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420 lines
26 KiB
Go
420 lines
26 KiB
Go
// Copyright 2017 Hajime Hoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package huffman
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import (
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"fmt"
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"github.com/hajimehoshi/go-mp3/internal/bits"
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)
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var huffmanTable = []uint16{
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// 1
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0x0201, 0x0000, 0x0201, 0x0010, 0x0201, 0x0001, 0x0011,
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// 2
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0x0201, 0x0000, 0x0401, 0x0201, 0x0010, 0x0001, 0x0201, 0x0011, 0x0401, 0x0201, 0x0020,
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0x0021, 0x0201, 0x0012, 0x0201, 0x0002, 0x0022,
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// 3
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0x0401, 0x0201, 0x0000, 0x0001, 0x0201, 0x0011, 0x0201, 0x0010, 0x0401, 0x0201, 0x0020,
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0x0021, 0x0201, 0x0012, 0x0201, 0x0002, 0x0022,
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// 5
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0x0201, 0x0000, 0x0401, 0x0201, 0x0010, 0x0001, 0x0201, 0x0011, 0x0801, 0x0401, 0x0201,
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0x0020, 0x0002, 0x0201, 0x0021, 0x0012, 0x0801, 0x0401, 0x0201, 0x0022, 0x0030, 0x0201,
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0x0003, 0x0013, 0x0201, 0x0031, 0x0201, 0x0032, 0x0201, 0x0023, 0x0033,
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// 6
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0x0601, 0x0401, 0x0201, 0x0000, 0x0010, 0x0011, 0x0601, 0x0201, 0x0001, 0x0201, 0x0020,
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0x0021, 0x0601, 0x0201, 0x0012, 0x0201, 0x0002, 0x0022, 0x0401, 0x0201, 0x0031, 0x0013,
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0x0401, 0x0201, 0x0030, 0x0032, 0x0201, 0x0023, 0x0201, 0x0003, 0x0033,
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// 7
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0x0201, 0x0000, 0x0401, 0x0201, 0x0010, 0x0001, 0x0801, 0x0201, 0x0011, 0x0401, 0x0201,
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0x0020, 0x0002, 0x0021, 0x1201, 0x0601, 0x0201, 0x0012, 0x0201, 0x0022, 0x0030, 0x0401,
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0x0201, 0x0031, 0x0013, 0x0401, 0x0201, 0x0003, 0x0032, 0x0201, 0x0023, 0x0004, 0x0a01,
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0x0401, 0x0201, 0x0040, 0x0041, 0x0201, 0x0014, 0x0201, 0x0042, 0x0024, 0x0c01, 0x0601,
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0x0401, 0x0201, 0x0033, 0x0043, 0x0050, 0x0401, 0x0201, 0x0034, 0x0005, 0x0051, 0x0601,
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0x0201, 0x0015, 0x0201, 0x0052, 0x0025, 0x0401, 0x0201, 0x0044, 0x0035, 0x0401, 0x0201,
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0x0053, 0x0054, 0x0201, 0x0045, 0x0055,
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// 8
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0x0601, 0x0201, 0x0000, 0x0201, 0x0010, 0x0001, 0x0201, 0x0011, 0x0401, 0x0201, 0x0021,
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0x0012, 0x0e01, 0x0401, 0x0201, 0x0020, 0x0002, 0x0201, 0x0022, 0x0401, 0x0201, 0x0030,
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0x0003, 0x0201, 0x0031, 0x0013, 0x0e01, 0x0801, 0x0401, 0x0201, 0x0032, 0x0023, 0x0201,
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0x0040, 0x0004, 0x0201, 0x0041, 0x0201, 0x0014, 0x0042, 0x0c01, 0x0601, 0x0201, 0x0024,
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0x0201, 0x0033, 0x0050, 0x0401, 0x0201, 0x0043, 0x0034, 0x0051, 0x0601, 0x0201, 0x0015,
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0x0201, 0x0005, 0x0052, 0x0601, 0x0201, 0x0025, 0x0201, 0x0044, 0x0035, 0x0201, 0x0053,
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0x0201, 0x0045, 0x0201, 0x0054, 0x0055,
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// 9
