mirror of
https://git.femboyfinancial.jp/james/lipsync.git
synced 2024-11-22 02:32:04 -08:00
550 lines
26 KiB
C#
550 lines
26 KiB
C#
/*
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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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using bocoree;
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namespace Boare.Lib.Media {
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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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private static bool s_vfw_bug_compati = false;
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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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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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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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/// <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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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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/// <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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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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Util.aviWriteMainHeader( m_main_header, m_stream );
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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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Util.aviWriteStreamHeader( m_stream_header, m_main_header, m_stream );
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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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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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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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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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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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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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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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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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//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）
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/// <summary>
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/// 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
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/// 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．
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/// </summary>
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public void UpdateIndex() {
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_avisuperindex_entry entry = m_super_index.aIndex[m_current_chunk];
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entry.qwOffset = (ulong)m_stream.BaseStream.Position;
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entry.dwSize = m_std_index.cb;
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m_super_index.aIndex[m_current_chunk] = entry;
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if ( m_stream.BaseStream.Position != m_next_framedata_position ) {
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m_stream.BaseStream.Seek( m_next_framedata_position, SeekOrigin.Begin );
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}
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m_std_index.Write( m_stream );
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int frames = (int)m_super_index.aIndex[m_current_chunk].dwDuration;
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m_avix_position = m_stream.BaseStream.Position;
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if ( m_current_chunk == 0 ) {
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uint i, step, number;
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step = m_main_header.dwSuggestedBufferSize + 8;
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Util.fwrite( "idx1", m_stream );
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Util.WriteDWORD( (uint)(16 * frames), m_stream );
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for ( i = 1; i <= frames; i++ ) {
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Util.fwrite( "00db", m_stream );
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Util.WriteDWORD( Util.AVIF_HASINDEX, m_stream );
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Util.WriteDWORD( (uint)(4 + (i - 1) * step), m_stream );
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Util.WriteDWORD( m_main_header.dwSuggestedBufferSize, m_stream );
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}
