Beispiel #1
0
        private void SetupVideo(DisplayFormat videoFormat, VideoCompressor compressor, int fps)
        {
            int colorDepth = Bitmap.GetPixelFormatSize(videoFormat.PixelFormat);
            int width      = videoFormat.Width;
            int height     = videoFormat.Height;
            // Calculate pitch
            int bytesPerPixel = colorDepth / 8;
            int pitch         = width * bytesPerPixel;
            int pitch_factor  = 4;

            if (pitch % pitch_factor != 0)
            {
                pitch = pitch + pitch_factor - pitch % pitch_factor;
            }
            // Create AVI Stream
            Avi32Interop.AVISTREAMINFO asf = new Avi32Interop.AVISTREAMINFO();
            asf.dwRate = fps;
            asf.dwSuggestedBufferSize = pitch * height * bytesPerPixel;
            asf.dwScale = 1;
            asf.fccType = Avi32Interop.streamtypeVIDEO;
            asf.szName  = null;
            asf.rcFrame = new Avi32Interop.RECT(0, 0, width, height);
            int hr = Avi32Interop.AVIFileCreateStream(this.pAviFile, out this.pVideoStream, ref asf);

            if (hr != 0)
            {
                throw new AviException("AVIFileCreateStream", hr);
            }
            // Set stream format
            Avi32Interop.BITMAPINFOHEADER bih = new Avi32Interop.BITMAPINFOHEADER();
            bih.biBitCount    = (ushort)colorDepth;
            bih.biCompression = 0; // BI_RGB
            bih.biHeight      = videoFormat.Height;
            bih.biPlanes      = 1;
            bih.biSize        = (uint)Marshal.SizeOf(bih);
            bih.biSizeImage   = (uint)(pitch * height * (colorDepth / 8));
            bih.biWidth       = videoFormat.Width;
            if (compressor != null && !compressor.Equals(VideoCompressor.None))
            {
                // Setup compressor
                this.SetupVideoCompressor(compressor);
                hr = Avi32Interop.AVIStreamSetFormat(this.pAviCompressedStream, 0, ref bih, Marshal.SizeOf(bih));
            }
            else
            {
                hr = Avi32Interop.AVIStreamSetFormat(this.pVideoStream, 0, ref bih, Marshal.SizeOf(bih));
            }
            if (hr != 0)
            {
                throw new AviException("AVIStreamSetFormat", hr);
            }
        }
Beispiel #2
0
        private void SetupAudio(SoundFormat audioFormat, AcmEncoder audioEncoder)
        {
            IntPtr pwfx = audioFormat.ToPtr();

            try {
                Avi32Interop.AVISTREAMINFO asi = new Avi32Interop.AVISTREAMINFO();
                asi.fccType               = Avi32Interop.streamtypeAUDIO;
                asi.dwScale               = audioFormat.BlockAlign;
                asi.dwRate                = audioFormat.AverageBytesPerSecond;
                asi.dwStart               = 0;
                asi.dwLength              = -1;
                asi.dwInitialFrames       = 0;
                asi.dwSuggestedBufferSize = 0;
                asi.dwQuality             = -1;
                asi.dwSampleSize          = audioFormat.BlockAlign;
                int hr = Avi32Interop.AVIFileCreateStream(this.pAviFile, out this.pAudioStream, ref asi);
                if (hr != 0)
                {
                    throw new AviException("AVIStreamSetFormat", hr);
                }
                hr = Avi32Interop.AVIStreamSetFormat(this.pAudioStream, 0, pwfx, audioFormat.ToalSize);
                if (hr != 0)
                {
                    throw new AviException("AVIStreamSetFormat", hr);
                }
                if (audioEncoder != null)
                {
                    audioEncoder.Open();
                }
                this.audioFormat  = audioFormat;
                this.audioEncoder = audioEncoder;
            }
            finally {
                Marshal.FreeHGlobal(pwfx);
            }
        }
Beispiel #3
0
 private void SetupVideo(DisplayFormat videoFormat, VideoCompressor compressor, int fps)
 {
     int colorDepth = Bitmap.GetPixelFormatSize(videoFormat.PixelFormat);
      int width = videoFormat.Width;
      int height = videoFormat.Height;
      // Calculate pitch
      int bytesPerPixel = colorDepth / 8;
      int pitch = width * bytesPerPixel;
      int pitch_factor = 4;
      if (pitch % pitch_factor != 0) {
     pitch = pitch + pitch_factor - pitch % pitch_factor;
      }
      // Create AVI Stream
      Avi32Interop.AVISTREAMINFO asf = new Avi32Interop.AVISTREAMINFO();
      asf.dwRate = fps;
      asf.dwSuggestedBufferSize = pitch * height * bytesPerPixel;
      asf.dwScale = 1;
      asf.fccType = Avi32Interop.streamtypeVIDEO;
      asf.szName = null;
      asf.rcFrame = new Avi32Interop.RECT(0, 0, width, height);
      int hr = Avi32Interop.AVIFileCreateStream(this.pAviFile, out this.pVideoStream, ref asf);
      if (hr != 0) {
     throw new AviException("AVIFileCreateStream", hr);
      }
      // Set stream format
      Avi32Interop.BITMAPINFOHEADER bih = new Avi32Interop.BITMAPINFOHEADER();
      bih.biBitCount = (ushort)colorDepth;
      bih.biCompression = 0; // BI_RGB
      bih.biHeight = videoFormat.Height;
      bih.biPlanes = 1;
      bih.biSize = (uint)Marshal.SizeOf(bih);
      bih.biSizeImage = (uint)(pitch * height * (colorDepth / 8));
      bih.biWidth = videoFormat.Width;
      if (compressor != null && !compressor.Equals(VideoCompressor.None)) {
     // Setup compressor
     this.SetupVideoCompressor(compressor);
     hr = Avi32Interop.AVIStreamSetFormat(this.pAviCompressedStream, 0, ref bih, Marshal.SizeOf(bih));
      }
      else {
     hr = Avi32Interop.AVIStreamSetFormat(this.pVideoStream, 0, ref bih, Marshal.SizeOf(bih));
      }
      if (hr != 0) {
     throw new AviException("AVIStreamSetFormat", hr);
      }
 }
Beispiel #4
0
 private void SetupAudio(SoundFormat audioFormat, AcmEncoder audioEncoder)
 {
     IntPtr pwfx = audioFormat.ToPtr();
      try {
     Avi32Interop.AVISTREAMINFO asi = new Avi32Interop.AVISTREAMINFO();
     asi.fccType = Avi32Interop.streamtypeAUDIO;
     asi.dwScale = audioFormat.BlockAlign;
     asi.dwRate = audioFormat.AverageBytesPerSecond;
     asi.dwStart = 0;
     asi.dwLength = -1;
     asi.dwInitialFrames = 0;
     asi.dwSuggestedBufferSize = 0;
     asi.dwQuality = -1;
     asi.dwSampleSize = audioFormat.BlockAlign;
     int hr = Avi32Interop.AVIFileCreateStream(this.pAviFile, out this.pAudioStream, ref asi);
     if (hr != 0) {
        throw new AviException("AVIStreamSetFormat", hr);
     }
     hr = Avi32Interop.AVIStreamSetFormat(this.pAudioStream, 0, pwfx, audioFormat.ToalSize);
     if (hr != 0) {
        throw new AviException("AVIStreamSetFormat", hr);
     }
     if (audioEncoder != null) {
        audioEncoder.Open();
     }
     this.audioFormat = audioFormat;
     this.audioEncoder = audioEncoder;
      }
      finally {
     Marshal.FreeHGlobal(pwfx);
      }
 }