/// <summary>Create with video and audio stream.</summary>
public MjpegWriter(System.IO.Stream outputAvi, AviWriter.VideoFormat videoFormat, AviWriter.AudioFormat audioFormat)
{
aviWriter = new AviWriter(outputAvi, "MJPG", videoFormat, audioFormat);
}
/// <summary>Create with video stream.</summary>
public MjpegWriter(System.IO.Stream outputAvi, AviWriter.VideoFormat videoFormat)
: this(outputAvi, videoFormat, null)
{
}