diff options
Diffstat (limited to 'libavcodec/lpc.h')
| -rw-r--r-- | libavcodec/lpc.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libavcodec/lpc.h b/libavcodec/lpc.h index 642854c59a..96acb37146 100644 --- a/libavcodec/lpc.h +++ b/libavcodec/lpc.h @@ -2,20 +2,20 @@ * LPC utility code * Copyright (c) 2006 Justin Ruggles <justin.ruggles@gmail.com> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -23,6 +23,8 @@ #define AVCODEC_LPC_H #include <stdint.h> +#include "libavutil/avassert.h" +#include "libavutil/lls.h" #define ORDER_METHOD_EST 0 #define ORDER_METHOD_2LEVEL 1 @@ -66,7 +68,7 @@ typedef struct LPCContext { /** * Perform autocorrelation on input samples with delay of 0 to lag. * @param data input samples. - * constraints: no alignment needed, but must have have at + * constraints: no alignment needed, but must have at * least lag*sizeof(double) valid bytes preceding it, and * size must be at least (len+1)*sizeof(double) if data is * 16-byte aligned or (len+2)*sizeof(double) if data is @@ -78,6 +80,9 @@ typedef struct LPCContext { */ void (*lpc_compute_autocorr)(const double *data, int len, int lag, double *autoc); + + // TODO: these should be allocated to reduce ABI compatibility issues + LLSModel lls_models[2]; } LPCContext; @@ -155,6 +160,8 @@ static inline int compute_lpc_coefs(const LPC_TYPE *autoc, int max_order, LPC_TYPE err = 0; LPC_TYPE *lpc_last = lpc; + av_assert2(normalize || !fail); + if (normalize) err = *autoc++; |