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Josh Coalsonbb7f6b92000-12-10 04:09:52 +00001/* libFLAC - Free Lossless Audio Coder library
Josh Coalson70118f62001-01-16 20:17:53 +00002 * Copyright (C) 2000,2001 Josh Coalson
Josh Coalsonbb7f6b92000-12-10 04:09:52 +00003 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20#include <assert.h>
21#include <stdio.h>
22#include "FLAC/format.h"
23
24const unsigned FLAC__MAJOR_VERSION = 0;
Josh Coalsonc08be9a2001-01-16 00:12:58 +000025const unsigned FLAC__MINOR_VERSION = 5;
Josh Coalsonbb7f6b92000-12-10 04:09:52 +000026
27const byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' };
28const unsigned FLAC__STREAM_SYNC = 0x664C6143;
29const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */;
30
31const unsigned FLAC__STREAM_METADATA_ENCODING_MIN_BLOCK_SIZE_LEN = 16; /* bits */
32const unsigned FLAC__STREAM_METADATA_ENCODING_MAX_BLOCK_SIZE_LEN = 16; /* bits */
33const unsigned FLAC__STREAM_METADATA_ENCODING_MIN_FRAME_SIZE_LEN = 24; /* bits */
34const unsigned FLAC__STREAM_METADATA_ENCODING_MAX_FRAME_SIZE_LEN = 24; /* bits */
35const unsigned FLAC__STREAM_METADATA_ENCODING_SAMPLE_RATE_LEN = 20; /* bits */
36const unsigned FLAC__STREAM_METADATA_ENCODING_CHANNELS_LEN = 3; /* bits */
37const unsigned FLAC__STREAM_METADATA_ENCODING_BITS_PER_SAMPLE_LEN = 5; /* bits */
38const unsigned FLAC__STREAM_METADATA_ENCODING_TOTAL_SAMPLES_LEN = 36; /* bits */
Josh Coalsonfa37f1c2001-01-12 23:55:11 +000039const unsigned FLAC__STREAM_METADATA_ENCODING_MD5SUM_LEN = 128; /* bits */
40const unsigned FLAC__STREAM_METADATA_ENCODING_LENGTH = 34; /* bytes */
Josh Coalsonbb7f6b92000-12-10 04:09:52 +000041
42const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
43const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
44const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
45
46const unsigned FLAC__FRAME_HEADER_SYNC = 0x1fe;
47const unsigned FLAC__FRAME_HEADER_SYNC_LEN = 9; /* bits */
48const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 3; /* bits */
49const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */
50const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */
51const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */
52const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */
53const unsigned FLAC__FRAME_HEADER_CRC8_LEN = 8; /* bits */
54
55const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */
56const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */
57const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
58
Josh Coalson75d0a0b2001-01-24 00:42:16 +000059const char *FLAC__EntropyCodingMethodTypeString[] = {
60 "PARTITIONED_RICE"
61};
62
Josh Coalson6dcea512001-01-23 23:07:36 +000063const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */
64const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */
65const unsigned FLAC__SUBFRAME_LPC_RICE_PARAMETER_LEN = 4; /* bits */
Josh Coalsonbb7f6b92000-12-10 04:09:52 +000066
Josh Coalson6dcea512001-01-23 23:07:36 +000067const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BITS = 0x00;
68const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BITS = 0x02;
69const unsigned FLAC__SUBFRAME_TYPE_FIXED_BITS = 0x10;
70const unsigned FLAC__SUBFRAME_TYPE_LPC_BITS = 0x40;
71const unsigned FLAC__SUBFRAME_TYPE_LEN = 8; /* bits */
Josh Coalson75d0a0b2001-01-24 00:42:16 +000072
73const char *FLAC__SubframeTypeString[] = {
74 "CONSTANT",
75 "VERBATIM",
76 "FIXED",
77 "LPC"
78};
79
80const char *FLAC__ChannelAssignmentString[] = {
81 "INDEPENDENT",
82 "LEFT_SIDE",
83 "RIGHT_SIDE",
84 "MID_SIDE"
85};
86
87const char *FLAC__MetaDataTypeString[] = {
88 "ENCODING"
89};