CL.py, clmodule.c: Adapted to new CL library. Lots of new methods.
aifc.py: Several small improvements. Use new methods from CL module.
This commit is contained in:
Sjoerd Mullender
parent
8d733a00f0
commit
3a997279d5
39
Lib/aifc.py
39
Lib/aifc.py
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@ -356,6 +356,7 @@ class Aifc_read():
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# _ssnd_seek_needed -- 1 iff positioned correctly in audio
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# file for readframes()
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# _ssnd_chunk -- instantiation of a chunk class for the SSND chunk
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# _framesize -- size of one frame in the file
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def initfp(self, file):
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self._file = file
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self._version = 0
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@ -497,24 +498,15 @@ class Aifc_read():
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if self._ssnd_seek_needed:
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self._ssnd_chunk.rewind()
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dummy = self._ssnd_chunk.read(8)
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pos = self._soundpos * self._nchannels * self._sampwidth
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if self._decomp:
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if self._comptype in ('ULAW', 'ALAW'):
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pos = pos / 2
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pos = self._soundpos * self._framesize
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if pos:
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self._ssnd_chunk.setpos(pos + 8)
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self._ssnd_seek_needed = 0
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if nframes == 0:
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return ''
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size = nframes * self._nchannels * self._sampwidth
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if self._decomp:
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if self._comptype in ('ULAW', 'ALAW'):
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size = size / 2
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data = self._ssnd_chunk.read(size)
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data = self._ssnd_chunk.read(nframes * self._framesize)
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if self._decomp and data:
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params = [CL.FRAME_BUFFER_SIZE, len(data) * 2, \
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CL.COMPRESSED_BUFFER_SIZE, len(data)]
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self._decomp.SetParams(params)
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self._decomp.SetParam(CL.FRAME_BUFFER_SIZE, len(data) * 2)
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data = self._decomp.Decompress(len(data) / self._nchannels, data)
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self._soundpos = self._soundpos + len(data) / (self._nchannels * self._sampwidth)
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return data
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@ -530,6 +522,7 @@ class Aifc_read():
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self._sampwidth = _convert1(sampwidth, _sampwidthlist)
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framerate = _read_float(chunk)
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self._framerate = _convert1(framerate, _frameratelist)
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self._framesize = self._nchannels * self._sampwidth
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if self._aifc:
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#DEBUG: SGI's soundeditor produces a bad size :-(
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kludge = 0
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@ -555,8 +548,10 @@ class Aifc_read():
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raise Error, 'cannot read compressed AIFF-C files'
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if self._comptype == 'ULAW':
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scheme = CL.G711_ULAW
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self._framesize = self._framesize / 2
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elif self._comptype == 'ALAW':
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scheme = CL.G711_ALAW
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self._framesize = self._framesize / 2
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else:
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raise Error, 'unsupported compression type'
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self._decomp = cl.OpenDecompressor(scheme)
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@ -643,6 +638,7 @@ class Aifc_write():
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def setnchannels(self, nchannels):
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if self._nframeswritten:
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raise Error, 'cannot change parameters after starting to write'
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dummy = _convert(nchannels, _nchannelslist)
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self._nchannels = nchannels
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def getnchannels(self):
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@ -653,6 +649,7 @@ class Aifc_write():
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def setsampwidth(self, sampwidth):
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if self._nframeswritten:
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raise Error, 'cannot change parameters after starting to write'
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dummy = _convert2(sampwidth, _sampwidthlist)
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self._sampwidth = sampwidth
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def getsampwidth(self):
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@ -663,6 +660,7 @@ class Aifc_write():
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def setframerate(self, framerate):
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if self._nframeswritten:
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raise Error, 'cannot change parameters after starting to write'
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dummy = _convert2(framerate, _frameratelist)
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self._framerate = framerate
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def getframerate(self):
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@ -702,6 +700,9 @@ class Aifc_write():
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raise Error, 'cannot change parameters after starting to write'
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if comptype not in ('NONE', 'ULAW', 'ALAW'):
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raise Error, 'unsupported compression type'
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dummy = _convert2(nchannels, _nchannelslist)
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dummy = _convert2(sampwidth, _sampwidthlist)
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dummy = _convert2(framerate, _frameratelist)
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self._nchannels = nchannels
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self._sampwidth = sampwidth
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self._framerate = framerate
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@ -755,9 +756,9 @@ class Aifc_write():
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self._write_header(len(data))
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nframes = len(data) / (self._sampwidth * self._nchannels)
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if self._comp:
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params = [CL.FRAME_BUFFER_SIZE, len(data), \
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CL.COMPRESSED_BUFFER_SIZE, len(data)]
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self._comp.SetParams(params)
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self._comp.SetParam(CL.FRAME_BUFFER_SIZE, len(data))
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self._comp.SetParam(CL.COMPRESSED_BUFFER_SIZE, \
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len(data))
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data = self._comp.Compress(nframes, data)
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self._file.write(data)
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self._nframeswritten = self._nframeswritten + nframes
