X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudio_playlist.cc;h=b62aeb3ee7ddadb9bf6a5d0fe70a70303565a45d;hb=cfe9ae636e0ee61cafdff43b3bd6967d835ef629;hp=51b11a91456a1e355e3d14e4559bbb35b5dd590a;hpb=c268314b64c2235b0d69c3854e303accd2cad4d9;p=ardour.git diff --git a/libs/ardour/audio_playlist.cc b/libs/ardour/audio_playlist.cc index 51b11a9145..b62aeb3ee7 100644 --- a/libs/ardour/audio_playlist.cc +++ b/libs/ardour/audio_playlist.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2003 Paul Davis + Copyright (C) 2003 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 @@ -21,39 +21,113 @@ #include -#include - -#include -#include -#include -#include -#include -#include -#include +#include "ardour/types.h" +#include "ardour/debug.h" +#include "ardour/configuration.h" +#include "ardour/audioplaylist.h" +#include "ardour/audioregion.h" +#include "ardour/crossfade.h" +#include "ardour/region_sorters.h" +#include "ardour/session.h" +#include "pbd/enumwriter.h" #include "i18n.h" using namespace ARDOUR; -using namespace sigc; using namespace std; using namespace PBD; +namespace ARDOUR { + namespace Properties { + PBD::PropertyDescriptor crossfades; + } +} + +void +AudioPlaylist::make_property_quarks () +{ + Properties::crossfades.property_id = g_quark_from_static_string (X_("crossfades")); + DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for crossfades = %1\n", Properties::crossfades.property_id)); +} + +CrossfadeListProperty::CrossfadeListProperty (AudioPlaylist& pl) + : SequenceProperty > > (Properties::crossfades.property_id, boost::bind (&AudioPlaylist::update, &pl, _1)) + , _playlist (pl) +{ + +} + +CrossfadeListProperty::CrossfadeListProperty (CrossfadeListProperty const & p) + : PBD::SequenceProperty > > (p) + , _playlist (p._playlist) +{ + +} + + +CrossfadeListProperty * +CrossfadeListProperty::create () const +{ + return new CrossfadeListProperty (_playlist); +} + +CrossfadeListProperty * +CrossfadeListProperty::clone () const +{ + return new CrossfadeListProperty (*this); +} + +void +CrossfadeListProperty::get_content_as_xml (boost::shared_ptr xfade, XMLNode & node) const +{ + /* Crossfades are not written to any state when they are no + longer in use, so we must write their state here. + */ + + XMLNode& c = xfade->get_state (); + node.add_child_nocopy (c); +} + +boost::shared_ptr +CrossfadeListProperty::get_content_from_xml (XMLNode const & node) const +{ + XMLNodeList const c = node.children (); + assert (c.size() == 1); + return boost::shared_ptr (new Crossfade (_playlist, *c.front())); +} + + AudioPlaylist::AudioPlaylist (Session& session, const XMLNode& node, bool hidden) - : Playlist (session, node, hidden) + : Playlist (session, node, DataType::AUDIO, hidden) + , _crossfades (*this) { +#ifndef NDEBUG + const XMLProperty* prop = node.property("type"); + assert(!prop || DataType(prop->value()) == DataType::AUDIO); +#endif + + add_property (_crossfades); + in_set_state++; - set_state (node); + if (set_state (node, Stateful::loading_state_version)) { + throw failed_constructor(); + } in_set_state--; } AudioPlaylist::AudioPlaylist (Session& session, string name, bool hidden) - : Playlist (session, name, hidden) + : Playlist (session, name, DataType::AUDIO, hidden) + , _crossfades (*this) { + add_property (_crossfades); } AudioPlaylist::AudioPlaylist (boost::shared_ptr other, string name, bool hidden) : Playlist (other, name, hidden) + , _crossfades (*this) { + add_property (_crossfades); + RegionList::const_iterator in_o = other->regions.begin(); RegionList::iterator in_n = regions.begin(); @@ -69,17 +143,17 @@ AudioPlaylist::AudioPlaylist (boost::shared_ptr other, stri RegionList::const_iterator out_n = regions.begin(); while (out_o != other->regions.end()) { - + boost::shared_ptrar2 = boost::dynamic_pointer_cast(*out_o); - + if ((*xfades)->out() == ar2) { boost::shared_ptrin = boost::dynamic_pointer_cast(*in_n); boost::shared_ptrout = boost::dynamic_pointer_cast(*out_n); - boost::shared_ptr new_fade = boost::shared_ptr (new Crossfade (*(*xfades), in, out)); + boost::shared_ptr new_fade = boost::shared_ptr (new Crossfade (*xfades, in, out)); add_crossfade(new_fade); break; } - + out_o++; out_n++; } @@ -92,42 +166,108 @@ AudioPlaylist::AudioPlaylist (boost::shared_ptr other, stri } } -AudioPlaylist::AudioPlaylist (boost::shared_ptr other, nframes_t start, nframes_t cnt, string name, bool hidden) +AudioPlaylist::AudioPlaylist (boost::shared_ptr other, framepos_t start, framecnt_t cnt, string name, bool hidden) : Playlist (other, start, cnt, name, hidden) + , _crossfades (*this) { + RegionLock rlock2 (const_cast (other.get())); + in_set_state++; + + add_property (_crossfades); + + framepos_t const end = start + cnt - 1; + + /* Audio regions that have been created by the Playlist constructor + will currently have the same fade in/out as the regions that they + were created from. This is wrong, so reset the fades here. + */ + + RegionList::iterator ours = regions.begin (); + + for (RegionList::const_iterator i = other->regions.begin(); i != other->regions.end(); ++i) { + boost::shared_ptr region = boost::dynamic_pointer_cast (*i); + assert (region); + + framecnt_t fade_in = 64; + framecnt_t fade_out = 64; + + switch (region->coverage (start, end)) { + case OverlapNone: + continue; + + case OverlapInternal: + { + framecnt_t const offset = start - region->position (); + framecnt_t const trim = region->last_frame() - end; + if (region->fade_in()->back()->when > offset) { + fade_in = region->fade_in()->back()->when - offset; + } + if (region->fade_out()->back()->when > trim) { + fade_out = region->fade_out()->back()->when - trim; + } + break; + } + + case OverlapStart: { + 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: { + 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; + break; + } + + boost::shared_ptr our_region = boost::dynamic_pointer_cast (*ours); + assert (our_region); + + our_region->set_fade_in_length (fade_in); + our_region->set_fade_out_length (fade_out); + ++ours; + } + + in_set_state--; + /* this constructor does NOT notify others (session) */ } AudioPlaylist::~AudioPlaylist () { - GoingAway (); /* EMIT SIGNAL */ - - /* drop connections to signals */ - - notify_callbacks (); - _crossfades.clear (); } struct RegionSortByLayer { - bool operator() (boost::shared_ptra, boost::shared_ptrb) { + bool operator() (boost::shared_ptr a, boost::shared_ptr b) { return a->layer() < b->layer(); } }; -nframes_t -AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nframes_t start, - nframes_t cnt, unsigned chan_n) +ARDOUR::framecnt_t +AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, framepos_t start, + framecnt_t cnt, unsigned chan_n) { - nframes_t ret = cnt; - nframes_t end; - nframes_t read_frames; - nframes_t skip_frames; + 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 + that may well cause more of a hit due to cache misses and related stuff than just doing this here. - + it would be great if someone could measure this at some point. @@ -139,32 +279,43 @@ AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nf memset (buf, 0, sizeof (Sample) * cnt); - /* this function is never called from a realtime thread, so + /* this function is never called from a realtime thread, so its OK to block (for short intervals). */ - Glib::Mutex::Lock rm (region_lock); + Glib::RecMutex::Lock rm (region_lock); - end = start + cnt - 1; + framepos_t const end = start + cnt - 1; - read_frames = 0; - skip_frames = 0; - _read_data_count = 0; + RegionList* rlist = regions_to_read (start, start+cnt); + + if (rlist->empty()) { + delete rlist; + return cnt; + } map > > relevant_regions; map > > relevant_xfades; vector 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()); - } + } } + 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)))); } } @@ -181,25 +332,26 @@ AudioPlaylist::read (Sample *buf, Sample *mixdown_buffer, float *gain_buffer, nf for (vector::iterator l = relevant_layers.begin(); l != relevant_layers.end(); ++l) { + DEBUG_TRACE (DEBUG::AudioPlayback, string_compose ("read for layer %1\n", *l)); + vector > r (relevant_regions[*l]); vector >& x (relevant_xfades[*l]); + for (vector >::iterator i = r.begin(); i != r.end(); ++i) { boost::shared_ptr ar = boost::dynamic_pointer_cast(*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 >::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. - */ } } + delete rlist; return ret; } @@ -212,7 +364,7 @@ AudioPlaylist::remove_dependents (boost::shared_ptr region) if (in_set_state) { return; } - + if (r == 0) { fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist") << endmsg; @@ -220,7 +372,7 @@ AudioPlaylist::remove_dependents (boost::shared_ptr region) } for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ) { - + if ((*i)->involves (r)) { i = _crossfades.erase (i); } else { @@ -231,9 +383,9 @@ AudioPlaylist::remove_dependents (boost::shared_ptr region) void -AudioPlaylist::flush_notifications () +AudioPlaylist::flush_notifications (bool from_undo) { - Playlist::flush_notifications(); + Playlist::flush_notifications (from_undo); if (in_flush) { return; @@ -247,7 +399,7 @@ AudioPlaylist::flush_notifications () } _pending_xfade_adds.clear (); - + in_flush = false; } @@ -264,7 +416,7 @@ AudioPlaylist::refresh_dependents (boost::shared_ptr r) for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) { Crossfades::iterator tmp; - + tmp = x; ++tmp; @@ -272,11 +424,12 @@ AudioPlaylist::refresh_dependents (boost::shared_ptr r) if ((*x)->involves (ar)) { - if (find (updated.begin(), updated.end(), *x) == updated.end()) { - try { - if ((*x)->refresh ()) { - updated.insert (*x); - } + pair >::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) { @@ -302,25 +455,25 @@ AudioPlaylist::finalize_split_region (boost::shared_ptr o, boost::shared ++tmp; boost::shared_ptr fade; - + if ((*x)->_in == orig) { if (! (*x)->covers(right->position())) { - fade = boost::shared_ptr (new Crossfade (**x, left, (*x)->_out)); + fade = boost::shared_ptr (new Crossfade (*x, left, (*x)->_out)); } else { // Overlap, the crossfade is copied on the left side of the right region instead - fade = boost::shared_ptr (new Crossfade (**x, right, (*x)->_out)); + fade = boost::shared_ptr (new Crossfade (*x, right, (*x)->_out)); } } - + if ((*x)->_out == orig) { if (! (*x)->covers(right->position())) { - fade = boost::shared_ptr (new Crossfade (**x, (*x)->_in, right)); + fade = boost::shared_ptr (new Crossfade (*x, (*x)->_in, right)); } else { // Overlap, the crossfade is copied on the right side of the left region instead - fade = boost::shared_ptr (new Crossfade (**x, (*x)->_in, left)); + fade = boost::shared_ptr (new Crossfade (*x, (*x)->_in, left)); } } - + if (fade) { _crossfades.remove (*x); add_crossfade (fade); @@ -337,6 +490,7 @@ AudioPlaylist::check_dependents (boost::shared_ptr r, bool norefresh) boost::shared_ptr top; boost::shared_ptr bottom; boost::shared_ptr xfade; + RegionList* touched_regions = 0; if (in_set_state || in_partition) { return; @@ -353,14 +507,11 @@ AudioPlaylist::check_dependents (boost::shared_ptr r, bool norefresh) } - if (!Config->get_auto_xfade()) { + if (!_session.config.get_auto_xfade()) { return; } for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { - - nframes_t xfade_length; - other = boost::dynamic_pointer_cast (*i); if (other == region) { @@ -370,7 +521,11 @@ AudioPlaylist::check_dependents (boost::shared_ptr r, bool norefresh) if (other->muted() || region->muted()) { continue; } - + + if (other->position() == r->position() && other->length() == r->length()) { + /* precise overlay of two regions - no xfade */ + continue; + } if (other->layer() < region->layer()) { top = region; @@ -380,10 +535,17 @@ AudioPlaylist::check_dependents (boost::shared_ptr r, bool norefresh) bottom = region; } + if (!top->opaque()) { + continue; + } OverlapType c = top->coverage (bottom->position(), bottom->last_frame()); - + + delete touched_regions; + touched_regions = 0; + try { + framecnt_t xfade_length; switch (c) { case OverlapNone: break; @@ -399,32 +561,87 @@ AudioPlaylist::check_dependents (boost::shared_ptr r, bool norefresh) /* [ -------- top ------- ] * {=========== bottom =============} */ - + /* to avoid discontinuities at the region boundaries of an internal overlap (this region is completely within another), we create two hidden crossfades at each boundary. this is not dependent on the auto-xfade option, because we require it as basic audio engineering. */ - - xfade_length = min ((nframes_t) 720, top->length()); - - xfade = boost::shared_ptr (new Crossfade (top, bottom, xfade_length, top->first_frame(), StartOfIn)); - add_crossfade (xfade); - + + xfade_length = min ((framecnt_t) 720, top->length()); + + if (top_region_at (top->first_frame()) == top) { + + xfade = boost::shared_ptr (new Crossfade (top, bottom, xfade_length, StartOfIn)); + xfade->set_position (top->first_frame()); + 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 + + /* + only add a fade out if there is no region on top of the end of 'top' (which would cover it). */ - - xfade = boost::shared_ptr (new Crossfade (bottom, top, xfade_length, top->last_frame() - xfade_length, EndOfOut)); + + xfade = boost::shared_ptr (new Crossfade (bottom, top, xfade_length, EndOfOut)); + xfade->set_position (top->last_frame() - xfade_length); 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 (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 ((framecnt_t) _session.config.get_short_xfade_seconds() * _session.frame_rate(), + top->length())); + if (touched_regions->size() <= 2) { + xfade = boost::shared_ptr (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 (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 ((framecnt_t)_session.config.get_short_xfade_seconds() * _session.frame_rate(), + bottom->length())); + if (touched_regions->size() <= 2) { + xfade = boost::shared_ptr (new Crossfade (region, other, _session.config.get_xfade_model(), _session.config.get_xfades_active())); + add_crossfade (xfade); + } + } + break; default: - xfade = boost::shared_ptr (new Crossfade (region, other, Config->get_xfade_model(), Config->get_xfades_active())); + xfade = boost::shared_ptr (new Crossfade (region, other, + _session.config.get_xfade_model(), _session.config.get_xfades_active())); add_crossfade (xfade); } } @@ -432,12 +649,14 @@ AudioPlaylist::check_dependents (boost::shared_ptr r, bool norefresh) catch (failed_constructor& err) { continue; } - + catch (Crossfade::NoCrossfadeHere& err) { continue; } - + } + + delete touched_regions; } void @@ -450,19 +669,19 @@ AudioPlaylist::add_crossfade (boost::shared_ptr xfade) break; } } - + if (ci != _crossfades.end()) { // it will just go away } else { _crossfades.push_back (xfade); - xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated)); - xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed)); + xfade->Invalidated.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_invalidated, this, _1)); + xfade->PropertyChanged.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_changed, this, _1)); notify_crossfade_added (xfade); } } - + void AudioPlaylist::notify_crossfade_added (boost::shared_ptr x) { if (g_atomic_int_get(&block_notifications)) { @@ -473,9 +692,10 @@ void AudioPlaylist::notify_crossfade_added (boost::shared_ptr x) } void -AudioPlaylist::crossfade_invalidated (boost::shared_ptr xfade) +AudioPlaylist::crossfade_invalidated (boost::shared_ptr r) { Crossfades::iterator i; + boost::shared_ptr xfade = boost::dynamic_pointer_cast (r); xfade->in()->resume_fade_in (); xfade->out()->resume_fade_out (); @@ -486,16 +706,19 @@ AudioPlaylist::crossfade_invalidated (boost::shared_ptr xfade) } int -AudioPlaylist::set_state (const XMLNode& node) +AudioPlaylist::set_state (const XMLNode& node, int version) { XMLNode *child; XMLNodeList nlist; XMLNodeConstIterator niter; in_set_state++; - freeze (); - Playlist::set_state (node); + if (Playlist::set_state (node, version)) { + return -1; + } + + freeze (); nlist = node.children(); @@ -510,14 +733,14 @@ AudioPlaylist::set_state (const XMLNode& node) try { boost::shared_ptr xfade = boost::shared_ptr (new Crossfade (*((const Playlist *)this), *child)); _crossfades.push_back (xfade); - xfade->Invalidated.connect (mem_fun (*this, &AudioPlaylist::crossfade_invalidated)); - xfade->StateChanged.connect (mem_fun (*this, &AudioPlaylist::crossfade_changed)); + xfade->Invalidated.