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68 lines
2.8 KiB
C#
68 lines
2.8 KiB
C#
/**
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* CUETools.Flake: pure managed FLAC audio encoder
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* Copyright (c) 2009-2021 Grigory Chudov
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* Based on Flake encoder, http://flake-enc.sourceforge.net/
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* Copyright (c) 2006-2009 Justin Ruggles
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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using System;
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namespace CUETools.Codecs.Flake;
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public class FlakeConstants
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{
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public const int MAX_BLOCKSIZE = 65535;
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public const int MAX_RICE_PARAM = 14;
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public const int MAX_PARTITION_ORDER = 8;
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public const int MAX_PARTITIONS = 1 << MAX_PARTITION_ORDER;
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public const int FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = 64; /* bits */
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public const int FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = 64; /* bits */
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public const int FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = 16; /* bits */
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public static readonly int[] flac_samplerates =
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[
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0, 88200, 176400, 192000, 8000, 16000, 22050, 24000, 32000, 44100, 48000, 96000, 0, 0, 0, 0
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];
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//1100 : get 8 bit sample rate (in kHz) from end of header
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//1101 : get 16 bit sample rate (in Hz) from end of header
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//1110 : get 16 bit sample rate (in tens of Hz) from end of header
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public static readonly int[] flac_blocksizes =
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[
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0, 192, 576, 1152, 2304, 4608, 0, 0, 256, 512, 1024, 2048, 4096, 8192, 16384
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];
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//0110 : get 8 bit (blocksize-1) from end of header
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//0111 : get 16 bit (blocksize-1) from end of header
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public static readonly int[] flac_bitdepths = [0, 8, 12, 0, 16, 20, 24, 0];
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public static PredictionType LookupPredictionType(string name) =>
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(PredictionType)Enum.Parse(typeof(PredictionType), name, true);
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public static StereoMethod LookupStereoMethod(string name) =>
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(StereoMethod)Enum.Parse(typeof(StereoMethod), name, true);
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public static WindowMethod LookupWindowMethod(string name) =>
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(WindowMethod)Enum.Parse(typeof(WindowMethod), name, true);
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public static OrderMethod LookupOrderMethod(string name) =>
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(OrderMethod)Enum.Parse(typeof(OrderMethod), name, true);
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public static WindowFunction LookupWindowFunction(string name) =>
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(WindowFunction)Enum.Parse(typeof(WindowFunction), name, true);
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} |