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WSFLoaders.cpp
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WSFLoaders.cpp
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/*
Whelchel Sound Format
Based on MODs
Josh Whelchel 2003
www.syntesis.ath.cx
*/
/***************************************************************************
* Copyright (C) 2005 by Josh Whelchel *
* *
* 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; either version 2 of the License, or *
* (at your option) any later version. *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
///
/// \file WSFLoaders.cpp Main Loader Functions
// FIND A LOADER FAST by searching for
// WSFL_xxx
// (replace xxx with normal extension)
// (eg WSFL_IT or WSFL_MOD)
char g_cWSFString[] = "WSF!";
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <math.h>
#include "WSFGlob.h"
#include "WSFMod.h"
#include "WSFComp.h"
#ifdef WINWSF
/*
WINWSF is a decleration used when compiling WinWSFTool.
This allows us to give detailed status reports through
the CStatusDlg class.
*/
#include "WinWSFTool\resource.h" // main symbols
#include "WinWSFTool\StdAfx.h"
#include "WinWSFTool\StatusDlg.h"
extern CStatusDlg *g_mStatus;
#endif
// WSFL_IT
//***************************************************************************** */
// *FindSampleOffsets()
//
// Purpose: Finds Sample Offsets
//
// Author : [Josh Whelchel], Created : [2/12/2003 12:56:49 PM]
// Parameters:
//
// [*bData] :
// [nSize] :
//
// Returns: unsigned int
//
//***************************************************************************** */
wsul *CITLoader::FindSampleOffsets( wsfb *bData, wsul nSize, int *nSOut )
{
#ifndef WSFNOSAVE
short nOrds;
short nInsts;
short nSamps;
unsigned int nOff;
unsigned int *nSampOffs;
int i;
char cHead[4];
// Read Header
MOPEN(bData,nSize);
MREAD(cHead,1,4);
if (strncmp(cHead,"IMPM",4)!=0)
return NULL;
// Seek to important infos
MSEEK(28);
// Read number of orders
MREAD(&nOrds,1,2);
// Read number of insts
MREAD(&nInsts,1,2);
// Read number of samples
MREAD(&nSamps,1,2);
// Skip 4 to the cwmt thing
MSEEK(4);
MREAD(&m_nComp,1,2);
// Head to samples ((2) Offset = 00C0h+OrdNum+InsNum*4)
nOff = 192 + nOrds + (nInsts*4);
MBEGIN(nOff);
// Now we're at samples :O
// Allocate room for sample offsets
nSampOffs = (unsigned int*)malloc(4*nSamps);
// Read offsets
for (i=0;i<nSamps;i++)
MREAD(&nSampOffs[i],1,4);
nSOut[0] = nSamps;
return nSampOffs;
#else
return NULL;
#endif
}
//////////////////////////////////////////////////////
// CITLoader::readblock()
//
/// \author Josh Whelchel
/// \date 2/23/2003 9:39:43 PM
/// \brief For Compression
///
//
//////////////////////////////////////////////////////
int CITLoader::readblock(void)
{
int size;
MREAD(&size,1,4);
if (size < 0)
return size;
sourcebuf = (wsfb*)malloc(size);
if (!sourcebuf)
return -1;
MREAD(sourcebuf,size,1);
sourcepos = sourcebuf;
sourceend = sourcebuf + size;
rembits = 8;
return 0;
}
//////////////////////////////////////////////////////
// CITLoader::freeblock()
//
/// \author Josh Whelchel
/// \date 2/23/2003 9:39:50 PM
/// \brief Frees Block
///
//
//////////////////////////////////////////////////////
void CITLoader::freeblock(void)
{
free(sourcebuf);
sourcebuf = NULL;
}
//////////////////////////////////////////////////////
// CITLoader::readbits()
//
/// \author Josh Whelchel
/// \date 2/23/2003 9:39:57 PM
/// \brief Reads Bits
///
//
//////////////////////////////////////////////////////
int CITLoader::readbits(int bitwidth)
{
int val = 0;
int b = 0;
if (sourcepos >= sourceend) return val;
while (bitwidth > rembits) {
val |= *sourcepos++ << b;
