X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplaylist.cc;h=d37f287837110a283b8ee56003d58011853fb1f3;hb=c180f317d5a8b27dd191c1f2228ceb6fc4039393;hp=24a38f2cda97c45d39d63150a2ce69ca43865223;hpb=2d5beb0d6794df13ad1df47e84fd7a57d1d1c64d;p=dcpomatic.git diff --git a/src/lib/playlist.cc b/src/lib/playlist.cc index 24a38f2cd..d37f28783 100644 --- a/src/lib/playlist.cc +++ b/src/lib/playlist.cc @@ -1,25 +1,24 @@ /* Copyright (C) 2013-2016 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 "playlist.h" -#include "sndfile_content.h" -#include "sndfile_decoder.h" #include "video_content.h" #include "subtitle_content.h" #include "ffmpeg_decoder.h" @@ -30,7 +29,7 @@ #include "job.h" #include "config.h" #include "util.h" -#include "md5_digester.h" +#include "digester.h" #include #include #include @@ -155,12 +154,16 @@ Playlist::video_identifier () const } } - MD5Digester digester; + 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, cxml::ConstNodePtr node, int version, list& notes) { @@ -174,12 +177,14 @@ Playlist::set_from_xml (shared_ptr film, cxml::ConstNodePtr node, in reconnect (); } -/** @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) { BOOST_FOREACH (shared_ptr i, _content) { - i->as_xml (node->add_child ("Content")); + i->as_xml (node->add_child ("Content"), with_content_paths); } } @@ -240,7 +245,7 @@ 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 (); @@ -266,14 +271,14 @@ Playlist::best_dcp_frame_rate () const float this_error = 0; BOOST_FOREACH (shared_ptr j, _content) { - if (!j->video || !j->video->has_own_frame_rate()) { + 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 ())), - float (fabs (i->source - j->video->frame_rate () * 2)) + 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" */ @@ -375,7 +380,13 @@ Playlist::active_frame_rate_change (DCPTime t, int dcp_video_frame_rate) const /* This is the first piece of content (going backwards...) that starts before t, so it's the active one. */ - return FrameRateChange ((*i)->video->frame_rate(), dcp_video_frame_rate); + 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); + } } } @@ -506,3 +517,75 @@ Playlist::required_disk_space (int j2k_bandwidth, int audio_channels, int audio_ /* 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; +} + +bool +Playlist::video_content_at (DCPTime time) const +{ + BOOST_FOREACH (shared_ptr i, _content) { + if (i->video && i->position() <= time && time < i->end()) { + return true; + } + } + + return false; +} + +bool +Playlist::audio_content_at (DCPTime time) const +{ + BOOST_FOREACH (shared_ptr i, _content) { + if (i->audio && i->position() <= time && time < i->end()) { + return true; + } + } + + return false; +} + +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; +}