| /* |
| * 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. |
| */ |
| |
| /****************************************************************** |
| |
| iLBC Speech Coder ANSI-C Source Code |
| |
| WebRtcIlbcfix_Poly2Lsf.c |
| |
| ******************************************************************/ |
| |
| #include "modules/audio_coding/codecs/ilbc/defines.h" |
| #include "modules/audio_coding/codecs/ilbc/constants.h" |
| #include "modules/audio_coding/codecs/ilbc/poly_to_lsp.h" |
| #include "modules/audio_coding/codecs/ilbc/lsp_to_lsf.h" |
| |
| void WebRtcIlbcfix_Poly2Lsf( |
| int16_t *lsf, /* (o) lsf coefficients (Q13) */ |
| int16_t *a /* (i) A coefficients (Q12) */ |
| ) { |
| int16_t lsp[10]; |
| WebRtcIlbcfix_Poly2Lsp(a, lsp, (int16_t*)WebRtcIlbcfix_kLspMean); |
| WebRtcIlbcfix_Lsp2Lsf(lsp, lsf, 10); |
| } |