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- updated vlc.py

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bzr-revno: 1993
This commit is contained in:
Andreas Preikschat 2012-06-16 10:22:26 +02:00
commit de8e22f630
1 changed files with 545 additions and 112 deletions
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openlp/core/ui/media/vlc.py
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@ -48,7 +48,7 @@ import sys
from inspect import getargspec
__version__ = "N/A"
build_date = "Fri Jun 8 09:31:07 2012"
build_date = "Thu Jun 14 15:22:46 2012"
# Internal guard to prevent internal classes to be directly
# instanciated.
@ -235,6 +235,23 @@ def class_result(classname):
return classname(result)
return wrap_errcheck
# 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)
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):
@ -256,6 +273,21 @@ class _Enum(ctypes.c_uint):
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 EventType(_Enum):
'''Event types.
'''
@ -577,6 +609,247 @@ AudioOutputChannel.RStereo = AudioOutputChannel(2)
AudioOutputChannel.Right = AudioOutputChannel(4)
AudioOutputChannel.Stereo = AudioOutputChannel(1)
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_subscribe}()
\param level message level (@ref enum libvlc_log_level)
\param fmt printf() format string (as defined by ISO C11)
\param args variable argument list for the format
\note Log message handlers <b>must</b> be thread-safe.
"""
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 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 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.
\param opaque pointer to the private pointer passed to
libvlc_video_set_callbacks() [IN/OUT]
\param chroma pointer to the 4 bytes video format identifier [IN/OUT]
\param width pointer to the pixel width [IN/OUT]
\param height pointer to the pixel height [IN/OUT]
\param pitches table of scanline pitches in bytes for each pixel plane
(the table is allocated by LibVLC) [OUT]
\param lines table of scanlines count for each plane [OUT]
\return the number of picture buffers allocated, 0 indicates failure
\note
For each pixels plane, the scanline pitch must be bigger than or equal to
the number of bytes per pixel multiplied by the pixel width.
Similarly, the number of scanlines must be bigger than of equal to
the pixel height.
Furthermore, we recommend that pitches and lines be multiple of 32
to not break assumption that might be made by various optimizations
in the video decoders, video filters and/or video converters.
"""
pass
class VideoCleanupCb(ctypes.c_void_p):
"""Callback prototype to configure picture buffers format.
\param opaque private pointer as passed to libvlc_video_set_callbacks()
(and possibly modified by @ref libvlc_video_format_cb) [IN]
"""
pass
class AudioPlayCb(ctypes.c_void_p):
"""Callback prototype for audio playback.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param samples pointer to the first audio sample to play back [IN]
\param count number of audio samples to play back
\param pts expected play time stamp (see libvlc_delay())
"""
pass
class AudioPauseCb(ctypes.c_void_p):
"""Callback prototype for audio pause.
\note The pause callback is never called if the audio is already paused.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param pts time stamp of the pause request (should be elapsed already)
"""
pass
class AudioResumeCb(ctypes.c_void_p):
"""Callback prototype for audio resumption (i.e. restart from pause).
\note The resume callback is never called if the audio is not paused.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param pts time stamp of the resumption request (should be elapsed already)
"""
pass
class AudioFlushCb(ctypes.c_void_p):
"""Callback prototype for audio buffer flush
(i.e. discard all pending buffers and stop playback as soon as possible).
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
"""
pass
class AudioDrainCb(ctypes.c_void_p):
"""Callback prototype for audio buffer drain
(i.e. wait for pending buffers to be played).
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
"""
pass
class AudioSetVolumeCb(ctypes.c_void_p):
"""Callback prototype for audio volume change.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param volume software volume (1. = nominal, 0. = mute)
\param mute muted flag
"""
pass
class AudioSetupCb(ctypes.c_void_p):
"""Callback prototype to setup the audio playback.
This is called when the media player needs to create a new audio output.
\param opaque pointer to the data pointer passed to
L{libvlc_audio_set_callbacks}() [IN/OUT]
\param format 4 bytes sample format [IN/OUT]
\param rate sample rate [IN/OUT]
\param channels channels count [IN/OUT]
\return 0 on success, anything else to skip audio playback
"""
pass
class AudioCleanupCb(ctypes.c_void_p):
"""Callback prototype for audio playback cleanup.
This is called when the media player no longer needs an audio output.
\param opaque data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
"""
pass
class CallbackDecorators(object):
"Class holding various method decorators for callback functions."
