def ctx_notify_cb(self, ctx, user_data):
state = p.pa_context_get_state(ctx)
if state == p.PA_CONTEXT_UNCONNECTED:
self.log.debug(self.log_tag + 'pulseaudio context is unconnected')
elif state == p.PA_CONTEXT_CONNECTING:
self.log.debug(self.log_tag + 'pulseaudio context is connecting')
elif state == p.PA_CONTEXT_AUTHORIZING:
self.log.debug(self.log_tag + 'pulseaudio context is authorizing')
elif state == p.PA_CONTEXT_SETTING_NAME:
self.log.debug(self.log_tag + 'pulseaudio context is setting name')
elif state == p.PA_CONTEXT_READY:
self.log.debug(self.log_tag + 'pulseaudio context is ready')
self.log.debug(self.log_tag + 'connected to server: ' +
p.pa_context_get_server(ctx).decode())
self.log.debug(self.log_tag + 'server protocol version: ' +
str(p.pa_context_get_server_protocol_version(ctx)))
p.pa_context_set_subscribe_callback(ctx, self.subscribe_cb, None)
# subscribing to pulseaudio events
subscription_mask = p.PA_SUBSCRIPTION_MASK_SINK_INPUT + \
p.PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT + \
p.PA_SUBSCRIPTION_MASK_SOURCE + \
p.PA_SUBSCRIPTION_MASK_SINK + \
p.PA_SUBSCRIPTION_MASK_SERVER
udata = p.ctx_success_cb_data()
udata.operation = 'subscribe'.encode('utf-8')
p.pa_context_subscribe(ctx, subscription_mask, self.ctx_success_cb,
p.get_ref(udata))
self.event_ctx_ready.set()
elif state == p.PA_CONTEXT_FAILED:
self.log.critical(self.log_tag +
'failed to start pulseaudio context')
self.log.critical(self.log_tag +
'unferencing pulseaudio context object')
p.pa_context_unref(ctx)
elif state == p.PA_CONTEXT_TERMINATED:
self.log.debug(self.log_tag + 'pulseaudio context terminated')
self.event_ctx_terminated.set()
def exit(self):
self.unload_sinks()
self.log.info('sinks unloaded')
self.log.info('disconnecting pulseaudio context')
p.pa_context_disconnect(self.ctx)
self.log.info('stopping pulseaudio threaded main loop')
p.pa_threaded_mainloop_stop(self.main_loop)
self.log.info('unferencing pulseaudio context object')
p.pa_context_unref(self.ctx)
self.log.info('freeing pulseaudio main loop object')
p.pa_threaded_mainloop_free(self.main_loop)
def exit(self):
self.unload_sinks()
self.log.debug(self.log_tag + 'sinks unloaded')
self.drain_ctx()
self.log.debug(self.log_tag + 'disconnecting pulseaudio context')
p.pa_context_disconnect(self.ctx)
self.event_ctx_terminated.wait()
self.log.debug(self.log_tag + 'unferencing pulseaudio context object')
p.pa_context_unref(self.ctx)
self.log.debug(self.log_tag + 'stopping pulseaudio threaded main loop')
p.pa_threaded_mainloop_stop(self.main_loop)
self.log.debug(self.log_tag + 'freeing pulseaudio main loop object')
p.pa_threaded_mainloop_free(self.main_loop)
def context_notify(self, ctx, user_data):
state = p.pa_context_get_state(ctx)
if state == p.PA_CONTEXT_READY:
self.log.info('pulseaudio context started')
self.log.info('connected to server: ' +
p.pa_context_get_server(ctx).decode())
self.log.info('server protocol version: ' +
str(p.pa_context_get_server_protocol_version(ctx)))
p.pa_context_set_subscribe_callback(self.ctx, self.subscribe_cb,
None)
# subscribing to pulseaudio events
subscription_mask = p.PA_SUBSCRIPTION_MASK_SINK_INPUT + \
p.PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT + \
p.PA_SUBSCRIPTION_MASK_SOURCE + \
p.PA_SUBSCRIPTION_MASK_SERVER
p.pa_context_subscribe(self.ctx, subscription_mask,
self.ctx_success_cb, None)
self.context_ok = True
elif state == p.PA_CONTEXT_FAILED:
self.log.critical('failed to start pulseaudio context')
self.log.info('unferencing pulseaudio context object')
p.pa_context_unref(self.ctx)
elif state == p.PA_CONTEXT_TERMINATED:
self.log.info('pulseaudio context terminated')
self.log.info('unferencing pulseaudio context object')
p.pa_context_unref(self.ctx)
self.context_ok = False