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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// File: webm_common.h
//
// WebM limits and constants shared among all QuickTime functions
//
//=============================================================================
#ifndef WEBM_COMMON_H
#define WEBM_COMMON_H
#ifdef _WIN32
#pragma once
#endif
// constant that define the bounds of various inputs
static const int cMinVideoFrameWidth = 16;
static const int cMinVideoFrameHeight = 16;
static const int cMaxVideoFrameWidth = 2 * 2048;
static const int cMaxVideoFrameHeight = 2 * 2048;
static const int cMinFPS = 1;
static const int cMaxFPS = 600;
static const float cMinDuration = 0.016666666f; // 1/60th second
static const float cMaxDuration = 3600.0f; // 1 Hour
static const int cMinSampleRate = 11025; // 1/4 CD sample rate
static const int cMaxSampleRate = 88200; // 2x CD rate
//-----------------------------------------------------------------------------
// Computes a power of two at least as big as the passed-in number
//-----------------------------------------------------------------------------
static inline int ComputeGreaterPowerOfTwo( int n )
{
int i = 1;
while ( i < n )
{
i <<= 1;
}
return i;
}
#endif // WEBM_COMMON_H
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