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vlc.py
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vlc.py
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#! /usr/bin/python
# -*- coding: utf-8 -*-
# Python ctypes bindings for VLC
#
# Copyright (C) 2009-2012 the VideoLAN team
# $Id: $
#
# Authors: Olivier Aubert <contact at olivieraubert.net>
# Jean Brouwers <MrJean1 at gmail.com>
# Geoff Salmon <geoff.salmon at gmail.com>
#
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
"""This module provides bindings for the LibVLC public API, see
U{http://wiki.videolan.org/LibVLC}.
You can find the documentation and a README file with some examples
at U{http://www.advene.org/download/python-ctypes/}.
Basically, the most important class is L{Instance}, which is used
to create a libvlc instance. From this instance, you then create
L{MediaPlayer} and L{MediaListPlayer} instances.
Alternatively, you may create instances of the L{MediaPlayer} and
L{MediaListPlayer} class directly and an instance of L{Instance}
will be implicitly created. The latter can be obtained using the
C{get_instance} method of L{MediaPlayer} and L{MediaListPlayer}.
"""
import ctypes
from ctypes.util import find_library
import os
import sys
import functools
# Used by EventManager in override.py
from inspect import getargspec
__version__ = "N/A"
build_date = "Mon Mar 20 11:04:27 2017"
# The libvlc doc states that filenames are expected to be in UTF8, do
# not rely on sys.getfilesystemencoding() which will be confused,
# esp. on windows.
DEFAULT_ENCODING = 'utf-8'
if sys.version_info[0] > 2:
str = str
unicode = str
bytes = bytes
basestring = (str, bytes)
PYTHON3 = True
def str_to_bytes(s):
"""Translate string or bytes to bytes.
"""
if isinstance(s, str):
return bytes(s, DEFAULT_ENCODING)
else:
return s
def bytes_to_str(b):
"""Translate bytes to string.
"""
if isinstance(b, bytes):
return b.decode(DEFAULT_ENCODING)
else:
return b
else:
str = str
unicode = unicode
bytes = str
basestring = basestring
PYTHON3 = False
def str_to_bytes(s):
"""Translate string or bytes to bytes.
"""
if isinstance(s, unicode):
return s.encode(DEFAULT_ENCODING)
else:
return s
def bytes_to_str(b):
"""Translate bytes to unicode string.
"""
if isinstance(b, str):
return unicode(b, DEFAULT_ENCODING)
else:
return b
# Internal guard to prevent internal classes to be directly
# instanciated.
_internal_guard = object()
def find_lib():
dll = None
plugin_path = None
if sys.platform.startswith('linux'):
p = find_library('vlc')
try:
dll = ctypes.CDLL(p)
except OSError: # may fail
dll = ctypes.CDLL('libvlc.so.5')
elif sys.platform.startswith('win'):
libname = 'libvlc.dll'
p = find_library(libname)
if p is None:
try: # some registry settings
# leaner than win32api, win32con
if PYTHON3:
import winreg as w
else:
import _winreg as w
for r in w.HKEY_LOCAL_MACHINE, w.HKEY_CURRENT_USER:
try:
r = w.OpenKey(r, 'Software\\VideoLAN\\VLC')
plugin_path, _ = w.QueryValueEx(r, 'InstallDir')
w.CloseKey(r)
break
except w.error:
pass
except ImportError: # no PyWin32
pass
if plugin_path is None:
# try some standard locations.
programfiles = os.environ["ProgramFiles"]
homedir = os.environ["HOMEDRIVE"]
for p in ('{programfiles}\\VideoLan{libname}', '{homedir}:\\VideoLan{libname}',
'{programfiles}{libname}', '{homedir}:{libname}'):
p = p.format(homedir = homedir,
programfiles = programfiles,
libname = '\\VLC\\' + libname)
if os.path.exists(p):
plugin_path = os.path.dirname(p)
break
if plugin_path is not None: # try loading
p = os.getcwd()
os.chdir(plugin_path)
# if chdir failed, this will raise an exception
dll = ctypes.CDLL(libname)
# restore cwd after dll has been loaded
os.chdir(p)
else: # may fail
dll = ctypes.CDLL(libname)
else:
plugin_path = os.path.dirname(p)
dll = ctypes.CDLL(p)
elif sys.platform.startswith('darwin'):
# FIXME: should find a means to configure path
d = '/Applications/VLC.app/Contents/MacOS/'
p = d + 'lib/libvlc.dylib'
if os.path.exists(p):
dll = ctypes.CDLL(p)
for p in ('modules', 'plugins'):
p = d + p
if os.path.isdir(p):
plugin_path = p
break
else: # hope, some PATH is set...