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0x0801, 0x0401, 0x0201, 0x0000, 0x0010, 0x0201, 0x0001, 0x0011, 0x0a01, 0x0401, 0x0201,
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0x0020, 0x0021, 0x0201, 0x0012, 0x0201, 0x0002, 0x0022, 0x0c01, 0x0601, 0x0401, 0x0201,
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0x0030, 0x0003, 0x0031, 0x0201, 0x0013, 0x0201, 0x0032, 0x0023, 0x0c01, 0x0401, 0x0201,
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0x0041, 0x0014, 0x0401, 0x0201, 0x0040, 0x0033, 0x0201, 0x0042, 0x0024, 0x0a01, 0x0601,
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0x0401, 0x0201, 0x0004, 0x0050, 0x0043, 0x0201, 0x0034, 0x0051, 0x0801, 0x0401, 0x0201,
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0x0015, 0x0052, 0x0201, 0x0025, 0x0044, 0x0601, 0x0401, 0x0201, 0x0005, 0x0054, 0x0053,
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0x0201, 0x0035, 0x0201, 0x0045, 0x0055,
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// 10
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0x0201, 0x0000, 0x0401, 0x0201, 0x0010, 0x0001, 0x0a01, 0x0201, 0x0011, 0x0401, 0x0201,
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0x0020, 0x0002, 0x0201, 0x0021, 0x0012, 0x1c01, 0x0801, 0x0401, 0x0201, 0x0022, 0x0030,
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0x0201, 0x0031, 0x0013, 0x0801, 0x0401, 0x0201, 0x0003, 0x0032, 0x0201, 0x0023, 0x0040,
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0x0401, 0x0201, 0x0041, 0x0014, 0x0401, 0x0201, 0x0004, 0x0033, 0x0201, 0x0042, 0x0024,
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0x1c01, 0x0a01, 0x0601, 0x0401, 0x0201, 0x0050, 0x0005, 0x0060, 0x0201, 0x0061, 0x0016,
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0x0c01, 0x0601, 0x0401, 0x0201, 0x0043, 0x0034, 0x0051, 0x0201, 0x0015, 0x0201, 0x0052,
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0x0025, 0x0401, 0x0201, 0x0026, 0x0036, 0x0071, 0x1401, 0x0801, 0x0201, 0x0017, 0x0401,
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0x0201, 0x0044, 0x0053, 0x0006, 0x0601, 0x0401, 0x0201, 0x0035, 0x0045, 0x0062, 0x0201,
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0x0070, 0x0201, 0x0007, 0x0064, 0x0e01, 0x0401, 0x0201, 0x0072, 0x0027, 0x0601, 0x0201,
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0x0063, 0x0201, 0x0054, 0x0055, 0x0201, 0x0046, 0x0073, 0x0801, 0x0401, 0x0201, 0x0037,
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0x0065, 0x0201, 0x0056, 0x0074, 0x0601, 0x0201, 0x0047, 0x0201, 0x0066, 0x0075, 0x0401,
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0x0201, 0x0057, 0x0076, 0x0201, 0x0067, 0x0077,
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// 11
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0x0601, 0x0201, 0x0000, 0x0201, 0x0010, 0x0001, 0x0801, 0x0201, 0x0011, 0x0401, 0x0201,
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0x0020, 0x0002, 0x0012, 0x1801, 0x0801, 0x0201, 0x0021, 0x0201, 0x0022, 0x0201, 0x0030,
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0x0003, 0x0401, 0x0201, 0x0031, 0x0013, 0x0401, 0x0201, 0x0032, 0x0023, 0x0401, 0x0201,
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0x0040, 0x0004, 0x0201, 0x0041, 0x0014, 0x1e01, 0x1001, 0x0a01, 0x0401, 0x0201, 0x0042,
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0x0024, 0x0401, 0x0201, 0x0033, 0x0043, 0x0050, 0x0401, 0x0201, 0x0034, 0x0051, 0x0061,
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0x0601, 0x0201, 0x0016, 0x0201, 0x0006, 0x0026, 0x0201, 0x0062, 0x0201, 0x0015, 0x0201,
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0x0005, 0x0052, 0x1001, 0x0a01, 0x0601, 0x0401, 0x0201, 0x0025, 0x0044, 0x0060, 0x0201,
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0x0063, 0x0036, 0x0401, 0x0201, 0x0070, 0x0017, 0x0071, 0x1001, 0x0601, 0x0401, 0x0201,
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0x0007, 0x0064, 0x0072, 0x0201, 0x0027, 0x0401, 0x0201, 0x0053, 0x0035, 0x0201, 0x0054,
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0x0045, 0x0a01, 0x0401, 0x0201, 0x0046, 0x0073, 0x0201, 0x0037, 0x0201, 0x0065, 0x0056,
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0x0a01, 0x0601, 0x0401, 0x0201, 0x0055, 0x0057, 0x0074, 0x0201, 0x0047, 0x0066, 0x0401,
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0x0201, 0x0075, 0x0076, 0x0201, 0x0067, 0x0077,
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// 12
