def pump(self):
# Release spent buffers
processed = al.ALint()
al.alGetSourcei(self._al_source, al.AL_BUFFERS_PROCESSED, processed)
processed = processed.value
if processed:
buffers = (al.ALuint * processed)()
al.alSourceUnqueueBuffers(self._al_source, len(buffers), buffers)
al.alDeleteBuffers(len(buffers), buffers)
# Pop timestamps and check for eos markers
try:
while processed:
if not _have_1_1:
self._timestamp_system_time = time.time()
_, duration = self._timestamps.pop(0)
self._buffered_time -= duration
while self._timestamps[0][0] is None:
self._eos_count += 1
self._timestamps.pop(0)
processed -= 1
except IndexError:
pass
if _have_1_1:
samples = al.ALint()
al.alGetSourcei(self._al_source, al.AL_SAMPLE_OFFSET, samples)
self._current_buffer_time = samples.value / float(self.audio_format.sample_rate)
else:
# Interpolate system time past buffer timestamp
self._current_buffer_time = time.time() - self._timestamp_system_time
# Begin playing if underrun previously
if self._playing:
self._al_play()
def clear(self):
al.alSourceStop(self._al_source)
self._playing = False
processed = al.ALint()
al.alGetSourcei(self._al_source, al.AL_BUFFERS_PROCESSED, processed)
if processed.value:
buffers = (al.ALuint * processed.value)()
al.alSourceUnqueueBuffers(self._al_source, len(buffers), buffers)
al.alDeleteBuffers(len(buffers), buffers)
self._pause_timestamp = 0.0
self._buffered_time = 0.0
self._timestamps = []
def clear(self):
al.alSourceStop(self._al_source)
self._playing = False
processed = al.ALint()
al.alGetSourcei(self._al_source, al.AL_BUFFERS_PROCESSED, processed)
if processed.value:
buffers = (al.ALuint * processed.value)()
al.alSourceUnqueueBuffers(self._al_source, len(buffers), buffers)
al.alDeleteBuffers(len(buffers), buffers)
self._pause_timestamp = 0.0
self._buffered_time = 0.0
self._timestamps = []
def pump(self):
# Release spent buffers
processed = al.ALint()
al.alGetSourcei(self._al_source, al.AL_BUFFERS_PROCESSED, processed)
processed = processed.value
if processed:
buffers = (al.ALuint * processed)()
al.alSourceUnqueueBuffers(self._al_source, len(buffers), buffers)
al.alDeleteBuffers(len(buffers), buffers)
# Pop timestamps and check for eos markers
try:
while processed:
if not _have_1_1:
self._timestamp_system_time = time.time()
_, duration = self._timestamps.pop(0)
self._buffered_time -= duration
while self._timestamps[0][0] is None:
self._eos_count += 1
self._timestamps.pop(0)
processed -= 1
except IndexError:
pass
if _have_1_1:
samples = al.ALint()
al.alGetSourcei(self._al_source, al.AL_SAMPLE_OFFSET, samples)
self._current_buffer_time = samples.value / \
float(self.audio_format.sample_rate)
else:
# Interpolate system time past buffer timestamp
self._current_buffer_time = time.time() - \
self._timestamp_system_time
# Check for underrun
if self._playing:
state = al.ALint()
al.alGetSourcei(self._al_source, al.AL_SOURCE_STATE, state)
if state.value != al.AL_PLAYING:
al.alSourcePlay(self._al_source)
return True # underrun notification
def delete(self):
al.alDeleteBuffers(1, self.buf)
def delete(self):
al.alDeleteBuffers(1, self.buffer)
def __del__(self, al=al):
if al and al.ALuint and al.alDeleteBuffers:
buffers = (al.ALuint * len(self))(*self)
al.alDeleteBuffers(len(self), buffers)
