diff options
Diffstat (limited to 'mpv.py')
| -rw-r--r-- | mpv.py | 93 |
1 files changed, 62 insertions, 31 deletions
@@ -6,7 +6,9 @@ import os import sys from warnings import warn from functools import partial +import collections import re +import traceback # vim: ts=4 sw=4 et @@ -31,6 +33,9 @@ class MpvOpenGLCbContext(c_void_p): pass +class PropertyUnavailableError(AttributeError): + pass + class ErrorCode(object): """ For documentation on these, see mpv's libmpv/client.h """ SUCCESS = 0 @@ -60,7 +65,7 @@ class ErrorCode(object): # Currently (mpv 0.18.1) there is a bug causing a PROPERTY_FORMAT error to be returned instead of # INVALID_PARAMETER when setting a property-mapped option to an invalid value. -9: lambda *a: TypeError('Tried to get/set mpv property using wrong format, or passed invalid value', *a), - -10: lambda *a: AttributeError('mpv property is not available', *a), + -10: lambda *a: PropertyUnavailableError('mpv property is not available', *a), -11: lambda *a: RuntimeError('Generic error getting or setting mpv property', *a), -12: lambda *a: SystemError('Error running mpv command', *a) } @@ -88,6 +93,9 @@ class MpvFormat(c_int): NODE_MAP = 8 BYTE_ARRAY = 9 + def __eq__(self, other): + return self is other or self.value == other or self.value == int(other) + def __repr__(self): return ['NONE', 'STRING', 'OSD_STRING', 'FLAG', 'INT64', 'DOUBLE', 'NODE', 'NODE_ARRAY', 'NODE_MAP', 'BYTE_ARRAY'][self.value] @@ -125,6 +133,12 @@ class MpvEventID(c_int): CLIENT_MESSAGE, VIDEO_RECONFIG, AUDIO_RECONFIG, METADATA_UPDATE, SEEK, PLAYBACK_RESTART, PROPERTY_CHANGE, CHAPTER_CHANGE ) + def __repr__(self): + return ['NONE', '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'][self.value] + class MpvNodeList(Structure): def array_value(self, decode_str=False): @@ -349,14 +363,22 @@ def _event_loop(event_handle, playback_cond, event_callbacks, message_handlers, with playback_cond: playback_cond.notify_all() if eid == MpvEventID.PROPERTY_CHANGE: - pc, handlerid = devent['event'], devent['reply_userdata']&0Xffffffffffffffff - if handlerid in property_handlers: - name = pc['name'] - if 'value' in pc: - proptype, _access = ALL_PROPERTIES[name] - property_handlers[handlerid](name, proptype(_ensure_encoding(pc['value']))) + pc = devent['event'] + name = pc['name'] + + if 'value' in pc: + proptype, _access = ALL_PROPERTIES[name] + if proptype is bytes: + args = (pc['value'],) else: - property_handlers[handlerid](name, pc['data'], pc['format']) + args = (proptype(_ensure_encoding(pc['value'])),) + elif pc['format'] == MpvFormat.NONE: + args = (None,) + else: + args = (pc['data'], pc['format']) + + for handler in property_handlers[name]: + handler(*args) if eid == MpvEventID.LOG_MESSAGE and log_handler is not None: ev = devent['event'] log_handler(ev['level'], ev['prefix'], ev['text']) @@ -371,10 +393,7 @@ def _event_loop(event_handle, playback_cond, event_callbacks, message_handlers, _mpv_detach_destroy(event_handle) return except Exception as e: - #import traceback - #traceback.print_exc() - pass # It seems that when this thread runs into an exception, the MPV core is not able to terminate properly - # anymore. FIXME + traceback.print_exc() class MPV(object): """ See man mpv(1) for the details of the implemented commands. """ @@ -395,7 +414,7 @@ class MPV(object): _mpv_initialize(self.handle) self._event_callbacks = [] - self._property_handlers = {} + self._property_handlers = collections.defaultdict(lambda: []) self._message_handlers = {} self._key_binding_handlers = {} self._playback_cond = threading.Condition() @@ -414,6 +433,16 @@ class MPV(object): with self._playback_cond: self._playback_cond.wait() + def wait_for_property(self, name, cond=lambda val: val, level_sensitive=True): + sema = threading.Semaphore(value=0) + def observer(val): + if cond(val): + sema.release() + self.observe_property(name, observer) + if not level_sensitive or not cond(getattr(self, name.replace('-', '_'))): + sema.acquire() + self.unobserve_property(name, observer) + def __del__(self): if self.handle: self.terminate() @@ -533,15 +562,14 @@ class MPV(object): self.command('script_message_to', target, *args) def observe_property(self, name, handler): - hashval = c_ulonglong(hash(handler)) - self._property_handlers[hashval.value] = handler - _mpv_observe_property(self._event_handle, hashval, name.encode('utf-8'), MpvFormat.STRING) + self._property_handlers[name].append(handler) + _mpv_observe_property(self._event_handle, hash(name)&0xffffffffffffffff, name.encode('utf-8'), MpvFormat.STRING) - def unobserve_property(self, handler): - handlerid = hash(handler) - _mpv_unobserve_property(self._event_handle, handlerid) - if handlerid in self._property_handlers: - del self._property_handlers[handlerid] + def unobserve_property(self, name, handler): + handlers = self._property_handlers[name] + handlers.remove(handler) + if not handlers: + _mpv_unobserve_property(self._event_handle, hash(name)&0xffffffffffffffff) def register_message_handler(self, target, handler): self._message_handlers[target] = handler @@ -565,7 +593,7 @@ class MPV(object): the first parameter, but YOU SHOULD NOT RELY ON THIS IN FOR SECURITY. If your input comes from config files, this is completely fine--but, if you are about to pass untrusted input into this parameter, better double-check whether this is secure in your case. """ - if not re.match(r'(Shift+)?(Ctrl+)?(Alt+)?(Meta+)?\w+', keydef): + if not re.match(r'(Shift+)?(Ctrl+)?(Alt+)?(Meta+)?(.|\w+)', keydef): raise ValueError('Invalid keydef. Expected format: [Shift+][Ctrl+][Alt+][Meta+]<key>\n' '<key> is either the literal character the key produces (ASCII or Unicode character), or a ' 'symbolic name (as printed by --input-keylist') @@ -609,18 +637,21 @@ class MPV(object): out = cast(create_string_buffer(sizeof(c_void_p)), c_void_p) outptr = byref(out) - cval = _mpv_get_property(self.handle, name.encode('utf-8'), fmt, outptr) - rv = MpvNode.node_cast_value(outptr, fmt, decode_str or proptype in (str, commalist)) + try: + cval = _mpv_get_property(self.handle, name.encode('utf-8'), fmt, outptr) + rv = MpvNode.node_cast_value(outptr, fmt, decode_str or proptype in (str, commalist)) - if proptype is commalist: - rv = proptype(rv) + if proptype is commalist: + rv = proptype(rv) - if proptype is str: - _mpv_free(out) - elif proptype is MpvFormat.NODE: - _mpv_free_node_contents(outptr) + if proptype is str: + _mpv_free(out) + elif proptype is MpvFormat.NODE: + _mpv_free_node_contents(outptr) - return rv + return rv + except PropertyUnavailableError as ex: + return None def _set_property(self, name, value, proptype=str): ename = name.encode('utf-8') |