if (sourcepos >= sourceend) return val;
b += rembits;
bitwidth -= rembits;
rembits = 8;
}
val |= (*sourcepos & ((1 << bitwidth) - 1)) << b;
*sourcepos >>= bitwidth;
rembits -= bitwidth;
return val;
}
/** WARNING - do we even need to pass `right`? */
/** WARNING - why bother memsetting at all? The whole array is written... */
/** WARNING - check for endianness safety */
//////////////////////////////////////////////////////
// decompress8()
//
// Author:
/// \author Josh Whelchel
/// \date 2/23/2003 9:39:16 PM
/// \brief Decopmresses 8bit Sample
///
//
//////////////////////////////////////////////////////
int CITLoader::decompress8(wsfb *left, wsfb *right, int len, int cmwt)
{
int blocklen, blockpos;
wsfb bitwidth;
short val;
char d1, d2;
memset(left, 0, len * sizeof(*left));
if (right) {
memset(right, 0, len * sizeof(*right));
len <<= 1;
}
while (len > 0) {
//Read a block of compressed data:
if (readblock())
return -1;
//Set up a few variables
blocklen = (len < 0x8000) ? len : 0x8000; //Max block length is 0x8000 wsfbs
blockpos = 0;
bitwidth = 9;
d1 = d2 = 0;
//Start the decompression:
while (blockpos < blocklen) {
//Read a value:
val = (short)readbits(bitwidth);
//Check for bit width change:
if (bitwidth < 7) { //Method 1:
if (val == (1 << (bitwidth - 1))) {
val = (short)readbits(3) + 1;
bitwidth = (val < bitwidth) ? val : val + 1;
continue;
}
}
else if (bitwidth < 9) { //Method 2
wsfb border = (0xFF >> (9 - bitwidth)) - 4;
if (val > border && val <= (border + 8)) {
val -= border;
bitwidth = (val < bitwidth) ? val : val + 1;
continue;
}
}
else if (bitwidth == 9) { //Method 3
if (val & 0x100) {
bitwidth = (val + 1) & 0xFF;
continue;
}
}
else { //Illegal width, abort ?
freeblock();
return -1;
}
//Expand the value to signed wsfb:
{
char v; //The sample value:
if (bitwidth < 8) {
wsfb shift = 8 - bitwidth;
v = (val << shift);
v >>= shift;
}
else
v = (char)val;
//And integrate the sample value
//(It always has to end with integration doesn't it ? ;-)
d1 += v;
d2 += d1;
}
//Store !
/* Version 2.15 was an unofficial version with hacked compression
* code. Yay, better compression :D
*/
if (right && (len & 1))
*right++ = (int)(signed char)(cmwt == 0x215 ? d2 : d1) << 8;
else
*left++ = (int)(signed char)(cmwt == 0x215 ? d2 : d1) << 8;
len--;
blockpos++;
}
freeblock();
}
return 0;
}
//////////////////////////////////////////////////////
// CITLoader::decompress16()
//
// Author:
/// \author Josh Whelchel
/// \date 2/23/2003 9:39:07 PM
/// \brief Decompresses Sample
///
//
//////////////////////////////////////////////////////
int CITLoader::decompress16(wsfb *left, wsfb *right, int len, int cmwt)
{
int blocklen, blockpos;
wsfb bitwidth;
int val;
short d1, d2;
memset(left, 0, len * sizeof(*left));
if (right) {
memset(right, 0, len * sizeof(*right));
len <<= 1;
}
while (len > 0) {
//Read a block of compressed data:
if (readblock())
return -1;
//Set up a few variables
blocklen = (len < 0x4000) ? len : 0x4000; // Max block length is 0x4000 wsfbs
blockpos = 0;
bitwidth = 17;
d1 = d2 = 0;
//Start the decompression:
while (blockpos < blocklen) {
val = readbits(bitwidth);
//Check for bit width change:
if (bitwidth < 7) { //Method 1:
if (val == (1 << (bitwidth - 1))) {
val = readbits(4) + 1;
bitwidth = (val < bitwidth) ? val : val + 1;
continue;
}
}
else if (bitwidth < 17) { //Method 2
short border = (0xFFFF >> (17 - bitwidth)) - 8;
if (val > border && val <= (border + 16)) {
val -= border;
bitwidth = val < bitwidth ? val : val + 1;
continue;
}
}
else if (bitwidth == 17) { //Method 3
if (val & 0x10000) {
bitwidth = (val + 1) & 0xFF;
continue;
}
}
else { //Illegal width, abort ?
