Index: chromecast/media/cma/backend/media_clock_device.h |
diff --git a/chromecast/media/cma/backend/media_clock_device.h b/chromecast/media/cma/backend/media_clock_device.h |
deleted file mode 100644 |
index b625dd57f8289e097768c56d6b72f83dd9b2da45..0000000000000000000000000000000000000000 |
--- a/chromecast/media/cma/backend/media_clock_device.h |
+++ /dev/null |
@@ -1,82 +0,0 @@ |
-// 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_BACKEND_MEDIA_CLOCK_DEVICE_H_ |
-#define CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_CLOCK_DEVICE_H_ |
- |
-#include <string> |
- |
-#include "base/basictypes.h" |
-#include "base/macros.h" |
-#include "base/threading/non_thread_safe.h" |
-#include "base/time/time.h" |
- |
-namespace chromecast { |
-namespace media { |
- |
-// MediaClockDevice - |
-// |
-// State machine: |
-// ------------------- |
-// | | |
-// v | |
-// kUninitialized --> kIdle --------- kRunning |
-// |
-// {any state} --> kError |
-// |
-// Notes: |
-// - Hardware resources are acquired when transitioning from the |
-// |kUninitialized| state to the |kIdle| state. |
-// - The initial value of the timeline can only be set in the kIdle state. |
-// |
-class MediaClockDevice |
- : NON_EXPORTED_BASE(public base::NonThreadSafe) { |
- public: |
- enum State { |
- kStateUninitialized, |
- kStateIdle, |
- kStateRunning, |
- kStateError, |
- }; |
- |
- // Return true if transition from |state1| to |state2| is a valid state |
- // transition. |
- static bool IsValidStateTransition(State state1, State state2); |
- |
- // Returns string representation of state (for logging) |
- static std::string StateToString(const State& state); |
- |
- MediaClockDevice(); |
- virtual ~MediaClockDevice(); |
- |
- // Return the current state of the media clock. |
- virtual State GetState() const = 0; |
- |
- // Changes the state and performs any necessary transitions. |
- // Returns true when successful. |
- virtual bool SetState(State new_state) = 0; |
- |
- // Sets the initial value of the timeline. |
- // Can only be invoked in state kStateIdle. |
- // Returns true when successful. |
- virtual bool ResetTimeline(base::TimeDelta time) = 0; |
- |
- // Sets the clock rate. |
- // Setting it to 0 means the clock is not progressing and that the renderer |
- // tied to this media clock should pause rendering. |
- // Can only be invoked in states kStateIdle or kStateRunning. |
- virtual bool SetRate(float rate) = 0; |
- |
- // Retrieves the media clock time. |
- // Can only be invoked in states kStateIdle or kStateRunning. |
- virtual base::TimeDelta GetTime() = 0; |
- |
- private: |
- DISALLOW_COPY_AND_ASSIGN(MediaClockDevice); |
-}; |
- |
-} // namespace media |
-} // namespace chromecast |
- |
-#endif // CHROMECAST_MEDIA_CMA_BACKEND_MEDIA_CLOCK_DEVICE_H_ |