Cast: Reshuffle files under media/cast

media/cast/video_sender/external_video_encoder.h

-// Copyright 2014 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_CAST_VIDEO_SENDER_EXTERNAL_VIDEO_ENCODER_H_
-#define MEDIA_CAST_VIDEO_SENDER_EXTERNAL_VIDEO_ENCODER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "media/cast/cast_config.h"
-#include "media/cast/cast_environment.h"
-#include "media/cast/video_sender/video_encoder.h"
-#include "media/video/video_encode_accelerator.h"
-
-namespace media {
-class VideoFrame;
-}
-
-namespace media {
-namespace cast {
-
-class LocalVideoEncodeAcceleratorClient;
-
-// This object is called external from the main cast thread and internally from
-// the video encoder thread.
-class ExternalVideoEncoder : public VideoEncoder {
- public:
-  ExternalVideoEncoder(
-      scoped_refptr<CastEnvironment> cast_environment,
-      const VideoSenderConfig& video_config,
-      const CreateVideoEncodeAcceleratorCallback& create_vea_cb,
-      const CreateVideoEncodeMemoryCallback& create_video_encode_mem_cb);
-
-  virtual ~ExternalVideoEncoder();
-
-  // Called from the main cast thread. This function post the encode task to the
-  // video encoder thread;
-  // The video_frame must be valid until the closure callback is called.
-  // The closure callback is called from the video encoder thread as soon as
-  // the encoder is done with the frame; it does not mean that the encoded frame
-  // has been sent out.
-  // Once the encoded frame is ready the frame_encoded_callback is called.
-  virtual bool EncodeVideoFrame(
-      const scoped_refptr<media::VideoFrame>& video_frame,
-      const base::TimeTicks& capture_time,
-      const FrameEncodedCallback& frame_encoded_callback) OVERRIDE;
-
-  // The following functions are called from the main cast thread.
-  virtual void SetBitRate(int new_bit_rate) OVERRIDE;
-  virtual void GenerateKeyFrame() OVERRIDE;
-  virtual void LatestFrameIdToReference(uint32 frame_id) OVERRIDE;
-
-  // Called when a VEA is created.
-  void OnCreateVideoEncodeAccelerator(
-      const CreateVideoEncodeMemoryCallback& create_video_encode_mem_cb,
-      scoped_refptr<base::SingleThreadTaskRunner> encoder_task_runner,
-      scoped_ptr<media::VideoEncodeAccelerator> vea);
-
- protected:
-  void EncoderInitialized();
-  void EncoderError();
-
- private:
-  friend class LocalVideoEncodeAcceleratorClient;
-
-  VideoSenderConfig video_config_;
-  scoped_refptr<CastEnvironment> cast_environment_;
-
-  bool encoder_active_;
-  bool key_frame_requested_;
-
-  scoped_refptr<LocalVideoEncodeAcceleratorClient> video_accelerator_client_;
-  scoped_refptr<base::SingleThreadTaskRunner> encoder_task_runner_;
-
-  // Weak pointer factory for posting back LocalVideoEncodeAcceleratorClient
-  // notifications to ExternalVideoEncoder.
-  // NOTE: Weak pointers must be invalidated before all other member variables.
-  base::WeakPtrFactory<ExternalVideoEncoder> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExternalVideoEncoder);
-};
-
-}  // namespace cast
-}  // namespace media
-
-#endif  // MEDIA_CAST_VIDEO_SENDER_EXTERNAL_VIDEO_ENCODER_H_