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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/decoder_interpolate_lsf.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/decoder_interpolate_lsf.h b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/decoder_interpolate_lsf.h new file mode 100644 index 0000000000..40510007a9 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/decoder_interpolate_lsf.h @@ -0,0 +1,41 @@ +/* + * 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_DecoderInterpolateLsp.h + +******************************************************************/ + +#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_DECODER_INTERPOLATE_LSF_H_ +#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_DECODER_INTERPOLATE_LSF_H_ + +#include <stddef.h> +#include <stdint.h> + +#include "modules/audio_coding/codecs/ilbc/defines.h" + +/*----------------------------------------------------------------* + * obtain synthesis and weighting filters form lsf coefficients + *---------------------------------------------------------------*/ + +void WebRtcIlbcfix_DecoderInterpolateLsp( + int16_t* syntdenum, /* (o) synthesis filter coefficients */ + int16_t* weightdenum, /* (o) weighting denumerator + coefficients */ + int16_t* lsfdeq, /* (i) dequantized lsf coefficients */ + int16_t length, /* (i) length of lsf coefficient vector */ + IlbcDecoder* iLBCdec_inst + /* (i) the decoder state structure */ +); + +#endif |