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m_avix_position = m_stream.BaseStream.Position;
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number = (uint)frames;
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m_stream.Seek( 0x30, SeekOrigin.Begin );
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Util.WriteDWORD( number, m_stream );
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m_stream.Seek( 0x8c, SeekOrigin.Begin );
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Util.WriteDWORD( number, m_stream );
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//odml dlmhのdwTotalFrames
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m_stream.Seek( 0x8e8, SeekOrigin.Begin );
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Util.WriteDWORD( (uint)frames, m_stream );
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// LIST****moviの****の数値を計算
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number = 4;//"movi"
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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)
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number += 4 + 4 + (uint)m_std_index.cb; //ix00のサイズ
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m_stream.BaseStream.Seek( m_movi_position, SeekOrigin.Begin );
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Util.WriteDWORD( number, m_stream );
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//number = 4096 + (this.mainHeader.dwSuggestedBufferSize + 24) * this.noOfFrame;
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//avi_writeIsolate( this.fp, number, 4 ); // RIFF****AVI の ****部分
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number = (uint)m_junk_length/* 0xff4*/; //JUNKの終わりまでのサイズ。これは固定
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number += 4;//"movi"
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number += (uint)(m_this_movi_size + 8 * frames);//00db...の合計サイズ
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number += 4 + 4 + (uint)m_std_index.cb;
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number += (uint)(4 + 4 + 16 * frames);//idx1のサイズ
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m_stream.BaseStream.Seek( m_riff_position, SeekOrigin.Begin );
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Util.WriteDWORD( number, m_stream );
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UpdateIndexOfIndex();
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} else {
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// LIST****moviの****を更新
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uint number = 4;
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number += (uint)(m_this_movi_size + frames * 8);
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number += 8 + (uint)m_std_index.cb;
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m_stream.BaseStream.Seek( m_movi_position, SeekOrigin.Begin );
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Util.WriteDWORD( number, m_stream );
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// odml dlmhのdwTotalFrames
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uint frames2 = 0;
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for ( int j = 0; j <= m_current_chunk; j++ ) {
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frames2 += (uint)m_super_index.aIndex[j].dwDuration;
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}
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m_stream.BaseStream.Seek( 0x8e8, SeekOrigin.Begin );
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Util.WriteDWORD( frames2, m_stream );
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m_stream.Seek( 48, SeekOrigin.Begin );
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Util.WriteDWORD( frames2, m_stream );
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m_stream.Seek( 140, SeekOrigin.Begin );
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Util.WriteDWORD( frames2, m_stream );
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//RIFF****AVIXの****を更新
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long num2 = m_junk_length + number;
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m_stream.BaseStream.Seek( m_riff_position, SeekOrigin.Begin );
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Util.WriteDWORD( (uint)num2, m_stream );
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UpdateIndexOfIndex();
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}
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}
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/// <summary>
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/// aviファイルを閉じます
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/// </summary>
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public unsafe void Close() {
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UpdateIndex();
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m_stream.Close();
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if ( m_compressed ) {
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m_stream_fcc_handler = m_compvar->fccHandler;
