Readme

StefH · Jan 5, 2021 · baa8a52 · baa8a52
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diff --git a/README.md b/README.md
@@ -20,9 +20,12 @@ A Matroska demuxer to extract Ogg Opus audio from a .webm file
 [![NuGet](https://buildstats.info/nuget/Matroska)](https://www.nuget.org/packages/Matroska)
 
 ### Usage
-Todo
+Extract
 ``` c#
-...
+var inputStream = new FileStream("test.webm", FileMode.Open, FileAccess.Read);
+var outputStream = File.OpenWrite("test.opus");
+
+MatroskaDemuxer.ExtractOggOpusAudio(inputStream, outputStream);
 ```
 
 # Credits

diff --git a/src/Matroska.Muxer/MatroskaDemuxer.cs b/src/Matroska.Muxer/MatroskaDemuxer.cs
@@ -6,6 +6,12 @@ namespace Matroska.Muxer
 {
  public static class MatroskaDemuxer
  {
+ public static void ExtractOggOpusAudio(Stream inputStream, Stream outputStream)
+ {
+ var doc = MatroskaSerializer.Deserialize(inputStream);
+ new OggOpusAudioStreamDemuxer(doc).CopyTo(outputStream);
+ }
+
  public static void ExtractOggOpusAudio(MatroskaDocument doc, Stream outputStream)
  {
  new OggOpusAudioStreamDemuxer(doc).CopyTo(outputStream);