Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Commit c8718c3

Browse files
sjoerdmullendersjoerdmullender
committed
Backward compatibity module for constants from cl.h include file. The
values are gotten from the cl module. CL_old is there in case cl doesn't exist.
1 parent 3db845b commit c8718c3

4 files changed

Lines changed: 520 additions & 472 deletions

File tree

‎Lib/irix5/CL.py‎

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

0 commit comments

Comments
 (0)