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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2006, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
//
// Convenience functions related to the framesPerSecond attribute
//
//-----------------------------------------------------------------------------
#include <ImfFramesPerSecond.h>
#include "ImathFun.h"
using namespace IMATH_NAMESPACE;
#include "ImfNamespace.h"
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
Rational
guessExactFps (double fps)
{
return guessExactFps (Rational (fps));
}
Rational
guessExactFps (const Rational &fps)
{
const double e = 0.002;
if (abs (double (fps) - double (fps_23_976())) < e)
return fps_23_976();
if (abs (double (fps) - double (fps_29_97())) < e)
return fps_29_97();
if (abs (double (fps) - double (fps_47_952())) < e)
return fps_47_952();
if (abs (double (fps) - double (fps_59_94())) < e)
return fps_59_94();
return fps;
}
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
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