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changeset 1005:6b2a8b34e9d3

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Add setNofM logic which the JSON writer can use to write a list when sending multiple files' worth to a single target
author Chris Cannam
date Wed, 15 Oct 2014 16:05:15 +0100
parents 7d003fe48225
children d954e03274e8
files transform/FeatureWriter.h
diffstat 1 files changed, 8 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/transform/FeatureWriter.h	Wed Oct 15 13:30:14 2014 +0100
+++ b/transform/FeatureWriter.h	Wed Oct 15 16:05:15 2014 +0100
@@ -79,8 +79,15 @@
         QString m_transformId;
     };
 
+    /**
+     * Notify the writer that we are about to start extraction for
+     * input file N of M (where N is 1..M). May be useful when writing
+     * multiple outputs into a single file where some syntactic
+     * element is needed to connect them.
+     */
+    virtual void setNofM(int /* N */, int /* M */) { }
+
     // may throw FailedToOpenFile or other exceptions
-
     virtual void write(QString trackid,
                        const Transform &transform,
                        const Vamp::Plugin::OutputDescriptor &output,