Callback = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p)
Callback.__doc__ = '''Callback function notification
\param p_event the event triggering the callback
'''
LogCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_int, ctypes.c_char_p, ctypes.c_void_p)
LogCb.__doc__ = '''Callback prototype for LibVLC log message handler.
\param data data pointer as given to L{libvlc_log_subscribe}()
\param level message level (@ref enum libvlc_log_level)
\param fmt printf() format string (as defined by ISO C11)
\param args variable argument list for the format
\note Log message handlers <b>must</b> be thread-safe.
'''
VideoUnlockCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ListPOINTER(ctypes.c_void_p))
VideoUnlockCb.__doc__ = '''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 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]
'''
VideoDisplayCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p)
VideoDisplayCb.__doc__ = '''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 libvlc_video_set_callbacks() [IN]
\param picture private pointer returned from the @ref libvlc_video_lock_cb
callback [IN]
'''
VideoFormatCb = ctypes.CFUNCTYPE(ctypes.POINTER(ctypes.c_uint), ListPOINTER(ctypes.c_void_p), ctypes.c_char_p, ctypes.POINTER(ctypes.c_uint), ctypes.POINTER(ctypes.c_uint), ctypes.POINTER(ctypes.c_uint), ctypes.POINTER(ctypes.c_uint))
VideoFormatCb.__doc__ = '''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.
\param opaque pointer to the private pointer passed to
libvlc_video_set_callbacks() [IN/OUT]
\param chroma pointer to the 4 bytes video format identifier [IN/OUT]
\param width pointer to the pixel width [IN/OUT]
\param height pointer to the pixel height [IN/OUT]
\param pitches table of scanline pitches in bytes for each pixel plane
(the table is allocated by LibVLC) [OUT]
\param lines table of scanlines count for each plane [OUT]
\return the number of picture buffers allocated, 0 indicates failure
\note
For each pixels plane, the scanline pitch must be bigger than or equal to
the number of bytes per pixel multiplied by the pixel width.
Similarly, the number of scanlines must be bigger than of equal to
the pixel height.
Furthermore, we recommend that pitches and lines be multiple of 32
to not break assumption that might be made by various optimizations
in the video decoders, video filters and/or video converters.
'''
VideoCleanupCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p)
VideoCleanupCb.__doc__ = '''Callback prototype to configure picture buffers format.
\param opaque private pointer as passed to libvlc_video_set_callbacks()
(and possibly modified by @ref libvlc_video_format_cb) [IN]
'''
AudioPlayCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_uint, ctypes.c_int64)
AudioPlayCb.__doc__ = '''Callback prototype for audio playback.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param samples pointer to the first audio sample to play back [IN]
\param count number of audio samples to play back
\param pts expected play time stamp (see libvlc_delay())
'''
AudioPauseCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_int64)
AudioPauseCb.__doc__ = '''Callback prototype for audio pause.
\note The pause callback is never called if the audio is already paused.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param pts time stamp of the pause request (should be elapsed already)
'''
AudioResumeCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_int64)
AudioResumeCb.__doc__ = '''Callback prototype for audio resumption (i.e. restart from pause).
\note The resume callback is never called if the audio is not paused.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param pts time stamp of the resumption request (should be elapsed already)
'''
AudioFlushCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_int64)
AudioFlushCb.__doc__ = '''Callback prototype for audio buffer flush
(i.e. discard all pending buffers and stop playback as soon as possible).
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
'''
AudioDrainCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p)
AudioDrainCb.__doc__ = '''Callback prototype for audio buffer drain
(i.e. wait for pending buffers to be played).
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
'''
AudioSetVolumeCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_float, ctypes.c_bool)
AudioSetVolumeCb.__doc__ = '''Callback prototype for audio volume change.
\param data data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
\param volume software volume (1. = nominal, 0. = mute)
\param mute muted flag
'''
AudioSetupCb = ctypes.CFUNCTYPE(ctypes.POINTER(ctypes.c_int), ListPOINTER(ctypes.c_void_p), ctypes.c_char_p, ctypes.POINTER(ctypes.c_uint), ctypes.POINTER(ctypes.c_uint))
AudioSetupCb.__doc__ = '''Callback prototype to setup the audio playback.
This is called when the media player needs to create a new audio output.
\param opaque pointer to the data pointer passed to
L{libvlc_audio_set_callbacks}() [IN/OUT]
\param format 4 bytes sample format [IN/OUT]
\param rate sample rate [IN/OUT]
\param channels channels count [IN/OUT]
\return 0 on success, anything else to skip audio playback
'''
AudioCleanupCb = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p)
AudioCleanupCb.__doc__ = '''Callback prototype for audio playback cleanup.
