blob: 06008dc22ec9a486da04b3035d4411f1eea4d549 [file] [log] [blame]
* 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.
#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 {
// window_size - how much frames back to the past are actually remembered.
explicit DecodedFramesHistory(size_t window_size);
// Called for each decoded frame. Assumes frame id's are non-decreasing.
void InsertDecoded(int64_t frame_id, uint32_t timestamp);
// Query if the following (frame_id, spatial_id) pair was inserted before.
// Should be at most less by window_size-1 than the last inserted frame id.
bool WasDecoded(int64_t frame_id);
void Clear();
absl::optional<int64_t> GetLastDecodedFrameId();
absl::optional<uint32_t> GetLastDecodedFrameTimestamp();
int FrameIdToIndex(int64_t frame_id) const;
std::vector<bool> buffer_;
absl::optional<int64_t> last_frame_id_;
absl::optional<int64_t> last_decoded_frame_;
absl::optional<uint32_t> last_decoded_frame_timestamp_;
} // namespace video_coding
} // namespace webrtc