|  | /* | 
|  | *  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. | 
|  | */ | 
|  |  | 
|  | #include "api/media_types.h" | 
|  |  | 
|  | #include <string> | 
|  |  | 
|  | #include "rtc_base/checks.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | const char kMediaTypeVideo[] = "video"; | 
|  | const char kMediaTypeAudio[] = "audio"; | 
|  | const char kMediaTypeData[] = "data"; | 
|  |  | 
|  | std::string MediaTypeToString(MediaType type) { | 
|  | switch (type) { | 
|  | case MediaType::AUDIO: | 
|  | return kMediaTypeAudio; | 
|  | case MediaType::VIDEO: | 
|  | return kMediaTypeVideo; | 
|  | case MediaType::DATA: | 
|  | return kMediaTypeData; | 
|  | default: | 
|  | // Unsupported media stores the m=<mediatype> differently. | 
|  | RTC_DCHECK_NOTREACHED(); | 
|  | return ""; | 
|  | } | 
|  | RTC_CHECK_NOTREACHED(); | 
|  | } | 
|  |  | 
|  | }  // namespace webrtc |