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1 /* Copyright (c) 2007-2008 CSIRO
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2 Copyright (c) 2007-2009 Xiph.Org Foundation
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3 Copyright (c) 2008 Gregory Maxwell
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4 Written by Jean-Marc Valin and Gregory Maxwell */
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5 /*
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6 Redistribution and use in source and binary forms, with or without
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7 modification, are permitted provided that the following conditions
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8 are met:
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9
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10 - Redistributions of source code must retain the above copyright
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11 notice, this list of conditions and the following disclaimer.
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12
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13 - Redistributions in binary form must reproduce the above copyright
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14 notice, this list of conditions and the following disclaimer in the
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15 documentation and/or other materials provided with the distribution.
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16
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17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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18 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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21 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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22 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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23 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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24 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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25 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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26 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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27 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28 */
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29
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30 #ifndef MODES_H
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31 #define MODES_H
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32
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33 #include "opus_types.h"
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34 #include "celt.h"
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35 #include "arch.h"
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36 #include "mdct.h"
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37 #include "entenc.h"
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38 #include "entdec.h"
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39
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40 #define MAX_PERIOD 1024
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41
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42 typedef struct {
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43 int size;
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44 const opus_int16 *index;
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45 const unsigned char *bits;
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46 const unsigned char *caps;
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47 } PulseCache;
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48
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49 /** Mode definition (opaque)
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50 @brief Mode definition
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51 */
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52 struct OpusCustomMode {
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53 opus_int32 Fs;
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54 int overlap;
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55
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56 int nbEBands;
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57 int effEBands;
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58 opus_val16 preemph[4];
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59 const opus_int16 *eBands; /**< Definition for each "pseudo-critical band" */
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60
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61 int maxLM;
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62 int nbShortMdcts;
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63 int shortMdctSize;
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64
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65 int nbAllocVectors; /**< Number of lines in the matrix below */
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66 const unsigned char *allocVectors; /**< Number of bits in each band for several rates */
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67 const opus_int16 *logN;
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68
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69 const opus_val16 *window;
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70 mdct_lookup mdct;
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71 PulseCache cache;
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72 };
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73
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74
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75 #endif
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