shithub: opus

ref: c1673fa9c6210c3797c8eb20004deb9e6360a41b
dir: /src/opus_decoder.h/

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/* Copyright (c) 2010 Xiph.Org Foundation
   Written by Jean-Marc Valin */
/*
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

   - Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef OPUS_DECODER_H
#define OPUS_DECODER_H

#include "celt.h"
#include "opus.h"

struct OpusDecoder {
	CELTDecoder *celt_dec;
	void        *silk_dec;
	int          channels;
	int          stream_channels;

    int          bandwidth;
    /* Sampling rate (at the API level) */
    int          Fs;
    int          mode;
    int          prev_mode;
    int          frame_size;
    int          prev_redundancy;

#ifdef OPUS_TEST_RANGE_CODER_STATE
    int          rangeFinal;
#endif
};

inline short ADD_SAT16(short a, short b) {
    int sum = a + b;
    return sum > 32767 ? 32767 : sum < -32768 ? -32768 : (short)sum;
};

#endif /* OPUS_DECODER_H */