1 /* (C) 2007-2008 Jean-Marc Valin, CSIRO
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35 #include "celt_types.h"
42 #define CELT_BITSTREAM_VERSION 0x80000007
45 #include "static_modes.h"
48 #define MAX_PERIOD 1024
51 # ifdef DISABLE_STEREO
52 # define CHANNELS(mode) (1)
54 # define CHANNELS(mode) ((mode)->nbChannels)
58 #define MDCT(mode) (&(mode)->mdct)
61 #define OVERLAP(mode) ((mode)->overlap)
65 #define FRAMESIZE(mode) ((mode)->mdctSize)
68 /** Mode definition (opaque)
69 @brief Mode definition
72 celt_uint32_t marker_start;
82 const celt_int16_t *eBands; /**< Definition for each "pseudo-critical band" */
83 const celt_int16_t *pBands; /**< Definition of the bands used for the pitch */
85 celt_word16_t ePredCoef;/**< Prediction coefficient for the energy encoding */
87 int nbAllocVectors; /**< Number of lines in the matrix below */
88 const celt_int16_t *allocVectors; /**< Number of bits in each band for several rates */
90 const celt_int16_t * const *bits; /**< Cache for pulses->bits mapping in each band */
92 /* Stuff that could go in the {en,de}coder, but we save space this way */
96 const celt_word16_t *window;
100 mdct_lookup shortMdct;
101 const celt_word16_t *shortWindow;
106 celt_uint32_t marker_end;
109 int check_mode(const CELTMode *mode);