private void cmbVideoCodec_SelectedIndexChanged(object sender, EventArgs e)
{
cmbVideoResolution.Items.Clear();
txtVideoBitrate.Text = null;
txtVideoFramerate.Text = null;
VideoCodecWrapper encoder = cmbVideoCodec.SelectedItem as VideoCodecWrapper;
if (encoder != null)
{
Media.VideoResolution[] resolutions = encoder.GetResolutions();
if (resolutions != null)
{
foreach (Media.VideoResolution resolution in resolutions)
{
cmbVideoResolution.Items.Add(new VideoResolutionWrapper {
Resolution = resolution
});
}
}
Media.IntRange framerate = encoder.GetFrameLimit();
if (framerate != null)
{
txtVideoFramerate.Text = framerate.Min.ToString();
}
}
if (cmbVideoResolution.Items.Count > 0)
{
cmbVideoResolution.SelectedIndex = 0;
}
}
private void txtVideoFramerate_Validating(object sender, CancelEventArgs e)
{
if (!string.IsNullOrEmpty(txtVideoFramerate.Text))
{
int value;
Media.IntRange range = null;
bool valid = int.TryParse(txtVideoFramerate.Text, out value);
VideoCodecWrapper codec = cmbVideoCodec.SelectedItem as VideoCodecWrapper;
if (codec != null)
{
range = codec.GetFrameLimit();
if ((range != null) && (valid))
{
valid = (value >= range.Min) && (value <= range.Max);
}
}
if (!valid)
{
string message = "Please enter integer value";
if (range != null)
{
message += string.Format(" between {0} and {1}", range.Min, range.Max);
}
MessageBox.Show(this, message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
}
}
}
public Media.IntRange GetFrameLimit()
{
Media.IntRange limit = null;
if (H264 != null)
{
limit = H264.FrameRateRange;
}
else if (Jpeg != null)
{
limit = Jpeg.FrameRateRange;
}
else if (Mpeg4 != null)
{
limit = Mpeg4.FrameRateRange;
}
return(limit);
}