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/* |
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* AviWriter.cs |
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* Copyright (c) 2007-2009 kbinani |
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* |
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* This file is part of Boare.Lib.Media. |
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* |
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* Boare.Lib.Media 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.Media 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.Drawing; |
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using System.Drawing.Imaging; |
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using System.IO; |
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using System.Runtime.InteropServices; |
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|
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using bocoree; |
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|
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namespace Boare.Lib.Media { |
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|
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public unsafe class AviWriterVcm : IAviWriter { |
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private const long _THRESHOLD = 1000000000L; //AVIXリストの最大サイズ(byte) |
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private MainAVIHeader m_main_header; |
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private AVIStreamHeader m_stream_header; |
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private BinaryWriter m_stream; |
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private int m_current_chunk = 0; |
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private long m_position_in_chunk = 0L; |
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private long m_split_sreshold = 160000000L; //AVIリストの最大サイズ(byte) |
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private AVISTDINDEX m_std_index; |
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private AVISUPERINDEX m_super_index; |
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private int m_linesize;//bitmapの1行分のデータサイズ(byte) |
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private bool m_is_first = true; |
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private long m_riff_position;//"RIFF*"の*が記入されているファイルの絶対位置。RIFF-AVI のときは必ず4。RIFF-AVIXの時は変化する |
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private long m_movi_position; |
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private long m_next_framedata_position;//次に00dbデータを記入するべき場所 |
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private long m_avix_position; |
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private int m_junk_length; |
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private uint m_scale; |
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private uint m_rate; |
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private bool m_compressed = false; |
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private IntPtr m_hwnd = IntPtr.Zero; |
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private uint m_stream_fcc_handler = 808810089; |
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private string m_file; |
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//private int m_addr_compvar; |
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//private COMPVARS m_compvar; |
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private COMPVARS* m_compvar; |
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private BITMAPINFO* m_bitmapinfo_in; |
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private BITMAPINFO* m_bitmapinfo_out; |
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private IntPtr m_p_compvar; |
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private IntPtr m_p_bitmapinfo_in; |
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private IntPtr m_p_bitmapinfo_out; |
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private uint m_bih_compression = 0; |
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private long m_super_index_position; |
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private bool m_closed = false; |
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private bool m_opened = false; |
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private bool m_is_transparent = false; |
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/// <summary> |
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/// 現在記入中のmoviチャンクのサイズ |
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/// </summary> |
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private long m_this_movi_size = 0; |
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|
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private static bool s_vfw_bug_compati = false; |
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|
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public Size Size { |
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get { |
