/*
- Copyright (C) 20002 Paul Davis
+ Copyright (C) 2002 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <list>
#include <cerrno>
-#include <ardour/ardour.h>
-#include <ardour/session.h>
-#include <ardour/tempo.h>
-#include <ardour/io.h>
-#include <ardour/buffer_set.h>
+#include "ardour/amp.h"
+#include "ardour/audio_buffer.h"
+#include "ardour/buffer_set.h"
+#include "ardour/click.h"
+#include "ardour/io.h"
+#include "ardour/session.h"
+#include "ardour/tempo.h"
+#include "ardour/types.h"
#include <sndfile.h>
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
-Pool Session::Click::pool ("click", sizeof (Click), 128);
+Pool Click::pool ("click", sizeof (Click), 1024);
void
-Session::click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset)
+Session::click (framepos_t start, framecnt_t nframes)
{
- TempoMap::BBTPointList *points;
+ vector<TempoMap::BBTPoint> points;
Sample *buf;
+ framecnt_t click_distance;
if (_click_io == 0) {
return;
}
- Glib::RWLock::WriterLock clickm (click_lock, Glib::TRY_LOCK);
-
- if (!clickm.locked() || _transport_speed != 1.0 || !_clicking || click_data == 0) {
- _click_io->silence (nframes, offset);
+ Glib::Threads::RWLock::WriterLock clickm (click_lock, Glib::Threads::TRY_LOCK);
+
+ /* how far have we moved since the last time the clicks got cleared
+ */
+
+ click_distance = start - _clicks_cleared;
+
+ if (!clickm.locked() || !_clicking || click_data == 0 || ((click_distance + nframes) < _worst_track_latency)) {
+ _click_io->silence (nframes);
return;
- }
+ }
- const jack_nframes_t end = start + (jack_nframes_t)floor(nframes * _transport_speed);
+ start -= _worst_track_latency;
+ /* start could be negative at this point */
+ const framepos_t end = start + nframes;
+ /* correct start, potentially */
+ start = max (start, (framepos_t) 0);
BufferSet& bufs = get_scratch_buffers(ChanCount(DataType::AUDIO, 1));
- buf = bufs.get_audio(0).data(nframes);
- points = _tempo_map->get_points (start, end);
+ buf = bufs.get_audio(0).data();
- if (points == 0) {
- goto run_clicks;
- }
+ _tempo_map->get_grid (points, start, end);
- if (points->empty()) {
- delete points;
+ if (distance (points.begin(), points.end()) == 0) {
goto run_clicks;
}
- for (TempoMap::BBTPointList::iterator i = points->begin(); i != points->end(); ++i) {
- switch ((*i).type) {
- case TempoMap::Beat:
- if (click_emphasis_data == 0 || (click_emphasis_data && (*i).beat != 1)) {
+ for (vector<TempoMap::BBTPoint>::iterator i = points.begin(); i != points.end(); ++i) {
+ switch ((*i).beat) {
+ case 1:
+ if (click_emphasis_data && Config->get_use_click_emphasis () == true) {
+ clicks.push_back (new Click ((*i).frame, click_emphasis_length, click_emphasis_data));
+ } else if (click_data && Config->get_use_click_emphasis () == false) {
clicks.push_back (new Click ((*i).frame, click_length, click_data));
}
break;
- case TempoMap::Bar:
- if (click_emphasis_data) {
- clicks.push_back (new Click ((*i).frame, click_emphasis_length, click_emphasis_data));
- }
+ default:
+ if (click_emphasis_data == 0 || (Config->get_use_click_emphasis () == false) || (click_emphasis_data && (*i).beat != 1)) {
+ clicks.push_back (new Click ((*i).frame, click_length, click_data));
+ }
break;
}
}
for (list<Click*>::iterator i = clicks.begin(); i != clicks.end(); ) {
- jack_nframes_t copy;
- jack_nframes_t internal_offset;
+ framecnt_t copy;
+ framecnt_t internal_offset;
Click *clk;
- list<Click*>::iterator next;
clk = *i;
- next = i;
- ++next;
-
+
if (clk->start < start) {
internal_offset = 0;
} else {
}
if (nframes < internal_offset) {
- /* we've just located or something..
+ /* we've just located or something..
effectively going backwards.
