1 files changed, 123 insertions, 0 deletions
diff --git a/camera2/extensions/service_based_sample/oem_library/src/java/androidx/camera/extensions/impl/advanced/RequestProcessorImpl.java b/camera2/extensions/service_based_sample/oem_library/src/java/androidx/camera/extensions/impl/advanced/RequestProcessorImpl.java
new file mode 100644
index 00000000..51853334
--- /dev/null
+++ b/camera2/extensions/service_based_sample/oem_library/src/java/androidx/camera/extensions/impl/advanced/RequestProcessorImpl.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.camera.extensions.impl.advanced;
+
+import android.annotation.SuppressLint;
+import android.hardware.camera2.CaptureFailure;
+import android.hardware.camera2.CaptureRequest;
+import android.hardware.camera2.CaptureResult;
+import android.hardware.camera2.TotalCaptureResult;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * An Interface to execute Camera2 capture requests.
+ */
+@SuppressLint("UnknownNullness")
+public interface RequestProcessorImpl {
+    /**
+     * Sets a {@link ImageProcessorImpl} to receive {@link ImageReferenceImpl} to process.
+     */
+    void setImageProcessor(int outputconfigId, ImageProcessorImpl imageProcessor);
+
+    /**
+     * Submits a request.
+     * @return the id of the capture sequence or -1 in case the processor encounters a fatal error
+     *         or receives an invalid argument.
+     */
+    int submit(Request request, Callback callback);
+
+    /**
+     * Submits a list of requests.
+     * @return the id of the capture sequence or -1 in case the processor encounters a fatal error
+     *         or receives an invalid argument.
+     */
+    int submit(List<Request> requests, Callback callback);
+
+    /**
+     * Set repeating requests.
+     * @return the id of the capture sequence or -1 in case the processor encounters a fatal error
+     *         or receives an invalid argument.
+     */
+    int setRepeating(Request request, Callback callback);
+
+
+    /**
+     * Abort captures.
+     */
+    void abortCaptures();
+
+    /**
+     * Stop Repeating.
+     */
+    void stopRepeating();
+
+    /**
+     * A interface representing a capture request configuration used for submitting requests in
+     * {@link RequestProcessorImpl}.
+     */
+    interface Request {
+        /**
+         * Gets the target ids of {@link Camera2OutputConfigImpl} which identifies corresponding
+         * Surface to be the targeted for the request.
+         */
+        List<Integer> getTargetOutputConfigIds();
+
+        /**
+         * Gets all the parameters.
+         */
+        Map<CaptureRequest.Key<?>, Object> getParameters();
+
+        /**
+         * Gets the template id.
+         */
+        Integer getTemplateId();
+    }
+
+    /**
+     * Callback to be invoked during the capture.
+     */
+    interface Callback {
+        void onCaptureStarted(
+                Request request,
+                long frameNumber,
+                long timestamp);
+
+        void onCaptureProgressed(
+                Request request,
+                CaptureResult partialResult);
+
+        void onCaptureCompleted(
+                Request request,
+                TotalCaptureResult totalCaptureResult);
+
+        void onCaptureFailed(
+                Request request,
+                CaptureFailure captureFailure);
+
+        void onCaptureBufferLost(
+                Request request,
+                long frameNumber,
+                int outputStreamId);
+
+        void onCaptureSequenceCompleted(int sequenceId, long frameNumber);
+
+        void onCaptureSequenceAborted(int sequenceId);
+
+    }
+}