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Martin Felis
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<h1>/home/dwoods/DevIL/src-IL/include/il_dpx.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//-----------------------------------------------------------------------------</span>
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<a name="l00002"></a>00002 <span class="comment">//</span>
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<a name="l00003"></a>00003 <span class="comment">// ImageLib Sources</span>
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<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2000-2009 by Denton Woods</span>
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<a name="l00005"></a>00005 <span class="comment">// Last modified: 02/26/2009</span>
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<a name="l00006"></a>00006 <span class="comment">//</span>
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<a name="l00007"></a>00007 <span class="comment">// Filename: src-IL/include/il_dpx.h</span>
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<a name="l00008"></a>00008 <span class="comment">//</span>
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<a name="l00009"></a>00009 <span class="comment">// Description: Reads from a Digital Picture Exchange (.dpx) file.</span>
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<a name="l00010"></a>00010 <span class="comment">// Specifications for this format were found at</span>
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<a name="l00011"></a>00011 <span class="comment">// http://www.cineon.com/ff_draft.php and</span>
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<a name="l00012"></a>00012 <span class="comment">// http://www.fileformat.info/format/dpx/.</span>
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<a name="l00013"></a>00013 <span class="comment">//</span>
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<a name="l00014"></a>00014 <span class="comment">//-----------------------------------------------------------------------------</span>
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<a name="l00015"></a>00015
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<a name="l00016"></a>00016
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<a name="l00017"></a>00017 <span class="preprocessor">#ifndef DPX_H</span>
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<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define DPX_H</span>
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<a name="l00019"></a>00019 <span class="preprocessor"></span>
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<a name="l00020"></a>00020 <span class="preprocessor">#include "il_internal.h"</span>
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<a name="l00021"></a>00021
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 <span class="preprocessor">#ifdef _WIN32</span>
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<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#pragma pack(push, packed_struct, 1)</span>
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<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
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<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keyword">struct </span>R32
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<a name="l00027"></a>00027 {
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<a name="l00028"></a>00028 ILubyte r, g, b, a;
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<a name="l00029"></a>00029 } IL_PACKSTRUCT R32;
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<a name="l00030"></a>00030 <span class="preprocessor">#ifdef _WIN32</span>
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<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#pragma pack(pop, packed_struct)</span>
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<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
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<a name="l00033"></a>00033 <span class="preprocessor"></span>
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<a name="l00034"></a>00034
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<a name="l00035"></a>00035 <span class="keyword">typedef</span> <span class="keyword">struct </span>DPX_FILE_INFO
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<a name="l00036"></a>00036 {
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<a name="l00037"></a>00037 ILuint MagicNum; <span class="comment">/* magic number 0x53445058 (SDPX) or 0x58504453 (XPDS) */</span>
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<a name="l00038"></a>00038 ILuint Offset; <span class="comment">/* offset to image data in bytes */</span>
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<a name="l00039"></a>00039 ILbyte Vers[8]; <span class="comment">/* which header format version is being used (v1.0)*/</span>
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<a name="l00040"></a>00040 ILuint FileSize; <span class="comment">/* file size in bytes */</span>
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<a name="l00041"></a>00041 ILuint DittoKey; <span class="comment">/* read time short cut - 0 = same, 1 = new */</span>
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<a name="l00042"></a>00042 ILuint GenHdrSize; <span class="comment">/* generic header length in bytes */</span>
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<a name="l00043"></a>00043 ILuint IndHdrSize; <span class="comment">/* industry header length in bytes */</span>
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<a name="l00044"></a>00044 ILuint UserDataSize; <span class="comment">/* user-defined data length in bytes */</span>
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<a name="l00045"></a>00045 ILbyte FileName[100]; <span class="comment">/* image file name */</span>
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<a name="l00046"></a>00046 ILbyte CreateTime[24]; <span class="comment">/* file creation date "yyyy:mm:dd:hh:mm:ss:LTZ" */</span>
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<a name="l00047"></a>00047 ILbyte Creator[100]; <span class="comment">/* file creator's name */</span>
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<a name="l00048"></a>00048 ILbyte Project[200]; <span class="comment">/* project name */</span>
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<a name="l00049"></a>00049 ILbyte Copyright[200]; <span class="comment">/* right to use or copyright info */</span>
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<a name="l00050"></a>00050 ILuint Key; <span class="comment">/* encryption ( FFFFFFFF = unencrypted ) */</span>
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<a name="l00051"></a>00051 ILbyte Reserved[104]; <span class="comment">/* reserved field TBD (need to pad) */</span>
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<a name="l00052"></a>00052 } DPX_FILE_INFO;
