BUG=1662 R=mflodman@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1492004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4056 4adac7df-926f-26a2-2b94-8c16560cd09d
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
|
||
* Copyright (c) 2011 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.
|
||
*/
|
||
|
||
// This sub-API supports the following functionalities:
|
||
// - External encryption and decryption.
|
||
|
||
#ifndef WEBRTC_VIDEO_ENGINE_INCLUDE_VIE_ENCRYPTION_H_
|
||
#define WEBRTC_VIDEO_ENGINE_INCLUDE_VIE_ENCRYPTION_H_
|
||
|
||
#include "webrtc/common_types.h"
|
||
|
||
namespace webrtc {
|
||
class VideoEngine;
|
||
|
||
class WEBRTC_DLLEXPORT ViEEncryption {
|
||
public:
|
||
// Factory for the ViEEncryption sub‐API and increases an internal reference
|
||
// counter if successful. Returns NULL if the API is not supported or if
|
||
// construction fails.
|
||
static ViEEncryption* GetInterface(VideoEngine* video_engine);
|
||
|
||
// Releases the ViEEncryption sub-API and decreases an internal reference
|
||
// counter.
|
||
// Returns the new reference count. This value should be zero
|
||
// for all sub-API:s before the VideoEngine object can be safely deleted.
|
||
virtual int Release() = 0;
|
||
|
||
// This function registers a encryption derived instance and enables
|
||
// external encryption for the specified channel.
|
||
virtual int RegisterExternalEncryption(const int video_channel,
|
||
Encryption& encryption) = 0;
|
||
|
||
// This function deregisters a registered encryption derived instance
|
||
// and disables external encryption.
|
||
virtual int DeregisterExternalEncryption(const int video_channel) = 0;
|
||
|
||
protected:
|
||
ViEEncryption() {}
|
||
virtual ~ViEEncryption() {}
|
||
};
|
||
|
||
} // namespace webrtc
|
||
|
||
#endif // WEBRTC_VIDEO_ENGINE_INCLUDE_VIE_ENCRYPTION_H_
|