Reland again Android MediaCodecVideoDecoder: Manage lifetime of texture frames

talk/app/webrtc/java/jni/native_handle_impl.h

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 18 matching lines @@
 #ifndef TALK_APP_WEBRTC_JAVA_JNI_NATIVE_HANDLE_IMPL_H_
 #define TALK_APP_WEBRTC_JAVA_JNI_NATIVE_HANDLE_IMPL_H_
 
 #include <jni.h>
 
 #include "webrtc/common_video/include/video_frame_buffer.h"
 
 namespace webrtc_jni {
 
 // Wrapper for texture object.
-struct NativeTextureHandleImpl {
-  NativeTextureHandleImpl(JNIEnv* jni,
-                          jint j_oes_texture_id,
-                          jfloatArray j_transform_matrix);
+struct NativeHandleImpl {
+  NativeHandleImpl(JNIEnv* jni,
+                   jint j_oes_texture_id,
+                   jfloatArray j_transform_matrix);
 
   const int oes_texture_id;
   float sampling_matrix[16];
 };
 
-// Native handle for SurfaceTexture + texture id.
-class NativeHandleImpl {
- public:
-  NativeHandleImpl();
-
-  void* GetHandle();
-  int GetTextureId();
-  void SetTextureObject(void* texture_object, int texture_id);
-
- private:
-  jobject texture_object_;
-  int32_t texture_id_;
-};
-
-class JniNativeHandleBuffer : public webrtc::NativeHandleBuffer {
- public:
-  JniNativeHandleBuffer(void* native_handle, int width, int height);
-
-  // TODO(pbos): Override destructor to release native handle, at the moment the
-  // native handle is not released based on refcount.
-
- private:
-  rtc::scoped_refptr<webrtc::VideoFrameBuffer> NativeToI420Buffer() override;
-};
-
 class AndroidTextureBuffer : public webrtc::NativeHandleBuffer {
  public:
   AndroidTextureBuffer(int width,
                        int height,
-                       const NativeTextureHandleImpl& native_handle,
+                       const NativeHandleImpl& native_handle,
                        const rtc::Callback0<void>& no_longer_used);
   ~AndroidTextureBuffer();
   rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override;
 
  private:
-  NativeTextureHandleImpl native_handle_;
+  NativeHandleImpl native_handle_;
   rtc::Callback0<void> no_longer_used_cb_;
 };
 
 }  // namespace webrtc_jni
 
 #endif  // TALK_APP_WEBRTC_JAVA_JNI_NATIVE_HANDLE_IMPL_H_