Camera: Various offline processing fixes
Notable fixes:
- Rework FrameProcessorBase so it accept and work with
offline sessions.
- Erase internal composite streams from offline stream list.
Bug: 135142453
Test: Camera CTS
Change-Id: I9dbc01e62fa94c1e0bfb84a8ddaa9e39ab4a7e34
diff --git a/services/camera/libcameraservice/common/FrameProducer.h b/services/camera/libcameraservice/common/FrameProducer.h
new file mode 100644
index 0000000..a14b3d6
--- /dev/null
+++ b/services/camera/libcameraservice/common/FrameProducer.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2020 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_CAMERA_FRAMEPRODUCER_H
+#define ANDROID_SERVERS_CAMERA_FRAMEPRODUCER_H
+
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+#include <utils/Timers.h>
+
+#include "camera/CameraMetadata.h"
+#include "camera/CaptureResult.h"
+
+namespace android {
+
+/**
+ * Abstract class for HAL frame producers
+ */
+class FrameProducer : public virtual RefBase {
+ public:
+ /**
+ * Retrieve the static characteristics metadata buffer
+ */
+ virtual const CameraMetadata& info() const = 0;
+
+ /**
+ * Retrieve the device camera ID
+ */
+ virtual const String8& getId() const = 0;
+
+ /**
+ * Wait for a new frame to be produced, with timeout in nanoseconds.
+ * Returns TIMED_OUT when no frame produced within the specified duration
+ * May be called concurrently to most methods, except for getNextFrame
+ */
+ virtual status_t waitForNextFrame(nsecs_t timeout) = 0;
+
+ /**
+ * Get next capture result frame from the result queue. Returns NOT_ENOUGH_DATA
+ * if the queue is empty; caller takes ownership of the metadata buffer inside
+ * the capture result object's metadata field.
+ * May be called concurrently to most methods, except for waitForNextFrame.
+ */
+ virtual status_t getNextResult(CaptureResult *frame) = 0;
+
+}; // class FrameProducer
+
+} // namespace android
+
+#endif