webrtc_m130/modules/video_coding/utility/decoded_frames_history.h
philipel f109193fba Remove VideoLayerFrameId::spatial_layer, use EncodedImage::SpatialIndex instead.
Next step is to replace VideoLayerFrameId with int64_t.

Bug: webrtc:12206
Change-Id: I414f491e383acf7f8efd97f7bf93dc55a5194fbf
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/206804
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33245}
2021-02-12 11:16:23 +00:00

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1.7 KiB
C++

/*
* Copyright (c) 2019 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.
*/
#ifndef MODULES_VIDEO_CODING_UTILITY_DECODED_FRAMES_HISTORY_H_
#define MODULES_VIDEO_CODING_UTILITY_DECODED_FRAMES_HISTORY_H_
#include <stdint.h>
#include <bitset>
#include <vector>
#include "absl/types/optional.h"
#include "api/video/encoded_frame.h"
namespace webrtc {
namespace video_coding {
class DecodedFramesHistory {
public:
// window_size - how much frames back to the past are actually remembered.
explicit DecodedFramesHistory(size_t window_size);
~DecodedFramesHistory();
// Called for each decoded frame. Assumes picture id's are non-decreasing.
void InsertDecoded(const VideoLayerFrameId& frameid, uint32_t timestamp);
// Query if the following (picture_id, spatial_id) pair was inserted before.
// Should be at most less by window_size-1 than the last inserted picture id.
bool WasDecoded(const VideoLayerFrameId& frameid);
void Clear();
absl::optional<VideoLayerFrameId> GetLastDecodedFrameId();
absl::optional<uint32_t> GetLastDecodedFrameTimestamp();
private:
int PictureIdToIndex(int64_t frame_id) const;
std::vector<bool> buffer_;
absl::optional<int64_t> last_picture_id_;
absl::optional<VideoLayerFrameId> last_decoded_frame_;
absl::optional<uint32_t> last_decoded_frame_timestamp_;
};
} // namespace video_coding
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_UTILITY_DECODED_FRAMES_HISTORY_H_