This is called when the media player no longer needs an audio output.
\param opaque data pointer as passed to L{libvlc_audio_set_callbacks}() [IN]
'''
cb = CallbackDecorators
# End of generated enum types #
# From libvlc_structures.h
@ -995,12 +1268,6 @@ class Instance(_Ctype):
'''
return libvlc_add_intf(self, name)
def wait(self):
'''Waits until an interface causes the instance to exit.
You should start at least one interface first, using L{add_intf}().
'''
return libvlc_wait(self)
def set_user_agent(self, name, http):
'''Sets the application name. LibVLC passes this as the user agent string
when a protocol requires it.
@ -1031,13 +1298,6 @@ class Instance(_Ctype):
'''
return libvlc_log_open(self)
def media_discoverer_new_from_name(self, psz_name):
'''Discover media service by name.
@param psz_name: service name.
@return: media discover object or NULL in case of error.
'''
return libvlc_media_discoverer_new_from_name(self, psz_name)
def media_new_location(self, psz_mrl):
'''Create a media with a certain given media resource location,
for instance a valid URL.
@ -1087,6 +1347,13 @@ class Instance(_Ctype):
'''
return libvlc_media_new_as_node(self, psz_name)
def media_discoverer_new_from_name(self, psz_name):
'''Discover media service by name.
@param psz_name: service name.
@return: media discover object or NULL in case of error.
'''
return libvlc_media_discoverer_new_from_name(self, psz_name)
def media_library_new(self):
'''Create an new Media Library object.
@return: a new object or NULL on error.
@ -1455,7 +1722,11 @@ class Media(_Ctype):
This option will be used to determine how the media_player will
read the media. This allows to use VLC's advanced
reading/streaming options on a per-media basis.
The options are detailed in vlc --long-help, for instance "--sout-all".
The options are detailed in vlc --long-help, for instance
"--sout-all". Note that all options are not usable on medias:
specifically, due to architectural issues, video-related options
such as text renderer options cannot be set on a single media. They
must be set on the whole libvlc instance instead.
@param ppsz_options: the options (as a string).
'''
return libvlc_media_add_option(self, ppsz_options)
@ -1465,7 +1736,11 @@ class Media(_Ctype):
This option will be used to determine how the media_player will
read the media. This allows to use VLC's advanced
reading/streaming options on a per-media basis.
The options are detailed in vlc --long-help, for instance "--sout-all".
The options are detailed in vlc --long-help, for instance
"--sout-all". Note that all options are not usable on medias:
specifically, due to architectural issues, video-related options
such as text renderer options cannot be set on a single media. They
must be set on the whole libvlc instance instead.
@param ppsz_options: the options (as a string).
@param i_flags: the flags for this option.
'''
@ -1522,7 +1797,7 @@ class Media(_Ctype):
def save_meta(self):
'''Save the meta previously set.
@return: true if the write operation was successfull.
@return: true if the write operation was successful.
'''
return libvlc_media_save_meta(self)
@ -1608,7 +1883,7 @@ class Media(_Ctype):
Note, you need to call L{parse}() or play the media at least once
before calling this function.
Not doing this will result in an empty array.
@param tracks: address to store an allocated array of Elementary Streams descriptions (must be freed by the caller).
@param tracks: address to store an allocated array of Elementary Streams descriptions (must be freed by the caller) [OUT].
@return: the number of Elementary Streams.
'''
return libvlc_media_get_tracks_info(self)
@ -1718,7 +1993,7 @@ class MediaList(_Ctype):
"""Add media instance to media list.
The L{lock} should be held upon entering this function.
@param p_md: a media instance or a MRL.
@param mrl: a media instance or a MRL.
@return: 0 on success, -1 if the media list is read-only.
"""
if isinstance(mrl, basestring):
@ -2149,16 +2424,25 @@ class MediaPlayer(_Ctype):
def video_set_format(self, chroma, width, height, pitch):
'''Set decoded video chroma and dimensions.
This only works in combination with libvlc_video_set_callbacks(),
and is mutually exclusive with libvlc_video_set_format_callbacks().
and is mutually exclusive with L{video_set_format_callbacks}().
@param chroma: a four-characters string identifying the chroma (e.g. "RV32" or "YUYV").
@param width: pixel width.
@param height: pixel height.
@param pitch: line pitch (in bytes).
@version: LibVLC 1.1.1 or later.
