Searched refs:Log2 (Results 1 - 13 of 13) sorted by relevance

/frameworks/av/media/libstagefright/codecs/amrnb/common/include/
H A Dlog2.h52 This file contains the function prototype definition for Log2 function.
106 void Log2(
108 Word16 *pExponent, /* (o) : Integer part of Log2. (range: 0<=val<=30)*/
109 Word16 *pFraction, /* (o) : Fractional part of Log2. (range: 0<=val<1) */
/frameworks/av/media/libstagefright/codecs/amrwbenc/inc/
H A Dlog2.h47 void Log2 (
49 Word16 *exponent, /* (o) : Integer part of Log2. (range: 0<=val<=30) */
50 Word16 *fraction /* (o) : Fractional part of Log2. (range: 0<=val<1)*/
56 Word16 *exponent, /* (o) : Integer part of Log2. (range: 0<=val<=30) */
57 Word16 *fraction /* (o) : Fractional part of Log2. (range: 0<=val<1) */
H A Dtypedefs.h183 #define Log2 voAWB_Log2 macro
/frameworks/av/media/libstagefright/codecs/amrnb/common/src/
H A Dlog2.cpp93 pExponent = pointer to the integer part of Log2 of type Word16 whose
95 pFraction = pointer to the fractional part of Log2 of type Word16
101 pExponent -> integer part of the newly calculated Log2
102 pFraction -> fractional part of the newly calculated Log2
163 void Log2( function
165 Word16 *pExponent, /* (o) : Integer part of Log2. (range: 0<=val<=30)*/
166 Word16 *pFraction, /* (o) : Fractional part of Log2. (range: 0<=val<1) */
H A Dgc_pred.cpp299 * = 1/2 * Log2(energy) *
302 // ener_code = 1/2 * Log2(ener_code); Note: Log2=log2+30
303 Log2(ener_code, &exp, &frac);
348 // Log2 = log2 + 27
356 * = K - fact * Log2(ener_code)
530 * = 1/2 * Log2(energy) *
533 /* ener_code = 1/2 * Log2(ener_code); Note: Log2=log2+30 */
534 Log2(ener_cod
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/frameworks/av/media/libstagefright/codecs/amrwbenc/src/
H A Dlog2.c34 #include "log2_tab.h" /* Table for Log2() */
45 * The function Log2(L_x) is approximated by a table and linear
46 * interpolation. The following steps are used to compute Log2(L_x)
59 Word16 *exponent, /* (o) : Integer part of Log2. (range: 0<=val<=30) */
60 Word16 *fraction /* (o) : Fractional part of Log2. (range: 0<=val<1) */
88 * FUNCTION: Log2()
98 void Log2 ( function
100 Word16 *exponent, /* (o) : Integer part of Log2. (range: 0<=val<=30) */
101 Word16 *fraction /* (o) : Fractional part of Log2. (range: 0<=val<1) */
H A Dq_gain2.c184 Log2(L_tmp, &exp, &frac);
328 Log2(L_tmp, &exp, &frac);
H A Ddtx.c313 Log2(enr, &log_en_e, &log_en_m);
/frameworks/av/media/libstagefright/codecs/amrnb/dec/src/
H A Ddec_gain.cpp240 /* Log2(x Q12) = log2(x) + 12 */
242 Log2(temp1, &exp, &frac, pOverflow);
283 * = Log2(g_fac) *
H A Ddtx_dec.cpp734 Log2(L_deposit_l(pred_err), &log_pg_e, &log_pg_m);
1291 Log2(L_deposit_l(pred_err), &log_pg_e, &log_pg_m, pOverflow);
1451 Log2(L_frame_en, &log_en_e, &log_en_m);
1530 Log2(L_frame_en, &log_en_e, &log_en_m, pOverflow);
/frameworks/av/media/libstagefright/codecs/amrnb/enc/src/
H A Dqgain475.cpp439 Log2 (L_deposit_l (g_code), &exp, &frac); // Log2(x Q12) = log2(x) + 12
518 /* Log2(x Q12) = log2(x) + 12 */
519 Log2((Word32) g_code, &exp, &frac, pOverflow);
639 Log2 (L_deposit_l (frac), &exp, &frac);
754 Log2((Word32) frac, &exp, &frac, pOverflow);
H A Dcalc_en.cpp227 // Log2 = log2() + 27
228 Log2(L_temp, &ltpg_exp, &ltpg_frac);
379 /* Log2 = log2() + 27 */
380 Log2(L_temp, &ltpg_exp, &ltpg_frac, pOverflow);
H A Ddtx_enc.cpp900 Log2(L_frame_en, &log_en_e, &log_en_m);
979 Log2(L_frame_en, &log_en_e, &log_en_m, pOverflow);

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