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0x0c01, 0x0401, 0x0201, 0x0010, 0x0001, 0x0201, 0x0011, 0x0201, 0x0000, 0x0201, 0x0020,
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0x0002, 0x1001, 0x0401, 0x0201, 0x0021, 0x0012, 0x0401, 0x0201, 0x0022, 0x0031, 0x0201,
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0x0013, 0x0201, 0x0030, 0x0201, 0x0003, 0x0040, 0x1a01, 0x0801, 0x0401, 0x0201, 0x0032,
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0x0023, 0x0201, 0x0041, 0x0033, 0x0a01, 0x0401, 0x0201, 0x0014, 0x0042, 0x0201, 0x0024,
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0x0201, 0x0004, 0x0050, 0x0401, 0x0201, 0x0043, 0x0034, 0x0201, 0x0051, 0x0015, 0x1c01,
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0x0e01, 0x0801, 0x0401, 0x0201, 0x0052, 0x0025, 0x0201, 0x0053, 0x0035, 0x0401, 0x0201,
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0x0060, 0x0016, 0x0061, 0x0401, 0x0201, 0x0062, 0x0026, 0x0601, 0x0401, 0x0201, 0x0005,
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0x0006, 0x0044, 0x0201, 0x0054, 0x0045, 0x1201, 0x0a01, 0x0401, 0x0201, 0x0063, 0x0036,
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0x0401, 0x0201, 0x0070, 0x0007, 0x0071, 0x0401, 0x0201, 0x0017, 0x0064, 0x0201, 0x0046,
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0x0072, 0x0a01, 0x0601, 0x0201, 0x0027, 0x0201, 0x0055, 0x0073, 0x0201, 0x0037, 0x0056,
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0x0801, 0x0401, 0x0201, 0x0065, 0x0074, 0x0201, 0x0047, 0x0066, 0x0401, 0x0201, 0x0075,
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0x0057, 0x0201, 0x0076, 0x0201, 0x0067, 0x0077,
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// 13
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0x0201, 0x0000, 0x0601, 0x0201, 0x0010, 0x0201, 0x0001, 0x0011, 0x1c01, 0x0801, 0x0401,
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0x0201, 0x0020, 0x0002, 0x0201, 0x0021, 0x0012, 0x0801, 0x0401, 0x0201, 0x0022, 0x0030,
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0x0201, 0x0003, 0x0031, 0x0601, 0x0201, 0x0013, 0x0201, 0x0032, 0x0023, 0x0401, 0x0201,
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0x0040, 0x0004, 0x0041, 0x4601, 0x1c01, 0x0e01, 0x0601, 0x0201, 0x0014, 0x0201, 0x0033,
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0x0042, 0x0401, 0x0201, 0x0024, 0x0050, 0x0201, 0x0043, 0x0034, 0x0401, 0x0201, 0x0051,
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0x0015, 0x0401, 0x0201, 0x0005, 0x0052, 0x0201, 0x0025, 0x0201, 0x0044, 0x0053, 0x0e01,
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0x0801, 0x0401, 0x0201, 0x0060, 0x0006, 0x0201, 0x0061, 0x0016, 0x0401, 0x0201, 0x0080,
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0x0008, 0x0081, 0x1001, 0x0801, 0x0401, 0x0201, 0x0035, 0x0062, 0x0201, 0x0026, 0x0054,
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0x0401, 0x0201, 0x0045, 0x0063, 0x0201, 0x0036, 0x0070, 0x0601, 0x0401, 0x0201, 0x0007,
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0x0055, 0x0071, 0x0201, 0x0017, 0x0201, 0x0027, 0x0037, 0x4801, 0x1801, 0x0c01, 0x0401,
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0x0201, 0x0018, 0x0082, 0x0201, 0x0028, 0x0401, 0x0201, 0x0064, 0x0046, 0x0072, 0x0801,
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0x0401, 0x0201, 0x0084, 0x0048, 0x0201, 0x0090, 0x0009, 0x0201, 0x0091, 0x0019, 0x1801,
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0x0e01, 0x0801, 0x0401, 0x0201, 0x0073, 0x0065, 0x0201, 0x0056, 0x0074, 0x0401, 0x0201,
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0x0047, 0x0066, 0x0083, 0x0601, 0x0201, 0x0038, 0x0201, 0x0075, 0x0057, 0x0201, 0x0092,
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0x0029, 0x0e01, 0x0801, 0x0401, 0x0201, 0x0067, 0x0085, 0x0201, 0x0058, 0x0039, 0x0201,
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0x0093, 0x0201, 0x0049, 0x0086, 0x0601, 0x0201, 0x00a0, 0x0201, 0x0068, 0x000a, 0x0201,
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0x00a1, 0x001a, 0x4401, 0x1801, 0x0c01, 0x0401, 0x0201, 0x00a2, 0x002a, 0x0401, 0x0201,
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0x0095, 0x0059, 0x0201, 0x00a3, 0x003a, 0x0801, 0x0401, 0x0201, 0x004a, 0x0096, 0x0201,
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0x00b0, 0x000b, 0x0201, 0x00b1, 0x001b, 0x1401, 0x0801, 0x0201, 0x00b2, 0x0401, 0x0201,
