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authorDoug McLain <doug@nostar.net>2008-06-02 05:02:28 +0000
committerDoug McLain <doug@nostar.net>2008-06-02 05:02:28 +0000
commit9c0d7d72d70082a54f823cd44c0ccda5da64bb6f (patch)
tree96ec400b83b8c1c06852b1936f684b5fbcd47a79 /libs/ardour/rb_effect.cc
parent2f3f697bb8e185eb43c2c50b4eefc2bcb937f269 (diff)
remove empty sigc++2 directory
git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/ardour/rb_effect.cc')
-rw-r--r--libs/ardour/rb_effect.cc298
1 files changed, 0 insertions, 298 deletions
diff --git a/libs/ardour/rb_effect.cc b/libs/ardour/rb_effect.cc
deleted file mode 100644
index 4daf5cb33a..0000000000
--- a/libs/ardour/rb_effect.cc
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- Copyright (C) 2004-2007 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include <algorithm>
-#include <cmath>
-
-#include <pbd/error.h>
-#include <rubberband/RubberBandStretcher.h>
-
-#include <ardour/types.h>
-#include <ardour/stretch.h>
-#include <ardour/pitch.h>
-#include <ardour/audiofilesource.h>
-#include <ardour/session.h>
-#include <ardour/audioregion.h>
-
-#include "i18n.h"
-
-using namespace std;
-using namespace ARDOUR;
-using namespace PBD;
-using namespace RubberBand;
-
-Pitch::Pitch (Session& s, TimeFXRequest& req)
- : RBEffect (s, req)
-{
-}
-
-Stretch::Stretch (Session& s, TimeFXRequest& req)
- : RBEffect (s, req)
-{
-}
-
-RBEffect::RBEffect (Session& s, TimeFXRequest& req)
- : Filter (s)
- , tsr (req)
-
-{
- tsr.progress = 0.0f;
-}
-
-RBEffect::~RBEffect ()
-{
-}
-
-int
-RBEffect::run (boost::shared_ptr<AudioRegion> region)
-{
- SourceList nsrcs;
- nframes_t done;
- int ret = -1;
- const nframes_t bufsize = 256;
- gain_t* gain_buffer = 0;
- Sample** buffers = 0;
- char suffix[32];
- string new_name;
- string::size_type at;
- nframes_t pos = 0;
- int avail = 0;
-
- // note: this_time_fraction is a ratio of original length. 1.0 = no change,
- // 0.5 is half as long, 2.0 is twice as long, etc.
-
- double this_time_fraction = tsr.time_fraction * region->stretch ();
- double this_pitch_fraction = tsr.pitch_fraction * region->shift ();
-
- RubberBandStretcher stretcher (session.frame_rate(), region->n_channels(),
- (RubberBandStretcher::Options) tsr.opts,
- this_time_fraction, this_pitch_fraction);
-
- tsr.progress = 0.0f;
- tsr.done = false;
-
- uint32_t channels = region->n_channels();
- nframes_t duration = region->ancestral_length();
-
- stretcher.setExpectedInputDuration(duration);
- stretcher.setDebugLevel(1);
-
- /* the name doesn't need to be super-precise, but allow for 2 fractional
- digits just to disambiguate close but not identical FX
- */
-
- if (this_time_fraction == 1.0) {
- snprintf (suffix, sizeof (suffix), "@%d", (int) floor (this_pitch_fraction * 100.0f));
- } else if (this_pitch_fraction == 1.0) {
- snprintf (suffix, sizeof (suffix), "@%d", (int) floor (this_time_fraction * 100.0f));
- } else {
- snprintf (suffix, sizeof (suffix), "@%d-%d",
- (int) floor (this_time_fraction * 100.0f),
- (int) floor (this_pitch_fraction * 100.0f));
- }
-
- /* create new sources */
-
- if (make_new_sources (region, nsrcs, suffix)) {
- goto out;
- }
-
- gain_buffer = new gain_t[bufsize];
- buffers = new float *[channels];
-
- for (uint32_t i = 0; i < channels; ++i) {
- buffers[i] = new float[bufsize];
- }
-
- /* we read from the master (original) sources for the region,
- not the ones currently in use, in case it's already been
- subject to timefx. */
-
