| /external/speex/libspeex/ |
| filters.h | 40 spx_word16_t compute_rms(const spx_sig_t *x, int len);
41 spx_word16_t compute_rms16(const spx_word16_t *x, int len);
43 void signal_div(const spx_word16_t *x, spx_word16_t *y, spx_word32_t scale, int len);
47 int normalize16(const spx_sig_t *x, spx_word16_t *y, spx_sig_t max_scale, int len);
58 void highpass(const spx_word16_t *x, spx_word16_t *y, int len, int filtID, spx_mem_t *mem);
61 void qmf_decomp(const spx_word16_t *xx, const spx_word16_t *aa, spx_word16_t *, spx_word16_t *y2, int N, int M, spx_word16_t *mem, char *stack)
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| lpc.h | 41 const spx_word16_t * x, /* in: [0...n-1] samples x */
42 spx_word16_t *ac, /* out: [0...lag-1] ac values */
48 const spx_word16_t * ac, /* in: [0...p] autocorrelation values */
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| ltp.h | 51 spx_word32_t inner_prod(const spx_word16_t *x, const spx_word16_t *y, int len);
52 void pitch_xcorr(const spx_word16_t *_x, const spx_word16_t *_y, spx_word32_t *corr, int len, int nb_pitch, char *stack);
54 void open_loop_nbest_pitch(spx_word16_t *sw, int start, int end, int len, int *pitch, spx_word16_t *gain, int N, char *stack);
59 spx_word16_t target[], /* Target vector */
60 spx_word16_t *sw,
68 spx_word16_t pitch_coef, /* Voicing (pitch) coefficient */
73 spx_word16_t *exc2
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| modes.h | 75 typedef int (*ltp_quant_func)(spx_word16_t *, spx_word16_t *, spx_coef_t *, spx_coef_t *,
76 spx_coef_t *, spx_sig_t *, const void *, int, int, spx_word16_t,
77 int, int, SpeexBits*, char *, spx_word16_t *, spx_word16_t *, int, int, int, spx_word32_t *);
80 typedef void (*ltp_unquant_func)(spx_word16_t *, spx_word32_t *, int, int, spx_word16_t, const void *, int, int *,
81 spx_word16_t *, SpeexBits*, char*, int, int, spx_word16_t, int);
85 typedef void (*innovation_quant_func)(spx_word16_t *, spx_coef_t *, spx_coef_t *, spx_coef_t *, const void *, int, int,
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| fftwrap.h | 47 void spx_fft(void *table, spx_word16_t *in, spx_word16_t *out);
50 void spx_ifft(void *table, spx_word16_t *in, spx_word16_t *out);
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| cb_search_bfin.h | 37 void compute_weighted_codebook(const signed char *shape_cb, const spx_word16_t *r, spx_word16_t *resp, spx_word16_t *resp2, spx_word32_t *E, int shape_cb_size, int subvect_size, char *stack)
88 static inline void target_update(spx_word16_t *t, spx_word16_t g, spx_word16_t *r, int len)
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| lsp_bfin.h | 39 spx_word16_t *coef, /* P or Q coefs in Q13 format */
40 spx_word16_t x, /* cos of freq (-1.0 to 1.0) in Q14 format */
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| vq.h | 40 int scal_quant(spx_word16_t in, const spx_word16_t *boundary, int entries);
45 void vq_nbest(spx_word16_t *in, const __m128 *codebook, int len, int entries, __m128 *E, int N, int *nbest, spx_word32_t *best_dist, char *stack);
47 void vq_nbest_sign(spx_word16_t *in, const __m128 *codebook, int len, int entries, __m128 *E, int N, int *nbest, spx_word32_t *best_dist, char *stack);
49 void vq_nbest(spx_word16_t *in, const spx_word16_t *codebook, int len, int entries, spx_word32_t *E, int N, int *nbest, spx_word32_t *best_dist, char *stack);
51 void vq_nbest_sign(spx_word16_t *in, const spx_word16_t *codebook, int len, int entries, spx_word32_t *E, int N, int *nbest, spx_word32_t *best_dist, char *stack);
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| nb_celp.h | 74 spx_word16_t gamma1; /**< Perceptual filter: A(z/gamma1) */
75 spx_word16_t gamma2; /**< Perceptual filter: A(z/gamma2) */
76 spx_word16_t lpc_floor; /**< Noise floor multiplier for A[0] in LPC analysis*/
78 spx_word16_t *winBuf; /**< Input buffer (original signal) */
79 spx_word16_t *excBuf; /**< Excitation buffer */
