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/*
* Copyright 2016 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
/** Corresponds to webrtc::Priority. */
typedef NS_ENUM(NSInteger, RTCPriority) {
RTCPriorityVeryLow,
RTCPriorityLow,
RTCPriorityMedium,
RTCPriorityHigh
};
RTC_OBJC_EXPORT
@interface RTC_OBJC_TYPE (RTCRtpEncodingParameters) : NSObject
/** The idenfifier for the encoding layer. This is used in simulcast. */
@property(nonatomic, copy, nullable) NSString *rid;
/** Controls whether the encoding is currently transmitted. */
@property(nonatomic, assign) BOOL isActive;
/** The maximum bitrate to use for the encoding, or nil if there is no
* limit.
*/
@property(nonatomic, copy, nullable) NSNumber *maxBitrateBps;
/** The minimum bitrate to use for the encoding, or nil if there is no
* limit.
*/
@property(nonatomic, copy, nullable) NSNumber *minBitrateBps;
/** The maximum framerate to use for the encoding, or nil if there is no
* limit.
*/
@property(nonatomic, copy, nullable) NSNumber *maxFramerate;
/** The requested number of temporal layers to use for the encoding, or nil
* if the default should be used.
*/
@property(nonatomic, copy, nullable) NSNumber *numTemporalLayers;
/** Scale the width and height down by this factor for video. If nil,
* implementation default scaling factor will be used.
*/
@property(nonatomic, copy, nullable) NSNumber *scaleResolutionDownBy;
/** The SSRC being used by this encoding. */
@property(nonatomic, readonly, nullable) NSNumber *ssrc;
/** The relative bitrate priority. */
@property(nonatomic, assign) double bitratePriority;
/** The relative DiffServ Code Point priority. */
@property(nonatomic, assign) RTCPriority networkPriority;
/** Allow dynamic frame length changes for audio:
@property(nonatomic, assign) BOOL adaptiveAudioPacketTime;
- (instancetype)init;
@end
NS_ASSUME_NONNULL_END