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VCM.ICSeqCompressFrameEnd( m_compvar );
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VCM.ICCompressorFree( m_compvar );
|
||
using ( FileStream fs = new FileStream( m_file, FileMode.Open ) ) {
|
||
fs.Seek( 0x70, SeekOrigin.Begin );
|
||
{
|
||
byte ch3 = (byte)(m_stream_fcc_handler >> 24);
|
||
uint b = (uint)(m_stream_fcc_handler - (ch3 << 24));
|
||
byte ch2 = (byte)(b >> 16);
|
||
b = (uint)(b - (ch2 << 16));
|
||
byte ch1 = (byte)(b >> 8);
|
||
byte ch0 = (byte)(b - (ch1 << 8));
|
||
fs.Write( new byte[] { ch0, ch1, ch2, ch3 }, 0, 4 );
|
||
}
|
||
fs.Seek( 0xbc, SeekOrigin.Begin );
|
||
{
|
||
byte ch3 = (byte)(m_bih_compression >> 24);
|
||
uint b = (uint)(m_bih_compression - (ch3 << 24));
|
||
byte ch2 = (byte)(b >> 16);
|
||
b = (uint)(b - (ch2 << 16));
|
||
byte ch1 = (byte)(b >> 8);
|
||
byte ch0 = (byte)(b - (ch1 << 8));
|
||
fs.Write( new byte[] { ch0, ch1, ch2, ch3 }, 0, 4 );
|
||
}
|
||
}
|
||
}
|
||
m_closed = true;
|
||
}
|
||
|
||
~AviWriterVcm() {
|
||
if ( m_opened && !m_closed ) {
|
||
Close();
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 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
|
||
/// </summary>
|
||
private void UpdateIndexOfIndex() {
|
||
m_stream.Seek( (int)m_super_index_position, SeekOrigin.Begin );
|
||
m_super_index.Write( m_stream );
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// aviファイルにフレームを1つ追加します．
|
||
/// </summary>
|
||
/// <param name="bmp"></param>
|
||
public unsafe void AddFrame( Bitmap bmp ) {
|
||
int width, height, lineSize;
|
||
BitmapData bmpDat;
|
||
if ( m_is_transparent ) {
|
||
bmpDat = bmp.LockBits( new Rectangle( 0, 0, bmp.Width, bmp.Height ),
|
||
ImageLockMode.ReadOnly,
|
||
PixelFormat.Format32bppArgb );
|
||
} else {
|
||
bmpDat = bmp.LockBits( new Rectangle( 0, 0, (int)bmp.Width, (int)bmp.Height ),
|
||
ImageLockMode.ReadOnly,
|
||
PixelFormat.Format24bppRgb );
|
||
}
|
||
|
||
if ( m_next_framedata_position != m_stream.BaseStream.Position ) {
|
||
m_stream.BaseStream.Seek( m_next_framedata_position, SeekOrigin.Begin );
|
||
}
|
||
|
||
long chunk_size = m_next_framedata_position - m_riff_position;
|
||
if ( (m_current_chunk == 0 && chunk_size > m_split_sreshold) ||
|
||
(m_current_chunk > 0 && chunk_size > _THRESHOLD) ) {
|
||
// AVIXリストへの書き込みに移行
|
||
UpdateIndex();
|
||
m_stream.BaseStream.Seek( m_avix_position, SeekOrigin.Begin );
|
||
Util.fwrite( "RIFF", m_stream );
|
||
m_riff_position = m_stream.BaseStream.Position;
|
||
Util.WriteDWORD( 0, m_stream );
|
||
Util.fwrite( "AVIX", m_stream );
|
||
long current = m_stream.BaseStream.Position;
|
||
if ( (current + 12) % 0x800 != 0 ) {
|
||
long additional = (current + 20) % 0x800;
|
||
additional = 0x800 - ((current + 20) % 0x800);
|
||
m_junk_length = (int)additional + 20;
|
||
Util.fwrite( "JUNK", m_stream );
|
||
Util.WriteDWORD( (uint)additional, m_stream );
|
||
for ( long ii = 0; ii < additional; ii++ ) {
|
||
Util.WriteBYTE( (byte)0, m_stream );
|
||
}
|
||
} else {
|
||
m_junk_length = 0;
|
||
}
|
||
m_junk_length = 0;
|
||
|
||
Util.fwrite( "LIST", m_stream );
|
||
m_movi_position = m_stream.BaseStream.Position;
|
||
Util.WriteDWORD( 0, m_stream );//後で更新するべき
|
||
Util.fwrite( "movi", m_stream );
|
||
m_next_framedata_position = m_stream.BaseStream.Position;
|
||
m_std_index.aIndex.Clear();
|
||
m_std_index.SetBaseOffset( (ulong)m_next_framedata_position );
|
||
m_current_chunk++;
|
||
m_super_index.nEntriesInUse++;
|
||
}
|
||
|
||
// フレームを書き込む処理
|
||
width = (int)m_main_header.dwWidth;
|
||
height = (int)m_main_header.dwHeight;
|
||
if ( width != bmpDat.Width ) {
|
||
return;
|
||
}
|
||
if ( height != bmpDat.Height ) {
|
||
return;
|
||
}
|
||
lineSize = bmpDat.Stride;
|
||
|
||
if ( m_compressed ) {
|
||
int is_key_frame = 0;
|
||
int size = bmpDat.Stride * bmpDat.Height;
|
||
try {
|
||
IntPtr dat = VCM.ICSeqCompressFrame( m_compvar, 0, bmpDat.Scan0, &is_key_frame, &size );
|
||
if ( !dat.Equals( IntPtr.Zero ) ) {
|
||
byte[] ndat = new byte[size];
|
||
Marshal.Copy( dat, ndat, 0, size );
|
||
m_std_index.AddIndex( (uint)((ulong)m_stream.BaseStream.Position - m_std_index.qwBaseOffset) + 8, (uint)size );
|
||
Util.fwrite( "00db", m_stream );
|
||
Util.WriteDWORD( (uint)size, m_stream );
|
||
m_stream.Write( ndat, 0, size );
|
||
m_this_movi_size += size;
|
||
}
|
||
} catch {
|
||
}
|
||
} else {
|
||
m_std_index.AddIndex( (uint)((ulong)m_stream.BaseStream.Position - m_std_index.qwBaseOffset) + 8, (uint)(lineSize * height) );
|
||
Util.fwrite( "00db", m_stream );
|
||
int address = bmpDat.Scan0.ToInt32();
|
||
byte[] bitmapData = new byte[bmpDat.Stride * bmpDat.Height];
|
||
Marshal.Copy( new IntPtr( address ), bitmapData, 0, bitmapData.Length );
|
||
Util.WriteDWORD( m_main_header.dwSuggestedBufferSize, m_stream );
|
||
m_stream.Write( bitmapData );
|
||
m_this_movi_size += bitmapData.Length;
|
||
}
|
||
m_next_framedata_position = m_stream.BaseStream.Position;
|
||
_avisuperindex_entry entry = m_super_index.aIndex[m_current_chunk];
|
||
entry.dwDuration++;
|
||
m_super_index.aIndex[m_current_chunk] = entry;
|
||
m_stream.Flush();
|
||
bmp.UnlockBits( bmpDat );
|
||
}
|
||
}
|
||
} |