1 /*
2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_COMMON_TYPES_H_
12 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_COMMON_TYPES_H_
13 
14 #include "webrtc/common_types.h"
15 
16 namespace webrtc {
17 
18 // Ratio allocation between temporal streams:
19 // Values as required for the VP8 codec (accumulating).
20 static const float
21     kVp8LayerRateAlloction[kMaxTemporalStreams][kMaxTemporalStreams] = {
22         {1.0f, 1.0f, 1.0f, 1.0f},  // 1 layer
23         {0.6f, 1.0f, 1.0f, 1.0f},  // 2 layers {60%, 40%}
24         {0.4f, 0.6f, 1.0f, 1.0f},  // 3 layers {40%, 20%, 40%}
25         {0.25f, 0.4f, 0.6f, 1.0f}  // 4 layers {25%, 15%, 20%, 40%}
26 };
27 
28 }  // namespace webrtc
29 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_INCLUDE_VP8_COMMON_TYPES_H_
30