80 spx_word16_t *exc; /**< Start of excitation frame */
81 spx_word16_t *swBuf; /**< Weighted signal buffer */
82 spx_word16_t *sw; /**< Start of weighted signal frame */
83 const spx_word16_t *window; /**< Temporary (Hanning) window */
84 const spx_word16_t *lagWindow; /**< Window applied to auto-correlation *
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| sb_celp.h | 54 spx_word16_t lpc_floor; /**< Controls LPC analysis noise floor */
55 spx_word16_t gamma1; /**< Perceptual weighting coef 1 */
56 spx_word16_t gamma2; /**< Perceptual weighting coef 2 */
59 spx_word16_t *high; /**< High-band signal (buffer) */
60 spx_word16_t *h0_mem, *h1_mem;
62 const spx_word16_t *window; /**< LPC analysis window */
63 const spx_word16_t *lagWindow; /**< Auto-correlation window */
72 spx_word16_t *exc_rms;
73 spx_word16_t *innov_rms_save; /**< If non-NULL, innovation is copied here */
112 spx_word16_t *g0_mem, *g1_mem
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| filterbank.h | 42 spx_word16_t *filter_left;
43 spx_word16_t *filter_right;
58 void filterbank_compute_psd16(FilterBank *bank, spx_word16_t *mel, spx_word16_t *psd);
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| fixed_bfin.h | 40 static inline spx_word16_t PDIV32_16(spx_word32_t a, spx_word16_t b)
65 static inline spx_word16_t DIV32_16(spx_word32_t a, spx_word16_t b)
92 static inline spx_word16_t MAX16(spx_word16_t a, spx_word16_t b)
106 static inline spx_word32_t MULT16_32_Q15(spx_word16_t a, spx_word32_t b)
122 static inline spx_word32_t MAC16_32_Q15(spx_word32_t c, spx_word16_t a, spx_word32_t b)
139 static inline spx_word32_t MULT16_32_Q14(spx_word16_t a, spx_word32_t b
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| ltp_bfin.h | 37 spx_word32_t inner_prod(const spx_word16_t *x, const spx_word16_t *y, int len)
66 void pitch_xcorr(const spx_word16_t *_x, const spx_word16_t *_y, spx_word32_t *corr, int len, int nb_pitch, char *stack)
112 static inline spx_word32_t compute_pitch_error(spx_word16_t *C, spx_word16_t *g, spx_word16_t pitch_control)
157 void open_loop_nbest_pitch(spx_word16_t *sw, int start, int end, int len, int *pitch, spx_word16_t *gain, int N, char *stack)
214 VARDECL(spx_word16_t *corr16)
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| quant_lsp_bfin.h | 46 spx_word16_t *x,
91 x[j] = SUB16(x[j],SHL16((spx_word16_t)cdbk[best_id*nbDim+j],5));
107 spx_word16_t *x,
108 spx_word16_t *weight,
161 x[j] = SUB16(x[j],SHL16((spx_word16_t)cdbk[best_id*nbDim+j],5));
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| fixed_arm5e.h | 39 static inline spx_word32_t MULT16_16(spx_word16_t x, spx_word16_t y) {
48 static inline spx_word32_t MAC16_16(spx_word32_t a, spx_word16_t x, spx_word32_t y) {
57 static inline spx_word32_t MULT16_32_Q15(spx_word16_t x, spx_word32_t y) {
66 static inline spx_word32_t MAC16_32_Q15(spx_word32_t a, spx_word16_t x, spx_word32_t y) {
75 static inline spx_word32_t MULT16_32_Q11(spx_word16_t x, spx_word32_t y) {
84 static inline spx_word32_t MAC16_32_Q11(spx_word32_t a, spx_word16_t x, spx_word32_t y) {
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| cb_search.h | 52 spx_word16_t target[], /* target vector */
60 spx_word16_t *r,
78 spx_word16_t target[], /* target vector */
86 spx_word16_t *r,
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| lsp.h | 56 int lpc_to_lsp (spx_coef_t *a, int lpcrdr, spx_lsp_t *freq, int nb, spx_word16_t delta, char *stack);
60 void lsp_enforce_margin(spx_lsp_t *lsp, int len, spx_word16_t margin);
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| math_approx.h | 49 static inline spx_word16_t speex_rand(spx_word16_t std, spx_int32_t *seed)
122 static inline spx_word16_t speex_rand(spx_word16_t std, spx_int32_t *seed)
142 static inline spx_word16_t spx_sqrt(spx_word32_t x)
160 static inline spx_word16_t spx_acos(spx_word16_t x)
163 spx_word16_t ret;
164 spx_word16_t sq;
188 static inline spx_word16_t spx_cos(spx_word16_t x
