chromium/third_party/webrtc/test/pc/e2e/analyzer/video/default_video_quality_analyzer_stream_state.h

/*
 *  Copyright (c) 2022 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 TEST_PC_E2E_ANALYZER_VIDEO_DEFAULT_VIDEO_QUALITY_ANALYZER_STREAM_STATE_H_
#define TEST_PC_E2E_ANALYZER_VIDEO_DEFAULT_VIDEO_QUALITY_ANALYZER_STREAM_STATE_H_

#include <limits>
#include <set>
#include <unordered_map>

#include "absl/types/optional.h"
#include "api/units/timestamp.h"
#include "system_wrappers/include/clock.h"
#include "test/pc/e2e/analyzer/video/dvqa/pausable_state.h"
#include "test/pc/e2e/analyzer/video/multi_reader_queue.h"

namespace webrtc {

// Represents a current state of video stream inside
// DefaultVideoQualityAnalyzer.
//
// Maintains the sequence of frames for each video stream and keeps track about
// which frames were seen by each of the possible stream receiver.
//
// Keeps information about which frames are alive and which are dead. Frame is
// alive if it contains VideoFrame payload for corresponding FrameInFlight
// object inside DefaultVideoQualityAnalyzer, otherwise frame is considered
// dead.
//
// Supports peer indexes from 0 to max(size_t) - 1.
class StreamState { … };

}  // namespace webrtc

#endif  // TEST_PC_E2E_ANALYZER_VIDEO_DEFAULT_VIDEO_QUALITY_ANALYZER_STREAM_STATE_H_