dll = ctypes.CDLL('libvlc.dylib')
else:
raise NotImplementedError('%s: %s not supported' % (sys.argv[0], sys.platform))
return (dll, plugin_path)
# plugin_path used on win32 and MacOS in override.py
dll, plugin_path = find_lib()
class VLCException(Exception):
"""Exception raised by libvlc methods.
"""
pass
try:
_Ints = (int, long)
except NameError: # no long in Python 3+
_Ints = int
_Seqs = (list, tuple)
# Used for handling *event_manager() methods.
class memoize_parameterless(object):
"""Decorator. Caches a parameterless method's return value each time it is called.
If called later with the same arguments, the cached value is returned
(not reevaluated).
Adapted from https://wiki.python.org/moin/PythonDecoratorLibrary
"""
def __init__(self, func):
self.func = func
self._cache = {}
def __call__(self, obj):
try:
return self._cache[obj]
except KeyError:
v = self._cache[obj] = self.func(obj)
return v
def __repr__(self):
"""Return the function's docstring.
"""
return self.func.__doc__
def __get__(self, obj, objtype):
"""Support instance methods.
"""
return functools.partial(self.__call__, obj)
# Default instance. It is used to instanciate classes directly in the
# OO-wrapper.
_default_instance = None
def get_default_instance():
"""Return the default VLC.Instance.
"""
global _default_instance
if _default_instance is None:
_default_instance = Instance()
return _default_instance
_Cfunctions = {} # from LibVLC __version__
_Globals = globals() # sys.modules[__name__].__dict__
def _Cfunction(name, flags, errcheck, *types):
"""(INTERNAL) New ctypes function binding.
"""
if hasattr(dll, name) and name in _Globals:
p = ctypes.CFUNCTYPE(*types)
f = p((name, dll), flags)
if errcheck is not None:
f.errcheck = errcheck
# replace the Python function
# in this module, but only when
# running as python -O or -OO
if __debug__:
_Cfunctions[name] = f
else:
_Globals[name] = f
return f
raise NameError('no function %r' % (name,))
def _Cobject(cls, ctype):
"""(INTERNAL) New instance from ctypes.
"""
o = object.__new__(cls)
o._as_parameter_ = ctype
return o
def _Constructor(cls, ptr=_internal_guard):
"""(INTERNAL) New wrapper from ctypes.
"""
if ptr == _internal_guard:
raise VLCException("(INTERNAL) ctypes class. You should get references for this class through methods of the LibVLC API.")
if ptr is None or ptr == 0:
return None
return _Cobject(cls, ctypes.c_void_p(ptr))
class _Cstruct(ctypes.Structure):
"""(INTERNAL) Base class for ctypes structures.
"""
_fields_ = [] # list of 2-tuples ('name', ctyptes.<type>)
def __str__(self):
l = [' %s:\t%s' % (n, getattr(self, n)) for n, _ in self._fields_]
return '\n'.join([self.__class__.__name__] + l)
def __repr__(self):
return '%s.%s' % (self.__class__.__module__, self)
class _Ctype(object):
"""(INTERNAL) Base class for ctypes.
"""
@staticmethod
def from_param(this): # not self
"""(INTERNAL) ctypes parameter conversion method.
"""
if this is None:
return None
return this._as_parameter_
class ListPOINTER(object):
"""Just like a POINTER but accept a list of ctype as an argument.
"""
def __init__(self, etype):
self.etype = etype
def from_param(self, param):
if isinstance(param, _Seqs):
return (self.etype * len(param))(*param)
else:
return ctypes.POINTER(param)
# errcheck functions for some native functions.
def string_result(result, func, arguments):
"""Errcheck function. Returns a string and frees the original pointer.
It assumes the result is a char *.
"""
if result:
# make a python string copy
s = bytes_to_str(ctypes.string_at(result))
# free original string ptr
libvlc_free(result)
return s
return None
def class_result(classname):
"""Errcheck function. Returns a function that creates the specified class.