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0x0076, 0x0077, 0x0094, 0x0601, 0x0401, 0x0201, 0x0087, 0x0078, 0x00a4, 0x0401, 0x0201,
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0x0069, 0x00a5, 0x002b, 0x0c01, 0x0601, 0x0401, 0x0201, 0x005a, 0x0088, 0x00b3, 0x0201,
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0x003b, 0x0201, 0x0079, 0x00a6, 0x0601, 0x0401, 0x0201, 0x006a, 0x00b4, 0x00c0, 0x0401,
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0x0201, 0x000c, 0x0098, 0x00c1, 0x3c01, 0x1601, 0x0a01, 0x0601, 0x0201, 0x001c, 0x0201,
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0x0089, 0x00b5, 0x0201, 0x005b, 0x00c2, 0x0401, 0x0201, 0x002c, 0x003c, 0x0401, 0x0201,
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0x00b6, 0x006b, 0x0201, 0x00c4, 0x004c, 0x1001, 0x0801, 0x0401, 0x0201, 0x00a8, 0x008a,
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0x0201, 0x00d0, 0x000d, 0x0201, 0x00d1, 0x0201, 0x004b, 0x0201, 0x0097, 0x00a7, 0x0c01,
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0x0601, 0x0201, 0x00c3, 0x0201, 0x007a, 0x0099, 0x0401, 0x0201, 0x00c5, 0x005c, 0x00b7,
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0x0401, 0x0201, 0x001d, 0x00d2, 0x0201, 0x002d, 0x0201, 0x007b, 0x00d3, 0x3401, 0x1c01,
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0x0c01, 0x0401, 0x0201, 0x003d, 0x00c6, 0x0401, 0x0201, 0x006c, 0x00a9, 0x0201, 0x009a,
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0x00d4, 0x0801, 0x0401, 0x0201, 0x00b8, 0x008b, 0x0201, 0x004d, 0x00c7, 0x0401, 0x0201,
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0x007c, 0x00d5, 0x0201, 0x005d, 0x00e0, 0x0a01, 0x0401, 0x0201, 0x00e1, 0x001e, 0x0401,
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0x0201, 0x000e, 0x002e, 0x00e2, 0x0801, 0x0401, 0x0201, 0x00e3, 0x006d, 0x0201, 0x008c,
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0x00e4, 0x0401, 0x0201, 0x00e5, 0x00ba, 0x00f0, 0x2601, 0x1001, 0x0401, 0x0201, 0x00f1,
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0x001f, 0x0601, 0x0401, 0x0201, 0x00aa, 0x009b, 0x00b9, 0x0201, 0x003e, 0x0201, 0x00d6,
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0x00c8, 0x0c01, 0x0601, 0x0201, 0x004e, 0x0201, 0x00d7, 0x007d, 0x0201, 0x00ab, 0x0201,
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0x005e, 0x00c9, 0x0601, 0x0201, 0x000f, 0x0201, 0x009c, 0x006e, 0x0201, 0x00f2, 0x002f,
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0x2001, 0x1001, 0x0601, 0x0401, 0x0201, 0x00d8, 0x008d, 0x003f, 0x0601, 0x0201, 0x00f3,
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0x0201, 0x00e6, 0x00ca, 0x0201, 0x00f4, 0x004f, 0x0801, 0x0401, 0x0201, 0x00bb, 0x00ac,
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0x0201, 0x00e7, 0x00f5, 0x0401, 0x0201, 0x00d9, 0x009d, 0x0201, 0x005f, 0x00e8, 0x1e01,
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0x0c01, 0x0601, 0x0201, 0x006f, 0x0201, 0x00f6, 0x00cb, 0x0401, 0x0201, 0x00bc, 0x00ad,
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0x00da, 0x0801, 0x0201, 0x00f7, 0x0401, 0x0201, 0x007e, 0x007f, 0x008e, 0x0601, 0x0401,
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0x0201, 0x009e, 0x00ae, 0x00cc, 0x0201, 0x00f8, 0x008f, 0x1201, 0x0801, 0x0401, 0x0201,
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0x00db, 0x00bd, 0x0201, 0x00ea, 0x00f9, 0x0401, 0x0201, 0x009f, 0x00eb, 0x0201, 0x00be,
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0x0201, 0x00cd, 0x00fa, 0x0e01, 0x0401, 0x0201, 0x00dd, 0x00ec, 0x0601, 0x0401, 0x0201,
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0x00e9, 0x00af, 0x00dc, 0x0201, 0x00ce, 0x00fb, 0x0801, 0x0401, 0x0201, 0x00bf, 0x00de,
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0x0201, 0x00cf, 0x00ee, 0x0401, 0x0201, 0x00df, 0x00ef, 0x0201, 0x00ff, 0x0201, 0x00ed,
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0x0201, 0x00fd, 0x0201, 0x00fc, 0x00fe,
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// 15
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0x1001, 0x0601, 0x0201, 0x0000, 0x0201, 0x0010, 0x0001, 0x0201, 0x0011, 0x0401, 0x0201,
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0x0020, 0x0002, 0x0201, 0x0021, 0x0012, 0x3201, 0x1001, 0x0601, 0x0201, 0x0022, 0x0201,
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0x0030, 0x0031, 0x0601, 0x0201, 0x0013, 0x0201, 0x0003, 0x0040, 0x0201, 0x0032, 0x0023,
