#include <list>
#include <cerrno>
-#include "ardour/ardour.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/io.h"
-#include "ardour/buffer_set.h"
-#include "ardour/audio_buffer.h"
+#include "ardour/types.h"
#include <sndfile.h>
using namespace ARDOUR;
using namespace PBD;
-Pool Click::pool ("click", sizeof (Click), 128);
+Pool Click::pool ("click", sizeof (Click), 1024);
void
Session::click (framepos_t start, framecnt_t nframes)
{
- TempoMap::BBTPointList *points;
+ TempoMap::BBTPointList::const_iterator points_begin;
+ TempoMap::BBTPointList::const_iterator points_end;
Sample *buf;
+ framecnt_t click_distance;
if (_click_io == 0) {
return;
}
- Glib::RWLock::WriterLock clickm (click_lock, Glib::TRY_LOCK);
+ 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() || _transport_speed != 1.0 || !_clicking || click_data == 0) {
+ if (!clickm.locked() || _transport_speed != 1.0 || !_clicking || click_data == 0 || ((click_distance + nframes) < _worst_track_latency)) {
_click_io->silence (nframes);
return;
}
+ 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();
- points = _tempo_map->get_points (start, end);
- if (points == 0) {
- goto run_clicks;
- }
+ _tempo_map->get_grid (points_begin, points_end, 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)) {
- clicks.push_back (new Click ((*i).frame, click_length, click_data));
+ for (TempoMap::BBTPointList::const_iterator i = points_begin; i != points_end; ++i) {
+ switch ((*i).beat) {
+ case 1:
+ if (click_emphasis_data) {
+ clicks.push_back (new Click ((*i).frame, click_emphasis_length, click_emphasis_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 || (click_emphasis_data && (*i).beat != 1)) {
+ clicks.push_back (new Click ((*i).frame, click_length, click_data));
}
break;
}
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;
}
copy = min (clk->duration - clk->offset, nframes - internal_offset);
-
+
memcpy (buf + internal_offset, &clk->data[clk->offset], copy * sizeof (Sample));
-
+
clk->offset += copy;
if (clk->offset >= clk->duration) {
delete clk;
- clicks.erase (i);
+ i = clicks.erase (i);
+ } else {
+ ++i;
}
-
-
- i = next;
}
+ _click_gain->run (bufs, 0, 0, nframes, false);
_click_io->copy_to_outputs (bufs, DataType::AUDIO, nframes, 0);
}
SF_INFO info;
SNDFILE* sndfile;
-
+
info.format = 0;
if ((sndfile = sf_open (path.c_str(), SFM_READ, &info)) == 0) {
char errbuf[256];
}
/* read the (possibly multi-channel) click data into a temporary buffer */
-
+
sf_count_t const samples = info.frames * info.channels;
Sample* tmp = new Sample[samples];
warning << _("cannot read data from click soundfile") << endmsg;
*data = 0;
_clicking = false;
-
+
} else {
*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) {
void
Session::clear_clicks ()
{
- Glib::RWLock::WriterLock lm (click_lock);
+ Glib::Threads::RWLock::WriterLock lm (click_lock);
for (Clicks::iterator i = clicks.begin(); i != clicks.end(); ++i) {
delete *i;
}
clicks.clear ();
+ _clicks_cleared = _transport_frame;
}