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

chromecast/media/cma/base/frame_generator_for_test.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_FRAME_GENERATOR_FOR_TEST_H_
-#define CHROMECAST_MEDIA_CMA_BASE_FRAME_GENERATOR_FOR_TEST_H_
-
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/time/time.h"
-
-namespace chromecast {
-namespace media {
-class DecoderBufferBase;
-
-class FrameGeneratorForTest {
- public:
-  // Parameters used to generate frames.
-  struct FrameSpec {
-    FrameSpec();
-    ~FrameSpec();
-
-    // Indicates whether the frame comes with a new decoder configuration.
-    bool has_config;
-
-    bool is_eos;
-    base::TimeDelta timestamp;
-    bool has_decrypt_config;
-    size_t size;
-  };
-
-  explicit FrameGeneratorForTest(const std::vector<FrameSpec> frame_specs);
-  ~FrameGeneratorForTest();
-
-  // Indicates whether the next frame should come with a new decoder config.
-  bool HasDecoderConfig() const;
-
-  // Generates a frame.
-  // Returns NULL is there is no frame left to generate.
-  scoped_refptr<DecoderBufferBase> Generate();
-
-  // Number of frames not generated yet.
-  size_t RemainingFrameCount() const;
-
- private:
-  std::vector<FrameSpec> frame_specs_;
-  size_t frame_idx_;
-
-  // Total size of A/V buffers generated so far.
-  size_t total_buffer_size_;
-
-  DISALLOW_COPY_AND_ASSIGN(FrameGeneratorForTest);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_BASE_TEST_FRAME_GENERATOR_H_