormat=&cfg.EncCfg;
if(cfg.UseQuality)
{
CurFormat->quantqual=myFormat->quantqual;
CurFormat->bitRate=0;//myFormat->bitRate;
}
else
{
CurFormat->bitRate=myFormat->bitRate*1000;
CurFormat->quantqual=100;
}
switch(CurFormat->bandWidth)
{
case 0: // Auto
break;
case 0xffffffff: // Full
CurFormat->bandWidth=lSamprate/2;
break;
default:
CurFormat->bandWidth=myFormat->bandWidth;
break;
}
CurFormat->mpegVersion=myFormat->mpegVersion;
CurFormat->outputFormat=myFormat->outputFormat;
CurFormat->mpegVersion=myFormat->mpegVersion;
CurFormat->aacObjectType=myFormat->aacObjectType;
CurFormat->allowMidside=myFormat->allowMidside;
CurFormat->useTns=myFormat->useTns;
}
else
{
CurFormat->mpegVersion=DEF_MPEGVER;
CurFormat->aacObjectType=DEF_PROFILE;
CurFormat->allowMidside=DEF_MIDSIDE;
CurFormat->useTns=DEF_TNS;
CurFormat->useLfe=DEF_LFE;
CurFormat->quantqual=DEF_QUALITY;
CurFormat->bitRate=DEF_BITRATE;
CurFormat->bandWidth=DEF_BANDWIDTH;
CurFormat->outputFormat=DEF_HEADER;
}
if(mo->WriteMP4)
CurFormat->outputFormat=RAW;
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;
if(cfg.TagOn)
cfg.Tag.WriteMP4Tag(mo->MP4File);
}
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);
mo->Filename=strdup(lpstrFilename);
}
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);
}
// if(mo->BitsPerSample==8 || mo->BitsPerSample==32)
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("Write failed!");
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;
}