| /* | 
 |  *  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. | 
 |  */ | 
 |  | 
 | #ifndef API_MEDIA_TYPES_H_ | 
 | #define API_MEDIA_TYPES_H_ | 
 |  | 
 | #include <string> | 
 |  | 
 | #include "rtc_base/system/rtc_export.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | enum class MediaType { | 
 |   AUDIO, | 
 |   VIDEO, | 
 |   DATA, | 
 |   UNSUPPORTED, | 
 |   ANY, | 
 | }; | 
 |  | 
 | RTC_EXPORT std::string MediaTypeToString(MediaType type); | 
 |  | 
 | template <typename Sink> | 
 | void AbslStringify(Sink& sink, MediaType type) { | 
 |   sink.Append(MediaTypeToString(type)); | 
 | } | 
 |  | 
 | extern const char kMediaTypeAudio[]; | 
 | extern const char kMediaTypeVideo[]; | 
 | extern const char kMediaTypeData[]; | 
 |  | 
 | }  // namespace webrtc | 
 |  | 
 | #endif  // API_MEDIA_TYPES_H_ |