vlc_cond_t cond;
bool b_ignore_streams_changed_callback;
+
+ UInt32 i_device_latency; /* The time the device needs to process the data. In samples. */
};
#pragma mark -
p_sys->b_changed_mixing = false;
p_sys->i_bytes_per_sample = 0;
p_sys->b_paused = false;
+ p_sys->i_device_latency = 0;
vlc_mutex_lock(&p_sys->var_lock);
p_sys->i_selected_dev = p_sys->i_new_selected_dev;
goto error;
}
+ /* get device latency */
+ AudioObjectPropertyAddress latencyAddress = { kAudioDevicePropertyLatency, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
+ i_param_size = sizeof(p_sys->i_device_latency);
+ err = AudioObjectGetPropertyData(p_sys->i_selected_dev,
+ &latencyAddress,
+ 0,
+ NULL,
+ &i_param_size,
+ &p_sys->i_device_latency);
+ if (err != noErr) {
+ msg_Warn(p_aout, "Cannot get device latency [%4.4s]",
+ (char *)&err);
+ }
+ msg_Dbg(p_aout, "Current device has a latency of %u frames", p_sys->i_device_latency);
+
+
bool b_success = false;
/* Check for Digital mode or Analog output mode */
int32_t availableBytes;
TPCircularBufferTail(&p_sys->circular_buffer, &availableBytes);
- *delay = (availableBytes / p_sys->i_bytes_per_sample) * CLOCK_FREQ / p_sys->i_rate;
+ *delay = ((availableBytes / p_sys->i_bytes_per_sample) + p_sys->i_device_latency) * CLOCK_FREQ / p_sys->i_rate;
return 0;
}