MIDI region stretching.

git-svn-id: svn://localhost/ardour2/trunk@2927 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard
2008-01-17 00:37:46 +00:00
parent ac1a255706
commit 48ed9dc2c4
6 changed files with 40 additions and 94 deletions

View File

@@ -84,6 +84,7 @@ midi_playlist.cc
midi_port.cc
midi_region.cc
midi_source.cc
midi_stretch.cc
midi_track.cc
mix.cc
mtc_slave.cc

View File

@@ -22,10 +22,6 @@
#include <ardour/filter.h>
namespace ARDOUR {
class AudioRegion;
}
#ifdef USE_RUBBERBAND
#include <ardour/rb_effect.h>

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@@ -380,6 +380,8 @@ namespace ARDOUR {
};
struct TimeFXRequest : public InterThreadInfo {
TimeFXRequest() : time_fraction(0), pitch_fraction(0),
quick_seek(false), antialias(false), opts(0) {}
float time_fraction;
float pitch_fraction;
/* SoundTouch */

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@@ -82,89 +82,4 @@ Quantize::run (boost::shared_ptr<Region> r)
model->set_edited(true);
return 0;
#if 0
SourceList nsrcs;
SourceList::iterator si;
nframes_t blocksize = 256 * 1024;
Sample* buf = 0;
nframes_t fpos;
nframes_t fstart;
nframes_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)) {
goto out;
}
fstart = region->start();
if (blocksize > region->length()) {
blocksize = region->length();
}
fpos = max (fstart, (fstart + region->length() - blocksize));
buf = new Sample[blocksize];
to_read = blocksize;
/* now read it backwards */
while (to_read) {
uint32_t n;
for (n = 0, si = nsrcs.begin(); n < region->n_channels(); ++n, ++si) {
/* read it in */
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) {
swap (buf[i],buf[to_read-1-i]);
}
/* write it out */
boost::shared_ptr<AudioSource> asrc(boost::dynamic_pointer_cast<AudioSource>(*si));
if (asrc && asrc->write (buf, to_read) != to_read) {
goto out;
}
}
if (fpos > fstart + blocksize) {
fpos -= to_read;
to_read = blocksize;
} else {
to_read = fpos - fstart;
fpos = fstart;
}
};
ret = finish (region, nsrcs);
out:
if (buf) {
delete [] buf;
}
if (ret) {
for (si = nsrcs.begin(); si != nsrcs.end(); ++si) {
boost::shared_ptr<AudioSource> asrc(boost::dynamic_pointer_cast<AudioSource>(*si));
asrc->mark_for_remove ();
}
}
return ret;
#endif
}