Move definition of SpatialLayer to api/video_codecs/spatial_layer.h

Bug: webrtc:7660
Change-Id: I54009ebc5f65b6875a8c079ab5264e0c5ce9f654
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/181500
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31942}
diff --git a/api/video_codecs/spatial_layer.h b/api/video_codecs/spatial_layer.h
new file mode 100644
index 0000000..5a1b425
--- /dev/null
+++ b/api/video_codecs/spatial_layer.h
@@ -0,0 +1,32 @@
+/*
+ *  Copyright (c) 2020 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_SPATIAL_LAYER_H_
+#define API_VIDEO_CODECS_SPATIAL_LAYER_H_
+
+namespace webrtc {
+
+struct SpatialLayer {
+  bool operator==(const SpatialLayer& other) const;
+  bool operator!=(const SpatialLayer& other) const { return !(*this == other); }
+
+  unsigned short width;   // NOLINT(runtime/int)
+  unsigned short height;  // NOLINT(runtime/int)
+  float maxFramerate;     // fps.
+  unsigned char numberOfTemporalLayers;
+  unsigned int maxBitrate;     // kilobits/sec.
+  unsigned int targetBitrate;  // kilobits/sec.
+  unsigned int minBitrate;     // kilobits/sec.
+  unsigned int qpMax;          // minimum quality
+  bool active;                 // encoded and sent.
+};
+
+}  // namespace webrtc
+#endif  // API_VIDEO_CODECS_SPATIAL_LAYER_H_