/// <summary>
/// Creates a new instance of <see cref="UnconstrainedFrameRateGifRecorder"/>.
/// </summary>
/// <param name="Encoder">The <see cref="GifWriter"/> to write into.</param>
/// <param name="ImageProvider">The <see cref="IImageProvider"/> providing the individual frames.</param>
/// <exception cref="ArgumentNullException"><paramref name="Encoder"/> or <paramref name="ImageProvider"/> is null.</exception>
public UnconstrainedFrameRateGifRecorder(GifWriter Encoder, IImageProvider ImageProvider)
{
if (Encoder == null)
{
throw new ArgumentNullException(nameof(Encoder));
}
if (ImageProvider == null)
{
throw new ArgumentNullException(nameof(ImageProvider));
}
// Init Fields
_imageProvider = ImageProvider;
_videoEncoder = Encoder;
// GifWriter.Init not needed.
// RecordThread Init
_recordThread = new Thread(Record)
{
Name = "Captura.Record",
IsBackground = true
};
// Not Actually Started, Waits for _continueCapturing to be Set
_recordThread?.Start();
}
/// <summary>
/// Creates a new instance of <see cref="VFRGifRecorder"/>.
/// </summary>
/// <param name="Encoder">The <see cref="GifWriter"/> to write into.</param>
/// <param name="ImageProvider">The <see cref="IImageProvider"/> providing the individual frames.</param>
/// <exception cref="ArgumentNullException"><paramref name="Encoder"/> or <paramref name="ImageProvider"/> is null.</exception>
public VFRGifRecorder(GifWriter Encoder, IImageProvider ImageProvider)
{
// Init Fields
_imageProvider = ImageProvider ?? throw new ArgumentNullException(nameof(ImageProvider));
_videoEncoder = Encoder ?? throw new ArgumentNullException(nameof(Encoder));
// Not Actually Started, Waits for _continueCapturing to be Set
_recordTask = Task.Factory.StartNew(Record);
}
/// <summary>
/// Override this method with the code to stop recording.
/// </summary>
protected override void OnStop()
{
// Resume if Paused
_continueCapturing?.Set();
// Video
if (_recordThread != null)
{
if (_stopCapturing != null && !_stopCapturing.SafeWaitHandle.IsClosed)
{
_stopCapturing.Set();
}
if (!_recordThread.Join(500))
{
_recordThread.Abort();
}
_recordThread = null;
}
if (_imageProvider != null)
{
_imageProvider.Dispose();
_imageProvider = null;
}
// WaitHandles
if (_stopCapturing != null && !_stopCapturing.SafeWaitHandle.IsClosed)
{
_stopCapturing.Dispose();
_stopCapturing = null;
}
if (_continueCapturing != null && !_continueCapturing.SafeWaitHandle.IsClosed)
{
_continueCapturing.Dispose();
_continueCapturing = null;
}
// Writers
if (_videoEncoder == null)
{
return;
}
_videoEncoder.Dispose();
_videoEncoder = null;
}