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_NACK_FEC_TABLES_H_ 12 #define WEBRTC_MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_ 13 14 namespace webrtc { 15 16 // Table for adjusting FEC rate for NACK/FEC protection method 17 // Table values are built as a sigmoid function, ranging from 0 to 100, based on 18 // the HybridNackTH values defined in media_opt_util.h. 19 const uint16_t VCMNackFecTable[100] = { 20 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 21 1, 2, 2, 2, 3, 3, 4, 5, 6, 7, 9, 10, 12, 15, 18, 22 21, 24, 28, 32, 37, 41, 46, 51, 56, 61, 66, 70, 74, 78, 81, 23 84, 86, 89, 90, 92, 93, 95, 95, 96, 97, 97, 98, 98, 99, 99, 24 99, 99, 99, 99, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 25 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 26 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 27 }; 28 29 } // namespace webrtc 30 31 #endif // WEBRTC_MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_ 32
