: SequenceProperty<std::list<boost::shared_ptr<Crossfade> > > (Properties::crossfades.property_id, boost::bind (&AudioPlaylist::update, &pl, _1))
, _playlist (pl)
{
-
+
}
CrossfadeListProperty::CrossfadeListProperty (CrossfadeListProperty const & p)
add_property (_crossfades);
in_set_state++;
- set_state (node, Stateful::loading_state_version);
+ if (set_state (node, Stateful::loading_state_version)) {
+ throw failed_constructor();
+ }
in_set_state--;
}
, _crossfades (*this)
{
add_property (_crossfades);
-
+
RegionList::const_iterator in_o = other->regions.begin();
RegionList::iterator in_n = regions.begin();
{
RegionLock rlock2 (const_cast<AudioPlaylist*> (other.get()));
in_set_state++;
-
+
add_property (_crossfades);
framepos_t const end = start + cnt - 1;
framecnt_t fade_in = 64;
framecnt_t fade_out = 64;
- framepos_t position;
- framecnt_t len;
- frameoffset_t offset;
switch (region->coverage (start, end)) {
case OverlapNone:
}
case OverlapStart: {
- position = region->position() - start;
- len = end - region->position();
-
if (end > region->position() + region->fade_in()->back()->when)
fade_in = region->fade_in()->back()->when; //end is after fade-in, preserve the fade-in
if (end > region->last_frame() - region->fade_out()->back()->when)
fade_out = region->fade_out()->back()->when - ( region->last_frame() - end ); //end is inside the fadeout, preserve the fades endpoint
break;
}
-
- case OverlapEnd: {
- position = 0;
- offset = start - region->position();
- len = region->length() - offset;
+ case OverlapEnd: {
if (start < region->last_frame() - region->fade_out()->back()->when) //start is before fade-out, preserve the fadeout
fade_out = region->fade_out()->back()->when;
-
+
if (start < region->position() + region->fade_in()->back()->when)
fade_in = region->fade_in()->back()->when - (start - region->position()); //end is inside the fade-in, preserve the fade-in endpoint
break;
}
-
+
case OverlapExternal:
fade_in = region->fade_in()->back()->when;
fade_out = region->fade_out()->back()->when;
{
framecnt_t ret = cnt;
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("Playlist %1 read @ %2 for %3, channel %4, regions %5 xfades %6\n",
+ name(), start, cnt, chan_n, regions.size(), _crossfades.size()));
+
/* optimizing this memset() away involves a lot of conditionals
that may well cause more of a hit due to cache misses
and related stuff than just doing this here.
Glib::RecMutex::Lock rm (region_lock);
framepos_t const end = start + cnt - 1;
- framecnt_t read_frames = 0;
- framecnt_t skip_frames = 0;
- _read_data_count = 0;
-
- _read_data_count = 0;
RegionList* rlist = regions_to_read (start, start+cnt);
}
}
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("Checking %1 xfades\n", _crossfades.size()));
+
for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("%1 check xfade between %2 and %3 ... [ %4 ... %5 | %6 ... %7]\n",
+ name(), (*i)->out()->name(), (*i)->in()->name(),
+ (*i)->first_frame(), (*i)->last_frame(),
+ start, end));
if ((*i)->coverage (start, end) != OverlapNone) {
relevant_xfades[(*i)->upper_layer()].push_back (*i);
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("\t\txfade is relevant (coverage = %2), place on layer %1\n",
+ (*i)->upper_layer(), enum_2_string ((*i)->coverage (start, end))));
}
}
for (vector<uint32_t>::iterator l = relevant_layers.begin(); l != relevant_layers.end(); ++l) {
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("read for layer %1\n", *l));
+
vector<boost::shared_ptr<Region> > r (relevant_regions[*l]);
vector<boost::shared_ptr<Crossfade> >& x (relevant_xfades[*l]);
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(*i);
DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("read from region %1\n", ar->name()));
assert(ar);
- ar->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n, read_frames, skip_frames);
- _read_data_count += ar->read_data_count();
+ ar->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n);
}
for (vector<boost::shared_ptr<Crossfade> >::iterator i = x.begin(); i != x.end(); ++i) {
+ DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("read from xfade between %1 & %2\n", (*i)->out()->name(), (*i)->in()->name()));
(*i)->read_at (buf, mixdown_buffer, gain_buffer, start, cnt, chan_n);
-
- /* don't JACK up _read_data_count, since its the same data as we just
- read from the regions, and the OS should handle that for us.
