Move Codec2-related code from hardware/google/av

Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/sfplugin/InputSurfaceWrapper.h b/media/codec2/sfplugin/InputSurfaceWrapper.h
new file mode 100644
index 0000000..d9c4eec
--- /dev/null
+++ b/media/codec2/sfplugin/InputSurfaceWrapper.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2018, 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 INPUT_SURFACE_WRAPPER_H_
+#define INPUT_SURFACE_WRAPPER_H_
+
+#include <codec2/hidl/client.h>
+#include <system/graphics.h>
+
+namespace android {
+
+/**
+ * Wrapper interface around InputSurface.
+ */
+class InputSurfaceWrapper {
+public:
+    InputSurfaceWrapper()
+        : mDataSpace(HAL_DATASPACE_UNKNOWN) {
+    }
+
+    virtual ~InputSurfaceWrapper() = default;
+
+    /**
+     * Connect the surface with |comp|. A surface can
+     * connect to at most one component at a time.
+     *
+     * \return OK               successfully connected to |comp|
+     * \return ALREADY_EXISTS   already connected to another component.
+     */
+    virtual status_t connect(
+            const std::shared_ptr<Codec2Client::Component> &comp) = 0;
+
+    /**
+     * Disconnect the surface from the component if any.
+     */
+    virtual void disconnect() = 0;
+
+    /**
+     * Start pushing buffers to the surface.
+     */
+    virtual status_t start() = 0;
+
+    /**
+     * Ref: GraphicBufferSource::signalEndOfInputStream.
+     */
+    virtual status_t signalEndOfInputStream() = 0;
+
+    /// Input Surface configuration
+    struct Config {
+        // IN PARAMS (GBS)
+        float mMinFps; // minimum fps (repeat frame to achieve this)
+        float mMaxFps; // max fps (via frame drop)
+        float mCaptureFps; // capture fps
+        float mCodedFps;   // coded fps
+        bool mSuspended; // suspended
+        int64_t mTimeOffsetUs; // time offset (input => codec)
+        int64_t mSuspendAtUs; // suspend/resume time
+        int64_t mStartAtUs; // start time
+        bool mStopped; // stopped
+        int64_t mStopAtUs; // stop time
+
+        // OUT PARAMS (GBS)
+        int64_t mInputDelayUs; // delay between encoder input and surface input
+
+        // IN PARAMS (CODEC WRAPPER)
+        float mFixedAdjustedFps; // fixed fps via PTS manipulation
+        float mMinAdjustedFps; // minimum fps via PTS manipulation
+    };
+
+    /**
+     * Configures input surface.
+     *
+     * \param config configuration. This can be updated during this call to provide output
+     *               parameters, but not to provide configured parameters (to avoid continually
+     *               reconfiguring)
+     */
+    virtual status_t configure(Config &config) = 0;
+
+    /**
+     * Configures desired data space.
+     *
+     * \param dataSpace desired data space
+     */
+    inline void setDataSpace(android_dataspace dataSpace) {
+        mDataSpace = dataSpace;
+    }
+
+protected:
+    android_dataspace mDataSpace;
+};
+
+}  // namespace android
+
+#endif  // INPUT_SURFACE_WRAPPER_H_