67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
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/*
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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 TEST_PC_E2E_ANALYZER_HELPER_H_
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#define TEST_PC_E2E_ANALYZER_HELPER_H_
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#include <map>
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#include <string>
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#include "absl/strings/string_view.h"
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#include "api/test/track_id_stream_info_map.h"
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#include "rtc_base/synchronization/sequence_checker.h"
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#include "rtc_base/thread_annotations.h"
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namespace webrtc {
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namespace webrtc_pc_e2e {
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// This class is a utility that provides bookkeeping capabilities that
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// are useful to associate stats reports track_ids to the remote stream info.
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// The framework will populate an instance of this class and it will pass
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// it to the Start method of Media Quality Analyzers.
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// An instance of AnalyzerHelper must only be accessed from a single
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// thread and since stats collection happens on the signaling thread,
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// AddTrackToStreamMapping, GetStreamLabelFromTrackId and
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// GetSyncGroupLabelFromTrackId must be invoked from the signaling thread. Get
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// methods should be invoked only after all data is added. Mixing Get methods
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// with adding new data may lead to undefined behaviour.
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class AnalyzerHelper : public TrackIdStreamInfoMap {
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public:
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AnalyzerHelper();
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void AddTrackToStreamMapping(std::string track_id, std::string stream_label);
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void AddTrackToStreamMapping(std::string track_id,
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std::string stream_label,
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std::string sync_group);
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absl::string_view GetStreamLabelFromTrackId(
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absl::string_view track_id) const override;
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absl::string_view GetSyncGroupLabelFromTrackId(
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absl::string_view track_id) const override;
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private:
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struct StreamInfo {
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std::string stream_label;
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std::string sync_group;
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};
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const StreamInfo& GetStreamInfoFromTrackId(absl::string_view track_id) const;
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SequenceChecker signaling_sequence_checker_;
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std::map<std::string, StreamInfo> track_to_stream_map_
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RTC_GUARDED_BY(signaling_sequence_checker_);
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};
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} // namespace webrtc_pc_e2e
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} // namespace webrtc
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#endif // TEST_PC_E2E_ANALYZER_HELPER_H_
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