#include <sigc++/bind.h>
-#include <ardour/types.h>
-#include <ardour/configuration.h>
-#include <ardour/audioplaylist.h>
-#include <ardour/audioregion.h>
-#include <ardour/crossfade.h>
-#include <ardour/crossfade_compare.h>
-#include <ardour/session.h>
-#include <pbd/enumwriter.h>
+#include "ardour/types.h"
+#include "ardour/configuration.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/audioregion.h"
+#include "ardour/crossfade.h"
+#include "ardour/crossfade_compare.h"
+#include "ardour/session.h"
+#include "pbd/enumwriter.h"
#include "i18n.h"
AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nframes_t start,
nframes_t cnt, unsigned chan_n)
{
+ nframes_t ret = cnt;
nframes_t end;
+ nframes_t read_frames;
+ nframes_t skip_frames;
/* optimizing this memset() away involves a lot of conditionals
that may well cause more of a hit due to cache misses
its OK to block (for short intervals).
*/
- Glib::Mutex::Lock rm (region_lock);
+ Glib::RecMutex::Lock rm (region_lock);
end = start + cnt - 1;
+ read_frames = 0;
+ skip_frames = 0;
+ _read_data_count = 0;
_read_data_count = 0;
+ RegionList* rlist = regions_to_read (start, start+cnt);
+
+ if (rlist->empty()) {
+ delete rlist;
+ return cnt;
+ }
+
map<uint32_t,vector<boost::shared_ptr<Region> > > relevant_regions;
map<uint32_t,vector<boost::shared_ptr<Crossfade> > > relevant_xfades;
vector<uint32_t> relevant_layers;
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ for (RegionList::iterator i = rlist->begin(); i != rlist->end(); ++i) {
if ((*i)->coverage (start, end) != OverlapNone) {
relevant_regions[(*i)->layer()].push_back (*i);
relevant_layers.push_back ((*i)->layer());
for (vector<boost::shared_ptr<Region> >::iterator i = r.begin(); i != r.end(); ++i) {
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(*i);
assert(ar);
- ar->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n);
+ ar->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n, read_frames, skip_frames);
_read_data_count += ar->read_data_count();
}
}
}
- return cnt;
+ delete rlist;
+ return ret;
}
if ((*x)->involves (ar)) {
- if (find (updated.begin(), updated.end(), *x) == updated.end()) {
- try {
- if ((*x)->refresh ()) {
- updated.insert (*x);
- }
+ pair<set<boost::shared_ptr<Crossfade> >::iterator, bool> const u = updated.insert (*x);
+
+ if (u.second) {
+ /* x was successfully inserted into the set, so it has not already been updated */
+ try {
+ (*x)->refresh ();
}
catch (Crossfade::NoCrossfadeHere& err) {
boost::shared_ptr<AudioRegion> top;
boost::shared_ptr<AudioRegion> bottom;
boost::shared_ptr<Crossfade> xfade;
+ RegionList* touched_regions;
if (in_set_state || in_partition) {
return;
}
- if (!Config->get_auto_xfade()) {
+ if (!_session.config.get_auto_xfade()) {
return;
}
break;
case OverlapExternal:
-
+
/* [ -------- top ------- ]
* {=========== bottom =============}
*/
*/
xfade_length = min ((nframes_t) 720, top->length());
-
- xfade = boost::shared_ptr<Crossfade> (new Crossfade (top, bottom, xfade_length, top->first_frame(), StartOfIn));
- add_crossfade (xfade);
+
+ if (top_region_at (top->first_frame()) == top) {
+
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (top, bottom, xfade_length, top->first_frame(), StartOfIn));
+ add_crossfade (xfade);
+ }
if (top_region_at (top->last_frame() - 1) == top) {
+
/*
only add a fade out if there is no region on top of the end of 'top' (which
would cover it).
add_crossfade (xfade);
}
break;
-
+ case OverlapStart:
+
+ /* { ==== top ============ }
+ * [---- bottom -------------------]
+ */
+
+ if (_session.config.get_xfade_model() == FullCrossfade) {
+ touched_regions = regions_touched (top->first_frame(), bottom->last_frame());
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+ } else {
+
+ touched_regions = regions_touched (top->first_frame(),
+ top->first_frame() + min ((nframes_t)_session.config.get_short_xfade_seconds() * _session.frame_rate(),
+ top->length()));
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+ }
+ break;
+ case OverlapEnd:
+
+
+ /* [---- top ------------------------]
+ * { ==== bottom ============ }
+ */
+
+ if (_session.config.get_xfade_model() == FullCrossfade) {
+
+ touched_regions = regions_touched (bottom->first_frame(), top->last_frame());
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other,
+ _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+
+ } else {
+ touched_regions = regions_touched (bottom->first_frame(),
+ bottom->first_frame() + min ((nframes_t)_session.config.get_short_xfade_seconds() * _session.frame_rate(),
+ bottom->length()));
+ if (touched_regions->size() <= 2) {
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, _session.config.get_xfade_model(), _session.config.get_xfades_active()));
+ add_crossfade (xfade);
+ }
+ }
+ break;
default:
- xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other, Config->get_xfade_model(), Config->get_xfades_active()));
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (region, other,
+ _session.config.get_xfade_model(), _session.config.get_xfades_active()));
add_crossfade (xfade);
}
}
if (g_atomic_int_get(&block_notifications)) {
_pending_xfade_adds.insert (_pending_xfade_adds.end(), x);
} else {
+
NewCrossfade (x); /* EMIT SIGNAL */
}
}
return false;
}
- {
+ {
RegionLock rlock (this);
for (RegionList::iterator i = regions.begin(); i != regions.end(); ) {
}
void
-AudioPlaylist::crossfade_changed (Change ignored)
+AudioPlaylist::crossfade_changed (Change)
{
if (in_flush || in_set_state) {
return;
}
}
+void
+AudioPlaylist::foreach_crossfade (sigc::slot<void, boost::shared_ptr<Crossfade> > s)
+{
+ RegionLock rl (this, false);
+ for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ s (*i);
+ }
+}