X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Freverse.cc;h=c7ebecea317029172a8d927a7cb005421861b3ab;hb=c7e404a1c0ee9af941a335e4bdd2f667b0c6317a;hp=7495fd177f008aeac62373ea2365edb40830a4e6;hpb=7e277f96d78f56073cd2021dc1c0305cdabd3d90;p=ardour.git

diff --git a/libs/ardour/reverse.cc b/libs/ardour/reverse.cc
index 7495fd177f..c7ebecea31 100644
--- a/libs/ardour/reverse.cc
+++ b/libs/ardour/reverse.cc
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #include <algorithm>
@@ -48,7 +47,7 @@ Reverse::run (boost::shared_ptr<AudioRegion> region)
 	SourceList nsrcs;
 	SourceList::iterator si;
 	nframes_t blocksize = 256 * 1024;
-	Sample* buf;
+	Sample* buf = 0;
 	nframes_t fpos;
 	nframes_t fstart;
 	nframes_t to_read;
@@ -70,8 +69,6 @@ Reverse::run (boost::shared_ptr<AudioRegion> region)
 	buf = new Sample[blocksize];
 	to_read = blocksize;
 
-	cerr << "Reverse " << region->name() << " len = " << region->length() << " blocksize = " << blocksize << " start at " << fstart << endl;
-
 	/* now read it backwards */
 
 	while (to_read) {
@@ -81,10 +78,8 @@ Reverse::run (boost::shared_ptr<AudioRegion> region)
 		for (n = 0, si = nsrcs.begin(); n < region->n_channels(); ++n, ++si) {
 
 			/* read it in */
-
-			cerr << "read at " << fpos << " for " << to_read << endl;
 			
-			if (region->source (n)->read (buf, fpos, to_read) != to_read) {
+			if (region->audio_source (n)->read (buf, fpos, to_read) != to_read) {
 				goto out;
 			}
 
@@ -96,7 +91,9 @@ Reverse::run (boost::shared_ptr<AudioRegion> region)
 			
 			/* write it out */
 
-			if ((*si)->write (buf, to_read) != to_read) {
+			boost::shared_ptr<AudioSource> asrc(boost::dynamic_pointer_cast<AudioSource>(*si));
+
+			if (asrc && asrc->write (buf, to_read) != to_read) {
 				goto out;
 			}
 		}
@@ -106,7 +103,6 @@ Reverse::run (boost::shared_ptr<AudioRegion> region)
 			to_read = blocksize;
 		} else {
 			to_read = fpos - fstart;
-			cerr << "Last read detected, only " << fpos - fstart << " left; move to start and read " << to_read << endl;
 			fpos = fstart;
 		}
 	};
@@ -115,11 +111,14 @@ Reverse::run (boost::shared_ptr<AudioRegion> region)
 
   out:
 
-	delete [] buf;
+	if (buf) {
+		delete [] buf;
+	}
 
 	if (ret) {
 		for (si = nsrcs.begin(); si != nsrcs.end(); ++si) {
-			(*si)->mark_for_remove ();
+			boost::shared_ptr<AudioSource> asrc(boost::dynamic_pointer_cast<AudioSource>(*si));
+			asrc->mark_for_remove ();
 		}
 	}