diff options
Diffstat (limited to 'third_party/libwebrtc/modules/audio_coding/codecs/ilbc/lsf_to_poly.h')
-rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/lsf_to_poly.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/lsf_to_poly.h b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/lsf_to_poly.h new file mode 100644 index 0000000000..f26d3a8d2d --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/lsf_to_poly.h @@ -0,0 +1,33 @@ +/* + * 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_Lsf2Poly.h + +******************************************************************/ + +#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_TO_POLY_H_ +#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_LSF_TO_POLY_H_ + +#include <stdint.h> + +/*----------------------------------------------------------------* + * Convert from LSF coefficients to A coefficients + *---------------------------------------------------------------*/ + +void WebRtcIlbcfix_Lsf2Poly( + int16_t* a, /* (o) predictor coefficients (order = 10) in Q12 */ + int16_t* lsf /* (i) line spectral frequencies in Q13 */ + ); + +#endif |