本文整理汇总了Python中audiotools.ChannelMask.channels方法的典型用法代码示例。如果您正苦于以下问题：Python ChannelMask.channels方法的具体用法？Python ChannelMask.channels怎么用？Python ChannelMask.channels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audiotools.ChannelMask的用法示例。
在下文中一共展示了ChannelMask.channels方法的4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__
# 需要导入模块: from audiotools import ChannelMask [as 别名]
# 或者: from audiotools.ChannelMask import channels [as 别名]
def __init__(self, aiff_file,
sample_rate, channels, channel_mask, bits_per_sample,
chunk_length, process=None):
"""aiff_file should be rewound to the start of the SSND chunk."""
alignment = AiffAudio.SSND_ALIGN.parse_stream(aiff_file)
PCMReader.__init__(self,
file=__capped_stream_reader__(
aiff_file,
chunk_length - AiffAudio.SSND_ALIGN.sizeof()),
sample_rate=sample_rate,
channels=channels,
channel_mask=channel_mask,
bits_per_sample=bits_per_sample,
process=process,
signed=True,
big_endian=True)
self.ssnd_chunk_length = chunk_length - 8
standard_channel_mask = ChannelMask(self.channel_mask)
aiff_channel_mask = AIFFChannelMask(standard_channel_mask)
if (channels in (3, 4, 6)):
self.channel_order = [aiff_channel_mask.channels().index(channel)
for channel in
standard_channel_mask.channels()]
else:
self.channel_order = None示例2: __init__
# 需要导入模块: from audiotools import ChannelMask [as 别名]
# 或者: from audiotools.ChannelMask import channels [as 别名]
def __init__(self, aiff_file,
sample_rate, channels, channel_mask, bits_per_sample,
total_frames, process=None):
"""aiff_file should be a file-like object of aiff data
sample_rate, channels, channel_mask and bits_per_sample are ints."""
self.file = aiff_file
self.sample_rate = sample_rate
self.channels = channels
self.channel_mask = channel_mask
self.bits_per_sample = bits_per_sample
self.remaining_frames = total_frames
self.bytes_per_frame = self.channels * self.bits_per_sample / 8
self.process = process
from .bitstream import BitstreamReader
#build a capped reader for the ssnd chunk
aiff_reader = BitstreamReader(aiff_file, 0)
try:
(form, aiff) = aiff_reader.parse("4b 32p 4b")
if (form != 'FORM'):
raise InvalidAIFF(_(u"Not an AIFF file"))
elif (aiff != 'AIFF'):
raise InvalidAIFF(_(u"Invalid AIFF file"))
while (True):
(chunk_id, chunk_size) = aiff_reader.parse("4b 32u")
if (chunk_id == 'SSND'):
#adjust for the SSND alignment
aiff_reader.skip(64)
break
else:
aiff_reader.skip_bytes(chunk_size)
if (chunk_size % 2):
aiff_reader.skip(8)
except IOError:
self.read = self.read_error
#handle AIFF unusual channel order
standard_channel_mask = ChannelMask(self.channel_mask)
aiff_channel_mask = AIFFChannelMask(standard_channel_mask)
if (channels in (3, 4, 6)):
self.channel_order = [aiff_channel_mask.channels().index(channel)
for channel in
standard_channel_mask.channels()]
else:
self.channel_order = None示例3: ChannelMask
# 需要导入模块: from audiotools import ChannelMask [as 别名]
# 或者: from audiotools.ChannelMask import channels [as 别名]
0x70f, # FL, FC, FR, SL, SR, BC, LFE
0x63f)): # FL, FC, FR, SL, SR, BL, BR, LFE
standard_channel_mask = ChannelMask(pcmreader.channel_mask)
vorbis_channel_mask = VorbisChannelMask(standard_channel_mask)
else:
raise UnsupportedChannelMask(filename,
int(pcmreader.channel_mask))
try:
from . import ReorderedPCMReader
transfer_framelist_data(
ReorderedPCMReader(
pcmreader,
[standard_channel_mask.channels().index(channel)
for channel in vorbis_channel_mask.channels()]),
sub.stdin.write)
except (IOError, ValueError), err:
sub.stdin.close()
sub.wait()
cls.__unlink__(filename)
raise EncodingError(str(err))
except Exception, err:
sub.stdin.close()
sub.wait()
cls.__unlink__(filename)
raise err
else:
raise UnsupportedChannelMask(filename,示例4: ChannelMask
# 需要导入模块: from audiotools import ChannelMask [as 别名]
# 或者: from audiotools.ChannelMask import channels [as 别名]
0x37, # FR, FC, FL, BL, BR
0x3F, # FR, FC, FL, BL, BR, LFE
0x70F, # FL, FC, FR, SL, SR, BC, LFE
0x63F,
): # FL, FC, FR, SL, SR, BL, BR, LFE
standard_channel_mask = ChannelMask(pcmreader.channel_mask)
vorbis_channel_mask = VorbisChannelMask(standard_channel_mask)
else:
raise UnsupportedChannelMask(filename, int(pcmreader.channel_mask))
try:
transfer_framelist_data(
ReorderedPCMReader(
pcmreader,
[standard_channel_mask.channels().index(channel) for channel in vorbis_channel_mask.channels()],
),
sub.stdin.write,
)
except (IOError, ValueError), err:
sub.stdin.close()
sub.wait()
cls.__unlink__(filename)
raise EncodingError(str(err))
except Exception, err:
sub.stdin.close()
sub.wait()
cls.__unlink__(filename)
raise err
else: