Example #1
0
 public static BITMAPINFOHEADER Read( Stream stream ) {
     BITMAPINFOHEADER bifh = new BITMAPINFOHEADER();
     byte[] buf = new byte[4];
     bifh.biSize = readUInt32( stream );
     bifh.biWidth = readInt32( stream );
     bifh.biHeight = readInt32( stream );
     bifh.biPlanes = readInt16( stream );
     bifh.biBitCount = readInt16( stream );
     bifh.biCompression = readUInt32( stream );
     bifh.biSizeImage = readUInt32( stream );
     bifh.biXPelsPerMeter = readInt32( stream );
     bifh.biYPelsPerMeter = readInt32( stream );
     bifh.biClrUsed = readUInt32( stream );
     bifh.biClrImportant = readUInt32( stream );
     return bifh;
 }
Example #2
0
        /// <summary>
        /// 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,
        /// ファイルにヘッダー情報を書き込みます.
        /// </summary>
        /// <param name="file">書き込み対象のファイル</param>
        /// <param name="scale"></param>
        /// <param name="rate"></param>
        /// <param name="compressed"></param>
        public unsafe bool Open( string file, uint scale, uint rate, int width, int height, bool compressed, bool transparent, IntPtr hWnd ) {
#if DEBUG
            Console.WriteLine( "AviWriterEx.Open(string,uint,uint,bool,IntPtr)" );
#endif
            m_stream = new BinaryWriter( new FileStream( file, FileMode.Create, FileAccess.Write ) );
            float fps = (float)rate / (float)scale;
            m_main_header.dwMicroSecPerFrame = (uint)(1.0e6 / fps);//  ! 1秒は10^6μ秒
            m_main_header.dwReserved1 = 0;
            m_main_header.dwFlags = 2064;
            m_main_header.dwInitialFrames = 0;
            m_main_header.dwStreams = 0;
            m_main_header.dwScale = scale;
            m_main_header.dwRate = rate;
            m_main_header.dwStart = 0;
            m_main_header.dwLength = 0;
            m_rate = rate;
            m_scale = scale;
            Util.fwrite( "RIFF", m_stream );
            Util.WriteDWORD( 0, m_stream );
            Util.fwrite( "AVI ", m_stream );
            Util.fwrite( "LIST", m_stream );
            Util.WriteDWORD( 0x9cc, m_stream );
            Util.fwrite( "hdrl", m_stream );
            m_current_chunk = 0;
            m_position_in_chunk = 0L;
            m_std_index = new AVISTDINDEX( 0L );
            m_super_index = new AVISUPERINDEX( 0 );
            m_riff_position = 0x4;
            m_compressed = compressed;
            m_is_transparent = transparent;
            m_stream_fcc_handler = 0;
            m_hwnd = hWnd;
            m_file = file;
            m_opened = true;
            if ( m_is_first ) {
                int stride = 0;
                using ( Bitmap b = new Bitmap( width, height, m_is_transparent ? PixelFormat.Format32bppArgb : PixelFormat.Format24bppRgb ) ) {
                    BitmapData bd = b.LockBits( new Rectangle( 0, 0, width, height ),
                                                ImageLockMode.ReadOnly,
                                                b.PixelFormat );
                    stride = bd.Stride;
                    b.UnlockBits( bd );
                }
                m_is_first = false;
                m_main_header.dwWidth = (uint)width;
                m_main_header.dwHeight = (uint)height;
                m_main_header.dwMaxBytesPerSec = (uint)(stride * height * frameRate);
                m_main_header.dwStreams = 1;
                m_main_header.dwSuggestedBufferSize = (uint)(stride * height);
                m_linesize = stride;

                m_stream_header.fccType = Util.mmioFOURCC( "vids" );
                m_stream_header.fccHandler = 0;
                m_stream_header.dwFlags = 0;
                m_stream_header.dwReserved1 = 0;
                m_stream_header.dwInitialFrames = 0;
                m_stream_header.dwScale = m_scale;
                m_stream_header.dwRate = m_rate;
                m_stream_header.dwStart = 0;
                m_stream_header.dwSuggestedBufferSize = m_main_header.dwSuggestedBufferSize;
                m_stream_header.dwQuality = 0;
                m_stream_header.dwSampleSize = 0;

                Util.aviWriteMainHeader( m_main_header, m_stream );

                Util.fwrite( "LIST", m_stream );
                Util.WriteDWORD( 0x874, m_stream );
                Util.fwrite( "strl", m_stream );

                Util.aviWriteStreamHeader( m_stream_header, m_main_header, m_stream );

                Util.fwrite( "strf", m_stream );
                BITMAPINFOHEADER bih = new BITMAPINFOHEADER(); //(BITMAPINFOHEADER)Marshal.PtrToStructure( Marshal.AllocHGlobal( sizeof( BITMAPINFOHEADER ) ), typeof( BITMAPINFOHEADER ) );
                bih.biSize = (uint)(Marshal.SizeOf( bih ));
                bih.biWidth = width;
                bih.biHeight = height;
                bih.biPlanes = 1;
                bih.biBitCount = m_is_transparent ? (short)32 : (short)24;
                bih.biCompression = 0;//BI_RGB
                bih.biSizeImage = (uint)(stride * height);
                bih.biXPelsPerMeter = 0;
                bih.biYPelsPerMeter = 0;
                bih.biClrUsed = 0;
                bih.biClrImportant = 0;

                if ( m_compressed ) {
                    m_p_compvar = Marshal.AllocHGlobal( sizeof( COMPVARS ) );
                    m_compvar = (COMPVARS*)m_p_compvar.ToPointer();
                    byte[] buf = new byte[sizeof( COMPVARS )];
                    for ( int i = 0; i < buf.Length; i++ ) {
                        buf[i] = 0x0;
                    }
                    Marshal.Copy( buf, 0, m_p_compvar, buf.Length );
                    m_compvar->cbSize = sizeof( COMPVARS );
                    int ret = VCM.ICCompressorChoose( m_hwnd, 0, IntPtr.Zero, IntPtr.Zero, m_compvar, "Select Video Compressor" );
                    if ( ret == 0 ) {
                        m_opened = false;
                        Marshal.FreeHGlobal( m_p_compvar );
                        m_stream.Close();
                        return false;
                    }
                    if ( m_compvar->hic != 0 ) {
                        m_p_bitmapinfo_in = Marshal.AllocHGlobal( sizeof( BITMAPINFO ) );
                        m_bitmapinfo_in = (BITMAPINFO*)m_p_bitmapinfo_in.ToPointer();
                        buf = new byte[sizeof( BITMAPINFO )];
                        for ( int i = 0; i < buf.Length; i++ ) {
                            buf[i] = 0x0;
                        }
                        Marshal.Copy( buf, 0, m_p_bitmapinfo_in, buf.Length );
                        m_bitmapinfo_in->bmiHeader = bih;
                        uint dwSize = VCM.ICCompressGetFormatSize( m_compvar->hic, m_bitmapinfo_in );
#if DEBUG
                        Console.WriteLine( "m_compvar->hic=" + m_compvar->hic );
                        Console.WriteLine( "ICCompressGetFormatSize=" + dwSize );
#endif
                        m_p_bitmapinfo_out = Marshal.AllocHGlobal( (int)dwSize );
                        m_bitmapinfo_out = (BITMAPINFO*)m_p_bitmapinfo_out.ToPointer();
                        buf = new byte[dwSize];
                        for ( int i = 0; i < buf.Length; i++ ) {
                            buf[i] = 0x0;
                        }
                        Marshal.Copy( buf, 0, m_p_bitmapinfo_out, buf.Length );
                        VCM.ICCompressGetFormat( m_compvar->hic, m_bitmapinfo_in, m_bitmapinfo_out );
                        m_bih_compression = m_bitmapinfo_out->bmiHeader.biCompression;
#if DEBUG
                        Console.WriteLine( "AddFrame(Bitmap)" );
                        Console.WriteLine( "    biout.biSize=" + m_bitmapinfo_out->bmiHeader.biSize );
#endif
                        VCM.ICSeqCompressFrameStart( m_compvar, m_bitmapinfo_in );
                        bih = m_bitmapinfo_out->bmiHeader;
                        Util.WriteDWORD( bih.biSize, m_stream );// infoHeaderのサイズ
                        m_bitmapinfo_out->Write( m_stream );
                    } else {
                        m_compressed = false;
                        Util.WriteDWORD( bih.biSize, m_stream );// infoHeaderのサイズ
                        bih.Write( m_stream );
                    }
                } else {
                    Util.WriteDWORD( bih.biSize, m_stream );// infoHeaderのサイズ
                    bih.Write( m_stream );
                }

