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/*
* Copyright 2024 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"
NS_ASSUME_NONNULL_BEGIN
RTC_OBJC_EXPORT
@interface RTC_OBJC_TYPE (RTCRtpCodecCapability) : NSObject
/** The preferred RTP payload type. */
@property(nonatomic, readonly, nullable) NSNumber *preferredPayloadType;
/**
* The codec MIME subtype. Valid types are listed in:
* http://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml#rtp-parameters-2
*
* Several supported types are represented by the constants above.
*/
@property(nonatomic, readonly) NSString *name;
/**
* The media type of this codec. Equivalent to MIME top-level type.
*
* Valid values are kRTCMediaStreamTrackKindAudio and
* kRTCMediaStreamTrackKindVideo.
*/
@property(nonatomic, readonly) NSString *kind;
/** The codec clock rate expressed in Hertz. */
@property(nonatomic, readonly, nullable) NSNumber *clockRate;
/**
* The number of audio channels (mono=1, stereo=2).
* Set to null for video codecs.
**/
@property(nonatomic, readonly, nullable) NSNumber *numChannels;
/** The "format specific parameters" field from the "a=fmtp" line in the SDP */
@property(nonatomic, readonly) NSDictionary<NSString *, NSString *> *parameters;
/** The MIME type of the codec. */
@property(nonatomic, readonly) NSString *mimeType;
- (instancetype)init NS_UNAVAILABLE;
@end
NS_ASSUME_NONNULL_END
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