From 9b68b0866ec49228ccaf3b455990a66838084082 Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 10 Aug 2014 23:25:25 +0200 Subject: [PATCH] Initial commit --- .gitignore | 3 + LICENSE | 661 +++++++++++++++++++++++++++++++++++++++++++++++++++++ README.md | 4 + mpv.py | 594 +++++++++++++++++++++++++++++++++++++++++++++++ setup.py | 13 ++ 5 files changed, 1275 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 README.md create mode 100644 mpv.py create mode 100755 setup.py diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..f4f1640 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +dist +mpv.egg-info +__pycache__ diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..dba13ed --- /dev/null +++ b/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..2ac2e8f --- /dev/null +++ b/README.md @@ -0,0 +1,4 @@ +python-mpv +========== + +python-mpv is a ctypes-based python interface to the mpv media player. It gives you more or less full control of all features of the player, just as the lua interface does. diff --git a/mpv.py b/mpv.py new file mode 100644 index 0000000..98ca862 --- /dev/null +++ b/mpv.py @@ -0,0 +1,594 @@ + +from ctypes import * +import threading +import os +import asyncio + +# vim: ts=4 sw=4 + + +backend = CDLL('libmpv.so') + + +class MpvHandle(c_void_p): + pass + + +class ErrorCode: + """ For documentation on these, see mpv's libmpv/client.h """ + SUCCESS = 0 + EVENT_QUEUE_FULL = -1 + NOMEM = -2 + UNINITIALIZED = -3 + INVALID_PARAMETER = -4 + OPTION_NOT_FOUND = -5 + OPTION_FORMAT = -6 + OPTION_ERROR = -7 + PROPERTY_NOT_FOUND = -8 + PROPERTY_FORMAT = -9 + PROPERTY_UNAVAILABLE = -10 + PROPERTY_ERROR = -11 + COMMAND = -12 + + EXCEPTION_DICT = { + 0: None, + -1: lambda *a: MemoryError('mpv event queue full', *a), + -2: lambda *a: MemoryError('mpv cannot allocate memory', *a), + -3: lambda *a: ValueError('Uninitialized mpv handle used', *a), + -4: lambda *a: ValueError('Invalid value for mpv parameter', *a), + -5: lambda *a: AttributeError('mpv option does not exist', *a), + -6: lambda *a: TypeError('Tried to set mpv option using wrong format', *a), + -7: lambda *a: ValueError('Invalid value for mpv option', *a), + -8: lambda *a: AttributeError('mpv property does not exist', *a), + -9: lambda *a: TypeError('Tried to set mpv property using wrong format', *a), + -10: lambda *a: AttributeError('mpv property is not available', *a), + -11: lambda *a: ValueError('Invalid value for mpv property', *a), + -12: lambda *a: SystemError('Error running mpv command', *a) + } + + @classmethod + def raise_for_ec(kls, func, *args): + ec = kls.EXCEPTION_DICT[func(*args)] + if ec: + raise ec(*args) + + +class MpvFormat(c_int): + NONE = 0 + STRING = 1 + OSD_STRING = 2 + FLAG = 3 + INT64 = 4 + DOUBLE = 5 + NODE = 6 + NODE_ARRAY = 7 + NODE_MAP = 8 + + +class MpvEventID(c_int): + NONE = 0 + SHUTDOWN = 1 + LOG_MESSAGE = 2 + GET_PROPERTY_REPLY = 3 + SET_PROPERTY_REPLY = 4 + COMMAND_REPLY = 5 + START_FILE = 6 + END_FILE = 7 + FILE_LOADED = 8 + TRACKS_CHANGED = 9 + TRACK_SWITCHED = 10 + IDLE = 11 + PAUSE = 12 + UNPAUSE = 13 + TICK = 14 + SCRIPT_INPUT_DISPATCH = 15 + CLIENT_MESSAGE = 16 + VIDEO_RECONFIG = 17 + AUDIO_RECONFIG = 18 + METADATA_UPDATE = 19 + SEEK = 20 + PLAYBACK_RESTART = 21 + PROPERTY_CHANGE = 22 + CHAPTER_CHANGE = 23 + + ANY = ( SHUTDOWN, LOG_MESSAGE, GET_PROPERTY_REPLY, SET_PROPERTY_REPLY, COMMAND_REPLY, START_FILE, END_FILE, + FILE_LOADED, TRACKS_CHANGED, TRACK_SWITCHED, IDLE, PAUSE, UNPAUSE, TICK, SCRIPT_INPUT_DISPATCH, + CLIENT_MESSAGE, VIDEO_RECONFIG, AUDIO_RECONFIG, METADATA_UPDATE, SEEK, PLAYBACK_RESTART, PROPERTY_CHANGE, + CHAPTER_CHANGE ) + +class MpvEvent(Structure): + _fields_ = [('event_id', MpvEventID), + ('error', c_int), + ('reply_userdata', c_ulonglong), + ('data', c_void_p)] + + def as_dict(self): + dtype = {MpvEventID.END_FILE: