| /* | 
 |  *  Copyright 2018 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. | 
 |  */ | 
 |  | 
 | #include "api/rtp_transceiver_interface.h" | 
 |  | 
 | #include "rtc_base/checks.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | RtpTransceiverInit::RtpTransceiverInit() = default; | 
 |  | 
 | RtpTransceiverInit::RtpTransceiverInit(const RtpTransceiverInit& rhs) = default; | 
 |  | 
 | RtpTransceiverInit::~RtpTransceiverInit() = default; | 
 |  | 
 | absl::optional<RtpTransceiverDirection> | 
 | RtpTransceiverInterface::fired_direction() const { | 
 |   return absl::nullopt; | 
 | } | 
 |  | 
 | RTCError RtpTransceiverInterface::SetCodecPreferences( | 
 |     rtc::ArrayView<RtpCodecCapability>) { | 
 |   RTC_NOTREACHED() << "Not implemented"; | 
 |   return {}; | 
 | } | 
 |  | 
 | std::vector<RtpCodecCapability> RtpTransceiverInterface::codec_preferences() | 
 |     const { | 
 |   return {}; | 
 | } | 
 |  | 
 | }  // namespace webrtc |