"""
def wrap_errcheck(result, func, arguments):
if result is None:
return None
return classname(result)
return wrap_errcheck
# Wrapper for the opaque struct libvlc_log_t
class Log(ctypes.Structure):
pass
Log_ptr = ctypes.POINTER(Log)
# FILE* ctypes wrapper, copied from
# http://svn.python.org/projects/ctypes/trunk/ctypeslib/ctypeslib/contrib/pythonhdr.py
class FILE(ctypes.Structure):
pass
FILE_ptr = ctypes.POINTER(FILE)
if PYTHON3:
PyFile_FromFd = ctypes.pythonapi.PyFile_FromFd
PyFile_FromFd.restype = ctypes.py_object
PyFile_FromFd.argtypes = [ctypes.c_int,
ctypes.c_char_p,
ctypes.c_char_p,
ctypes.c_int,
ctypes.c_char_p,
ctypes.c_char_p,
ctypes.c_char_p,
ctypes.c_int ]
PyFile_AsFd = ctypes.pythonapi.PyObject_AsFileDescriptor
PyFile_AsFd.restype = ctypes.c_int
PyFile_AsFd.argtypes = [ctypes.py_object]
else:
PyFile_FromFile = ctypes.pythonapi.PyFile_FromFile
PyFile_FromFile.restype = ctypes.py_object
PyFile_FromFile.argtypes = [FILE_ptr,
ctypes.c_char_p,
ctypes.c_char_p,
ctypes.CFUNCTYPE(ctypes.c_int, FILE_ptr)]
PyFile_AsFile = ctypes.pythonapi.PyFile_AsFile
PyFile_AsFile.restype = FILE_ptr
PyFile_AsFile.argtypes = [ctypes.py_object]
# Generated enum types #
class _Enum(ctypes.c_uint):
'''(INTERNAL) Base class
'''
_enum_names_ = {}
def __str__(self):
n = self._enum_names_.get(self.value, '') or ('FIXME_(%r)' % (self.value,))
return '.'.join((self.__class__.__name__, n))
def __hash__(self):
return self.value
def __repr__(self):
return '.'.join((self.__class__.__module__, self.__str__()))
def __eq__(self, other):
return ( (isinstance(other, _Enum) and self.value == other.value)
or (isinstance(other, _Ints) and self.value == other) )
def __ne__(self, other):
return not self.__eq__(other)
class LogLevel(_Enum):
'''Logging messages level.
\note future libvlc versions may define new levels.
'''
_enum_names_ = {
0: 'DEBUG',
2: 'NOTICE',
3: 'WARNING',
4: 'ERROR',
}
LogLevel.DEBUG = LogLevel(0)
LogLevel.ERROR = LogLevel(4)
LogLevel.NOTICE = LogLevel(2)
LogLevel.WARNING = LogLevel(3)
class MediaDiscovererCategory(_Enum):
'''Category of a media discoverer
See libvlc_media_discoverer_list_get().
'''
_enum_names_ = {
0: 'devices',
1: 'lan',
2: 'podcasts',
3: 'localdirs',
}
MediaDiscovererCategory.devices = MediaDiscovererCategory(0)
MediaDiscovererCategory.lan = MediaDiscovererCategory(1)
MediaDiscovererCategory.localdirs = MediaDiscovererCategory(3)
MediaDiscovererCategory.podcasts = MediaDiscovererCategory(2)
class DialogQuestionType(_Enum):
'''@defgroup libvlc_dialog libvlc dialog
@ingroup libvlc
@{
@file
libvlc dialog external api.
'''
_enum_names_ = {
0: 'NORMAL',
1: 'WARNING',
2: 'CRITICAL',
}
DialogQuestionType.CRITICAL = DialogQuestionType(2)
DialogQuestionType.NORMAL = DialogQuestionType(0)
DialogQuestionType.WARNING = DialogQuestionType(1)
class EventType(_Enum):
'''Event types.
