1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video_codecs/scalability_mode.cc b/third_party/libwebrtc/api/video_codecs/scalability_mode.cc
new file mode 100644
index 0000000000..c449b4217e
--- /dev/null
+++ b/third_party/libwebrtc/api/video_codecs/scalability_mode.cc
@@ -0,0 +1,91 @@
+/*
+ *  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.
+ */
+
+#include "api/video_codecs/scalability_mode.h"
+
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+
+absl::string_view ScalabilityModeToString(ScalabilityMode scalability_mode) {
+  switch (scalability_mode) {
+    case ScalabilityMode::kL1T1:
+      return "L1T1";
+    case ScalabilityMode::kL1T2:
+      return "L1T2";
+    case ScalabilityMode::kL1T3:
+      return "L1T3";
+    case ScalabilityMode::kL2T1:
+      return "L2T1";
+    case ScalabilityMode::kL2T1h:
+      return "L2T1h";
+    case ScalabilityMode::kL2T1_KEY:
+      return "L2T1_KEY";
+    case ScalabilityMode::kL2T2:
+      return "L2T2";
+    case ScalabilityMode::kL2T2h:
+      return "L2T2h";
+    case ScalabilityMode::kL2T2_KEY:
+      return "L2T2_KEY";
+    case ScalabilityMode::kL2T2_KEY_SHIFT:
+      return "L2T2_KEY_SHIFT";
+    case ScalabilityMode::kL2T3:
+      return "L2T3";
+    case ScalabilityMode::kL2T3h:
+      return "L2T3h";
+    case ScalabilityMode::kL2T3_KEY:
+      return "L2T3_KEY";
+    case ScalabilityMode::kL3T1:
+      return "L3T1";
+    case ScalabilityMode::kL3T1h:
+      return "L3T1h";
+    case ScalabilityMode::kL3T1_KEY:
+      return "L3T1_KEY";
+    case ScalabilityMode::kL3T2:
+      return "L3T2";
+    case ScalabilityMode::kL3T2h:
+      return "L3T2h";
+    case ScalabilityMode::kL3T2_KEY:
+      return "L3T2_KEY";
+    case ScalabilityMode::kL3T3:
+      return "L3T3";
+    case ScalabilityMode::kL3T3h:
+      return "L3T3h";
+    case ScalabilityMode::kL3T3_KEY:
+      return "L3T3_KEY";
+    case ScalabilityMode::kS2T1:
+      return "S2T1";
+    case ScalabilityMode::kS2T1h:
+      return "S2T1h";
+    case ScalabilityMode::kS2T2:
+      return "S2T2";
+    case ScalabilityMode::kS2T2h:
+      return "S2T2h";
+    case ScalabilityMode::kS2T3:
+      return "S2T3";
+    case ScalabilityMode::kS2T3h:
+      return "S2T3h";
+    case ScalabilityMode::kS3T1:
+      return "S3T1";
+    case ScalabilityMode::kS3T1h:
+      return "S3T1h";
+    case ScalabilityMode::kS3T2:
+      return "S3T2";
+    case ScalabilityMode::kS3T2h:
+      return "S3T2h";
+    case ScalabilityMode::kS3T3:
+      return "S3T3";
+    case ScalabilityMode::kS3T3h:
+      return "S3T3h";
+  }
+  RTC_CHECK_NOTREACHED();
+}
+
+}  // namespace webrtc