1 /* Copyright (C) 2002 Jean-Marc Valin */
4 @brief Variable Bit-Rate (VBR) related routines
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24 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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42 #define VBR_MEMORY_SIZE 5
44 extern const float vbr_nb_thresh[9][11];
45 extern const float vbr_hb_thresh[5][11];
46 extern const float vbr_uhb_thresh[2][11];
49 typedef struct VBRState {
53 float last_log_energy[VBR_MEMORY_SIZE];
55 float last_pitch_coef;
60 float noise_accum_count;
64 void vbr_init(VBRState *vbr);
66 float vbr_analysis(VBRState *vbr, spx_word16_t *sig, int len, int pitch, float pitch_coef);
68 void vbr_destroy(VBRState *vbr);