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@ -803,7 +804,9 @@ class Aifc_write():
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self._comp = cl.OpenCompressor(scheme)
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params = [CL.ORIGINAL_FORMAT, 0, \
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CL.BITS_PER_COMPONENT, 0, \
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CL.FRAME_RATE, self._framerate]
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CL.FRAME_RATE, self._framerate, \
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CL.FRAME_BUFFER_SIZE, 100, \
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CL.COMPRESSED_BUFFER_SIZE, 100]
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if self._nchannels == AL.MONO:
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params[1] = CL.MONO
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else:
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@ -815,6 +818,8 @@ class Aifc_write():
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else:
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params[3] = 24
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self._comp.SetParams(params)
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# the compressor produces a header which we ignore
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dummy = self._comp.Compress(0, '')
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self._file.write('FORM')
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if not self._nframes:
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self._nframes = initlength / (self._nchannels * self._sampwidth)
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@ -836,7 +841,7 @@ class Aifc_write():
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self._file.write('AIFF')
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self._file.write('COMM')
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_write_long(self._file, commlength)
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_write_short(self._file, self._nchannels)
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_write_short(self._file, _convert2(self._nchannels, _nchannelslist))
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self._nframes_pos = self._file.tell()
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_write_long(self._file, self._nframes)
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_write_short(self._file, _convert2(self._sampwidth, _sampwidthlist))
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322
Lib/irix5/CL.py
322
Lib/irix5/CL.py
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@ -1,17 +1,18 @@
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#
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# cl.h - Compression Library typedefs and prototypes
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#
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# 01/07/92 Cleanup by Brian Knittel
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# 02/18/92 Original Version by Brian Knittel
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#
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#
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# originalFormat parameter values
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#
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MAX_NUMBER_OF_ORIGINAL_FORMATS = (32)
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MAX_NUMBER_OF_ORIGINAL_FORMATS = 32
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# Audio
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MONO = (0)
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STEREO_INTERLEAVED = (1)
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MONO = 0
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STEREO_INTERLEAVED = 1
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# Video
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# YUV is defined to be the same thing as YCrCb (luma and two chroma components).
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@ -21,152 +22,215 @@ STEREO_INTERLEAVED = (1)
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# vertically in addition to horizontally, and is packed the same as
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# 422 except that U & V are not valid on the second line.
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#
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RGB = (0)
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RGBX = (1)
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RGBA = (2)
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RGB332 = (3)
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RGB = 0
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RGBX = 1
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RGBA = 2
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RGB332 = 3
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GRAYSCALE = (4)
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Y = (4)
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YUV = (5)
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YCbCr = (5)
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YUV422 = (6) # 4:2:2 sampling
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YCbCr422 = (6) # 4:2:2 sampling
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YUV422HC = (7) # 4:1:1 sampling
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YCbCr422HC = (7) # 4:1:1 sampling
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GRAYSCALE = 4
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Y = 4
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YUV = 5
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YCbCr = 5
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YUV422 = 6 # 4:2:2 sampling
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YCbCr422 = 6 # 4:2:2 sampling
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YUV422HC = 7 # 4:1:1 sampling
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YCbCr422HC = 7 # 4:1:1 sampling
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YUV422DC = 7 # 4:1:1 sampling
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YCbCr422DC = 7 # 4:1:1 sampling
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MAX_NUMBER_OF_AUDIO_ALGORITHMS = (32)
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MAX_NUMBER_OF_VIDEO_ALGORITHMS = (32)
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BEST_FIT = -1
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#
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# "compressionScheme" argument values
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#
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UNCOMPRESSED_AUDIO = (0)
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G711_ULAW = (1)
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ULAW = (1)
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G711_ALAW = (2)
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ALAW = (2)
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G722 = (3)
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UNCOMPRESSED = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0)
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UNCOMPRESSED_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 0)
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RLE = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 1)
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JPEG = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 2)
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MPEG_VIDEO = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 3)
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MVC1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 4)
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RTR = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5)
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RTR1 = (MAX_NUMBER_OF_AUDIO_ALGORITHMS + 5)
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def BytesPerSample(s):
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if s in (MONO, YUV):
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return 2
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elif s == STEREO_INTERLEAVED:
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return 4
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else:
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return 0
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#
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# Parameters
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#
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MAX_NUMBER_OF_PARAMS = (256)
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# Default Parameters
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IMAGE_WIDTH = (0)
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IMAGE_HEIGHT = (1)
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ORIGINAL_FORMAT = (2)
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INTERNAL_FORMAT = (3)