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| filters_bfin.h | 36 int normalize16(const spx_sig_t *x, spx_word16_t *y, spx_sig_t max_scale, int len)
85 void filter_mem16(const spx_word16_t *_x, const spx_coef_t *num, const spx_coef_t *den, spx_word16_t *_y, int N, int ord, spx_mem_t *mem, char *stack)
90 spx_word16_t *numden;
96 numden = (spx_word16_t*) numden_a;
230 void iir_mem16(const spx_word16_t *_x, const spx_coef_t *den, spx_word16_t *_y, int N, int ord, spx_mem_t *mem, char *stack)
232 VARDECL(spx_word16_t *y);
233 spx_word16_t *yy;
235 ALLOC(y, (N+2), spx_word16_t);
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| ltp_arm4.h | 36 spx_word32_t inner_prod(const spx_word16_t *x, const spx_word16_t *y, int len)
39 spx_word16_t *deadx, *deady;
88 void pitch_xcorr(const spx_word16_t *_x, const spx_word16_t *_y, spx_word32_t *corr, int len, int nb_pitch, char *stack)
99 const spx_word16_t *y = _y+i;
100 const spx_word16_t *x = _x;
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| ltp.c | 59 spx_word32_t inner_prod(const spx_word16_t *x, const spx_word16_t *y, int len)
79 void pitch_xcorr(const spx_word16_t *_x, const spx_word16_t *_y, spx_word32_t *corr, int len, int nb_pitch, char *stack)
90 const spx_word16_t *y = _y+i;
91 const spx_word16_t *x = _x;
92 spx_word16_t y0, y1, y2, y3;
142 void pitch_xcorr(const spx_word16_t *_x, const spx_word16_t *_y, spx_word32_t *corr, int len, int nb_pitch, char *stack)
156 static inline spx_word32_t compute_pitch_error(spx_word16_t *C, spx_word16_t *g, spx_word16_t pitch_control
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| cb_search.c | 53 static void compute_weighted_codebook(const signed char *shape_cb, const spx_word16_t *r, spx_word16_t *resp, spx_word16_t *resp2, spx_word32_t *E, int shape_cb_size, int subvect_size, char *stack)
56 VARDECL(spx_word16_t *shape);
57 ALLOC(shape, subvect_size, spx_word16_t);
60 spx_word16_t *res;
64 shape[k] = (spx_word16_t)shape_cb[i*subvect_size+k];
71 spx_word16_t res16;
90 static inline void target_update(spx_word16_t *t, spx_word16_t g, spx_word16_t *r, int len
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| fixed_arm4.h | 39 static inline spx_word32_t MULT16_32_Q14(spx_word16_t x, spx_word32_t y) {
52 static inline spx_word32_t MULT16_32_Q15(spx_word16_t x, spx_word32_t y) {
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| fixed_generic.h | 38 #define QCONST16(x,bits) ((spx_word16_t)(.5+(x)*(((spx_word32_t)1)<<(bits))))
43 #define EXTRACT16(x) ((spx_word16_t)(x))
61 #define ADD16(a,b) ((spx_word16_t)((spx_word16_t)(a)+(spx_word16_t)(b)))
62 #define SUB16(a,b) ((spx_word16_t)(a)-(spx_word16_t)(b))
68 #define MULT16_16_16(a,b) ((((spx_word16_t)(a))*((spx_word16_t)(b))))
70 /* (spx_word32_t)(spx_word16_t) gives TI compiler a hint that it's 16x16->32 multiply *
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| filters.c | 54 void bw_lpc(spx_word16_t gamma, const spx_coef_t *lpc_in, spx_coef_t *lpc_out, int order)
57 spx_word16_t tmp=gamma;
83 void highpass(const spx_word16_t *x, spx_word16_t *y, int len, int filtID, spx_mem_t *mem)
87 const spx_word16_t Pcoef[5][3] = {{16384, -31313, 14991}, {16384, -31569, 15249}, {16384, -31677, 15328}, {16384, -32313, 15947}, {16384, -22446, 6537}};
88 const spx_word16_t Zcoef[5][3] = {{15672, -31344, 15672}, {15802, -31601, 15802}, {15847, -31694, 15847}, {16162, -32322, 16162}, {14418, -28836, 14418}};
90 const spx_word16_t Pcoef[5][3] = {{1.00000f, -1.91120f, 0.91498f}, {1.00000f, -1.92683f, 0.93071f}, {1.00000f, -1.93338f, 0.93553f}, {1.00000f, -1.97226f, 0.97332f}, {1.00000f, -1.37000f, 0.39900f}};
91 const spx_word16_t Zcoef[5][3] = {{0.95654f, -1.91309f, 0.95654f}, {0.96446f, -1.92879f, 0.96446f}, {0.96723f, -1.93445f, 0.96723f}, {0.98645f, -1.97277f, 0.98645f}, {0.88000f, -1.76000f, 0.88000f}};
93 const spx_word16_t *den, *num;
101 spx_word16_t yi
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