freeblock();
return -1;
}
//Expand the value to signed wsfb:
{
short v; //The sample value:
if (bitwidth < 16) {
wsfb shift = 16 - bitwidth;
v = (short)(val << shift);
v >>= shift;
}
else
v = (short)val;
//And integrate the sample value
//(It always has to end with integration doesn't it ? ;-)
d1 += v;
d2 += d1;
}
//Store !
/* Version 2.15 was an unofficial version with hacked compression
* code. Yay, better compression :D
*/
if (right && (len & 1))
*right++ = (int)(signed short)(cmwt == 0x215 ? d2 : d1);
else
*left++ = (int)(signed short)(cmwt == 0x215 ? d2 : d1);
len--;
blockpos++;
}
freeblock();
}
return 0;
}
//////////////////////////////////////////////////////
// *CITLoader::GetSamplePointers()
//
// Author:
/// \author Josh Whelchel
/// \date 2/22/2003 5:23:22 PM
/// \param *bData MOD Data
/// \param nSize Size of Data
/// \param gspData wsf_gspdata struct to fill
/// \return Array of samples (needs to be freed)
/// \brief Gets sample pointers from an IT module
///
//
//////////////////////////////////////////////////////
int CITLoader::GetSamplePointers( wsfb *bData, wsul nSize, wsf_gspdata *gspData )
{
#ifndef WSFNOSAVE
int nSamps;
int i;
wsul *nOffs;
nOffs = FindSampleOffsets(bData,nSize,&nSamps);
MOPEN(bData,nSize);
gspData->nSamples = 0;
InitGSPData(gspData);
sourcebuf = NULL;
sourcepos = NULL;
rembits = 0;
for (i=0;i<nSamps;i++)
{
char cHead[4];
unsigned int nOff;
unsigned int nSOff;
wsul nSampSize;
wsfb flag;
nOff = nOffs[i];
char cName[27];
wsul nInSamps;
wsul nFreq;
MBEGIN(nOff);
// Read Header
MREAD(cHead,1,4);
// Check Header
if (strncmp(cHead,"IMPS",4)!=0){
FreeGSPData(gspData);
free(nOffs);
return 1;
}
// read name
MREAD(cName,12,1);
cName[12]=0;
// go to Flag and read it
MSEEK(2);
MREAD(&flag,1,1);
// go to number of samples
MBEGIN(nOff+48);
MREAD(&nSampSize,1,4);
MSEEK(8);
MREAD(&nFreq,1,4);
nInSamps = nSampSize;
// go to position
MBEGIN(nOff+72);
MREAD(&nSOff,1,4);
if (flag&8){
// We COULD do compression here, but we'd have to
// change the way it saved. :P
/// \todo Support Compression?
continue;
#if 0
int nBit,nCh;
nSampSize = nInSamps;
// int nBit,nCh;
if (flag&2){
nSampSize *= 2; // 16 bit?
nBit = 16;
}
else
nBit = 8;
if (flag&4){
nSampSize *= 2; // stereo?
nCh = 2;
}
else
nCh = 1;
// We add 6 here because we want to mark it as a compressed sample.
// We don't really need to repeat all of that code above.
PushIntoGSP(gspData,nSampSize,nSOff,nInSamps,nCh+6,nBit,cName,nFreq);
#endif
}
else
{
int nBit,nCh;
if (flag&2){
nSampSize *= 2; // 16 bit?
nBit = 16;
}
else
nBit = 8;
if (flag&4){
nSampSize *= 2; // stereo?
