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https://git.femboyfinancial.jp/james/lipsync.git
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82 lines
2.2 KiB
C#
82 lines
2.2 KiB
C#
/*
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* SwfWriter.cs
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* Copyright (c) 2008-2009 kbinani
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*
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* This file is part of Boare.Lib.Swf.
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*
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* Boare.Lib.Swf is free software; you can redistribute it and/or
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* modify it under the terms of the BSD License.
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*
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* Boare.Lib.Swf 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.
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*/
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using System;
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using System.IO;
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using System.Collections.Generic;
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namespace Boare.Lib.Swf {
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using UI8 = System.Byte;
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using UI32 = System.UInt32;
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using UI16 = System.UInt16;
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using SI8 = System.SByte;
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using SI16 = System.Int16;
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using SI32 = System.Int32;
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public class SwfWriter : IDisposable {
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private const UI8 m_version = 0x6;
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private UI16 m_frame_rate;
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private UI16 m_frame_count;
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private FileStream m_stream;
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public SwfWriter( FileStream s ) {
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m_stream = s;
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// swf header
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s.WriteByte( 0x46 ); // Signature
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s.WriteByte( 0x57 ); // Signature
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s.WriteByte( 0x53 ); // Signature
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s.WriteByte( m_version ); // Version
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s.WriteByte( 0x0 ); // FileLength
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}
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public void Close() {
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if ( m_stream != null ) {
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m_stream.Close();
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}
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}
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public void Dispose() {
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Close();
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}
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public static int GetEncodedU32( byte[] pos ) {
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int result = pos[0];
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if ( (result & 0x00000080) == 0x0 ) {
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return result;
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}
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result = (result & 0x0000007f) | pos[1] << 7;
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if ( (result & 0x00004000) == 0x0 ) {
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return result;
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}
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result = (result & 0x00003fff) | pos[2] << 14;
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if ( (result & 0x00200000) == 0x0 ) {
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return result;
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}
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result = (result & 0x001fffff) | pos[3] << 21;
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if ( (result & 0x10000000) == 0x0 ) {
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return result;
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}
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result = (result & 0x0fffffff) | pos[4] << 28;
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return result;
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}
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}
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}
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