                m_super_index_position = m_stream.BaseStream.Position;
                Util.fwrite( "indx", m_stream );          //fcc
                Util.WriteDWORD( 0x7f8, m_stream );       // cb
                Util.WriteWORD( (byte)0x4, m_stream );    // wLongsPerEntry
                Util.WriteBYTE( 0x0, m_stream );          // bIndexSubType
                Util.WriteBYTE( Util.AVI_INDEX_OF_INDEXES, m_stream );// bIndexType
                Util.WriteDWORD( 0x0, m_stream );         // nEntriesInUse
                Util.fwrite( "00db", m_stream );          // dwChunkId
                Util.WriteDWORD( 0x0, m_stream );
                Util.WriteDWORD( 0x0, m_stream );
                Util.WriteDWORD( 0x0, m_stream );
                for ( int ii = 1; ii <= 126; ii++ ) {
                    Util.WriteQWORD( 0x0, m_stream );
                    Util.WriteDWORD( 0x0, m_stream );
                    Util.WriteDWORD( 0x0, m_stream );
                }

                Util.fwrite( "LIST", m_stream );
                Util.WriteDWORD( 0x104, m_stream );
                Util.fwrite( "odml", m_stream );
                Util.fwrite( "dmlh", m_stream );
                Util.WriteDWORD( 0xf8, m_stream );
                Util.WriteDWORD( 0x0, m_stream );//ここ後で更新するべき
                for ( int ii = 1; ii <= 61; ii++ ) {
                    Util.WriteDWORD( 0x0, m_stream );
                }

                Util.fwrite( "JUNK", m_stream );
                Util.WriteDWORD( 0x60c, m_stream );
                Util.WriteDWORD( 0, m_stream );//"This"が将来登録されたらやばいので
                string msg = "This file was generated by [email protected];VfwBugCompatible=" + VfwBugCompatible;
                const int tlen = 1544;
                int remain = tlen - msg.Length;
                Util.fwrite( msg, m_stream );
                for ( int i = 1; i <= remain; i++ ) {
                    m_stream.Write( (byte)0 );
                }
                m_junk_length = 0xff4;

                Util.fwrite( "LIST", m_stream );
                m_movi_position = m_stream.BaseStream.Position;
                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
                Util.fwrite( "movi", m_stream );
                m_next_framedata_position = m_stream.BaseStream.Position;

                m_std_index.SetBaseOffset( (ulong)m_next_framedata_position );
                m_super_index.nEntriesInUse++;
            }
            return true;
        }
Example #3
0
 public static extern int AVIStreamGetFrameOpen(
     IntPtr pAVIStream,
     ref BITMAPINFOHEADER bih );
Example #4
0
 public static extern int AVIStreamSetFormat(
   IntPtr aviStream, Int32 lPos, ref BITMAPINFOHEADER lpFormat, Int32 cbFormat );