/* * Copyright (c) 2001-2003 The FFmpeg project * * This file is part of FFmpeg. * * 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. * * 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * ADPCM encoder/decoder common header. */ #ifndef AVCODEC_ADPCM_H#define AVCODEC_ADPCM_H #include <stdint.h> typedef struct ADPCMChannelStatus {    int predictor;    int16_t step_index;    int step;    /* for encoding */    int prev_sample;     /* MS version */    int sample1;    int sample2;    int coeff1;    int coeff2;    int idelta;} ADPCMChannelStatus; int16_t ff_adpcm_argo_expand_nibble(ADPCMChannelStatus *cs, int nibble, int shift, int flag); #endif /* AVCODEC_ADPCM_H */