本文整理汇总了Python中cl.OpenCompressor方法的典型用法代码示例。如果您正苦于以下问题：Python cl.OpenCompressor方法的具体用法？Python cl.OpenCompressor怎么用？Python cl.OpenCompressor使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cl的用法示例。
在下文中一共展示了cl.OpenCompressor方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _init_compression
# 需要导入模块: import cl [as 别名]
# 或者: from cl import OpenCompressor [as 别名]
def _init_compression(self):
if self._comptype == 'G722':
self._convert = self._lin2adpcm
return
try:
import cl
except ImportError:
if self._comptype == 'ULAW':
try:
import audioop
self._convert = self._lin2ulaw
return
except ImportError:
pass
raise Error, 'cannot write compressed AIFF-C files'
if self._comptype == 'ULAW':
scheme = cl.G711_ULAW
elif self._comptype == 'ALAW':
scheme = cl.G711_ALAW
else:
raise Error, 'unsupported compression type'
self._comp = cl.OpenCompressor(scheme)
params = [cl.ORIGINAL_FORMAT, 0,
cl.BITS_PER_COMPONENT, self._sampwidth * 8,
cl.FRAME_RATE, self._framerate,
cl.FRAME_BUFFER_SIZE, 100,
cl.COMPRESSED_BUFFER_SIZE, 100]
if self._nchannels == 1:
params[1] = cl.MONO
elif self._nchannels == 2:
params[1] = cl.STEREO_INTERLEAVED
else:
raise Error, 'cannot compress more than 2 channels'
self._comp.SetParams(params)
# the compressor produces a header which we ignore
dummy = self._comp.Compress(0, '')
self._convert = self._comp_data 示例2: _init_compression
# 需要导入模块: import cl [as 别名]
# 或者: from cl import OpenCompressor [as 别名]
def _init_compression(self):
if self._comptype == 'G722':
self._convert = self._lin2adpcm
return
try:
import cl
except ImportError:
if self._comptype in ('ULAW', 'ulaw'):
try:
import audioop
self._convert = self._lin2ulaw
return
except ImportError:
pass
raise Error, 'cannot write compressed AIFF-C files'
if self._comptype in ('ULAW', 'ulaw'):
scheme = cl.G711_ULAW
elif self._comptype in ('ALAW', 'alaw'):
scheme = cl.G711_ALAW
else:
raise Error, 'unsupported compression type'
self._comp = cl.OpenCompressor(scheme)
params = [cl.ORIGINAL_FORMAT, 0,
cl.BITS_PER_COMPONENT, self._sampwidth * 8,
cl.FRAME_RATE, self._framerate,
cl.FRAME_BUFFER_SIZE, 100,
cl.COMPRESSED_BUFFER_SIZE, 100]
if self._nchannels == 1:
params[1] = cl.MONO
elif self._nchannels == 2:
params[1] = cl.STEREO_INTERLEAVED
else:
raise Error, 'cannot compress more than 2 channels'
self._comp.SetParams(params)
# the compressor produces a header which we ignore
dummy = self._comp.Compress(0, '')
self._convert = self._comp_data