/* * 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 #import "RTCMacros.h" NS_ASSUME_NONNULL_BEGIN RTC_EXTERN const NSString *const kRTCRtxCodecName; RTC_EXTERN const NSString *const kRTCRedCodecName; RTC_EXTERN const NSString *const kRTCUlpfecCodecName; RTC_EXTERN const NSString *const kRTCFlexfecCodecName; RTC_EXTERN const NSString *const kRTCOpusCodecName; RTC_EXTERN const NSString *const kRTCIsacCodecName; RTC_EXTERN const NSString *const kRTCL16CodecName; RTC_EXTERN const NSString *const kRTCG722CodecName; RTC_EXTERN const NSString *const kRTCIlbcCodecName; RTC_EXTERN const NSString *const kRTCPcmuCodecName; RTC_EXTERN const NSString *const kRTCPcmaCodecName; RTC_EXTERN const NSString *const kRTCDtmfCodecName; RTC_EXTERN const NSString *const kRTCComfortNoiseCodecName; RTC_EXTERN const NSString *const kRTCVp8CodecName; RTC_EXTERN const NSString *const kRTCVp9CodecName; RTC_EXTERN const NSString *const kRTCH264CodecName; /** Defined in http://w3c.github.io/webrtc-pc/#idl-def-RTC_OBJC_TYPE(RTCRtpCodecParameters) */ RTC_OBJC_EXPORT @interface RTC_OBJC_TYPE (RTCRtpCodecParameters) : NSObject /** The RTP payload type. */ @property(nonatomic, assign) int payloadType; /** * 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, nonnull) NSString *name; /** * The media type of this codec. Equivalent to MIME top-level type. * * Valid values are kRTCMediaStreamTrackKindAudio and * kRTCMediaStreamTrackKindVideo. */ @property(nonatomic, readonly, nonnull) NSString *kind; /** The codec clock rate expressed in Hertz. */ @property(nonatomic, readonly, nullable) NSNumber *clockRate; /** * The number of 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, nonnull) NSDictionary *parameters; - (instancetype)init NS_DESIGNATED_INITIALIZER; @end NS_ASSUME_NONNULL_END