MpvEventEndFile, + MpvEventID.PROPERTY_CHANGE: MpvEventProperty, + MpvEventID.GET_PROPERTY_REPLY: MpvEventProperty, + MpvEventID.LOG_MESSAGE: MpvEventLogMessage, + MpvEventID.SCRIPT_INPUT_DISPATCH: MpvEventScriptInputDispatch, + MpvEventID.CLIENT_MESSAGE: MpvEventClientMessage + }.get(self.event_id.value, None) + return {'event_id': self.event_id.value, + 'error': self.error, + 'reply_userdata': self.reply_userdata, + 'event': cast(self.data, POINTER(dtype)).contents.as_dict() if dtype else None} + +class MpvEventProperty(Structure): + _fields_ = [('name', c_char_p), + ('format', MpvFormat), + ('data', c_void_p)] + def as_dict(): + pass # FIXME + +class MpvEventLogMessage(Structure): + _fields_ = [('prefix', c_char_p), + ('level', c_char_p), + ('text', c_char_p)] + + def as_dict(self): + return { name: getattr(self, name).value for name, _t in _fields_ } + +class MpvEventEndFile(c_int): + EOF_OR_INIT_FAILURE = 0 + RESTARTED = 1 + ABORTED = 2 + QUIT = 3 + + def as_dict(self): + return {'reason': self.value} + +class MpvEventScriptInputDispatch(Structure): + _fields_ = [('arg0', c_int), + ('type', c_char_p)] + + def as_dict(self): + pass # TODO + +class MpvEventClientMessage(Structure): + _fields_ = [('num_args', c_int), + ('args', POINTER(c_char_p))] + + def as_dict(self): + return { 'args': [ self.args[i].value for i in range(self.num_args.value) ] } + +WakeupCallback = CFUNCTYPE(None, c_void_p) + + +def _handle_func(name, args=[], res=None): + func = getattr(backend, name) + if res is not None: + func.restype = res + func.argtypes = [MpvHandle] + args + def wrapper(*args): + if res is not None: + return func(*args) + else: + ErrorCode.raise_for_ec(func, *args) + globals()['_'+name] = wrapper + +backend.mpv_client_api_version.restype = c_ulong +def _mpv_client_api_version(): + ver = backend.mpv_client_api_version() + return ver>>16, ver&0xFFFF + +backend.mpv_free.argtypes = [c_void_p] +_mpv_free = backend.mpv_free + +backend.mpv_create.restype = MpvHandle +_mpv_create = backend.mpv_create + +_handle_func('mpv_client_name', [], c_char_p) +_handle_func('mpv_initialize') +_handle_func('mpv_detach_destroy', [], c_int) +_handle_func('mpv_terminate_destroy', [], c_int) +_handle_func('mpv_load_config_file', [c_char_p]) +_handle_func('mpv_suspend', [], c_int) +_handle_func('mpv_resume', [], c_int) +_handle_func('mpv_get_time_us', [], c_ulonglong) + +_handle_func('mpv_set_option', [c_char_p, MpvFormat, c_void_p]) +_handle_func('mpv_set_option_string', [c_char_p, c_char_p]) + +_handle_func('mpv_command', [POINTER(c_char_p)]) +_handle_func('mpv_command_string', [c_char_p, c_char_p]) +_handle_func('mpv_command_async', [c_ulonglong, POINTER(c_char_p)]) + +_handle_func('mpv_set_property', [c_char_p, MpvFormat, c_void_p]) +_handle_func('mpv_set_property_string', [c_char_p, c_char_p]) +_handle_func('mpv_set_property_async', [c_ulonglong, c_char_p, MpvFormat, c_void_p]) +_handle_func('mpv_get_property', [c_char_p, MpvFormat, c_void_p]) +_handle_func('mpv_get_property_string', [c_char_p], c_char_p) +_handle_func('mpv_get_property_osd_string', [c_char_p], c_char_p) +_handle_func('mpv_get_property_async', [c_ulonglong, c_char_p, MpvFormat]) +_handle_func('mpv_observe_property', [c_ulonglong, c_char_p, MpvFormat]) +_handle_func('mpv_unobserve_property', [c_ulonglong]) + +backend.mpv_event_name.restype = c_char_p +backend.mpv_event_name.argtypes = [c_int] +_mpv_event_name = backend.mpv_event_name + +_handle_func('mpv_request_event', [MpvEventID, c_int]) +_handle_func('mpv_request_log_messages', [c_char_p]) +_handle_func('mpv_wait_event', [c_double], POINTER(MpvEvent)) +_handle_func('mpv_wakeup', [], c_int) +_handle_func('mpv_set_wakeup_callback', [WakeupCallback, c_void_p], c_int) +_handle_func('mpv_get_wakeup_pipe', [], c_int) + + +class ynbool: + def __init__(self, val=False): + if not