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0x0e01, 0x0601, 0x0401, 0x0201, 0x0004, 0x0014, 0x0041, 0x0401, 0x0201, 0x0033, 0x0042,
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0x0201, 0x0024, 0x0043, 0x0a01, 0x0601, 0x0201, 0x0034, 0x0201, 0x0050, 0x0005, 0x0201,
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0x0051, 0x0015, 0x0401, 0x0201, 0x0052, 0x0025, 0x0401, 0x0201, 0x0044, 0x0053, 0x0061,
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0x5a01, 0x2401, 0x1201, 0x0a01, 0x0601, 0x0201, 0x0035, 0x0201, 0x0060, 0x0006, 0x0201,
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0x0016, 0x0062, 0x0401, 0x0201, 0x0026, 0x0054, 0x0201, 0x0045, 0x0063, 0x0a01, 0x0601,
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0x0201, 0x0036, 0x0201, 0x0070, 0x0007, 0x0201, 0x0071, 0x0055, 0x0401, 0x0201, 0x0017,
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0x0064, 0x0201, 0x0072, 0x0027, 0x1801, 0x1001, 0x0801, 0x0401, 0x0201, 0x0046, 0x0073,
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0x0201, 0x0037, 0x0065, 0x0401, 0x0201, 0x0056, 0x0080, 0x0201, 0x0008, 0x0074, 0x0401,
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0x0201, 0x0081, 0x0018, 0x0201, 0x0082, 0x0028, 0x1001, 0x0801, 0x0401, 0x0201, 0x0047,
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0x0066, 0x0201, 0x0083, 0x0038, 0x0401, 0x0201, 0x0075, 0x0057, 0x0201, 0x0084, 0x0048,
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0x0601, 0x0401, 0x0201, 0x0090, 0x0019, 0x0091, 0x0401, 0x0201, 0x0092, 0x0076, 0x0201,
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0x0067, 0x0029, 0x5c01, 0x2401, 0x1201, 0x0a01, 0x0401, 0x0201, 0x0085, 0x0058, 0x0401,
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|
0x0201, 0x0009, 0x0077, 0x0093, 0x0401, 0x0201, 0x0039, 0x0094, 0x0201, 0x0049, 0x0086,
|
|
0x0a01, 0x0601, 0x0201, 0x0068, 0x0201, 0x00a0, 0x000a, 0x0201, 0x00a1, 0x001a, 0x0401,
|
|
0x0201, 0x00a2, 0x002a, 0x0201, 0x0095, 0x0059, 0x1a01, 0x0e01, 0x0601, 0x0201, 0x00a3,
|
|
0x0201, 0x003a, 0x0087, 0x0401, 0x0201, 0x0078, 0x00a4, 0x0201, 0x004a, 0x0096, 0x0601,
|
|
0x0401, 0x0201, 0x0069, 0x00b0, 0x00b1, 0x0401, 0x0201, 0x001b, 0x00a5, 0x00b2, 0x0e01,
|
|
0x0801, 0x0401, 0x0201, 0x005a, 0x002b, 0x0201, 0x0088, 0x0097, 0x0201, 0x00b3, 0x0201,
|
|
0x0079, 0x003b, 0x0801, 0x0401, 0x0201, 0x006a, 0x00b4, 0x0201, 0x004b, 0x00c1, 0x0401,
|
|
0x0201, 0x0098, 0x0089, 0x0201, 0x001c, 0x00b5, 0x5001, 0x2201, 0x1001, 0x0601, 0x0401,
|
|
0x0201, 0x005b, 0x002c, 0x00c2, 0x0601, 0x0401, 0x0201, 0x000b, 0x00c0, 0x00a6, 0x0201,
|
|
0x00a7, 0x007a, 0x0a01, 0x0401, 0x0201, 0x00c3, 0x003c, 0x0401, 0x0201, 0x000c, 0x0099,
|
|
0x00b6, 0x0401, 0x0201, 0x006b, 0x00c4, 0x0201, 0x004c, 0x00a8, 0x1401, 0x0a01, 0x0401,
|
|
0x0201, 0x008a, 0x00c5, 0x0401, 0x0201, 0x00d0, 0x005c, 0x00d1, 0x0401, 0x0201, 0x00b7,
|
|
0x007b, 0x0201, 0x001d, 0x0201, 0x000d, 0x002d, 0x0c01, 0x0401, 0x0201, 0x00d2, 0x00d3,
|
|
0x0401, 0x0201, 0x003d, 0x00c6, 0x0201, 0x006c, 0x00a9, 0x0601, 0x0401, 0x0201, 0x009a,
|
|
0x00b8, 0x00d4, 0x0401, 0x0201, 0x008b, 0x004d, 0x0201, 0x00c7, 0x007c, 0x4401, 0x2201,
|
|
0x1201, 0x0a01, 0x0401, 0x0201, 0x00d5, 0x005d, 0x0401, 0x0201, 0x00e0, 0x000e, 0x00e1,
|
|
0x0401, 0x0201, 0x001e, 0x00e2, 0x0201, 0x00aa, 0x002e, 0x0801, 0x0401, 0x0201, 0x00b9,
|
|
0x009b, 0x0201, 0x00e3, 0x00d6, 0x0401, 0x0201, 0x006d, 0x003e, 0x0201, 0x00c8, 0x008c,
|
|
0x1001, 0x0801, 0x0401, 0x0201, 0x00e4, 0x004e, 0x0201, 0x00d7, 0x007d, 0x0401, 0x0201,
|
|
0x00e5, 0x00ba, 0x0201, 0x00ab, 0x005e, 0x0801, 0x0401, 0x0201, 0x00c9, 0x009c, 0x0201,
|
|
0x00f1, 0x001f, 0x0601, 0x0401, 0x0201, 0x00f0, 0x006e, 0x00f2, 0x0201, 0x002f, 0x00e6,
|
|
0x2601, 0x1201, 0x0801, 0x0401, 0x0201, 0x00d8, 0x00f3, 0x0201, 0x003f, 0x00f4, 0x0601,
|
|
0x0201, 0x004f, 0x0201, 0x008d, 0x00d9, 0x0201, 0x00bb, 0x00ca, 0x0801, 0x0401, 0x0201,
|
|
0x00ac, 0x00e7, 0x0201, 0x007e, 0x00f5, 0x0801, 0x0401, 0x0201, 0x009d, 0x005f, 0x0201,
|
|
0x00e8, 0x008e, 0x0201, 0x00f6, 0x00cb, 0x2201, 0x1201, 0x0a01, 0x0601, 0x0401, 0x0201,
|
|
0x000f, 0x00ae, 0x006f, 0x0201, 0x00bc, 0x00da, 0x0401, 0x0201, 0x00ad, 0x00f7, 0x0201,
|
|
0x007f, 0x00e9, 0x0801, 0x0401, 0x0201, 0x009e, 0x00cc, 0x0201, 0x00f8, 0x008f, 0x0401,
|
|
0x0201, 0x00db, 0x00bd, 0x0201, 0x00ea, 0x00f9, 0x1001, 0x0801, 0x0401, 0x0201, 0x009f,
