private void buttonOK_Click(object sender, EventArgs e)
{
buttonOK.Enabled = false;
var fileName = radioButtonColor.Checked ? "blank_video_solid" : "blank_video_checkered";
using (var saveDialog = new SaveFileDialog {
FileName = fileName, Filter = "Matroska|*.mkv"
})
{
if (saveDialog.ShowDialog(this) != DialogResult.OK)
{
return;
}
VideoFileName = saveDialog.FileName;
}
if (File.Exists(VideoFileName))
{
File.Delete(VideoFileName);
}
progressBar1.Style = ProgressBarStyle.Marquee;
progressBar1.Visible = true;
labelPleaseWait.Visible = true;
var process = VideoPreviewGenerator.GenerateVideoFile(
VideoFileName,
(int)Math.Round(numericUpDownDurationMinutes.Value * 60),
(int)numericUpDownWidth.Value,
(int)numericUpDownHeight.Value,
panelColor.BackColor,
radioButtonCheckeredImage.Checked,
decimal.Parse(comboBoxFrameRate.Text)
);
process.Start();
while (!process.HasExited)
{
System.Threading.Thread.Sleep(100);
Application.DoEvents();
if (_abort)
{
process.Kill();
}
}
progressBar1.Visible = false;
labelPleaseWait.Visible = false;
DialogResult = _abort ? DialogResult.Cancel : DialogResult.OK;
}
private void buttonPreview_Click(object sender, EventArgs e)
{
try
{
buttonPreview.Enabled = false;
labelPreviewPleaseWait.Visible = true;
Cursor = Cursors.WaitCursor;
// generate blank video
var tempVideoFileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + ".mkv");
var process = VideoPreviewGenerator.GenerateVideoFile(
tempVideoFileName,
2,
(int)numericUpDownWidth.Value,
(int)numericUpDownHeight.Value,
Color.Black,
true,
25,
null);
process.Start();
while (!process.HasExited)
{
System.Threading.Thread.Sleep(100);
Application.DoEvents();
}
// make temp assa file with font
var assaTempFileName = GetAssaFileName(tempVideoFileName);
var sub = new Subtitle();
sub.Header = _assaSubtitle.Header;
sub.Paragraphs.Add(new Paragraph(GetPreviewParagraph()));
if (!_isAssa)
{
SetStyleForNonAssa(sub);
}
FixRightToLeft(sub);
FileUtil.WriteAllText(assaTempFileName, new AdvancedSubStationAlpha().ToText(sub, string.Empty), new TextEncoding(Encoding.UTF8, "UTF8"));
// hardcode subtitle
var outputVideoFileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + ".mp4");
process = GetFfmpegProcess(tempVideoFileName, outputVideoFileName, assaTempFileName);
process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
while (!process.HasExited)
{
System.Threading.Thread.Sleep(100);
Application.DoEvents();
}
string bmpFileName;
try
{
bmpFileName = VideoPreviewGenerator.GetScreenShot(outputVideoFileName, "00:00:01");
using (var bmp = new Bitmap(bmpFileName))
{
using (var form = new ExportPngXmlPreview(bmp))
{
form.AllowNext = false;
form.AllowPrevious = false;
labelPreviewPleaseWait.Visible = false;
form.ShowDialog(this);
}
}
}
catch
{
if (comboBoxVideoEncoding.Text.EndsWith("_amf"))
{
MessageBox.Show("Unable to generate video with AMD hardware acceleration!");
}
else if (comboBoxVideoEncoding.Text.EndsWith("_nvenc"))
{
MessageBox.Show("Unable to generate video with Nvidia hardware acceleration!");
}
else
{
MessageBox.Show("Unable to generate video!");
}
Cursor = Cursors.Default;
buttonPreview.Enabled = true;
labelPreviewPleaseWait.Visible = false;
return;
}
try
{
File.Delete(tempVideoFileName);
File.Delete(assaTempFileName);
File.Delete(outputVideoFileName);
File.Delete(bmpFileName);
}
catch
{
// ignore
}
}
finally
{
Cursor = Cursors.Default;
buttonPreview.Enabled = true;
labelPreviewPleaseWait.Visible = false;
}
}
private void buttonOK_Click(object sender, EventArgs e)
{
EnableDisableControls(false);
