| /* | 
 |  *  Copyright 2020 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. | 
 |  */ | 
 |  | 
 | // This file contains an interface for the (obsolete) StatsCollector class that | 
 | // is used by compilation units that do not wish to depend on the StatsCollector | 
 | // implementation. | 
 |  | 
 | #ifndef PC_LEGACY_STATS_COLLECTOR_INTERFACE_H_ | 
 | #define PC_LEGACY_STATS_COLLECTOR_INTERFACE_H_ | 
 |  | 
 | #include <stdint.h> | 
 |  | 
 | #include "api/legacy_stats_types.h" | 
 | #include "api/media_stream_interface.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | class LegacyStatsCollectorInterface { | 
 |  public: | 
 |   virtual ~LegacyStatsCollectorInterface() {} | 
 |  | 
 |   // Adds a local audio track that is used for getting some voice statistics. | 
 |   virtual void AddLocalAudioTrack(AudioTrackInterface* audio_track, | 
 |                                   uint32_t ssrc) = 0; | 
 |  | 
 |   // Removes a local audio tracks that is used for getting some voice | 
 |   // statistics. | 
 |   virtual void RemoveLocalAudioTrack(AudioTrackInterface* audio_track, | 
 |                                      uint32_t ssrc) = 0; | 
 |   virtual void GetStats(MediaStreamTrackInterface* track, | 
 |                         StatsReports* reports) = 0; | 
 | }; | 
 |  | 
 | }  // namespace webrtc | 
 |  | 
 | #endif  // PC_LEGACY_STATS_COLLECTOR_INTERFACE_H_ |