76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
|
///////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// 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 Imf {
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace Imf
|