static void CbMessage(object o, MessageArgs args)
{
var bus = o as Bus;
var msg = args.Message;
switch (args.Message.Type)
{
case MessageType.Error:
msg.ParseError(out GLib.GException err, out string debug);
Console.WriteLine($"Error: {err.Message}");
_pipeline.SetState(State.Ready);
_loop.Quit();
break;
case MessageType.Eos:
// end-of-stream
_pipeline.SetState(State.Ready);
_loop.Quit();
break;
case MessageType.Buffering:
// If the stream is live, we do not care about buffering.
if (_isLive)
{
break;
}
_bufferingLevel = msg.ParseBuffering();
if (_bufferingLevel < 100)
{
_pipeline.SetState(State.Paused);
}
else
{
_pipeline.SetState(State.Playing);
}
break;
case MessageType.ClockLost:
// Get a new clock
_pipeline.SetState(State.Paused);
_pipeline.SetState(State.Playing);
break;
default:
// Unhandled message
break;
}
}
public void TestBufferOwnershipNIp()
{
MyTransformNIp.Register();
Pipeline pipeline = new Pipeline();
Element src = ElementFactory.Make("fakesrc");
src["sizetype"] = 2;
Element capsfilter = ElementFactory.Make("capsfilter");
capsfilter["caps"] = Caps.FromString("foo/bar");
src["num-buffers"] = 10;
MyTransformNIp transform = new MyTransformNIp();
Element sink = ElementFactory.Make("fakesink");
pipeline.Add(src, capsfilter, transform, sink);
Element.Link(src, capsfilter, transform, sink);
GLib.MainLoop loop = new GLib.MainLoop();
pipeline.Bus.AddWatch(delegate(Bus bus, Message message) {
switch (message.Type)
{
case MessageType.Error:
Enum err;
string msg;
message.ParseError(out err, out msg);
Assert.Fail(String.Format("Error message: {0}", msg));
loop.Quit();
break;
case MessageType.Eos:
loop.Quit();
break;
}
return(true);
});
pipeline.SetState(State.Playing);
loop.Run();
Assert.IsTrue(transform.transformed);
pipeline.SetState(State.Null);
}
static void Main(string[] args)
{
Gst.Application.Init();
TransformSample.Register();
Pipeline pipeline = new Pipeline();
Element videotestsrc = ElementFactory.Make("videotestsrc");
Element transform = new TransformSample();
Element ffmpegcolorspace = ElementFactory.Make("ffmpegcolorspace");
Element videosink = ElementFactory.Make("autovideosink");
pipeline.Add(videotestsrc, transform, ffmpegcolorspace, videosink);
Element.Link(videotestsrc, transform, ffmpegcolorspace, videosink);
GLib.MainLoop loop = new GLib.MainLoop();
pipeline.Bus.AddSignalWatch();
pipeline.Bus.Message += delegate(object sender, MessageArgs margs) {
Message message = margs.Message;
switch (message.Type)
{
case MessageType.Error:
Enum err;
string msg;
message.ParseError(out err, out msg);
System.Console.WriteLine(String.Format("Error message: {0}", msg));
loop.Quit();
break;
case MessageType.Eos:
loop.Quit();
break;
}
};
pipeline.SetState(State.Playing);
loop.Run();
pipeline.SetState(State.Null);
}
public static void Main(string [] args)
{
if (args.Length < 2)
{
Console.WriteLine("Usage: mono decodebin-transcoder.exe <input-file> <output-file>");
return;
}
Gst.Application.Init();
loop = new GLib.MainLoop();
DecodeBinTranscoder transcoder = new DecodeBinTranscoder();
transcoder.Error += delegate(object o, ErrorArgs eargs) {
Console.WriteLine("Error: {0}", eargs.Error);
transcoder.Dispose();
loop.Quit();
};
transcoder.Finished += delegate {
Console.WriteLine("\nFinished");
transcoder.Dispose();
loop.Quit();
};
transcoder.Progress += delegate(object o, ProgressArgs pargs) {
Console.Write("\rEncoding: {0} / {1} ({2:00.00}%) ",
new TimeSpan((pargs.Position / (long)Clock.Second) * TimeSpan.TicksPerSecond),
new TimeSpan((pargs.Duration / (long)Clock.Second) * TimeSpan.TicksPerSecond),
((double)pargs.Position / (double)pargs.Duration) * 100.0);
};
transcoder.Transcode(args[0], args[1]);
loop.Run();
}
bool MessageReceived(Bus bus, Message message)
{
MessageType type = message.Type;
switch (type)
{
case MessageType.StateChanged: {
State old, newState, pending;
message.ParseStateChanged(out old, out newState, out pending);
if (message.Src == (Gst.Object)pipeline && newState == State.Playing)
{
loop.Quit();
}
break;
}
case MessageType.Error:
break;
default:
break;
}
return(true);
}