webrtc/sdk/objc/api/peerconnection/RTCRtpParameters.h
Mirta Dvornicic 75b58972cb Allow nil degradationPreference in RTCRtpParameters.
Bug: None
Change-Id: Ibc53d2ded5ef25460e647752d112651858228422
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/164535
Reviewed-by: Anders Carlsson <andersc@webrtc.org>
Commit-Queue: Mirta Dvornicic <mirtad@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30169}
2020-01-07 15:28:23 +00:00

57 lines
1.9 KiB
Objective-C

/*
* 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 "RTCMacros.h"
#import "RTCRtcpParameters.h"
#import "RTCRtpCodecParameters.h"
#import "RTCRtpEncodingParameters.h"
#import "RTCRtpHeaderExtension.h"
NS_ASSUME_NONNULL_BEGIN
/** Corresponds to webrtc::DegradationPreference. */
typedef NS_ENUM(NSInteger, RTCDegradationPreference) {
RTCDegradationPreferenceDisabled,
RTCDegradationPreferenceMaintainFramerate,
RTCDegradationPreferenceMaintainResolution,
RTCDegradationPreferenceBalanced
};
RTC_OBJC_EXPORT
@interface RTCRtpParameters : NSObject
/** A unique identifier for the last set of parameters applied. */
@property(nonatomic, copy) NSString *transactionId;
/** Parameters used for RTCP. */
@property(nonatomic, readonly, copy) RTCRtcpParameters *rtcp;
/** An array containing parameters for RTP header extensions. */
@property(nonatomic, readonly, copy) NSArray<RTCRtpHeaderExtension *> *headerExtensions;
/** The currently active encodings in the order of preference. */
@property(nonatomic, copy) NSArray<RTCRtpEncodingParameters *> *encodings;
/** The negotiated set of send codecs in order of preference. */
@property(nonatomic, copy) NSArray<RTCRtpCodecParameters *> *codecs;
/**
* Degradation preference in case of CPU adaptation or constrained bandwidth.
* If nil, implementation default degradation preference will be used.
*/
@property(nonatomic, copy, nullable) NSNumber *degradationPreference;
- (instancetype)init NS_DESIGNATED_INITIALIZER;
@end
NS_ASSUME_NONNULL_END