|  | /* | 
|  | *  Copyright 2017 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. | 
|  | */ | 
|  |  | 
|  | #import <Foundation/Foundation.h> | 
|  |  | 
|  | #import "sdk/objc/base/RTCMacros.h" | 
|  |  | 
|  | NS_ASSUME_NONNULL_BEGIN | 
|  |  | 
|  | /** Implement this protocol to pass codec specific info from the encoder. | 
|  | *  Corresponds to webrtc::CodecSpecificInfo. | 
|  | */ | 
|  | RTC_OBJC_EXPORT | 
|  | @protocol RTC_OBJC_TYPE | 
|  | (RTCCodecSpecificInfo)<NSObject> @end | 
|  |  | 
|  | NS_ASSUME_NONNULL_END |