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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $Date: $
//
//-----------------------------------------------------------------------------
// $Log: $
//
// $NoKeywords: $
//=============================================================================//
#ifndef VOX_PRIVATE_H
#define VOX_PRIVATE_H
#pragma once
#ifndef VOX_H
#include "vox.h"
#endif
#ifndef UTLVECTOR_H
#include "utlvector.h"
#endif
#include "utlsymbol.h"
struct channel_t;
class CSfxTable;
class CAudioMixer;
struct voxword_t
{
int volume; // increase percent, ie: 125 = 125% increase
int pitch; // pitch shift up percent
int start; // offset start of wave percent
int end; // offset end of wave percent
int cbtrim; // end of wave after being trimmed to 'end'
int fKeepCached; // 1 if this word was already in cache before sentence referenced it
int samplefrac; // if pitch shifting, this is position into wav * 256
int timecompress; // % of wave to skip during playback (causes no pitch shift)
CSfxTable *sfx; // name and cache pointer
};
#define CVOXWORDMAX 32
#define CVOXZEROSCANMAX 255 // scan up to this many samples for next zero crossing
struct sentence_t
{
sentence_t() :
pName( 0 ),
length( 0.0f ),
closecaption( false )
{
}
char *pName;
float length;
bool closecaption : 7;
bool isPrecached : 1;
CUtlSymbol caption;
};
extern CUtlVector<sentence_t> g_Sentences;
extern int VOX_FPaintPitchChannelFrom8( channel_t *ch, sfxcache_t *sc, int count, int pitch, int timecompress );
extern void VOX_TrimStartEndTimes( channel_t *ch, sfxcache_t *sc );
extern int VOX_ParseWordParams( char *psz, voxword_t *pvoxword, int fFirst );
extern void VOX_SetChanVol( channel_t *ch );
extern char **VOX_ParseString( char *psz );
extern CAudioMixer *CreateSentenceMixer( voxword_t *pwords );
#endif // VOX_PRIVATE_H
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