val or val == b'no' or val == 'no': + self.val = False + else: + self.val = True + + def __nonzero__(self): + return self.val + + def __str__(self): + return 'yes' if self.val else 'no' + + def __repr__(self): + return str(self.val) + +def _ensure_encoding(possibly_bytes): + return possibly_bytes.decode('utf8') if type(possibly_bytes) is bytes else possibly_bytes + + +def _event_generator(handle): + while True: + event = _mpv_wait_event(handle, 0).contents + if event.event_id.value == MpvEventID.NONE: + raise StopIteration() + yield event + +class MPV: + """ See man mpv(1) for the details of the implemented commands. """ + def __init__(self, loop=None, **kwargs): + self.handle = _mpv_create() + + self.event_callbacks = [] + self._event_fd = _mpv_get_wakeup_pipe(self.handle) + self._playback_cond = threading.Condition() + def mpv_event_extractor(): + os.read(self._event_fd, 512) + for event in _event_generator(self.handle): + devent = event.as_dict() # copy data from ctypes + if devent['event_id'] in (MpvEventID.SHUTDOWN, MpvEventID.END_FILE, MpvEventID.PAUSE): + with self._playback_cond: + self._playback_cond.notify_all() + for callback in self.event_callbacks: + callback.call() + if loop: + loop.add_reader(self._event_fd, mpv_event_extractor) + else: + def loop_runner(): + loop = asyncio.new_event_loop() + loop.add_reader(self._event_fd, mpv_event_extractor) + try: + loop.run_forever() + finally: + loop.close() + + self._event_thread = threading.Thread(target=loop_runner, daemon=True) + self._event_thread.start() + + _mpv_set_option_string(self.handle, b'audio-display', b'no') + istr = lambda o: ('yes' if o else 'no') if type(o) is bool else str(o) + for k,v in kwargs.items(): + _mpv_set_option_string(self.handle, k.replace('_', '-').encode('utf8'), istr(v).encode('utf8')) + _mpv_initialize(self.handle) + + def wait_for_playback(self): + with self._playback_cond: + self._playback_cond.wait() + +# def __del__(self): +# _mpv_terminate_destroy(self.handle) + + def command(self, name, *args): + args = [name.encode('utf8')] + [ str(arg).encode('utf8') for arg in args if arg is not None ] + [None] + _mpv_command(self.handle, (c_char_p*len(args))(*args)) + + def seek(self, amount, reference="relative", precision="default-precise"): + assert reference in ('relative', 'absolute', 'absolute-percent') + assert precision in ('default-precise', 'exact', 'keyframes') + self.command('seek', amount, reference, precision) + + def revert_seek(self): + self.command('revert_seek'); + + def frame_step(self): + self.command('frame_step') + + def frame_back_step(self): + self.command('frame_back_step') + + def _set_property(self, name, value): + self.command('set_property', name, str(value)) + + def _add_property(self, name, value=None): + self.command('add_property', name, value) + + def _cycle_property(self, name, direction='up'): + self.command('cycle_property', name, direction) + + def _multiply_property(self, name, factor): + self.command('multiply_property', name, factor) + + def screenshot(self, includes='subtitles', mode='single'): + assert includes in ('subtitles', 'video', 'window') + assert mode in ('single', 'each-frame') + self.command('screenshot', includes, mode) + + def screenshot_to_file(self, filename, includes='subtitles'): + assert includes in ('subtitles', 'video', 'window') + self.command('screenshot_to_file', filename, includes) + + def playlist_next(self, mode='weak'): + assert mode in ('weak', 'force') + self.command('playlist_next', mode) + + def playlist_prev(self, mode='weak'): + assert mode in ('weak', 'force') + self.command('playlist_prev', mode) + + def loadfile(self, filename, mode='replace'): + assert mode in ('replace', 'append', 'append-play') + self.command('loadfile', filename, mode) + + def loadlist(self, playlist, mode='replace'): + self.command('loadlist', playlist, mode) + + def