syncable.h 1.5 KB

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  1. /*
  2. * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
  3. *
  4. * Use of this source code is governed by a BSD-style license
  5. * that can be found in the LICENSE file in the root of the source
  6. * tree. An additional intellectual property rights grant can be found
  7. * in the file PATENTS. All contributing project authors may
  8. * be found in the AUTHORS file in the root of the source tree.
  9. */
  10. // Syncable is used by RtpStreamsSynchronizer in VideoReceiveStream, and
  11. // implemented by AudioReceiveStream.
  12. #ifndef CALL_SYNCABLE_H_
  13. #define CALL_SYNCABLE_H_
  14. #include <stdint.h>
  15. #include "absl/types/optional.h"
  16. namespace webrtc {
  17. class Syncable {
  18. public:
  19. struct Info {
  20. int64_t latest_receive_time_ms = 0;
  21. uint32_t latest_received_capture_timestamp = 0;
  22. uint32_t capture_time_ntp_secs = 0;
  23. uint32_t capture_time_ntp_frac = 0;
  24. uint32_t capture_time_source_clock = 0;
  25. int current_delay_ms = 0;
  26. };
  27. virtual ~Syncable();
  28. virtual uint32_t id() const = 0;
  29. virtual absl::optional<Info> GetInfo() const = 0;
  30. virtual bool GetPlayoutRtpTimestamp(uint32_t* rtp_timestamp,
  31. int64_t* time_ms) const = 0;
  32. virtual bool SetMinimumPlayoutDelay(int delay_ms) = 0;
  33. virtual void SetEstimatedPlayoutNtpTimestampMs(int64_t ntp_timestamp_ms,
  34. int64_t time_ms) = 0;
  35. };
  36. } // namespace webrtc
  37. #endif // CALL_SYNCABLE_H_