public void GoToPreviousChapter(Element playbin)
{
long index;
Format format = Util.FormatGetByNick ("chapter");
playbin.QueryPosition (format, out index);
playbin.Seek (1.0, format, SeekFlags.Flush, SeekType.Set, index - 1, SeekType.None, 0L);
}
public static void Main(string[] args)
{
// Initialize Gstreamer
Application.Init(ref args);
// Create the elements
playbin = ElementFactory.Make ("playbin", "playbin");
if (playbin == null) {
Console.WriteLine ("Not all elements could be created");
return;
}
// Set the URI to play.
playbin ["uri"] = "http://download.blender.org/durian/trailer/sintel_trailer-1080p.mp4";
// Start playing
var ret = playbin.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
}
// Listen to the bus
var bus = playbin.Bus;
do {
var msg = bus.TimedPopFiltered (100 * Constants.MSECOND, MessageType.StateChanged | MessageType.Error | MessageType.DurationChanged);
// Parse message
if (msg != null) {
HandleMessage (msg);
}
else {
// We got no message, this means the timeout expired
if (playing) {
var fmt = Format.Time;
var current = -1L;
// Query the current position of the stream
if (!playbin.QueryPosition (fmt, out current)) {
Console.WriteLine ("Could not query current position.");
}
// if we didn't know it yet, query the stream position
if (duration <= 0) {
if (!playbin.QueryDuration (fmt, out duration)) {
Console.WriteLine ("Could not query current duration.");
}
}
// Print current position and total duration
Console.WriteLine ("Position {0} / {1}", new TimeSpan (current), new TimeSpan (duration));
if (seekEnabled && seekDone && current > 10L * Constants.SECOND) {
Console.WriteLine ("Readed 10s, performing seek...");
playbin.SeekSimple (fmt, SeekFlags.KeyUnit, 30L * Constants.SECOND);
seekDone = true;
}
}
}
} while (!terminate);
}