Add wrapper for VideoSink and VideoFrame to Android native_api.

Bug: webrtc:8769
Change-Id: If944b2a52a86666bebf094ec0e3c74c076d6c3d2
Reviewed-on: https://webrtc-review.googlesource.com/50740
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22001}

sdk/android/native_api/video/wrapper.cc

@@ -0,0 +1,32 @@
+/*
+ *  Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "sdk/android/native_api/video/wrapper.h"
+
+#include "rtc_base/ptr_util.h"
+#include "sdk/android/native_api/jni/scoped_java_ref.h"
+#include "sdk/android/src/jni/videoframe.h"
+#include "sdk/android/src/jni/videosink.h"
+
+namespace webrtc {
+
+std::unique_ptr<rtc::VideoSinkInterface<VideoFrame>> JavaToNativeVideoSink(
+    JNIEnv* jni,
+    jobject video_sink) {
+  return rtc::MakeUnique<jni::VideoSinkWrapper>(
+      jni, JavaParamRef<jobject>(video_sink));
+}
+
+ScopedJavaLocalRef<jobject> NativeToJavaVideoFrame(JNIEnv* jni,
+                                                   const VideoFrame& frame) {
+  return jni::NativeToJavaFrame(jni, frame);
+}
+
+}  // namespace webrtc

sdk/android/native_api/video/wrapper.h

@@ -0,0 +1,35 @@
+/*
+ *  Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef SDK_ANDROID_NATIVE_API_VIDEO_WRAPPER_H_
+#define SDK_ANDROID_NATIVE_API_VIDEO_WRAPPER_H_
+
+#include <jni.h>
+#include <memory>
+
+#include "api/mediastreaminterface.h"
+#include "api/video/video_frame.h"
+#include "sdk/android/native_api/jni/scoped_java_ref.h"
+
+namespace webrtc {
+
+// Creates an instance of rtc::VideoSinkInterface<VideoFrame> from Java
+// VideoSink.
+std::unique_ptr<rtc::VideoSinkInterface<VideoFrame>> JavaToNativeVideoSink(
+    JNIEnv* jni,
+    jobject video_sink);
+
+// Creates a Java VideoFrame object from a native VideoFrame.
+ScopedJavaLocalRef<jobject> NativeToJavaVideoFrame(JNIEnv* jni,
+                                                   const VideoFrame& frame);
+
+}  // namespace webrtc
+
+#endif  // SDK_ANDROID_NATIVE_API_VIDEO_WRAPPER_H_