FreeCalypso > hg > gsm-codec-lib

comparison libgsmefr/enc_lag6.c @ 194:f151d6c18b31

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libgsmefr/enc_lag6.c: perf opt
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 04 Jan 2023 03:36:39 +0000
parents e109d8752d60
children
comparison
equal deleted inserted replaced
193:cf39a90f5196 194:f151d6c18b31
59 if (pit_flag == 0) /* if 1st or 3rd subframe */ 59 if (pit_flag == 0) /* if 1st or 3rd subframe */
60 { 60 {
61 /* encode pitch delay (with fraction) */ 61 /* encode pitch delay (with fraction) */
62 62
63 test (); 63 test ();
64 if (sub (T0, 94) <= 0) 64 if (T0 <= 94)
65 { 65 {
66 /* index = T0*6 - 105 + *T0_frac */ 66 /* index = T0*6 - 105 + *T0_frac */
67 i = add (add (T0, T0), T0); 67 i = add (add (T0, T0), T0);
68 index = add (sub (add (i, i), 105), *T0_frac); 68 index = add (sub (add (i, i), 105), *T0_frac);
69 } else 69 } else
74 74
75 /* find T0_min and T0_max for second (or fourth) subframe */ 75 /* find T0_min and T0_max for second (or fourth) subframe */
76 76
77 *T0_min = sub (T0, 5); move16 (); 77 *T0_min = sub (T0, 5); move16 ();
78 test (); 78 test ();
79 if (sub (*T0_min, pit_min) < 0) 79 if (*T0_min < pit_min)
80 { 80 {
81 *T0_min = pit_min; move16 (); 81 *T0_min = pit_min; move16 ();
82 } 82 }
83 *T0_max = add (*T0_min, 9); 83 *T0_max = add (*T0_min, 9);
84 test (); 84 test ();
85 if (sub (*T0_max, pit_max) > 0) 85 if (*T0_max > pit_max)
86 { 86 {
87 *T0_max = pit_max; move16 (); 87 *T0_max = pit_max; move16 ();
88 *T0_min = sub (*T0_max, 9); move16 (); 88 *T0_min = sub (*T0_max, 9); move16 ();
89 } 89 }
90 } else 90 } else