/usr/lib/python2.7/dist-packages/libmimms/libmms.py is in mimms 3.2.2-1.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | # -*- coding: utf-8 -*-
#
# mimms - mms stream downloader
# Copyright © 2008 Wesley J. Landaker <wjl@icecavern.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
This module uses ctypes to interface to libmms. Currently, it just
exposes the mmsx interface, since this one is the most flexible.
"""
from ctypes import *
libmms = cdll.LoadLibrary("libmms.so.0")
# opening and closing the stream
libmms.mmsx_connect.argtypes = [c_void_p, c_void_p, c_char_p, c_int]
libmms.mmsx_connect.restype = c_void_p
libmms.mmsx_close.argtypes = [c_void_p]
libmms.mmsx_close.restype = None
# querying length and position
libmms.mmsx_get_current_pos.argtypes = [c_void_p]
libmms.mmsx_get_current_pos.restype = c_longlong
libmms.mmsx_get_length.argtypes = [c_void_p]
libmms.mmsx_get_length.restype = c_uint
libmms.mmsx_get_time_length.argtypes = [c_void_p]
libmms.mmsx_get_time_length.restype = c_double
# seeking
libmms.mmsx_get_seekable.argtypes = [c_void_p]
libmms.mmsx_get_seekable.restype = c_int
libmms.mmsx_seek.argtypes = [c_void_p, c_void_p, c_longlong, c_int]
libmms.mmsx_seek.restype = c_longlong
libmms.mmsx_time_seek.argtypes = [c_void_p, c_void_p, c_double]
libmms.mmsx_time_seek.restype = c_int
# reading data
libmms.mmsx_read.argtypes = [c_void_p, c_void_p, c_char_p, c_int]
libmms.mmsx_read.restype = c_int
class Error(Exception):
"Encapsulates a libmms error."
pass
class Stream:
"Simple class wrapper for libmms using mmsx calls."
def __init__(self, url, bandwidth):
"Connect to the given URL, prefering the given bandwidth."
self.mms = libmms.mmsx_connect(None, None, url, int(bandwidth))
if not self.mms:
raise Error("libmms connection error")
def length(self):
"Return the length of the stream, in bytes."
return libmms.mmsx_get_length(self.mms)
def position(self):
"Return the current position of the stream, in bytes."
return libmms.mmsx_get_current_pos(self.mms)
def duration(self):
"Return the duration of the stream, in (fractional) seconds."
return libmms.mmsx_get_time_length(self.mms)
def seekable(self):
"Return whether or not the stream is seekable."
return libmms.mmsx_get_seekable(self.mms)
def seek(self, pos):
"Seek to the given position in the stream, in bytes."
return libmms.mmsx_seek(None, self.mms, pos, 0);
def time_seek(self, time):
"Seek to the given time in the stream, in (fractional) seconds."
return libmms.mmsx_time_seek(None, self.mms, float(time));
def read(self):
"Read a block of data from the stream."
buffer = create_string_buffer(1024)
count = libmms.mmsx_read(0, self.mms, buffer, 1024)
if count < 0:
raise Error("libmms read error")
return buffer[:count]
def __iter__(self):
"Iterate over all the data in the stream."
while True:
data = self.read()
if data:
yield data
else:
break
def close(self):
"Close the stream."
libmms.mmsx_close(self.mms)
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