/// <summary>
/// 1フレーム取り込み完了待機
/// </summary>
/// <param name="timeout">タイムアウト (msec) [範囲:-1=無限、0~=有限]</param>
/// <returns>
/// 1フレームの取り込みが完了するまで処理をブロックします。<br/>
/// 取り込みが完了した場合は取り込み完了後のフレーム指標を返します。<br/>
/// それ以外は例外を発行します。<br/>
/// </returns>
public TxFrameIndex WaitFrame(int timeout)
{
if (SampleGrabber == null)
{
throw new DSLab.CxDSException(HRESULT.E_FAIL);
}
if (GraphBuilder == null)
{
throw new DSLab.CxDSException(HRESULT.E_FAIL);
}
TxFrameIndex current = SampleGrabberCB.FrameIndex;
if (SampleGrabberCB.FrameIndex.Flag == 1)
{
// Continuous != true:
//
return(current); // reached
}
else
{
// Continuous == true:
//
CxStopwatch watch = new CxStopwatch();
watch.Start();
while (true)
{
if (SampleGrabberCB.FrameIndex.Frame != current.Frame)
{
return(current); // reached
}
// interrupt (stop or abort)
if (SampleGrabberCB.Enable == false)
{
throw new CxException(ExStatus.Interrupted);
}
watch.Stop();
if (0 <= timeout && timeout <= watch.Elapsed)
{
throw new CxException(ExStatus.Interrupted);
}
System.Threading.Thread.Sleep(1);
}
}
}
/// <summary>
/// フレームキャプチャ完了時に呼び出されるコールバック関数
/// </summary>
/// <param name="progress">タイムスタンプ</param>
/// <param name="sample_addr">サンプルデータの先頭アドレス</param>
/// <param name="sample_size">サンプルデータ長 (bytes)</param>
/// <returns>
/// DSLab.HRESULT.S_OK を返します。
/// </returns>
int ISampleGrabberCB.BufferCB(double progress, IntPtr sample_addr, int sample_size)
{
// サンプリングデータが不正.
if (sample_addr == IntPtr.Zero) return (int)DSLab.HRESULT.S_OK;
if (sample_size <= 0) return (int)DSLab.HRESULT.S_OK;
try
{
var args = new CxDSGrabberEventArgs(progress, sample_addr, sample_size, this.BitmapInfo);
if (Notify != null)
Notify.Invoke(this, args);
}
catch (System.Exception)
{
System.Threading.Thread.Sleep(1);
}
#region IxGrabber 用.
// 取り込み中の指標.
TxFrameIndex current = FrameIndex;
if (Enable && !IsPaused && (current.Frame < Buffer.Count))
{
IsBusy = true;
try
{
var args = new CxDSGrabberEventArgs(progress, sample_addr, sample_size, this.BitmapInfo);
args.CopyTo(Buffer[current.Frame]);
}
catch (System.Exception)
{
System.Threading.Thread.Sleep(1);
}
// 現在時刻.(UTC)
ulong timestamp = DSLab.Axi.GetTime();
// 次のフレームの指標.
TxFrameIndex next = new TxFrameIndex(current.Track, current.Frame + 1, 0, progress, timestamp);
if (next.Frame >= Buffer.Count)
{
if (Continuous)
{
next.Frame = 0;
next.Track += 1;
}
else
{
next.Flag = 1; // reached
}
}
FrameIndex = next;
IsBusy = false;
}
#endregion
return (int)DSLab.HRESULT.S_OK;
}
/// <summary>
/// 定期的な表示更新処理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timerUpdateUI_Tick(object sender, EventArgs e)
{
#region ツールバーの表示更新.
toolStart.Enabled = (this.Grabber.IsValid && (!this.Grabber.IsRunning || this.Grabber.IsPaused));
toolPause.Enabled = (this.Grabber.IsRunning);
toolPause.Checked = (this.Grabber.IsPaused);
toolStop.Enabled = (this.Grabber.IsRunning);
#endregion
#region 画像表示:
{
TxFrameIndex frame_index = this.Grabber.FrameIndex();
if (PrevFrame.TimeStamp != frame_index.TimeStamp)
{
DateTime dt01 = TxDateTime.FromBinary(PrevFrame.TimeStamp, true);
DateTime dt02 = TxDateTime.FromBinary(frame_index.TimeStamp, true);
this.TimeStamps.Add(dt02);
#region time stamp
this.statusTimeStamp.Text = string.Format(
"{0:00}:{1:00}:{2:00}.{3:000}",
dt02.Hour, dt02.Minute, dt02.Second, dt02.Millisecond
);
#endregion
#region frame rate (fps)
if ((this.FpsTime - dt02).Seconds < -1)
{
this.FpsTime = dt02;
lock (this.TimeStamps)
{
if (this.TimeStamps.Count > 1)
{
int length = this.TimeStamps.Count - 1;
TimeSpan sum = new TimeSpan();
for (int i = 0; i < length; i++)
{
sum += (this.TimeStamps[i + 1] - this.TimeStamps[i]);
}
double fps = (sum.TotalSeconds == 0)
? 0.0
: length / sum.TotalSeconds;
this.statusFps.Text = string.Format("{0:0.00} fps", fps);
}
}
}
#endregion
if (frame_index.Frame < this.Buffer.Length)
{
var image = this.Buffer[frame_index.Frame];
#region image
if (image.IsValid)
{
Bitmap bitmap = image.ToBitmap();
if (pictureView.Image != null)
{
pictureView.Image.Dispose();
}
pictureView.Image = bitmap;
Size size1 = pictureView.Size;
Size size2 = pictureView.Image.Size;
if (size1.Width < size2.Width ||
size1.Height < size2.Height)
{
pictureView.SizeMode = PictureBoxSizeMode.Zoom;
}
else
{
pictureView.SizeMode = PictureBoxSizeMode.CenterImage;
}
pictureView.Refresh();
}
#endregion
}
PrevFrame = frame_index;
}
}
#endregion
}
/// <summary>
/// フレームキャプチャ完了時に呼び出されるコールバック関数
/// </summary>
/// <param name="progress">タイムスタンプ</param>
/// <param name="sample_addr">サンプルデータの先頭アドレス</param>
/// <param name="sample_size">サンプルデータ長 (bytes)</param>
/// <returns>
/// DSLab.HRESULT.S_OK を返します。
/// </returns>
int ISampleGrabberCB.BufferCB(double progress, IntPtr sample_addr, int sample_size)
{
// サンプリングデータが不正.