@bug: All pixel planes are expected to have the same pitch. To use the YCbCr color space with chrominance subsampling, consider using libvlc_video_set_format_callbacks() instead.
@bug: All pixel planes are expected to have the same pitch. To use the YCbCr color space with chrominance subsampling, consider using L{video_set_format_callbacks}() instead.
'''
return libvlc_video_set_format(self, chroma, width, height, pitch)
def video_set_format_callbacks(self, setup, cleanup):
'''Set decoded video chroma and dimensions. This only works in combination with
libvlc_video_set_callbacks().
@param setup: callback to select the video format (cannot be NULL).
@param cleanup: callback to release any allocated resources (or NULL).
@version: LibVLC 2.0.0 or later.
'''
return libvlc_video_set_format_callbacks(self, setup, cleanup)
def set_nsobject(self, drawable):
'''Set the NSView handler where the media player should render its video output.
Use the vout called "macosx".
@ -2234,10 +2518,42 @@ class MediaPlayer(_Ctype):
'''
return libvlc_media_player_get_hwnd(self)
def audio_set_callbacks(self, play, pause, resume, flush, drain, opaque):
'''Set callbacks and private data for decoded audio.
Use L{audio_set_format}() or L{audio_set_format_callbacks}()
to configure the decoded audio format.
@param play: callback to play audio samples (must not be NULL).
@param pause: callback to pause playback (or NULL to ignore).
@param resume: callback to resume playback (or NULL to ignore).
@param flush: callback to flush audio buffers (or NULL to ignore).
@param drain: callback to drain audio buffers (or NULL to ignore).
@param opaque: private pointer for the audio callbacks (as first parameter).
@version: LibVLC 2.0.0 or later.
'''
return libvlc_audio_set_callbacks(self, play, pause, resume, flush, drain, opaque)
def audio_set_volume_callback(self, set_volume):
'''Set callbacks and private data for decoded audio.
Use L{audio_set_format}() or L{audio_set_format_callbacks}()
to configure the decoded audio format.
@param set_volume: callback to apply audio volume, or NULL to apply volume in software.
@version: LibVLC 2.0.0 or later.
'''
return libvlc_audio_set_volume_callback(self, set_volume)
def audio_set_format_callbacks(self, setup, cleanup):
'''Set decoded audio format. This only works in combination with
L{audio_set_callbacks}().
@param setup: callback to select the audio format (cannot be NULL).
@param cleanup: callback to release any allocated resources (or NULL).
@version: LibVLC 2.0.0 or later.
'''
return libvlc_audio_set_format_callbacks(self, setup, cleanup)
def audio_set_format(self, format, rate, channels):
'''Set decoded audio format.
This only works in combination with libvlc_audio_set_callbacks(),
and is mutually exclusive with libvlc_audio_set_format_callbacks().
This only works in combination with L{audio_set_callbacks}(),
and is mutually exclusive with L{audio_set_format_callbacks}().
@param format: a four-characters string identifying the sample format (e.g. "S16N" or "FL32").
@param rate: sample rate (expressed in Hz).
@param channels: channels count.
@ -2797,6 +3113,30 @@ def libvlc_clearerr():
None)
return f()
def libvlc_vprinterr(fmt, ap):
'''Sets the LibVLC error status and message for the current thread.
Any previous error is overridden.
@param fmt: the format string.
@param ap: the arguments.
@return: a nul terminated string in any case.
'''
f = _Cfunctions.get('libvlc_vprinterr', None) or \
_Cfunction('libvlc_vprinterr', ((1,), (1,),), None,
ctypes.c_char_p, ctypes.c_char_p, ctypes.c_void_p)
return f(fmt, ap)
def libvlc_printerr(fmt, args):
'''Sets the LibVLC error status and message for the current thread.
Any previous error is overridden.
@param fmt: the format string.
@param args: the arguments.
@return: a nul terminated string in any case.
'''
f = _Cfunctions.get('libvlc_printerr', None) or \
_Cfunction('libvlc_printerr', ((1,), (1,),), None,
ctypes.c_char_p, ctypes.c_char_p, ctypes.c_void_p)
return f(fmt, args)
def libvlc_new(argc, argv):
'''Create and initialize a libvlc instance.
This functions accept a list of "command line" arguments similar to the
@ -2842,16 +3182,6 @@ def libvlc_add_intf(p_instance, name):
ctypes.c_int, Instance, ctypes.c_char_p)
return f(p_instance, name)
def libvlc_wait(p_instance):
'''Waits until an interface causes the instance to exit.
