/// <summary>
/// Show a configuration dialog (modal) for JMDWriter
/// </summary>
/// <param name="threads">number of threads</param>
/// <param name="complevel">compression level</param>
/// <param name="tmin">minimum possible number of threads</param>
/// <param name="tmax">maximum possible number of threads</param>
/// <param name="cmin">minimum compression level, assumed to be "no compression"</param>
/// <param name="cmax">maximum compression level</param>
/// <param name="hwnd">hwnd of parent</param>
/// <returns>false if user canceled; true if user consented</returns>
public static bool DoCompressionDlg(ref int threads, ref int complevel, int tmin, int tmax, int cmin, int cmax, IWin32Window hwnd)
{
JMDForm j = new JMDForm();
j.threadsBar.Minimum = tmin;
j.threadsBar.Maximum = tmax;
j.compressionBar.Minimum = cmin;
j.compressionBar.Maximum = cmax;
j.threadsBar.Value = threads;
j.compressionBar.Value = complevel;
j.threadsBar_Scroll(null, null);
j.compressionBar_Scroll(null, null);
j.threadLeft.Text = String.Format("{0}", tmin);
j.threadRight.Text = String.Format("{0}", tmax);
j.compressionLeft.Text = String.Format("{0}", cmin);
j.compressionRight.Text = String.Format("{0}", cmax);
DialogResult d = j.ShowDialog(hwnd);
threads = j.threadsBar.Value;
complevel = j.compressionBar.Value;
j.Dispose();
if (d == DialogResult.OK)
return true;
else
return false;
}
/// <summary>
/// Show a configuration dialog (modal) for JMDWriter
/// </summary>
/// <param name="threads">number of threads</param>
/// <param name="complevel">compression level</param>
/// <param name="tmin">minimum possible number of threads</param>
/// <param name="tmax">maximum possible number of threads</param>
/// <param name="cmin">minimum compression level, assumed to be "no compression"</param>
/// <param name="cmax">maximum compression level</param>
/// <param name="hwnd">hwnd of parent</param>
/// <returns>false if user canceled; true if user consented</returns>
public static bool DoCompressionDlg(ref int threads, ref int complevel, int tmin, int tmax, int cmin, int cmax, IWin32Window hwnd)
{
JMDForm j = new JMDForm();
j.threadsBar.Minimum = tmin;
j.threadsBar.Maximum = tmax;
j.compressionBar.Minimum = cmin;
j.compressionBar.Maximum = cmax;
j.threadsBar.Value = threads;
j.compressionBar.Value = complevel;
j.threadsBar_Scroll(null, null);
j.compressionBar_Scroll(null, null);
j.threadLeft.Text = $"{tmin}";
j.threadRight.Text = $"{tmax}";
j.compressionLeft.Text = $"{cmin}";
j.compressionRight.Text = $"{cmax}";
DialogResult d = j.ShowDialog(hwnd);
threads = j.threadsBar.Value;
complevel = j.compressionBar.Value;
j.Dispose();
if (d == DialogResult.OK)
{
return(true);
}
return(false);
}
/// <summary>
/// obtain a set of recording compression parameters
/// </summary>
/// <param name="hwnd">hwnd to attach to if the user is shown config dialog</param>
/// <returns>codec token, dispose of it when you're done with it</returns>
public IDisposable AcquireVideoCodecToken(System.Windows.Forms.IWin32Window hwnd)
{
CodecToken ret = new CodecToken();
// load from config and sanitize
int t = Math.Min(Math.Max(Global.Config.JMDThreads, 1), 6);
int c = Math.Min(Math.Max(Global.Config.JMDCompression, Deflater.NO_COMPRESSION), Deflater.BEST_COMPRESSION);
if (!JMDForm.DoCompressionDlg(ref t, ref c, 1, 6, Deflater.NO_COMPRESSION, Deflater.BEST_COMPRESSION, hwnd))
{
return(null);
}
Global.Config.JMDThreads = ret.numthreads = t;
Global.Config.JMDCompression = ret.compressionlevel = c;
return(ret);
}