150 lines
3.6 KiB
C++
150 lines
3.6 KiB
C++
//
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// SPDX-License-Identifier: BSD-3-Clause
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// Copyright (c) Contributors to the OpenEXR Project.
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//
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#ifndef INCLUDED_IMF_KEY_CODE_H
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#define INCLUDED_IMF_KEY_CODE_H
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//-----------------------------------------------------------------------------
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//
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// class KeyCode
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//
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// A KeyCode object uniquely identifies a motion picture film frame.
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// The following fields specify film manufacturer, film type, film
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// roll and the frame's position within the roll:
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//
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// filmMfcCode film manufacturer code
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// range: 0 - 99
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//
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// filmType film type code
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// range: 0 - 99
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//
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// prefix prefix to identify film roll
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// range: 0 - 999999
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//
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// count count, increments once every perfsPerCount
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// perforations (see below)
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// range: 0 - 9999
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//
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// perfOffset offset of frame, in perforations from
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// zero-frame reference mark
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// range: 0 - 119
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//
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// perfsPerFrame number of perforations per frame
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// range: 1 - 15
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//
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// typical values:
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//
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// 1 for 16mm film
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// 3, 4, or 8 for 35mm film
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// 5, 8 or 15 for 65mm film
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//
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// perfsPerCount number of perforations per count
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// range: 20 - 120
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//
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// typical values:
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//
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// 20 for 16mm film
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// 64 for 35mm film
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// 80 or 120 for 65mm film
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//
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// For more information about the interpretation of those fields see
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// the following standards and recommended practice publications:
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//
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// SMPTE 254 Motion-Picture Film (35-mm) - Manufacturer-Printed
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// Latent Image Identification Information
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//
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// SMPTE 268M File Format for Digital Moving-Picture Exchange (DPX)
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// (section 6.1)
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//
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// SMPTE 270 Motion-Picture Film (65-mm) - Manufacturer- Printed
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// Latent Image Identification Information
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//
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// SMPTE 271 Motion-Picture Film (16-mm) - Manufacturer- Printed
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// Latent Image Identification Information
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//
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//-----------------------------------------------------------------------------
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#include "ImfExport.h"
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#include "ImfNamespace.h"
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
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class IMF_EXPORT_TYPE KeyCode
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{
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public:
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//-------------------------------------
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// Constructors and assignment operator
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//-------------------------------------
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IMF_EXPORT
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KeyCode (
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int filmMfcCode = 0,
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int filmType = 0,
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int prefix = 0,
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int count = 0,
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int perfOffset = 0,
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int perfsPerFrame = 4,
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int perfsPerCount = 64);
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IMF_EXPORT
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KeyCode (const KeyCode& other);
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~KeyCode () = default;
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IMF_EXPORT
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KeyCode& operator= (const KeyCode& other);
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bool operator== (const KeyCode& other) const;
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//----------------------------
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// Access to individual fields
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//----------------------------
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IMF_EXPORT
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int filmMfcCode () const;
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IMF_EXPORT
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void setFilmMfcCode (int filmMfcCode);
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IMF_EXPORT
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int filmType () const;
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IMF_EXPORT
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void setFilmType (int filmType);
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IMF_EXPORT
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int prefix () const;
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IMF_EXPORT
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void setPrefix (int prefix);
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IMF_EXPORT
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int count () const;
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IMF_EXPORT
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void setCount (int count);
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IMF_EXPORT
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int perfOffset () const;
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IMF_EXPORT
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void setPerfOffset (int perfOffset);
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IMF_EXPORT
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int perfsPerFrame () const;
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IMF_EXPORT
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void setPerfsPerFrame (int perfsPerFrame);
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IMF_EXPORT
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int perfsPerCount () const;
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IMF_EXPORT
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void setPerfsPerCount (int perfsPerCount);
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private:
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int _filmMfcCode;
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int _filmType;
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int _prefix;
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int _count;
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int _perfOffset;
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int _perfsPerFrame;
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int _perfsPerCount;
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};
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
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#endif
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