third_party/libwebrtc/modules/video_coding/rtp_frame_id_only_ref_finder.h

   1 /*
   2  *  Copyright (c) 2020 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
  11 #ifndef MODULES_VIDEO_CODING_RTP_FRAME_ID_ONLY_REF_FINDER_H_
  12 #define MODULES_VIDEO_CODING_RTP_FRAME_ID_ONLY_REF_FINDER_H_
  13
  14 #include <memory>
  15
  16 #include "absl/container/inlined_vector.h"
  17 #include "modules/rtp_rtcp/source/frame_object.h"
  18 #include "modules/video_coding/rtp_frame_reference_finder.h"
  19 #include "rtc_base/numerics/sequence_number_unwrapper.h"
  20
  21 namespace webrtc {
  22
  23 class RtpFrameIdOnlyRefFinder {
  24  public:
  25   RtpFrameIdOnlyRefFinder() = default;
  26
  27   RtpFrameReferenceFinder::ReturnVector ManageFrame(
  28       std::unique_ptr<RtpFrameObject> frame,
  29       int frame_id);
  30
  31  private:
  32   static constexpr int kFrameIdLength = 1 << 15;
  33   SeqNumUnwrapper<uint16_t, kFrameIdLength> unwrapper_;
  34 };
  35
  36 }  // namespace webrtc
  37
  38 #endif  // MODULES_VIDEO_CODING_RTP_FRAME_ID_ONLY_REF_FINDER_H_