61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
// Authors
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// Copyright (C) 2014 Stephan Sundermann <stephansundermann@gmail.com>
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using System;
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using Gst;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace GstreamerSharp
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{
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class Playback
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{
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public static void Main (string[] args)
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{
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// Initialize GStreamer
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Application.Init (ref args);
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// Build the pipeline
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var pipeline = Parse.Launch ("playbin uri=http://freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm");
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// Create the elements inside the sink bin
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var equalizer = ElementFactory.Make ("equalizer-3bands", "equalizer");
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var convert = ElementFactory.Make ("audioconvert", "convert");
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var sink = ElementFactory.Make ("autoaudiosink", "audio_sink");
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if (equalizer == null || convert == null || sink == null) {
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Console.WriteLine ("Not all elements could be created.");
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return;
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}
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// Create the sink bin, add the elements and link them
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var bin = new Bin ("audio_sink_bin");
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bin.Add (equalizer, convert, sink);
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Element.Link (equalizer, convert, sink);
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var pad = equalizer.GetStaticPad ("sink");
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var ghostPad = new GhostPad ("sink", pad);
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ghostPad.SetActive (true);
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bin.AddPad (ghostPad);
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// Configure the equalizer
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equalizer["band1"] = (double)-24.0;
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equalizer["band2"] = (double)-24.0;
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// Set playbin's audio sink to be our sink bin
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pipeline["audio-sink"] = bin;
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// Start playing
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var ret = pipeline.SetState (State.Playing);
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if (ret == StateChangeReturn.Failure) {
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Console.WriteLine ("Unable to set the pipeline to the playing state.");
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return;
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}
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// Wait until error or EOS
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var bus = pipeline.Bus;
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var msg = bus.TimedPopFiltered (Constants.CLOCK_TIME_NONE, MessageType.Error | MessageType.Eos);
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// Free resources
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pipeline.SetState (State.Null);
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}
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}
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} |