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<a name="l00053"></a>00053
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<a name="l00054"></a>00054 <span class="keyword">typedef</span> <span class="keyword">struct </span>DPX_IMAGE_ELEMENT
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<a name="l00055"></a>00055 {
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<a name="l00056"></a>00056 ILuint DataSign; <span class="comment">/* data sign (0 = unsigned, 1 = signed ) */</span>
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<a name="l00057"></a>00057 <span class="comment">/* "Core set images are unsigned" */</span>
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<a name="l00058"></a>00058 ILuint RefLowData; <span class="comment">/* reference low data code value */</span>
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<a name="l00059"></a>00059 R32 RefLowQuantity; <span class="comment">/* reference low quantity represented */</span>
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<a name="l00060"></a>00060 ILuint RefHighData; <span class="comment">/* reference high data code value */</span>
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<a name="l00061"></a>00061 R32 RefHighQuantity;<span class="comment">/* reference high quantity represented */</span>
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<a name="l00062"></a>00062 ILubyte Descriptor; <span class="comment">/* descriptor for image element */</span>
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<a name="l00063"></a>00063 ILubyte Transfer; <span class="comment">/* transfer characteristics for element */</span>
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<a name="l00064"></a>00064 ILubyte Colorimetric; <span class="comment">/* colormetric specification for element */</span>
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<a name="l00065"></a>00065 ILubyte BitSize; <span class="comment">/* bit size for element */</span>
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<a name="l00066"></a>00066 ILushort Packing; <span class="comment">/* packing for element */</span>
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<a name="l00067"></a>00067 ILushort Encoding; <span class="comment">/* encoding for element */</span>
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<a name="l00068"></a>00068 ILuint DataOffset; <span class="comment">/* offset to data of element */</span>
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<a name="l00069"></a>00069 ILuint EolPadding; <span class="comment">/* end of line padding used in element */</span>
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<a name="l00070"></a>00070 ILuint EoImagePadding; <span class="comment">/* end of image padding used in element */</span>
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<a name="l00071"></a>00071 ILbyte Description[32];<span class="comment">/* description of element */</span>
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<a name="l00072"></a>00072 } DPX_IMAGE_ELEMENT; <span class="comment">/* NOTE THERE ARE EIGHT OF THESE */</span>
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<a name="l00073"></a>00073
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075 <span class="keyword">typedef</span> <span class="keyword">struct </span>DPX_IMAGE_INFO
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<a name="l00076"></a>00076 {
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<a name="l00077"></a>00077 ILushort Orientation; <span class="comment">/* image orientation */</span>
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<a name="l00078"></a>00078 ILushort NumElements; <span class="comment">/* number of image elements */</span>
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<a name="l00079"></a>00079 ILuint Width; <span class="comment">/* or x value */</span>
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<a name="l00080"></a>00080 ILuint Height; <span class="comment">/* or y value, per element */</span>
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<a name="l00081"></a>00081 DPX_IMAGE_ELEMENT ImageElement[8];
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<a name="l00082"></a>00082 ILubyte reserved[52]; <span class="comment">/* reserved for future use (padding) */</span>
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<a name="l00083"></a>00083 } DPX_IMAGE_INFO;
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<a name="l00084"></a>00084
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<a name="l00085"></a>00085
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<a name="l00086"></a>00086 <span class="keyword">typedef</span> <span class="keyword">struct </span>DPX_IMAGE_ORIENT
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<a name="l00087"></a>00087 {
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<a name="l00088"></a>00088 ILuint XOffset; <span class="comment">/* X offset */</span>
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<a name="l00089"></a>00089 ILuint YOffset; <span class="comment">/* Y offset */</span>
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<a name="l00090"></a>00090 R32 XCenter; <span class="comment">/* X center */</span>
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<a name="l00091"></a>00091 R32 YCenter; <span class="comment">/* Y center */</span>
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<a name="l00092"></a>00092 ILuint XOrigSize; <span class="comment">/* X original size */</span>
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<a name="l00093"></a>00093 ILuint YOrigSize; <span class="comment">/* Y original size */</span>
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<a name="l00094"></a>00094 ILbyte FileName[100]; <span class="comment">/* source image file name */</span>
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<a name="l00095"></a>00095 ILbyte CreationTime[24]; <span class="comment">/* source image creation date and time */</span>
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<a name="l00096"></a>00096 ILbyte InputDev[32]; <span class="comment">/* input device name */</span>
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<a name="l00097"></a>00097 ILbyte InputSerial[32]; <span class="comment">/* input device serial number */</span>
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<a name="l00098"></a>00098 ILushort Border[4]; <span class="comment">/* border validity (XL, XR, YT, YB) */</span>
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<a name="l00099"></a>00099 ILuint PixelAspect[2]; <span class="comment">/* pixel aspect ratio (H:V) */</span>
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<a name="l00100"></a>00100 ILubyte Reserved[28]; <span class="comment">/* reserved for future use (padding) */</span>
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<a name="l00101"></a>00101 } DPX_IMAGE_ORIENT;
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<a name="l00102"></a>00102
