+++ /dev/null
-using System;\r
-using System.Collections.Generic;\r
-using System.Text;\r
-using System.Runtime.InteropServices;\r
-using System.Drawing;\r
-using SharpDX;\r
-\r
-namespace FDK\r
-{\r
- public class CAvi : IDisposable\r
- {\r
- // プロパティ\r
-\r
- public uint dwスケール \r
- {\r
- get;\r
- set; \r
- }\r
- public uint dwレート\r
- {\r
- get;\r
- set;\r
- }\r
- public uint nフレーム高さ\r
- { \r
- get;\r
- set;\r
- }\r
- public uint nフレーム幅\r
- {\r
- get;\r
- set; \r
- }\r
-\r
-\r
- // コンストラクタ\r
-\r
- public CAvi( string filename )\r
- {\r
- if ( AVIFileOpen( out this.aviFile, filename, OpenFileFlags.OF_READ, IntPtr.Zero ) != 0 )\r
- {\r
- this.Release();\r
- throw new Exception( "AVIFileOpen failed." );\r
- }\r
- if ( AVIFileGetStream( this.aviFile, out this.aviStream, streamtypeVIDEO, 0 ) != 0 )\r
- {\r
- this.Release();\r
- throw new Exception( "AVIFileGetStream failed." );\r
- }\r
- var info = new AVISTREAMINFO();\r
- AVIStreamInfo( this.aviStream, ref info, Marshal.SizeOf( info ) );\r
- this.dwレート = info.dwRate;\r
- this.dwスケール = info.dwScale;\r
- this.nフレーム幅 = info.rcFrame.right - info.rcFrame.left;\r
- this.nフレーム高さ = info.rcFrame.bottom - info.rcFrame.top;\r
- try\r
- {\r
- this.frame = AVIStreamGetFrameOpen( this.aviStream, 0 );\r
- }\r
- catch\r
- {\r
- this.Release();\r
- throw new Exception( "AVIStreamGetFrameOpen failed." );\r
- }\r
- }\r
-\r
-\r
- // メソッド\r
-\r
- public static void t初期化()\r
- {\r
- AVIFileInit();\r
- }\r
- public static void t終了()\r
- {\r
- AVIFileExit();\r
- }\r
- \r
- public Bitmap GetFrame( int no )\r
- {\r
- if( this.aviStream == IntPtr.Zero )\r
- throw new InvalidOperationException();\r
-\r
- return BitmapUtil.ToBitmap( AVIStreamGetFrame( this.frame, no ) );\r
- }\r
- public int GetFrameNoFromTime( int time )\r
- {\r
- return (int) ( time * ( ( (double) this.dwレート ) / ( 1000.0 * this.dwスケール ) ) );\r
- }\r
- public IntPtr GetFramePtr( int no )\r
- {\r
- if( this.aviStream == IntPtr.Zero )\r
- throw new InvalidOperationException();\r
-\r
- return AVIStreamGetFrame( this.frame, no );\r
- }\r
- public int GetMaxFrameCount()\r
- {\r
- if( this.aviStream == IntPtr.Zero )\r
- throw new InvalidOperationException();\r
-\r
- return AVIStreamLength( this.aviStream );\r
- }\r
- \r
- public unsafe void tBitmap24ToGraphicsStreamR5G6B5( BitmapUtil.BITMAPINFOHEADER* pBITMAPINFOHEADER, DataStream gs, int nWidth, int nHeight )\r
- {\r
- int nBmpWidth = pBITMAPINFOHEADER->biWidthビットマップの幅dot;\r
- int nBmpHeight = pBITMAPINFOHEADER->biHeightビットマップの高さdot;\r
- int nBmpLineByte = ( nBmpWidth * 3 ) + ( ( 4 - ( ( nBmpWidth * 3 ) % 4 ) ) % 4 );\r
-\r
- ushort* pTexture = (ushort*) gs.DataPointer.ToPointer();\r
- byte* pBitmap = (byte*) ( pBITMAPINFOHEADER + 1 );\r
- \r
- for( int i = 0; i < nBmpHeight; i++ )\r
- {\r
- if( i >= nHeight )\r
- break;\r
-\r
- for( int j = 0; j < nBmpWidth; j++ )\r
- {\r
- if( j >= nWidth )\r
- break;\r
-\r