playlist_clear(self): + self.command('playlist_clear') + + def playlist_remove(self, index='current'): + self.command('playlist_remove', index) + + def playlist_move(self, index1, index2): + self.command('playlist_move', index1, index2) + + def run(self, command, *args): + self.command('run', command, *args) + + def quit(self, code=None): + self.command('quit', code) + + def quit_watch_later(self, code=None): + self.command('quit_watch_later', code) + + def sub_add(self, filename): + self.command('sub_add', filename) + + def sub_remove(self, sub_id=None): + self.command('sub_remove', sub_id) + + def sub_reload(self, sub_id=None): + self.command('sub_reload', sub_id) + + def sub_step(self, skip): + self.command('sub_step', skip) + + def sub_seek(self, skip): + self.command('sub_seek', skip) + + def toggle_osd(self): + self.command('osd') + + def show_text(self, string, duration='-', level=None): + self.command('show_text', string, duration, level) + + def show_progress(self): + self.command('show_progress') + + def discnav(self, command): + assert command in ('up', 'up', 'down', 'down', 'left', 'right', 'left', 'right', 'menu', 'select', + 'prev', 'mouse', 'mouse_move') + self.command('discnav', command) + + def write_watch_later_config(self): + self.command('write_watch_later_config') + + def overlay_add(self, overlay_id, x, y, file_or_fd, offset, fmt, w, h, stride): + self.command('overlay_add', overlay_id, x, y, file_or_fd, offset, fmt, w, h, stride) + + def overlay_remove(self, overlay_id): + self.command('overlay_remove', overlay_id) + + def script_message(self, *args): + self.command('script_message', *args) + + def script_message_to(self, target, *args): + self.command('script_message_to', target, *args) + + @property + def metadata(self): + ... + def chapter_metadata(self): + ... + + def vf_metadata(self): + ... + + # Convenience functions + def play(self, filename): + self.command('loadfile', filename) + + # Complex properties + + _VIDEO_PARAMS_LIST = ( + ('pixelformat', str), + ('w', int), + ('h', int), + ('dw', int), + ('dh', int), + ('aspect', float), + ('par', float), + ('colormatrix', str), + ('colorlevels', str), + ('chroma-location', str), + ('rotate', int)) + + @property + def video_params(self): + return self._get_dict('video-params/', _VIDEO_PARAMS_LIST) + + @property + def video_out_params(self): + return self._get_dict('video-out-params/', _VIDEO_PARAMS_LIST) + + @property + def playlist(self): + return self._get_list('playlist/', (('filename', str),)) + @property + def track_list(self): + return self._get_list('track-list/', ( + ('id', int), + ('type', str), + ('src-id', int), + ('title', str), + ('lang', str), + ('albumart', ynbool), + ('default', ynbool), + ('external', ynbool), + ('external-filename', str), + ('codec', str), + ('selected', ynbool))) + @property + def chapter_list(self): + return self._get_dict('chapter-list/', (('title', str), ('time', float))) + + def _get_dict(self, prefix, props): + return { name: proptype(_ensure_encoding(_mpv_get_property_string(self.handle, (prefix+name).encode('utf8')))) for name, proptype in props } + + def _get_list(self, prefix, props): + count = int(_ensure_encoding(_mpv_get_property_string(self.handle, (prefix+'count').encode('utf8')))) + return [ self._get_dict(prefix+str(index)+'/', props) for index in range(count)] + + # TODO: af, vf properties + # TODO: edition-list + # TODO property-mapped options + + +def bindproperty(MPV, name, proptype, access): + def getter(self): + return proptype(_ensure_encoding(_mpv_get_property_string(self.handle, name.encode('utf8')))) + def setter(self, value): + _mpv_set_property_string(self.handle, name.encode('utf8'), str(proptype(value)).encode('utf8')) + def barf(*args): + raise NotImplementedError('Access