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COMPONENTS = (4)
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BITS_PER_COMPONENT = (5)
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FRAME_RATE = (6)
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COMPRESSION_RATIO = (7)
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EXACT_COMPRESSION_RATIO = (8)
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FRAME_BUFFER_SIZE = (9)
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COMPRESSED_BUFFER_SIZE = (10)
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BLOCK_SIZE = (11)
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PREROLL = (12)
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UNIQUE = (13)
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FRAME_TYPE = (14)
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OVERWRITE_MODE = (15)
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NUMBER_OF_PARAMS = (16)
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def BytesPerPixel(f):
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if f in (RGB, YUV):
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return 3
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elif f in (RGBX, RGBA):
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return 4
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elif f in (RGB332, GRAYSCALE):
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return 1
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else:
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return 2
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# JPEG Specific Parameters
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QUALITY_FACTOR = (NUMBER_OF_PARAMS + 0)
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def AudioFormatName(f):
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if f == MONO:
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return 'MONO'
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elif f == STEREO_INTERLEAVED:
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return 'STEREO_INTERLEAVED'
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else:
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return 'Not a valid format'
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# MPEG Specific Parameters
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SPEED = (NUMBER_OF_PARAMS + 0)
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ACTUAL_FRAME_INDEX = (NUMBER_OF_PARAMS + 1)
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def VideoFormatName(f):
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if f == RGB:
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return 'RGB'
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elif f == RGBX:
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return 'RGBX'
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elif f == RGBA:
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return 'RGBA'
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elif f == RGB332:
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return 'RGB332'
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elif f == GRAYSCALE:
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return 'GRAYSCALE'
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elif f == YUV:
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return 'YUV'
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elif f == YUV422:
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return 'YUV422'
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elif f == YUV422DC:
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return 'YUV422DC'
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else:
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return 'Not a valid format'
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# RTR Specific Parameters
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QUALITY_LEVEL = (NUMBER_OF_PARAMS + 0)
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# #define clTypeIsFloat(v) (*(float *)&(v))
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# #define clTypeIsLong(v) (*(long *)&(v))
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#
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# RATIO_1 = (65536.0)
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# #define clFloatToRatio(f) ((long)((float)(f) * RATIO_1))
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# #define clRatioToFloat(f) ((float)(f) / RATIO_1)
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# RATIO_SHIFT = (16)
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# #define clRatioMul(m, r) ((m) * (r))
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# #define clRatioToLong(r) ((r) >> RATIO_SHIFT)
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# #define clLongToRatio(r) ((r) << RATIO_SHIFT)
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#
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# Parameter value types
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#
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ENUM_VALUE = (0) # only certain constant values are valid
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RANGE_VALUE = (1) # any value in a given range is valid
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FLOATING_ENUM_VALUE = (2) # only certain constant floating point values are valid
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FLOATING_RANGE_VALUE = (3) # any value in a given floating point range is valid
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POINTER = (4) # any legal pointer is valid
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MAX_NUMBER_OF_AUDIO_ALGORITHMS = 32
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MAX_NUMBER_OF_VIDEO_ALGORITHMS = 32
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#
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# Algorithm types
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#
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AUDIO = (0)
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VIDEO = (1)
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AUDIO = 0
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VIDEO = 1
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def AlgorithmNumber(scheme):
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return scheme & 0x7fff
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def AlgorithmType(scheme):
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return (scheme >> 15) & 1
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def Algorithm(type, n):
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return n | ((type & 1) << 15)
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#
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# "compressionScheme" argument values
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#
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UNKNOWN_SCHEME = -1
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UNCOMPRESSED_AUDIO = Algorithm(AUDIO, 0)
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G711_ULAW = Algorithm(AUDIO, 1)
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ULAW = Algorithm(AUDIO, 1)
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G711_ALAW = Algorithm(AUDIO, 2)
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ALAW = Algorithm(AUDIO, 2)
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AWARE_MPEG_AUDIO = Algorithm(AUDIO, 3)
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AWARE_MULTIRATE = Algorithm(AUDIO, 4)
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UNCOMPRESSED = Algorithm(VIDEO, 0)
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UNCOMPRESSED_VIDEO = Algorithm(VIDEO, 0)
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RLE = Algorithm(VIDEO, 1)
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JPEG = Algorithm(VIDEO, 2)
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MPEG_VIDEO = Algorithm(VIDEO, 3)
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MVC1 = Algorithm(VIDEO, 4)
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RTR = Algorithm(VIDEO, 5)
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RTR1 = Algorithm(VIDEO, 5)
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#
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# Parameters
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#
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MAX_NUMBER_OF_PARAMS = 256
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# Default Parameters
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IMAGE_WIDTH = 0
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IMAGE_HEIGHT = 1
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ORIGINAL_FORMAT = 2
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INTERNAL_FORMAT = 3
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COMPONENTS = 4
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BITS_PER_COMPONENT = 5
