/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
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
*/
-#include <libcxml/cxml.h>
-#include <boost/shared_ptr.hpp>
-#include <boost/lexical_cast.hpp>
#include "playlist.h"
#include "sndfile_content.h"
#include "sndfile_decoder.h"
#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"
+#include "md5_digester.h"
+#include <libcxml/cxml.h>
+#include <libxml++/libxml++.h>
+#include <boost/shared_ptr.hpp>
+#include <boost/foreach.hpp>
+#include <iostream>
#include "i18n.h"
using std::min;
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::dynamic_pointer_cast;
-using boost::lexical_cast;
Playlist::Playlist ()
- : _loop (1)
- , _sequence_video (true)
+ : _sequence_video (true)
, _sequencing_video (false)
{
}
-Playlist::Playlist (shared_ptr<const Playlist> other)
- : _loop (other->_loop)
-{
- for (ContentList::const_iterator i = other->_content.begin(); i != other->_content.end(); ++i) {
- _content.push_back ((*i)->clone ());
- }
-}
-
Playlist::~Playlist ()
{
_content.clear ();
}
void
-Playlist::content_changed (weak_ptr<Content> c, int p)
+Playlist::content_changed (weak_ptr<Content> content, int property, bool frequent)
{
- if (p == ContentProperty::LENGTH && _sequence_video && !_sequencing_video) {
- _sequencing_video = true;
-
- ContentList cl = _content;
- sort (cl.begin(), cl.end(), ContentSorter ());
- Time last = 0;
- for (ContentList::iterator i = cl.begin(); i != cl.end(); ++i) {
- if (!dynamic_pointer_cast<VideoContent> (*i)) {
- continue;
- }
+ /* Don't respond to position changes here, as:
+ - sequencing after earlier/later changes is handled by move_earlier/move_later
+ - any other position changes will be timeline drags which should not result in content
+ being sequenced.
+ */
+
+ if (property == ContentProperty::LENGTH || property == VideoContentProperty::VIDEO_FRAME_TYPE) {
+ maybe_sequence_video ();
+ }
+
+ ContentChanged (content, property, frequent);
+}
- (*i)->set_start (last);
- last = (*i)->end ();
+void
+Playlist::maybe_sequence_video ()
+{
+ if (!_sequence_video || _sequencing_video) {
+ return;
+ }
+
+ _sequencing_video = true;
+
+ DCPTime next_left;
+ DCPTime next_right;
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (i);
+ if (!vc) {
+ continue;
}
- _sequencing_video = false;
+ if (vc->video_frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) {
+ vc->set_position (next_right);
+ next_right = vc->end() + DCPTime::delta ();
+ } else {
+ vc->set_position (next_left);
+ next_left = vc->end() + DCPTime::delta ();
+ }
}
-
- ContentChanged (c, p);
+
+ /* 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 (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
- if (!dynamic_pointer_cast<const VideoContent> (*i)) {
- continue;
- }
-
- t += (*i)->digest ();
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
- if (fc && fc->subtitle_stream()) {
- t += fc->subtitle_stream()->id;
+
+ BOOST_FOREACH (shared_ptr<const Content> i, _content) {
+ shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (i);
+ shared_ptr<const SubtitleContent> sc = dynamic_pointer_cast<const SubtitleContent> (i);
+ if (vc) {
+ t += vc->identifier ();
+ } else if (sc && sc->burn_subtitles ()) {
+ t += sc->identifier ();
}
}
- t += lexical_cast<string> (_loop);
-
- return md5_digest (t.c_str(), t.length());
+ MD5Digester digester;
+ digester.add (t.c_str(), t.length());
+ return digester.get ();
}
/** @param node <Playlist> node */
void
-Playlist::set_from_xml (shared_ptr<const Film> film, shared_ptr<const cxml::Node> node)
+Playlist::set_from_xml (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
{
- list<shared_ptr<cxml::Node> > c = node->node_children ("Content");
- for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
- string const type = (*i)->string_child ("Type");
-
- boost::shared_ptr<Content> content;
-
- if (type == "FFmpeg") {
- content.reset (new FFmpegContent (film, *i));
- } else if (type == "ImageMagick") {
- content.reset (new ImageMagickContent (film, *i));
- } else if (type == "Sndfile") {
- content.reset (new SndfileContent (film, *i));
- }
-
- _content.push_back (content);
+ BOOST_FOREACH (cxml::NodePtr i, node->node_children ("Content")) {
+ _content.push_back (content_factory (film, i, version, notes));
}
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
reconnect ();
- _loop = node->number_child<int> ("Loop");