'''
_enum_names_ = {
0: 'MediaMetaChanged',
1: 'MediaSubItemAdded',
2: 'MediaDurationChanged',
3: 'MediaParsedChanged',
4: 'MediaFreed',
5: 'MediaStateChanged',
6: 'MediaSubItemTreeAdded',
0x100: 'MediaPlayerMediaChanged',
257: 'MediaPlayerNothingSpecial',
258: 'MediaPlayerOpening',
259: 'MediaPlayerBuffering',
260: 'MediaPlayerPlaying',
261: 'MediaPlayerPaused',
262: 'MediaPlayerStopped',
263: 'MediaPlayerForward',
264: 'MediaPlayerBackward',
265: 'MediaPlayerEndReached',
266: 'MediaPlayerEncounteredError',
267: 'MediaPlayerTimeChanged',
268: 'MediaPlayerPositionChanged',
269: 'MediaPlayerSeekableChanged',
270: 'MediaPlayerPausableChanged',
271: 'MediaPlayerTitleChanged',
272: 'MediaPlayerSnapshotTaken',
273: 'MediaPlayerLengthChanged',
274: 'MediaPlayerVout',
275: 'MediaPlayerScrambledChanged',
276: 'MediaPlayerESAdded',
277: 'MediaPlayerESDeleted',
278: 'MediaPlayerESSelected',
279: 'MediaPlayerCorked',
280: 'MediaPlayerUncorked',
281: 'MediaPlayerMuted',
282: 'MediaPlayerUnmuted',
283: 'MediaPlayerAudioVolume',
284: 'MediaPlayerAudioDevice',
285: 'MediaPlayerChapterChanged',
0x200: 'MediaListItemAdded',
513: 'MediaListWillAddItem',
514: 'MediaListItemDeleted',
515: 'MediaListWillDeleteItem',
516: 'MediaListEndReached',
0x300: 'MediaListViewItemAdded',
769: 'MediaListViewWillAddItem',
770: 'MediaListViewItemDeleted',
771: 'MediaListViewWillDeleteItem',
0x400: 'MediaListPlayerPlayed',
1025: 'MediaListPlayerNextItemSet',
1026: 'MediaListPlayerStopped',
0x500: 'MediaDiscovererStarted',
1281: 'MediaDiscovererEnded',
1282: 'RendererDiscovererItemAdded',
1283: 'RendererDiscovererItemDeleted',
0x600: 'VlmMediaAdded',
1537: 'VlmMediaRemoved',
1538: 'VlmMediaChanged',
1539: 'VlmMediaInstanceStarted',
1540: 'VlmMediaInstanceStopped',
1541: 'VlmMediaInstanceStatusInit',
1542: 'VlmMediaInstanceStatusOpening',
1543: 'VlmMediaInstanceStatusPlaying',
1544: 'VlmMediaInstanceStatusPause',
1545: 'VlmMediaInstanceStatusEnd',
1546: 'VlmMediaInstanceStatusError',
}
EventType.MediaDiscovererEnded = EventType(1281)
EventType.MediaDiscovererStarted = EventType(0x500)
EventType.MediaDurationChanged = EventType(2)
EventType.MediaFreed = EventType(4)
EventType.MediaListEndReached = EventType(516)
EventType.MediaListItemAdded = EventType(0x200)
EventType.MediaListItemDeleted = EventType(514)
EventType.MediaListPlayerNextItemSet = EventType(1025)
EventType.MediaListPlayerPlayed = EventType(0x400)
EventType.MediaListPlayerStopped = EventType(1026)
EventType.MediaListViewItemAdded = EventType(0x300)
EventType.MediaListViewItemDeleted = EventType(770)
EventType.MediaListViewWillAddItem = EventType(769)
EventType.MediaListViewWillDeleteItem = EventType(771)
EventType.MediaListWillAddItem = EventType(513)
EventType.MediaListWillDeleteItem = EventType(515)
EventType.MediaMetaChanged = EventType(0)
EventType.MediaParsedChanged = EventType(3)
EventType.MediaPlayerAudioDevice = EventType(284)
EventType.MediaPlayerAudioVolume = EventType(283)
EventType.MediaPlayerBackward = EventType(264)
EventType.MediaPlayerBuffering = EventType(259)
EventType.MediaPlayerChapterChanged = EventType(285)
EventType.MediaPlayerCorked = EventType(279)
EventType.MediaPlayerESAdded = EventType(276)
EventType.MediaPlayerESDeleted = EventType(277)
EventType.MediaPlayerESSelected = EventType(278)
