1 /* libFLAC - Free Lossless Audio Codec library
2 * Copyright (C) 2000,2001,2002 Josh Coalson
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.
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.
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.
21 #include "FLAC/format.h"
23 const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' };
24 const unsigned FLAC__STREAM_SYNC = 0x664C6143;
25 const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */;
27 const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = 16; /* bits */
28 const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = 16; /* bits */
29 const unsigned FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = 24; /* bits */
30 const unsigned FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = 24; /* bits */
31 const unsigned FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = 20; /* bits */
32 const unsigned FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = 3; /* bits */
33 const unsigned FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = 5; /* bits */
34 const unsigned FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = 36; /* bits */
35 const unsigned FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = 128; /* bits */
36 const unsigned FLAC__STREAM_METADATA_STREAMINFO_LENGTH = 34; /* bytes */
38 const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */
40 const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
41 const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
42 const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
43 const unsigned FLAC__STREAM_METADATA_SEEKPOINT_LEN = 18; /* bytes */
45 const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = 0xffffffffffffffff;
47 const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */
48 const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */
49 const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */
51 const unsigned FLAC__FRAME_HEADER_SYNC = 0x3ffe;
52 const unsigned FLAC__FRAME_HEADER_SYNC_LEN = 14; /* bits */
53 const unsigned FLAC__FRAME_HEADER_RESERVED_LEN = 2; /* bits */
54 const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 4; /* bits */
55 const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */
56 const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */
57 const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */
58 const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */
59 const unsigned FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */
61 const unsigned FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */
63 const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */
64 const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */
65 const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */
66 const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */
68 const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */
70 const char *FLAC__EntropyCodingMethodTypeString[] = {
74 const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */
75 const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */
77 const unsigned FLAC__SUBFRAME_ZERO_PAD_LEN = 1; /* bits */
78 const unsigned FLAC__SUBFRAME_TYPE_LEN = 6; /* bits */
79 const unsigned FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = 1; /* bits */
81 const unsigned FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = 0x00;
82 const unsigned FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = 0x02;
83 const unsigned FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = 0x10;
84 const unsigned FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = 0x40;
86 const char *FLAC__SubframeTypeString[] = {
93 const char *FLAC__ChannelAssignmentString[] = {
100 const char *FLAC__FrameNumberTypeString[] = {
101 "FRAME_NUMBER_TYPE_FRAME_NUMBER",
102 "FRAME_NUMBER_TYPE_SAMPLE_NUMBER"
105 const char *FLAC__MetaDataTypeString[] = {