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<a name="l00103"></a>00103
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<a name="l00104"></a>00104 <span class="keyword">typedef</span> <span class="keyword">struct </span>DPX_MOTION_PICTURE_HEAD
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<a name="l00105"></a>00105 {
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<a name="l00106"></a>00106 ILbyte film_mfg_id[2]; <span class="comment">/* film manufacturer ID code (2 digits from film edge code) */</span>
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<a name="l00107"></a>00107 ILbyte film_type[2]; <span class="comment">/* file type (2 digits from film edge code) */</span>
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<a name="l00108"></a>00108 ILbyte offset[2]; <span class="comment">/* offset in perfs (2 digits from film edge code)*/</span>
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<a name="l00109"></a>00109 ILbyte prefix[6]; <span class="comment">/* prefix (6 digits from film edge code) */</span>
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<a name="l00110"></a>00110 ILbyte count[4]; <span class="comment">/* count (4 digits from film edge code)*/</span>
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<a name="l00111"></a>00111 ILbyte format[32]; <span class="comment">/* format (i.e. academy) */</span>
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<a name="l00112"></a>00112 ILuint frame_position; <span class="comment">/* frame position in sequence */</span>
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<a name="l00113"></a>00113 ILuint sequence_len; <span class="comment">/* sequence length in frames */</span>
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<a name="l00114"></a>00114 ILuint held_count; <span class="comment">/* held count (1 = default) */</span>
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<a name="l00115"></a>00115 R32 frame_rate; <span class="comment">/* frame rate of original in frames/sec */</span>
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<a name="l00116"></a>00116 R32 shutter_angle; <span class="comment">/* shutter angle of camera in degrees */</span>
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<a name="l00117"></a>00117 ILbyte frame_id[32]; <span class="comment">/* frame identification (i.e. keyframe) */</span>
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<a name="l00118"></a>00118 ILbyte slate_info[100]; <span class="comment">/* slate information */</span>
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<a name="l00119"></a>00119 ILubyte reserved[56]; <span class="comment">/* reserved for future use (padding) */</span>
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<a name="l00120"></a>00120 } DPX_MOTION_PICTURE_HEAD;
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<a name="l00121"></a>00121
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<a name="l00122"></a>00122
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<a name="l00123"></a>00123 <span class="keyword">typedef</span> <span class="keyword">struct </span>DPX_TELEVISION_HEAD
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<a name="l00124"></a>00124 {
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<a name="l00125"></a>00125 ILuint tim_code; <span class="comment">/* SMPTE time code */</span>
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<a name="l00126"></a>00126 ILuint userBits; <span class="comment">/* SMPTE user bits */</span>
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<a name="l00127"></a>00127 ILubyte interlace; <span class="comment">/* interlace ( 0 = noninterlaced, 1 = 2:1 interlace*/</span>
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<a name="l00128"></a>00128 ILubyte field_num; <span class="comment">/* field number */</span>
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<a name="l00129"></a>00129 ILubyte video_signal; <span class="comment">/* video signal standard (table 4)*/</span>
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<a name="l00130"></a>00130 ILubyte unused; <span class="comment">/* used for byte alignment only */</span>
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<a name="l00131"></a>00131 R32 hor_sample_rate; <span class="comment">/* horizontal sampling rate in Hz */</span>
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<a name="l00132"></a>00132 R32 ver_sample_rate; <span class="comment">/* vertical sampling rate in Hz */</span>
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<a name="l00133"></a>00133 R32 frame_rate; <span class="comment">/* temporal sampling rate or frame rate in Hz */</span>
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<a name="l00134"></a>00134 R32 time_offset; <span class="comment">/* time offset from sync to first pixel */</span>
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<a name="l00135"></a>00135 R32 gamma; <span class="comment">/* gamma value */</span>
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<a name="l00136"></a>00136 R32 black_level; <span class="comment">/* black level code value */</span>
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<a name="l00137"></a>00137 R32 black_gain; <span class="comment">/* black gain */</span>
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<a name="l00138"></a>00138 R32 break_point; <span class="comment">/* breakpoint */</span>
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<a name="l00139"></a>00139 R32 white_level; <span class="comment">/* reference white level code value */</span>
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<a name="l00140"></a>00140 R32 integration_times; <span class="comment">/* integration time(s) */</span>
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<a name="l00141"></a>00141 ILubyte reserved[76]; <span class="comment">/* reserved for future use (padding) */</span>
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<a name="l00142"></a>00142 } DPX_TELEVISION_HEAD;
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<a name="l00143"></a>00143
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<a name="l00144"></a>00144
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<a name="l00145"></a>00145 <span class="comment">// For checking and reading</span>
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<a name="l00146"></a>00146 ILboolean iIsValidDpx(<span class="keywordtype">void</span>);
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<a name="l00147"></a>00147 <span class="comment">//ILboolean iCheckDpx(DPXHEAD *Header);</span>
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<a name="l00148"></a>00148 ILboolean iLoadDpxInternal(<span class="keywordtype">void</span>);
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<a name="l00149"></a>00149
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<a name="l00150"></a>00150 <span class="preprocessor">#endif//PCX_H</span>
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</pre></div></div>
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