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return new Size( (int)m_main_header.dwWidth, (int)m_main_header.dwHeight ); |
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} |
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} |
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|
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public uint Scale { |
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get { |
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return m_scale; |
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} |
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} |
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|
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public uint Rate { |
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get { |
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return m_rate; |
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} |
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} |
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|
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/// <summary> |
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/// Video For Windows APIとバグコンパチブルな動作をするかどうかを表す値を取得または設定します |
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/// </summary> |
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public static bool VfwBugCompatible { |
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get { |
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return s_vfw_bug_compati; |
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} |
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set { |
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s_vfw_bug_compati = value; |
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} |
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} |
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|
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internal float frameRate { |
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get { |
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return (float)m_rate / (float)m_scale; |
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} |
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} |
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|
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/// <summary> |
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/// 指定したAVI_CONTAINER構造体にAVIファイルの情報を格納すると共に， |
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/// ファイルにヘッダー情報を書き込みます． |
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/// </summary> |
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/// <param name="file">書き込み対象のファイル</param> |
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/// <param name="scale"></param> |
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/// <param name="rate"></param> |
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/// <param name="compressed"></param> |
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public unsafe bool Open( string file, uint scale, uint rate, int width, int height, bool compressed, bool transparent, IntPtr hWnd ) { |
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#if DEBUG |
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Console.WriteLine( "AviWriterEx.Open(string,uint,uint,bool,IntPtr)" ); |
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#endif |
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m_stream = new BinaryWriter( new FileStream( file, FileMode.Create, FileAccess.Write ) ); |
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float fps = (float)rate / (float)scale; |
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m_main_header.dwMicroSecPerFrame = (uint)(1.0e6 / fps);// ! 1秒は10^6μ秒 |
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m_main_header.dwReserved1 = 0; |
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m_main_header.dwFlags = 2064; |
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m_main_header.dwInitialFrames = 0; |
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m_main_header.dwStreams = 0; |
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m_main_header.dwScale = scale; |
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m_main_header.dwRate = rate; |
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m_main_header.dwStart = 0; |
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m_main_header.dwLength = 0; |
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m_rate = rate; |
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m_scale = scale; |
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Util.fwrite( "RIFF", m_stream ); |
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Util.WriteDWORD( 0, m_stream ); |
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Util.fwrite( "AVI ", m_stream ); |
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Util.fwrite( "LIST", m_stream ); |
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Util.WriteDWORD( 0x9cc, m_stream ); |
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Util.fwrite( "hdrl", m_stream ); |
