70 lines
3.1 KiB
C#
70 lines
3.1 KiB
C#
/* Copyright (c) 2007-2008 CSIRO
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Copyright (c) 2007-2011 Xiph.Org Foundation
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Originally written by Jean-Marc Valin, Gregory Maxwell, Koen Vos,
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Timothy B. Terriberry, and the Opus open-source contributors
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Ported to C# by Logan Stromberg
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Internet Society, IETF or IETF Trust, nor the
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names of specific contributors, may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Concentus.Structs
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{
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internal class VorbisLayout
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{
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internal VorbisLayout(int streams, int coupled_streams, byte[] map)
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{
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nb_streams = streams;
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nb_coupled_streams = coupled_streams;
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mapping = map;
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}
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internal int nb_streams;
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internal int nb_coupled_streams;
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internal byte[] mapping;
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/* Index is nb_channel-1*/
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internal static readonly VorbisLayout[] vorbis_mappings = {
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new VorbisLayout(1, 0, new byte[] {0}), /* 1: mono */
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new VorbisLayout(1, 1, new byte[] {0, 1}), /* 2: stereo */
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new VorbisLayout(2, 1, new byte[] {0, 2, 1}), /* 3: 1-d surround */
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new VorbisLayout(2, 2, new byte[] {0, 1, 2, 3}), /* 4: quadraphonic surround */
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new VorbisLayout(3, 2, new byte[] {0, 4, 1, 2, 3}), /* 5: 5-channel surround */
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new VorbisLayout(4, 2, new byte[] {0, 4, 1, 2, 3, 5}), /* 6: 5.1 surround */
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new VorbisLayout(4, 3, new byte[] {0, 4, 1, 2, 3, 5, 6}), /* 7: 6.1 surround */
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new VorbisLayout(5, 3, new byte[] {0, 6, 1, 2, 3, 4, 5, 7}), /* 8: 7.1 surround */
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};
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}
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}
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