You should start at least one interface first, using L{libvlc_add_intf}().
@param p_instance: the instance.
'''
f = _Cfunctions.get('libvlc_wait', None) or \
_Cfunction('libvlc_wait', ((1,),), None,
None, Instance)
return f(p_instance)
def libvlc_set_user_agent(p_instance, name, http):
'''Sets the application name. LibVLC passes this as the user agent string
when a protocol requires it.
@ -2916,7 +3246,7 @@ def libvlc_event_attach(p_event_manager, i_event_type, f_callback, user_data):
'''
f = _Cfunctions.get('libvlc_event_attach', None) or \
_Cfunction('libvlc_event_attach', ((1,), (1,), (1,), (1,),), None,
ctypes.c_int, EventManager, ctypes.c_uint, ctypes.c_void_p, ctypes.c_void_p)
ctypes.c_int, EventManager, ctypes.c_uint, Callback, ctypes.c_void_p)
return f(p_event_manager, i_event_type, f_callback, user_data)
def libvlc_event_detach(p_event_manager, i_event_type, f_callback, p_user_data):
@ -2928,7 +3258,7 @@ def libvlc_event_detach(p_event_manager, i_event_type, f_callback, p_user_data):
'''
f = _Cfunctions.get('libvlc_event_detach', None) or \
_Cfunction('libvlc_event_detach', ((1,), (1,), (1,), (1,),), None,
None, EventManager, ctypes.c_uint, ctypes.c_void_p, ctypes.c_void_p)
None, EventManager, ctypes.c_uint, Callback, ctypes.c_void_p)
return f(p_event_manager, i_event_type, f_callback, p_user_data)
def libvlc_event_type_name(event_type):
@ -2940,6 +3270,45 @@ def libvlc_event_type_name(event_type):
ctypes.c_char_p, ctypes.c_uint)
return f(event_type)
def libvlc_log_subscribe(sub, cb, data):
'''Registers a logging callback to LibVLC.
This function is thread-safe.
@param sub: uninitialized subscriber structure.
@param cb: callback function pointer.
@param data: opaque data pointer for the callback function @note Some log messages (especially debug) are emitted by LibVLC while initializing, before any LibVLC instance even exists. Thus this function does not require a LibVLC instance parameter. @warning As a consequence of not depending on a LibVLC instance, all logging callbacks are shared by all LibVLC instances within the process / address space. This also enables log messages to be emitted by LibVLC components that are not specific to any given LibVLC instance. @warning Do not call this function from within a logging callback. It would trigger a dead lock.
@version: LibVLC 2.1.0 or later.
'''
f = _Cfunctions.get('libvlc_log_subscribe', None) or \
_Cfunction('libvlc_log_subscribe', ((1,), (1,), (1,),), None,
None, ctypes.c_void_p, LogCb, ctypes.c_void_p)
return f(sub, cb, data)
def libvlc_log_subscribe_file(sub, stream):
'''Registers a logging callback to a file.
@param stream: FILE pointer opened for writing (the FILE pointer must remain valid until L{libvlc_log_unsubscribe}()).
@version: LibVLC 2.1.0 or later.
'''
f = _Cfunctions.get('libvlc_log_subscribe_file', None) or \
_Cfunction('libvlc_log_subscribe_file', ((1,), (1,),), None,
None, ctypes.c_void_p, FILE_ptr)
return f(sub, stream)
def libvlc_log_unsubscribe(sub):
'''Deregisters a logging callback from LibVLC.
This function is thread-safe.
@note: After (and only after) L{libvlc_log_unsubscribe}() has returned,
LibVLC warrants that there are no more pending calls of the subscription
callback function.
@warning: Do not call this function from within a logging callback.
It would trigger a dead lock.
@param sub: initialized subscriber structure.
@version: LibVLC 2.1.0 or later.
'''
f = _Cfunctions.get('libvlc_log_unsubscribe', None) or \
_Cfunction('libvlc_log_unsubscribe', ((1,),), None,
None, ctypes.c_void_p)
return f(sub)
def libvlc_get_log_verbosity(p_instance):
'''Always returns minus one.
This function is only provided for backward compatibility.
@ -3088,67 +3457,6 @@ def libvlc_clock():
ctypes.c_int64)
return f()
def libvlc_media_discoverer_new_from_name(p_inst, psz_name):
'''Discover media service by name.
@param p_inst: libvlc instance.
@param psz_name: service name.
@return: media discover object or NULL in case of error.
