X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fplaylist.cc;h=e4fc0f0723df7e100229dd1765d8ee831ba4c7da;hb=61a3f348c433ca4f8d2e7bb9758ad5d61bd35407;hp=703a14663448c5468dc10910a3ca5c978d3a96df;hpb=c044402e6c0262b4813ffee6e8df53469cef8487;p=dcpomatic.git diff --git a/src/lib/playlist.cc b/src/lib/playlist.cc index 703a14663..e4fc0f072 100644 --- a/src/lib/playlist.cc +++ b/src/lib/playlist.cc @@ -1,36 +1,41 @@ /* - Copyright (C) 2013 Carl Hetherington + Copyright (C) 2013-2018 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ -#include -#include -#include #include "playlist.h" -#include "sndfile_content.h" -#include "sndfile_decoder.h" #include "video_content.h" +#include "text_content.h" #include "ffmpeg_decoder.h" #include "ffmpeg_content.h" -#include "imagemagick_decoder.h" -#include "imagemagick_content.h" +#include "image_decoder.h" +#include "audio_content.h" +#include "content_factory.h" +#include "dcp_content.h" #include "job.h" #include "config.h" #include "util.h" +#include "digester.h" +#include +#include +#include +#include +#include #include "i18n.h" @@ -40,29 +45,19 @@ using std::vector; 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) - , _sequencing_video (false) + : _sequence (true) + , _sequencing (false) { } -Playlist::Playlist (shared_ptr 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 (); @@ -70,124 +65,192 @@ Playlist::~Playlist () } void -Playlist::content_changed (weak_ptr c, int p) +Playlist::content_change (ChangeType type, weak_ptr 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 (*i)) { - continue; + if (type == CHANGE_TYPE_DONE) { + if ( + property == ContentProperty::TRIM_START || + property == ContentProperty::TRIM_END || + property == ContentProperty::LENGTH || + property == VideoContentProperty::FRAME_TYPE + ) { + /* 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. + */ + maybe_sequence (); + } + + if ( + property == ContentProperty::POSITION || + property == ContentProperty::LENGTH || + property == ContentProperty::TRIM_START || + property == ContentProperty::TRIM_END) { + + ContentList old = _content; + sort (_content.begin(), _content.end(), ContentSorter ()); + if (_content != old) { + OrderChanged (); } + } + } - (*i)->set_start (last); - last = (*i)->end (); + ContentChange (type, content, property, frequent); +} + +void +Playlist::maybe_sequence () +{ + if (!_sequence || _sequencing) { + return; + } + + _sequencing = true; + + /* Keep track of the content that we've set the position of so that we don't + do it twice. + */ + ContentList placed; + + /* Video */ + + DCPTime next_left; + DCPTime next_right; + BOOST_FOREACH (shared_ptr i, _content) { + if (!i->video) { + continue; + } + + if (i->video->frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) { + i->set_position (next_right); + next_right = i->end(); + } else { + i->set_position (next_left); + next_left = i->end(); + } + + placed.push_back (i); + } + + /* Captions */ + + DCPTime next; + BOOST_FOREACH (shared_ptr i, _content) { + if (i->text.empty() || find (placed.begin(), placed.end(), i) != placed.end()) { + continue; } - _sequencing_video = false; + i->set_position (next); + next = i->end(); } - - ContentChanged (c, p); + + + /* This won't change order, so it does not need a sort */ + + _sequencing = false; } string Playlist::video_identifier () const { string t; - - for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) { - shared_ptr vc = dynamic_pointer_cast (*i); - if (vc) { - t += vc->identifier (); + + BOOST_FOREACH (shared_ptr i, _content) { + bool burn = false; + BOOST_FOREACH (shared_ptr j, i->text) { + if (j->burn()) { + burn = true; + } + } + if (i->video || burn) { + t += i->identifier (); } } - t += lexical_cast (_loop); - - return md5_digest (t.c_str(), t.length()); + Digester digester; + digester.add (t.c_str(), t.length()); + return digester.get (); } -/** @param node node */ +/** @param film Film that this Playlist is for. + * @param node <Playlist> node. + * @param version Metadata version number. + * @param notes Output notes about that happened. + */ void -Playlist::set_from_xml (shared_ptr film, shared_ptr node) +Playlist::set_from_xml (shared_ptr film, cxml::ConstNodePtr node, int version, list& notes) { - list > c = node->node_children ("Content"); - for (list >::iterator i = c.begin(); i != c.end(); ++i) { - string const type = (*i)->string_child ("Type"); - - boost::shared_ptr 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)); } + /* This shouldn't be necessary but better safe than sorry (there could be old files) */ + sort (_content.begin(), _content.end(), ContentSorter ()); + reconnect (); - _loop = node->number_child ("Loop"); - _sequence_video = node->bool_child ("SequenceVideo"); } -/** @param node node */ +/** @param node <Playlist> node. + * @param with_content_paths true to include <Path> nodes in <Content> nodes, false to omit them. + */ void -Playlist::as_xml (xmlpp::Node* node) +Playlist::as_xml (xmlpp::Node* node, bool with_content_paths) { - for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) { - (*i)->as_xml (node->add_child ("Content")); + BOOST_FOREACH (shared_ptr i, _content) { + i->as_xml (node->add_child ("Content"), with_content_paths); } - - node->add_child("Loop")->add_child_text(lexical_cast (_loop)); - node->add_child("SequenceVideo")->add_child_text(_sequence_video ? "1" : "0"); } void Playlist::add (shared_ptr c) { + Change (CHANGE_TYPE_PENDING); _content.push_back (c); + sort (_content.begin(), _content.end(), ContentSorter ()); reconnect (); - Changed (); + Change (CHANGE_TYPE_DONE); } void Playlist::remove (shared_ptr c) { + Change (CHANGE_TYPE_PENDING); + ContentList::iterator i = _content.begin (); while (i != _content.end() && *i != c) { ++i; } - + if (i != _content.end ()) { _content.erase (i); - Changed (); + Change (CHANGE_TYPE_DONE); + } else { + Change (CHANGE_TYPE_CANCELLED); } + + /* 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 (); -} + Change (CHANGE_TYPE_PENDING); -bool -Playlist::has_subtitles () const -{ - for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) { - shared_ptr fc = dynamic_pointer_cast (*i); - if (fc && !fc->subtitle_streams().empty()) { - return true; + BOOST_FOREACH (shared_ptr i, c) { + ContentList::iterator j = _content.begin (); + while (j != _content.end() && *j != i) { + ++j; + } + + if (j != _content.end ()) { + _content.erase (j); } } - return false; + /* This won't change order, so it does not need a sort */ + + Change (CHANGE_TYPE_DONE); } class FrameRateCandidate @@ -203,11 +266,11 @@ public: }; int -Playlist::best_dcp_frame_rate () const +Playlist::best_video_frame_rate () const { list const allowed_dcp_frame_rates = Config::instance()->allowed_dcp_frame_rates (); - /* Work out what rates we could manage, including those achieved by using skip / repeat. */ + /* Work out what rates we could manage, including those achieved by using skip / repeat */ list candidates; /* Start with the ones without skip / repeat so they will get matched in preference to skipped/repeated ones */ @@ -228,14 +291,19 @@ Playlist::best_dcp_frame_rate () const while (i != candidates.end()) { float this_error = 0; - for (ContentList::const_iterator j = _content.begin(); j != _content.end(); ++j) { - shared_ptr vc = dynamic_pointer_cast (*j); - if (!vc) { + BOOST_FOREACH (shared_ptr j, _content) { + if (!j->video || !j->video_frame_rate()) { continue; } + /* Best error for this content; we could use the content as-is or double its rate */ + float best_error = min ( + float (fabs (i->source - j->video_frame_rate().get())), + float (fabs (i->source - j->video_frame_rate().get() * 2)) + ); + /* Use the largest difference between DCP and source as the "error" */ - this_error = max (this_error, float (fabs (i->source - vc->video_frame_rate ()))); + this_error = max (this_error, best_error); } if (this_error < error) { @@ -249,21 +317,38 @@ Playlist::best_dcp_frame_rate () const 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 i, _content) { + len = max (len, i->end()); } return len; } +/** @return position of the first thing on the playlist, if it's not empty */ +optional +Playlist::start () const +{ + if (_content.empty ()) { + return optional (); + } + + DCPTime start = DCPTime::max (); + BOOST_FOREACH (shared_ptr i, _content) { + start = min (start, i->position ()); + } + + return start; +} + void Playlist::reconnect () { @@ -272,33 +357,234 @@ 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 i, _content) { + _content_connections.push_back (i->Change.connect(boost::bind(&Playlist::content_change, this, _1, _2, _3, _4))); } } -Time +DCPTime Playlist::video_end () const { - Time end = 0; - for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) { - if (dynamic_pointer_cast (*i)) { - end = max (end, (*i)->end ()); + DCPTime end; + BOOST_FOREACH (shared_ptr i, _content) { + if (i->video) { + end = max (end, i->end ()); + } + } + + return end; +} + +DCPTime +Playlist::text_end () const +{ + DCPTime end; + BOOST_FOREACH (shared_ptr i, _content) { + if (!i->text.empty ()) { + 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) { + if (!