Searched refs:var1 (Results 1 - 25 of 41) sorted by relevance

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/frameworks/av/media/libstagefright/codecs/amrnb/common/src/
H A Dnegate.cpp48 var1 = 16 bit short signed integer (Word16) whose value falls in
49 the range : 0xffff 8000 <= var1 <= 0x0000 7fff.
58 var1 = negated value of input (Word16)
72 This function negates var1 with saturation; saturate in the case where input
73 is -32768: negate(var1) = sub(0,var1).
88 Word16 negate (Word16 var1)
92 var_out = (var1 == MIN_16) ? MAX_16 : -var1;
164 Word16 negate(register Word16 var1) argument
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H A Dnorm_s.cpp42 Description: Updated definition of var1 to be the same as that in the
54 var1 = 16 bit signed integer of type Word16, whose value falls
55 in the range: 0x8000 <= var1 <= 0x7fff
64 var_out = number of left shifts need to normalize var1 (Word16)
79 bit variable var1 for positive values on the interval with minimum of 0x4000
81 of 0x8000 and maximum of 0xc000. Note that when var1 is zero, the resulting
97 Word16 norm_s (Word16 var1)
101 if (var1 == 0)
107 if (var1 == (Word16) 0xffff)
113 if (var1 <
197 norm_s(Word16 var1) argument
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H A Dl_deposit_h.cpp47 var1 = 16 bit short signed integer (Word16) whose value falls in
48 the range : 0xffff 8000 <= var1 <= 0x0000 7fff.
57 var1 = deposit of var1 into MSWord of 32 bit value (Word32)
71 This function deposits the 16 bit var1 into the 16 MS bits of the 32 bit
87 Word32 L_deposit_h (Word16 var1)
91 L_var_out = (Word32) var1 << 16;
163 Word32 L_deposit_h(Word16 var1) argument
176 return ((Word32) var1 << 16);
H A Dl_deposit_l.cpp47 var1 = 16 bit short signed integer (Word16) whose value falls in
48 the range : 0xffff 8000 <= var1 <= 0x0000 7fff.
57 var1 = deposit of var1 into LSWord of 32 bit value (Word32)
71 This function deposits the 16 bit var1 into the 16 LS bits of the 32 bit
87 Word32 L_deposit_l (Word16 var1)
91 L_var_out = (Word32) var1;
163 Word32 L_deposit_l(Word16 var1) argument
176 return ((Word32) var1);
H A Dshr.cpp45 3. Deleted (var2>15&&var1!=0) condition.
102 var1 = 16 bit short signed integer (Word16) whose value falls in
103 the range : 0xffff 8000 <= var1 <= 0x0000 7fff.
125 This function arithmetically shifts the 16 bit input var1 right var2 positions
126 with sign extension. If var2 is negative, arithmetically shift var1 left by
142 Word16 shr_std (Word16 var1, Word16 var2)
150 var_out = shl_std (var1, -var2);
159 var_out = (var1 < 0) ? -1 : 0;
163 if (var1 < 0)
165 var_out = ~((~var1) >> var
205 shr(Word16 var1, Word16 var2, Flag *pOverflow) argument
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H A Dshr_r.cpp48 var1 = 16 bit short signed integer (Word16) whose value falls in
49 the range : 0xffff 8000 <= var1 <= 0x0000 7fff.
74 This function arithmetically shifts the 16 bit input var1 right var2 positions
75 with rounding. If var2 is negative, arithmetically shift var1 left by
80 if (sub(shl(shr(var1,var2),1),shr(var1,sub(var2,1))))
83 shr_r(var1,var2) = shr(var1,var2)
85 shr_r(var1,var2) = add(shr(var1,var
196 shr_r(register Word16 var1, register Word16 var2, Flag *pOverflow) argument
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H A Ddiv_s.cpp56 var1 = 16 bit signed integer (Word16) whose value falls in
57 the range : 0x0000 <= var1 <= 0x7fff.
59 the range : 0x0000 <= var1 <= 0x7fff.
68 var_out = quotient of var1 divided by var2 (Word16)
83 var1 by var2; var1 and var2 must be positive and var2 must be greater or equal
84 to var1; the result is positive (leading bit equal to 0) and truncated to 16
85 bits. If var1 = var2 then div(var1,var2) = 32767.
100 Word16 div_s (Word16 var1, Word1
210 div_s(Word16 var1, Word16 var2) argument
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H A Dadd.cpp92 var1 = 16 bit short signed integer (Word16) whose value falls in
93 the range : 0xffff 8000 <= var1 <= 0x0000 7fff.
104 sum = 16-bit limited sum of var1 and var2 (Word16)
115 This function performs the addition (var1+var2) with overflow control and
132 Word16 add (Word16 var1, Word16 var2)
137 sum = (Word32) var1 + var2;
176 Word16 add(Word16 var1, Word16 var2, Flag *pOverflow) argument
182 sum = (Word32) var1 + var2;
H A Dsub.cpp40 the definition of var1 and var2, and fixed the range values.
101 var1 = 16 bit short signed integer (Word16) whose value falls in
102 the range : 0xffff 8000 <= var1 <= 0x0000 7fff.
