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00036 #ifndef MODES_H
00037 #define MODES_H
00038
00039 #include <speex/speex.h>
00040 #include <speex/speex_bits.h>
00041 #include "misc.h"
00042
00043 #define NB_SUBMODES 16
00044 #define NB_SUBMODE_BITS 4
00045
00046 #define SB_SUBMODES 8
00047 #define SB_SUBMODE_BITS 3
00048
00049
00051 typedef void (*lsp_quant_func)(spx_lsp_t *, spx_lsp_t *, int, SpeexBits *);
00052
00054 typedef void (*lsp_unquant_func)(spx_lsp_t *, int, SpeexBits *);
00055
00056
00058 typedef int (*ltp_quant_func)(spx_sig_t *, spx_sig_t *, spx_coef_t *, spx_coef_t *,
00059 spx_coef_t *, spx_sig_t *, const void *, int, int, spx_word16_t,
00060 int, int, SpeexBits*, char *, spx_sig_t *, spx_sig_t *, int, int);
00061
00063 typedef void (*ltp_unquant_func)(spx_sig_t *, int, int, spx_word16_t, const void *, int, int *,
00064 spx_word16_t *, SpeexBits*, char*, int, int, spx_word16_t, int);
00065
00066
00068 typedef void (*innovation_quant_func)(spx_sig_t *, spx_coef_t *, spx_coef_t *, spx_coef_t *, const void *, int, int,
00069 spx_sig_t *, spx_sig_t *, SpeexBits *, char *, int);
00070
00072 typedef void (*innovation_unquant_func)(spx_sig_t *, const void *, int, SpeexBits*, char *);
00073
00075 typedef struct SpeexSubmode {
00076 int lbr_pitch;
00077 int forced_pitch_gain;
00078 int have_subframe_gain;
00079 int double_codebook;
00080
00081 lsp_quant_func lsp_quant;
00082 lsp_unquant_func lsp_unquant;
00084
00085 ltp_quant_func ltp_quant;
00086 ltp_unquant_func ltp_unquant;
00087 const void *ltp_params;
00089
00090 innovation_quant_func innovation_quant;
00091 innovation_unquant_func innovation_unquant;
00092 const void *innovation_params;
00094
00095 spx_word16_t lpc_enh_k1;
00096 spx_word16_t lpc_enh_k2;
00097 spx_word16_t lpc_enh_k3;
00098 spx_word16_t comb_gain;
00100 int bits_per_frame;
00101 } SpeexSubmode;
00102
00104 typedef struct SpeexNBMode {
00105 int frameSize;
00106 int subframeSize;
00107 int lpcSize;
00108 int bufSize;
00109 int pitchStart;
00110 int pitchEnd;
00112 spx_word16_t gamma1;
00113 spx_word16_t gamma2;
00114 float lag_factor;
00115 float lpc_floor;
00117 #ifdef EPIC_48K
00118 int lbr48k;
00119 #endif
00120
00121 const SpeexSubmode *submodes[NB_SUBMODES];
00122 int defaultSubmode;
00123 int quality_map[11];
00124 } SpeexNBMode;
00125
00126
00128 typedef struct SpeexSBMode {
00129 const SpeexMode *nb_mode;
00130 int frameSize;
00131 int subframeSize;
00132 int lpcSize;
00133 int bufSize;
00134 spx_word16_t gamma1;
00135 spx_word16_t gamma2;
00136 float lag_factor;
00137 float lpc_floor;
00138 float folding_gain;
00139
00140 const SpeexSubmode *submodes[SB_SUBMODES];
00141 int defaultSubmode;
00142 int low_quality_map[11];
00143 int quality_map[11];
00144 const float (*vbr_thresh)[11];
00145 int nb_modes;
00146 } SpeexSBMode;
00147
00148 int speex_encode_native(void *state, spx_word16_t *in, SpeexBits *bits);
00149 int speex_decode_native(void *state, SpeexBits *bits, spx_word16_t *out);
00150
00151 int nb_mode_query(const void *mode, int request, void *ptr);
00152 int wb_mode_query(const void *mode, int request, void *ptr);
00153
00154 #endif