-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
#include "video_content.h"
#include "ffmpeg_decoder.h"
#include "ffmpeg_content.h"
-#include "imagemagick_decoder.h"
-#include "imagemagick_content.h"
+#include "image_decoder.h"
+#include "content_factory.h"
#include "job.h"
#include "config.h"
#include "util.h"
using std::max;
using std::string;
using std::stringstream;
+using std::pair;
using boost::optional;
using boost::shared_ptr;
using boost::weak_ptr;
using boost::lexical_cast;
Playlist::Playlist ()
- : _loop (1)
+ : _sequence_video (true)
+ , _sequencing_video (false)
{
}
-Playlist::Playlist (shared_ptr<const Playlist> other)
- : _loop (other->_loop)
+Playlist::~Playlist ()
{
- for (RegionList::const_iterator i = other->_regions.begin(); i != other->_regions.end(); ++i) {
- _regions.push_back (shared_ptr<Region> (new Region ((*i)->content->clone(), (*i)->time, this)));
- }
+ _content.clear ();
+ reconnect ();
}
void
-Playlist::content_changed (weak_ptr<Content> c, int p)
+Playlist::content_changed (weak_ptr<Content> content, int property, bool frequent)
{
- ContentChanged (c, p);
+ if (property == ContentProperty::LENGTH) {
+ maybe_sequence_video ();
+ }
+
+ ContentChanged (content, property, frequent);
}
-string
-Playlist::audio_digest () const
+void
+Playlist::maybe_sequence_video ()
{
- string t;
+ if (!_sequence_video || _sequencing_video) {
+ return;
+ }
+
+ _sequencing_video = true;
- for (RegionList::const_iterator i = _regions.begin(); i != _regions.end(); ++i) {
- if (!dynamic_pointer_cast<const AudioContent> ((*i)->content)) {
+ ContentList cl = _content;
+ DCPTime next = 0;
+ for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
+ if (!dynamic_pointer_cast<VideoContent> (*i)) {
continue;
}
- t += (*i)->content->digest ();
-
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> ((*i)->content);
- if (fc) {
- t += lexical_cast<string> (fc->audio_stream()->id);
- }
+ (*i)->set_position (next);
+ next = (*i)->end() + 1;
}
- t += lexical_cast<string> (_loop);
-
- return md5_digest (t.c_str(), t.length());
+ /* This won't change order, so it does not need a sort */
+
+ _sequencing_video = false;
}
string
-Playlist::video_digest () const
+Playlist::video_identifier () const
{
string t;
- for (RegionList::const_iterator i = _regions.begin(); i != _regions.end(); ++i) {
- if (!dynamic_pointer_cast<const VideoContent> ((*i)->content)) {
- continue;
- }
-
- t += (*i)->content->digest ();
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> ((*i)->content);
- if (fc && fc->subtitle_stream()) {
- t += fc->subtitle_stream()->id;
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (*i);
+ if (vc) {
+ t += vc->identifier ();
}
}
- t += lexical_cast<string> (_loop);
-
return md5_digest (t.c_str(), t.length());
}
+/** @param node <Playlist> node */
void
-Playlist::set_from_xml (shared_ptr<const cxml::Node> node)
+Playlist::set_from_xml (shared_ptr<const Film> film, shared_ptr<const cxml::Node> node, int version)
{
- list<shared_ptr<cxml::Node> > c = node->node_children ("Region");
- for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
- _regions.push_back (shared_ptr<Region> (new Region (*i, this)));
+ list<cxml::NodePtr> c = node->node_children ("Content");
+ for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
+ _content.push_back (content_factory (film, *i, version));
}
- _loop = node->number_child<int> ("Loop");
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ reconnect ();
}
+/** @param node <Playlist> node */
void
Playlist::as_xml (xmlpp::Node* node)
{
- for (RegionList::iterator i = _regions.begin(); i != _regions.end(); ++i) {
- (*i)->as_xml (node->add_child ("Region"));
+ for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
+ (*i)->as_xml (node->add_child ("Content"));
}
-
- node->add_child("Loop")->add_child_text(lexical_cast<string> (_loop));
}
void
Playlist::add (shared_ptr<Content> c)
{
- _regions.push_back (shared_ptr<Region> (new Region (c, 0, this)));
+ _content.push_back (c);
+ sort (_content.begin(), _content.end(), ContentSorter ());
+ reconnect ();
Changed ();
}
void
Playlist::remove (shared_ptr<Content> c)
{
- RegionList::iterator i = _regions.begin ();
- while (i != _regions.end() && (*i)->content != c) {
+ ContentList::iterator i = _content.begin ();
+ while (i != _content.end() && *i != c) {
++i;
}
- if (i != _regions.end ()) {
- _regions.erase (i);
+ if (i != _content.end ()) {
+ _content.erase (i);
Changed ();
}
+
+ /* This won't change order, so it does not need a sort */
}
void
-Playlist::set_loop (int l)
+Playlist::remove (ContentList c)
{
- _loop = l;
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ ContentList::iterator j = _content.begin ();
+ while (j != _content.end() && *j != *i) {
+ ++j;
+ }
+
+ if (j != _content.end ()) {
+ _content.erase (j);
+ }
+ }
+
+ /* This won't change order, so it does not need a sort */
+
Changed ();
}
bool
Playlist::has_subtitles () const
{
- for (RegionList::const_iterator i = _regions.begin(); i != _regions.end(); ++i) {
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> ((*i)->content);
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (*i);
if (fc && !fc->subtitle_streams().empty()) {
return true;
}
return false;
}
-Playlist::Region::Region (shared_ptr<Content> c, Time t, Playlist* p)
- : content (c)
- , time (t)
-{
- connection = c->Changed.connect (bind (&Playlist::content_changed, p, _1, _2));
-}
-