if (sample_addr == IntPtr.Zero)
{
return((int)DSLab.HRESULT.S_OK);
}
if (sample_size <= 0)
{
return((int)DSLab.HRESULT.S_OK);
}
try
{
var args = new CxDSGrabberEventArgs(progress, sample_addr, sample_size, this.BitmapInfo);
if (Notify != null)
{
Notify.Invoke(this, args);
}
}
catch (System.Exception)
{
System.Threading.Thread.Sleep(1);
}
#region IxGrabber 用.
// 取り込み中の指標.
TxFrameIndex current = FrameIndex;
if (Enable && !IsPaused && (current.Frame < Buffer.Count))
{
IsBusy = true;
try
{
var args = new CxDSGrabberEventArgs(progress, sample_addr, sample_size, this.BitmapInfo);
args.CopyTo(Buffer[current.Frame]);
}
catch (System.Exception)
{
System.Threading.Thread.Sleep(1);
}
// 現在時刻.(UTC)
ulong timestamp = DSLab.Axi.GetTime();
// 次のフレームの指標.
TxFrameIndex next = new TxFrameIndex(current.Track, current.Frame + 1, 0, progress, timestamp);
if (next.Frame >= Buffer.Count)
{
if (Continuous)
{
next.Frame = 0;
next.Track += 1;
}
else
{
next.Flag = 1; // reached
}
}
FrameIndex = next;
IsBusy = false;
}
#endregion
return((int)DSLab.HRESULT.S_OK);
}
/// <summary>
/// 定期的な表示更新処理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timerUpdateUI_Tick(object sender, EventArgs e)
{
#region ツールバーの表示更新.
toolStart.Enabled = (this.Grabber.IsValid && (!this.Grabber.IsRunning || this.Grabber.IsPaused));
toolPause.Enabled = (this.Grabber.IsRunning);
toolPause.Checked = (this.Grabber.IsPaused);
toolStop.Enabled = (this.Grabber.IsRunning);
#endregion
#region 画像表示:
{
TxFrameIndex frame_index = this.Grabber.FrameIndex();
if (PrevFrame.TimeStamp != frame_index.TimeStamp)
{
DateTime dt01 = TxDateTime.FromBinary(PrevFrame.TimeStamp, true);
DateTime dt02 = TxDateTime.FromBinary(frame_index.TimeStamp, true);
this.TimeStamps.Add(dt02);
#region time stamp
this.statusTimeStamp.Text = string.Format(
"{0:00}:{1:00}:{2:00}.{3:000}",
dt02.Hour, dt02.Minute, dt02.Second, dt02.Millisecond
);
#endregion
#region frame rate (fps)
if ((this.FpsTime - dt02).Seconds < -1)
{
this.FpsTime = dt02;
lock (this.TimeStamps)
{
if (this.TimeStamps.Count > 1)
{
int length = this.TimeStamps.Count - 1;
TimeSpan sum = new TimeSpan();
for (int i = 0; i < length; i++)
{
sum += (this.TimeStamps[i + 1] - this.TimeStamps[i]);
}
double fps = (sum.TotalSeconds == 0)
? 0.0
: length / sum.TotalSeconds;
this.statusFps.Text = string.Format("{0:0.00} fps", fps);
}
}
}
#endregion
if (frame_index.Frame < this.Buffer.Length)
{
var image = this.Buffer[frame_index.Frame];
#region image
if (image.IsValid)
{
Bitmap bitmap = image.ToBitmap();
if (pictureView.Image != null)
pictureView.Image.Dispose();
pictureView.Image = bitmap;
Size size1 = pictureView.Size;
Size size2 = pictureView.Image.Size;
if (size1.Width < size2.Width ||
size1.Height < size2.Height)
pictureView.SizeMode = PictureBoxSizeMode.Zoom;
else
pictureView.SizeMode = PictureBoxSizeMode.CenterImage;
pictureView.Refresh();
}
#endregion
}
PrevFrame = frame_index;
}
}
#endregion
}