- ushort B = (ushort) ( ( *( ( pBitmap + ( ( ( nBmpHeight - i ) - 1 ) * nBmpLineByte ) ) + ( j * 3 ) + 0 ) >> 3 ) & 0x1f );\r
- ushort G = (ushort) ( ( *( ( pBitmap + ( ( ( nBmpHeight - i ) - 1 ) * nBmpLineByte ) ) + ( j * 3 ) + 1 ) >> 2 ) & 0x3f );\r
- ushort R = (ushort) ( ( *( ( pBitmap + ( ( ( nBmpHeight - i ) - 1 ) * nBmpLineByte ) ) + ( j * 3 ) + 2 ) >> 3 ) & 0x1f );\r
- *( pTexture + ( i * nWidth ) + j ) = (ushort) ( ( R << 11 ) | ( G << 5 ) | B );\r
- }\r
- }\r
- }\r
- public unsafe void tBitmap24ToGraphicsStreamX8R8G8B8( BitmapUtil.BITMAPINFOHEADER* pBITMAPINFOHEADER, DataStream ds, int nWidth, int nHeight )\r
- {\r
- int nBmpWidth = pBITMAPINFOHEADER->biWidthビットマップの幅dot;\r
- int nBmpHeight = pBITMAPINFOHEADER->biHeightビットマップの高さdot;\r
- int nBmpLineByte = ( nBmpWidth * 3 ) + ( ( 4 - ( ( nBmpWidth * 3 ) % 4 ) ) % 4 );\r
- \r
- uint* pTexture = (uint*) ds.DataPointer.ToPointer();\r
- byte* pBitmap = (byte*) ( pBITMAPINFOHEADER + 1 );\r
- \r
- for( int i = 0; i < nBmpHeight; i++ )\r
- {\r
- if( i >= nHeight )\r
- break;\r
-\r
- for( int j = 0; j < nBmpWidth; j++ )\r
- {\r
- if( j >= nWidth )\r
- break;\r
-\r
- uint B = *( ( pBitmap + ( ( ( nBmpHeight - i ) - 1 ) * nBmpLineByte ) ) + ( j * 3 ) + 0 );\r
- uint G = *( ( pBitmap + ( ( ( nBmpHeight - i ) - 1 ) * nBmpLineByte ) ) + ( j * 3 ) + 1 );\r
- uint R = *( ( pBitmap + ( ( ( nBmpHeight - i ) - 1 ) * nBmpLineByte ) ) + ( j * 3 ) + 2 );\r
- *( pTexture + ( i * nWidth ) + j ) = ( R << 16 ) | ( G << 8 ) | B;\r
- }\r
- }\r
- }\r
-\r
- #region [ Dispose-Finalize パターン実装 ]\r
- //-----------------\r
- public void Dispose()\r
- {\r
- this.Dispose( true );\r
- GC.SuppressFinalize( this ); // 2011.8.19 from: 忘れてた。\r
- }\r
- protected void Dispose( bool disposeManagedObjects )\r
- {\r
- if( this.bDispose完了済み )\r
- return;\r
-\r
- if( disposeManagedObjects )\r
- {\r
- // (A) Managed リソースの解放\r
- }\r
-\r
- // (B) Unamanaged リソースの解放\r
-\r
- if( this.frame != IntPtr.Zero )\r
- AVIStreamGetFrameClose( this.frame );\r
-\r
- this.Release();\r
- this.bDispose完了済み = true;\r
- }\r
- ~CAvi()\r
- {\r
- this.Dispose( false );\r
- }\r
- //-----------------\r
- #endregion\r
-\r
-\r
- // その他\r
-\r
- #region [ Win32 AVI関連関数インポート ]\r
- //-----------------\r
- internal enum OpenFileFlags : uint\r
- {\r
- OF_CANCEL = 0x800,\r
- OF_CREATE = 0x1000,\r
- OF_DELETE = 0x200,\r
- OF_EXIST = 0x4000,\r
- OF_PARSE = 0x100,\r
- OF_PROMPT = 0x2000,\r
- OF_READ = 0,\r
- OF_READWRITE = 2,\r
- OF_REOPEN = 0x8000,\r
- OF_SHARE_COMPAT = 0,\r
- OF_SHARE_DENY_NONE = 0x40,\r
- OF_SHARE_DENY_READ = 0x30,\r
- OF_SHARE_DENY_WRITE = 0x20,\r
- OF_SHARE_EXCLUSIVE = 0x10,\r
- OF_VERIFY = 0x400,\r
- OF_WRITE = 1\r
- }\r
-\r
- [StructLayout( LayoutKind.Sequential, Pack = 1 )]\r
- internal struct AVISTREAMINFO\r
- {\r
- public uint fccType;\r
- public uint fccHandler;\r
- public uint dwFlags;\r
- public uint dwCaps;\r
- public ushort wPriority;\r
- public ushort wLanguage;\r
- public uint dwScale;\r
- public uint dwRate;\r
- public uint dwStart;\r
