112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
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/* (C) 2007-2008 Jean-Marc Valin, CSIRO
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*/
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/*
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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 the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written 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 FOUNDATION OR
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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 "celt_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 "psy.h"
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#include "pitch.h"
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#define CELT_BITSTREAM_VERSION 0x80000009
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#ifdef STATIC_MODES
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#include "static_modes.h"
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#endif
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#define MAX_PERIOD 1024
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#ifndef CHANNELS
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# ifdef DISABLE_STEREO
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# define CHANNELS(mode) (1)
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# else
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# define CHANNELS(mode) ((mode)->nbChannels)
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# endif
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#endif
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#define MDCT(mode) (&(mode)->mdct)
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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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/** Mode definition (opaque)
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@brief Mode definition
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*/
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struct CELTMode {
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celt_uint32_t marker_start;
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celt_int32_t Fs;
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int overlap;
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int mdctSize;
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int nbChannels;
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int nbEBands;
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int nbPBands;
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int pitchEnd;
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const celt_int16_t *eBands; /**< Definition for each "pseudo-critical band" */
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const celt_int16_t *pBands; /**< Definition of the bands used for the pitch */
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celt_word16_t ePredCoef;/**< Prediction coefficient for the energy encoding */
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int nbAllocVectors; /**< Number of lines in the matrix below */
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const celt_int16_t *allocVectors; /**< Number of bits in each band for several rates */
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const celt_int16_t * const *bits; /**< Cache for pulses->bits mapping in each band */
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/* Stuff that could go in the {en,de}coder, but we save space this way */
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mdct_lookup mdct;
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kiss_fftr_cfg fft;
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const celt_word16_t *window;
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int nbShortMdcts;
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int shortMdctSize;
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mdct_lookup shortMdct;
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const celt_word16_t *shortWindow;
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struct PsyDecay psy;
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int *prob;
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celt_uint32_t marker_end;
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};
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int check_mode(const CELTMode *mode);
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#endif
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