Android EglRenderer: Add Bitmap frame listener functionality

webrtc/api/android/jni/eglrenderer_jni.cc

+/*
+ *  Copyright (c) 2016 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 "third_party/libyuv/include/libyuv/convert_argb.h"
+#include "webrtc/api/android/jni/classreferenceholder.h"
+
+namespace webrtc_jni {
+
+JOW(void, EglRenderer_nativeABGRToARGB)
+(JNIEnv* jni, jclass, jintArray j_array, jint width, jint height) {
+  jint* array = jni->GetIntArrayElements(j_array, NULL);
+  jint len = jni->GetArrayLength(j_array);
+  static_assert(sizeof(jint) == 4,
+                "EglRenderer.nativeABGRToARGB assumes sizeof(jint) == 4.");
+  libyuv::ABGRToARGB(reinterpret_cast<uint8_t*>(array), width * 4,
+                     reinterpret_cast<uint8_t*>(array), width * 4, width,
+                     height);
+  jni->ReleaseIntArrayElements(j_array, array, 0);
+}
+
+}  // namespace webrtc_jni