'''
f = _Cfunctions.get('libvlc_media_discoverer_new_from_name', None) or \
_Cfunction('libvlc_media_discoverer_new_from_name', ((1,), (1,),), class_result(MediaDiscoverer),
ctypes.c_void_p, Instance, ctypes.c_char_p)
return f(p_inst, psz_name)
def libvlc_media_discoverer_release(p_mdis):
'''Release media discover object. If the reference count reaches 0, then
the object will be released.
@param p_mdis: media service discover object.
'''
f = _Cfunctions.get('libvlc_media_discoverer_release', None) or \
_Cfunction('libvlc_media_discoverer_release', ((1,),), None,
None, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_localized_name(p_mdis):
'''Get media service discover object its localized name.
@param p_mdis: media discover object.
@return: localized name.
'''
f = _Cfunctions.get('libvlc_media_discoverer_localized_name', None) or \
_Cfunction('libvlc_media_discoverer_localized_name', ((1,),), string_result,
ctypes.c_void_p, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_media_list(p_mdis):
'''Get media service discover media list.
@param p_mdis: media service discover object.
@return: list of media items.
'''
f = _Cfunctions.get('libvlc_media_discoverer_media_list', None) or \
_Cfunction('libvlc_media_discoverer_media_list', ((1,),), class_result(MediaList),
ctypes.c_void_p, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_event_manager(p_mdis):
'''Get event manager from media service discover object.
@param p_mdis: media service discover object.
@return: event manager object.
'''
f = _Cfunctions.get('libvlc_media_discoverer_event_manager', None) or \
_Cfunction('libvlc_media_discoverer_event_manager', ((1,),), class_result(EventManager),
ctypes.c_void_p, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_is_running(p_mdis):
'''Query if media service discover object is running.
@param p_mdis: media service discover object.
@return: true if running, false if not \libvlc_return_bool.
'''
f = _Cfunctions.get('libvlc_media_discoverer_is_running', None) or \
_Cfunction('libvlc_media_discoverer_is_running', ((1,),), None,
ctypes.c_int, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_new_location(p_instance, psz_mrl):
'''Create a media with a certain given media resource location,
for instance a valid URL.
@ -3219,7 +3527,11 @@ def libvlc_media_add_option(p_md, ppsz_options):
This option will be used to determine how the media_player will
read the media. This allows to use VLC's advanced
reading/streaming options on a per-media basis.
The options are detailed in vlc --long-help, for instance "--sout-all".
The options are detailed in vlc --long-help, for instance
"--sout-all". Note that all options are not usable on medias:
specifically, due to architectural issues, video-related options
such as text renderer options cannot be set on a single media. They
must be set on the whole libvlc instance instead.
@param p_md: the media descriptor.
@param ppsz_options: the options (as a string).
'''
@ -3233,7 +3545,11 @@ def libvlc_media_add_option_flag(p_md, ppsz_options, i_flags):
This option will be used to determine how the media_player will
read the media. This allows to use VLC's advanced
reading/streaming options on a per-media basis.
The options are detailed in vlc --long-help, for instance "--sout-all".
The options are detailed in vlc --long-help, for instance
"--sout-all". Note that all options are not usable on medias:
specifically, due to architectural issues, video-related options
such as text renderer options cannot be set on a single media. They
must be set on the whole libvlc instance instead.
@param p_md: the media descriptor.
@param ppsz_options: the options (as a string).
@param i_flags: the flags for this option.
@ -3319,7 +3635,7 @@ def libvlc_media_set_meta(p_md, e_meta, psz_value):
def libvlc_media_save_meta(p_md):
'''Save the meta previously set.
@param p_md: the media desriptor.
@return: true if the write operation was successfull.
@return: true if the write operation was successful.
'''
f = _Cfunctions.get('libvlc_media_save_meta', None) or \
_Cfunction('libvlc_media_save_meta', ((1,),), None,
@ -3445,7 +3761,7 @@ def libvlc_media_get_tracks_info(p_md):
before calling this function.
Not doing this will result in an empty array.
@param p_md: media descriptor object.
@param tracks: address to store an allocated array of Elementary Streams descriptions (must be freed by the caller).
@param tracks: address to store an allocated array of Elementary Streams descriptions (must be freed by the caller) [OUT].
@return: the number of Elementary Streams.
'''
f = _Cfunctions.get('libvlc_media_get_tracks_info', None) or \
@ -3453,6 +3769,67 @@ def libvlc_media_get_tracks_info(p_md):
ctypes.c_int, Media, ctypes.POINTER(ctypes.c_void_p))
return f(p_md)
def libvlc_media_discoverer_new_from_name(p_inst, psz_name):
'''Discover media service by name.