EventType.MediaPlayerEncounteredError = EventType(266)
EventType.MediaPlayerEndReached = EventType(265)
EventType.MediaPlayerForward = EventType(263)
EventType.MediaPlayerLengthChanged = EventType(273)
EventType.MediaPlayerMediaChanged = EventType(0x100)
EventType.MediaPlayerMuted = EventType(281)
EventType.MediaPlayerNothingSpecial = EventType(257)
EventType.MediaPlayerOpening = EventType(258)
EventType.MediaPlayerPausableChanged = EventType(270)
EventType.MediaPlayerPaused = EventType(261)
EventType.MediaPlayerPlaying = EventType(260)
EventType.MediaPlayerPositionChanged = EventType(268)
EventType.MediaPlayerScrambledChanged = EventType(275)
EventType.MediaPlayerSeekableChanged = EventType(269)
EventType.MediaPlayerSnapshotTaken = EventType(272)
EventType.MediaPlayerStopped = EventType(262)
EventType.MediaPlayerTimeChanged = EventType(267)
EventType.MediaPlayerTitleChanged = EventType(271)
EventType.MediaPlayerUncorked = EventType(280)
EventType.MediaPlayerUnmuted = EventType(282)
EventType.MediaPlayerVout = EventType(274)
EventType.MediaStateChanged = EventType(5)
EventType.MediaSubItemAdded = EventType(1)
EventType.MediaSubItemTreeAdded = EventType(6)
EventType.RendererDiscovererItemAdded = EventType(1282)
EventType.RendererDiscovererItemDeleted = EventType(1283)
EventType.VlmMediaAdded = EventType(0x600)
EventType.VlmMediaChanged = EventType(1538)
EventType.VlmMediaInstanceStarted = EventType(1539)
EventType.VlmMediaInstanceStatusEnd = EventType(1545)
EventType.VlmMediaInstanceStatusError = EventType(1546)
EventType.VlmMediaInstanceStatusInit = EventType(1541)
EventType.VlmMediaInstanceStatusOpening = EventType(1542)
EventType.VlmMediaInstanceStatusPause = EventType(1544)
EventType.VlmMediaInstanceStatusPlaying = EventType(1543)
EventType.VlmMediaInstanceStopped = EventType(1540)
EventType.VlmMediaRemoved = EventType(1537)
class Meta(_Enum):
'''Meta data types.
'''
_enum_names_ = {
0: 'Title',
1: 'Artist',
2: 'Genre',
3: 'Copyright',
4: 'Album',
5: 'TrackNumber',
6: 'Description',
7: 'Rating',
8: 'Date',
9: 'Setting',
10: 'URL',
11: 'Language',
12: 'NowPlaying',
13: 'Publisher',
14: 'EncodedBy',
15: 'ArtworkURL',
16: 'TrackID',
17: 'TrackTotal',
18: 'Director',
19: 'Season',
20: 'Episode',
21: 'ShowName',
22: 'Actors',
23: 'AlbumArtist',
24: 'DiscNumber',
25: 'DiscTotal',
}
Meta.Actors = Meta(22)
Meta.Album = Meta(4)
Meta.AlbumArtist = Meta(23)
Meta.Artist = Meta(1)
Meta.ArtworkURL = Meta(15)
Meta.Copyright = Meta(3)
Meta.Date = Meta(8)
Meta.Description = Meta(6)
Meta.Director = Meta(18)
Meta.DiscNumber = Meta(24)
Meta.DiscTotal = Meta(25)
Meta.EncodedBy = Meta(14)
Meta.Episode = Meta(20)
Meta.Genre = Meta(2)
Meta.Language = Meta(11)
Meta.NowPlaying = Meta(12)
Meta.Publisher = Meta(13)
Meta.Rating = Meta(7)
Meta.Season = Meta(19)
Meta.Setting = Meta(9)
Meta.ShowName = Meta(21)
Meta.Title = Meta(0)
Meta.TrackID = Meta(16)
Meta.TrackNumber = Meta(5)
Meta.TrackTotal = Meta(17)
Meta.URL = Meta(10)
class State(_Enum):
'''Note the order of libvlc_state_t enum must match exactly the order of
See mediacontrol_playerstatus, See input_state_e enums,
and videolan.libvlc.state (at bindings/cil/src/media.cs).
expected states by web plugins are:
idle/close=0, opening=1, playing=3, paused=4,
stopping=5, ended=6, error=7.