- _sequence_video = node->bool_child ("SequenceVideo");
}
/** @param node <Playlist> node */
void
Playlist::as_xml (xmlpp::Node* node)
{
- for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
- (*i)->as_xml (node->add_child ("Content"));
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ i->as_xml (node->add_child ("Content"));
}
-
- node->add_child("Loop")->add_child_text(lexical_cast<string> (_loop));
- node->add_child("SequenceVideo")->add_child_text(_sequence_video ? "1" : "0");
}
void
Playlist::add (shared_ptr<Content> c)
{
_content.push_back (c);
+ sort (_content.begin(), _content.end(), ContentSorter ());
reconnect ();
Changed ();
}
while (i != _content.end() && *i != c) {
++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;
- Changed ();
-}
+ BOOST_FOREACH (shared_ptr<Content> i, c) {
+ ContentList::iterator j = _content.begin ();
+ while (j != _content.end() && *j != i) {
+ ++j;
+ }
-bool
-Playlist::has_subtitles () const
-{
- 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;
+ if (j != _content.end ()) {
+ _content.erase (j);
}
}
- return false;
+ /* This won't change order, so it does not need a sort */
+
+ Changed ();
}
class FrameRateCandidate
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 (ContentList::const_iterator j = _content.begin(); j != _content.end(); ++j) {
- shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*j);
+ float this_error = 0;
+ BOOST_FOREACH (shared_ptr<Content> j, _content) {
+ shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (j);
if (!vc) {
continue;
}
- this_error += fabs (i->source - vc->video_frame_rate ());
+ /* Best error for this content; we could use the content as-is or double its rate */
+ float best_error = min (
+ float (fabs (i->source - vc->video_frame_rate ())),
+ float (fabs (i->source - vc->video_frame_rate () * 2))
+ );
+
+ /* Use the largest difference between DCP and source as the "error" */
+ this_error = max (this_error, best_error);
}
if (this_error < error) {
if (!best) {
return 24;
}
-
+
return best->dcp;
}
-Time
+/** @return length of the playlist from time 0 to the last thing on the playlist */
+DCPTime
Playlist::length () const
{
- Time len = 0;
- for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
- len = max (len, (*i)->end ());
+ DCPTime len;
+ BOOST_FOREACH (shared_ptr<const Content> i, _content) {
+ len = max (len, i->end());
}
return len;
}
+/** @return position of the first thing on the playlist, if it's not empty */
+optional<DCPTime>
+Playlist::start () const
+{
+ if (_content.empty ()) {
+ return optional<DCPTime> ();
+ }
+
+ DCPTime start = DCPTime::max ();
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ start = min (start, i->position ());
+ }
+
+ return start;
+}
+
void
Playlist::reconnect ()
{
}
_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)));
+
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ _content_connections.push_back (i->Changed.connect (bind (&Playlist::content_changed, this, _1, _2, _3)));
}
}
-Time
+DCPTime
Playlist::video_end () const
{
- Time 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 ());
+ DCPTime end;
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ 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_reverse_iterator i = _content.rbegin(); i != _content.rend(); ++i) {
+ shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (*i);
+ if (!vc) {
+ continue;
+ }
+
+ if (vc->position() <= t) {
+ /* This is the first piece of content (going backwards...) that starts before t,
+ so it's the active one.
+ */
+ 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)
{
bool
ContentSorter::operator() (shared_ptr<Content> a, shared_ptr<Content> b)
{
- return a->start() < b->start();
+ 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 (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 ());
+ }
+
+ 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);
+ _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;
+ }
+
+ DCPOMATIC_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 ());
+}
+
+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;
+ }
+
+ DCPOMATIC_ASSERT (i != _content.end ());
+
+ ContentList::iterator next = i;
+ ++next;
+
+ if (next == _content.end ()) {
+ return;
+ }
+
+ (*next)->set_position (c->position ());
+ c->set_position (c->position() + (*next)->length_after_trim ());
+ sort (_content.begin(), _content.end(), ContentSorter ());
}
projects / dcpomatic.git / blobdiff