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m_current_chunk = 0; |
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m_position_in_chunk = 0L; |
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m_std_index = new AVISTDINDEX( 0L ); |
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m_super_index = new AVISUPERINDEX( 0 ); |
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m_riff_position = 0x4; |
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m_compressed = compressed; |
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m_is_transparent = transparent; |
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m_stream_fcc_handler = 0; |
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m_hwnd = hWnd; |
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m_file = file; |
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m_opened = true; |
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if ( m_is_first ) { |
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int stride = 0; |
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using ( Bitmap b = new Bitmap( width, height, m_is_transparent ? PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb ) ) { |
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BitmapData bd = b.LockBits( new Rectangle( 0, 0, width, height ), |
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ImageLockMode.ReadOnly, |
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b.PixelFormat ); |
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stride = bd.Stride; |
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b.UnlockBits( bd ); |
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} |
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m_is_first = false; |
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m_main_header.dwWidth = (uint)width; |
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m_main_header.dwHeight = (uint)height; |
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m_main_header.dwMaxBytesPerSec = (uint)(stride * height * frameRate); |
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m_main_header.dwStreams = 1; |
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m_main_header.dwSuggestedBufferSize = (uint)(stride * height); |
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m_linesize = stride; |
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|
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m_stream_header.fccType = Util.mmioFOURCC( "vids" ); |
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m_stream_header.fccHandler = 0; |
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m_stream_header.dwFlags = 0; |
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m_stream_header.dwReserved1 = 0; |
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m_stream_header.dwInitialFrames = 0; |
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m_stream_header.dwScale = m_scale; |
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m_stream_header.dwRate = m_rate; |
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m_stream_header.dwStart = 0; |
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m_stream_header.dwSuggestedBufferSize = m_main_header.dwSuggestedBufferSize; |
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m_stream_header.dwQuality = 0; |
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m_stream_header.dwSampleSize = 0; |
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|
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Util.aviWriteMainHeader( m_main_header, m_stream ); |
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|
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Util.fwrite( "LIST", m_stream ); |
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Util.WriteDWORD( 0x874, m_stream ); |
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Util.fwrite( "strl", m_stream ); |
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|
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Util.aviWriteStreamHeader( m_stream_header, m_main_header, m_stream ); |
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|
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Util.fwrite( "strf", m_stream ); |
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BITMAPINFOHEADER bih = new BITMAPINFOHEADER(); //(BITMAPINFOHEADER)Marshal.PtrToStructure( Marshal.AllocHGlobal( sizeof( BITMAPINFOHEADER ) ), typeof( BITMAPINFOHEADER ) ); |
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bih.biSize = (uint)(Marshal.SizeOf( bih )); |
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bih.biWidth = width; |
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bih.biHeight = height; |
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bih.biPlanes = 1; |
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bih.biBitCount = m_is_transparent ? (short)32 : (short)24; |
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bih.biCompression = 0;//BI_RGB |
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bih.biSizeImage = (uint)(stride * height); |
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bih.biXPelsPerMeter = 0; |
