mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
61 lines
No EOL
1.8 KiB
C#
61 lines
No EOL
1.8 KiB
C#
// Authors
|
|
// Copyright (C) 2014 Stephan Sundermann <stephansundermann@gmail.com>
|
|
|
|
using System;
|
|
using Gst;
|
|
using System.Runtime.InteropServices;
|
|
using System.Text;
|
|
|
|
namespace GstreamerSharp
|
|
{
|
|
class Playback
|
|
{
|
|
public static void Main (string[] args)
|
|
{
|
|
// Initialize GStreamer
|
|
Application.Init (ref args);
|
|
|
|
// Build the pipeline
|
|
var pipeline = Parse.Launch ("playbin uri=http://freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm");
|
|
|
|
// Create the elements inside the sink bin
|
|
var equalizer = ElementFactory.Make ("equalizer-3bands", "equalizer");
|
|
var convert = ElementFactory.Make ("audioconvert", "convert");
|
|
var sink = ElementFactory.Make ("autoaudiosink", "audio_sink");
|
|
if (equalizer == null || convert == null || sink == null) {
|
|
Console.WriteLine ("Not all elements could be created.");
|
|
return;
|
|
}
|
|
|
|
// Create the sink bin, add the elements and link them
|
|
var bin = new Bin ("audio_sink_bin");
|
|
bin.Add (equalizer, convert, sink);
|
|
Element.Link (equalizer, convert, sink);
|
|
var pad = equalizer.GetStaticPad ("sink");
|
|
var ghostPad = new GhostPad ("sink", pad);
|
|
ghostPad.SetActive (true);
|
|
bin.AddPad (ghostPad);
|
|
|
|
// Configure the equalizer
|
|
equalizer["band1"] = (double)-24.0;
|
|
equalizer["band2"] = (double)-24.0;
|
|
|
|
// Set playbin's audio sink to be our sink bin
|
|
pipeline["audio-sink"] = bin;
|
|
|
|
// Start playing
|
|
var ret = pipeline.SetState (State.Playing);
|
|
if (ret == StateChangeReturn.Failure) {
|
|
Console.WriteLine ("Unable to set the pipeline to the playing state.");
|
|
return;
|
|
}
|
|
|
|
// Wait until error or EOS
|
|
var bus = pipeline.Bus;
|
|
var msg = bus.TimedPopFiltered (Constants.CLOCK_TIME_NONE, MessageType.Error | MessageType.Eos);
|
|
|
|
// Free resources
|
|
pipeline.SetState (State.Null);
|
|
}
|
|
}
|
|
} |