Default requests
To construct default capture requests, call
ICameraDeviceSession::constructDefaultRequestSettings().
Request submission
To submit camera capture requests, call
ICameraDeviceSession::processCaptureRequest().
Miscellaneous methods
Request/result message queues
Camera capture result and request IPC overhead can be further optimized with
fast message queues. Call the
ICameraDeviceSession::getCaptureRequestMetadataQueue() and
ICameraDeviceSession::getCaptureResultMetadataQueue()
methods to query the corresponding queues.
Flush requests
To flush any pending capture requests, call
ICameraDeviceSession::flush().