/*
Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
- 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 <http://www.gnu.org/licenses/>.
*/
#include "playlist.h"
-#include "sndfile_content.h"
-#include "sndfile_decoder.h"
#include "video_content.h"
+#include "subtitle_content.h"
#include "ffmpeg_decoder.h"
#include "ffmpeg_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 "md5_digester.h"
+#include "digester.h"
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
#include <boost/shared_ptr.hpp>
void
Playlist::content_changed (weak_ptr<Content> content, int property, bool frequent)
{
- if (property == ContentProperty::LENGTH || property == VideoContentProperty::VIDEO_FRAME_TYPE) {
+ if (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
_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<Content> i, _content) {
- shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (i);
- if (!vc) {
+ if (!i->video) {
continue;
}
- if (vc->video_frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) {
- vc->set_position (next_right);
- next_right = vc->end();
+ if (i->video->frame_type() == VIDEO_FRAME_TYPE_3D_RIGHT) {
+ i->set_position (next_right);
+ next_right = i->end();
} else {
- vc->set_position (next_left);
- next_left = vc->end();
+ i->set_position (next_left);
+ next_left = i->end();
}
+
+ placed.push_back (i);
}
/* Subtitles */
DCPTime next;
BOOST_FOREACH (shared_ptr<Content> i, _content) {
- shared_ptr<SubtitleContent> sc = dynamic_pointer_cast<SubtitleContent> (i);
- if (!sc) {
+ if (!i->subtitle || find (placed.begin(), placed.end(), i) != placed.end()) {
continue;
}
- sc->set_position (next);
- next = sc->end();
+ i->set_position (next);
+ next = i->end();
}
string t;
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 ();
+ if (i->video || (i->subtitle && i->subtitle->burn())) {
+ t += i->identifier ();
}
}
- MD5Digester digester;
+ Digester digester;
digester.add (t.c_str(), t.length());
return digester.get ();
}
-/** @param node <Playlist> 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<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
{
reconnect ();
}
-/** @param node <Playlist> 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<Content> i, _content) {
- i->as_xml (node->add_child ("Content"));
+ i->as_xml (node->add_child ("Content"), with_content_paths);
}
}
};
int
-Playlist::best_dcp_frame_rate () const
+Playlist::best_video_frame_rate () const
{
list<int> const allowed_dcp_frame_rates = Config::instance()->allowed_dcp_frame_rates ();
float this_error = 0;
BOOST_FOREACH (shared_ptr<Content> j, _content) {
- shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (j);
- if (!vc || !vc->has_own_video_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 - vc->video_frame_rate ())),
- float (fabs (i->source - vc->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" */
{
DCPTime end;
BOOST_FOREACH (shared_ptr<Content> i, _content) {
- if (dynamic_pointer_cast<const VideoContent> (i)) {
+ if (i->video) {
end = max (end, i->end ());
}
}
{
DCPTime end;
BOOST_FOREACH (shared_ptr<Content> i, _content) {
- if (dynamic_pointer_cast<const SubtitleContent> (i)) {
+ if (i->subtitle) {
end = max (end, i->end ());
}
}
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) {
+ if (!(*i)->video) {
continue;
}
- if (vc->position() <= t) {
+ if ((*i)->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);
+ 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);
+ }
}
}
}
/* Put video before audio if they start at the same time */
- if (dynamic_pointer_cast<VideoContent>(a) && !dynamic_pointer_cast<VideoContent>(b)) {
+ if (a->video && !b->video) {
return true;
- } else if (!dynamic_pointer_cast<VideoContent>(a) && dynamic_pointer_cast<VideoContent>(b)) {
+ } else if (!a->video && b->video) {
return false;
}
/* 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<Content> i, _content) {
+ int score = 0;
+ optional<DCPTimePeriod> 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<Content> 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<Content> i, _content) {
+ if (!i->audio) {
+ continue;
+ }
+ if (i->position() <= time && time < i->end()) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+shared_ptr<Content>
+Playlist::next_audio_content (DCPTime time) const
+{
+ shared_ptr<Content> next;
+ DCPTime next_position;
+ BOOST_FOREACH (shared_ptr<Content> i, _content) {
+ if (!i->audio) {
+ continue;
+ }
+ if (i->position() >= time && (!next || i->position() < next_position)) {
+ next = i;
+ next_position = i->position();
+ }
+ }
+
+ return next;
+}
+
+pair<double, double>
+Playlist::speed_up_range (int dcp_video_frame_rate) const
+{
+ pair<double, double> range (DBL_MAX, -DBL_MAX);
+
+ BOOST_FOREACH (shared_ptr<Content> 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;
+}