1 /* Copyright (c) 2007-2008 CSIRO 2 Copyright (c) 2007-2009 Xiph.Org Foundation 3 Copyright (c) 2008 Gregory Maxwell 4 Written by Jean-Marc Valin and Gregory Maxwell */ 5 /* 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions 8 are met: 9 10 - Redistributions of source code must retain the above copyright 11 notice, this list of conditions and the following disclaimer. 12 13 - Redistributions in binary form must reproduce the above copyright 14 notice, this list of conditions and the following disclaimer in the 15 documentation and/or other materials provided with the distribution. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 21 OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 24 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 25 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 26 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 27 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef MODES_H 31 #define MODES_H 32 33 #include "opus_types.h" 34 #include "celt.h" 35 #include "arch.h" 36 #include "mdct.h" 37 #include "entenc.h" 38 #include "entdec.h" 39 40 #define MAX_PERIOD 1024 41 42 typedef struct { 43 int size; 44 const opus_int16 *index; 45 const unsigned char *bits; 46 const unsigned char *caps; 47 } PulseCache; 48 49 /** Mode definition (opaque) 50 @brief Mode definition 51 */ 52 struct OpusCustomMode { 53 opus_int32 Fs; 54 int overlap; 55 56 int nbEBands; 57 int effEBands; 58 opus_val16 preemph[4]; 59 const opus_int16 *eBands; /**< Definition for each "pseudo-critical band" */ 60 61 int maxLM; 62 int nbShortMdcts; 63 int shortMdctSize; 64 65 int nbAllocVectors; /**< Number of lines in the matrix below */ 66 const unsigned char *allocVectors; /**< Number of bits in each band for several rates */ 67 const opus_int16 *logN; 68 69 const opus_val16 *window; 70 mdct_lookup mdct; 71 PulseCache cache; 72 }; 73 74 75 #endif 76