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FRAME_RATE = 6
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COMPRESSION_RATIO = 7
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EXACT_COMPRESSION_RATIO = 8
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FRAME_BUFFER_SIZE = 9
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COMPRESSED_BUFFER_SIZE = 10
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BLOCK_SIZE = 11
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PREROLL = 12
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FRAME_TYPE = 13
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ALGORITHM_ID = 14
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ALGORITHM_VERSION = 15
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ORIENTATION = 16
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NUMBER_OF_FRAMES = 17
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SPEED = 18
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LAST_FRAME_INDEX = 19
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NUMBER_OF_PARAMS = 20
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# JPEG Specific Parameters
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QUALITY_FACTOR = NUMBER_OF_PARAMS + 0
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# MPEG Specific Parameters
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END_OF_SEQUENCE = NUMBER_OF_PARAMS + 0
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# RTR Specific Parameters
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QUALITY_LEVEL = NUMBER_OF_PARAMS + 0
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ZOOM_X = NUMBER_OF_PARAMS + 1
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ZOOM_Y = NUMBER_OF_PARAMS + 2
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#
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# Parameter value types
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#
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ENUM_VALUE = 0 # only certain constant values are valid
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RANGE_VALUE = 1 # any value in a given range is valid
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FLOATING_ENUM_VALUE = 2 # only certain constant floating point values are valid
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FLOATING_RANGE_VALUE = 3 # any value in a given floating point range is valid
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#
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# Algorithm Functionality
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#
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DECOMPRESSOR = (1)
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COMPRESSOR = (2)
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CODEC = (3)
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DECOMPRESSOR = 1
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COMPRESSOR = 2
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CODEC = 3
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#
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# Buffer types
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#
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NONE = (0)
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FRAME = (1)
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DATA = (2)
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NONE = 0
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FRAME = 1
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DATA = 2
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#
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# Frame types
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#
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NONE = 0
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KEYFRAME = 1
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INTRA = 1
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PREDICTED = 2
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BIDIRECTIONAL = 3
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#
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# Orientations
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#
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TOP_DOWN = 0
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BOTTOM_UP = 1
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#
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# SGI Proprietaty Algorithm Header Start Code
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#
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HEADER_START_CODE = 0xc1C0DEC
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#
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# error codes
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#
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BAD_NOT_IMPLEMENTED = ( -1) # not impimented yet
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BAD_NO_BUFFERSPACE = ( -2) # no space for internal buffers
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BAD_BUFFER_NULL = ( -3) # null buffer pointer
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BAD_COUNT_NEG = ( -4) # negative count
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BAD_PVBUFFER = ( -5) # param/val buffer doesn't make sense
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BAD_BUFFERLENGTH_NEG = ( -6) # negative buffer length
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BAD_BUFFERLENGTH_ODD = ( -7) # odd length parameter/value buffer
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BAD_PARAM = ( -8) # invalid parameter
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BAD_COMPRESSION_SCHEME = ( -9) # compression scheme parameter invalid
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BAD_COMPRESSOR_HANDLE = (-10) # compression handle parameter invalid
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BAD_COMPRESSOR_HANDLE_POINTER = (-11) # compression handle pointer invalid
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BAD_BUFFER_HANDLE = (-12) # callback function invalid
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BAD_ALGORITHM_INFO = (-13) # algorithm info invalid
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BAD_CL_BAD_WIDTH_OR_HEIGHT = (-14) # compressor width or height invalid
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||||
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
|
||||
|
||||
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
|
||||
|
|
|
|||
|
|
@ -1,17 +1,18 @@
|
|||
#
|
||||
# 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)
|
||||
MAX_NUMBER_OF_ORIGINAL_FORMATS = 32
|
||||
|
||||
# Audio
|
||||
MONO = (0)
|
||||
STEREO_INTERLEAVED = (1)
|
||||
MONO = 0
|
||||
STEREO_INTERLEAVED = 1
|
||||
|
||||
# Video
|
||||
# YUV is defined to be the same thing as YCrCb (luma and two chroma components).
|
||||
|
|
@ -21,152 +22,215 @@ STEREO_INTERLEAVED = (1)
|
|||
# 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)
|
||||
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
|
||||
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
|
||||
|
||||
MAX_NUMBER_OF_AUDIO_ALGORITHMS = (32)
|
||||
MAX_NUMBER_OF_VIDEO_ALGORITHMS = (32)
|
||||
BEST_FIT = -1
|
||||
|
||||
#
|
||||
# "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)
|
||||
def BytesPerSample(s):
|
||||
if s in (MONO, YUV):
|
||||
return 2
|
||||
elif s == STEREO_INTERLEAVED:
|
||||
return 4
|
||||
else:
|
||||
return 0
|
||||
|
||||
#
|
||||
# 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)
|
||||
UNIQUE = (13)
|
||||
FRAME_TYPE = (14)
|
||||
OVERWRITE_MODE = (15)
|
||||
NUMBER_OF_PARAMS = (16)
|
||||
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
|
||||
|
||||
# JPEG Specific Parameters
|
||||
QUALITY_FACTOR = (NUMBER_OF_PARAMS + 0)
|
||||
def AudioFormatName(f):
|
||||
if f == MONO:
|
||||
return 'MONO'
|
||||
elif f == STEREO_INTERLEAVED:
|
||||
return 'STEREO_INTERLEAVED'
|
||||
else:
|
||||
return 'Not a valid format'
|
||||
|
||||
# MPEG Specific Parameters
|
||||
SPEED = (NUMBER_OF_PARAMS + 0)
|
||||
ACTUAL_FRAME_INDEX = (NUMBER_OF_PARAMS + 1)
|
||||
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'
|
||||
|
||||
# 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
|
||||
#
|
||||
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
|
||||
MAX_NUMBER_OF_AUDIO_ALGORITHMS = 32
|
||||
MAX_NUMBER_OF_VIDEO_ALGORITHMS = 32
|
||||
|
||||
#
|
||||
# Algorithm types
|
||||
#
|
||||
AUDIO = (0)
|
||||
VIDEO = (1)
|
||||
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)
|
||||
DECOMPRESSOR = 1
|
||||
COMPRESSOR = 2
|
||||
CODEC = 3
|
||||
|
||||
#
|
||||
# Buffer types
|
||||
#
|
||||
NONE = (0)
|
||||
FRAME = (1)
|
||||
DATA = (2)
|
||||
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_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
|
||||
|
||||
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
|
||||
|
|
|
|||
|
|
@ -45,7 +45,7 @@ static int error_handler_called = 0;
|
|||
Utility routines.
