| 1 | n/a | # |
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| 2 | n/a | # cl.h - Compression Library typedefs and prototypes |
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| 3 | n/a | # |
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| 4 | n/a | # 01/07/92 Cleanup by Brian Knittel |
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| 5 | n/a | # 02/18/92 Original Version by Brian Knittel |
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| 6 | n/a | # |
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| 7 | n/a | |
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| 8 | n/a | # |
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| 9 | n/a | # originalFormat parameter values |
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| 10 | n/a | # |
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| 11 | n/a | from warnings import warnpy3k |
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| 12 | n/a | warnpy3k("the CL_old module has been removed in Python 3.0", stacklevel=2) |
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| 13 | n/a | del warnpy3k |
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| 14 | n/a | |
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| 15 | n/a | MAX_NUMBER_OF_ORIGINAL_FORMATS = 32 |
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| 16 | n/a | |
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| 17 | n/a | # Audio |
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| 18 | n/a | MONO = 0 |
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| 19 | n/a | STEREO_INTERLEAVED = 1 |
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| 20 | n/a | |
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| 21 | n/a | # Video |
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| 22 | n/a | # YUV is defined to be the same thing as YCrCb (luma and two chroma components). |
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| 23 | n/a | # 422 is appended to YUV (or YCrCb) if the chroma is sub-sampled by 2 |
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| 24 | n/a | # horizontally, packed as U Y1 V Y2 (byte order). |
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| 25 | n/a | # 422HC is appended to YUV (or YCrCb) if the chroma is sub-sampled by 2 |
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| 26 | n/a | # vertically in addition to horizontally, and is packed the same as |
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| 27 | n/a | # 422 except that U & V are not valid on the second line. |
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| 28 | n/a | # |
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| 29 | n/a | RGB = 0 |
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| 30 | n/a | RGBX = 1 |
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| 31 | n/a | RGBA = 2 |
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| 32 | n/a | RGB332 = 3 |
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| 33 | n/a | |
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| 34 | n/a | GRAYSCALE = 4 |
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| 35 | n/a | Y = 4 |
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| 36 | n/a | YUV = 5 |
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| 37 | n/a | YCbCr = 5 |
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| 38 | n/a | YUV422 = 6 # 4:2:2 sampling |
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| 39 | n/a | YCbCr422 = 6 # 4:2:2 sampling |
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| 40 | n/a | YUV422HC = 7 # 4:1:1 sampling |
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| 41 | n/a | YCbCr422HC = 7 # 4:1:1 sampling |
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| 42 | n/a | YUV422DC = 7 # 4:1:1 sampling |
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| 43 | n/a | YCbCr422DC = 7 # 4:1:1 sampling |
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| 44 | n/a | |
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| 45 | n/a | BEST_FIT = -1 |
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| 46 | n/a | |
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| 47 | n/a | def BytesPerSample(s): |
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| 48 | n/a | if s in (MONO, YUV): |
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| 49 | n/a | return 2 |
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| 50 | n/a | elif s == STEREO_INTERLEAVED: |
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| 51 | n/a | return 4 |
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| 52 | n/a | else: |
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| 53 | n/a | return 0 |
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| 54 | n/a | |
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| 55 | n/a | def BytesPerPixel(f): |
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| 56 | n/a | if f in (RGB, YUV): |
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| 57 | n/a | return 3 |
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| 58 | n/a | elif f in (RGBX, RGBA): |
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| 59 | n/a | return 4 |
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| 60 | n/a | elif f in (RGB332, GRAYSCALE): |
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| 61 | n/a | return 1 |
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| 62 | n/a | else: |
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| 63 | n/a | return 2 |
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| 64 | n/a | |
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| 65 | n/a | def AudioFormatName(f): |
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| 66 | n/a | if f == MONO: |
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| 67 | n/a | return 'MONO' |
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| 68 | n/a | elif f == STEREO_INTERLEAVED: |
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| 69 | n/a | return 'STEREO_INTERLEAVED' |
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| 70 | n/a | else: |
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| 71 | n/a | return 'Not a valid format' |
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| 72 | n/a | |
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| 73 | n/a | def VideoFormatName(f): |
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| 74 | n/a | if f == RGB: |
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| 75 | n/a | return 'RGB' |
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| 76 | n/a | elif f == RGBX: |
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| 77 | n/a | return 'RGBX' |
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| 78 | n/a | elif f == RGBA: |
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| 79 | n/a | return 'RGBA' |
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| 80 | n/a | elif f == RGB332: |
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| 81 | n/a | return 'RGB332' |
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| 82 | n/a | elif f == GRAYSCALE: |
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| 83 | n/a | return 'GRAYSCALE' |