|
|
0x00dc, 0x0201, 0x00cd, 0x00eb, 0x0401, 0x0201, 0x00be, 0x00fa, 0x0201, 0x00af, 0x00dd,
|
|
0x0e01, 0x0601, 0x0401, 0x0201, 0x00ec, 0x00ce, 0x00fb, 0x0401, 0x0201, 0x00bf, 0x00ed,
|
|
0x0201, 0x00de, 0x00fc, 0x0601, 0x0401, 0x0201, 0x00cf, 0x00fd, 0x00ee, 0x0401, 0x0201,
|
|
0x00df, 0x00fe, 0x0201, 0x00ef, 0x00ff,
|
|
// 16
|
|
0x0201, 0x0000, 0x0601, 0x0201, 0x0010, 0x0201, 0x0001, 0x0011, 0x2a01, 0x0801, 0x0401,
|
|
0x0201, 0x0020, 0x0002, 0x0201, 0x0021, 0x0012, 0x0a01, 0x0601, 0x0201, 0x0022, 0x0201,
|
|
0x0030, 0x0003, 0x0201, 0x0031, 0x0013, 0x0a01, 0x0401, 0x0201, 0x0032, 0x0023, 0x0401,
|
|
0x0201, 0x0040, 0x0004, 0x0041, 0x0601, 0x0201, 0x0014, 0x0201, 0x0033, 0x0042, 0x0401,
|
|
0x0201, 0x0024, 0x0050, 0x0201, 0x0043, 0x0034, 0x8a01, 0x2801, 0x1001, 0x0601, 0x0401,
|
|
0x0201, 0x0005, 0x0015, 0x0051, 0x0401, 0x0201, 0x0052, 0x0025, 0x0401, 0x0201, 0x0044,
|
|
0x0035, 0x0053, 0x0a01, 0x0601, 0x0401, 0x0201, 0x0060, 0x0006, 0x0061, 0x0201, 0x0016,
|
|
0x0062, 0x0801, 0x0401, 0x0201, 0x0026, 0x0054, 0x0201, 0x0045, 0x0063, 0x0401, 0x0201,
|
|
0x0036, 0x0070, 0x0071, 0x2801, 0x1201, 0x0801, 0x0201, 0x0017, 0x0201, 0x0007, 0x0201,
|
|
0x0055, 0x0064, 0x0401, 0x0201, 0x0072, 0x0027, 0x0401, 0x0201, 0x0046, 0x0065, 0x0073,
|
|
0x0a01, 0x0601, 0x0201, 0x0037, 0x0201, 0x0056, 0x0008, 0x0201, 0x0080, 0x0081, 0x0601,
|
|
0x0201, 0x0018, 0x0201, 0x0074, 0x0047, 0x0201, 0x0082, 0x0201, 0x0028, 0x0066, 0x1801,
|
|
0x0e01, 0x0801, 0x0401, 0x0201, 0x0083, 0x0038, 0x0201, 0x0075, 0x0084, 0x0401, 0x0201,
|
|
0x0048, 0x0090, 0x0091, 0x0601, 0x0201, 0x0019, 0x0201, 0x0009, 0x0076, 0x0201, 0x0092,
|
|
0x0029, 0x0e01, 0x0801, 0x0401, 0x0201, 0x0085, 0x0058, 0x0201, 0x0093, 0x0039, 0x0401,
|
|
0x0201, 0x00a0, 0x000a, 0x001a, 0x0801, 0x0201, 0x00a2, 0x0201, 0x0067, 0x0201, 0x0057,
|
|
0x0049, 0x0601, 0x0201, 0x0094, 0x0201, 0x0077, 0x0086, 0x0201, 0x00a1, 0x0201, 0x0068,
|
|
0x0095, 0xdc01, 0x7e01, 0x3201, 0x1a01, 0x0c01, 0x0601, 0x0201, 0x002a, 0x0201, 0x0059,
|
|
0x003a, 0x0201, 0x00a3, 0x0201, 0x0087, 0x0078, 0x0801, 0x0401, 0x0201, 0x00a4, 0x004a,
|
|
0x0201, 0x0096, 0x0069, 0x0401, 0x0201, 0x00b0, 0x000b, 0x00b1, 0x0a01, 0x0401, 0x0201,
|
|
0x001b, 0x00b2, 0x0201, 0x002b, 0x0201, 0x00a5, 0x005a, 0x0601, 0x0201, 0x00b3, 0x0201,
|
|
0x00a6, 0x006a, 0x0401, 0x0201, 0x00b4, 0x004b, 0x0201, 0x000c, 0x00c1, 0x1e01, 0x0e01,
|
|
0x0601, 0x0401, 0x0201, 0x00b5, 0x00c2, 0x002c, 0x0401, 0x0201, 0x00a7, 0x00c3, 0x0201,
|
|
0x006b, 0x00c4, 0x0801, 0x0201, 0x001d, 0x0401, 0x0201, 0x0088, 0x0097, 0x003b, 0x0401,
|
|
0x0201, 0x00d1, 0x00d2, 0x0201, 0x002d, 0x00d3, 0x1201, 0x0601, 0x0401, 0x0201, 0x001e,
|
|
0x002e, 0x00e2, 0x0601, 0x0401, 0x0201, 0x0079, 0x0098, 0x00c0, 0x0201, 0x001c, 0x0201,
|
|
0x0089, 0x005b, 0x0e01, 0x0601, 0x0201, 0x003c, 0x0201, 0x007a, 0x00b6, 0x0401, 0x0201,
|
|
0x004c, 0x0099, 0x0201, 0x00a8, 0x008a, 0x0601, 0x0201, 0x000d, 0x0201, 0x00c5, 0x005c,
|
|
0x0401, 0x0201, 0x003d, 0x00c6, 0x0201, 0x006c, 0x009a, 0x5801, 0x5601, 0x2401, 0x1001,
|
|
0x0801, 0x0401, 0x0201, 0x008b, 0x004d, 0x0201, 0x00c7, 0x007c, 0x0401, 0x0201, 0x00d5,
|
|
0x005d, 0x0201, 0x00e0, 0x000e, 0x0801, 0x0201, 0x00e3, 0x0401, 0x0201, 0x00d0, 0x00b7,
|
|
0x007b, 0x0601, 0x0401, 0x0201, 0x00a9, 0x00b8, 0x00d4, 0x0201, 0x00e1, 0x0201, 0x00aa,
|
|
0x00b9, 0x1801, 0x0a01, 0x0601, 0x0401, 0x0201, 0x009b, 0x00d6, 0x006d, 0x0201, 0x003e,
|
|
0x00c8, 0x0601, 0x0401, 0x0201, 0x008c, 0x00e4, 0x004e, 0x0401, 0x0201, 0x00d7, 0x00e5,
|
|
0x0201, 0x00ba, 0x00ab, 0x0c01, 0x0401, 0x0201, 0x009c, 0x00e6, 0x0401, 0x0201, 0x006e,
|
|
0x00d8, 0x0201, 0x008d, 0x00bb, 0x0801, 0x0401, 0x0201, 0x00e7, 0x009d, 0x0201, 0x00e8,
|
|
0x008e, 0x0401, 0x0201, 0x00cb, 0x00bc, 0x009e, 0x00f1, 0x0201, 0x001f, 0x0201, 0x000f,
|
|
0x002f, 0x4201, 0x3801, 0x0201, 0x00f2, 0x3401, 0x3201, 0x1401, 0x0801, 0x0201, 0x00bd,
|
|
0x0201, 0x005e, 0x0201, 0x007d, 0x00c9, 0x0601, 0x0201, 0x00ca, 0x0201, 0x00ac, 0x007e,
|
|
0x0401, 0x0201, 0x00da, 0x00ad, 0x00cc, 0x0a01, 0x0601, 0x0201, 0x00ae, 0x0201, 0x00db,
|
|
0x00dc, 0x0201, 0x00cd, 0x00be, 0x0601, 0x0401, 0x0201, 0x00eb, 0x00ed, 0x00ee, 0x0601,
|
|
0x0401, 0x0201, 0x00d9, 0x00ea, 0x00e9, 0x0201, 0x00de, 0x0401, 0x0201, 0x00dd, 0x00ec,
|
|
0x00ce, 0x003f, 0x00f0, 0x0401, 0x0201, 0x00f3, 0x00f4, 0x0201, 0x004f, 0x0201, 0x00f5,
|
|