nCh = 2;
}
else
nCh = 1;
PushIntoGSP(gspData,nSampSize,nSOff,nInSamps,nCh,nBit,cName,nFreq);
}
// gspData->nSampOffs[i] = nSOff;
// gspData->nSampSizes[i] = nSampSize;
}
// Free those offsets
free(nOffs);
return 0;
#else
return 1;
#endif
}
//////////////////////////////////////////////////////
// CITLoader::Save()
//
// Author:
/// \author Josh Whelchel
/// \date 2/22/2003 5:44:14 PM
/// \param *wOut Mod Out Data
/// \param *wLD Data to Save
/// \brief Saves an IT
///
//
//////////////////////////////////////////////////////
int CITLoader::Save( wsf_modout *wOut, wsf_loaddata *wLD )
{
// Does Nothing
return 0;
}
//////////////////////////////////////////////////////
// CITLoader::Load()
//
// Author:
/// \author Josh Whelchel
/// \date 2/22/2003 12:06:42 PM
/// \param *bData Data to Load
/// \param nSize Size of Data
/// \brief Loads IT modules.
/// Loads IT modules from bData.
///
//
//////////////////////////////////////////////////////
int CITLoader::Load( wsfb *bData, wsul nSize, wsf_loaddata *wLD )
{
#ifndef WSFNOSAVE
int i;
int nSamps;
wsf_gspdata gD;
if (GetSamplePointers(bData,nSize,&gD))
return 1;
MOPEN(bData,nSize);
MBEGIN(4);
MREAD(wLD->cTitle,1,26);
nSamps = gD.nSamples;
// Add and Pick latest sample
wLD->bSamples = (wsf_sample*)malloc(sizeof(wsf_sample)*(nSamps));
wLD->nSampleSizes = (unsigned int*)malloc(4*(nSamps));
wLD->nSamples = nSamps;
// Now we can read samples, just cuz we know where they are ^_^
for (i=0;i<nSamps;i++)
{
wsul nSOff;
unsigned int *nSize;
wsf_sample *wS;
wS = &wLD->bSamples[i];
nSize = &wLD->nSampleSizes[i];
memset(wS,0,sizeof(wsf_sample));
nSize[0] = gD.nSampSizes[i];
wS->nSize = nSize[0];
wS->nBit = gD.nBit[i];
wS->nCh = gD.nCh[i];
wS->nRawSize = wS->nSize;
wS->nSamps = gD.nInSamps[i];
wS->nFreq = gD.nFreqs[i];
nSOff = gD.nSampOffs[i];
strncpy(wS->cName,(char*)gD.cNames+(i*27),26);
wS->cName[26]=0;
if (wS->nSize > 0)
{
MBEGIN(nSOff);
#if 0
if (wS->nCh == 7) // 1+6
{
// We marked it earlier as compressed by adding 6. Now we uncompress.
wS->nCh -= 6;
gD.nCh[i] -= 6;
char *bTemp;
wsul nSize2;
wsul nLx;
bTemp = (char*)malloc(wS->nSamps*(wS->nBit/8));
nLx = g_bS+g_nB-g_bP;
if (wS->nBit == 8)
nSize2 = wsfITUnpack8Bit(bTemp,wS->nSamps,g_bP,nLx,(m_nComp == 0x215));
else
nSize2 = wsfITUnpack16Bit(bTemp,wS->nSamps,g_bP,nLx,(m_nComp == 0x215));
if (nSize2==0)
{
// erk bad compression
FreeGSPData(&gD);
return 1;
}
wS->bSampData = (wsfb*)bTemp;
wS->nSize = nSize2;
nSize[0] = nSize2;
}
else
#endif
{
wS->bSampData = (wsfb*)malloc(wS->nSize);
MREAD(wS->bSampData,1,wS->nSize);
nSize[0] = wS->nSize;
}
if (wS->nCh > 2){
wS->nCh -= 6; // mini-todo: A STEREO COMPRESSED SAMPLE?! :<
fprintf(stderr,"\n\n -- This is a weird IT! Stereo Compressed Samples not supported. -- \n\n");
}
}
}
FreeGSPData(&gD);
wLD->nModSize = nSize;
wLD->bModData = (wsfb*)malloc(nSize);
memcpy(wLD->bModData,bData,nSize);
return 0;
#else
return 1;
#endif
}
// WSFL_WSF
int CWSFLoader::Save( wsf_modout *wOut, wsf_loaddata *wLD )
{
return Save(wOut,wLD,NULL);
}
//////////////////////////////////////////////////////
// CWSFLoader::PrepareSampArray()
//
/// \author Josh Whelchel
/// \date 3/31/2004 4:42:35 PM
/// \brief Prepares a WSF2SampArray and returns WSF2Samps
///
//
//////////////////////////////////////////////////////
WSF2Samps CWSFLoader::PrepareSampArray( void )
{
WSF2Samps ws;
ws = (WSF2Samps)malloc(sizeof(WSF2SampArray));
ws->nSamps = 0;
ws->bSamps = (WSF2Samp*)malloc(0);
ws->nIDs = 0;
ws->bIDs = (wsul*)malloc(0);
#ifdef WINWSF
ws->nNoRender = 0;
ws->nSamplesTotal = 0;
#endif
ws->nSCounts = NULL;
ws->nCurID = 0;
/// \todo Maybe we should have a different init for ws->nCurID. We know that if we run into 0 later, it could POSSIBLY be sample.
