Take Film pointer out of Content.

[dcpomatic.git] / src / lib / playlist.cc

diff --git a/src/lib/playlist.cc b/src/lib/playlist.cc
index e4fc0f0723df7e100229dd1765d8ee831ba4c7da..0e6497495802a51b8338e46e628243ce798abb5b 100644 (file)
--- a/src/lib/playlist.cc
+++ b/src/lib/playlist.cc
@@ -61,12 +61,15 @@ Playlist::Playlist ()
 Playlist::~Playlist ()
 {
        _content.clear ();
-       reconnect ();
+       disconnect ();
 }
 
 void
-Playlist::content_change (ChangeType type, weak_ptr<Content> content, int property, bool frequent)
+Playlist::content_change (weak_ptr<const Film> weak_film, ChangeType type, weak_ptr<Content> content, int property, bool frequent)
 {
+       shared_ptr<const Film> film = weak_film.lock ();
+       DCPOMATIC_ASSERT (film);
+
        if (type == CHANGE_TYPE_DONE) {
                if (
                        property == ContentProperty::TRIM_START ||
@@ -79,7 +82,7 @@ Playlist::content_change (ChangeType type, weak_ptr<Content> content, int proper
                           - any other position changes will be timeline drags which should not result in content
                           being sequenced.
                        */
-                       maybe_sequence ();
+                       maybe_sequence (film);
                }
 
                if (
@@ -100,7 +103,7 @@ Playlist::content_change (ChangeType type, weak_ptr<Content> content, int proper
 }
 
 void
-Playlist::maybe_sequence ()
+Playlist::maybe_sequence (shared_ptr<const Film> film)
 {
        if (!_sequence || _sequencing) {
                return;
@@ -123,11 +126,11 @@ Playlist::maybe_sequence ()
                }
 
                if (i->video->frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) {
-                       i->set_position (next_right);
-                       next_right = i->end();
+                       i->set_position (film, next_right);
+                       next_right = i->end(film);
                } else {
-                       i->set_position (next_left);
-                       next_left = i->end();
+                       i->set_position (film, next_left);
+                       next_left = i->end(film);
                }
 
                placed.push_back (i);
@@ -141,8 +144,8 @@ Playlist::maybe_sequence ()
                        continue;
                }
 
-               i->set_position (next);
-               next = i->end();
+               i->set_position (film, next);
+               next = i->end(film);
        }
 
 
@@ -188,7 +191,7 @@ Playlist::set_from_xml (shared_ptr<const Film> film, cxml::ConstNodePtr node, in
        /* This shouldn't be necessary but better safe than sorry (there could be old files) */
        sort (_content.begin(), _content.end(), ContentSorter ());
 
-       reconnect ();
+       reconnect (film);
 }
 
 /** @param node &lt;Playlist&gt; node.
@@ -203,12 +206,12 @@ Playlist::as_xml (xmlpp::Node* node, bool with_content_paths)
 }
 
 void
-Playlist::add (shared_ptr<Content> c)
+Playlist::add (shared_ptr<const Film> film, shared_ptr<Content> c)
 {
        Change (CHANGE_TYPE_PENDING);
        _content.push_back (c);
        sort (_content.begin(), _content.end(), ContentSorter ());
-       reconnect ();
+       reconnect (film);
        Change (CHANGE_TYPE_DONE);
 }
 
@@ -323,11 +326,11 @@ Playlist::best_video_frame_rate () const
 
 /** @return length of the playlist from time 0 to the last thing on the playlist */
 DCPTime
-Playlist::length () const
+Playlist::length (shared_ptr<const Film> film) const
 {
        DCPTime len;
        BOOST_FOREACH (shared_ptr<const Content> i, _content) {
-               len = max (len, i->end());
+               len = max (len, i->end(film));
        }
 
        return len;
@@ -350,26 +353,32 @@ Playlist::start () const
 }
 
 void
-Playlist::reconnect ()
+Playlist::disconnect ()
 {
        for (list<boost::signals2::connection>::iterator i = _content_connections.begin(); i != _content_connections.end(); ++i) {
                i->disconnect ();
        }
 
        _content_connections.clear ();
+}
+
+void
+Playlist::reconnect (shared_ptr<const Film> film)
+{
+       disconnect ();
 
        BOOST_FOREACH (shared_ptr<Content> i, _content) {
-               _content_connections.push_back (i->Change.connect(boost::bind(&Playlist::content_change, this, _1, _2, _3, _4)));
+               _content_connections.push_back (i->Change.connect(boost::bind(&Playlist::content_change, this, film, _1, _2, _3, _4)));
        }
 }
 
 DCPTime
-Playlist::video_end () const
+Playlist::video_end (shared_ptr<const Film> film) const
 {
        DCPTime end;
        BOOST_FOREACH (shared_ptr<Content> i, _content) {
                if (i->video) {
-                       end = max (end, i->end ());
+                       end = max (end, i->end(film));
                }
        }
 
@@ -377,12 +386,12 @@ Playlist::video_end () const
 }
 
 DCPTime
-Playlist::text_end () const
+Playlist::text_end (shared_ptr<const Film> film) const
 {
        DCPTime end;
        BOOST_FOREACH (shared_ptr<Content> i, _content) {
                if (!i->text.empty ()) {
-                       end = max (end, i->end ());
+                       end = max (end, i->end(film));
                }
        }
 