- public uint dwLength;\r
- public uint dwInitialFrames;\r
- public uint dwSuggestedBufferSize;\r
- public uint dwQuality;\r
- public uint dwSampleSize;\r
- public CAvi.RECT rcFrame;\r
- public uint dwEditCount;\r
- public uint dwFormatChangeCount;\r
- [MarshalAs( UnmanagedType.ByValArray, SizeConst = 0x40 )]\r
- public ushort[] szName;\r
- }\r
-\r
- [StructLayout( LayoutKind.Sequential, Pack = 1 )]\r
- internal struct RECT\r
- {\r
- public uint left;\r
- public uint top;\r
- public uint right;\r
- public uint bottom;\r
- }\r
-\r
- [DllImport( "AVIFIL32" )]\r
- private static extern void AVIFileExit();\r
- [DllImport( "AVIFIL32" )]\r
- private static extern uint AVIFileGetStream( IntPtr pfile, out IntPtr ppavi, uint fccType, int lParam );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern void AVIFileInit();\r
- [DllImport( "AVIFIL32" )]\r
- private static extern uint AVIFileOpen( out IntPtr ppfile, string szFile, OpenFileFlags mode, IntPtr pclsidHandler );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern int AVIFileRelease( IntPtr pfile );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern IntPtr AVIStreamGetFrame( IntPtr pgf, int lPos );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern uint AVIStreamGetFrameClose( IntPtr pget );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern IntPtr AVIStreamGetFrameOpen( IntPtr pavi, int lpbiWanted );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern int AVIStreamInfo( IntPtr pavi, ref AVISTREAMINFO psi, int lSize );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern int AVIStreamLength( IntPtr pavi );\r
- [DllImport( "AVIFIL32" )]\r
- private static extern int AVIStreamRelease( IntPtr pavi );\r
- //-----------------\r
- #endregion\r
-\r
- #region [ private ]\r
- //-----------------\r
- private IntPtr aviFile = IntPtr.Zero;\r
- private const string AVIFILE32 = "AVIFIL32";\r
- private const int AVIGETFRAMEF_BESTDISPLAYFMT = 1;\r
- private IntPtr aviStream = IntPtr.Zero;\r
- private bool bDispose完了済み;\r
- private IntPtr frame = IntPtr.Zero;\r
- private static readonly uint streamtypeAUDIO = mmioFOURCC( 'a', 'u', 'd', 's' );\r
- private static readonly uint streamtypeMIDI = mmioFOURCC( 'm', 'i', 'd', 's' );\r
- private static readonly uint streamtypeTEXT = mmioFOURCC( 't', 'x', 't', 's' );\r
- private static readonly uint streamtypeVIDEO = mmioFOURCC( 'v', 'i', 'd', 's' );\r
-\r
- private static uint mmioFOURCC( char c0, char c1, char c2, char c3 )\r
- {\r
- return ( (uint) c3 << 0x18 ) | ( (uint) c2 << 0x10 ) | ( (uint) c1 << 0x08 ) | (uint) c0;\r
- }\r
- private void Release()\r
- {\r
- if( this.aviStream != IntPtr.Zero )\r
- {\r
- AVIStreamRelease( this.aviStream );\r
- this.aviStream = IntPtr.Zero;\r
- }\r
- if( this.aviFile != IntPtr.Zero )\r
- {\r
- AVIFileRelease( this.aviFile );\r
- this.aviFile = IntPtr.Zero;\r
- }\r
- }\r
- //-----------------\r
- #endregion\r
- }\r
-}\r
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