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diff data/fileio/AudioFileReader.h @ 823:f0558e69a074

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Rename Resampling- to DecodingWavFileReader, and use it whenever we have an audio file that is not quickly seekable using libsndfile. Avoids very slow performance when analysing ogg files.
author Chris Cannam
date Wed, 17 Jul 2013 15:40:01 +0100
parents 5db8181ea521
children 59e7fe1b1003
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line diff
--- a/data/fileio/AudioFileReader.h	Mon Jul 08 14:49:28 2013 +0100
+++ b/data/fileio/AudioFileReader.h	Wed Jul 17 15:40:01 2013 +0100
@@ -65,6 +65,13 @@
     typedef std::map<QString, QString> TagMap;
     virtual TagMap getTags() const { return TagMap(); }
 
+    /**
+     * Return true if this file supports fast seek and random
+     * access. Typically this will be true for uncompressed formats
+     * and false for compressed ones.
+     */
+    virtual bool isQuicklySeekable() const = 0;
+
     /** 
      * Return interleaved samples for count frames from index start.
      * The resulting sample block will contain count *