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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 = "Tue Sep 6 12:16:33 2016"
# 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)
# 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 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',
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.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 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 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 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 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 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.
@param opaque: private pointer as set by the @ref libvlc_media_open_cb callback.
"""
pass
class VideoLockCb(ctypes.c_void_p):
"""Callback prototype to allocate and lock a picture buffer.
Whenever a new video frame needs to be decoded, the lock callback is
invoked. Depending on the video chroma, one or three pixel planes of
adequate dimensions must be returned via the second parameter. Those
planes must be aligned on 32-bytes boundaries.
@param opaque: private pointer as passed to L{libvlc_video_set_callbacks}() [IN].
@param planes: start address of the pixel planes (LibVLC allocates the array of void pointers, this callback must initialize the array) [OUT].
@return: a private pointer for the display and unlock callbacks to identify the picture buffers.
"""
pass
class VideoUnlockCb(ctypes.c_void_p):
"""Callback prototype to unlock a picture buffer.
When the video frame decoding is complete, the unlock callback is invoked.
This callback might not be needed at all. It is only an indication that the
application can now read the pixel values if it needs to.
@warning: A picture buffer is unlocked after the picture is decoded,
but before the picture is displayed.
@param opaque: private pointer as passed to L{libvlc_video_set_callbacks}() [IN].
@param picture: private pointer returned from the @ref libvlc_video_lock_cb callback [IN].
@param planes: pixel planes as defined by the @ref libvlc_video_lock_cb callback (this parameter is only for convenience) [IN].
"""
pass
class VideoDisplayCb(ctypes.c_void_p):
"""Callback prototype to display a picture.
When the video frame needs to be shown, as determined by the media playback
clock, the display callback is invoked.
@param opaque: private pointer as passed to L{libvlc_video_set_callbacks}() [IN].
@param picture: private pointer returned from the @ref libvlc_video_lock_cb callback [IN].
"""
pass
class VideoFormatCb(ctypes.c_void_p):
"""Callback prototype to configure picture buffers format.
This callback gets the format of the video as output by the video decoder
and the chain of video filters (if any). It can opt to change any parameter
as it needs. In that case, LibVLC will attempt to convert the video format
(rescaling and chroma conversion) but these operations can be CPU intensive.