|
||||
********************************************************************/
|
||||
static void
|
||||
cl_ErrorHandler(long errnum, const char *fmt, ...)
|
||||
cl_ErrorHandler(CL_Handle handle, int code, const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
char errbuf[BUFSIZ]; /* hopefully big enough */
|
||||
|
|
@ -68,10 +68,10 @@ cl_ErrorHandler(long errnum, const char *fmt, ...)
|
|||
* This is not very efficient.
|
||||
*/
|
||||
static int
|
||||
param_type_is_float(CL_Handle comp, long param)
|
||||
param_type_is_float(CL_Handle comp, int param)
|
||||
{
|
||||
long bufferlength;
|
||||
long *PVbuffer;
|
||||
int bufferlength;
|
||||
int *PVbuffer;
|
||||
int ret;
|
||||
|
||||
error_handler_called = 0;
|
||||
|
|
@ -82,7 +82,7 @@ param_type_is_float(CL_Handle comp, long param)
|
|||
if (param < 0 || param >= bufferlength / 2)
|
||||
return -1;
|
||||
|
||||
PVbuffer = NEW(long, bufferlength);
|
||||
PVbuffer = NEW(int, bufferlength);
|
||||
if (PVbuffer == NULL)
|
||||
return -1;
|
||||
|
||||
|
|
@ -110,9 +110,9 @@ static object *
|
|||
cl_CompressImage(self, args)
|
||||
object *self, *args;
|
||||
{
|
||||
long compressionScheme, width, height, originalFormat;
|
||||
int compressionScheme, width, height, originalFormat;
|
||||
float compressionRatio;
|
||||
long frameBufferSize, compressedBufferSize;
|
||||
int frameBufferSize, compressedBufferSize;
|
||||
char *frameBuffer;
|
||||
object *compressedBuffer;
|
||||
|
||||
|
|
@ -156,9 +156,9 @@ static object *
|
|||
cl_DecompressImage(self, args)
|
||||
object *self, *args;
|
||||
{
|
||||
long compressionScheme, width, height, originalFormat;
|
||||
int compressionScheme, width, height, originalFormat;
|
||||
char *compressedBuffer;
|
||||
long compressedBufferSize, frameBufferSize;
|
||||
int compressedBufferSize, frameBufferSize;
|
||||
object *frameBuffer;
|
||||
|
||||
if (!getargs(args, "(iiiis#i)", &compressionScheme, &width, &height,
|
||||
|
|
@ -197,7 +197,7 @@ static object *
|
|||
doClose(self, args, close_func)
|
||||
clobject *self;
|
||||
object *args;
|
||||
long (*close_func) PROTO((CL_Handle));
|
||||
int (*close_func) PROTO((CL_Handle));
|
||||
{
|
||||
CheckCompressor(self);
|
||||
|
||||
|
|
@ -238,10 +238,10 @@ clm_Compress(self, args)
|
|||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
long numberOfFrames;
|
||||
long frameBufferSize, compressedBufferSize;
|
||||
int numberOfFrames;
|
||||
int frameBufferSize, compressedBufferSize;
|
||||
char *frameBuffer;
|
||||
long PVbuf[2];
|
||||
int PVbuf[2];
|
||||
object *data;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
|
@ -291,11 +291,11 @@ clm_Decompress(self, args)
|
|||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
long PVbuf[2];
|
||||
int PVbuf[2];
|
||||
object *data;
|
||||
long numberOfFrames;
|
||||
int numberOfFrames;
|
||||
char *compressedData;
|
||||
long compressedDataSize;
|
||||
int compressedDataSize;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
||||
|
|
@ -331,13 +331,14 @@ static object *
|
|||
doParams(self, args, func, modified)
|
||||
clobject *self;
|
||||
object *args;
|
||||
void (*func)(CL_Handle, long *, long);
|
||||
void (*func)(CL_Handle, int *, int);
|
||||
int modified;
|
||||
{
|
||||
object *list, *v;
|
||||
long *PVbuffer;
|
||||
long length;
|
||||
int *PVbuffer;
|
||||
int length;
|
||||
int i;
|
||||
float number;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
||||
|
|
@ -348,14 +349,15 @@ doParams(self, args, func, modified)
|
|||
return NULL;
|
||||
}
|
||||
length = getlistsize(list);
|
||||
PVbuffer = NEW(long, length);
|
||||
PVbuffer = NEW(int, length);
|
||||
if (PVbuffer == NULL)
|
||||
return err_nomem();
|
||||
for (i = 0; i < length; i++) {
|
||||
v = getlistitem(list, i);
|
||||
if (is_floatobject(v))
|
||||
