Josh Coalson | bb7f6b9 | 2000-12-10 04:09:52 +0000 | [diff] [blame^] | 1 | /* libFLAC - Free Lossless Audio Coder library |
| 2 | * Copyright (C) 2000 Josh Coalson |
| 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 | |
| 20 | #include <assert.h> |
| 21 | #include <stdio.h> |
| 22 | #include "FLAC/format.h" |
| 23 | |
| 24 | const unsigned FLAC__MAJOR_VERSION = 0; |
| 25 | const unsigned FLAC__MINOR_VERSION = 2; |
| 26 | |
| 27 | const byte FLAC__STREAM_SYNC_STRING[4] = { 'f','L','a','C' }; |
| 28 | const unsigned FLAC__STREAM_SYNC = 0x664C6143; |
| 29 | const unsigned FLAC__STREAM_SYNC_LEN = 32; /* bits */; |
| 30 | |
| 31 | const unsigned FLAC__STREAM_METADATA_ENCODING_MIN_BLOCK_SIZE_LEN = 16; /* bits */ |
| 32 | const unsigned FLAC__STREAM_METADATA_ENCODING_MAX_BLOCK_SIZE_LEN = 16; /* bits */ |
| 33 | const unsigned FLAC__STREAM_METADATA_ENCODING_MIN_FRAME_SIZE_LEN = 24; /* bits */ |
| 34 | const unsigned FLAC__STREAM_METADATA_ENCODING_MAX_FRAME_SIZE_LEN = 24; /* bits */ |
| 35 | const unsigned FLAC__STREAM_METADATA_ENCODING_SAMPLE_RATE_LEN = 20; /* bits */ |
| 36 | const unsigned FLAC__STREAM_METADATA_ENCODING_CHANNELS_LEN = 3; /* bits */ |
| 37 | const unsigned FLAC__STREAM_METADATA_ENCODING_BITS_PER_SAMPLE_LEN = 5; /* bits */ |
| 38 | const unsigned FLAC__STREAM_METADATA_ENCODING_TOTAL_SAMPLES_LEN = 36; /* bits */ |
| 39 | const unsigned FLAC__STREAM_METADATA_ENCODING_LENGTH = 18; /* bytes */ |
| 40 | |
| 41 | const unsigned FLAC__STREAM_METADATA_IS_LAST_LEN = 1; /* bits */ |
| 42 | const unsigned FLAC__STREAM_METADATA_TYPE_LEN = 7; /* bits */ |
| 43 | const unsigned FLAC__STREAM_METADATA_LENGTH_LEN = 24; /* bits */ |
| 44 | |
| 45 | const unsigned FLAC__FRAME_HEADER_SYNC = 0x1fe; |
| 46 | const unsigned FLAC__FRAME_HEADER_SYNC_LEN = 9; /* bits */ |
| 47 | const unsigned FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = 3; /* bits */ |
| 48 | const unsigned FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = 4; /* bits */ |
| 49 | const unsigned FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = 4; /* bits */ |
| 50 | const unsigned FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = 3; /* bits */ |
| 51 | const unsigned FLAC__FRAME_HEADER_ZERO_PAD_LEN = 1; /* bits */ |
| 52 | const unsigned FLAC__FRAME_HEADER_CRC8_LEN = 8; /* bits */ |
| 53 | |
| 54 | const unsigned FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = 2; /* bits */ |
| 55 | const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = 4; /* bits */ |
| 56 | const unsigned FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = 4; /* bits */ |
| 57 | |
| 58 | const unsigned FLAC__SUBFRAME_HEADER_LPC_QLP_COEFF_PRECISION_LEN = 4; /* bits */ |
| 59 | const unsigned FLAC__SUBFRAME_HEADER_LPC_QLP_SHIFT_LEN = 5; /* bits */ |
| 60 | const unsigned FLAC__SUBFRAME_HEADER_LPC_RICE_PARAMETER_LEN = 4; /* bits */ |
| 61 | |
| 62 | const unsigned FLAC__SUBFRAME_HEADER_TYPE_CONSTANT = 0x00; |
| 63 | const unsigned FLAC__SUBFRAME_HEADER_TYPE_VERBATIM = 0x02; |
| 64 | const unsigned FLAC__SUBFRAME_HEADER_TYPE_FIXED = 0x10; |
| 65 | const unsigned FLAC__SUBFRAME_HEADER_TYPE_LPC = 0x40; |
| 66 | const unsigned FLAC__SUBFRAME_HEADER_TYPE_LEN = 8; /* bits */ |