'''
_enum_names_ = {
0: 'NothingSpecial',
1: 'Opening',
2: 'Buffering',
3: 'Playing',
4: 'Paused',
5: 'Stopped',
6: 'Ended',
7: 'Error',
}
State.Buffering = State(2)
State.Ended = State(6)
State.Error = State(7)
State.NothingSpecial = State(0)
State.Opening = State(1)
State.Paused = State(4)
State.Playing = State(3)
State.Stopped = State(5)
class TrackType(_Enum):
'''N/A
'''
_enum_names_ = {
-1: 'unknown',
0: 'audio',
1: 'video',
2: 'text',
}
TrackType.audio = TrackType(0)
TrackType.text = TrackType(2)
TrackType.unknown = TrackType(-1)
TrackType.video = TrackType(1)
class VideoOrient(_Enum):
'''N/A
'''
_enum_names_ = {
0: 'left',
1: 'right',
2: 'left',
3: 'right',
4: 'top',
5: 'bottom',
6: 'top',
7: 'bottom',
}
VideoOrient.bottom = VideoOrient(5)
VideoOrient.bottom = VideoOrient(7)
VideoOrient.left = VideoOrient(0)
VideoOrient.left = VideoOrient(2)
VideoOrient.right = VideoOrient(1)
VideoOrient.right = VideoOrient(3)
VideoOrient.top = VideoOrient(4)
VideoOrient.top = VideoOrient(6)
class VideoProjection(_Enum):
'''N/A
'''
_enum_names_ = {
0: 'rectangular',
1: 'equirectangular',
0x100: 'standard',
}
VideoProjection.equirectangular = VideoProjection(1)
VideoProjection.rectangular = VideoProjection(0)
VideoProjection.standard = VideoProjection(0x100)
class MediaType(_Enum):
'''Media type
See libvlc_media_get_type.
'''
_enum_names_ = {
0: 'unknown',
1: 'file',
2: 'directory',
3: 'disc',
4: 'stream',
5: 'playlist',
}
MediaType.directory = MediaType(2)
MediaType.disc = MediaType(3)
MediaType.file = MediaType(1)
MediaType.playlist = MediaType(5)
MediaType.stream = MediaType(4)
MediaType.unknown = MediaType(0)
class MediaParseFlag(_Enum):
'''Parse flags used by libvlc_media_parse_with_options()
See libvlc_media_parse_with_options.
'''
_enum_names_ = {
0x0: 'local',
0x1: 'network',
0x2: 'local',
0x4: 'network',
0x8: 'interact',
}
MediaParseFlag.interact = MediaParseFlag(0x8)
MediaParseFlag.local = MediaParseFlag(0x0)
MediaParseFlag.local = MediaParseFlag(0x2)
MediaParseFlag.network = MediaParseFlag(0x1)
MediaParseFlag.network = MediaParseFlag(0x4)
class MediaParsedStatus(_Enum):
'''Parse status used sent by libvlc_media_parse_with_options() or returned by
libvlc_media_get_parsed_status()
See libvlc_media_parse_with_options
See libvlc_media_get_parsed_status.
'''
_enum_names_ = {
1: 'skipped',
2: 'failed',
3: 'timeout',
4: 'done',
}
MediaParsedStatus.done = MediaParsedStatus(4)
MediaParsedStatus.failed = MediaParsedStatus(2)
MediaParsedStatus.skipped = MediaParsedStatus(1)
MediaParsedStatus.timeout = MediaParsedStatus(3)
class MediaSlaveType(_Enum):
'''Type of a media slave: subtitle or audio.
'''
_enum_names_ = {
0: 'subtitle',
1: 'audio',
}
MediaSlaveType.audio = MediaSlaveType(1)
MediaSlaveType.subtitle = MediaSlaveType(0)
class VideoMarqueeOption(_Enum):
'''Marq options definition.