PVbuffer[i] = clFloatToRatio(getfloatvalue(v));
|
||||
else if (is_intobject(v))
|
||||
if (is_floatobject(v)) {
|
||||
number = getfloatvalue(v);
|
||||
PVbuffer[i] = CL_TypeIsInt(number);
|
||||
} else if (is_intobject(v))
|
||||
PVbuffer[i] = getintvalue(v);
|
||||
else {
|
||||
DEL(PVbuffer);
|
||||
|
|
@ -371,10 +373,12 @@ doParams(self, args, func, modified)
|
|||
|
||||
if (modified) {
|
||||
for (i = 0; i < length; i++) {
|
||||
v = getlistitem(list, i);
|
||||
if (is_floatobject(v))
|
||||
v = newfloatobject(clRatioToFloat(PVbuffer[i]));
|
||||
else
|
||||
if ((i & 1) &&
|
||||
param_type_is_float(self->ob_compressorHdl,
|
||||
PVbuffer[i-1]) > 0) {
|
||||
number = CL_TypeIsFloat(PVbuffer[i]);
|
||||
v = newfloatobject(number);
|
||||
} else
|
||||
v = newintobject(PVbuffer[i]);
|
||||
setlistitem(list, i, v);
|
||||
}
|
||||
|
|
@ -399,7 +403,98 @@ clm_SetParams(self, args)
|
|||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
return doParams(self, args, clSetParams, 1);
|
||||
return doParams(self, args, clSetParams, 0);
|
||||
}
|
||||
|
||||
static object *
|
||||
do_get(self, args, func)
|
||||
clobject *self;
|
||||
object *args;
|
||||
int (*func)(CL_Handle, int);
|
||||
{
|
||||
int paramID, value;
|
||||
float fvalue;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
||||
if (!getargs(args, "i", ¶mID))
|
||||
return NULL;
|
||||
|
||||
error_handler_called = 0;
|
||||
value = (*func)(self->ob_compressorHdl, paramID);
|
||||
if (error_handler_called)
|
||||
return NULL;
|
||||
|
||||
if (param_type_is_float(self->ob_compressorHdl, paramID) > 0) {
|
||||
fvalue = CL_TypeIsFloat(value);
|
||||
return newfloatobject(fvalue);
|
||||
}
|
||||
|
||||
return newintobject(value);
|
||||
}
|
||||
|
||||
static object *
|
||||
clm_GetParam(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
return do_get(self, args, clGetParam);
|
||||
}
|
||||
|
||||
static object *
|
||||
clm_GetDefault(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
return do_get(self, args, clGetDefault);
|
||||
}
|
||||
|
||||
static object *
|
||||
do_set(self, args, func)
|
||||
clobject *self;
|
||||
object *args;
|
||||
int (*func)(CL_Handle, int, int);
|
||||
{
|
||||
int paramID, value;
|
||||
float fvalue;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
||||
if (!getargs(args, "(ii)", ¶mID, &value)) {
|
||||
err_clear();
|
||||
if (!getargs(args, "(if)", ¶mID, &fvalue)) {
|
||||
err_clear();
|
||||
err_setstr(TypeError, "bad argument list (format '(ii)' or '(if)')");
|
||||
return NULL;
|
||||
}
|
||||
value = CL_TypeIsInt(fvalue);
|
||||
}
|
||||
|
||||
error_handler_called = 0;
|
||||
value = (*func)(self->ob_compressorHdl, paramID, value);
|
||||
if (error_handler_called)
|
||||
return NULL;
|
||||
|
||||
if (param_type_is_float(self->ob_compressorHdl, paramID) > 0)
|
||||
return newfloatobject(CL_TypeIsFloat(value));
|
||||
else
|
||||
return newintobject(value);
|
||||
}
|
||||
|
||||
static object *
|
||||
clm_SetParam(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
return do_set(self, args, clSetParam);
|
||||
}
|
||||
|
||||
static object *
|
||||
clm_SetDefault(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
return do_set(self, args, clSetDefault);
|
||||
}
|
||||
|
||||
static object *
|
||||
|
|
@ -408,7 +503,7 @@ clm_GetParamID(self, args)
|
|||
object *args;
|
||||
{
|
||||
char *name;
|
||||
long value;
|
||||
int value;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
||||
|
|
@ -431,8 +526,8 @@ clm_QueryParams(self, args)
|
|||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
long bufferlength;
|
||||
long *PVbuffer;
|
||||
int bufferlength;
|
||||
int *PVbuffer;
|
||||
object *list;
|
||||
int i;
|
||||
|
||||
|
|
@ -446,7 +541,7 @@ clm_QueryParams(self, args)
|
|||
if (error_handler_called)
|
||||
return NULL;
