Let PCF.GetRtpSenderCapabilities return codecs' scalabilityModes.
Also move ScalabilityModeToString to api and add RTC_EXPORT so that
Chromium can use it.
Bug: chromium:986069
Change-Id: I5dbbb6de9b14ca20f3ae0630552dcd44595ad5ef
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267780
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com>
Cr-Commit-Position: refs/heads/main@{#37444}
diff --git a/api/video_codecs/scalability_mode.cc b/api/video_codecs/scalability_mode.cc
new file mode 100644
index 0000000..7dc8fe3
--- /dev/null
+++ b/api/video_codecs/scalability_mode.cc
@@ -0,0 +1,77 @@
+/*
+ * 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::kL1T2h:
+ return "L1T2h";
+ case ScalabilityMode::kL1T3:
+ return "L1T3";
+ case ScalabilityMode::kL1T3h:
+ return "L1T3h";
+ 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::kS2T3:
+ return "S2T3";
+ case ScalabilityMode::kS3T3:
+ return "S3T3";
+ }
+ RTC_CHECK_NOTREACHED();
+}
+
+} // namespace webrtc