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