diff options
Diffstat (limited to 'Lib/irix5/CL.py')
| -rwxr-xr-x | Lib/irix5/CL.py | 260 |
1 files changed, 24 insertions, 236 deletions
diff --git a/Lib/irix5/CL.py b/Lib/irix5/CL.py index 41c56e0..468ecaa 100755 --- a/Lib/irix5/CL.py +++ b/Lib/irix5/CL.py @@ -1,236 +1,24 @@ -# -# cl.h - Compression Library typedefs and prototypes -# -# 01/07/92 Cleanup by Brian Knittel -# 02/18/92 Original Version by Brian Knittel -# - -# -# originalFormat parameter values -# -MAX_NUMBER_OF_ORIGINAL_FORMATS = 32 - -# Audio -MONO = 0 -STEREO_INTERLEAVED = 1 - -# Video -# YUV is defined to be the same thing as YCrCb (luma and two chroma components). -# 422 is appended to YUV (or YCrCb) if the chroma is sub-sampled by 2 -# horizontally, packed as U Y1 V Y2 (byte order). -# 422HC is appended to YUV (or YCrCb) if the chroma is sub-sampled by 2 -# vertically in addition to horizontally, and is packed the same as -# 422 except that U & V are not valid on the second line. -# -RGB = 0 -RGBX = 1 -RGBA = 2 -RGB332 = 3 - -GRAYSCALE = 4 -Y = 4 -YUV = 5 -YCbCr = 5 -YUV422 = 6 # 4:2:2 sampling -YCbCr422 = 6 # 4:2:2 sampling -YUV422HC = 7 # 4:1:1 sampling -YCbCr422HC = 7 # 4:1:1 sampling -YUV422DC = 7 # 4:1:1 sampling -YCbCr422DC = 7 # 4:1:1 sampling - -BEST_FIT = -1 - -def BytesPerSample(s): - if s in (MONO, YUV): - return 2 - elif s == STEREO_INTERLEAVED: - return 4 - else: - return 0 - -def BytesPerPixel(f): - if f in (RGB, YUV): - return 3 - elif f in (RGBX, RGBA): - return 4 - elif f in (RGB332, GRAYSCALE): - return 1 - else: - return 2 - -def AudioFormatName(f): - if f == MONO: - return 'MONO' - elif f == STEREO_INTERLEAVED: - return 'STEREO_INTERLEAVED' - else: - return 'Not a valid format' - -def VideoFormatName(f): - if f == RGB: - return 'RGB' - elif f == RGBX: - return 'RGBX' - elif f == RGBA: - return 'RGBA' - elif f == RGB332: - return 'RGB332' - elif f == GRAYSCALE: - return 'GRAYSCALE' - elif f == YUV: - return 'YUV' - elif f == YUV422: - return 'YUV422' - elif f == YUV422DC: - return 'YUV422DC' - else: - return 'Not a valid format' - -MAX_NUMBER_OF_AUDIO_ALGORITHMS = 32 -MAX_NUMBER_OF_VIDEO_ALGORITHMS = 32 - -# -# Algorithm types -# -AUDIO = 0 -VIDEO = 1 - -def AlgorithmNumber(scheme): - return scheme & 0x7fff -def AlgorithmType(scheme): - return (scheme >> 15) & 1 -def Algorithm(type, n): - return n | ((type & 1) << 15) - -# -# "compressionScheme" argument values -# -UNKNOWN_SCHEME = -1 - -UNCOMPRESSED_AUDIO = Algorithm(AUDIO, 0) -G711_ULAW = Algorithm(AUDIO, 1) -ULAW = Algorithm(AUDIO, 1) -G711_ALAW = Algorithm(AUDIO, 2) -ALAW = Algorithm(AUDIO, 2) -AWARE_MPEG_AUDIO = Algorithm(AUDIO, 3) -AWARE_MULTIRATE = Algorithm(AUDIO, 4) - -UNCOMPRESSED = Algorithm(VIDEO, 0) -UNCOMPRESSED_VIDEO = Algorithm(VIDEO, 0) -RLE = Algorithm(VIDEO, 1) -JPEG = Algorithm(VIDEO, 2) -MPEG_VIDEO = Algorithm(VIDEO, 3) -MVC1 = Algorithm(VIDEO, 4) -RTR = Algorithm(VIDEO, 5) -RTR1 = Algorithm(VIDEO, 5) - -# -# Parameters -# -MAX_NUMBER_OF_PARAMS = 256 -# Default Parameters -IMAGE_WIDTH = 0 -IMAGE_HEIGHT = 1 -ORIGINAL_FORMAT = 2 -INTERNAL_FORMAT = 3 -COMPONENTS = 4 -BITS_PER_COMPONENT = 5 -FRAME_RATE = 6 -COMPRESSION_RATIO = 7 -EXACT_COMPRESSION_RATIO = 8 -FRAME_BUFFER_SIZE = 9 -COMPRESSED_BUFFER_SIZE = 10 -BLOCK_SIZE = 11 -PREROLL = 12 -FRAME_TYPE = 13 -ALGORITHM_ID = 14 -ALGORITHM_VERSION = 15 -ORIENTATION = 16 -NUMBER_OF_FRAMES = 17 -SPEED = 18 -LAST_FRAME_INDEX = 19 -NUMBER_OF_PARAMS = 20 - -# JPEG Specific Parameters -QUALITY_FACTOR = NUMBER_OF_PARAMS + 0 - -# MPEG Specific Parameters -END_OF_SEQUENCE = NUMBER_OF_PARAMS + 0 - -# RTR Specific Parameters -QUALITY_LEVEL = NUMBER_OF_PARAMS + 0 -ZOOM_X = NUMBER_OF_PARAMS + 1 -ZOOM_Y = NUMBER_OF_PARAMS + 2 - -# -# Parameter value types -# -ENUM_VALUE = 0 # only certain constant values are valid -RANGE_VALUE = 1 # any value in a given range is valid -FLOATING_ENUM_VALUE = 2 # only certain constant floating point values are valid -FLOATING_RANGE_VALUE = 3 # any value in a given floating point range is valid - -# -# Algorithm Functionality -# -DECOMPRESSOR = 1 -COMPRESSOR = 2 -CODEC = 3 - -# -# Buffer types -# -NONE = 0 -FRAME = 1 -DATA = 2 - -# -# Frame types -# -NONE = 0 -KEYFRAME = 1 -INTRA = 1 -PREDICTED = 2 -BIDIRECTIONAL = 3 - -# -# Orientations -# -TOP_DOWN = 0 -BOTTOM_UP = 1 - -# -# SGI Proprietaty Algorithm Header Start Code -# -HEADER_START_CODE = 0xc1C0DEC - -# -# error codes -# - -BAD_NO_BUFFERSPACE = -2 # no space for internal buffers -BAD_PVBUFFER = -3 # param/val buffer doesn't make sense -BAD_BUFFERLENGTH_NEG = -4 # negative buffer length -BAD_BUFFERLENGTH_ODD = -5 # odd length parameter/value buffer -BAD_PARAM = -6 # invalid parameter -BAD_COMPRESSION_SCHEME = -7 # compression scheme parameter invalid -BAD_COMPRESSOR_HANDLE = -8 # compression handle parameter invalid -BAD_COMPRESSOR_HANDLE_POINTER = -9 # compression handle pointer invalid -BAD_BUFFER_HANDLE = -10 # buffer handle invalid -BAD_BUFFER_QUERY_SIZE = -11 # buffer query size too large -JPEG_ERROR = -12 # error from libjpeg -BAD_FRAME_SIZE = -13 # frame size invalid -PARAM_OUT_OF_RANGE = -14 # parameter out of range -ADDED_ALGORITHM_ERROR = -15 # added algorithm had a unique error -BAD_ALGORITHM_TYPE = -16 # bad algorithm type -BAD_ALGORITHM_NAME = -17 # bad algorithm name -BAD_BUFFERING = -18 # bad buffering calls -BUFFER_NOT_CREATED = -19 # buffer not created -BAD_BUFFER_EXISTS = -20 # buffer already created -BAD_INTERNAL_FORMAT = -21 # invalid internal format -BAD_BUFFER_POINTER = -22 # invalid buffer pointer -FRAME_BUFFER_SIZE_ZERO = -23 # frame buffer has zero size -BAD_STREAM_HEADER = -24 # invalid stream header - -BAD_LICENSE = -25 # netls license not valid -AWARE_ERROR = -26 # error from libawcmp +# Backward compatible module CL. +# All relevant symbols are now defined in the module cl. +try: + from cl import * +except ImportError: + from CL_old import * +else: + del CompressImage + del DecompressImage + del GetAlgorithmName + del OpenCompressor + del OpenDecompressor + del QueryAlgorithms + del QueryMaxHeaderSize + del QueryScheme + del QuerySchemeFromName + del SetDefault + del SetMax + del SetMin + try: + del cvt_type + except NameError: + pass + del error |