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* 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.
#include "common_types.h"
namespace webrtc {
class VideoEngine;
class WEBRTC_DLLEXPORT ViEEncryption {
// Factory for the ViEEncryption subā€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;
ViEEncryption() {}
virtual ~ViEEncryption() {}
} // namespace webrtc