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bih.biYPelsPerMeter = 0; |
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bih.biClrUsed = 0; |
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bih.biClrImportant = 0; |
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|
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if ( m_compressed ) { |
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m_p_compvar = Marshal.AllocHGlobal( sizeof( COMPVARS ) ); |
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m_compvar = (COMPVARS*)m_p_compvar.ToPointer(); |
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byte[] buf = new byte[sizeof( COMPVARS )]; |
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for ( int i = 0; i < buf.Length; i++ ) { |
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buf[i] = 0x0; |
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} |
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Marshal.Copy( buf, 0, m_p_compvar, buf.Length ); |
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m_compvar->cbSize = sizeof( COMPVARS ); |
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int ret = VCM.ICCompressorChoose( m_hwnd, 0, IntPtr.Zero, IntPtr.Zero, m_compvar, "Select Video Compressor" ); |
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if ( ret == 0 ) { |
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m_opened = false; |
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Marshal.FreeHGlobal( m_p_compvar ); |
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m_stream.Close(); |
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return false; |
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} |
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if ( m_compvar->hic != 0 ) { |
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m_p_bitmapinfo_in = Marshal.AllocHGlobal( sizeof( BITMAPINFO ) ); |
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m_bitmapinfo_in = (BITMAPINFO*)m_p_bitmapinfo_in.ToPointer(); |
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buf = new byte[sizeof( BITMAPINFO )]; |
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for ( int i = 0; i < buf.Length; i++ ) { |
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buf[i] = 0x0; |
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} |
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Marshal.Copy( buf, 0, m_p_bitmapinfo_in, buf.Length ); |
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m_bitmapinfo_in->bmiHeader = bih; |
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uint dwSize = VCM.ICCompressGetFormatSize( m_compvar->hic, m_bitmapinfo_in ); |
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#if DEBUG |
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Console.WriteLine( "m_compvar->hic=" + m_compvar->hic ); |
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Console.WriteLine( "ICCompressGetFormatSize=" + dwSize ); |
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#endif |
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m_p_bitmapinfo_out = Marshal.AllocHGlobal( (int)dwSize ); |
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m_bitmapinfo_out = (BITMAPINFO*)m_p_bitmapinfo_out.ToPointer(); |
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buf = new byte[dwSize]; |
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for ( int i = 0; i < buf.Length; i++ ) { |
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buf[i] = 0x0; |
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} |
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Marshal.Copy( buf, 0, m_p_bitmapinfo_out, buf.Length ); |
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VCM.ICCompressGetFormat( m_compvar->hic, m_bitmapinfo_in, m_bitmapinfo_out ); |
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m_bih_compression = m_bitmapinfo_out->bmiHeader.biCompression; |
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#if DEBUG |
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Console.WriteLine( "AddFrame(Bitmap)" ); |
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Console.WriteLine( " biout.biSize=" + m_bitmapinfo_out->bmiHeader.biSize ); |
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#endif |
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VCM.ICSeqCompressFrameStart( m_compvar, m_bitmapinfo_in ); |
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bih = m_bitmapinfo_out->bmiHeader; |
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Util.WriteDWORD( bih.biSize, m_stream );// infoHeaderのサイズ |
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m_bitmapinfo_out->Write( m_stream ); |
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} else { |
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m_compressed = false; |
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Util.WriteDWORD( bih.biSize, m_stream );// infoHeaderのサイズ |
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bih.Write( m_stream ); |
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} |
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} else { |
