/*
- Copyright (C) 2004-2007 Paul Davis
+ 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
#include <algorithm>
#include <cmath>
-#include <pbd/error.h>
+#include "pbd/error.h"
-#include <ardour/types.h>
-#include <ardour/stretch.h>
-#include <ardour/audiofilesource.h>
-#include <ardour/session.h>
-#include <ardour/audioregion.h>
+#include "ardour/types.h"
+#include "ardour/stretch.h"
+#include "ardour/audiofilesource.h"
+#include "ardour/session.h"
+#include "ardour/audioregion.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace soundtouch;
-Stretch::Stretch (Session& s, TimeFXRequest& req)
+STStretch::STStretch (Session& s, TimeFXRequest& req)
: Filter (s)
, tsr (req)
{
float percentage;
- /* the soundtouch code wants a *tempo* change percentage, which is
- of opposite sign to the length change.
+ /* the soundtouch code wants a *tempo* change percentage, which is
+ of opposite sign to the length change.
*/
percentage = -tsr.time_fraction;
st.setTempoChange (percentage);
st.setPitchSemiTones (0);
st.setRateChange (0);
-
+
st.setSetting(SETTING_USE_QUICKSEEK, tsr.quick_seek);
st.setSetting(SETTING_USE_AA_FILTER, tsr.antialias);
- tsr.progress = 0.0f;
}
-Stretch::~Stretch ()
+STStretch::~STStretch ()
{
}
int
-Stretch::run (boost::shared_ptr<Region> a_region)
+STStretch::run (boost::shared_ptr<Region> a_region, Progress* progress)
{
SourceList nsrcs;
- nframes_t total_frames;
- nframes_t done;
+ framecnt_t total_frames;
+ framecnt_t done;
int ret = -1;
- const nframes_t bufsize = 16384;
+ const framecnt_t bufsize = 16384;
gain_t *gain_buffer = 0;
Sample *buffer = 0;
char suffix[32];
string new_name;
string::size_type at;
- tsr.progress = 0.0f;
+ progress->set_progress (0);
tsr.done = false;
-
+
boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(a_region);
total_frames = region->length() * region->n_channels();
/* the name doesn't need to be super-precise, but allow for 2 fractional
digits just to disambiguate close but not identical stretches.
*/
-
+
snprintf (suffix, sizeof (suffix), "@%d", (int) floor (tsr.time_fraction * 100.0f));
/* create new sources */
-
+
if (make_new_sources (region, nsrcs, suffix)) {
goto out;
}
boost::shared_ptr<AudioSource> asrc
= boost::dynamic_pointer_cast<AudioSource>(nsrcs[i]);
- nframes_t pos = 0;
- nframes_t this_read = 0;
+ framepos_t pos = 0;
+ framecnt_t this_read = 0;
st.clear();
while (!tsr.cancel && pos < region->length()) {
- nframes_t this_time;
-
+ framecnt_t this_time;
+
this_time = min (bufsize, region->length() - pos);
- /* read from the master (original) sources for the region,
- not the ones currently in use, in case it's already been
- subject to timefx.
+ /* read from the master (original) sources for the region,
+ not the ones currently in use, in case it's already been
+ subject to timefx.
*/
if ((this_read = region->master_read_at (buffer, buffer, gain_buffer, pos + region->position(), this_time)) != this_time) {
error << string_compose (_("tempoize: error reading data from %1"), asrc->name()) << endmsg;
goto out;
}
-
+
pos += this_read;
done += this_read;
- tsr.progress = (float) done / total_frames;
-
+ progress->set_progress ((float) done / total_frames);
+
st.putSamples (buffer, this_read);
-
+
while ((this_read = st.receiveSamples (buffer, bufsize)) > 0 && !tsr.cancel) {
if (asrc->write (buffer, this_read) != this_read) {
error << string_compose (_("error writing tempo-adjusted data to %1"), asrc->name()) << endmsg;
}
}
}
-
+
if (!tsr.cancel) {
st.flush ();
}
-
+
while (!tsr.cancel && (this_read = st.receiveSamples (buffer, bufsize)) > 0) {
if (asrc->write (buffer, this_read) != this_read) {
error << string_compose (_("error writing tempo-adjusted data to %1"), asrc->name()) << endmsg;
/* now reset ancestral data for each new region */
for (vector<boost::shared_ptr<Region> >::iterator x = results.begin(); x != results.end(); ++x) {
- nframes64_t astart = (*x)->ancestral_start();
- nframes64_t alength = (*x)->ancestral_length();
- nframes_t start;
- nframes_t length;
+ framepos_t astart = (*x)->ancestral_start();
+ framepos_t alength = (*x)->ancestral_length();
+ framepos_t start;
+ framecnt_t length;
- // note: tsr.fraction is a percentage of original length. 100 = no change,
+ // note: tsr.fraction is a percentage of original length. 100 = no change,
// 50 is half as long, 200 is twice as long, etc.
float stretch = (*x)->stretch() * (tsr.time_fraction/100.0);
- start = (nframes_t) floor (astart + ((astart - (*x)->start()) / stretch));
- length = (nframes_t) floor (alength / stretch);
+ start = (framepos_t) floor (astart + ((astart - (*x)->start()) / stretch));
+ length = (framecnt_t) floor (alength / stretch);
(*x)->set_ancestral_data (start, length, stretch, (*x)->shift());
}
out:
- if (gain_buffer) {
- delete [] gain_buffer;
- }
-
- if (buffer) {
- delete [] buffer;
- }
+ delete [] gain_buffer;
+ delete [] buffer;
if (ret || tsr.cancel) {
for (SourceList::iterator si = nsrcs.begin(); si != nsrcs.end(); ++si) {
(*si)->mark_for_remove ();
}
}
-
- tsr.done = true;
return ret;
}