private bool OnProgressTimeout()
{
long duration, position;
Gst.Format fmt = Gst.Format.Time;
if (pipeline.QueryDuration(ref fmt, out duration) && fmt == Gst.Format.Time && encoder.QueryPosition(ref fmt, out position) && fmt == Gst.Format.Time)
{
OnProgress(position, duration);
}
return(true);
}
bool UpdatePos () {
Gst.Format fmt = Gst.Format.Time;
long duration, pos;
if ( (_playbin != null) && _pipelineOK &&
_playbin.QueryDuration (ref fmt, out duration) &&
_playbin.QueryPosition (ref fmt, out pos)) {
_lbl.Text = string.Format ("{0} / {1}", TimeString (pos), TimeString (duration));
_updatingScale = true;
_scale.Value = (double) pos / duration;
_updatingScale = false;
}
return true;
}
void ScaleValueChanged (object sender, EventArgs args) {
if (_updatingScale)
return;
long duration;
Gst.Format fmt = Gst.Format.Time;
Console.WriteLine ("Trying to seek");
if ( (_playbin != null) && _pipelineOK && _playbin.QueryDuration (ref fmt, out duration) && duration != -1) {
long pos = (long) (duration * _scale.Value);
Console.WriteLine ("Seek to {0}/{1} ({2}%)", pos, duration, _scale.Value);
bool ret = _playbin.Seek (Format.Time, SeekFlags.Flush | SeekFlags.KeyUnit, pos);
Console.WriteLine ("Seeked {0}successfully", (ret ? "" : "not "));
}
}