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| 84 | n/a | elif f == YUV: |
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| 85 | n/a | return 'YUV' |
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| 86 | n/a | elif f == YUV422: |
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| 87 | n/a | return 'YUV422' |
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| 88 | n/a | elif f == YUV422DC: |
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| 89 | n/a | return 'YUV422DC' |
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| 90 | n/a | else: |
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| 91 | n/a | return 'Not a valid format' |
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| 92 | n/a | |
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| 93 | n/a | MAX_NUMBER_OF_AUDIO_ALGORITHMS = 32 |
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| 94 | n/a | MAX_NUMBER_OF_VIDEO_ALGORITHMS = 32 |
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| 95 | n/a | |
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| 96 | n/a | # |
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| 97 | n/a | # Algorithm types |
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| 98 | n/a | # |
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| 99 | n/a | AUDIO = 0 |
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| 100 | n/a | VIDEO = 1 |
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| 101 | n/a | |
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| 102 | n/a | def AlgorithmNumber(scheme): |
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| 103 | n/a | return scheme & 0x7fff |
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| 104 | n/a | def AlgorithmType(scheme): |
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| 105 | n/a | return (scheme >> 15) & 1 |
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| 106 | n/a | def Algorithm(type, n): |
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| 107 | n/a | return n | ((type & 1) << 15) |
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| 108 | n/a | |
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| 109 | n/a | # |
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| 110 | n/a | # "compressionScheme" argument values |
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| 111 | n/a | # |
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| 112 | n/a | UNKNOWN_SCHEME = -1 |
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| 113 | n/a | |
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| 114 | n/a | UNCOMPRESSED_AUDIO = Algorithm(AUDIO, 0) |
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| 115 | n/a | G711_ULAW = Algorithm(AUDIO, 1) |
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| 116 | n/a | ULAW = Algorithm(AUDIO, 1) |
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| 117 | n/a | G711_ALAW = Algorithm(AUDIO, 2) |
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| 118 | n/a | ALAW = Algorithm(AUDIO, 2) |
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| 119 | n/a | AWARE_MPEG_AUDIO = Algorithm(AUDIO, 3) |
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| 120 | n/a | AWARE_MULTIRATE = Algorithm(AUDIO, 4) |
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| 121 | n/a | |
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| 122 | n/a | UNCOMPRESSED = Algorithm(VIDEO, 0) |
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| 123 | n/a | UNCOMPRESSED_VIDEO = Algorithm(VIDEO, 0) |
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| 124 | n/a | RLE = Algorithm(VIDEO, 1) |
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| 125 | n/a | JPEG = Algorithm(VIDEO, 2) |
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| 126 | n/a | MPEG_VIDEO = Algorithm(VIDEO, 3) |
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| 127 | n/a | MVC1 = Algorithm(VIDEO, 4) |
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| 128 | n/a | RTR = Algorithm(VIDEO, 5) |
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| 129 | n/a | RTR1 = Algorithm(VIDEO, 5) |
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| 130 | n/a | |
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| 131 | n/a | # |
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| 132 | n/a | # Parameters |
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| 133 | n/a | # |
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| 134 | n/a | MAX_NUMBER_OF_PARAMS = 256 |
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| 135 | n/a | # Default Parameters |
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| 136 | n/a | IMAGE_WIDTH = 0 |
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| 137 | n/a | IMAGE_HEIGHT = 1 |
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| 138 | n/a | ORIGINAL_FORMAT = 2 |
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| 139 | n/a | INTERNAL_FORMAT = 3 |
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| 140 | n/a | COMPONENTS = 4 |
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| 141 | n/a | BITS_PER_COMPONENT = 5 |
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| 142 | n/a | FRAME_RATE = 6 |
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| 143 | n/a | COMPRESSION_RATIO = 7 |
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| 144 | n/a | EXACT_COMPRESSION_RATIO = 8 |
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| 145 | n/a | FRAME_BUFFER_SIZE = 9 |
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| 146 | n/a | COMPRESSED_BUFFER_SIZE = 10 |
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| 147 | n/a | BLOCK_SIZE = 11 |
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| 148 | n/a | PREROLL = 12 |
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| 149 | n/a | FRAME_TYPE = 13 |
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| 150 | n/a | ALGORITHM_ID = 14 |
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| 151 | n/a | ALGORITHM_VERSION = 15 |
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| 152 | n/a | ORIENTATION = 16 |
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| 153 | n/a | NUMBER_OF_FRAMES = 17 |
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| 154 | n/a | SPEED = 18 |
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| 155 | n/a | LAST_FRAME_INDEX = 19 |
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| 156 | n/a | NUMBER_OF_PARAMS = 20 |
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| 157 | n/a | |
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| 158 | n/a | # JPEG Specific Parameters |
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| 159 | n/a | QUALITY_FACTOR = NUMBER_OF_PARAMS + 0 |
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| 160 | n/a | |
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| 161 | n/a | # MPEG Specific Parameters |
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| 162 | n/a | END_OF_SEQUENCE = NUMBER_OF_PARAMS + 0 |
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| 163 | n/a | |
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| 164 | n/a | # RTR Specific Parameters |
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| 165 | n/a | QUALITY_LEVEL = NUMBER_OF_PARAMS + 0 |
