def get_server_info(self):
p.pa_threaded_mainloop_lock(self.main_loop)
o = p.pa_context_get_server_info(self.ctx, self.server_info_cb, None)
while p.pa_operation_get_state(o) == p.PA_OPERATION_RUNNING:
p.pa_threaded_mainloop_wait(self.main_loop)
p.pa_operation_unref(o)
p.pa_threaded_mainloop_unlock(self.main_loop)
def find_sources(self):
p.pa_threaded_mainloop_lock(self.main_loop)
o = p.pa_context_get_source_info_list(self.ctx, self.source_info_cb,
1) # 1 for new
while p.pa_operation_get_state(o) == p.PA_OPERATION_RUNNING:
p.pa_threaded_mainloop_wait(self.main_loop)
p.pa_operation_unref(o)
p.pa_threaded_mainloop_unlock(self.main_loop)
def load_source_info(self, name):
p.pa_threaded_mainloop_lock(self.main_loop)
o = p.pa_context_get_source_info_by_name(self.ctx, name.encode(),
self.source_info_cb, None)
while p.pa_operation_get_state(o) == p.PA_OPERATION_RUNNING:
p.pa_threaded_mainloop_wait(self.main_loop)
p.pa_operation_unref(o)
p.pa_threaded_mainloop_unlock(self.main_loop)
def unload_module(self, module):
user_data = p.ctx_success_cb_data()
user_data.operation = 'unload_module'.encode('utf-8')
p.pa_threaded_mainloop_lock(self.main_loop)
o = p.pa_context_unload_module(self.ctx, module, self.ctx_success_cb,
p.get_ref(user_data))
while p.pa_operation_get_state(o) == p.PA_OPERATION_RUNNING:
p.pa_threaded_mainloop_wait(self.main_loop)
p.pa_operation_unref(o)
p.pa_threaded_mainloop_unlock(self.main_loop)
def drain_ctx(self):
o = p.pa_context_drain(self.ctx, self.ctx_drain_notify_cb, None)
if o:
p.pa_threaded_mainloop_lock(self.main_loop)
while p.pa_operation_get_state(o) == p.PA_OPERATION_RUNNING:
p.pa_threaded_mainloop_wait(self.main_loop)
p.pa_threaded_mainloop_unlock(self.main_loop)
self.log.debug(self.log_tag + 'drained pulseaudio context')
p.pa_operation_unref(o)
else:
self.log.debug(self.log_tag + 'context is already drained')
def load_sink(self, name, description, rate):
self.sink_is_loaded = False
self.load_sink_info(name)
if not self.sink_is_loaded:
args = []
sink_properties = description
sink_properties += 'device.class=\'sound\''
args.append('sink_name=' + name)
args.append('sink_properties=' + sink_properties)
args.append('channels=2')
args.append('rate=' + str(rate))
argument = ' '.join(map(str, args)).encode('ascii')
module = b'module-null-sink'
p.pa_threaded_mainloop_lock(self.main_loop)
o = p.pa_context_load_module(self.ctx, module, argument,
self.module_idx_cb, None)
while p.pa_operation_get_state(o) == p.PA_OPERATION_RUNNING:
p.pa_threaded_mainloop_wait(self.main_loop)
p.pa_operation_unref(o)
p.pa_threaded_mainloop_unlock(self.main_loop)
self.load_sink_info(name) # checking if sink was loaded
if self.sink_is_loaded:
return True
else:
return False
else:
return True