- /* study first, process afterwards. */
-
- pos = 0;
- avail = 0;
- done = 0;
-
- try {
- while (pos < duration && !tsr.cancel) {
-
- nframes_t this_read = 0;
-
- for (uint32_t i = 0; i < channels; ++i) {
-
- this_read = 0;
- nframes_t this_time;
-
- this_time = min(bufsize, duration - pos);
-
- this_read = region->master_read_at
- (buffers[i],
- buffers[i],
- gain_buffer,
- pos + region->position(),
- this_time,
- i);
-
- if (this_read != this_time) {
- error << string_compose
- (_("tempoize: error reading data from %1 at %2 (wanted %3, got %4)"),
- region->name(), pos + region->position(), this_time, this_read) << endmsg;
- goto out;
- }
- }
-
- pos += this_read;
- done += this_read;
-
- tsr.progress = ((float) done / duration) * 0.25;
-
- stretcher.study(buffers, this_read, pos == duration);
- }
-
- done = 0;
- pos = 0;
-
- while (pos < duration && !tsr.cancel) {
-
- nframes_t this_read = 0;
-
- for (uint32_t i = 0; i < channels; ++i) {
-
- this_read = 0;
- nframes_t this_time;
-
- this_time = min(bufsize, duration - pos);
-
- this_read = region->master_read_at
- (buffers[i],
- buffers[i],
- gain_buffer,
- pos + region->position(),
- this_time,
- i);
-
- if (this_read != this_time) {
- error << string_compose
- (_("tempoize: error reading data from %1 at %2 (wanted %3, got %4)"),
- region->name(), pos + region->position(), this_time, this_read) << endmsg;
- goto out;
- }
- }
-
- pos += this_read;
- done += this_read;
-
- tsr.progress = 0.25 + ((float) done / duration) * 0.75;
-
- stretcher.process(buffers, this_read, pos == duration);
-
- int avail = 0;
-
- while ((avail = stretcher.available()) > 0) {
-
- this_read = min(bufsize, uint32_t(avail));
-
- stretcher.retrieve(buffers, this_read);
-
- for (uint32_t i = 0; i < nsrcs.size(); ++i) {
-
- if (nsrcs[i]->write(buffers[i], this_read) !=
- this_read) {
- error << string_compose (_("error writing tempo-adjusted data to %1"), nsrcs[i]->name()) << endmsg;
- goto out;
- }
- }
- }
- }
-
- while ((avail = stretcher.available()) >= 0) {
-
- uint32_t this_read = min(bufsize, uint32_t(avail));
-
- stretcher.retrieve(buffers, this_read);
-
- for (uint32_t i = 0; i < nsrcs.size(); ++i) {
-
- if (nsrcs[i]->write(buffers[i], this_read) !=
- this_read) {
- error << string_compose (_("error writing tempo-adjusted data to %1"), nsrcs[i]->name()) << endmsg;
- goto out;
- }
- }
- }
-
- } catch (runtime_error& err) {
- error << _("timefx code failure. please notify ardour-developers.") << endmsg;
- error << err.what() << endmsg;
- goto out;
- }
-
- new_name = region->name();
- at = new_name.find ('@');
-
- // remove any existing stretch indicator
-
- if (at != string::npos && at > 2) {
- new_name = new_name.substr (0, at - 1);
- }
-
- new_name += suffix;
-
- ret = finish (region, nsrcs, new_name);
-
- /* now reset ancestral data for each new region */
-
- for (vector<boost::shared_ptr<AudioRegion> >::iterator x = results.begin(); x != results.end(); ++x) {
-
- (*x)->set_ancestral_data (region->ancestral_start(),
- region->ancestral_length(),
- this_time_fraction,
- this_pitch_fraction );
- (*x)->set_master_sources (region->get_master_sources());
- }
-
- out:
-
- if (gain_buffer) {
- delete [] gain_buffer;
- }
-
- if (buffers) {
- for (uint32_t i = 0; i < channels; ++i) {
- delete buffers[i];
- }
- delete [] buffers;
- }
-
- if (ret || tsr.cancel) {
- for (SourceList::iterator si = nsrcs.begin(); si != nsrcs.end(); ++si) {
- (*si)->mark_for_remove ();
- }
- }
-
- tsr.done = true;
-
- return ret;
-}
-
-
-
-
-