diff options
Diffstat (limited to 'src/android/camera_device.cpp')
| -rw-r--r-- | src/android/camera_device.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp index 83825736..00d48471 100644 --- a/src/android/camera_device.cpp +++ b/src/android/camera_device.cpp @@ -1164,6 +1164,17 @@ void CameraDevice::requestComplete(Request *request) } } +/** + * \brief Complete the Camera3RequestDescriptor + * \param[in] descriptor The Camera3RequestDescriptor that has completed + * + * The function marks the Camera3RequestDescriptor as 'complete'. It shall be + * called when all the streams in the Camera3RequestDescriptor have completed + * capture (or have been generated via post-processing) and the request is ready + * to be sent back to the framework. + * + * \context This function is \threadsafe. + */ void CameraDevice::completeDescriptor(Camera3RequestDescriptor *descriptor) { MutexLocker lock(descriptorsMutex_); @@ -1172,6 +1183,19 @@ void CameraDevice::completeDescriptor(Camera3RequestDescriptor *descriptor) sendCaptureResults(); } +/** + * \brief Sequentially send capture results to the framework + * + * Iterate over the descriptors queue to send completed descriptors back to the + * framework, in the same order as they have been queued. For each complete + * descriptor, populate a locally-scoped camera3_capture_result_t from the + * descriptor, send the capture result back by calling the + * process_capture_result() callback, and remove the descriptor from the queue. + * Stop iterating if the descriptor at the front of the queue is not complete. + * + * This function should never be called directly in the codebase. Use + * completeDescriptor() instead. + */ void CameraDevice::sendCaptureResults() { while (!descriptors_.empty() && !descriptors_.front()->isPending()) { @@ -1231,6 +1255,19 @@ void CameraDevice::setBufferStatus(Camera3RequestDescriptor::StreamBuffer &strea } } +/** + * \brief Handle post-processing completion of a stream in a capture request + * \param[in] streamBuffer The StreamBuffer for which processing is complete + * \param[in] status Stream post-processing status + * + * This function is called from the post-processor's thread whenever a camera + * stream has finished post processing. The corresponding entry is dropped from + * the descriptor's pendingStreamsToProcess_ map. + * + * If the pendingStreamsToProcess_ map is then empty, all streams requiring to + * be generated from post-processing have been completed. Mark the descriptor as + * complete using completeDescriptor() in that case. + */ void CameraDevice::streamProcessingComplete(Camera3RequestDescriptor::StreamBuffer *streamBuffer, Camera3RequestDescriptor::Status status) { |