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Util.WriteDWORD( bih.biSize, m_stream );// infoHeaderのサイズ |
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bih.Write( m_stream ); |
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} |
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|
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m_super_index_position = m_stream.BaseStream.Position; |
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Util.fwrite( "indx", m_stream ); //fcc |
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Util.WriteDWORD( 0x7f8, m_stream ); // cb |
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Util.WriteWORD( (byte)0x4, m_stream ); // wLongsPerEntry |
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Util.WriteBYTE( 0x0, m_stream ); // bIndexSubType |
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Util.WriteBYTE( Util.AVI_INDEX_OF_INDEXES, m_stream );// bIndexType |
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Util.WriteDWORD( 0x0, m_stream ); // nEntriesInUse |
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Util.fwrite( "00db", m_stream ); // dwChunkId |
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Util.WriteDWORD( 0x0, m_stream ); |
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Util.WriteDWORD( 0x0, m_stream ); |
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Util.WriteDWORD( 0x0, m_stream ); |
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for ( int ii = 1; ii <= 126; ii++ ) { |
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Util.WriteQWORD( 0x0, m_stream ); |
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Util.WriteDWORD( 0x0, m_stream ); |
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Util.WriteDWORD( 0x0, m_stream ); |
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} |
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|
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Util.fwrite( "LIST", m_stream ); |
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Util.WriteDWORD( 0x104, m_stream ); |
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Util.fwrite( "odml", m_stream ); |
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Util.fwrite( "dmlh", m_stream ); |
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Util.WriteDWORD( 0xf8, m_stream ); |
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Util.WriteDWORD( 0x0, m_stream );//ここ後で更新するべき |
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for ( int ii = 1; ii <= 61; ii++ ) { |
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Util.WriteDWORD( 0x0, m_stream ); |
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} |
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|
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Util.fwrite( "JUNK", m_stream ); |
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Util.WriteDWORD( 0x60c, m_stream ); |
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Util.WriteDWORD( 0, m_stream );//"This"が将来登録されたらやばいので |
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string msg = "This file was generated by AviWriter@Boare.Lib.Media;VfwBugCompatible=" + VfwBugCompatible; |
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const int tlen = 1544; |
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int remain = tlen - msg.Length; |
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Util.fwrite( msg, m_stream ); |
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for ( int i = 1; i <= remain; i++ ) { |
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m_stream.Write( (byte)0 ); |
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} |
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m_junk_length = 0xff4; |
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|
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Util.fwrite( "LIST", m_stream ); |
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m_movi_position = m_stream.BaseStream.Position; |
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Util.WriteDWORD( 0, m_stream );// call bmpQWordWrite( 0, avi%fp ) !// ******************ココの数字は一番最後に書き換える必要あり2040～2043あとdwTotalFrames（48～51）も |
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Util.fwrite( "movi", m_stream ); |
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m_next_framedata_position = m_stream.BaseStream.Position; |
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|
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m_std_index.SetBaseOffset( (ulong)m_next_framedata_position ); |
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m_super_index.nEntriesInUse++; |
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} |
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return true; |
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} |
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|
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public bool Open( string file, uint scale, uint rate, int width, int height, IntPtr hwnd ) { |
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return Open( file, scale, rate, width, height, false, false, hwnd ); |
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} |
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|
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//todo: AVIMainHeader.dwTotalFramesに、ファイル全体のフレーム数を入れる（仕様違反） |
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//todo: AVIStreamHeader.dwLengthに、ファイル全体のフレーム数を入れる（仕様違反） |
| 310 |
/// <summary> |
| 311 |
/// 全てのインデックスを更新し、ファイルが（動画ファイルとして）使用できる状態にします |
| 312 |
/// この関数を読んだあとでも，さらにaviAddFrame関数を使うことでフレームを追加することが出来ます． |
| 313 |
/// </summary> |
| 314 |
public void UpdateIndex() { |
| 315 |
_avisuperindex_entry entry = m_super_index.aIndex[m_current_chunk]; |
| 316 |
entry.qwOffset = (ulong)m_stream.BaseStream.Position; |
| 317 |
entry.dwSize = m_std_index.cb; |
| 318 |
m_super_index.aIndex[m_current_chunk] = entry; |
| 319 |
if ( m_stream.BaseStream.Position != m_next_framedata_position ) { |
| 320 |
m_stream.BaseStream.Seek( m_next_framedata_position, SeekOrigin.Begin ); |
| 321 |
} |
| 322 |
m_std_index.Write( m_stream ); |
| 323 |
int frames = (int)m_super_index.aIndex[m_current_chunk].dwDuration; |
| 324 |
m_avix_position = m_stream.BaseStream.Position; |
| 325 |
|
| 326 |
if ( m_current_chunk == 0 ) { |
| 327 |
uint i, step, number; |
| 328 |
step = m_main_header.dwSuggestedBufferSize + 8; |
| 329 |
|
| 330 |
Util.fwrite( "idx1", m_stream ); |
| 331 |
Util.WriteDWORD( (uint)(16 * frames), m_stream ); |
| 332 |
for ( i = 1; i <= frames; i++ ) { |
| 333 |
Util.fwrite( "00db", m_stream ); |
| 334 |
Util.WriteDWORD( Util.AVIF_HASINDEX, m_stream ); |
| 335 |
Util.WriteDWORD( (uint)(4 + (i - 1) * step), m_stream ); |
| 336 |
Util.WriteDWORD( m_main_header.dwSuggestedBufferSize, m_stream ); |
| 337 |
} |
| 338 |
m_avix_position = m_stream.BaseStream.Position; |
| 339 |
|
| 340 |
number = (uint)frames; |
| 341 |
m_stream.Seek( 0x30, SeekOrigin.Begin ); |
| 342 |
Util.WriteDWORD( number, m_stream ); |
| 343 |
m_stream.Seek( 0x8c, SeekOrigin.Begin ); |
| 344 |
Util.WriteDWORD( number, m_stream ); |
| 345 |
|
| 346 |
//odml dlmhのdwTotalFrames |
| 347 |
m_stream.Seek( 0x8e8, SeekOrigin.Begin ); |
| 348 |
Util.WriteDWORD( (uint)frames, m_stream ); |
| 349 |
|
| 350 |
// LIST****moviの****の数値を計算 |
| 351 |
number = 4;//"movi" |
| 352 |
number += (uint)(m_this_movi_size + 8 * frames);// (uint)(frames * (m_linesize * m_main_header.dwHeight + 8));//フレーム数*(フレームのサイズ+"00db"+00dbチャンクのサイズ) |
| 353 |
number += 4 + 4 + (uint)m_std_index.cb; //ix00のサイズ |
| 354 |
m_stream.BaseStream.Seek( m_movi_position, SeekOrigin.Begin ); |
| 355 |
Util.WriteDWORD( number, m_stream ); |
| 356 |
|
| 357 |
//number = 4096 + (this.mainHeader.dwSuggestedBufferSize + 24) * this.noOfFrame; |
| 358 |
//avi_writeIsolate( this.fp, number, 4 ); // RIFF****AVI の ****部分 |
| 359 |
number = (uint)m_junk_length/* 0xff4*/; //JUNKの終わりまでのサイズ。これは固定 |
| 360 |
number += 4;//"movi" |
| 361 |
number += (uint)(m_this_movi_size + 8 * frames);//00db...の合計サイズ |
| 362 |
number += 4 + 4 + (uint)m_std_index.cb; |
| 363 |
number += (uint)(4 + 4 + 16 * frames);//idx1のサイズ |
| 364 |
m_stream.BaseStream.Seek( m_riff_position, SeekOrigin.Begin ); |
| 365 |
Util.WriteDWORD( number, m_stream ); |
| 366 |
UpdateIndexOfIndex(); |
| 367 |
} else { |
| 368 |
// LIST****moviの****を更新 |
| 369 |
uint number = 4; |
| 370 |
number += (uint)(m_this_movi_size + frames * 8); |
| 371 |
number += 8 + (uint)m_std_index.cb; |
| 372 |
m_stream.BaseStream.Seek( m_movi_position, SeekOrigin.Begin ); |
| 373 |
Util.WriteDWORD( number, m_stream ); |
| 374 |
|
| 375 |
// odml dlmhのdwTotalFrames |
| 376 |
uint frames2 = 0; |
| 377 |
for ( int j = 0; j <= m_current_chunk; j++ ) { |
| 378 |
frames2 += (uint)m_super_index.aIndex[j].dwDuration; |
| 379 |
} |
| 380 |
m_stream.BaseStream.Seek( 0x8e8, SeekOrigin.Begin ); |
| 381 |
Util.WriteDWORD( frames2, m_stream ); |
| 382 |
|
| 383 |
m_stream.Seek( 48, SeekOrigin.Begin ); |
| 384 |
Util.WriteDWORD( frames2, m_stream ); |
| 385 |
|
| 386 |
m_stream.Seek( 140, SeekOrigin.Begin ); |
| 387 |
Util.WriteDWORD( frames2, m_stream ); |
| 388 |
|
| 389 |
//RIFF****AVIXの****を更新 |
| 390 |
long num2 = m_junk_length + number; |
| 391 |
m_stream.BaseStream.Seek( m_riff_position, SeekOrigin.Begin ); |
| 392 |
Util.WriteDWORD( (uint)num2, m_stream ); |
| 393 |
UpdateIndexOfIndex(); |
| 394 |
} |
| 395 |
} |
| 396 |
|
| 397 |
/// <summary> |
| 398 |
/// aviファイルを閉じます |
| 399 |
/// </summary> |
| 400 |
public unsafe void Close() { |
| 401 |
UpdateIndex(); |
| 402 |
m_stream.Close(); |
| 403 |
if ( m_compressed ) { |
| 404 |
m_stream_fcc_handler = m_compvar->fccHandler; |
| 405 |
VCM.ICSeqCompressFrameEnd( m_compvar ); |
| 406 |
VCM.ICCompressorFree( m_compvar ); |
| 407 |
using ( FileStream fs = new FileStream( m_file, FileMode.Open ) ) { |
| 408 |
fs.Seek( 0x70, SeekOrigin.Begin ); |
| 409 |
{ |
| 410 |
byte ch3 = (byte)(m_stream_fcc_handler >> 24); |
| 411 |
uint b = (uint)(m_stream_fcc_handler - (ch3 << 24)); |
| 412 |
byte ch2 = (byte)(b >> 16); |
| 413 |
b = (uint)(b - (ch2 << 16)); |
| 414 |
byte ch1 = (byte)(b >> 8); |
| 415 |
byte ch0 = (byte)(b - (ch1 << 8)); |
| 416 |
fs.Write( new byte[] { ch0, ch1, ch2, ch3 }, 0, 4 ); |
| 417 |
} |
| 418 |
fs.Seek( 0xbc, SeekOrigin.Begin ); |
| 419 |
{ |
| 420 |
byte ch3 = (byte)(m_bih_compression >> 24); |
| 421 |