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| 166 | n/a | ZOOM_X = NUMBER_OF_PARAMS + 1 |
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| 167 | n/a | ZOOM_Y = NUMBER_OF_PARAMS + 2 |
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| 168 | n/a | |
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| 169 | n/a | # |
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| 170 | n/a | # Parameter value types |
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| 171 | n/a | # |
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| 172 | n/a | ENUM_VALUE = 0 # only certain constant values are valid |
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| 173 | n/a | RANGE_VALUE = 1 # any value in a given range is valid |
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| 174 | n/a | FLOATING_ENUM_VALUE = 2 # only certain constant floating point values are valid |
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| 175 | n/a | FLOATING_RANGE_VALUE = 3 # any value in a given floating point range is valid |
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| 176 | n/a | |
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| 177 | n/a | # |
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| 178 | n/a | # Algorithm Functionality |
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| 179 | n/a | # |
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| 180 | n/a | DECOMPRESSOR = 1 |
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| 181 | n/a | COMPRESSOR = 2 |
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| 182 | n/a | CODEC = 3 |
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| 183 | n/a | |
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| 184 | n/a | # |
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| 185 | n/a | # Buffer types |
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| 186 | n/a | # |
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| 187 | n/a | NONE = 0 |
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| 188 | n/a | FRAME = 1 |
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| 189 | n/a | DATA = 2 |
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| 190 | n/a | |
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| 191 | n/a | # |
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| 192 | n/a | # Frame types |
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| 193 | n/a | # |
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| 194 | n/a | NONE = 0 |
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| 195 | n/a | KEYFRAME = 1 |
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| 196 | n/a | INTRA = 1 |
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| 197 | n/a | PREDICTED = 2 |
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| 198 | n/a | BIDIRECTIONAL = 3 |
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| 199 | n/a | |
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| 200 | n/a | # |
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| 201 | n/a | # Orientations |
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| 202 | n/a | # |
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| 203 | n/a | TOP_DOWN = 0 |
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| 204 | n/a | BOTTOM_UP = 1 |
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| 205 | n/a | |
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| 206 | n/a | # |
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| 207 | n/a | # SGI Proprietary Algorithm Header Start Code |
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| 208 | n/a | # |
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| 209 | n/a | HEADER_START_CODE = 0xc1C0DEC |
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| 210 | n/a | |
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| 211 | n/a | # |
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| 212 | n/a | # error codes |
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| 213 | n/a | # |
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| 214 | n/a | |
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| 215 | n/a | BAD_NO_BUFFERSPACE = -2 # no space for internal buffers |
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| 216 | n/a | BAD_PVBUFFER = -3 # param/val buffer doesn't make sense |
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| 217 | n/a | BAD_BUFFERLENGTH_NEG = -4 # negative buffer length |
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| 218 | n/a | BAD_BUFFERLENGTH_ODD = -5 # odd length parameter/value buffer |
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| 219 | n/a | BAD_PARAM = -6 # invalid parameter |
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| 220 | n/a | BAD_COMPRESSION_SCHEME = -7 # compression scheme parameter invalid |
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| 221 | n/a | BAD_COMPRESSOR_HANDLE = -8 # compression handle parameter invalid |
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| 222 | n/a | BAD_COMPRESSOR_HANDLE_POINTER = -9 # compression handle pointer invalid |
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| 223 | n/a | BAD_BUFFER_HANDLE = -10 # buffer handle invalid |
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| 224 | n/a | BAD_BUFFER_QUERY_SIZE = -11 # buffer query size too large |
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| 225 | n/a | JPEG_ERROR = -12 # error from libjpeg |
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| 226 | n/a | BAD_FRAME_SIZE = -13 # frame size invalid |
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| 227 | n/a | PARAM_OUT_OF_RANGE = -14 # parameter out of range |
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| 228 | n/a | ADDED_ALGORITHM_ERROR = -15 # added algorithm had a unique error |
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| 229 | n/a | BAD_ALGORITHM_TYPE = -16 # bad algorithm type |
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| 230 | n/a | BAD_ALGORITHM_NAME = -17 # bad algorithm name |
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| 231 | n/a | BAD_BUFFERING = -18 # bad buffering calls |
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| 232 | n/a | BUFFER_NOT_CREATED = -19 # buffer not created |
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| 233 | n/a | BAD_BUFFER_EXISTS = -20 # buffer already created |
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| 234 | n/a | BAD_INTERNAL_FORMAT = -21 # invalid internal format |
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| 235 | n/a | BAD_BUFFER_POINTER = -22 # invalid buffer pointer |
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| 236 | n/a | FRAME_BUFFER_SIZE_ZERO = -23 # frame buffer has zero size |
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| 237 | n/a | BAD_STREAM_HEADER = -24 # invalid stream header |
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| 238 | n/a | |
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| 239 | n/a | BAD_LICENSE = -25 # netls license not valid |
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| 240 | n/a | AWARE_ERROR = -26 # error from libawcmp |
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