ardour/livetrax
13
0
Fork 0
Code

attempt to write and use audio data to disk for audio clip recording

Browse Source
This commit is contained in:
Paul Davis 2024-09-26 17:53:52 -06:00
parent 0959696070
commit d7c424c440
2 changed files with 52 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libs/ardour/ardour/triggerbox.h
View File

@ -549,6 +549,8 @@ class LIBARDOUR_API AudioTrigger : public Trigger {
uint32_t channels () const { return data.size(); }
RubberBand::RubberBandStretcher* alloc_stretcher () const;
Sample const * audio_data (size_t n) const;
size_t data_length() const { return data.length; }
protected:
void retrigger ();

55
libs/ardour/triggerbox.cc
View File

@ -1301,6 +1301,16 @@ AudioTrigger::~AudioTrigger ()
delete _stretcher;
}
Sample const *
AudioTrigger::audio_data (size_t n) const
{
if (n < data.size()) {
return data[n];
}
return nullptr;
}
void
AudioTrigger::set_stretch_mode (Trigger::StretchMode sm)
{
@ -1586,7 +1596,6 @@ AudioTrigger::set_region_in_worker_thread_from_capture (std::shared_ptr<Region>
return set_region_in_worker_thread_internal (r, true);
}
int
AudioTrigger::set_region_in_worker_thread (std::shared_ptr<Region> r)
{
@ -1617,6 +1626,10 @@ AudioTrigger::set_region_in_worker_thread_internal (std::shared_ptr<Region> r, b
load_data (ar);
}
if (from_capture) {
set_name (r->name());
}
estimate_tempo (); /* NOTE: if this is an existing clip (D+D copy) then it will likely have a SD tempo, and that short-circuits minibpm for us */
/* given an initial tempo guess, we need to set our operating tempo and beat_cnt value.
@ -2916,9 +2929,6 @@ MIDITrigger::set_region_in_worker_thread (std::shared_ptr<Region> r)
data_length = loop_end - loop_start;
std::cerr << "Have a MIDI loop that is " << data_length << " long\n";
_follow_length = Temporal::BBT_Offset (0, data_length.get_beats(), 0);
set_length (timecnt_t (data_length));
@ -5555,7 +5565,7 @@ TriggerBoxThread::build_source (Trigger* t)
if (mt) {
build_midi_source (mt);
} else if ((mt = dynamic_cast<MIDITrigger*> (t))) {
} else if ((at = dynamic_cast<AudioTrigger*> (t))) {
build_audio_source (at);
}
}
@ -5570,6 +5580,41 @@ TriggerBoxThread::build_audio_source (AudioTrigger* t)
std::shared_ptr<AudioSource> as = t->box().session().create_audio_source_for_session (t->channels(), trk->name(), c);
sources.push_back (as);
}
size_t n = 0;
for (auto & src : sources) {
Source::WriterLock lock (src->mutex());
src->mark_streaming_write_started (lock);
std::dynamic_pointer_cast<AudioSource>(src)->write (t->audio_data (n), t->data_length());
src->mark_streaming_write_completed (lock);
++n;
}
/* now build region */
PropertyList plist;
std::shared_ptr<FileSource> fs (std::dynamic_pointer_cast<FileSource> (sources.front()));
assert (fs);
std::string region_name = region_name_from_path (fs->path(), false, false);
plist.add (ARDOUR::Properties::start, timecnt_t (Temporal::BeatTime));
plist.add (ARDOUR::Properties::length, sources.front()->length ());
plist.add (ARDOUR::Properties::name, region_name);
plist.add (ARDOUR::Properties::layer, 0);
plist.add (ARDOUR::Properties::whole_file, true);
plist.add (ARDOUR::Properties::external, false);
plist.add (ARDOUR::Properties::opaque, true);
std::shared_ptr<Region> whole = RegionFactory::create (sources, plist);
std::cerr << "Created WF region " << whole->name() << std::endl;
/* ... and insert a discrete copy into the playlist*/
PropertyList plist2;
plist2.add (ARDOUR::Properties::whole_file, false);
std::shared_ptr<Region> copy (RegionFactory::create (whole, plist2));
std::cerr << "Created copy region " << whole->name() << std::endl;
t->set_region_in_worker_thread_from_capture (copy);
}
void