mirror of
https://github.com/mpv-player/mpv
synced 2024-12-12 09:56:30 +00:00
320e68675a
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13603 b3059339-0415-0410-9bf9-f77b7e298cf2
316 lines
17 KiB
C
316 lines
17 KiB
C
/*=============================================================================
|
|
//
|
|
// This software has been released under the terms of the GNU General Public
|
|
// license. See http://www.gnu.org/copyleft/gpl.html for details.
|
|
//
|
|
// Copyright 2002 Anders Johansson ajh@watri.uwa.edu.au
|
|
//
|
|
// This file is based on a part of libsndfile, the work of
|
|
// Erik de Castro Lopo <erikd@zip.com.au>
|
|
//
|
|
//=============================================================================
|
|
*/
|
|
|
|
#ifndef __af_format_alaw_c
|
|
#define __af_format_alaw_c
|
|
|
|
#include <unistd.h>
|
|
#include <inttypes.h>
|
|
|
|
#include "af.h"
|
|
|
|
// Conversion tables (the function are below)
|
|
static short alaw_decode [128] =
|
|
{ -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
|
|
-7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
|
|
-2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
|
|
-3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
|
|
-22016, -20992, -24064, -23040, -17920, -16896, -19968, -18944,
|
|
-30208, -29184, -32256, -31232, -26112, -25088, -28160, -27136,
|
|
-11008, -10496, -12032, -11520, -8960, -8448, -9984, -9472,
|
|
-15104, -14592, -16128, -15616, -13056, -12544, -14080, -13568,
|
|
-344, -328, -376, -360, -280, -264, -312, -296,
|
|
-472, -456, -504, -488, -408, -392, -440, -424,
|
|
-88, -72, -120, -104, -24, -8, -56, -40,
|
|
-216, -200, -248, -232, -152, -136, -184, -168,
|
|
-1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
|
|
-1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
|
|
-688, -656, -752, -720, -560, -528, -624, -592,
|
|
-944, -912, -1008, -976, -816, -784, -880, -848
|
|
} ; /* alaw_decode */
|
|
|
|
static unsigned char alaw_encode [2049] =
|
|
{ 0xD5, 0xD4, 0xD7, 0xD6, 0xD1, 0xD0, 0xD3, 0xD2, 0xDD, 0xDC, 0xDF, 0xDE,
|
|
0xD9, 0xD8, 0xDB, 0xDA, 0xC5, 0xC4, 0xC7, 0xC6, 0xC1, 0xC0, 0xC3, 0xC2,
|
|
0xCD, 0xCC, 0xCF, 0xCE, 0xC9, 0xC8, 0xCB, 0xCA, 0xF5, 0xF5, 0xF4, 0xF4,
|
|
0xF7, 0xF7, 0xF6, 0xF6, 0xF1, 0xF1, 0xF0, 0xF0, 0xF3, 0xF3, 0xF2, 0xF2,
|
|
0xFD, 0xFD, 0xFC, 0xFC, 0xFF, 0xFF, 0xFE, 0xFE, 0xF9, 0xF9, 0xF8, 0xF8,
|
|
0xFB, 0xFB, 0xFA, 0xFA, 0xE5, 0xE5, 0xE5, 0xE5, 0xE4, 0xE4, 0xE4, 0xE4,
|
|
0xE7, 0xE7, 0xE7, 0xE7, 0xE6, 0xE6, 0xE6, 0xE6, 0xE1, 0xE1, 0xE1, 0xE1,
|
|
0xE0, 0xE0, 0xE0, 0xE0, 0xE3, 0xE3, 0xE3, 0xE3, 0xE2, 0xE2, 0xE2, 0xE2,
|
|
0xED, 0xED, 0xED, 0xED, 0xEC, 0xEC, 0xEC, 0xEC, 0xEF, 0xEF, 0xEF, 0xEF,
|
|
0xEE, 0xEE, 0xEE, 0xEE, 0xE9, 0xE9, 0xE9, 0xE9, 0xE8, 0xE8, 0xE8, 0xE8,
|
|
0xEB, 0xEB, 0xEB, 0xEB, 0xEA, 0xEA, 0xEA, 0xEA, 0x95, 0x95, 0x95, 0x95,
|
|
0x95, 0x95, 0x95, 0x95, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94,
|
|
0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x96, 0x96, 0x96, 0x96,
|
|
0x96, 0x96, 0x96, 0x96, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91,
|
|
0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x93, 0x93, 0x93, 0x93,
|
|
0x93, 0x93, 0x93, 0x93, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92,
|
|
0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9D, 0x9C, 0x9C, 0x9C, 0x9C,
|
|
0x9C, 0x9C, 0x9C, 0x9C, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F,
|
|
0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x9E, 0x99, 0x99, 0x99, 0x99,
|
|
0x99, 0x99, 0x99, 0x99, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,
|
|
0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9A, 0x9A, 0x9A, 0x9A,
|
|
0x9A, 0x9A, 0x9A, 0x9A, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
|
|
0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x84, 0x84, 0x84, 0x84,
|
|
0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
|
|
0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87,
|
|
0x87, 0x87, 0x87, 0x87, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
|
|
0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x81, 0x81, 0x81, 0x81,
|
|
0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
|
|
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
|
0x80, 0x80, 0x80, 0x80, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
|
|
0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x82, 0x82, 0x82, 0x82,
|
|
0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
|
|
0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D, 0x8D,
|
|
0x8D, 0x8D, 0x8D, 0x8D, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C,
|
|
0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8C, 0x8F, 0x8F, 0x8F, 0x8F,
|
|
0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F, 0x8F,
|
|
0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E, 0x8E,
|
|
0x8E, 0x8E, 0x8E, 0x8E, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89,
|
|
0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x88, 0x88, 0x88, 0x88,
|
|
0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
|
|
0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B, 0x8B,
|
|
0x8B, 0x8B, 0x8B, 0x8B, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A,
|
|
0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0x8A, 0xB5, 0xB5, 0xB5, 0xB5,
|
|
0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5,
|
|
0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5, 0xB5,
|
|
0xB5, 0xB5, 0xB5, 0xB5, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4,
|
|