|
||||
|
||||
PVbuffer = NEW(long, bufferlength);
|
||||
PVbuffer = NEW(int, bufferlength);
|
||||
if (PVbuffer == NULL)
|
||||
return err_nomem();
|
||||
|
||||
|
|
@ -483,8 +578,8 @@ clm_GetMinMax(self, args)
|
|||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
long param, min, max;
|
||||
double fmin, fmax;
|
||||
int param, min, max;
|
||||
float fmin, fmax;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
||||
|
|
@ -494,20 +589,36 @@ clm_GetMinMax(self, args)
|
|||
clGetMinMax(self->ob_compressorHdl, param, &min, &max);
|
||||
|
||||
if (param_type_is_float(self->ob_compressorHdl, param) > 0) {
|
||||
fmin = clRatioToFloat(min);
|
||||
fmax = clRatioToFloat(max);
|
||||
fmin = CL_TypeIsFloat(min);
|
||||
fmax = CL_TypeIsFloat(max);
|
||||
return mkvalue("(ff)", fmin, fmax);
|
||||
}
|
||||
|
||||
return mkvalue("(ii)", min, max);
|
||||
}
|
||||
|
||||
static object *
|
||||
clm_SetMin(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
return do_set(self, args, clSetMin);
|
||||
}
|
||||
|
||||
static object *
|
||||
clm_SetMax(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
return do_set(self, args, clSetMax);
|
||||
}
|
||||
|
||||
static object *
|
||||
clm_GetName(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
long param;
|
||||
int param;
|
||||
char *name;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
|
@ -527,29 +638,20 @@ clm_GetName(self, args)
|
|||
}
|
||||
|
||||
static object *
|
||||
clm_GetDefault(self, args)
|
||||
clm_ReadHeader(self, args)
|
||||
clobject *self;
|
||||
object *args;
|
||||
{
|
||||
long param, value;
|
||||
double fvalue;
|
||||
char *header;
|
||||
int headerSize;
|
||||
|
||||
CheckCompressor(self);
|
||||
|
||||
if (!getargs(args, "i", ¶m))
|
||||
if (!getargs(args, "s#", &header, &headerSize))
|
||||
return NULL;
|
||||
|
||||
error_handler_called = 0;
|
||||
value = clGetDefault(self->ob_compressorHdl, param);
|
||||
if (error_handler_called)
|
||||
return NULL;
|
||||
|
||||
if (param_type_is_float(self->ob_compressorHdl, param) > 0) {
|
||||
fvalue = clRatioToFloat(value);
|
||||
return newfloatobject(fvalue);
|
||||
}
|
||||
|
||||
return newintobject(value);
|
||||
return newintobject(clReadHeader(self->ob_compressorHdl,
|
||||
headerSize, header));
|
||||
}
|
||||
|
||||
static struct methodlist compressor_methods[] = {
|
||||
|
|
@ -559,9 +661,14 @@ static struct methodlist compressor_methods[] = {
|
|||
{"GetDefault", clm_GetDefault},
|
||||
{"GetMinMax", clm_GetMinMax},
|
||||
{"GetName", clm_GetName},
|
||||
{"GetParam", clm_GetParam},
|
||||
{"GetParamID", clm_GetParamID},
|
||||
{"GetParams", clm_GetParams},
|
||||
{"QueryParams", clm_QueryParams},
|
||||
{"SetDefault", clm_SetDefault},
|
||||
{"SetMax", clm_SetMax},
|
||||
{"SetMin", clm_SetMin},
|
||||
{"SetParam", clm_SetParam},
|
||||
{"SetParams", clm_SetParams},
|
||||
{NULL, NULL} /* sentinel */
|
||||
};
|
||||
|
|
@ -573,9 +680,15 @@ static struct methodlist decompressor_methods[] = {
|
|||
{"GetDefault", clm_GetDefault},
|
||||
{"GetMinMax", clm_GetMinMax},
|
||||
{"GetName", clm_GetName},
|
||||
{"GetParam", clm_GetParam},
|
||||
{"GetParamID", clm_GetParamID},
|
||||
{"GetParams", clm_GetParams},
|
||||
{"ReadHeader", clm_ReadHeader},
|
||||
{"QueryParams", clm_QueryParams},
|
||||
{"SetDefault", clm_SetDefault},
|
||||
{"SetMax", clm_SetMax},
|
||||
{"SetMin", clm_SetMin},
|
||||
{"SetParam", clm_SetParam},
|
||||
{"SetParams", clm_SetParams},
|
||||
{NULL, NULL} /* sentinel */
|
||||
};
|
||||
|
|
@ -625,10 +738,10 @@ static typeobject Cltype = {
|
|||
static object *
|
||||
doOpen(self, args, open_func, iscompressor)
|
||||
object *self, *args;
|
||||
long (*open_func) PROTO((long, CL_Handle *));
|
||||
int (*open_func) PROTO((int, CL_Handle *));
|
||||
int iscompressor;
|
||||
{
|
