2 Copyright (C) 2014-2016 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 "dcp_content.h"
22 #include "video_content.h"
23 #include "audio_content.h"
24 #include "dcp_examiner.h"
29 #include "compose.hpp"
30 #include "dcp_decoder.h"
31 #include "subtitle_content.h"
33 #include <dcp/exceptions.h>
34 #include <dcp/reel_picture_asset.h>
36 #include <libxml++/libxml++.h>
37 #include <boost/foreach.hpp>
49 using boost::shared_ptr;
50 using boost::scoped_ptr;
51 using boost::optional;
52 using boost::function;
54 int const DCPContentProperty::CAN_BE_PLAYED = 600;
55 int const DCPContentProperty::REFERENCE_VIDEO = 601;
56 int const DCPContentProperty::REFERENCE_AUDIO = 602;
57 int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
59 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
63 , _reference_video (false)
64 , _reference_audio (false)
65 , _reference_subtitle (false)
68 video.reset (new VideoContent (this));
69 audio.reset (new AudioContent (this));
72 set_default_colour_conversion ();
75 DCPContent::DCPContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
76 : Content (film, node)
78 video = VideoContent::from_xml (this, node, version);
79 audio = AudioContent::from_xml (this, node, version);
80 subtitle = SubtitleContent::from_xml (this, node, version);
85 node->number_child<int> ("AudioFrameRate"),
86 node->number_child<Frame> ("AudioLength"),
87 AudioMapping (node->node_child ("AudioMapping"), version)
92 _name = node->string_child ("Name");
94 _encrypted = node->bool_child ("Encrypted");
95 if (node->optional_node_child ("KDM")) {
96 _kdm = dcp::EncryptedKDM (node->string_child ("KDM"));
98 _kdm_valid = node->bool_child ("KDMValid");
99 _reference_video = node->optional_bool_child ("ReferenceVideo").get_value_or (false);
100 _reference_audio = node->optional_bool_child ("ReferenceAudio").get_value_or (false);
101 _reference_subtitle = node->optional_bool_child ("ReferenceSubtitle").get_value_or (false);
102 if (node->optional_string_child("Standard")) {
103 string const s = node->optional_string_child("Standard").get();
104 if (s == "Interop") {
105 _standard = dcp::INTEROP;
106 } else if (s == "SMPTE") {
107 _standard = dcp::SMPTE;
109 DCPOMATIC_ASSERT (false);
112 _three_d = node->optional_bool_child("ThreeD").get_value_or (false);
116 DCPContent::read_directory (boost::filesystem::path p)
118 for (boost::filesystem::directory_iterator i(p); i != boost::filesystem::directory_iterator(); ++i) {
119 if (boost::filesystem::is_regular_file (i->path ())) {
120 _paths.push_back (i->path ());
121 } else if (boost::filesystem::is_directory (i->path ())) {
122 read_directory (i->path ());
128 DCPContent::examine (shared_ptr<Job> job)
130 bool const could_be_played = can_be_played ();
132 job->set_progress_unknown ();
133 Content::examine (job);
135 shared_ptr<DCPExaminer> examiner (new DCPExaminer (shared_from_this ()));
136 video->take_from_examiner (examiner);
137 set_default_colour_conversion ();
140 boost::mutex::scoped_lock lm (_mutex);
142 AudioStreamPtr as (new AudioStream (examiner->audio_frame_rate(), examiner->audio_length(), examiner->audio_channels()));
143 audio->set_stream (as);
144 AudioMapping m = as->mapping ();
145 film()->make_audio_mapping_default (m);
149 signal_changed (AudioContentProperty::STREAMS);
152 boost::mutex::scoped_lock lm (_mutex);
153 _name = examiner->name ();
154 if (examiner->has_subtitles ()) {
155 subtitle.reset (new SubtitleContent (this));
157 _encrypted = examiner->encrypted ();
158 _kdm_valid = examiner->kdm_valid ();
159 _standard = examiner->standard ();
