/*
- Copyright (C) 2004 Paul Davis
+ Copyright (C) 2004 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <algorithm>
-#include <pbd/basename.h>
-
-#include <ardour/types.h>
-#include <ardour/reverse.h>
-#include <ardour/audiofilesource.h>
-#include <ardour/session.h>
-#include <ardour/audioregion.h>
-
-#include "i18n.h"
+#include "ardour/audioregion.h"
+#include "ardour/audiosource.h"
+#include "ardour/reverse.h"
+#include "ardour/types.h"
using namespace std;
using namespace ARDOUR;
+namespace ARDOUR { class Progress; class Session; }
+
Reverse::Reverse (Session& s)
- : AudioFilter (s)
+ : Filter (s)
{
}
}
int
-Reverse::run (boost::shared_ptr<AudioRegion> region)
+Reverse::run (boost::shared_ptr<Region> r, Progress*)
{
SourceList nsrcs;
SourceList::iterator si;
- nframes_t blocksize = 256 * 1024;
- Sample* buf;
- nframes_t fpos;
- nframes_t fstart;
- nframes_t to_read;
+ framecnt_t blocksize = 256 * 1024;
+ Sample* buf = 0;
+ framepos_t fpos;
+ framepos_t fstart;
+ framecnt_t to_read;
int ret = -1;
+ boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(r);
+ if (!region)
+ return ret;
+
/* create new sources */
if (make_new_sources (region, nsrcs)) {
}
fpos = max (fstart, (fstart + region->length() - blocksize));
+
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) {
for (n = 0, si = nsrcs.begin(); n < region->n_channels(); ++n, ++si) {
- /* read it in */
+ /* read it in directly from the source */
- 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;
}
/* swap memory order */
-
- for (nframes_t i = 0; i < to_read/2; ++i) {
+
+ for (framecnt_t i = 0; i < to_read/2; ++i) {
swap (buf[i],buf[to_read-1-i]);
}
-
+
/* 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;
}
}
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;
}
};
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 ();
}
}
-
+
return ret;
}