113 diff = 16-bit limited difference between var1 and var2 (Word16)
124 This function performs the subtraction (var1-var2) with overflow control and
143 Word16 sub (Word16 var1, Word16 var2)
148 diff = (Word32) var1 - var2;
193 Word16 sub(Word16 var1, Word16 var2, Flag *pOverflow) argument
198 diff = (Word32) var1 - var2;
/frameworks/av/media/libstagefright/codecs/amrnb/common/include/
H A Dnorm_s.h106 Word16 norm_s(Word16 var1);
113 Word32 var1 = var << 16; local
117 CMP var1, #0 local
118 EORNE var1, var1, var1, LSL #1 local
119 CLZNE var_out, var1
127 static inline Word16 norm_s(Word16 var1) argument
130 register Word32 ra = var1 << 16;
H A Dabs_s.h102 Word16 abs_s(Word16 var1);
H A Dl_deposit_h.h103 Word32 L_deposit_h(Word16 var1);
H A Dl_deposit_l.h103 Word32 L_deposit_l(Word16 var1);
H A Dnegate.h102 Word16 negate(register Word16 var1);
H A Ddiv_s.h103 Word16 div_s(Word16 var1, Word16 var2);
H A Dadd.h106 Word16 add(Word16 var1, Word16 var2, Flag *pOverflow);
H A Dmult_r.h106 Word16 mult_r(Word16 var1, Word16 var2, Flag *pOverflow);
H A Dshl.h106 Word16 shl(Word16 var1, Word16 var2, Flag *pOverflow);
H A Dshr.h106 Word16 shr(Word16 var1, Word16 var2, Flag *pOverflow);
H A Dshr_r.h104 Word16 shr_r(Word16 var1, Word16 var2, Flag *pOverflow);
H A Dsub.h106 Word16 sub(Word16 var1, Word16 var2, Flag *pOverflow);
/frameworks/av/media/libstagefright/codecs/aacenc/basic_op/
H A Dbasicop2.c87 | Performs the addition (var1+var2) with overflow control and saturation;|
95 | var1 |
97 | range : 0xffff 8000 <= var1 <= 0x0000 7fff. |
101 | range : 0xffff 8000 <= var1 <= 0x0000 7fff. |
116 Word16 add (Word16 var1, Word16 var2) argument
121 L_sum = (Word32)var1 + (Word32)var2;
134 | Performs the subtraction (var1+var2) with overflow control and satu- |
142 | var1 |
144 | range : 0xffff 8000 <= var1 <= 0x0000 7fff. |
148 | range : 0xffff 8000 <= var1 <
162 sub(Word16 var1, Word16 var2) argument
261 shl(Word16 var1, Word16 var2) argument
328 shr(Word16 var1, Word16 var2) argument
397 mult(Word16 var1, Word16 var2) argument
451 L_mult(Word16 var1, Word16 var2) argument
667 L_mac(Word32 L_var3, Word16 var1, Word16 var2) argument
717 L_msu(Word32 L_var3, Word16 var1, Word16 var2) argument
904 mult_r(Word16 var1, Word16 var2) argument
1096 shr_r(Word16 var1, Word16 var2) argument
1160 mac_r(Word32 L_var3, Word16 var1, Word16 var2) argument
1211 msu_r(Word32 L_var3, Word16 var1, Word16 var2) argument
1451 norm_s(Word16 var1) argument
1520 div_s(Word16 var1, Word16 var2) argument
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H A Doper_32b.h44 __inline Word32 L_mpy_ls(Word32 L_var2, Word16 var1) argument
53 l_var_out = (long)swLow1 * (long)var1 >> 15;
55 l_var_out += swHigh1 * var1 << 1;
60 __inline Word32 L_mpy_wx(Word32 L_var2, Word16 var1) argument
65 "SMULWB %[result], %[L_var2], %[var1] \n"
67 :[L_var2]"r"(L_var2), [var1]"r"(var1)
78 l_var_out = (long)swLow1 * (long)var1 >> 16;
79 l_var_out += swHigh1 * var1;
/frameworks/av/media/libstagefright/codecs/amrwb/src/
H A Dpvamrwbdecoder_basic_op.h68 Negate var1 with saturation, saturate in the case where input is -32768:
69 negate(var1) = sub(0,var1).
72 var1
74 range : 0x8000 <= var1 <= 0x7fff.
84 __inline int16 negate_int16(int16 var1) argument
86 return (((var1 == MIN_16) ? MAX_16 : -var1));
94 Arithmetically shift the 16 bit input var1 left var2 positions.Zero fill
96 var1 righ
114 shl_int16(int16 var1, int16 var2) argument
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/frameworks/av/media/libstagefright/codecs/amrwbenc/inc/
H A Dbasic_op.h37 #define L_deposit_h(x) (((Word32)(x)) << 16) /* 16 bit var1 -> MSB, 2 */
38 #define L_deposit_l(x) ((Word32)(x)) /* 16 bit var1 -> LSB, 2 */
40 #define negate(var1) ((Word16)(((var1) == MIN_16) ? MAX_16 : (-(var1)))) /* Short negate, 1*/
51 #define vo_shr_r(var1, var2) ((var1+((Word16)(1L<<(var2-1))))>>var2)
68 static_vo Word16 add (Word16 var1, Word16 var2); /* Short add,1 */
69 static_vo Word16 sub (Word16 var1, Word16 var2); /* Short sub,1 */
70 static_vo Word16 shl (Word16 var1, Word1
126 add(Word16 var1, Word16 var2) argument
169 sub(Word16 var1, Word16 var2) argument
213 shl(Word16 var1, Word16 var2) argument
277 shr(Word16 var1, Word16 var2) argument
342 mult(Word16 var1, Word16 var2) argument
389 L_mult(Word16 var1, Word16 var2) argument
481 L_mac(Word32 L_var3, Word16 var1, Word16 var2) argument
527 L_msu(Word32 L_var3, Word16 var1, Word16 var2) argument
665 mult_r(Word16 var1, Word16 var2) argument
934 norm_s(Word16 var1) argument
999 div_s(Word16 var1, Word16 var2) argument
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