mirror of
https://github.com/MCV-Software/TWBlue.git
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62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
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from __future__ import absolute_import
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import platform
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import sys
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from .channel import Channel
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from .main import bass_call, bass_call_0
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from .external.pybass import *
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convert_to_unicode = str
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class BaseStream(Channel):
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def _callback(*args):
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#Stub it out as otherwise it'll crash, hard. Used for stubbing download procs
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return 0
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def free(self):
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return bass_call(BASS_StreamFree, self.handle)
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def get_file_position(self, mode):
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return bass_call_0(BASS_StreamGetFilePosition, self.handle, mode)
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class Stream(BaseStream):
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def __init__(self, freq=44100, chans=2, flags=0, proc=None, user=None, three_d=False, autofree=False, decode=False):
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self.proc = STREAMPROC(proc)
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self.setup_flag_mapping()
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flags = flags | self.flags_for(three_d=three_d, autofree=autofree, decode=decode)
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handle = bass_call(BASS_StreamCreate, freq, chans, flags, self.proc, user)
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super(Stream, self).__init__(handle)
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class FileStream(BaseStream):
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def __init__(self, mem=False, file=None, offset=0, length=0, flags=0, three_d=False, mono=False, autofree=False, decode=False, unicode=True):
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"""Creates a sample stream from an MP3, MP2, MP1, OGG, WAV, AIFF or plugin supported file."""
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if platform.system() == 'Darwin' or platform.system() == "Linux":
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unicode = False
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file = file.encode(sys.getfilesystemencoding())
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self.setup_flag_mapping()
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flags = flags | self.flags_for(three_d=three_d, autofree=autofree, mono=mono, decode=decode, unicode=unicode)
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if unicode and isinstance(file, str):
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file = convert_to_unicode(file)
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self.file = file
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handle = bass_call(BASS_StreamCreateFile, mem, file, offset, length, flags)
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super(FileStream, self).__init__(handle)
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def setup_flag_mapping(self):
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super(FileStream, self).setup_flag_mapping()
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self.flag_mapping.update({
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'unicode': BASS_UNICODE
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})
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class URLStream(BaseStream):
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def __init__(self, url="", offset=0, flags=0, downloadproc=None, user=None, three_d=False, autofree=False, decode=False):
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self._downloadproc = downloadproc or self._callback #we *must hold on to this
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self.downloadproc = DOWNLOADPROC(self._downloadproc)
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self.url = url
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self.setup_flag_mapping()
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flags = flags | self.flags_for(three_d=three_d, autofree=autofree, decode=decode)
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handle = bass_call(BASS_StreamCreateURL, url, offset, flags, self.downloadproc, user)
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super(URLStream, self).__init__(handle)
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