/// <summary>
/// Displays the recording UI controls
/// </summary>
private void ShowControls()
{
RecordingControls.SetActive(true);
}
private static async Task <ScreenRecording?> PerformScreenRecording(HSSettings settingsContext)
{
_currentRecordingCts = new CancellationTokenSource();
_throwAwayResult = false;
try
{
var ffmpegPath = EnsureAvailableFFmpegAndPotentiallyStartSetup();
if (ffmpegPath == null)
{
return(null); // We don't have ffmpeg available and the user didn't do anything to fix this. We act like it was aborted.
}
var effectiveFormat = settingsContext.VideoOutputFormat;
if (effectiveFormat == VideoCaptureFormat.AskBeforeRecording)
{
var formatToUse = VideoCaptureFormatSelection.PromptFormat();
if (formatToUse == null)
{
return(null); //Use clicked "cancel"
}
effectiveFormat = formatToUse.Value;
// TODO: It would be better to rewrite the settings context here, so other code can just work with that.
// For that to work, we should refactor HSSettings to be a record
}
var(selectionBackground, _) = Drawing.ScreenshotCreator.CaptureScreenshot(SystemInformation.VirtualScreen, settingsContext.CaptureCursor);
using (selectionBackground)
{
using var selector = Selection.AreaSelector.Create(selectionBackground, false, settingsContext);
var(selectedArea, windowInfo) = await selector.PromptSelectionAsync();
var recorder = ScreenRecorderSelector.CreateScreenRecorderForCurrentPlatform(ffmpegPath);
var tempRecordingDir = Path.Combine(Path.GetTempPath(), "hs-" + Path.GetRandomFileName());
Directory.CreateDirectory(tempRecordingDir);
var extension = VideoUploadPayload.GetExtensionForVideoFormat(effectiveFormat);
var targetFile = Path.Combine(tempRecordingDir, "HS" + extension);
if (windowInfo != null)
{
// See GH#78
// The number 500 is just a guess. If it fails, it isn't such a problem and won't cause any harm
// As soon as we've got our own recording frame, we can be more precise on when to invoke the SetForegroundWindow
_ = Task.Delay(500).ContinueWith(t =>
{
Debug.WriteLine($"Set FG window to {windowInfo.Title ?? "<no title>"}");
Native.User32.SetForegroundWindow(windowInfo.Handle);
});
}
using var recordingControls = new RecordingControls(selectedArea, _currentRecordingCts);
recordingControls.Show();
var recording = await recorder.Invoke(selectedArea, targetFile, effectiveFormat, settingsContext, _currentRecordingCts.Token);
if (_throwAwayResult)
{
// The user cancelled the video recording
try
{
if (File.Exists(targetFile))
{
File.Delete(targetFile);
}
}
catch
{
// Not _that_ important to handle this because it's in a temp dir and willb e gone on reboot anyway
}
return(null);
}
return(recording);
}
}
finally
{
_currentRecordingCts = null;
_throwAwayResult = false;
}
}