return ws;
}
//////////////////////////////////////////////////////
// CWSFLoader::PushIntoSampArray()
//
/// \author Josh Whelchel
/// \date 3/31/2004 4:46:12 PM
/// \param *wS Incoming Sample
/// \param wSamps Sample Array
/// \brief Pushes sample into sample array
///
//
//////////////////////////////////////////////////////
wsul CWSFLoader::PushIntoSampArray( WSF2Samp *wS, WSF2Samps wSamps )
{
wsul i;
i = wSamps->nSamps;
wSamps->nSamps++;
wSamps->bSamps = (WSF2Samp*)realloc(wSamps->bSamps,sizeof(WSF2Samp)*wSamps->nSamps);
memcpy(&wSamps->bSamps[i],wS,sizeof(WSF2Samp));
return i;
}
//////////////////////////////////////////////////////
// CWSFLoader::PushIntoSampArray()
//
/// \author Josh Whelchel
/// \date 3/31/2004 4:59:24 PM
/// \param nID ID of sample in WSP (CWSFPack)
/// \param bFlag Sample reproduction flag
/// \param nPar1 Parameter 1
/// \param nPar2 Parameter 2
/// \param fAmp Amplification
/// \param wSamps Sample Array
/// \brief Pushes sample into sample array
///
//
//////////////////////////////////////////////////////
wsul CWSFLoader::PushIntoSampArray( wsul nID,
wsfb bFlag, wsul nPar1, wsul nPar2, float fAmp, WSF2Samps wSamps )
{
WSF2Samp s;
s.bFlag = bFlag;
s.nPar1 = nPar1;
s.nPar2 = nPar2;
s.nID = nID;
s.nSize = 0;
s.fAmp = fAmp;
return PushIntoSampArray(&s,wSamps);
}
//////////////////////////////////////////////////////
// CWSFLoader::PushRefIntoArray()
//
/// \author Josh Whelchel
/// \date 3/31/2004 4:57:35 PM
/// \param nID ID to push into
/// \param wSamps Sample Array Structure
/// \brief Pushes a Sample Reference into a WSF2Samps structure.
///
//
//////////////////////////////////////////////////////
wsul CWSFLoader::PushRefIntoArray( wsul nID, WSF2Samps wSamps )
{
wsul i;
i = wSamps->nIDs;
wSamps->nIDs++;
wSamps->bIDs = (wsul*)realloc(wSamps->bIDs,sizeof(wsul)*wSamps->nIDs);
wSamps->bIDs[i] = nID;
return i;
}
//////////////////////////////////////////////////////
// CWSFLoader::FreeSampArray()
//
/// \author Josh Whelchel
/// \date 3/31/2004 4:43:26 PM
/// \param wSamps Sample Array
/// \brief Frees a WSF2Samps array of WSF2SampArray
///
//
//////////////////////////////////////////////////////
void CWSFLoader::FreeSampArray( WSF2Samps wS )
{
free(wS->bSamps);
free(wS->bIDs);
free(wS);
}
//////////////////////////////////////////////////////
// CWSFLoader::Save()
//
/// \author Josh Whelchel
/// \date 3/31/2004 3:47:02 PM
/// \param *wOut Data to write to (OUT)
/// \param *wLD Incoming Load Data (IN)
/// \param *nSCounts Sample Counts
/// \brief Saves v2.x WSFMOD
///
//
//////////////////////////////////////////////////////
int CWSFLoader::Save( wsf_modout *wOut, wsf_loaddata *wLD, int *nSCounts )
{
#ifndef WSFNOSAVE
unsigned int i;
wsfb bHi,bLo;
wsfb *bDat;
unsigned int nSize;
unsigned short sH;
unsigned int nCSize;
CBaseLoader *xBL;
wsfb *bCDat;
int nSub;
wsf_gspdata gD;
char cOutExt[5];
int nSCount[WSFS_COUNT];
wsul nFillSize;
nFillSize = strlen(g_cWSFString);
WSF2Samps wSamps;
wSamps = NULL;
// Fill these to zero so we know we haven't used any yet.
