DCPTime length () const;
int best_video_frame_rate () const;
FrameRateChange active_frame_rate_change (DCPTime) const;
+ std::pair<double, double> speed_up_range (int dcp_frame_rate) const;
dcp::EncryptedKDM make_kdm (
dcp::Certificate recipient,
/*
- Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2016-2017 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
#include <dcp/raw_convert.h>
#include <boost/foreach.hpp>
#include <boost/algorithm/string.hpp>
+#include <iostream>
#include "i18n.h"
using std::vector;
using std::string;
+using std::pair;
+using std::min;
using std::max;
+using std::cout;
using boost::shared_ptr;
using boost::optional;
hints.push_back (_("Your DCP uses an unusual container ratio. This may cause problems on some projectors. If possible, use Flat or Scope for the DCP container ratio"));
}
- if (film->video_frame_rate() != 24 && film->video_frame_rate() != 48) {
- hints.push_back (String::compose (_("Your DCP frame rate (%1 fps) may cause problems in a few (mostly older) projectors. Use 24 or 48 frames per second to be on the safe side."), film->video_frame_rate()));
- }
-
if (film->j2k_bandwidth() >= 245000000) {
hints.push_back (_("A few projectors have problems playing back very high bit-rate DCPs. It is a good idea to drop the JPEG2000 bandwidth down to about 200Mbit/s; this is unlikely to have any visible effect on the image."));
}
if (film->interop() && film->video_frame_rate() != 24 && film->video_frame_rate() != 48) {
- hints.push_back (_("You are set up for an Interop DCP at a frame rate which is not officially supported. You are advised to make a SMPTE DCP instead."));
+ string base = _("You are set up for an Interop DCP at a frame rate which is not officially supported. You are advised either to change the frame rate of your DCP or to make a SMPTE DCP instead.");
+ base += " ";
+ pair<double, double> range24 = film->speed_up_range (24);
+ pair<double, double> range48 = film->speed_up_range (48);
+ pair<double, double> range (max (range24.first, range48.first), min (range24.second, range48.second));
+ string h;
+ if (range.second > (29.0/24)) {
+ h = base;
+ h += _("However, setting your DCP frame rate to 24 or 48 will cause a significant speed-up of your content, and SMPTE DCPs are not be supported by all projectors.");
+ } else if (range.first < (24.0/29)) {
+ h = base;
+ h += _("However, setting your DCP frame rate to 24 or 48 will cause a significant slowdown of your content, and SMPTE DCPs are not supported by all projectors.");
+ } else {
+ h = _("You are set up for an Interop DCP at a frame rate which is not officially supported. You are advised either to change the frame rate of your DCP or to make a SMPTE DCP instead (although SMPTE DCPs are not supported by all projectors).");
+ }
+
+ hints.push_back (h);
}
int vob = 0;
return false;
}
+
+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;
+}
DCPTime subtitle_end () const;
FrameRateChange active_frame_rate_change (DCPTime, int dcp_frame_rate) const;
std::string content_summary (DCPTimePeriod period) const;
+ std::pair<double, double> speed_up_range (int dcp_video_frame_rate) const;
void set_sequence (bool);
void maybe_sequence ();