0x005f, 0x0a01, 0x0201, 0x00ff, 0x0401, 0x0201, 0x00f6, 0x006f, 0x0201, 0x00f7, 0x007f,
|
|
0x0c01, 0x0601, 0x0201, 0x008f, 0x0201, 0x00f8, 0x00f9, 0x0401, 0x0201, 0x009f, 0x00fa,
|
|
0x00af, 0x0801, 0x0401, 0x0201, 0x00fb, 0x00bf, 0x0201, 0x00fc, 0x00cf, 0x0401, 0x0201,
|
|
0x00fd, 0x00df, 0x0201, 0x00fe, 0x00ef,
|
|
// 24
|
|
0x3c01, 0x0801, 0x0401, 0x0201, 0x0000, 0x0010, 0x0201, 0x0001, 0x0011, 0x0e01, 0x0601,
|
|
0x0401, 0x0201, 0x0020, 0x0002, 0x0021, 0x0201, 0x0012, 0x0201, 0x0022, 0x0201, 0x0030,
|
|
0x0003, 0x0e01, 0x0401, 0x0201, 0x0031, 0x0013, 0x0401, 0x0201, 0x0032, 0x0023, 0x0401,
|
|
0x0201, 0x0040, 0x0004, 0x0041, 0x0801, 0x0401, 0x0201, 0x0014, 0x0033, 0x0201, 0x0042,
|
|
0x0024, 0x0601, 0x0401, 0x0201, 0x0043, 0x0034, 0x0051, 0x0601, 0x0401, 0x0201, 0x0050,
|
|
0x0005, 0x0015, 0x0201, 0x0052, 0x0025, 0xfa01, 0x6201, 0x2201, 0x1201, 0x0a01, 0x0401,
|
|
0x0201, 0x0044, 0x0053, 0x0201, 0x0035, 0x0201, 0x0060, 0x0006, 0x0401, 0x0201, 0x0061,
|
|
0x0016, 0x0201, 0x0062, 0x0026, 0x0801, 0x0401, 0x0201, 0x0054, 0x0045, 0x0201, 0x0063,
|
|
0x0036, 0x0401, 0x0201, 0x0071, 0x0055, 0x0201, 0x0064, 0x0046, 0x2001, 0x0e01, 0x0601,
|
|
0x0201, 0x0072, 0x0201, 0x0027, 0x0037, 0x0201, 0x0073, 0x0401, 0x0201, 0x0070, 0x0007,
|
|
0x0017, 0x0a01, 0x0401, 0x0201, 0x0065, 0x0056, 0x0401, 0x0201, 0x0080, 0x0008, 0x0081,
|
|
0x0401, 0x0201, 0x0074, 0x0047, 0x0201, 0x0018, 0x0082, 0x1001, 0x0801, 0x0401, 0x0201,
|
|
0x0028, 0x0066, 0x0201, 0x0083, 0x0038, 0x0401, 0x0201, 0x0075, 0x0057, 0x0201, 0x0084,
|
|
0x0048, 0x0801, 0x0401, 0x0201, 0x0091, 0x0019, 0x0201, 0x0092, 0x0076, 0x0401, 0x0201,
|
|
0x0067, 0x0029, 0x0201, 0x0085, 0x0058, 0x5c01, 0x2201, 0x1001, 0x0801, 0x0401, 0x0201,
|
|
0x0093, 0x0039, 0x0201, 0x0094, 0x0049, 0x0401, 0x0201, 0x0077, 0x0086, 0x0201, 0x0068,
|
|
0x00a1, 0x0801, 0x0401, 0x0201, 0x00a2, 0x002a, 0x0201, 0x0095, 0x0059, 0x0401, 0x0201,
|
|
0x00a3, 0x003a, 0x0201, 0x0087, 0x0201, 0x0078, 0x004a, 0x1601, 0x0c01, 0x0401, 0x0201,
|
|
0x00a4, 0x0096, 0x0401, 0x0201, 0x0069, 0x00b1, 0x0201, 0x001b, 0x00a5, 0x0601, 0x0201,
|
|
0x00b2, 0x0201, 0x005a, 0x002b, 0x0201, 0x0088, 0x00b3, 0x1001, 0x0a01, 0x0601, 0x0201,
|
|
0x0090, 0x0201, 0x0009, 0x00a0, 0x0201, 0x0097, 0x0079, 0x0401, 0x0201, 0x00a6, 0x006a,
|
|
0x00b4, 0x0c01, 0x0601, 0x0201, 0x001a, 0x0201, 0x000a, 0x00b0, 0x0201, 0x003b, 0x0201,
|
|
0x000b, 0x00c0, 0x0401, 0x0201, 0x004b, 0x00c1, 0x0201, 0x0098, 0x0089, 0x4301, 0x2201,
|
|
0x1001, 0x0801, 0x0401, 0x0201, 0x001c, 0x00b5, 0x0201, 0x005b, 0x00c2, 0x0401, 0x0201,
|
|
0x002c, 0x00a7, 0x0201, 0x007a, 0x00c3, 0x0a01, 0x0601, 0x0201, 0x003c, 0x0201, 0x000c,
|
|
0x00d0, 0x0201, 0x00b6, 0x006b, 0x0401, 0x0201, 0x00c4, 0x004c, 0x0201, 0x0099, 0x00a8,
|
|
0x1001, 0x0801, 0x0401, 0x0201, 0x008a, 0x00c5, 0x0201, 0x005c, 0x00d1, 0x0401, 0x0201,
|
|
0x00b7, 0x007b, 0x0201, 0x001d, 0x00d2, 0x0901, 0x0401, 0x0201, 0x002d, 0x00d3, 0x0201,
|
|
0x003d, 0x00c6, 0x55fa, 0x0401, 0x0201, 0x006c, 0x00a9, 0x0201, 0x009a, 0x00d4, 0x2001,
|
|
0x1001, 0x0801, 0x0401, 0x0201, 0x00b8, 0x008b, 0x0201, 0x004d, 0x00c7, 0x0401, 0x0201,
|
|
0x007c, 0x00d5, 0x0201, 0x005d, 0x00e1, 0x0801, 0x0401, 0x0201, 0x001e, 0x00e2, 0x0201,
|
|
0x00aa, 0x00b9, 0x0401, 0x0201, 0x009b, 0x00e3, 0x0201, 0x00d6, 0x006d, 0x1401, 0x0a01,
|
|
0x0601, 0x0201, 0x003e, 0x0201, 0x002e, 0x004e, 0x0201, 0x00c8, 0x008c, 0x0401, 0x0201,
|
|
0x00e4, 0x00d7, 0x0401, 0x0201, 0x007d, 0x00ab, 0x00e5, 0x0a01, 0x0401, 0x0201, 0x00ba,
|
|
0x005e, 0x0201, 0x00c9, 0x0201, 0x009c, 0x006e, 0x0801, 0x0201, 0x00e6, 0x0201, 0x000d,
|
|
0x0201, 0x00e0, 0x000e, 0x0401, 0x0201, 0x00d8, 0x008d, 0x0201, 0x00bb, 0x00ca, 0x4a01,
|
|
0x0201, 0x00ff, 0x4001, 0x3a01, 0x2001, 0x1001, 0x0801, 0x0401, 0x0201, 0x00ac, 0x00e7,
|
|
0x0201, 0x007e, 0x00d9, 0x0401, 0x0201, 0x009d, 0x00e8, 0x0201, 0x008e, 0x00cb, 0x0801,
|
|
0x0401, 0x0201, 0x00bc, 0x00da, 0x0201, 0x00ad, 0x00e9, 0x0401, 0x0201, 0x009e, 0x00cc,
|
|
0x0201, 0x00db, 0x00bd, 0x1001, 0x0801, 0x0401, 0x0201, 0x00ea, 0x00ae, 0x0201, 0x00dc,
|
|
0x00cd, 0x0401, 0x0201, 0x00eb, 0x00be, 0x0201, 0x00dd, 0x00ec, 0x0801, 0x0401, 0x0201,
|
|
0x00ce, 0x00ed, 0x0201, 0x00de, 0x00ee, 0x000f, 0x0401, 0x0201, 0x00f0, 0x001f, 0x00f1,
|
|
0x0401, 0x0201, 0x00f2, 0x002f, 0x0201, 0x00f3, 0x003f, 0x1201, 0x0801, 0x0401, 0x0201,
|
|
0x00f4, 0x004f, 0x0201, 0x00f5, 0x005f, 0x0401, 0x0201, 0x00f6, 0x006f, 0x0201, 0x00f7,
|
|