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_invalidated, this, _1)); + xfade->PropertyChanged.connect_same_thread (*this, boost::bind (&AudioPlaylist::crossfade_changed, this, _1)); NewCrossfade(xfade); } - + catch (failed_constructor& err) { // cout << string_compose (_("could not create crossfade object in playlist %1"), - // _name) + // _name) // << endl; continue; } @@ -546,7 +769,7 @@ AudioPlaylist::state (bool full_state) node.add_child_nocopy ((*i)->get_state()); } } - + return node; } @@ -563,9 +786,9 @@ AudioPlaylist::dump () const for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) { r = *i; - cerr << " " << r->name() << " @ " << r << " [" - << r->start() << "+" << r->length() - << "] at " + cerr << " " << r->name() << " @ " << r << " [" + << r->start() << "+" << r->length() + << "] at " << r->position() << " on layer " << r->layer () @@ -574,13 +797,13 @@ AudioPlaylist::dump () const for (Crossfades::const_iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) { x = *i; - cerr << " xfade [" + cerr << " xfade [" << x->out()->name() << ',' << x->in()->name() << " @ " << x->position() - << " length = " + << " length = " << x->length () << " active ? " << (x->active() ? "yes" : "no") @@ -592,30 +815,28 @@ bool AudioPlaylist::destroy_region (boost::shared_ptr region) { boost::shared_ptr r = boost::dynamic_pointer_cast (region); + + if (!r) { + return false; + } + bool changed = false; Crossfades::iterator c, ctmp; set > unique_xfades; - if (r == 0) { - fatal << _("programming error: non-audio Region passed to remove_overlap in audio playlist") - << endmsg; - /*NOTREACHED*/ - return false; - } - - { + { RegionLock rlock (this); for (RegionList::iterator i = regions.begin(); i != regions.end(); ) { - + RegionList::iterator tmp = i; ++tmp; - + if ((*i) == region) { regions.erase (i); changed = true; } - + i = tmp; } @@ -623,12 +844,12 @@ AudioPlaylist::destroy_region (boost::shared_ptr region) set >::iterator xtmp = x; ++xtmp; - + if ((*x) == region) { all_regions.erase (x); changed = true; } - + x = xtmp; } @@ -643,7 +864,7 @@ AudioPlaylist::destroy_region (boost::shared_ptr region) unique_xfades.insert (*c); _crossfades.erase (c); } - + c = ctmp; } @@ -656,7 +877,7 @@ AudioPlaylist::destroy_region (boost::shared_ptr region) } void -AudioPlaylist::crossfade_changed (Change ignored) +AudioPlaylist::crossfade_changed (const PropertyChange&) { if (in_flush || in_set_state) { return; @@ -668,48 +889,311 @@ AudioPlaylist::crossfade_changed (Change ignored) that occured. */ - notify_modified (); + notify_contents_changed (); } bool -AudioPlaylist::region_changed (Change what_changed, boost::shared_ptr region) +AudioPlaylist::region_changed (const PropertyChange& what_changed, boost::shared_ptr region) { if (in_flush || in_set_state) { return false; } - Change our_interests = Change (AudioRegion::FadeInChanged| - AudioRegion::FadeOutChanged| - AudioRegion::FadeInActiveChanged| - AudioRegion::FadeOutActiveChanged| - AudioRegion::EnvelopeActiveChanged| - AudioRegion::ScaleAmplitudeChanged| - AudioRegion::EnvelopeChanged); + PropertyChange our_interests; + + our_interests.add (Properties::fade_in_active); + our_interests.add (Properties::fade_out_active); + our_interests.add (Properties::scale_amplitude); + our_interests.add (Properties::envelope_active); + our_interests.add (Properties::envelope); + our_interests.add (Properties::fade_in); + our_interests.add (Properties::fade_out); + bool parent_wants_notify; parent_wants_notify = Playlist::region_changed (what_changed, region); - if ((parent_wants_notify || (what_changed & our_interests))) { - notify_modified (); + if (parent_wants_notify || (what_changed.contains (our_interests))) { + notify_contents_changed (); } - return true; + return true; } void -AudioPlaylist::crossfades_at (nframes_t frame, Crossfades& clist) +AudioPlaylist::crossfades_at (framepos_t frame, Crossfades& clist) { RegionLock rlock (this); for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) { - nframes_t start, end; - - start = (*i)->position(); - end = start + (*i)->overlap_length(); // not length(), important difference + framepos_t const start = (*i)->position (); + framepos_t const end = start + (*i)->overlap_length(); // not length(), important difference if (frame >= start && frame <= end) { clist.push_back (*i); - } + } } } +void +AudioPlaylist::foreach_crossfade (boost::function)> s) +{ + RegionLock rl (this, false); + for (Crossfades::iterator