@@ -446,14 +455,14 @@ Playlist::content () const
 }
 
 void
-Playlist::repeat (ContentList c, int n)
+Playlist::repeat (shared_ptr<const Film> film, ContentList c, int n)
 {
        pair<DCPTime, DCPTime> range (DCPTime::max (), DCPTime ());
        BOOST_FOREACH (shared_ptr<Content> i, c) {
                range.first = min (range.first, i->position ());
                range.second = max (range.second, i->position ());
-               range.first = min (range.first, i->end ());
-               range.second = max (range.second, i->end ());
+               range.first = min (range.first, i->end(film));
+               range.second = max (range.second, i->end(film));
        }
 
        Change (CHANGE_TYPE_PENDING);
@@ -461,8 +470,8 @@ Playlist::repeat (ContentList c, int n)
        DCPTime pos = range.second;
        for (int i = 0; i < n; ++i) {
                BOOST_FOREACH (shared_ptr<Content> j, c) {
-                       shared_ptr<Content> copy = j->clone ();
-                       copy->set_position (pos + copy->position() - range.first);
+                       shared_ptr<Content> copy = j->clone (film);
+                       copy->set_position (film, pos + copy->position() - range.first);
                        _content.push_back (copy);
                }
                pos += range.second - range.first;
@@ -470,12 +479,12 @@ Playlist::repeat (ContentList c, int n)
 
        sort (_content.begin(), _content.end(), ContentSorter ());
 
-       reconnect ();
+       reconnect (film);
        Change (CHANGE_TYPE_DONE);
 }
 
 void
-Playlist::move_earlier (shared_ptr<Content> c)
+Playlist::move_earlier (shared_ptr<const Film> film, shared_ptr<Content> c)
 {
        ContentList::iterator previous = _content.end ();
        ContentList::iterator i = _content.begin();
@@ -492,12 +501,12 @@ Playlist::move_earlier (shared_ptr<Content> c)
        shared_ptr<Content> previous_c = *previous;
 
        DCPTime const p = previous_c->position ();
-       previous_c->set_position (p + c->length_after_trim ());
-       c->set_position (p);
+       previous_c->set_position (film, p + c->length_after_trim(film));
+       c->set_position (film, p);
 }
 
 void
-Playlist::move_later (shared_ptr<Content> c)
+Playlist::move_later (shared_ptr<const Film> film, shared_ptr<Content> c)
 {
        ContentList::iterator i = _content.begin();
        while (i != _content.end() && *i != c) {
@@ -515,24 +524,24 @@ Playlist::move_later (shared_ptr<Content> c)
 
        shared_ptr<Content> next_c = *next;
 
-       next_c->set_position (c->position ());
-       c->set_position (c->position() + next_c->length_after_trim ());
+       next_c->set_position (film, c->position());
+       c->set_position (film, c->position() + next_c->length_after_trim(film));
 }
 
 int64_t
-Playlist::required_disk_space (int j2k_bandwidth, int audio_channels, int audio_frame_rate) const
+Playlist::required_disk_space (shared_ptr<const Film> film, int j2k_bandwidth, int audio_channels, int audio_frame_rate) const
 {
-       int64_t video = uint64_t (j2k_bandwidth / 8) * length().seconds ();
-       int64_t audio = uint64_t (audio_channels * audio_frame_rate * 3) * length().seconds ();
+       int64_t video = uint64_t (j2k_bandwidth / 8) * length(film).seconds();
+       int64_t audio = uint64_t (audio_channels * audio_frame_rate * 3) * length(film).seconds();
 
        BOOST_FOREACH (shared_ptr<Content> i, _content) {
                shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent> (i);
                if (d) {
                        if (d->reference_video()) {
-                               video -= uint64_t (j2k_bandwidth / 8) * d->length_after_trim().seconds();
+                               video -= uint64_t (j2k_bandwidth / 8) * d->length_after_trim(film).seconds();
                        }
                        if (d->reference_audio()) {
-                               audio -= uint64_t (audio_channels * audio_frame_rate * 3) * d->length_after_trim().seconds();
+                               audio -= uint64_t (audio_channels * audio_frame_rate * 3) * d->length_after_trim(film).seconds();
                        }
                }
        }
@@ -542,13 +551,13 @@ Playlist::required_disk_space (int j2k_bandwidth, int audio_channels, int audio_
 }
 
 string
-Playlist::content_summary (DCPTimePeriod period) const
+Playlist::content_summary (shared_ptr<const Film> film, DCPTimePeriod period) const
 {
        string best_summary;
        int best_score = -1;
        BOOST_FOREACH (shared_ptr<Content> i, _content) {
                int score = 0;
-               optional<DCPTimePeriod> const o = DCPTimePeriod(i->position(), i->end()).overlap (period);
+               optional<DCPTimePeriod> const o = DCPTimePeriod(i->position(), i->end(film)).overlap (period);
                if (o) {
                        score += 100 * o.get().duration().get() / period.duration().get();
                }