diff options
Diffstat (limited to 'Lib/irix5')
| -rwxr-xr-x | Lib/irix5/CL.py | 220 | ||||
| -rwxr-xr-x | Lib/irix5/cddb.py | 104 | ||||
| -rwxr-xr-x | Lib/irix5/cdplayer.py | 7 |
3 files changed, 265 insertions, 66 deletions
diff --git a/Lib/irix5/CL.py b/Lib/irix5/CL.py index 5e21d2e..c64f088 100755 --- a/Lib/irix5/CL.py +++ b/Lib/irix5/CL.py @@ -1,84 +1,172 @@ -# typedef enum CL_OriginalFormat -RGB = 0 -RGBX = 1 -RGBA = 2 -YCrCb444 = 3 -YCrCb422 = 4 -YCrCb411 = 5 -RGB332 = 6 -COLORMAP8 = 7 -COLORMAP12 = 8 -GRAYSCALE = 9 -MONO = 10 -STEREO_INTERLEAVED = 11 -QUAD_INTERLEAVED = 12 -SURROUND_SOUND = 13 - -MAX_NUMBER_OF_AUDIO_ALGORITHMS = 32 -MAX_NUMBER_OF_VIDEO_ALGORITHMS = 32 - -# typedef enum CL_CompressionScheme -UNCOMPRESSED = 0 -G711_ULAW = 1 -G711_ALAW = 2 -G722 = 3 -UNCOMPRESSED_VIDEO = MAX_NUMBER_OF_AUDIO_ALGORITHMS -RLE = UNCOMPRESSED_VIDEO + 1 -JPEG = RLE + 1 -MPEG_VIDEO = JPEG + 1 -MVC1 = MPEG_VIDEO + 1 +# +# cl.h - Compression Library typedefs and prototypes +# +# 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 + +MAX_NUMBER_OF_AUDIO_ALGORITHMS = (32) +MAX_NUMBER_OF_VIDEO_ALGORITHMS = (32) + +# +# "compressionScheme" argument values +# +UNCOMPRESSED_AUDIO = (0) +G711_ULAW = (1) +ULAW = (1) +G711_ALAW = (2) +ALAW = (2) +G722 = (3) + +UNCOMPRESSED = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0) +UNCOMPRESSED_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0) +RLE = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 1) +JPEG = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 2) +MPEG_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 3) +MVC1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 4) +RTR = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5) +RTR1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5) # # Parameters # -# typedef enum CL_Parameters -SPEED = 0 -ACTUAL_FRAME_INDEX = 1 -COMPRESSION_FORMAT = 2 -QUALITY_FACTOR = 3 -NUMBER_OF_PARAMS = 4 +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) +UNIQUE = (13) +FRAME_TYPE = (14) +OVERWRITE_MODE = (15) +NUMBER_OF_PARAMS = (16) + +# JPEG Specific Parameters +QUALITY_FACTOR = (NUMBER_OF_PARAMS + 0) -MAX_NUMBER_OF_PARAMS = 32 +# MPEG Specific Parameters +SPEED = (NUMBER_OF_PARAMS + 0) +ACTUAL_FRAME_INDEX = (NUMBER_OF_PARAMS + 1) +# RTR Specific Parameters +QUALITY_LEVEL = (NUMBER_OF_PARAMS + 0) + +# #define clTypeIsFloat(v) (*(float *)&(v)) +# #define clTypeIsLong(v) (*(long *)&(v)) +# +# RATIO_1 = (65536.0) +# #define clFloatToRatio(f) ((long)((float)(f) * RATIO_1)) +# #define clRatioToFloat(f) ((float)(f) / RATIO_1) +# RATIO_SHIFT = (16) +# #define clRatioMul(m, r) ((m) * (r)) +# #define clRatioToLong(r) ((r) >> RATIO_SHIFT) +# #define clLongToRatio(r) ((r) << RATIO_SHIFT) # # Parameter value types # -# typedef enum CL_ParameterTypes -ENUM_VALUE = 0 # only certain constant values are valid -RANGE_VALUE = 1 # any value in a given range is valid -POINTER = 2 # any legal pointer is valid +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 +POINTER = (4) # any legal pointer is valid -# typedef enum AlgorithmType -AUDIO = 0 -VIDEO = 1 +# +# Algorithm types +# +AUDIO = (0) +VIDEO = (1) -# typedef enum AlgorithmFunctionality -DECOMPRESSOR = 1 -COMPRESSOR = 2 -CODEC = 3 +# +# Algorithm Functionality +# +DECOMPRESSOR = (1) +COMPRESSOR = (2) +CODEC = (3) +# +# Buffer types +# +NONE = (0) +FRAME = (1) +DATA = (2) # # error codes # -BAD_NOT_IMPLEMENTED = 0 # not impimented yet -BAD_NO_BUFFERSPACE = 1 # no space for internal buffers -BAD_QSIZE = 2 # attempt to set an invalid queue size -BAD_BUFFER_NULL = 3 # null buffer pointer -BAD_COUNT_NEG = 4 # negative count -BAD_PVBUFFER = 5 # param/val buffer doesn't make sense -BAD_BUFFERLENGTH_NEG = 6 # negative buffer length -BAD_BUFFERLENGTH_ODD = 7 # odd length parameter/value buffer -BAD_PARAM = 8 # invalid parameter -BAD_COMPRESSION_SCHEME = 9 # compression scheme parameter invalid -BAD_COMPRESSOR_HANDLE = 10 # compression handle parameter invalid -BAD_COMPRESSOR_HANDLE_POINTER = 11 # compression handle pointer invalid -BAD_CALLBACK_FUNCTION = 12 # callback function invalid -BAD_COMPRESSION_FORMAT_POINTER = 13 # compression format parameter invalid -BAD_POINTER_FROM_CALLBACK_FUNCTION = 14 # pointer from callback invalid -JPEG_ERROR = 15 # error from libjpeg -NO_SEMAPHORE = 16 # could not get semaphore -BAD_WIDTH_OR_HEIGHT = 17 # width or height invalid -BAD_FRAME_COUNT = 18 # frame count invalid +BAD_NOT_IMPLEMENTED = ( -1) # not impimented yet +BAD_NO_BUFFERSPACE = ( -2) # no space for internal buffers +BAD_BUFFER_NULL = ( -3) # null buffer pointer +BAD_COUNT_NEG = ( -4) # negative count +BAD_PVBUFFER = ( -5) # param/val buffer doesn't make sense +BAD_BUFFERLENGTH_NEG = ( -6) # negative buffer length +BAD_BUFFERLENGTH_ODD = ( -7) # odd length parameter/value buffer +BAD_PARAM = ( -8) # invalid parameter +BAD_COMPRESSION_SCHEME = ( -9) # compression scheme parameter invalid +BAD_COMPRESSOR_HANDLE = (-10) # compression handle parameter invalid +BAD_COMPRESSOR_HANDLE_POINTER = (-11) # compression handle pointer invalid +BAD_BUFFER_HANDLE = (-12) # callback function invalid +BAD_ALGORITHM_INFO = (-13) # algorithm info invalid +BAD_CL_BAD_WIDTH_OR_HEIGHT = (-14) # compressor width or height invalid +BAD_POINTER_FROM_CALLBACK_FUNCTION = (-15) # pointer from callback invalid +JPEG_ERROR = (-16) # error from libjpeg +NO_SEMAPHORE = (-17) # could not get semaphore +BAD_WIDTH_OR_HEIGHT = (-18) # width or height invalid +BAD_FRAME_COUNT = (-19) # frame count invalid +BAD_FRAME_INDEX = (-20) # frame index invalid +BAD_FRAME_BUFFER = (-21) # frame buffer pointer invalid +BAD_FRAME_SIZE = (-22) # frame size invalid +BAD_DATA_BUFFER = (-23) # data buffer pointer invalid +BAD_DATA_SIZE = (-24) # data buffer size invalid +BAD_TOTAL_NUMBER_OF_FRAMES = (-25) # total number of frames invalid +BAD_IMAGE_FORMAT = (-26) # image format invalid +BAD_BITS_PER_COMPONENT = (-27) # bits per component invalid +BAD_FRAME_RATE = (-28) # frame rate invalid +BAD_INSUFFICIENT_DATA_FROM_CALLBACK_FUNCTION = (-29) # insufficient data from callback invalid +PARAM_OUT_OF_RANGE = (-30) # parameter out of range +ADDED_ALGORITHM_ERROR = (-31) # added algorithm had a unique error +BAD_ALGORITHM_TYPE = (-32) # bad algorithm type +BAD_ALGORITHM_NAME = (-33) # bad algorithm name +BAD_FRAME_INDEXING = (-34) # bad frame indexing +BAD_BUFFERING = (-35) # bad buffering calls +BUFFER_NOT_CREATED = (-36) # buffer not created +BAD_BUFFER_EXISTS = (-37) # buffer already created diff --git a/Lib/irix5/cddb.py b/Lib/irix5/cddb.py new file mode 100755 index 0000000..7531312 --- /dev/null +++ b/Lib/irix5/cddb.py @@ -0,0 +1,104 @@ +# This file implements a class which forms an interface to the .cddb +# directory that is maintained by SGI's cdman program. +# +# Usage is