||||
long scheme;
|
||||
int scheme;
|
||||
clobject *new;
|
||||
|
||||
if (!getargs(args, "i", &scheme))
|
||||
|
|
@ -665,11 +778,138 @@ cl_OpenDecompressor(self, args)
|
|||
return doOpen(self, args, clOpenDecompressor, 0);
|
||||
}
|
||||
|
||||
static object *
|
||||
cl_QueryScheme(self, args)
|
||||
object *self, *args;
|
||||
{
|
||||
char *header;
|
||||
int headerlen;
|
||||
int scheme;
|
||||
|
||||
if (!getargs(args, "s#", &header, &headerlen))
|
||||
return NULL;
|
||||
|
||||
scheme = clQueryScheme(header);
|
||||
if (scheme < 0) {
|
||||
err_setstr(ClError, "unknown compression scheme");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return newintobject(scheme);
|
||||
}
|
||||
|
||||
static object *
|
||||
cl_QueryMaxHeaderSize(self, args)
|
||||
object *self, *args;
|
||||
{
|
||||
int scheme;
|
||||
|
||||
if (!getargs(args, "i", &scheme))
|
||||
return NULL;
|
||||
|
||||
return newintobject(clQueryMaxHeaderSize(scheme));
|
||||
}
|
||||
|
||||
static object *
|
||||
cl_QueryAlgorithms(self, args)
|
||||
object *self, *args;
|
||||
{
|
||||
int algorithmMediaType;
|
||||
int bufferlength;
|
||||
int *PVbuffer;
|
||||
object *list;
|
||||
int i;
|
||||
|
||||
if (!getargs(args, "i", &algorithmMediaType))
|
||||
return NULL;
|
||||
|
||||
error_handler_called = 0;
|
||||
bufferlength = clQueryAlgorithms(algorithmMediaType, 0, 0);
|
||||
if (error_handler_called)
|
||||
return NULL;
|
||||
|
||||
PVbuffer = NEW(int, bufferlength);
|
||||
if (PVbuffer == NULL)
|
||||
return err_nomem();
|
||||
|
||||
bufferlength = clQueryAlgorithms(algorithmMediaType, PVbuffer,
|
||||
bufferlength);
|
||||
if (error_handler_called) {
|
||||
DEL(PVbuffer);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
list = newlistobject(bufferlength);
|
||||
if (list == NULL) {
|
||||
DEL(PVbuffer);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
for (i = 0; i < bufferlength; i++) {
|
||||
if (i & 1)
|
||||
setlistitem(list, i, newintobject(PVbuffer[i]));
|
||||
else if (PVbuffer[i] == 0) {
|
||||
INCREF(None);
|
||||
setlistitem(list, i, None);
|
||||
} else
|
||||
setlistitem(list, i, newstringobject((char *) PVbuffer[i]));
|
||||
}
|
||||
|
||||
DEL(PVbuffer);
|
||||
|
||||
return list;
|
||||
}
|
||||
|
||||
static object *
|
||||
cl_QuerySchemeFromName(self, args)
|
||||
object *self, *args;
|
||||
{
|
||||
int algorithmMediaType;
|
||||
char *name;
|
||||
int scheme;
|
||||
|
||||
if (!getargs(args, "(is)", &algorithmMediaType, &name))
|
||||
return NULL;
|
||||
|
||||
error_handler_called = 0;
|
||||
scheme = clQuerySchemeFromName(algorithmMediaType, name);
|
||||
if (error_handler_called) {
|
||||
err_setstr(ClError, "unknown compression scheme");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return newintobject(scheme);
|
||||
}
|
||||
|
||||
static object *
|
||||
cl_GetAlgorithmName(self, args)
|
||||
object *self, *args;
|
||||
{
|
||||
int scheme;
|
||||
char *name;
|
||||
|
||||
if (!getargs(args, "i", &scheme))
|
||||
return NULL;
|
||||
|
||||
name = clGetAlgorithmName(scheme);
|
||||
if (name == 0) {
|
||||
err_setstr(ClError, "unknown compression scheme");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return newstringobject(name);
|
||||
}
|
||||
|
||||
static struct methodlist cl_methods[] = {
|
||||
{"CompressImage", cl_CompressImage},
|
||||
{"DecompressImage", cl_DecompressImage},
|
||||
{"GetAlgorithmName", cl_GetAlgorithmName},
|
||||
{"OpenCompressor", cl_OpenCompressor},
|
||||
{"OpenDecompressor", cl_OpenDecompressor},
|
||||
{"QueryAlgorithms", cl_QueryAlgorithms},
|
||||
{"QueryMaxHeaderSize", cl_QueryMaxHeaderSize},
|
||||
{"QueryScheme", cl_QueryScheme},
|
||||
{"QuerySchemeFromName", cl_QuerySchemeFromName},
|
||||
{NULL, NULL} /* Sentinel */
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue