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