(*i)->video) { + continue; + } + + if ((*i)->position() <= t) { + /* This is the first piece of content (going backwards...) that starts before t, + so it's the active one. + */ + if ((*i)->video_frame_rate ()) { + /* This content specified a rate, so use it */ + return FrameRateChange ((*i)->video_frame_rate().get(), dcp_video_frame_rate); + } else { + /* No specified rate so just use the DCP one */ + return FrameRateChange (dcp_video_frame_rate, dcp_video_frame_rate); + } + } + } + + return FrameRateChange (dcp_video_frame_rate, dcp_video_frame_rate); +} + void -Playlist::set_sequence_video (bool s) +Playlist::set_sequence (bool s) { - _sequence_video = s; + _sequence = s; } bool ContentSorter::operator() (shared_ptr a, shared_ptr b) { - return a->start() < b->start(); + if (a->position() != b->position()) { + return a->position() < b->position(); + } + + /* Put video before audio if they start at the same time */ + if (a->video && !b->video) { + return true; + } else if (!a->video && b->video) { + return false; + } + + /* Last resort */ + return a->digest() < b->digest(); +} + +/** @return content in ascending order of position */ +ContentList +Playlist::content () const +{ + return _content; +} + +void +Playlist::repeat (ContentList c, int n) +{ + pair range (DCPTime::max (), DCPTime ()); + BOOST_FOREACH (shared_ptr 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 ()); + } + + Change (CHANGE_TYPE_PENDING); + + DCPTime pos = range.second; + for (int i = 0; i < n; ++i) { + BOOST_FOREACH (shared_ptr j, c) { + shared_ptr 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 (); + Change (CHANGE_TYPE_DONE); +} + +void +Playlist::move_earlier (shared_ptr c) +{ + 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; + } + + shared_ptr previous_c = *previous; + + DCPTime const p = previous_c->position (); + previous_c->set_position (p + c->length_after_trim ()); + c->set_position (p); +} + +void +Playlist::move_later (shared_ptr c) +{ + 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; + } + + shared_ptr next_c = *next; + + next_c->set_position (c->position ()); + c->set_position (c->position() + next_c->length_after_trim ()); +} + +int64_t +Playlist::required_disk_space (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 (); + + BOOST_FOREACH (shared_ptr i, _content) { + shared_ptr d = dynamic_pointer_cast (i); + if (d) { + if (d->reference_video()) { + video -= uint64_t (j2k_bandwidth / 8) * d->length_after_trim().seconds(); + } + if (d->reference_audio()) { + audio -= uint64_t (audio_channels * audio_frame_rate * 3) * d->length_after_trim().seconds(); + } + } + } + + /* Add on 64k for bits and pieces (metadata, subs etc) */ + return video + audio + 65536; +} + +string +Playlist::content_summary (DCPTimePeriod period) const +{ + string best_summary; + int best_score = -1; + BOOST_FOREACH (shared_ptr i, _content) { + int score = 0; + optional const o = DCPTimePeriod(i->position(), i->end()).overlap (period); + if (o) { + score += 100 * o.get().duration().get() / period.duration().get(); + } + + if (i->video) { + score += 100; + } + + if (score > best_score) { + best_summary = i->path(0).leaf().string(); + best_score = score; + } + } + + return best_summary; +} + +pair +Playlist::speed_up_range (int dcp_video_frame_rate) const +{ + pair range (DBL_MAX, -DBL_MAX); + + BOOST_FOREACH (shared_ptr i, _content) { + if (!i->video) { + continue; + } + if (i->video_frame_rate()) { + FrameRateChange const frc (i->video_frame_rate().get(), dcp_video_frame_rate); + range.first = min (range.first, frc.speed_up); + range.second = max (range.second, frc.speed_up); + } else { + FrameRateChange const frc (dcp_video_frame_rate, dcp_video_frame_rate); + range.first = min (range.first, frc.speed_up); + range.second = max (range.second, frc.speed_up); + } + } + + return range; }