Josh Coalson | 26560dd | 2001-02-08 00:38:41 +0000 | [diff] [blame] | 1 | /* libFLAC - Free Lossless Audio Codec library |
Josh Coalson | 305ae2e | 2002-01-26 17:36:39 +0000 | [diff] [blame] | 2 | * Copyright (C) 2000,2001,2002 Josh Coalson |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 3 | * |
| 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 | |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 20 | #include <stdio.h> |
| 21 | #include "FLAC/format.h" |
| 22 | |
Josh Coalson | 77e3f31 | 2001-06-23 03:03:24 +0000 | [diff] [blame] | 23 | const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' }; |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 24 | const unsigned FLAC__STREAM_SYNC = 0x664C6143; |
| 25 | const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */; |
| 26 | |
Josh Coalson | 2013572 | 2001-02-23 21:05:53 +0000 | [diff] [blame] | 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 */ |
| 37 | |
Josh Coalson | 52c44e9 | 2001-02-23 23:11:34 +0000 | [diff] [blame] | 38 | const unsigned FLAC__STREAM_METADATA_APPLICATION_ID_LEN = 32; /* bits */ |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 39 | |
Josh Coalson | c5d08e0 | 2001-04-10 19:13:50 +0000 | [diff] [blame] | 40 | const unsigned FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */ |
| 41 | const unsigned FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */ |
Josh Coalson | 167658a | 2001-04-13 18:22:25 +0000 | [diff] [blame] | 42 | const unsigned FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */ |
Josh Coalson | c5d08e0 | 2001-04-10 19:13:50 +0000 | [diff] [blame] | 43 | const unsigned FLAC__STREAM_METADATA_SEEKPOINT_LEN = 18; /* bytes */ |
| 44 | |
Josh Coalson | 77e3f31 | 2001-06-23 03:03:24 +0000 | [diff] [blame] | 45 | const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = 0xffffffffffffffff; |
Josh Coalson | 167658a | 2001-04-13 18:22:25 +0000 | [diff] [blame] | 46 | |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 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 */ |
| 50 | |
Josh Coalson | 215af57 | 2001-03-27 01:15:58 +0000 | [diff] [blame] | 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 */ |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 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 */ |
Josh Coalson | 215af57 | 2001-03-27 01:15:58 +0000 | [diff] [blame] | 59 | const unsigned FLAC__FRAME_HEADER_CRC_LEN = 8; /* bits */ |
| 60 | |
| 61 | const unsigned FLAC__FRAME_FOOTER_CRC_LEN = 16; /* bits */ |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 62 | |
| 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 */ |
Josh Coalson | 2051dd4 | 2001-04-12 22:22:34 +0000 | [diff] [blame] | 66 | const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = 5; /* bits */ |
| 67 | |
Josh Coalson | 6ff59c5 | 2001-04-13 18:43:53 +0000 | [diff] [blame] | 68 | const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = 15; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */ |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 69 | |
Josh Coalson | 75d0a0b | 2001-01-24 00:42:16 +0000 | [diff] [blame] | 70 | const char *FLAC__EntropyCodingMethodTypeString[] = { |
| 71 | "PARTITIONED_RICE" |
| 72 | }; |
| 73 | |
Josh Coalson | 6dcea51 | 2001-01-23 23:07:36 +0000 | [diff] [blame] | 74 | const unsigned FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */ |
| 75 | const unsigned FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = 5; /* bits */ |
Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame] | 76 | |
Josh Coalson | 215af57 | 2001-03-27 01:15:58 +0000 | [diff] [blame] | 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 */ |
| 80 | |
| 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; |
Josh Coalson | 75d0a0b | 2001-01-24 00:42:16 +0000 | [diff] [blame] | 85 | |
| 86 | const char *FLAC__SubframeTypeString[] = { |
| 87 | "CONSTANT", |
| 88 | "VERBATIM", |
| 89 | "FIXED", |
| 90 | "LPC" |
| 91 | }; |
| 92 | |
| 93 | const char *FLAC__ChannelAssignmentString[] = { |
| 94 | "INDEPENDENT", |
| 95 | "LEFT_SIDE", |
| 96 | "RIGHT_SIDE", |
| 97 | "MID_SIDE" |
| 98 | }; |
| 99 | |
Josh Coalson | 9608463 | 2001-07-16 18:07:12 +0000 | [diff] [blame] | 100 | const char *FLAC__FrameNumberTypeString[] = { |
| 101 | "FRAME_NUMBER_TYPE_FRAME_NUMBER", |
| 102 | "FRAME_NUMBER_TYPE_SAMPLE_NUMBER" |
| 103 | }; |
| 104 | |
Josh Coalson | 75d0a0b | 2001-01-24 00:42:16 +0000 | [diff] [blame] | 105 | const char *FLAC__MetaDataTypeString[] = { |
Josh Coalson | 2013572 | 2001-02-23 21:05:53 +0000 | [diff] [blame] | 106 | "STREAMINFO", |
| 107 | "PADDING", |
Josh Coalson | 9b04be7 | 2001-06-14 18:57:53 +0000 | [diff] [blame] | 108 | "APPLICATION", |
Josh Coalson | 7e19b54 | 2002-04-25 05:53:09 +0000 | [diff] [blame^] | 109 | "SEEKTABLE", |
| 110 | "VORBIS_COMMENT" |
Josh Coalson | 75d0a0b | 2001-01-24 00:42:16 +0000 | [diff] [blame] | 111 | }; |