i = _crossfades.begin(); i != _crossfades.end(); ++i) { + s (*i); + } +} + +void +AudioPlaylist::update (const CrossfadeListProperty::ChangeRecord& change) +{ + for (CrossfadeListProperty::ChangeContainer::const_iterator i = change.added.begin(); i != change.added.end(); ++i) { + add_crossfade (*i); + } + + /* don't remove crossfades here; they will be dealt with by the dependency code */ +} + +boost::shared_ptr +AudioPlaylist::find_crossfade (const PBD::ID& id) const +{ + Crossfades::const_iterator i = _crossfades.begin (); + while (i != _crossfades.end() && (*i)->id() != id) { + ++i; + } + + if (i == _crossfades.end()) { + return boost::shared_ptr (); + } + + return *i; +} + +struct crossfade_triple { + boost::shared_ptr old_in; + boost::shared_ptr new_in; + boost::shared_ptr new_out; +}; + +void +AudioPlaylist::copy_dependents (const vector& old_and_new, Playlist* other) const +{ + AudioPlaylist* other_audio = dynamic_cast(other); + + if (!other_audio) { + return; + } + + /* our argument is a vector of old and new regions. Each old region + might be participant in a crossfade that is already present. Each new + region is a copy of the old region, present in the other playlist. + + our task is to find all the relevant xfades in our playlist (involving + the "old" regions) and place copies of them in the other playlist. + */ + + typedef map,crossfade_triple> CrossfadeInfo; + CrossfadeInfo crossfade_info; + + /* build up a record that links crossfades, old regions and new regions + */ + + for (vector::const_iterator on = old_and_new.begin(); on != old_and_new.end(); ++on) { + + 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, + 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; + + crossfade_info[*i] = ct; + } + + } 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 + */ + + crossfade_triple ct; + + ct.old_in = on->first; + ct.new_out = on->second; + + crossfade_info[*i] = ct; + } + } + } + } + + 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 new_xfade (new Crossfade (ci->first, + boost::dynamic_pointer_cast(ci->second.new_in), + boost::dynamic_pointer_cast(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()); + other_audio->add_crossfade (new_xfade); + } +} + +void +AudioPlaylist::pre_combine (vector >& copies) +{ + RegionSortByPosition cmp; + boost::shared_ptr ar; + + sort (copies.begin(), copies.end(), cmp); + + ar = boost::dynamic_pointer_cast (copies.front()); + + /* disable fade in of the first region */ + + if (ar) { + ar->set_fade_in_active (false); + } + + ar = boost::dynamic_pointer_cast (copies.back()); + + /* disable fade out of the last region */ + + if (ar) { + ar->set_fade_out_active (false); + } +} + +void +AudioPlaylist::post_combine (vector >& originals, boost::shared_ptr compound_region) +{ + RegionSortByPosition cmp; + boost::shared_ptr ar; + boost::shared_ptr cr; + + if ((cr = boost::dynamic_pointer_cast (compound_region)) == 0) { + return; + } + + sort (originals.begin(), originals.end(), cmp); + + ar = boost::dynamic_pointer_cast (originals.front()); + + /* copy the fade in of the first into the compound region */ + + if (ar) { + cr->set_fade_in (ar->fade_in()); + } + + ar = boost::dynamic_pointer_cast (originals.back()); + + if (ar) { + /* copy the fade out of the last into the compound region */ + cr->set_fade_out (ar->fade_out()); + } +} + +void +AudioPlaylist::pre_uncombine (vector >& originals, boost::shared_ptr compound_region) +{ + RegionSortByPosition cmp; + boost::shared_ptr ar; + boost::shared_ptr cr = boost::dynamic_pointer_cast(compound_region); + + if (!cr) { + return; + } + + sort (originals.begin(), originals.end(), cmp); + + /* no need to call clear_changes() on the originals because that is + * done within Playlist::uncombine () + */ + + for (vector >::iterator i = originals.begin(); i != originals.end(); ++i) { + + if ((ar = boost::dynamic_pointer_cast (*i)) == 0) { + continue; + } + + /* scale the uncombined regions by any gain setting for the + * compound one. + */ + + 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 + */ + ar->set_fade_out (cr->fade_out()); + } + + } + + _session.add_command (new StatefulDiffCommand (*i)); + } +}