@param p_inst: libvlc instance.
@param psz_name: service name.
@return: media discover object or NULL in case of error.
'''
f = _Cfunctions.get('libvlc_media_discoverer_new_from_name', None) or \
_Cfunction('libvlc_media_discoverer_new_from_name', ((1,), (1,),), class_result(MediaDiscoverer),
ctypes.c_void_p, Instance, ctypes.c_char_p)
return f(p_inst, psz_name)
def libvlc_media_discoverer_release(p_mdis):
'''Release media discover object. If the reference count reaches 0, then
the object will be released.
@param p_mdis: media service discover object.
'''
f = _Cfunctions.get('libvlc_media_discoverer_release', None) or \
_Cfunction('libvlc_media_discoverer_release', ((1,),), None,
None, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_localized_name(p_mdis):
'''Get media service discover object its localized name.
@param p_mdis: media discover object.
@return: localized name.
'''
f = _Cfunctions.get('libvlc_media_discoverer_localized_name', None) or \
_Cfunction('libvlc_media_discoverer_localized_name', ((1,),), string_result,
ctypes.c_void_p, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_media_list(p_mdis):
'''Get media service discover media list.
@param p_mdis: media service discover object.
@return: list of media items.
'''
f = _Cfunctions.get('libvlc_media_discoverer_media_list', None) or \
_Cfunction('libvlc_media_discoverer_media_list', ((1,),), class_result(MediaList),
ctypes.c_void_p, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_event_manager(p_mdis):
'''Get event manager from media service discover object.
@param p_mdis: media service discover object.
@return: event manager object.
'''
f = _Cfunctions.get('libvlc_media_discoverer_event_manager', None) or \
_Cfunction('libvlc_media_discoverer_event_manager', ((1,),), class_result(EventManager),
ctypes.c_void_p, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_discoverer_is_running(p_mdis):
'''Query if media service discover object is running.
@param p_mdis: media service discover object.
@return: true if running, false if not \libvlc_return_bool.
'''
f = _Cfunctions.get('libvlc_media_discoverer_is_running', None) or \
_Cfunction('libvlc_media_discoverer_is_running', ((1,),), None,
ctypes.c_int, MediaDiscoverer)
return f(p_mdis)
def libvlc_media_library_new(p_instance):
'''Create an new Media Library object.
@param p_instance: the libvlc instance.
@ -3958,20 +4335,33 @@ def libvlc_media_player_stop(p_mi):
def libvlc_video_set_format(mp, chroma, width, height, pitch):
'''Set decoded video chroma and dimensions.
This only works in combination with libvlc_video_set_callbacks(),
and is mutually exclusive with libvlc_video_set_format_callbacks().
and is mutually exclusive with L{libvlc_video_set_format_callbacks}().
@param mp: the media player.
@param chroma: a four-characters string identifying the chroma (e.g. "RV32" or "YUYV").
@param width: pixel width.
@param height: pixel height.
@param pitch: line pitch (in bytes).
@version: LibVLC 1.1.1 or later.
@bug: All pixel planes are expected to have the same pitch. To use the YCbCr color space with chrominance subsampling, consider using libvlc_video_set_format_callbacks() instead.
@bug: All pixel planes are expected to have the same pitch. To use the YCbCr color space with chrominance subsampling, consider using L{libvlc_video_set_format_callbacks}() instead.
'''
f = _Cfunctions.get('libvlc_video_set_format', None) or \
_Cfunction('libvlc_video_set_format', ((1,), (1,), (1,), (1,), (1,),), None,
None, MediaPlayer, ctypes.c_char_p, ctypes.c_uint, ctypes.c_uint, ctypes.c_uint)
return f(mp, chroma, width, height, pitch)
def libvlc_video_set_format_callbacks(mp, setup, cleanup):
'''Set decoded video chroma and dimensions. This only works in combination with
libvlc_video_set_callbacks().
@param mp: the media player.
@param setup: callback to select the video format (cannot be NULL).
@param cleanup: callback to release any allocated resources (or NULL).
@version: LibVLC 2.0.0 or later.
'''
f = _Cfunctions.get('libvlc_video_set_format_callbacks', None) or \
_Cfunction('libvlc_video_set_format_callbacks', ((1,), (1,), (1,),), None,
None, MediaPlayer, VideoFormatCb, VideoCleanupCb)
return f(mp, setup, cleanup)
def libvlc_media_player_set_nsobject(p_mi, drawable):
'''Set the NSView handler where the media player should render its video output.
