1 files changed, 63 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/pc/e2e/analyzer_helper.cc b/third_party/libwebrtc/test/pc/e2e/analyzer_helper.cc
new file mode 100644
index 0000000000..76cd9a7c78
--- /dev/null
+++ b/third_party/libwebrtc/test/pc/e2e/analyzer_helper.cc
@@ -0,0 +1,63 @@
+/*
+ *  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 "test/pc/e2e/analyzer_helper.h"
+
+#include <string>
+#include <utility>
+
+namespace webrtc {
+namespace webrtc_pc_e2e {
+
+AnalyzerHelper::AnalyzerHelper() {
+  signaling_sequence_checker_.Detach();
+}
+
+void AnalyzerHelper::AddTrackToStreamMapping(
+    absl::string_view track_id,
+    absl::string_view receiver_peer,
+    absl::string_view stream_label,
+    absl::optional<std::string> sync_group) {
+  RTC_DCHECK_RUN_ON(&signaling_sequence_checker_);
+  track_to_stream_map_.insert(
+      {std::string(track_id),
+       StreamInfo{.receiver_peer = std::string(receiver_peer),
+                  .stream_label = std::string(stream_label),
+                  .sync_group = sync_group.has_value()
+                                    ? *sync_group
+                                    : std::string(stream_label)}});
+}
+
+void AnalyzerHelper::AddTrackToStreamMapping(std::string track_id,
+                                             std::string stream_label) {
+  RTC_DCHECK_RUN_ON(&signaling_sequence_checker_);
+  track_to_stream_map_.insert(
+      {std::move(track_id), StreamInfo{stream_label, stream_label}});
+}
+
+void AnalyzerHelper::AddTrackToStreamMapping(std::string track_id,
+                                             std::string stream_label,
+                                             std::string sync_group) {
+  RTC_DCHECK_RUN_ON(&signaling_sequence_checker_);
+  track_to_stream_map_.insert(
+      {std::move(track_id),
+       StreamInfo{std::move(stream_label), std::move(sync_group)}});
+}
+
+AnalyzerHelper::StreamInfo AnalyzerHelper::GetStreamInfoFromTrackId(
+    absl::string_view track_id) const {
+  RTC_DCHECK_RUN_ON(&signaling_sequence_checker_);
+  auto track_to_stream_pair = track_to_stream_map_.find(std::string(track_id));
+  RTC_CHECK(track_to_stream_pair != track_to_stream_map_.end());
+  return track_to_stream_pair->second;
+}
+
+}  // namespace webrtc_pc_e2e
+}  // namespace webrtc