denied') + setattr(MPV, name.replace('-', '_'), property(getter if 'r' in access else barf, setter if 'w' in access else barf)) + +for name, proptype, access in ( + ('osd-level', int, 'rw'), + ('osd-scale', float, 'rw'), + ('loop', str, 'rw'), + ('loop-file', str, 'rw'), + ('speed', float, 'rw'), + ('filename', str, 'r'), + ('file-size', int, 'r'), + ('path', str, 'r'), + ('media-title', str, 'r'), + ('stream-pos', int, 'rw'), + ('stream-end', int, 'r'), + ('length', float, 'r'), + ('avsync', float, 'r'), + ('total-avsync-change', float, 'r'), + ('drop-frame-count', int, 'r'), + ('percent-pos', int, 'rw'), + ('ratio-pos', float, 'rw'), + ('time-pos', float, 'rw'), + ('time-start', float, 'r'), + ('time-remaining', float, 'r'), + ('playtime-remaining', float, 'r'), + ('chapter', int, 'rw'), + ('edition', int, 'rw'), + ('disc-titles', int, 'r'), + ('disc-title', str, 'rw'), + ('disc-menu-active', ynbool, 'r'), + ('chapters', int, 'r'), + ('editions', int, 'r'), + ('angle', int, 'rw'), + ('pause', ynbool, 'rw'), + ('core-idle', ynbool, 'r'), + ('cache', int, 'r'), + ('cache-size' , int, 'rw'), + ('pause-for-cache', ynbool, 'r'), + ('eof-reached', ynbool, 'r'), + ('pts-association-mode', str, 'rw'), + ('hr-seek', ynbool, 'rw'), + ('volume', float, 'rw'), + ('mute', ynbool, 'rw'), + ('audio-delay', float, 'rw'), + ('audio-format', str, 'r'), + ('audio-codec', str, 'r'), + ('audio-bitrate', float, 'r'), + ('audio-samplerate', int, 'r'), + ('audio-channels', str, 'r'), + ('aid', int, 'rw'), + ('audio', int, 'rw'), + ('balance', int, 'rw'), + ('fullscreen', ynbool, 'rw'), + ('deinterlace', str, 'rw'), + ('colormatrix', str, 'rw'), + ('colormatrix-input-range', str, 'rw'), + ('colormatrix-output-range', str, 'rw'), + ('colormatrix-primaries', str, 'rw'), + ('ontop', ynbool, 'rw'), + ('border', ynbool, 'rw'), + ('framedrop', str, 'rw'), + ('gamma', float, 'rw'), + ('brightness', int, 'rw'), + ('contrast', int, 'rw'), + ('saturation', int, 'rw'), + ('hue', int, 'rw'), + ('hwdec', ynbool, 'rw'), + ('panscan', float, 'rw'), + ('video-format', str, 'r'), + ('video-codec', str, 'r'), + ('video-bitrate', float, 'r'), + ('width', int, 'r'), + ('height', int, 'r'), + ('dwidth', int, 'r'), + ('dheight', int, 'r'), + ('fps', float, 'r'), + ('estimated-vf-fps', float, 'r'), + ('window-scale', float, 'rw'), + ('video-aspect', str, 'rw'), + ('osd-width', int, 'r'), + ('osd-height', int, 'r'), + ('osd-par', float, 'r'), + ('vid', int, 'rw'), + ('video', int, 'rw'), + ('video-align-x', float, 'rw'), + ('video-align-y', float, 'rw'), + ('video-pan-x', int, 'rw'), + ('video-pan-y', int, 'rw'), + ('video-zoom', float, 'rw'), + ('video-unscaled', ynbool, 'w'), + ('program', int, 'w'), + ('sid', int, 'rw'), + ('secondary-sid', int, 'rw'), + ('sub', int, 'rw'), + ('sub-delay', float, 'rw'), + ('sub-pos', int, 'rw'), + ('sub-visibility', ynbool, 'rw'), + ('sub-forced-only', ynbool, 'rw'), + ('sub-scale', float, 'rw'), + ('ass-use-margins', ynbool, 'rw'), + ('ass-vsfilter-aspect-compat', ynbool, 'rw'), + ('ass-style-override', str, 'rw'), + ('stream-capture', str, 'rw'), + ('tv-brightness', int, 'rw'), + ('tv-contrast', int, 'rw'), + ('tv-saturation', int, 'rw'), + ('tv-hue', int, 'rw'), + ('playlist-pos', int, 'rw'), + ('playlist-count', int, 'r'), + ('quvi-format', str, 'rw'), + ('seekable', ynbool, 'r')): + bindproperty(MPV, name, proptype, access) + diff --git a/setup.py b/setup.py new file mode 100755 index 0000000..a527aa0 --- /dev/null +++ b/setup.py @@ -0,0 +1,13 @@ +#!/usr/bin/env python3 + +from setuptools import setup, find_packages +setup( + name = 'mpv', + version = '0.1', + py_modules = ['mpv'], + description = ('A python interface to the mpv media player'), + url = 'https://github.com/jaseg/python-mpv', + author = 'jaseg', + author_email = 'github@jaseg.net', + license = 'AGPLv2' +)