Chromecast: adds interfaces for hardware layer of CMA pipeline.

chromecast/media/cma/test/media_component_device_feeder_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_TEST_MEDIA_COMPONENT_DEVICE_FEEDER_FOR_TEST_H_
+#define CHROMECAST_MEDIA_CMA_TEST_MEDIA_COMPONENT_DEVICE_FEEDER_FOR_TEST_H_
+
+#include <list>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
+#include "chromecast/media/cma/backend/audio_pipeline_device.h"
+#include "chromecast/media/cma/backend/media_clock_device.h"
+#include "chromecast/media/cma/backend/media_pipeline_device.h"
+#include "chromecast/media/cma/backend/video_pipeline_device.h"
+#include "chromecast/media/cma/base/decoder_buffer_base.h"
+
+namespace chromecast {
+namespace media {
+
+typedef std::list<scoped_refptr<DecoderBufferBase> > BufferList;
+
+class MediaComponentDeviceFeederForTest {
+ public:
+  MediaComponentDeviceFeederForTest(
+      MediaComponentDevice *device,
+      const BufferList& frames);
+
+  virtual ~MediaComponentDeviceFeederForTest();
+
+  void Initialize(const base::Closure& eos_cb);
+
+  // Feeds one frame into the pipeline.
+  void Feed();
+
+ private:
+  void OnFramePushed(MediaComponentDevice::FrameStatus status);
+
+  void OnEos();
+
+  MediaComponentDevice *media_component_device_;
+  BufferList frames_;
+
+  // Frame index where the audio device is switching to the kStateRunning.
+  int rendering_frame_idx_;
+
+  // Frame index where the clock device is switching to the kStateRunning

[damienv1, 2014/10/06 17:00:23]

nit: consistency (add "." as the end).

[gunsch, 2014/10/06 17:19:51]

Done.

+  int clock_frame_idx_;
+
+  // Timing pattern to feed the pipeline.
+  std::vector<base::TimeDelta> delayed_feed_pattern_;
+  size_t delayed_feed_pattern_idx_;
+
+  base::Closure eos_cb_;
+
+  bool feeding_completed_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaComponentDeviceFeederForTest);
+};
+
+}  // namespace media
+}  // namespace chromecast
+
+#endif  // CHROMECAST_MEDIA_CMA_TEST_MEDIA_COMPONENT_DEVICE_FEEDER_FOR_TEST_H_