/*
Copyright (C) 2013-2015 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 "content_factory.h"
#include "exceptions.h"
#include "film.h"
-#include "safe_stringstream.h"
#include "job.h"
#include "compose.hpp"
#include "raw_convert.h"
+#include <locked_sstream.h>
#include <libcxml/cxml.h>
#include <libxml++/libxml++.h>
#include <boost/thread/mutex.hpp>
int const ContentProperty::LENGTH = 402;
int const ContentProperty::TRIM_START = 403;
int const ContentProperty::TRIM_END = 404;
+int const ContentProperty::VIDEO_FRAME_RATE = 405;
Content::Content (shared_ptr<const Film> film)
: _film (film)
_position = DCPTime (node->number_child<DCPTime::Type> ("Position"));
_trim_start = ContentTime (node->number_child<ContentTime::Type> ("TrimStart"));
_trim_end = ContentTime (node->number_child<ContentTime::Type> ("TrimEnd"));
+ _video_frame_rate = node->optional_number_child<double> ("VideoFrameRate");
}
Content::Content (shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
, _position (c.front()->position ())
, _trim_start (c.front()->trim_start ())
, _trim_end (c.back()->trim_end ())
+ , _video_frame_rate (c.front()->video_frame_rate())
, _change_signals_frequent (false)
{
for (size_t i = 0; i < c.size(); ++i) {
throw JoinError (_("Only the last piece of content to be joined can have an end trim."));
}
+ if (
+ (_video_frame_rate && !c[i]->_video_frame_rate) ||
+ (!_video_frame_rate && c[i]->_video_frame_rate)
+ ) {
+ throw JoinError (_("Content to be joined must have the same video frame rate"));
+ }
+
+ if (_video_frame_rate && fabs (_video_frame_rate.get() - c[i]->_video_frame_rate.get()) > VIDEO_FRAME_RATE_EPSILON) {
+ throw JoinError (_("Content to be joined must have the same video frame rate"));
+ }
+
for (size_t j = 0; j < c[i]->number_of_paths(); ++j) {
_paths.push_back (c[i]->path (j));
}
node->add_child("Position")->add_child_text (raw_convert<string> (_position.get ()));
node->add_child("TrimStart")->add_child_text (raw_convert<string> (_trim_start.get ()));
node->add_child("TrimEnd")->add_child_text (raw_convert<string> (_trim_end.get ()));
+ if (_video_frame_rate) {
+ node->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate.get()));
+ }
}
void
lm.unlock ();
/* Some content files are very big, so we use a poor man's
- digest here: a MD5 of the first and last 1e6 bytes with the
+ digest here: a digest of the first and last 1e6 bytes with the
size of the first file tacked on the end as a string.
*/
- string const d = md5_digest_head_tail (p, 1000000) + raw_convert<string> (boost::filesystem::file_size (p.front ()));
+ string const d = digest_head_tail (p, 1000000) + raw_convert<string> (boost::filesystem::file_size (p.front ()));
lm.lock ();
_digest = d;
void
Content::signal_changed (int p)
{
- changed (p);
- emit (boost::bind (boost::ref (Changed), shared_from_this (), p, _change_signals_frequent));
+ try {
+ emit (boost::bind (boost::ref (Changed), shared_from_this (), p, _change_signals_frequent));
+ } catch (boost::bad_weak_ptr) {
+ /* This must be during construction; never mind */
+ }
}
void
string
Content::identifier () const
{
- SafeStringStream s;
+ locked_stringstream s;
s << Content::digest()
<< "_" << position().get()
t.push_back (position().round_up (film()->video_frame_rate()));
return t;
}
+
+void
+Content::set_video_frame_rate (double r)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _video_frame_rate = r;
+ }
+
+ signal_changed (ContentProperty::VIDEO_FRAME_RATE);
+}
+
+double
+Content::active_video_frame_rate () const
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_video_frame_rate) {
+ return _video_frame_rate.get ();
+ }
+ }
+
+ /* No frame rate specified, so assume this content has been
+ prepared for any concurrent video content or perhaps
+ just the DCP rate.
+ */
+ shared_ptr<const Film> film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+ return film->active_frame_rate_change(position()).source;
+}
+
+void
+Content::add_properties (list<UserProperty>& p) const
+{
+ p.push_back (UserProperty (UserProperty::GENERAL, _("Filename"), path(0).string ()));
+
+ if (_video_frame_rate) {
+ if (video) {
+ p.push_back (
+ UserProperty (
+ UserProperty::VIDEO,
+ _("Frame rate"),
+ raw_convert<string> (_video_frame_rate.get(), 5),
+ _("frames per second")
+ )
+ );
+ } else {
+ p.push_back (
+ UserProperty (
+ UserProperty::GENERAL,
+ _("Prepared for video frame rate"),
+ raw_convert<string> (_video_frame_rate.get(), 5),
+ _("frames per second")
+ )
+ );
+ }
+ }
+}
projects / dcpomatic.git / blobdiff