'''
_enum_names_ = {
0: 'Enable',
1: 'Text',
2: 'Color',
3: 'Opacity',
4: 'Position',
5: 'Refresh',
6: 'Size',
7: 'Timeout',
8: 'marquee_X',
9: 'marquee_Y',
}
VideoMarqueeOption.Color = VideoMarqueeOption(2)
VideoMarqueeOption.Enable = VideoMarqueeOption(0)
VideoMarqueeOption.Opacity = VideoMarqueeOption(3)
VideoMarqueeOption.Position = VideoMarqueeOption(4)
VideoMarqueeOption.Refresh = VideoMarqueeOption(5)
VideoMarqueeOption.Size = VideoMarqueeOption(6)
VideoMarqueeOption.Text = VideoMarqueeOption(1)
VideoMarqueeOption.Timeout = VideoMarqueeOption(7)
VideoMarqueeOption.marquee_X = VideoMarqueeOption(8)
VideoMarqueeOption.marquee_Y = VideoMarqueeOption(9)
class NavigateMode(_Enum):
'''Navigation mode.
'''
_enum_names_ = {
0: 'activate',
1: 'up',
2: 'down',
3: 'left',
4: 'right',
5: 'popup',
}
NavigateMode.activate = NavigateMode(0)
NavigateMode.down = NavigateMode(2)
NavigateMode.left = NavigateMode(3)
NavigateMode.popup = NavigateMode(5)
NavigateMode.right = NavigateMode(4)
NavigateMode.up = NavigateMode(1)
class Position(_Enum):
'''Enumeration of values used to set position (e.g. of video title).
'''
_enum_names_ = {
-1: 'disable',
0: 'center',
1: 'left',
2: 'right',
3: 'top',
4: 'left',
5: 'right',
6: 'bottom',
7: 'left',
8: 'right',
}
Position.bottom = Position(6)
Position.center = Position(0)
Position.disable = Position(-1)
Position.left = Position(1)
Position.left = Position(4)
Position.left = Position(7)
Position.right = Position(2)
Position.right = Position(5)
Position.right = Position(8)
Position.top = Position(3)
class VideoLogoOption(_Enum):
'''Option values for libvlc_video_{get,set}_logo_{int,string}.
'''
_enum_names_ = {
0: 'enable',
1: 'file',
2: 'logo_x',
3: 'logo_y',
4: 'delay',
5: 'repeat',
6: 'opacity',
7: 'position',
}
VideoLogoOption.delay = VideoLogoOption(4)
VideoLogoOption.enable = VideoLogoOption(0)
VideoLogoOption.file = VideoLogoOption(1)
VideoLogoOption.logo_x = VideoLogoOption(2)
VideoLogoOption.logo_y = VideoLogoOption(3)
VideoLogoOption.opacity = VideoLogoOption(6)
VideoLogoOption.position = VideoLogoOption(7)
VideoLogoOption.repeat = VideoLogoOption(5)
class VideoAdjustOption(_Enum):
'''Option values for libvlc_video_{get,set}_adjust_{int,float,bool}.
'''
_enum_names_ = {
0: 'Enable',
1: 'Contrast',
2: 'Brightness',
3: 'Hue',
4: 'Saturation',
5: 'Gamma',
}
VideoAdjustOption.Brightness = VideoAdjustOption(2)
VideoAdjustOption.Contrast = VideoAdjustOption(1)
VideoAdjustOption.Enable = VideoAdjustOption(0)
VideoAdjustOption.Gamma = VideoAdjustOption(5)
VideoAdjustOption.Hue = VideoAdjustOption(3)
VideoAdjustOption.Saturation = VideoAdjustOption(4)
class AudioOutputDeviceTypes(_Enum):
'''Audio device types.
'''
_enum_names_ = {
-1: 'Error',
1: 'Mono',
2: 'Stereo',
4: '_2F2R',
5: '_3F2R',
6: '_5_1',
7: '_6_1',
8: '_7_1',
10: 'SPDIF',
}
AudioOutputDeviceTypes.Error = AudioOutputDeviceTypes(-1)
AudioOutputDeviceTypes.Mono = AudioOutputDeviceTypes(1)
AudioOutputDeviceTypes.SPDIF = AudioOutputDeviceTypes(10)
AudioOutputDeviceTypes.Stereo = AudioOutputDeviceTypes(2)
AudioOutputDeviceTypes._2F2R = AudioOutputDeviceTypes(4)
AudioOutputDeviceTypes._3F2R = AudioOutputDeviceTypes(5)
AudioOutputDeviceTypes._5_1 = AudioOutputDeviceTypes(6)
AudioOutputDeviceTypes._6_1 = AudioOutputDeviceTypes(7)
AudioOutputDeviceTypes._7_1 = AudioOutputDeviceTypes(8)
class AudioOutputChannel(_Enum):
'''Audio channels.
