Remove webrtc/sound/ subdir.

webrtc/sound/soundinputstreaminterface.h

-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_SOUND_SOUNDINPUTSTREAMINTERFACE_H_
-#define WEBRTC_SOUND_SOUNDINPUTSTREAMINTERFACE_H_
-
-#include "webrtc/base/constructormagic.h"
-#include "webrtc/base/sigslot.h"
-
-namespace rtc {
-
-// Interface for consuming an input stream from a recording device.
-// Semantics and thread-safety of StartReading()/StopReading() are the same as
-// for rtc::Worker.
-class SoundInputStreamInterface {
- public:
-  virtual ~SoundInputStreamInterface();
-
-  // Starts the reading of samples on the current thread.
-  virtual bool StartReading() = 0;
-  // Stops the reading of samples.
-  virtual bool StopReading() = 0;
-
-  // Retrieves the current input volume for this stream. Nominal range is
-  // defined by SoundSystemInterface::k(Max|Min)Volume, but values exceeding the
-  // max may be possible in some implementations. This call retrieves the actual
-  // volume currently in use by the OS, not a cached value from a previous
-  // (Get|Set)Volume() call.
-  virtual bool GetVolume(int *volume) = 0;
-
-  // Changes the input volume for this stream. Nominal range is defined by
-  // SoundSystemInterface::k(Max|Min)Volume. The effect of exceeding kMaxVolume
-  // is implementation-defined.
-  virtual bool SetVolume(int volume) = 0;
-
-  // Closes this stream object. If currently reading then this may only be
-  // called from the reading thread.
-  virtual bool Close() = 0;
-
-  // Get the latency of the stream.
-  virtual int LatencyUsecs() = 0;
-
-  // Notifies the consumer of new data read from the device.
-  // The first parameter is a pointer to the data read, and is only valid for
-  // the duration of the call.
-  // The second parameter is the amount of data read in bytes (i.e., the valid
-  // length of the memory pointed to).
-  // The 3rd parameter is the stream that is issuing the callback.
-  sigslot::signal3<const void *, size_t,
-      SoundInputStreamInterface *> SignalSamplesRead;
-
- protected:
-  SoundInputStreamInterface();
-
- private:
-  RTC_DISALLOW_COPY_AND_ASSIGN(SoundInputStreamInterface);
-};
-
-}  // namespace rtc
-
-#endif  // WEBRTC_SOUND_SOUNDINPUTSTREAMINTERFACE_H_