add an explicit close function to sndfile

NB. if someday we want to switch back to upstream
SndfileHandle, we need to subclass wrap it.
(not sure what else is different, anyway)

diff --git a/libs/audiographer/private/sndfile.hh b/libs/audiographer/private/sndfile.hh
index 1c4ef5ab58b03dbfc4a64a55fdb8bb5a487a8270..02e8651f6080f049e62726fdae9c85a115252649 100644 (file)
--- a/libs/audiographer/private/sndfile.hh
+++ b/libs/audiographer/private/sndfile.hh
@@ -87,6 +87,8 @@ class SndfileHandle
                        SndfileHandle (const SndfileHandle &orig) ;
                        SndfileHandle & operator = (const SndfileHandle &rhs) ;
 
+                       void close (void) ;
+
                /* Mainly for debugging/testing. */
                int refCount (void) const { return (p == NULL) ? 0 : p->ref ; }
 
@@ -152,6 +154,18 @@ inline
 SndfileHandle::SNDFILE_ref::~SNDFILE_ref (void)
 {      if (sf != NULL) { sf_close (sf) ; } }
 
+
+void
+SndfileHandle::close (void)
+{
+       if (p != NULL && --p->ref == 0)
+       {
+               delete p ;
+               p = NULL;
+       }
+}
+
+
 inline
 SndfileHandle::SndfileHandle (const char *path, int mode, int fmt, int chans, int srate)
 : p (NULL)