FreeCalypso > hg > gsm-codec-lib

comparison libgsmefr/dec_main.c @ 98:18866c0354ef

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libgsmefr/dec_main.c: need to use official shl() function in order to get correct saturation
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 26 Nov 2022 21:31:58 +0000
parents d80e9f12a1d1
children
comparison
equal deleted inserted replaced
97:e5ee684c6d29 98:18866c0354ef
5 */ 5 */
6 6
7 #include "gsm_efr.h" 7 #include "gsm_efr.h"
8 #include "typedef.h" 8 #include "typedef.h"
9 #include "namespace.h" 9 #include "namespace.h"
10 #include "basic_op.h"
10 #include "cnst.h" 11 #include "cnst.h"
11 #include "codec.h" 12 #include "codec.h"
12 #include "sig_proc.h" 13 #include "sig_proc.h"
13 #include "memops.h" 14 #include "memops.h"
14 #include "dec_state.h" 15 #include "dec_state.h"
65 66
66 for (i = 0; i < L_FRAME; i++) 67 for (i = 0; i < L_FRAME; i++)
67 /* Upscale the 15 bit linear PCM to 16 bits, 68 /* Upscale the 15 bit linear PCM to 16 bits,
68 then truncate to 13 bits */ 69 then truncate to 13 bits */
69 { 70 {
70 temp = synth[i] << 1; 71 temp = shl (synth[i], 1);
71 synth[i] = temp & 0xfff8; 72 synth[i] = temp & 0xfff8;
72 } 73 }
73 } /* else */ 74 } /* else */
74 75
75 Copy (synth, pcm_out, L_FRAME); 76 Copy (synth, pcm_out, L_FRAME);