Camera: fill in Camera3Device offline processing impl

Move shared method implementations to Camera3OutputUtils.cpp/h
Defined interfaces to handle Camera3Device/Camera3OfflineSession
behavior differences in Camera3OutputInterface.h.

Bug: 135142453
Test: N/A (not enough implementation yet)
Change-Id: I57476ca5a1edf69c02a22241ad776d6f02636033
diff --git a/services/camera/libcameraservice/device3/InFlightRequest.h b/services/camera/libcameraservice/device3/InFlightRequest.h
new file mode 100644
index 0000000..ceeaa71
--- /dev/null
+++ b/services/camera/libcameraservice/device3/InFlightRequest.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#ifndef ANDROID_SERVERS_CAMERA3_INFLIGHT_REQUEST_H
+#define ANDROID_SERVERS_CAMERA3_INFLIGHT_REQUEST_H
+
+#include <set>
+
+#include <camera/CaptureResult.h>
+#include <camera/CameraMetadata.h>
+#include <utils/String8.h>
+#include <utils/Timers.h>
+
+#include "hardware/camera3.h"
+
+#include "common/CameraDeviceBase.h"
+
+namespace android {
+
+namespace camera3 {
+
+struct InFlightRequest {
+    // Set by notify() SHUTTER call.
+    nsecs_t shutterTimestamp;
+    // Set by process_capture_result().
+    nsecs_t sensorTimestamp;
+    int     requestStatus;
+    // Set by process_capture_result call with valid metadata
+    bool    haveResultMetadata;
+    // Decremented by calls to process_capture_result with valid output
+    // and input buffers
+    int     numBuffersLeft;
+    CaptureResultExtras resultExtras;
+    // If this request has any input buffer
+    bool hasInputBuffer;
+
+    // The last metadata that framework receives from HAL and
+    // not yet send out because the shutter event hasn't arrived.
+    // It's added by process_capture_result and sent when framework
+    // receives the shutter event.
+    CameraMetadata pendingMetadata;
+
+    // The metadata of the partial results that framework receives from HAL so far
+    // and has sent out.
+    CameraMetadata collectedPartialResult;
+
+    // Buffers are added by process_capture_result when output buffers
+    // return from HAL but framework has not yet received the shutter
+    // event. They will be returned to the streams when framework receives
+    // the shutter event.
+    Vector<camera3_stream_buffer_t> pendingOutputBuffers;
+
+    // Whether this inflight request's shutter and result callback are to be
+    // called. The policy is that if the request is the last one in the constrained
+    // high speed recording request list, this flag will be true. If the request list
+    // is not for constrained high speed recording, this flag will also be true.
+    bool hasCallback;
+
+    // Maximum expected frame duration for this request.
+    // For manual captures, equal to the max of requested exposure time and frame duration
+    // For auto-exposure modes, equal to 1/(lower end of target FPS range)
+    nsecs_t maxExpectedDuration;
+
+    // Whether the result metadata for this request is to be skipped. The
+    // result metadata should be skipped in the case of
+    // REQUEST/RESULT error.
+    bool skipResultMetadata;
+
+    // The physical camera ids being requested.
+    std::set<String8> physicalCameraIds;
+
+    // Map of physicalCameraId <-> Metadata
+    std::vector<PhysicalCaptureResultInfo> physicalMetadatas;
+
+    // Indicates a still capture request.
+    bool stillCapture;
+
+    // Indicates a ZSL capture request
+    bool zslCapture;
+
+    // Requested camera ids (both logical and physical) with zoomRatio != 1.0f
+    std::set<std::string> cameraIdsWithZoom;
+
+    // What shared surfaces an output should go to
+    SurfaceMap outputSurfaces;
+
+    // TODO: dedupe
+    static const nsecs_t kDefaultExpectedDuration = 100000000; // 100 ms
+
+    // Default constructor needed by KeyedVector
+    InFlightRequest() :
+            shutterTimestamp(0),
+            sensorTimestamp(0),
+            requestStatus(OK),
+            haveResultMetadata(false),
+            numBuffersLeft(0),
+            hasInputBuffer(false),
+            hasCallback(true),
+            maxExpectedDuration(kDefaultExpectedDuration),
+            skipResultMetadata(false),
+            stillCapture(false),
+            zslCapture(false) {
+    }
+
+    InFlightRequest(int numBuffers, CaptureResultExtras extras, bool hasInput,
+            bool hasAppCallback, nsecs_t maxDuration,
+            const std::set<String8>& physicalCameraIdSet, bool isStillCapture,
+            bool isZslCapture, const std::set<std::string>& idsWithZoom,
+            const SurfaceMap& outSurfaces = SurfaceMap{}) :
+            shutterTimestamp(0),
+            sensorTimestamp(0),
+            requestStatus(OK),
+            haveResultMetadata(false),
+            numBuffersLeft(numBuffers),
+            resultExtras(extras),
+            hasInputBuffer(hasInput),
+            hasCallback(hasAppCallback),
+            maxExpectedDuration(maxDuration),
+            skipResultMetadata(false),
+            physicalCameraIds(physicalCameraIdSet),
+            stillCapture(isStillCapture),
+            zslCapture(isZslCapture),
+            cameraIdsWithZoom(idsWithZoom),
+            outputSurfaces(outSurfaces) {
+    }
+};
+
+// Map from frame number to the in-flight request state
+typedef KeyedVector<uint32_t, InFlightRequest> InFlightRequestMap;
+
+} // namespace camera3
+
+} // namespace android
+
+#endif