void FillARGBColourBars(IDeckLinkVideoFrame theFrame)
{
IntPtr buffer;
int width, height;
// UInt32[] bars = { 0xEAEAEAFF, 0x10EAEAFF, 0xEAEA10FF, 0xEA10EAFF, 0x10EA10FF, 0x1010EAFF , 0xEA1010FF, 0x101010FF };
// UInt32[] bars = { 0x101010FF , 0xEA1010FF, 0xEAEA10FF, 0xEA10EAFF, 0x10EA10FF, 0x10EAEAFF, 0x1010EAFF, 0xEAEAEAFF };//reversed
UInt32[] bars = { 0xFF101010, 0x10FF1010, 0x1010FF10, 0x101010FF, 0x101010FF, 0x1010FF10, 0x10FF1010, 0xFF101010 };//PruhARGBBGRA
int index = 0;
theFrame.GetBytes(out buffer);
width = theFrame.GetWidth();
height = theFrame.GetHeight();
for (uint y = 0; y < height; y++)
{
for (uint x = 0; x < width; x++)
{
// Write directly into unmanaged buffer
Marshal.WriteInt32(buffer, index * 4, (Int32)bars[(x * 8) / width]);
index++;
}
}
}
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();
}
}
}
void FillBlack(IDeckLinkVideoFrame theFrame)
{
IntPtr buffer;
int width, height;
int wordsRemaining;
UInt32 black = 0x10801080;
int index = 0;
theFrame.GetBytes(out buffer);
width = theFrame.GetWidth();
height = theFrame.GetHeight();
wordsRemaining = (width * 2 * height) / 4;
while (wordsRemaining-- > 0)
{
Marshal.WriteInt32(buffer, index * 4, (Int32)black);
index++;
}
}
void FillBlack(IDeckLinkVideoFrame theFrame)
{
IntPtr buffer;
int width, height;
UInt32[] bars = { 0x11111111, 0xAAAAAAAA, 0x11111111, 0xAAAAAAAA, 0x11111111, 0xAAAAAAAA, 0x11111111, 0xAAAAAAAA };
int index = 0;
theFrame.GetBytes(out buffer);
width = theFrame.GetWidth();
height = theFrame.GetHeight();
for (uint y = 0; y < height; y++)
{
for (uint x = 0; x < width; x += 1)
{
// Write directly into unmanaged buffer
Marshal.WriteInt32(buffer, index * 4, (Int32)bars[(x * 8) / width]);
index++;
}
}
}
void FillColourBars(IDeckLinkVideoFrame theFrame)
{
IntPtr buffer;
int width, height;
UInt32[] bars = { 0xEA80EA80, 0xD292D210, 0xA910A9A5, 0x90229035, 0x6ADD6ACA, 0x51EF515A, 0x286D28EF, 0x10801080 };
int index = 0;
theFrame.GetBytes(out buffer);
width = theFrame.GetWidth();
height = theFrame.GetHeight();
for (uint y = 0; y < height; y++)
{
for (uint x = 0; x < width; x += 2)
{
// Write directly into unmanaged buffer
Marshal.WriteInt32(buffer, index * 4, (Int32)bars[(x * 8) / width]);
index++;
}
}
}