'''
_enum_names_ = {
-1: 'Error',
1: 'Stereo',
2: 'RStereo',
3: 'Left',
4: 'Right',
5: 'Dolbys',
}
AudioOutputChannel.Dolbys = AudioOutputChannel(5)
AudioOutputChannel.Error = AudioOutputChannel(-1)
AudioOutputChannel.Left = AudioOutputChannel(3)
AudioOutputChannel.RStereo = AudioOutputChannel(2)
AudioOutputChannel.Right = AudioOutputChannel(4)
AudioOutputChannel.Stereo = AudioOutputChannel(1)
class MediaPlayerRole(_Enum):
'''Media player roles.
\version libvlc 3.0.0 and later.
see \ref libvlc_media_player_set_role().
'''
_enum_names_ = {
0: '_None',
1: 'Music',
2: 'Video',
3: 'Communication',
4: 'Game',
5: 'Notification',
6: 'Animation',
7: 'Production',
8: 'Accessibility',
9: 'Test',
}
MediaPlayerRole.Accessibility = MediaPlayerRole(8)
MediaPlayerRole.Animation = MediaPlayerRole(6)
MediaPlayerRole.Communication = MediaPlayerRole(3)
MediaPlayerRole.Game = MediaPlayerRole(4)
MediaPlayerRole.Music = MediaPlayerRole(1)
MediaPlayerRole.Notification = MediaPlayerRole(5)
MediaPlayerRole.Production = MediaPlayerRole(7)
MediaPlayerRole.Test = MediaPlayerRole(9)
MediaPlayerRole.Video = MediaPlayerRole(2)
MediaPlayerRole._None = MediaPlayerRole(0)
class PlaybackMode(_Enum):
'''Defines playback modes for playlist.
'''
_enum_names_ = {
0: 'default',
1: 'loop',
2: 'repeat',
}
PlaybackMode.default = PlaybackMode(0)
PlaybackMode.loop = PlaybackMode(1)
PlaybackMode.repeat = PlaybackMode(2)
class Callback(ctypes.c_void_p):
"""Callback function notification.
@param p_event: the event triggering the callback.
"""
pass
class LogCb(ctypes.c_void_p):
"""Callback prototype for LibVLC log message handler.
@param data: data pointer as given to L{libvlc_log_set}().
@param level: message level (@ref libvlc_log_level).
@param ctx: message context (meta-information about the message).
@param fmt: printf() format string (as defined by ISO C11).
@param args: variable argument list for the format @note Log message handlers B{must} be thread-safe. @warning The message context pointer, the format string parameters and the variable arguments are only valid until the callback returns.
"""
pass
class MediaOpenCb(ctypes.c_void_p):
"""Callback prototype to open a custom bitstream input media.
The same media item can be opened multiple times. Each time, this callback
is invoked. It should allocate and initialize any instance-specific
resources, then store them in *datap. The instance resources can be freed
in the @ref libvlc_media_close_cb callback.
@param opaque: private pointer as passed to L{libvlc_media_new_callbacks}().
@return: datap storage space for a private data pointer, sizep byte length of the bitstream or UINT64_MAX if unknown.
"""
pass
class MediaReadCb(ctypes.c_void_p):
"""Callback prototype to read data from a custom bitstream input media.
@param opaque: private pointer as set by the @ref libvlc_media_open_cb callback.
@param buf: start address of the buffer to read data into.
@param len: bytes length of the buffer.
@return: strictly positive number of bytes read, 0 on end-of-stream, or -1 on non-recoverable error @note If no data is immediately available, then the callback should sleep. @warning The application is responsible for avoiding deadlock situations. In particular, the callback should return an error if playback is stopped; if it does not return, then L{libvlc_media_player_stop}() will never return.
"""
pass
class MediaSeekCb(ctypes.c_void_p):
"""Callback prototype to seek a custom bitstream input media.
@param opaque: private pointer as set by the @ref libvlc_media_open_cb callback.
@param offset: absolute byte offset to seek to.
@return: 0 on success, -1 on error.
"""
pass
class MediaCloseCb(ctypes.c_void_p):
"""Callback prototype to close a custom bitstream input media.