[chromecast] Adds MediaSinkDefault.

chromecast/media/cma/backend/media_sink_default.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 CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_SINK_DEFAULT_H_
+#define CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_SINK_DEFAULT_H_
+
+#include "base/cancelable_callback.h"
+#include "base/macros.h"
+#include "base/time/default_tick_clock.h"
+#include "chromecast/public/media/media_pipeline_backend.h"
+#include "media/base/time_delta_interpolator.h"
+
+namespace chromecast {
+namespace media {
+
+class MediaSinkDefault {
+ public:
+  MediaSinkDefault(MediaPipelineBackend::Decoder::Delegate* delegate,
+                   base::TimeDelta start_pts);
+  ~MediaSinkDefault();
+
+  void SetPlaybackRate(float rate);
+  base::TimeDelta GetCurrentPts();
+  MediaPipelineBackend::BufferStatus PushBuffer(CastDecoderBuffer* buffer);
+
+ private:
+  void ScheduleEndOfStreamTask();
+
+  MediaPipelineBackend::Decoder::Delegate* delegate_;
+  base::DefaultTickClock tick_clock_;
+  ::media::TimeDeltaInterpolator time_interpolator_;
+  float playback_rate_;
+  base::TimeDelta last_frame_pts_;
+  bool received_eos_;
+  base::CancelableClosure eos_task_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaSinkDefault);
+};
+
+}  // namespace media
+}  // namespace chromecast
+
+#endif  // CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_SINK_DEFAULT_H_