New enum ScalabilityMode.
Used instead of string representation in lower-levels of encoder configuration, to avoid string comparisons (with risk of misspelling) in lots of places.
Bug: webrtc:11607
Change-Id: I4d51c2265aac297c29976d2aa601d8ffb33b7326
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259870
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36706}
diff --git a/api/video_codecs/scalability_mode.h b/api/video_codecs/scalability_mode.h
new file mode 100644
index 0000000..e5809ed
--- /dev/null
+++ b/api/video_codecs/scalability_mode.h
@@ -0,0 +1,40 @@
+/*
+ * 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 API_VIDEO_CODECS_SCALABILITY_MODE_H_
+#define API_VIDEO_CODECS_SCALABILITY_MODE_H_
+
+namespace webrtc {
+
+// Supported scalability modes. Most applications should use the
+// PeerConnection-level apis where scalability mode is represented as a string.
+// This list of currently recognized modes is intended for the api boundary
+// between webrtc and injected encoders. Any application usage outside of
+// injected encoders is strongly discouraged.
+enum class ScalabilityMode {
+ kL1T1,
+ kL1T2,
+ kL1T3,
+ kL2T1,
+ kL2T1h,
+ kL2T1_KEY,
+ kL2T2,
+ kL2T2_KEY,
+ kL2T2_KEY_SHIFT,
+ kL2T3_KEY,
+ kL3T1,
+ kL3T3,
+ kL3T3_KEY,
+ kS2T1,
+ kS3T3,
+};
+
+} // namespace webrtc
+#endif // API_VIDEO_CODECS_SCALABILITY_MODE_H_