26 #if !defined(_SPANDSP_TELEPHONY_H_) 27 #define _SPANDSP_TELEPHONY_H_ 29 #if defined(_M_IX86) || defined(_M_X64) 30 #if defined(LIBSPANDSP_EXPORTS) 31 #define SPAN_DECLARE(type) __declspec(dllexport) type 32 #define SPAN_DECLARE_DATA __declspec(dllexport) 34 #define SPAN_DECLARE(type) __declspec(dllimport) type 35 #define SPAN_DECLARE_DATA __declspec(dllimport) 37 #elif defined(SPANDSP_USE_EXPORT_CAPABILITY) && (defined(__GNUC__) || defined(__SUNCC__)) 38 #define SPAN_DECLARE(type) __attribute__((visibility("default"))) type 39 #define SPAN_DECLARE_DATA __attribute__((visibility("default"))) 41 #define SPAN_DECLARE(type) type
42 #define SPAN_DECLARE_DATA 45 #define span_container_of(ptr, type, member) ({ \ 46 const typeof(((type *) 0)->member) *__mptr = (ptr); \ 47 (type *) ((char *) __mptr - offsetof(type, member));}) 49 #define SAMPLE_RATE 8000 54 typedef uint64_t span_timestamp_t;
57 typedef int32_t span_sample_timer_t;
60 typedef int (*span_rx_handler_t)(
void *
s,
const int16_t amp[],
int len);
63 typedef int (*span_mod_handler_t)(
void *
s, int16_t amp[],
int len);
66 typedef int (*span_rx_fillin_handler_t)(
void *
s,
int len);
69 typedef int (*span_tx_handler_t)(
void *
s, int16_t amp[],
int max_len);
71 #define seconds_to_samples(t) ((t)*SAMPLE_RATE) 72 #define milliseconds_to_samples(t) ((t)*(SAMPLE_RATE/1000)) 73 #define microseconds_to_samples(t) ((t)/(1000000/SAMPLE_RATE)) 76 #define FP_Q16_0(x) ((int16_t) (1.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 77 #define FP_Q15_1(x) ((int16_t) (2.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 78 #define FP_Q14_2(x) ((int16_t) (4.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 79 #define FP_Q13_3(x) ((int16_t) (8.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 80 #define FP_Q12_4(x) ((int16_t) (16.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 81 #define FP_Q11_5(x) ((int16_t) (32.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 82 #define FP_Q10_6(x) ((int16_t) (64.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 83 #define FP_Q9_7(x) ((int16_t) (128.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 84 #define FP_Q8_8(x) ((int16_t) (256.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 85 #define FP_Q7_9(x) ((int16_t) (512.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 86 #define FP_Q6_10(x) ((int16_t) (1024.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 87 #define FP_Q5_11(x) ((int16_t) (2048.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 88 #define FP_Q4_12(x) ((int16_t) (4096.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 89 #define FP_Q3_13(x) ((int16_t) (8192.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 90 #define FP_Q2_14(x) ((int16_t) (16384.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 91 #define FP_Q1_15(x) ((int16_t) (32768.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 94 #define FP_Q32_0(x) ((int32_t) (1.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 95 #define FP_Q31_1(x) ((int32_t) (2.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 96 #define FP_Q30_2(x) ((int32_t) (4.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 97 #define FP_Q29_3(x) ((int32_t) (8.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 98 #define FP_Q28_4(x) ((int32_t) (16.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 99 #define FP_Q27_5(x) ((int32_t) (32.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 100 #define FP_Q26_6(x) ((int32_t) (64.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 101 #define FP_Q25_7(x) ((int32_t) (128.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 102 #define FP_Q24_8(x) ((int32_t) (256.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 103 #define FP_Q23_9(x) ((int32_t) (512.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 104 #define FP_Q22_10(x) ((int32_t) (1024.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 105 #define FP_Q21_11(x) ((int32_t) (2048.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 106 #define FP_Q20_12(x) ((int32_t) (4096.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 107 #define FP_Q19_13(x) ((int32_t) (8192.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 108 #define FP_Q18_14(x) ((int32_t) (16384.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 109 #define FP_Q17_15(x) ((int32_t) (32768.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 110 #define FP_Q16_16(x) ((int32_t) (65536.0*1.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 111 #define FP_Q15_17(x) ((int32_t) (65536.0*2.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 112 #define FP_Q14_18(x) ((int32_t) (65536.0*4.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 113 #define FP_Q13_19(x) ((int32_t) (65536.0*8.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 114 #define FP_Q12_20(x) ((int32_t) (65536.0*16.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 115 #define FP_Q11_21(x) ((int32_t) (65536.0*32.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 116 #define FP_Q10_22(x) ((int32_t) (65536.0*64.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 117 #define FP_Q9_23(x) ((int32_t) (65536.0*128.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 118 #define FP_Q8_24(x) ((int32_t) (65536.0*256.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 119 #define FP_Q7_25(x) ((int32_t) (65536.0*512.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 120 #define FP_Q6_26(x) ((int32_t) (65536.0*1024.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 121 #define FP_Q5_27(x) ((int32_t) (65536.0*2048.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 122 #define FP_Q4_28(x) ((int32_t) (65536.0*4096.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 123 #define FP_Q3_29(x) ((int32_t) (65536.0*8192.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 124 #define FP_Q2_30(x) ((int32_t) (65536.0*16384.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 125 #define FP_Q1_31(x) ((int32_t) (65536.0*32768.0*(x) + (((x) >= 0.0) ? 0.5 : -0.5))) 128 #define DBM0_MAX_POWER (3.14f + 3.02f) 129 #define DBM0_MAX_SINE_POWER (3.14f) 131 #define DBOV_MAX_POWER (0.0f) 132 #define DBOV_MAX_SINE_POWER (-3.02f) 134 #if defined(SPANDSP_USE_FIXED_POINT) 135 #define db_to_power_ratio(val) powf(10.0f, (val)/10.0f) 136 #define db_to_amplitude_ratio(val) powf(10.0f, (val)/20.0f) 137 #define power_ratio_to_db(val) (10.0f*log10f(val)) 138 #define amplitude_ratio_to_db(val) (20.0f*log10f(val)) 140 #define db_to_power_ratio(val) powf(10.0f, (val)/10.0f) 141 #define db_to_amplitude_ratio(val) powf(10.0f, (val)/20.0f) 142 #define power_ratio_to_db(val) (10.0f*log10f(val)) 143 #define amplitude_ratio_to_db(val) (20.0f*log10f(val)) 148 #if defined(SPANDSP_USE_FIXED_POINT) 149 #define energy_threshold_dbm0(len,thresh) (int) (((len)*256.0f*256.0f/2.0f)*powf(10.0f, ((thresh) - DBM0_MAX_SINE_POWER)/10.0f)) 150 #define energy_threshold_dbmov(len,thresh) (int) (((len)*256.0f*256.0f/2.0f)*powf(10.0f, ((thresh) - DBMOV_MAX_SINE_POWER)/10.0f)) 152 #define energy_threshold_dbm0(len,thresh) (float) (((len)*32768.0f*32768.0f/2.0f)*powf(10.0f, ((thresh) - DBM0_MAX_SINE_POWER)/10.0f)) 153 #define energy_threshold_dbmov(len,thresh) (float) (((len)*32768.0f*32768.0f/2.0f)*powf(10.0f, ((thresh) - DBMOV_MAX_SINE_POWER)/10.0f)) 156 #if defined(__cplusplus) 159 #define lrint(x) ((long int) (x)) 160 #define lrintf(x) ((long int) (x)) t81_t82_arith_decode_state_t s
Definition: private/t85.h:202