Chromecast: adds test frame-segmenter code to support CMA unit tests.

chromecast/media/cma/base/mock_frame_consumer.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 CHROMECAST_MEDIA_CMA_BASE_MOCK_FRAME_CONSUMER_H_
-#define CHROMECAST_MEDIA_CMA_BASE_MOCK_FRAME_CONSUMER_H_
-
-#include <vector>
-
-#include "base/callback.h"
-#include "base/macros.h"
-
-namespace media {
-class AudioDecoderConfig;
-class VideoDecoderConfig;
-}
-
-namespace chromecast {
-namespace media {
-class CodedFrameProvider;
-class DecoderBufferBase;
-class FrameGeneratorForTest;
-
-class MockFrameConsumer {
- public:
-  explicit MockFrameConsumer(CodedFrameProvider* coded_frame_provider);
-  ~MockFrameConsumer();
-
-  void Configure(const std::vector<bool>& delayed_task_pattern,
-                 bool last_read_aborted_by_flush,
-                 scoped_ptr<FrameGeneratorForTest> frame_generator);
-
-  // Starts consuming frames. Invoke |done_cb| when all the expected frames
-  // have been received.
-  void Start(const base::Closure& done_cb);
-
- private:
-  void ReadFrame();
-  void OnNewFrame(const scoped_refptr<DecoderBufferBase>& buffer,
-                  const ::media::AudioDecoderConfig& audio_config,
-                  const ::media::VideoDecoderConfig& video_config);
-
-  void OnFlushCompleted();
-
-  CodedFrameProvider* const coded_frame_provider_;
-
-  base::Closure done_cb_;
-
-  // Parameterization of the frame consumer:
-  // |delayed_task_pattern_| indicates the pattern for fetching frames,
-  // i.e. after receiving a frame, either fetch a frame right away
-  // or wait some time before fetching another frame.
-  // |pattern_idx_| is the current index in the pattern.
-  // |last_read_aborted_by_flush_| indicates whether the last buffer request
-  // should be aborted by a Flush.
-  std::vector<bool> delayed_task_pattern_;
-  size_t pattern_idx_;
-  bool last_read_aborted_by_flush_;
-
-  // Expected results.
-  scoped_ptr<FrameGeneratorForTest> frame_generator_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockFrameConsumer);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_BASE_MOCK_FRAME_CONSUMER_H_