var fileName = radioButtonColor.Checked ? "blank_video_solid" : (radioButtonCheckeredImage.Checked ? "blank_video_checkered" : "blank_video_image");
using (var saveDialog = new SaveFileDialog {
FileName = fileName, Filter = "MP4|*.mp4|Matroska|*.mkv|WebM|*.webm"
})
{
if (saveDialog.ShowDialog(this) != DialogResult.OK)
{
EnableDisableControls(true);
return;
}
VideoFileName = saveDialog.FileName;
}
if (File.Exists(VideoFileName))
{
File.Delete(VideoFileName);
}
progressBar1.Visible = true;
labelPleaseWait.Visible = true;
var process = VideoPreviewGenerator.GenerateVideoFile(
VideoFileName,
(int)Math.Round(numericUpDownDurationMinutes.Value * 60),
(int)numericUpDownWidth.Value,
(int)numericUpDownHeight.Value,
panelColor.BackColor,
radioButtonCheckeredImage.Checked,
decimal.Parse(comboBoxFrameRate.Text),
radioButtonImage.Checked ? _backgroundImage : null,
OutputHandler);
process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
_totalFrames = (long)Math.Round(float.Parse(comboBoxFrameRate.Text, CultureInfo.CurrentCulture) * (float)numericUpDownDurationMinutes.Value * 60.0f);
progressBar1.Maximum = (int)_totalFrames;
_startTicks = DateTime.UtcNow.Ticks;
timer1.Start();
while (!process.HasExited)
{
var v = (int)_processedFrames;
if (v >= progressBar1.Minimum && v <= progressBar1.Maximum)
{
progressBar1.Value = v;
}
System.Threading.Thread.Sleep(100);
Application.DoEvents();
if (_abort)
{
process.Kill();
}
}
progressBar1.Visible = false;
labelPleaseWait.Visible = false;
timer1.Stop();
labelProgress.Text = string.Empty;
DialogResult = _abort ? DialogResult.Cancel : DialogResult.OK;
}
private void buttonPreview_Click(object sender, EventArgs e)
{
try
{
buttonPreview.Enabled = false;
labelPreviewPleaseWait.Visible = true;
Cursor = Cursors.WaitCursor;
// generate blank video
var tempVideoFileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".mkv");
var process = VideoPreviewGenerator.GenerateVideoFile(
tempVideoFileName,
2,
(int)numericUpDownWidth.Value,
(int)numericUpDownHeight.Value,
Color.Black,
true,
25);
process.Start();
while (!process.HasExited)
{
System.Threading.Thread.Sleep(100);
Application.DoEvents();
}
// make temp assa file with font
var assaTempFileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".ass");
var sub = new Subtitle();
sub.Header = _assaSubtitle.Header;
sub.Paragraphs.Add(new Paragraph(GetPreviewText(), 0, 10_000));
if (numericUpDownFontSize.Visible) // not ASSA format
{
SetStyleForNonAssa(sub);
}
FixRightToLeft(sub);
File.WriteAllText(assaTempFileName, new AdvancedSubStationAlpha().ToText(sub, string.Empty));
// hardcode subtitle
var outputVideoFileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".mp4");
process = GetFfmpegProcess(tempVideoFileName, outputVideoFileName, assaTempFileName);
process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
while (!process.HasExited)
{
System.Threading.Thread.Sleep(100);
Application.DoEvents();
}
Cursor = Cursors.Default;
var bmpFileName = VideoPreviewGenerator.GetScreenShot(outputVideoFileName, "00:00:01");
using (var bmp = new Bitmap(bmpFileName))
{
using (var form = new ExportPngXmlPreview(bmp))
{
form.AllowNext = false;
form.AllowPrevious = false;
labelPreviewPleaseWait.Visible = false;
form.ShowDialog(this);
}
}
try
{
File.Delete(tempVideoFileName);
File.Delete(assaTempFileName);
File.Delete(outputVideoFileName);
File.Delete(bmpFileName);
}
catch
{
// ignore
}
}
finally
{
Cursor = Cursors.Default;
buttonPreview.Enabled = true;
labelPreviewPleaseWait.Visible = false;
}
}