for (i=0;i<WSFS_COUNT;i++)
nSCount[i] = 0;
sH = 0;
nSize = wLD->nModSize;
bDat = (wsfb*)malloc(nSize);
memcpy(bDat,wLD->bModData,nSize);
// init nSub
nSub = 0;
// Begin to write :>
MOPEN(wOut->bModData,0);
bHi = WSFMVERHI;
bLo = WSFMVERLO;
// Write Header
MAPP(WSFMHEAD,1,4);
// Write Version
MAPP(&bHi,1,1);
MAPP(&bLo,1,1);
// Write Pack Name
MAPP(m_cCurPack,1,26);
// Write Mod Type
memset(cOutExt,0,5);
strncpy(cOutExt,g_cModExt[wLD->nModType],5);
MAPP(cOutExt,1,5);
// Null Sample Places
// Get Base Loader for that filetype
xBL = GetBaseLoader(wLD->nModType);
nSub = 0;
if (xBL->GetSamplePointers(wLD->bModData,wLD->nModSize,&gD))
{
delete xBL;
MRESET(&wOut->bModData,&wOut->nSize);
free(wOut->bModData);
wOut->bModData = NULL;
free(bDat);
return 1;
}
for (i=0;i<wLD->nSamples;i++)
{
wsfb *bNew;
wsul nNew;
wsul nSOff;
nSOff = gD.nSampOffs[i]+nSub;
if (wLD->nSampleSizes[i])
{
bNew = ReplaceData(bDat,nSize,&nNew,nSOff,wLD->nSampleSizes[i],(wsfb*)g_cWSFString,nFillSize);
free(bDat);
nSub += nFillSize-wLD->nSampleSizes[i];
bDat = bNew;
nSize = nNew;
}
}
delete xBL;
wSamps = PrepareSampArray();
#ifdef WINWSF
g_mStatus->StepSubProgress(wLD->nSamples);
wSamps->nSamplesTotal = wLD->nSamples; // Tell it how many total samples we have.
#endif
// Write Mod FULL Size
MAPP(&nSize,1,4);
// Compress MOD
DoCompression(bDat,nSize,0,&bCDat,&nCSize,true);
// Write Mod Compressed Size
MAPP(&nCSize,1,4);
// Write (Compressed) Mod
MAPP(bCDat,1,nCSize);
// Free Compressed Mod
free(bCDat);
wSamps->nSCounts = nSCounts;
#ifdef WINWSF
g_mStatus->StepSubProgress(wLD->nSamples);
#endif
wsul nTimeSearch=0;
// Read Samples
for (i=0;i<wLD->nSamples;i++)
{
wsf_sample *wS;
wsf_sampout wO;
wsul nID;
float fAmp;
wsfb bFlag;
wsul nPar1, nPar2;
nPar1 = nPar2 = 0;
bFlag = WSFS_NORMAL;
fAmp = 100.0f;
// Pick Sample
wS = &wLD->bSamples[i];
// Copy the sample over
wO.nSize = gD.nSampSizes[i];
wO.bSampData = (wsfb*)malloc(wO.nSize);
wO.nBit = wS->nBit;
wO.nCh = wS->nCh;
wO.nFreq = wS->nFreq;
memcpy(wO.bSampData,wS->bSampData,wO.nSize);
if (wLD->nOggSize && wO.nSize >= wLD->nOggSize)
wO.nOgg = 1; // Ogg
else
wO.nOgg = 0; // No Ogg