0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4,
|
|
0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4, 0xB4,
|
|
0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7,
|
|
0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7,
|
|
0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB7, 0xB6, 0xB6, 0xB6, 0xB6,
|
|
0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6,
|
|
0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6, 0xB6,
|
|
0xB6, 0xB6, 0xB6, 0xB6, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1,
|
|
0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1,
|
|
0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1, 0xB1,
|
|
0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0,
|
|
0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0,
|
|
0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB0, 0xB3, 0xB3, 0xB3, 0xB3,
|
|
0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3,
|
|
0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3, 0xB3,
|
|
0xB3, 0xB3, 0xB3, 0xB3, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2,
|
|
0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2,
|
|
0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2, 0xB2,
|
|
0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD,
|
|
0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD,
|
|
0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBD, 0xBC, 0xBC, 0xBC, 0xBC,
|
|
0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC,
|
|
0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC, 0xBC,
|
|
0xBC, 0xBC, 0xBC, 0xBC, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF,
|
|
0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF,
|
|
0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF, 0xBF,
|
|
0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE,
|
|
0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE,
|
|
0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xBE, 0xB9, 0xB9, 0xB9, 0xB9,
|
|
0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9,
|
|
0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9, 0xB9,
|
|
0xB9, 0xB9, 0xB9, 0xB9, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8,
|
|
0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8,
|
|
0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8, 0xB8,
|
|
0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB,
|
|
0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB,
|
|
0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBB, 0xBA, 0xBA, 0xBA, 0xBA,
|
|
0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA,
|
|
0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA, 0xBA,
|
|
0xBA, 0xBA, 0xBA, 0xBA, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,
|
|
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,
|
|
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,
|
|
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,
|
|
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5,
|
|
0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA5, 0xA4, 0xA4, 0xA4, 0xA4,
|
|
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,
|
|
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,
|
|
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,
|
|
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,
|
|
0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4, 0xA4,
|
|
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,
|
|
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,
|
|
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,
|
|
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,
|
|
0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7, 0xA7,
|
|
0xA7, 0xA7, 0xA7, 0xA7, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
|
|
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
|
|
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
|
|
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
|
|
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
|
|
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA1, 0xA1, 0xA1, 0xA1,
|
|
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,
|
|
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,
|
|
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,
|
|
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,
|
|
0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1,
|
|
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
|
|
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
|
|
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
|
|
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
|
|
0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0, 0xA0,
|
|
0xA0, 0xA0, 0xA0, 0xA0, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,
|
|
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,
|
|
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,
|
|
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,
|
|
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3,
|
|
0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA3, 0xA2, 0xA2, 0xA2, 0xA2,
|
|
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,
|
|
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,
|
|
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,
|
|
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,
|
|
0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2, 0xA2,
|
|
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,
|
|
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,
|
|