-Playlist::Region::Region (shared_ptr<const cxml::Node> node, Playlist* p)
-{
- shared_ptr<const cxml::Node> content_node = node->node_child ("Content");
- string const type = content_node->string_child ("Type");
-
- if (type == "FFmpeg") {
- content.reset (new FFmpegContent (content_node));
- } else if (type == "ImageMagick") {
- content.reset (new ImageMagickContent (content_node));
- } else if (type == "Sndfile") {
- content.reset (new SndfileContent (content_node));
- }
-
- time = node->number_child<Time> ("Time");
- audio_mapping = AudioMapping (node->node_child ("AudioMapping"));
- connection = content->Changed.connect (bind (&Playlist::content_changed, p, _1, _2));
-}
-
-void
-Playlist::Region::as_xml (xmlpp::Node* node) const
-{
- xmlpp::Node* sub = node->add_child ("Content");
- content->as_xml (sub);
- node->add_child ("Time")->add_child_text (lexical_cast<string> (time));
- audio_mapping.as_xml (node->add_child ("AudioMapping"));
-}
-
class FrameRateCandidate
{
public:
candidates.push_back (FrameRateCandidate (float (*i) * 2, *i));
}
- /* Pick the best one, bailing early if we hit an exact match */
+ /* Pick the best one */
float error = std::numeric_limits<float>::max ();
optional<FrameRateCandidate> best;
list<FrameRateCandidate>::iterator i = candidates.begin();
while (i != candidates.end()) {
- float this_error = std::numeric_limits<float>::max ();
- for (RegionList::const_iterator j = _regions.begin(); j != _regions.end(); ++j) {
- shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> ((*j)->content);
+ float this_error = 0;
+ for (ContentList::const_iterator j = _content.begin(); j != _content.end(); ++j) {
+ shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*j);
if (!vc) {
continue;
}
- this_error += fabs (i->source - vc->video_frame_rate ());
+ /* Use the largest difference between DCP and source as the "error" */
+ this_error = max (this_error, float (fabs (i->source - vc->video_frame_rate ())));
}
if (this_error < error) {
return best->dcp;
}
-Time
-Playlist::length (shared_ptr<const Film> film) const
+DCPTime
+Playlist::length () const
{
- Time len = 0;
- for (RegionList::const_iterator i = _regions.begin(); i != _regions.end(); ++i) {
- Time const t = (*i)->time + (*i)->content->length (film);
- len = max (len, t);
+ DCPTime len = 0;
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ len = max (len, (*i)->end() + 1);
}
return len;
}
+
+void
+Playlist::reconnect ()
+{
+ for (list<boost::signals2::connection>::iterator i = _content_connections.begin(); i != _content_connections.end(); ++i) {
+ i->disconnect ();
+ }
+
+ _content_connections.clear ();
+
+ for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
+ _content_connections.push_back ((*i)->Changed.connect (bind (&Playlist::content_changed, this, _1, _2, _3)));
+ }
+}
+
+DCPTime
+Playlist::video_end () const
+{
+ DCPTime end = 0;
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ if (dynamic_pointer_cast<const VideoContent> (*i)) {
+ end = max (end, (*i)->end ());
+ }
+ }
+
+ return end;
+}
+
+FrameRateChange
+Playlist::active_frame_rate_change (DCPTime t, int dcp_video_frame_rate) const
+{
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (*i);
+ if (!vc) {
+ break;
+ }
+
+ if (vc->position() >= t && t < vc->end()) {
+ return FrameRateChange (vc->video_frame_rate(), dcp_video_frame_rate);
+ }
+ }
+
+ return FrameRateChange (dcp_video_frame_rate, dcp_video_frame_rate);
+}
+
+void
+Playlist::set_sequence_video (bool s)
+{
+ _sequence_video = s;
+}
+
+bool
+ContentSorter::operator() (shared_ptr<Content> a, shared_ptr<Content> b)
+{
+ return a->position() < b->position();
+}
+
+/** @return content in an undefined order */
+ContentList
+Playlist::content () const
+{
+ return _content;
+}
+
+void
+Playlist::repeat (ContentList c, int n)
+{
+ pair<DCPTime, DCPTime> range (TIME_MAX, 0);
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ 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 ());
+ }
+
+ DCPTime pos = range.second;
+ for (int i = 0; i < n; ++i) {
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ shared_ptr<Content> copy = (*i)->clone ();
+ copy->set_position (pos + copy->position() - range.first);
+ _content.push_back (copy);
+ }
+ pos += range.second - range.first;
+ }
+
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ reconnect ();
+ Changed ();
+}
+
+void
+Playlist::move_earlier (shared_ptr<Content> c)
+{
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ ContentList::iterator previous = _content.end ();
+ ContentList::iterator i = _content.begin();
+ while (i != _content.end() && *i != c) {
+ previous = i;
+ ++i;
+ }
+
+ assert (i != _content.end ());
+ if (previous == _content.end ()) {
+ return;
+ }
+
+ DCPTime const p = (*previous)->position ();
+ (*previous)->set_position (p + c->length_after_trim ());
+ c->set_position (p);
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ Changed ();
+}
+
+void
+Playlist::move_later (shared_ptr<Content> c)
+{
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ ContentList::iterator i = _content.begin();
+ while (i != _content.end() && *i != c) {
+ ++i;
+ }
+
+ assert (i != _content.end ());
+
+ ContentList::iterator next = i;
+ ++next;
+
+ if (next == _content.end ()) {
+ return;
+ }
+
+ DCPTime const p = (*next)->position ();
+ (*next)->set_position (c->position ());
+ c->set_position (p + c->length_after_trim ());
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ Changed ();
+}