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7de81e2717
Bug: webrtc:13343 Change-Id: I3f4e015e683f4003bb038424646cb51ae26c76fa Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/236848 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Evan Shrubsole <eshr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35329}
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_VIDEO_CODING_UTILITY_DECODED_FRAMES_HISTORY_H_
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#define MODULES_VIDEO_CODING_UTILITY_DECODED_FRAMES_HISTORY_H_
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#include <stdint.h>
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#include <bitset>
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#include <vector>
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#include "absl/types/optional.h"
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#include "api/video/encoded_frame.h"
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namespace webrtc {
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namespace video_coding {
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class DecodedFramesHistory {
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public:
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// window_size - how much frames back to the past are actually remembered.
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explicit DecodedFramesHistory(size_t window_size);
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~DecodedFramesHistory();
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// Called for each decoded frame. Assumes frame id's are non-decreasing.
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void InsertDecoded(int64_t frame_id, uint32_t timestamp);
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// Query if the following (frame_id, spatial_id) pair was inserted before.
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// Should be at most less by window_size-1 than the last inserted frame id.
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bool WasDecoded(int64_t frame_id) const;
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void Clear();
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absl::optional<int64_t> GetLastDecodedFrameId() const;
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absl::optional<uint32_t> GetLastDecodedFrameTimestamp() const;
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private:
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int FrameIdToIndex(int64_t frame_id) const;
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std::vector<bool> buffer_;
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absl::optional<int64_t> last_frame_id_;
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absl::optional<int64_t> last_decoded_frame_;
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absl::optional<uint32_t> last_decoded_frame_timestamp_;
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};
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} // namespace video_coding
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_UTILITY_DECODED_FRAMES_HISTORY_H_
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