2 Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #include "hints_dialog.h"
23 #include "lib/ratio.h"
24 #include "lib/video_content.h"
25 #include "lib/subtitle_content.h"
27 #include "lib/content.h"
28 #include "lib/audio_analysis.h"
29 #include <wx/richtext/richtextctrl.h>
30 #include <boost/algorithm/string.hpp>
31 #include <boost/foreach.hpp>
32 #include <boost/make_shared.hpp>
35 using boost::shared_ptr;
36 using boost::make_shared;
37 using boost::optional;
38 using boost::dynamic_pointer_cast;
40 HintsDialog::HintsDialog (wxWindow* parent, boost::weak_ptr<Film> film)
41 : wxDialog (parent, wxID_ANY, _("Hints"))
44 wxBoxSizer* sizer = new wxBoxSizer (wxVERTICAL);
45 _text = new wxRichTextCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (400, 300), wxRE_READONLY);
46 sizer->Add (_text, 1, wxEXPAND | wxALL, 6);
48 wxSizer* buttons = CreateSeparatedButtonSizer (wxOK);
50 sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
55 sizer->SetSizeHints (this);
57 _text->GetCaret()->Hide ();
59 boost::shared_ptr<Film> locked_film = _film.lock ();
61 _film_changed_connection = locked_film->Changed.connect (boost::bind (&HintsDialog::film_changed, this));
62 _film_content_changed_connection = locked_film->ContentChanged.connect (boost::bind (&HintsDialog::film_changed, this));
69 HintsDialog::film_changed ()
74 boost::shared_ptr<Film> film = _film.lock ();
79 ContentList content = film->content ();
81 _text->BeginStandardBullet (N_("standard/circle"), 1, 50);
83 bool big_font_files = false;
84 if (film->interop ()) {
85 BOOST_FOREACH (shared_ptr<Content> i, content) {
87 BOOST_FOREACH (shared_ptr<Font> j, i->subtitle->fonts ()) {
88 for (int k = 0; k < FontFiles::VARIANTS; ++k) {
89 optional<boost::filesystem::path> const p = j->file (static_cast<FontFiles::Variant> (k));
90 if (p && boost::filesystem::file_size (p.get()) >= (640 * 1024)) {
91 big_font_files = true;
101 _text->WriteText (_("You have specified a font file which is larger than 640kB. This is very likely to cause problems on playback."));
104 if (film->audio_channels() < 6) {
106 _text->WriteText (_("Your DCP has fewer than 6 audio channels. This may cause problems on some projectors."));
110 int flat_or_narrower = 0;
112 BOOST_FOREACH (shared_ptr<const Content> i, content) {
114 Ratio const * r = i->video->scale().ratio ();
115 if (r && r->id() == "239") {
117 } else if (r && r->id() != "239" && r->id() != "full-frame") {
123 if (scope && !flat_or_narrower && film->container()->id() == "185") {
125 _text->WriteText (_("All of your content is in Scope (2.39:1) but your DCP's container is Flat (1.85:1). This will letter-box your content inside a Flat (1.85:1) frame. You may prefer to set your DCP's container to Scope (2.39:1) in the \"DCP\" tab."));
129 if (!scope && flat_or_narrower && film->container()->id() == "239") {
131 _text->WriteText (_("All of your content is at 1.85:1 or narrower but your DCP's container is Scope (2.39:1). This will pillar-box your content inside a Flat (1.85:1) frame. You may prefer to set your DCP's container to Flat (1.85:1) in the \"DCP\" tab."));
135 if (film->video_frame_rate() != 24 && film->video_frame_rate() != 48) {
137 _text->WriteText (wxString::Format (_("Your DCP frame rate (%d 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()));
141 if (film->j2k_bandwidth() >= 245000000) {
143 _text->WriteText (_("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."));
147 if (film->interop() && film->video_frame_rate() != 24 && film->video_frame_rate() != 48) {
149 _text->WriteText (_("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."));
154 BOOST_FOREACH (shared_ptr<const Content> i, content) {
155 if (boost::algorithm::starts_with (i->path(0).filename().string(), "VTS_")) {
162 _text->WriteText (wxString::Format (_("You have %d files that look like they are VOB files from DVD. You should join them to ensure smooth joins between the files."), vob));
167 BOOST_FOREACH (shared_ptr<const Content> i, content) {
168 if (i->video && i->video->frame_type() != VIDEO_FRAME_TYPE_2D) {
173 if (three_d > 0 && !film->three_d()) {
175 _text->WriteText (_("You are using 3D content but your DCP is set to 2D. Set the DCP to 3D if you want to play it back on a 3D system (e.g. Real-D, MasterImage etc.)"));
179 boost::filesystem::path path = film->audio_analysis_path (film->playlist ());
180 if (boost::filesystem::exists (path)) {
181 shared_ptr<AudioAnalysis> an = make_shared<AudioAnalysis> (path);
182 if (an->sample_peak() || an->true_peak()) {
183 float const peak = max (an->sample_peak().get_value_or(0), an->true_peak().get_value_or(0));
184 float const peak_dB = 20 * log10 (peak) + an->gain_correction (film->playlist ());
185 if (peak_dB > -3 && peak_dB < -0.5) {
187 _text->WriteText (_("Your audio level is very high. You should reduce the gain of your audio content."));
189 } else if (peak_dB > -0.5) {
191 _text->WriteText (_("Your audio level is very close to clipping. You should reduce the gain of your audio content."));
197 _text->EndSymbolBullet ();
200 _text->WriteText (_("There are no hints: everything looks good!"));