зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
2.8 KiB
C
92 строки
2.8 KiB
C
/* Copyright (c) 2007-2012 IETF Trust, CSIRO, Xiph.Org Foundation,
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Gregory Maxwell. All rights reserved.
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Written by Jean-Marc Valin and Gregory Maxwell */
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/*
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This file is extracted from RFC6716. Please see that RFC for additional
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information.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Internet Society, IETF or IETF Trust, nor the
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names of specific contributors, may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef MODES_H
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#define MODES_H
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#include "opus_types.h"
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#include "celt.h"
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#include "arch.h"
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#include "mdct.h"
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#include "entenc.h"
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#include "entdec.h"
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#define MAX_PERIOD 1024
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#ifndef OVERLAP
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#define OVERLAP(mode) ((mode)->overlap)
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#endif
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#ifndef FRAMESIZE
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#define FRAMESIZE(mode) ((mode)->mdctSize)
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#endif
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typedef struct {
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int size;
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const opus_int16 *index;
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const unsigned char *bits;
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const unsigned char *caps;
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} PulseCache;
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/** Mode definition (opaque)
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@brief Mode definition
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*/
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struct OpusCustomMode {
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opus_int32 Fs;
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int overlap;
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int nbEBands;
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int effEBands;
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opus_val16 preemph[4];
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const opus_int16 *eBands; /**< Definition for each "pseudo-critical band" */
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int maxLM;
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int nbShortMdcts;
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int shortMdctSize;
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int nbAllocVectors; /**< Number of lines in the matrix below */
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const unsigned char *allocVectors; /**< Number of bits in each band for several rates */
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const opus_int16 *logN;
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const opus_val16 *window;
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mdct_lookup mdct;
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PulseCache cache;
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};
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#endif
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