- */
}
}
if (top_region_at (top->first_frame()) == top) {
- xfade = boost::shared_ptr<Crossfade> (new Crossfade (top, bottom, xfade_length, top->first_frame(), StartOfIn));
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (top, bottom, xfade_length, StartOfIn));
+ xfade->set_position (top->first_frame());
add_crossfade (xfade);
}
would cover it).
*/
- xfade = boost::shared_ptr<Crossfade> (new Crossfade (bottom, top, xfade_length, top->last_frame() - xfade_length, EndOfOut));
+ xfade = boost::shared_ptr<Crossfade> (new Crossfade (bottom, top, xfade_length, EndOfOut));
+ xfade->set_position (top->last_frame() - xfade_length);
add_crossfade (xfade);
}
break;
in_set_state++;
- Playlist::set_state (node, version);
+ if (Playlist::set_state (node, version)) {
+ return -1;
+ }
freeze ();
};
void
-AudioPlaylist::copy_dependents (const vector<TwoRegions>& old_and_new, boost::shared_ptr<Playlist> other)
+AudioPlaylist::copy_dependents (const vector<TwoRegions>& old_and_new, Playlist* other) const
{
- boost::shared_ptr<AudioPlaylist> other_audio = boost::dynamic_pointer_cast<AudioPlaylist>(other);
+ AudioPlaylist* other_audio = dynamic_cast<AudioPlaylist*>(other);
if (!other_audio) {
return;
for (vector<TwoRegions>::const_iterator on = old_and_new.begin(); on != old_and_new.end(); ++on) {
- for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
+ for (Crossfades::const_iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) {
if ((*i)->in() == on->first) {
-
+
CrossfadeInfo::iterator cf;
if ((cf = crossfade_info.find (*i)) != crossfade_info.end()) {
- /* already have a record for the old fade-in region,
+ /* already have a record for the old fade-in region,
so note the new fade-in region
*/
-
+
cf->second.new_in = on->second;
-
+
} else {
-
+
/* add a record of this crossfade, keeping an association
with the new fade-in region
*/
-
+
crossfade_triple ct;
-
+
ct.old_in = on->first;
ct.new_in = on->second;
}
} else if ((*i)->out() == on->first) {
-
+
/* this old region is the fade-out region of this crossfade */
-
+
CrossfadeInfo::iterator cf;
-
+
if ((cf = crossfade_info.find (*i)) != crossfade_info.end()) {
-
+
/* already have a record for this crossfade, so just keep
an association for the new fade out region
*/
-
+
cf->second.new_out = on->second;
} else {
-
+
/* add a record of this crossfade, keeping an association
with the new fade-in region
*/
}
for (CrossfadeInfo::iterator ci = crossfade_info.begin(); ci != crossfade_info.end(); ++ci) {
-
+
/* for each crossfade that involves at least two of the old regions,
create a new identical crossfade with the new regions
*/
-
+
if (!ci->second.new_in || !ci->second.new_out) {
continue;
}
- boost::shared_ptr<Crossfade> new_xfade (new Crossfade (ci->first,
+ boost::shared_ptr<Crossfade> new_xfade (new Crossfade (ci->first,
boost::dynamic_pointer_cast<AudioRegion>(ci->second.new_in),
boost::dynamic_pointer_cast<AudioRegion>(ci->second.new_out)));
-
+
/* add it at the right position - which must be at the start
* of the fade-in region
*/
- new_xfade->set_position (ci->second.new_in->position(), this);
+ new_xfade->set_position (ci->second.new_in->position());
other_audio->add_crossfade (new_xfade);
}
}
ar->set_scale_amplitude (ar->scale_amplitude() * cr->scale_amplitude());
if (i == originals.begin()) {
-
+
/* copy the compound region's fade in back into the first
original region.
*/
-
+
if (cr->fade_in()->back()->when <= ar->length()) {
/* don't do this if the fade is longer than the
* region
ar->set_fade_in (cr->fade_in());
}
-
+
} else if (*i == originals.back()) {
/* copy the compound region's fade out back into the last
original region.
*/
-
+
if (cr->fade_out()->back()->when <= ar->length()) {
/* don't do this if the fade is longer than the
* region