Use the vout called "macosx".
@ -4087,10 +4477,54 @@ def libvlc_media_player_get_hwnd(p_mi):
ctypes.c_void_p, MediaPlayer)
return f(p_mi)
def libvlc_audio_set_callbacks(mp, play, pause, resume, flush, drain, opaque):
'''Set callbacks and private data for decoded audio.
Use L{libvlc_audio_set_format}() or L{libvlc_audio_set_format_callbacks}()
to configure the decoded audio format.
@param mp: the media player.
@param play: callback to play audio samples (must not be NULL).
@param pause: callback to pause playback (or NULL to ignore).
@param resume: callback to resume playback (or NULL to ignore).
@param flush: callback to flush audio buffers (or NULL to ignore).
@param drain: callback to drain audio buffers (or NULL to ignore).
@param opaque: private pointer for the audio callbacks (as first parameter).
@version: LibVLC 2.0.0 or later.
'''
f = _Cfunctions.get('libvlc_audio_set_callbacks', None) or \
_Cfunction('libvlc_audio_set_callbacks', ((1,), (1,), (1,), (1,), (1,), (1,), (1,),), None,
None, MediaPlayer, AudioPlayCb, AudioPauseCb, AudioResumeCb, AudioFlushCb, AudioDrainCb, ctypes.c_void_p)
return f(mp, play, pause, resume, flush, drain, opaque)
def libvlc_audio_set_volume_callback(mp, set_volume):
'''Set callbacks and private data for decoded audio.
Use L{libvlc_audio_set_format}() or L{libvlc_audio_set_format_callbacks}()
to configure the decoded audio format.
@param mp: the media player.
@param set_volume: callback to apply audio volume, or NULL to apply volume in software.
@version: LibVLC 2.0.0 or later.
'''
f = _Cfunctions.get('libvlc_audio_set_volume_callback', None) or \
_Cfunction('libvlc_audio_set_volume_callback', ((1,), (1,),), None,
None, MediaPlayer, AudioSetVolumeCb)
return f(mp, set_volume)
def libvlc_audio_set_format_callbacks(mp, setup, cleanup):
'''Set decoded audio format. This only works in combination with
L{libvlc_audio_set_callbacks}().
@param mp: the media player.
@param setup: callback to select the audio format (cannot be NULL).
@param cleanup: callback to release any allocated resources (or NULL).
@version: LibVLC 2.0.0 or later.
'''
f = _Cfunctions.get('libvlc_audio_set_format_callbacks', None) or \
_Cfunction('libvlc_audio_set_format_callbacks', ((1,), (1,), (1,),), None,
None, MediaPlayer, AudioSetupCb, AudioCleanupCb)
return f(mp, setup, cleanup)
def libvlc_audio_set_format(mp, format, rate, channels):
'''Set decoded audio format.
This only works in combination with libvlc_audio_set_callbacks(),
and is mutually exclusive with libvlc_audio_set_format_callbacks().
This only works in combination with L{libvlc_audio_set_callbacks}(),
and is mutually exclusive with L{libvlc_audio_set_format_callbacks}().
@param mp: the media player.
@param format: a four-characters string identifying the sample format (e.g. "S16N" or "FL32").
@param rate: sample rate (expressed in Hz).
@ -5394,17 +5828,11 @@ def libvlc_vlm_get_event_manager(p_instance):
return f(p_instance)
# 8 function(s) blacklisted:
# libvlc_audio_set_callbacks
# libvlc_audio_set_format_callbacks
# libvlc_audio_set_volume_callback
# libvlc_printerr
# 2 function(s) blacklisted:
# libvlc_set_exit_handler
# libvlc_video_set_callbacks
# libvlc_video_set_format_callbacks
# libvlc_vprinterr
# 13 function(s) not wrapped as methods:
# 18 function(s) not wrapped as methods:
# libvlc_audio_output_list_release
# libvlc_clearerr
# libvlc_clock
@ -5414,10 +5842,15 @@ def libvlc_vlm_get_event_manager(p_instance):
# libvlc_get_changeset
# libvlc_get_compiler
# libvlc_get_version
# libvlc_log_subscribe
# libvlc_log_subscribe_file
# libvlc_log_unsubscribe
# libvlc_module_description_list_release
# libvlc_new
# libvlc_printerr
# libvlc_track_description_list_release
# libvlc_track_description_release
# libvlc_vprinterr
# Start of footer.py #