uint b = (uint)(m_bih_compression - (ch3 << 24)); |
| 422 |
byte ch2 = (byte)(b >> 16); |
| 423 |
b = (uint)(b - (ch2 << 16)); |
| 424 |
byte ch1 = (byte)(b >> 8); |
| 425 |
byte ch0 = (byte)(b - (ch1 << 8)); |
| 426 |
fs.Write( new byte[] { ch0, ch1, ch2, ch3 }, 0, 4 ); |
| 427 |
} |
| 428 |
} |
| 429 |
} |
| 430 |
m_closed = true; |
| 431 |
} |
| 432 |
|
| 433 |
~AviWriterVcm() { |
| 434 |
if ( m_opened && !m_closed ) { |
| 435 |
Close(); |
| 436 |
} |
| 437 |
} |
| 438 |
|
| 439 |
/// <summary> |
| 440 |
/// 最初の[AVI :AVI[LIST:hdrl[LIST:strl]]]に書き込まれているsuper indexチャンク[indx]を更新します |
| 441 |
/// </summary> |
| 442 |
private void UpdateIndexOfIndex() { |
| 443 |
m_stream.Seek( (int)m_super_index_position, SeekOrigin.Begin ); |
| 444 |
m_super_index.Write( m_stream ); |
| 445 |
} |
| 446 |
|
| 447 |
|
| 448 |
/// <summary> |
| 449 |
/// aviファイルにフレームを1つ追加します． |
| 450 |
/// </summary> |
| 451 |
/// <param name="bmp"></param> |
| 452 |
public unsafe void AddFrame( Bitmap bmp ) { |
| 453 |
int width, height, lineSize; |
| 454 |
BitmapData bmpDat; |
| 455 |
if ( m_is_transparent ) { |
| 456 |
bmpDat = bmp.LockBits( new Rectangle( 0, 0, bmp.Width, bmp.Height ), |
| 457 |
ImageLockMode.ReadOnly, |
| 458 |
PixelFormat.Format32bppArgb ); |
| 459 |
} else { |
| 460 |
bmpDat = bmp.LockBits( new Rectangle( 0, 0, (int)bmp.Width, (int)bmp.Height ), |
| 461 |
ImageLockMode.ReadOnly, |
| 462 |
PixelFormat.Format24bppRgb ); |
| 463 |
} |
| 464 |
|
| 465 |
if ( m_next_framedata_position != m_stream.BaseStream.Position ) { |
| 466 |
m_stream.BaseStream.Seek( m_next_framedata_position, SeekOrigin.Begin ); |
| 467 |
} |
| 468 |
|
| 469 |
long chunk_size = m_next_framedata_position - m_riff_position; |
| 470 |
if ( (m_current_chunk == 0 && chunk_size > m_split_sreshold) || |
| 471 |
(m_current_chunk > 0 && chunk_size > _THRESHOLD) ) { |
| 472 |
// AVIXリストへの書き込みに移行 |
| 473 |
UpdateIndex(); |
| 474 |
m_stream.BaseStream.Seek( m_avix_position, SeekOrigin.Begin ); |
| 475 |
Util.fwrite( "RIFF", m_stream ); |
| 476 |
m_riff_position = m_stream.BaseStream.Position; |
| 477 |
Util.WriteDWORD( 0, m_stream ); |
| 478 |
Util.fwrite( "AVIX", m_stream ); |
| 479 |
long current = m_stream.BaseStream.Position; |
| 480 |
if ( (current + 12) % 0x800 != 0 ) { |
| 481 |
long additional = (current + 20) % 0x800; |
| 482 |
additional = 0x800 - ((current + 20) % 0x800); |
| 483 |
m_junk_length = (int)additional + 20; |
| 484 |
Util.fwrite( "JUNK", m_stream ); |
| 485 |
Util.WriteDWORD( (uint)additional, m_stream ); |
| 486 |
for ( long ii = 0; ii < additional; ii++ ) { |
| 487 |
Util.WriteBYTE( (byte)0, m_stream ); |
| 488 |
} |
| 489 |
} else { |
| 490 |
m_junk_length = 0; |
| 491 |
} |
| 492 |
m_junk_length = 0; |
| 493 |
|
| 494 |
Util.fwrite( "LIST", m_stream ); |
| 495 |
m_movi_position = m_stream.BaseStream.Position; |
| 496 |
Util.WriteDWORD( 0, m_stream );//後で更新するべき |
| 497 |
Util.fwrite( "movi", m_stream ); |
| 498 |
m_next_framedata_position = m_stream.BaseStream.Position; |
| 499 |
m_std_index.aIndex.Clear(); |
| 500 |
m_std_index.SetBaseOffset( (ulong)m_next_framedata_position ); |
| 501 |
m_current_chunk++; |
| 502 |
m_super_index.nEntriesInUse++; |
| 503 |
} |
| 504 |
|
| 505 |
// フレームを書き込む処理 |
| 506 |
width = (int)m_main_header.dwWidth; |
| 507 |
height = (int)m_main_header.dwHeight; |
| 508 |
if ( width != bmpDat.Width ) { |
| 509 |
return; |
| 510 |
} |
| 511 |
if ( height != bmpDat.Height ) { |
| 512 |
return; |
| 513 |
} |
| 514 |
lineSize = bmpDat.Stride; |
| 515 |
|
| 516 |
if ( m_compressed ) { |
| 517 |
int is_key_frame = 0; |
| 518 |
int size = bmpDat.Stride * bmpDat.Height; |
| 519 |
try { |
| 520 |
IntPtr dat = VCM.ICSeqCompressFrame( m_compvar, 0, bmpDat.Scan0, &is_key_frame, &size ); |
| 521 |
if ( !dat.Equals( IntPtr.Zero ) ) { |
| 522 |
byte[] ndat = new byte[size]; |
| 523 |
Marshal.Copy( dat, ndat, 0, size ); |
| 524 |
m_std_index.AddIndex( (uint)((ulong)m_stream.BaseStream.Position - m_std_index.qwBaseOffset) + 8, (uint)size ); |
| 525 |
Util.fwrite( "00db", m_stream ); |
| 526 |
Util.WriteDWORD( (uint)size, m_stream ); |
| 527 |
m_stream.Write( ndat, 0, size ); |
| 528 |
m_this_movi_size += size; |
| 529 |
} |
| 530 |
} catch { |
| 531 |
} |
| 532 |
} else { |
| 533 |
m_std_index.AddIndex( (uint)((ulong)m_stream.BaseStream.Position - m_std_index.qwBaseOffset) + 8, (uint)(lineSize * height) ); |
| 534 |
Util.fwrite( "00db", m_stream ); |
| 535 |
int address = bmpDat.Scan0.ToInt32(); |
| 536 |
byte[] bitmapData = new byte[bmpDat.Stride * bmpDat.Height]; |
| 537 |
Marshal.Copy( new IntPtr( address ), bitmapData, 0, bitmapData.Length ); |
| 538 |
Util.WriteDWORD( m_main_header.dwSuggestedBufferSize, m_stream ); |
| 539 |
m_stream.Write( bitmapData ); |
| 540 |
m_this_movi_size += bitmapData.Length; |
| 541 |
} |
| 542 |
m_next_framedata_position = m_stream.BaseStream.Position; |
| 543 |
_avisuperindex_entry entry = m_super_index.aIndex[m_current_chunk]; |
| 544 |
entry.dwDuration++; |
| 545 |
m_super_index.aIndex[m_current_chunk] = entry; |
| 546 |
m_stream.Flush(); |
| 547 |
bmp.UnlockBits( bmpDat ); |
| 548 |
} |
| 549 |
} |
| 550 |
} |
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