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Diffstat (limited to 'webrtc/modules/video_coding/nack_fec_tables.h')
| -rw-r--r-- | webrtc/modules/video_coding/nack_fec_tables.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/webrtc/modules/video_coding/nack_fec_tables.h b/webrtc/modules/video_coding/nack_fec_tables.h new file mode 100644 index 0000000000..f9f5ad97ac --- /dev/null +++ b/webrtc/modules/video_coding/nack_fec_tables.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2011 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 WEBRTC_MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_ +#define WEBRTC_MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_ + +namespace webrtc { + +// Table for adjusting FEC rate for NACK/FEC protection method +// Table values are built as a sigmoid function, ranging from 0 to 100, based on +// the HybridNackTH values defined in media_opt_util.h. +const uint16_t VCMNackFecTable[100] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, + 1, 2, 2, 2, 3, 3, 4, 5, 6, 7, 9, 10, 12, 15, 18, + 21, 24, 28, 32, 37, 41, 46, 51, 56, 61, 66, 70, 74, 78, 81, + 84, 86, 89, 90, 92, 93, 95, 95, 96, 97, 97, 98, 98, 99, 99, + 99, 99, 99, 99, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, + 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, +}; + +} // namespace webrtc + +#endif // WEBRTC_MODULES_VIDEO_CODING_NACK_FEC_TABLES_H_ |