| /* | 
 |  *  Copyright 2017 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. | 
 |  */ | 
 |  | 
 | #ifndef PC_RTP_PARAMETERS_CONVERSION_H_ | 
 | #define PC_RTP_PARAMETERS_CONVERSION_H_ | 
 |  | 
 | #include <optional> | 
 | #include <vector> | 
 |  | 
 | #include "api/rtc_error.h" | 
 | #include "api/rtp_parameters.h" | 
 | #include "media/base/codec.h" | 
 | #include "media/base/stream_params.h" | 
 | #include "pc/session_description.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | //***************************************************************************** | 
 | // Functions for converting from old webrtc:: structures to new webrtc:: | 
 | // structures. These are permissive with regards to | 
 | // input validation; it's assumed that any necessary validation already | 
 | // occurred. | 
 | // | 
 | // These are expected to be used to convert from audio/video engine | 
 | // capabilities to RtpCapabilities. | 
 | //***************************************************************************** | 
 |  | 
 | // Returns empty value if `cricket_feedback` is a feedback type not | 
 | // supported/recognized. | 
 | std::optional<RtcpFeedback> ToRtcpFeedback( | 
 |     const FeedbackParam& cricket_feedback); | 
 |  | 
 | RtpCodecCapability ToRtpCodecCapability(const Codec& cricket_codec); | 
 |  | 
 | RtpCapabilities ToRtpCapabilities( | 
 |     const std::vector<Codec>& cricket_codecs, | 
 |     const RtpHeaderExtensions& cricket_extensions); | 
 |  | 
 | }  // namespace webrtc | 
 |  | 
 | #endif  // PC_RTP_PARAMETERS_CONVERSION_H_ |