[DO NOT COMMIT] MediaPlayerRenderer using StreamTextures.

media/base/android/stream_texture_wrapper.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef _MEDIA_BASE_ANDROID_STREAM_TEXTURE_WRAPPER_H_
+#define _MEDIA_BASE_ANDROID_STREAM_TEXTURE_WRAPPER_H_
+
+#include "media/base/video_frame.h"
+#include "media/blink/media_blink_export.h"
+
+namespace media {
+class VideoFrame;
+
+// Interface defining a class wrapping the initialization and registration
+// of a StreamTexture, along with a way to access the wrapped underlying Texture
+// via a VideoFrame.
+//
+// TODO(tguilbert): Support registering the underlying SurfaceTexture so it can
+// be used by a MediaPlayer in the browser process. See crbug.com/627658.
+class StreamTextureWrapper {
+ public:
+  StreamTextureWrapper() {}
+  virtual ~StreamTextureWrapper() {}
+
+  // TODO(tguilbert): Update comment for |main_task_runner|
+  // Initialize and start providing frames if possible.
+  // The provided |task_runner| will be used to "signal" new frames (and most
+  // likely should be the compositor's TaskRunner).
+  virtual void Initialize(
+      cc::VideoFrameProvider::Client* client,
+      const gfx::Size& natural_size,
+      const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
+      const base::Closure& init_cb) = 0;
+
+  // Should be called whenever the Video's natural size changes.
+  virtual void UpdateTextureSize(const gfx::Size& natural_size) = 0;
+
+  // Returns the latest frame.
+  virtual scoped_refptr<VideoFrame> GetCurrentFrame();
+};
+
+}  // namespace media
+
+#endif  // _MEDIA_BASE_ANDROID_STREAM_TEXTURE_WRAPPER_H_