private void VideoFrameArrived(object sender, DeckLinkVideoFrameArrivedEventArgs e)
{
checkBoxInputValid.Checked = !e.inputInvalid;
if (e.inputInvalid)
{
if (++m_invalidFrameTimeout == kInputInvalidFrameTimeout)
{
if (MessageBox.Show("Timeout waiting for valid input signal.", "Invalid frame timeout") == DialogResult.OK)
{
if (m_captureInvalidCancel != null)
{
m_captureInvalidCancel.Cancel();
}
}
}
}
else if (++m_captureFrameIntervalCount == numericUpDownCaptureFrameInterval.Value)
{
IntPtr bgra32FrameBytes;
String outputFileName = m_selectedFolder + "\\image_" + m_captureStillsCount.ToString("D4") + "." + comboBoxFileType.SelectedItem.ToString().ToLower();
if (File.Exists(outputFileName))
{
if (MessageBox.Show("File " + outputFileName + " already exists, stopping capture", "File Exists") == DialogResult.OK)
{
if (m_captureFileExists != null)
{
m_captureFileExists.Cancel();
}
return;
}
}
IDeckLinkVideoFrame bgra32Frame = m_frameConverter.ConvertFrame(e.videoFrame);
bgra32Frame.GetBytes(out bgra32FrameBytes);
using (Bitmap bgra32Bitmap = new Bitmap(bgra32Frame.GetWidth(), bgra32Frame.GetHeight(), bgra32Frame.GetRowBytes(), PixelFormat.Format32bppArgb, bgra32FrameBytes))
{
bgra32Bitmap.Save(outputFileName, (ImageFormat)comboBoxFileType.SelectedItem);
}
m_captureFrameIntervalCount = 0;
m_captureStillsCount++;
if (m_captureCountdown != null)
{
m_captureCountdown.Signal();
}
}
}
