FreeCalypso > hg > gsm-codec-lib
view miscutil/pcm16-to-alaw.c @ 467:ad032051166a
doc: AMR-EFR-hybrid-emu new article
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 12 May 2024 23:54:43 +0000 |
parents | dc52c3857bf7 |
children |
line wrap: on
line source
/* * This program reads a 16-bit PCM recording in raw format (robe by default, * or LE with -l option) and converts it to 8-bit PCM in European A-law * encoding. It is based on toast_alaw.c from libgsm/toast package by * Jutta Degener and Carsten Bormann, Technische Universitaet Berlin. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> #define S2A(x) (s2a[ ((unsigned short)(x)) >> 4 ]) static unsigned char s2a[] = { 213,212,215,214,209,208,211,210,221,220,223,222,217,216,219,218, 197,196,199,198,193,192,195,194,205,204,207,206,201,200,203,202, 245,245,244,244,247,247,246,246,241,241,240,240,243,243,242,242, 253,253,252,252,255,255,254,254,249,249,248,248,251,251,250,250, 229,229,229,229,228,228,228,228,231,231,231,231,230,230,230,230, 225,225,225,225,224,224,224,224,227,227,227,227,226,226,226,226, 237,237,237,237,236,236,236,236,239,239,239,239,238,238,238,238, 233,233,233,233,232,232,232,232,235,235,235,235,234,234,234,234, 149,149,149,149,149,149,149,149,148,148,148,148,148,148,148,148, 151,151,151,151,151,151,151,151,150,150,150,150,150,150,150,150, 145,145,145,145,145,145,145,145,144,144,144,144,144,144,144,144, 147,147,147,147,147,147,147,147,146,146,146,146,146,146,146,146, 157,157,157,157,157,157,157,157,156,156,156,156,156,156,156,156, 159,159,159,159,159,159,159,159,158,158,158,158,158,158,158,158, 153,153,153,153,153,153,153,153,152,152,152,152,152,152,152,152, 155,155,155,155,155,155,155,155,154,154,154,154,154,154,154,154, 133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,133, 132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,132, 135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135, 134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134, 129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129, 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128, 131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131, 130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130, 141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141, 140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140, 143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143, 142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142, 137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137, 136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136, 139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139, 138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138, 181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181, 181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181, 180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180, 180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180, 183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,183, 183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,183, 182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,182, 182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,182, 177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177, 177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177, 176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176, 176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176, 179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179, 179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179, 178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178, 178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178, 189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189, 189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189, 188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188, 188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188, 191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,191, 191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,191, 190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,190, 190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,190, 185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,185, 185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,185, 184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184, 184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184, 187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,187, 187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,187, 186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,186, 186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,186, 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, 165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165, 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, 164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164, 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, 167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167, 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, 166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166, 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, 161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161, 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, 160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160, 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, 163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163, 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, 162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162, 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, 173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173, 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, 172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172, 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, 175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175, 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, 174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174, 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, 169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169, 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, 168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168, 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, 171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171, 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, 170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 24, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31, 31, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 106,106,106,106,107,107,107,107,104,104,104,104,105,105,105,105, 110,110,110,110,111,111,111,111,108,108,108,108,109,109,109,109, 98, 98, 98, 98, 99, 99, 99, 99, 96, 96, 96, 96, 97, 97, 97, 97, 102,102,102,102,103,103,103,103,100,100,100,100,101,101,101,101, 122,122,123,123,120,120,121,121,126,126,127,127,124,124,125,125, 114,114,115,115,112,112,113,113,118,118,119,119,116,116,117,117, 74, 75, 72, 73, 78, 79, 76, 77, 66, 67, 64, 65, 70, 71, 68, 69, 90, 91, 88, 89, 94, 95, 92, 93, 82, 83, 80, 81, 86, 87, 84, 85 }; main(argc, argv) char **argv; { int little_endian; char *infname, *outfname; FILE *inf, *outf; uint8_t inb[2]; uint16_t ins; int cc; if (argc == 3 && argv[1][0] != '-') { little_endian = 0; infname = argv[1]; outfname = argv[2]; } else if (argc == 4 && !strcmp(argv[1], "-l")) { little_endian = 1; infname = argv[2]; outfname = argv[3]; } else { fprintf(stderr, "usage: %s [-l] input.pcm16 output.alaw\n", argv[0]); exit(1); } inf = fopen(infname, "r"); if (!inf) { perror(infname); exit(1); } outf = fopen(outfname, "w"); if (!outf) { perror(outfname); exit(1); } for (;;) { cc = fread(inb, 1, 2, inf); if (cc <= 0) break; if (cc & 1) { fprintf(stderr, "error: %s has odd number of bytes\n", infname); exit(1); } if (little_endian) ins = ((uint16_t) inb[1] << 8) | ((uint16_t) inb[0]); else ins = ((uint16_t) inb[0] << 8) | ((uint16_t) inb[1]); putc(S2A(ins), outf); } fclose(outf); exit(0); }