lets get the flock out of here */
break;
if (clk->offset >= clk->duration) {
delete clk;
- clicks.erase (i);
+ i = clicks.erase (i);
+ } else {
+ ++i;
}
-
-
- i = next;
}
-
- _click_io->deliver_output (bufs, start, end, nframes, offset);
+
+ _click_gain->run (bufs, 0, 0, 1.0, nframes, false);
+ _click_io->copy_to_outputs (bufs, DataType::AUDIO, nframes, 0);
}
void
-Session::setup_click_sounds (int which)
+Session::setup_click_sounds (Sample** data, Sample const * default_data, framecnt_t* length, framecnt_t default_length, string const & path)
{
- SNDFILE *sndfile;
- SF_INFO info;
+ if (*data != default_data) {
+ delete[] *data;
+ *data = 0;
+ }
- clear_clicks();
+ if (path.empty ()) {
- if ((which == 0 || which == 1)) {
-
- if (click_data && click_data != default_click) {
- delete [] click_data;
- click_data = 0;
- }
+ *data = const_cast<Sample*> (default_data);
+ *length = default_length;
- if (click_sound.length() == 0) {
+ } else {
- click_data = const_cast<Sample*> (default_click);
- click_length = default_click_length;
+ SF_INFO info;
+ SNDFILE* sndfile;
- } else {
+ info.format = 0;
+ if ((sndfile = sf_open (path.c_str(), SFM_READ, &info)) == 0) {
+ char errbuf[256];
+ sf_error_str (0, errbuf, sizeof (errbuf) - 1);
+ warning << string_compose (_("cannot open click soundfile %1 (%2)"), path, errbuf) << endmsg;
+ _clicking = false;
+ return;
+ }
- if ((sndfile = sf_open (click_sound.c_str(), SFM_READ, &info)) == 0) {
- char errbuf[256];
- sf_error_str (0, errbuf, sizeof (errbuf) - 1);
- warning << string_compose (_("cannot open click soundfile %1 (%2)"), click_sound, errbuf) << endmsg;
- _clicking = false;
- return;
- }
-
- click_data = new Sample[info.frames];
- click_length = info.frames;
-
- if (sf_read_float (sndfile, click_data, info.frames) != info.frames) {
- warning << _("cannot read data from click soundfile") << endmsg;
- delete click_data;
- click_data = 0;
- _clicking = false;
- }
-
- sf_close (sndfile);
+ /* read the (possibly multi-channel) click data into a temporary buffer */
- }
- }
-
- if ((which == 0 || which == -1)) {
+ sf_count_t const samples = info.frames * info.channels;
- if (click_emphasis_data && click_emphasis_data != default_click_emphasis) {
- delete [] click_emphasis_data;
- click_emphasis_data = 0;
- }
+ Sample* tmp = new Sample[samples];
+
+ if (sf_readf_float (sndfile, tmp, info.frames) != info.frames) {
+
+ warning << _("cannot read data from click soundfile") << endmsg;
+ *data = 0;
+ _clicking = false;
- if (click_emphasis_sound.length() == 0) {
- click_emphasis_data = const_cast<Sample*> (default_click_emphasis);
- click_emphasis_length = default_click_emphasis_length;
} else {
- if ((sndfile = sf_open (click_emphasis_sound.c_str(), SFM_READ, &info)) == 0) {
- char errbuf[256];
- sf_error_str (0, errbuf, sizeof (errbuf) - 1);
- warning << string_compose (_("cannot open click emphasis soundfile %1 (%2)"), click_emphasis_sound, errbuf) << endmsg;
- return;
- }
-
- click_emphasis_data = new Sample[info.frames];
- click_emphasis_length = info.frames;
-
- if (sf_read_float (sndfile, click_emphasis_data, info.frames) != info.frames) {
- warning << _("cannot read data from click emphasis soundfile") << endmsg;
- delete click_emphasis_data;
- click_emphasis_data = 0;
+
+ *data = new Sample[info.frames];
+ *length = info.frames;
+
+ /* mix down to mono */
+
+ for (int i = 0; i < info.frames; ++i) {
+ (*data)[i] = 0;
+ for (int j = 0; j < info.channels; ++j) {
+ (*data)[i] = tmp[i * info.channels + j];
+ }
+ (*data)[i] /= info.channels;
}
-
- sf_close (sndfile);
}
- }
-}
-
-void
-Session::clear_clicks ()
-{
- Glib::RWLock::WriterLock lm (click_lock);
- for (Clicks::iterator i = clicks.begin(); i != clicks.end(); ++i) {
- delete *i;
+ delete[] tmp;
+ sf_close (sndfile);
}
-
- clicks.clear ();
}
void
-Session::set_click_sound (string path)
+Session::setup_click_sounds (int which)
{
- if (path != click_sound) {
- click_sound = path;
- setup_click_sounds (1);
+ clear_clicks ();
+
+ if (which == 0 || which == 1) {
+ setup_click_sounds (
+ &click_data,
+ default_click,
+ &click_length,
+ default_click_length,
+ Config->get_click_sound ()
+ );
}
-}
-void
-Session::set_click_emphasis_sound (string path)
-{
- if (path != click_emphasis_sound) {
- click_emphasis_sound = path;
- setup_click_sounds (-1);
+ if (which == 0 || which == -1) {
+ setup_click_sounds (
+ &click_emphasis_data,
+ default_click_emphasis,
+ &click_emphasis_length,
+ default_click_emphasis_length,
+ Config->get_click_emphasis_sound ()
+ );
}
}
void
-Session::set_clicking (bool yn)
+Session::clear_clicks ()
{
- if (click_requested != yn) {
- click_requested = yn;
-
- if (yn) {
- if (_click_io && click_data) {
- _clicking = true;
- }
- } else {
- _clicking = false;
- }
+ Glib::Threads::RWLock::WriterLock lm (click_lock);
- ControlChanged (Clicking); /* EMIT SIGNAL */
+ for (Clicks::iterator i = clicks.begin(); i != clicks.end(); ++i) {
+ delete *i;
}
-}
-bool
-Session::get_clicking () const
-{
- return click_requested;
+ clicks.clear ();
+ _clicks_cleared = _transport_frame;
}
-
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