0x0201, 0x007f, 0x008f, 0x0a01, 0x0401, 0x0201, 0x00f8, 0x00f9, 0x0401, 0x0201, 0x009f,
|
|
0x00af, 0x00fa, 0x0801, 0x0401, 0x0201, 0x00fb, 0x00bf, 0x0201, 0x00fc, 0x00cf, 0x0401,
|
|
0x0201, 0x00fd, 0x00df, 0x0201, 0x00fe, 0x00ef,
|
|
// 32
|
|
0x0201, 0x0000, 0x0801, 0x0401, 0x0201, 0x0008, 0x0004, 0x0201, 0x0001, 0x0002, 0x0801,
|
|
0x0401, 0x0201, 0x000c, 0x000a, 0x0201, 0x0003, 0x0006, 0x0601, 0x0201, 0x0009, 0x0201,
|
|
0x0005, 0x0007, 0x0401, 0x0201, 0x000e, 0x000d, 0x0201, 0x000f, 0x000b,
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|
// 33
|
|
0x1001, 0x0801, 0x0401, 0x0201, 0x0000, 0x0001, 0x0201, 0x0002, 0x0003, 0x0401, 0x0201,
|
|
0x0004, 0x0005, 0x0201, 0x0006, 0x0007, 0x0801, 0x0401, 0x0201, 0x0008, 0x0009, 0x0201,
|
|
0x000a, 0x000b, 0x0401, 0x0201, 0x000c, 0x000d, 0x0201, 0x000e, 0x000f,
|
|
}
|
|
|
|
type huffTables struct {
|
|
hufftable []uint16
|
|
treelen int
|
|
linbits int
|
|
}
|
|
|
|
var huffmanMain = [...]huffTables{
|
|
{nil, 0, 0}, // Table 0
|
|
{huffmanTable, 7, 0}, // Table 1
|
|
{huffmanTable[7:], 17, 0}, // Table 2
|
|
{huffmanTable[24:], 17, 0}, // Table 3
|
|
{nil, 0, 0}, // Table 4
|
|
{huffmanTable[41:], 31, 0}, // Table 5
|
|
{huffmanTable[72:], 31, 0}, // Table 6
|
|
{huffmanTable[103:], 71, 0}, // Table 7
|
|
{huffmanTable[174:], 71, 0}, // Table 8
|
|
{huffmanTable[245:], 71, 0}, // Table 9
|
|
{huffmanTable[316:], 127, 0}, // Table 10
|
|
{huffmanTable[443:], 127, 0}, // Table 11
|
|
{huffmanTable[570:], 127, 0}, // Table 12
|
|
{huffmanTable[697:], 511, 0}, // Table 13
|
|
{nil, 0, 0}, // Table 14
|
|
{huffmanTable[1208:], 511, 0}, // Table 15
|
|
{huffmanTable[1719:], 511, 1}, // Table 16
|
|
{huffmanTable[1719:], 511, 2}, // Table 17
|
|
{huffmanTable[1719:], 511, 3}, // Table 18
|
|
{huffmanTable[1719:], 511, 4}, // Table 19
|
|
{huffmanTable[1719:], 511, 6}, // Table 20
|
|
{huffmanTable[1719:], 511, 8}, // Table 21
|
|
{huffmanTable[1719:], 511, 10}, // Table 22
|
|
{huffmanTable[1719:], 511, 13}, // Table 23
|
|
{huffmanTable[2230:], 512, 4}, // Table 24
|
|
{huffmanTable[2230:], 512, 5}, // Table 25
|
|
{huffmanTable[2230:], 512, 6}, // Table 26
|
|
{huffmanTable[2230:], 512, 7}, // Table 27
|
|
{huffmanTable[2230:], 512, 8}, // Table 28
|
|
{huffmanTable[2230:], 512, 9}, // Table 29
|
|
{huffmanTable[2230:], 512, 11}, // Table 30
|
|
{huffmanTable[2230:], 512, 13}, // Table 31
|
|
{huffmanTable[2742:], 31, 0}, // Table 32
|
|
{huffmanTable[2773:], 31, 0}, // Table 33
|
|
}
|
|
|
|
func Decode(m *bits.Bits, table_num int) (x, y, v, w int, err error) {
|
|
point := 0
|
|
error := 1
|
|
bitsleft := 32
|
|
treelen := huffmanMain[table_num].treelen
|
|
linbits := huffmanMain[table_num].linbits
|
|
if treelen == 0 { // Check for empty tables
|
|
return 0, 0, 0, 0, nil
|
|
}
|
|
htptr := huffmanMain[table_num].hufftable
|
|
for { // Start reading the Huffman code word,bit by bit
|
|
// Check if we've matched a code word
|
|
if (htptr[point] & 0xff00) == 0 {
|
|
error = 0
|
|
x = int((htptr[point] >> 4) & 0xf)
|
|
y = int(htptr[point] & 0xf)
|
|
break
|
|
}
|
|
if m.Bit() != 0 { // Go right in tree
|
|
for (htptr[point] & 0xff) >= 250 {
|
|
point += int(htptr[point]) & 0xff
|
|
}
|
|
point += int(htptr[point]) & 0xff
|
|
} else { // Go left in tree
|
|
for (htptr[point] >> 8) >= 250 {
|
|
point += int(htptr[point]) >> 8
|
|
}
|
|
point += int(htptr[point]) >> 8
|
|
}
|
|
bitsleft--
|
|
if bitsleft <= 0 || point >= treelen {
|
|
break
|
|
}
|
|
}
|
|
if error != 0 { // Check for error.
|
|
err := fmt.Errorf("mp3: illegal Huff code in data. bleft = %d, point = %d. tab = %d.",
|
|
bitsleft, point, table_num)
|
|
return 0, 0, 0, 0, err
|
|
}
|
|
if table_num > 31 { // Process sign encodings for quadruples tables.
|
|
v = (y >> 3) & 1
|
|
w = (y >> 2) & 1
|
|
x = (y >> 1) & 1
|
|
y = y & 1
|
|
if (v != 0) && (m.Bit() == 1) {
|
|
v = -v
|
|
}
|
|
if (w != 0) && (m.Bit() == 1) {
|
|
w = -w
|
|
}
|
|
if (x != 0) && (m.Bit() == 1) {
|
|
x = -x
|
|
}
|
|
if (y != 0) && (m.Bit() == 1) {
|
|
y = -y
|
|
}
|
|
} else {
|
|
if (linbits != 0) && (x == 15) {
|
|
x += m.Bits(linbits) // Get linbits
|
|
}
|
|
if (x != 0) && (m.Bit() == 1) {
|
|
x = -x // Get sign bit
|
|
}
|
|
if (linbits != 0) && (y == 15) {
|
|
y += m.Bits(linbits) // Get linbits
|
|
}
|
|
if (y != 0) && (m.Bit() == 1) {
|
|
y = -y // Get sign bit
|
|
}
|
|
}
|
|
return x, y, v, w, nil
|
|
}
|