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,
|
|
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,
|
|
0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD, 0xAD,
|
|
0xAD, 0xAD, 0xAD, 0xAD, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,
|
|
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,
|
|
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,
|
|
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,
|
|
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC,
|
|
0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAC, 0xAF, 0xAF, 0xAF, 0xAF,
|
|
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,
|
|
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,
|
|
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,
|
|
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,
|
|
0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF, 0xAF,
|
|
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,
|
|
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,
|
|
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,
|
|
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,
|
|
0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE, 0xAE,
|
|
0xAE, 0xAE, 0xAE, 0xAE, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,
|
|
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,
|
|
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,
|
|
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,
|
|
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9,
|
|
0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA9, 0xA8, 0xA8, 0xA8, 0xA8,
|
|
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,
|
|
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,
|
|
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,
|
|
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,
|
|
0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8, 0xA8,
|
|
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
|
|
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
|
|
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
|
|
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
|
|
0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB, 0xAB,
|
|
0xAB, 0xAB, 0xAB, 0xAB, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
|
|
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
|
|
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
|
|
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
|
|
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
|
|
0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0x2A
|
|
} ; /* alaw_encode */
|
|
|
|
/* Convert from alaw to signd int8 to signed int32 or float */
|
|
static int from_alaw(void* in, void* out, int len, int bps, int format)
|
|
{
|
|
register int i;
|
|
// Make sure the input parametrs are OK
|
|
if(format & (AF_FORMAT_SPECIAL_MASK | AF_FORMAT_US))
|
|
return AF_ERROR;
|
|
|
|
// Convert to int or to float
|
|
if((format & AF_FORMAT_POINT_MASK) == AF_FORMAT_I){
|
|
switch(bps){
|
|
case(1):
|
|
for(i=0;i<len;i++){
|
|
if(((int8_t*)in)[i] & 0x80)
|
|
((int8_t*)out)[i] = (-1 * alaw_decode[(((int8_t*)in)[i]) & 0x7F]) >> 8;
|
|
else
|
|
((int8_t*)out)[i] = (alaw_decode[(((int8_t*)in)[i]) & 0x7F]) >> 8;
|
|
}
|
|
break;
|
|
case(2):
|
|
for(i=0;i<len;i++){
|
|
if(((int8_t*)in)[i] & 0x80)
|
|
((int16_t*)out)[i] = -1 * alaw_decode[(((int8_t*)in)[i]) & 0x7F];
|
|
else
|
|
((int16_t*)out)[i] = alaw_decode[(((int8_t*)in)[i]) & 0x7F];
|
|
}
|
|
break;
|
|
case(4):
|
|
for(i=0;i<len;i++){
|
|
if(((int8_t*)in)[i] & 0x80)
|
|
((int32_t*)out)[i] = (-1 * alaw_decode[(((int8_t*)in)[i]) & 0x7F]) << 16;
|
|
else
|
|
((int32_t*)out)[i] = (alaw_decode[(((int8_t*)in)[i]) & 0x7F]) << 16;
|
|
}
|
|
break;
|
|
default:
|
|
return AF_ERROR;
|
|
}
|
|
}
|
|
else{
|
|
for(i=0;i<len;i++){
|
|
if(((int8_t*)in)[i] & 0x80)
|
|
((float*)out)[i] = -1.0/32768.0 * (float)alaw_decode[(((int8_t*)in)[i]) & 0x7F];
|
|
else
|
|
((float*)out)[i] = +1.0/32768.0 * (float)alaw_decode[(((int8_t*)in)[i]) & 0x7F];
|
|
}
|
|
}
|
|
return AF_OK;
|
|
}
|
|
|
|
/* Convert from singed int8 to singned int32 or float to alaw */
|
|
static int to_alaw(void* in, void* out, int len, int bps, int format)
|
|
{
|
|
register int i;
|
|
// Make sure the input parametrs are OK
|
|
if(format & (AF_FORMAT_SPECIAL_MASK | AF_FORMAT_US))
|
|
return AF_ERROR;
|
|
|
|
// Convert from int or to float
|
|
if((format & AF_FORMAT_POINT_MASK) == AF_FORMAT_I){
|
|
switch(bps){
|
|
case(1):
|
|
for(i=0;i<len;i++){
|
|
if(((int8_t*)in)[i] >= 0)
|
|
((int8_t*)out)[i] = alaw_encode[((int8_t*)in)[i] << 4];
|
|
else
|
|
((int8_t*)out)[i] = 0x7F & alaw_encode[-((int8_t*)in)[i] << 4];
|
|
}
|
|
break;
|
|
case(2):
|
|
for(i=0;i<len;i++){
|
|
if(((int16_t*)in)[i] >= 0)
|
|
((int8_t*)out)[i] = alaw_encode[((int16_t*)in)[i] / 16];
|
|
else
|
|
((int8_t*)out)[i] = 0x7F & alaw_encode[((int16_t*)in)[i] / -16];
|
|
}
|
|
break;
|
|
case(4):
|
|
for(i=0;i<len;i++){
|
|
if(((int32_t*)in)[i] >= 0)
|
|
((int8_t*)out)[i] = alaw_encode[((int32_t*)in)[i] >> (16 + 4)];
|
|
else
|
|
((int8_t*)out)[i] = 0x7F & alaw_encode[-((int32_t*)in)[i] >> (16 + 4)];
|
|
}
|
|
break;
|
|
default:
|
|
return AF_ERROR;
|
|
}
|
|
}
|
|
else{
|
|
for(i=0;i<len;i++){
|
|
if(((float*)in)[i] >= 0)
|
|
((int8_t*)out)[i] = alaw_encode[(int)(32767.0/16.0 * ((float*)in)[i])];
|
|
else
|
|
((int8_t*)out)[i] = 0x7F & alaw_encode[(int)(-32767.0/16.0 * ((float*)in)[i])];
|
|
}
|
|
}
|
|
return AF_OK;
|
|
}
|
|
#endif /* __af_format_alaw_c */
|