as follows: +# +# import readcd +# r = readcd.Readcd().init() +# c = Cddb().init(r.gettrackinfo()) +# +# Now you can use c.artist, c.title and c.track[trackno] (where trackno +# starts at 1). When the CD is not recognized, all values will be the empty +# string. +# It is also possible to set the above mentioned variables to new values. +# You can then use c.write() to write out the changed values to the +# .cdplayerrc file. + +import string + +_cddbrc = '.cddb/' +_DB_ID_NTRACKS = 5 +_dbid_map = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ@_=+abcdefghijklmnopqrstuvwxyz' +def _dbid(v): + if v >= len(_dbid_map): + return string.zfill(v, 2) + else: + return _dbid_map[v] + +class Cddb(): + def init(self, tracklist): + self.artist = '' + self.title = '' + if type(tracklist) == type(''): + t = [] + for i in range(2, len(tracklist), 4): + t.append((None, \ + (string.atoi(tracklist[i:i+2]), \ + string.atoi(tracklist[i+2:i+4])))) + tracklist = t + ntracks = len(tracklist) + self.track = [None] + [''] * ntracks + self.id = _dbid((ntracks >> 4) & 0xF) + _dbid(ntracks & 0xF) + if ntracks <= _DB_ID_NTRACKS: + nidtracks = ntracks + else: + nidtracks = _DB_ID_NTRACKS - 1 + min = 0 + sec = 0 + for track in tracklist: + start, length = track + min = min + length[0] + sec = sec + length[1] + min = min + sec / 60 + sec = sec % 60 + self.id = self.id + _dbid(min) + _dbid(sec) + for i in range(nidtracks): + start, length = tracklist[i] + self.id = self.id + _dbid(length[0]) + _dbid(length[1]) + self.toc = string.zfill(ntracks, 2) + for track in tracklist: + start, length = track + self.toc = self.toc + string.zfill(length[0], 2) + \ + string.zfill(length[1], 2) + try: + import posix + file = posix.environ['HOME'] + '/' + _cddbrc + self.id + '.rdb' + f = open(file, 'r') + except IOError: + return self + import regex + reg = regex.compile('^\\([^.]*\\)\\.\\([^:]*\\):\t\\(.*\\)') + while 1: + line = f.readline() + if not line: + break + if reg.match(line) == -1: + print 'syntax error in ' + file + continue + name1 = line[reg.regs[1][0]:reg.regs[1][1]] + name2 = line[reg.regs[2][0]:reg.regs[2][1]] + value = line[reg.regs[3][0]:reg.regs[3][1]] + if name1 == 'album': + if name2 == 'artist': + self.artist = value + elif name2 == 'title': + self.title = value + elif name2 == 'toc': + if self.toc != value: + print 'toc\'s don\'t match' + elif name1[:5] == 'track': + trackno = string.atoi(name1[5:]) + self.track[trackno] = value + f.close() + return self + + def write(self): + import posix + file = posix.environ['HOME'] + '/' + _cddbrc + self.id + '.rdb' + f = open(file, 'w') + f.write('album.title:\t' + self.title + '\n') + f.write('album.artist:\t' + self.artist + '\n') + f.write('album.toc:\t' + self.toc + '\n') + for i in range(1, len(self.track)): + f.write('track' + `i` + '.title:\t' + self.track[i] + '\n') + f.close() diff --git a/Lib/irix5/cdplayer.py b/Lib/irix5/cdplayer.py index 2839021..deec996 100755 --- a/Lib/irix5/cdplayer.py +++ b/Lib/irix5/cdplayer.py @@ -21,6 +21,13 @@ class Cdplayer(): import string self.artist = '' self.title = '' + if type(tracklist) == type(''): + t = [] + for i in range(2, len(tracklist), 4): + t.append((None, \ + (string.atoi(tracklist[i:i+2]), \ + string.atoi(tracklist[i+2:i+4])))) + tracklist = t self.track = [None] + [''] * len(tracklist) self.id = 'd' + string.zfill(len(tracklist), 2) for track in tracklist: |