160 _three_d = examiner->three_d ();
163 if (could_be_played != can_be_played ()) {
164 signal_changed (DCPContentProperty::CAN_BE_PLAYED);
167 video->set_frame_type (_three_d ? VIDEO_FRAME_TYPE_3D : VIDEO_FRAME_TYPE_2D);
171 DCPContent::summary () const
173 boost::mutex::scoped_lock lm (_mutex);
174 return String::compose (_("%1 [DCP]"), _name);
178 DCPContent::technical_summary () const
180 return Content::technical_summary() + " - "
181 + video->technical_summary() + " - "
182 + audio->technical_summary() + " - ";
186 DCPContent::as_xml (xmlpp::Node* node) const
188 node->add_child("Type")->add_child_text ("DCP");
190 Content::as_xml (node);
193 video->as_xml (node);
197 audio->as_xml (node);
198 node->add_child("AudioFrameRate")->add_child_text (raw_convert<string> (audio->stream()->frame_rate()));
199 node->add_child("AudioLength")->add_child_text (raw_convert<string> (audio->stream()->length()));
200 audio->stream()->mapping().as_xml (node->add_child("AudioMapping"));
204 subtitle->as_xml (node);
207 boost::mutex::scoped_lock lm (_mutex);
208 node->add_child("Name")->add_child_text (_name);
209 node->add_child("Encrypted")->add_child_text (_encrypted ? "1" : "0");
211 node->add_child("KDM")->add_child_text (_kdm->as_xml ());
213 node->add_child("KDMValid")->add_child_text (_kdm_valid ? "1" : "0");
214 node->add_child("ReferenceVideo")->add_child_text (_reference_video ? "1" : "0");
215 node->add_child("ReferenceAudio")->add_child_text (_reference_audio ? "1" : "0");
216 node->add_child("ReferenceSubtitle")->add_child_text (_reference_subtitle ? "1" : "0");
218 switch (_standard.get ()) {
220 node->add_child("Standard")->add_child_text ("Interop");
223 node->add_child("Standard")->add_child_text ("SMPTE");
226 DCPOMATIC_ASSERT (false);
229 node->add_child("ThreeD")->add_child_text (_three_d ? "1" : "0");
233 DCPContent::full_length () const
235 FrameRateChange const frc (active_video_frame_rate (), film()->video_frame_rate ());
236 return DCPTime::from_frames (llrint (video->length () * frc.factor ()), film()->video_frame_rate ());
240 DCPContent::identifier () const
243 s << Content::identifier() << "_" << video->identifier() << "_";
245 s << subtitle->identifier () << " ";
247 s << (_reference_video ? "1" : "0")
248 << (_reference_subtitle ? "1" : "0");
253 DCPContent::add_kdm (dcp::EncryptedKDM k)
259 DCPContent::can_be_played () const
261 boost::mutex::scoped_lock lm (_mutex);
262 return !_encrypted || _kdm_valid;
265 boost::filesystem::path
266 DCPContent::directory () const
268 optional<size_t> smallest;
269 boost::filesystem::path dir;
270 for (size_t i = 0; i < number_of_paths(); ++i) {
271 boost::filesystem::path const p = path (i).parent_path ();
272 size_t const d = distance (p.begin(), p.end());
273 if (!smallest || d < smallest.get ()) {
282 DCPContent::add_properties (list<UserProperty>& p) const
284 Content::add_properties (p);
285 video->add_properties (p);
286 audio->add_properties (p);
290 DCPContent::set_default_colour_conversion ()
292 /* Default to no colour conversion for DCPs */
293 video->unset_colour_conversion ();
297 DCPContent::set_reference_video (bool r)
300 boost::mutex::scoped_lock lm (_mutex);
301 _reference_video = r;
304 signal_changed (DCPContentProperty::REFERENCE_VIDEO);
308 DCPContent::set_reference_audio (bool r)
311 boost::mutex::scoped_lock lm (_mutex);
312 _reference_audio = r;
315 signal_changed (DCPContentProperty::REFERENCE_AUDIO);
319 DCPContent::set_reference_subtitle (bool r)
322 boost::mutex::scoped_lock lm (_mutex);
323 _reference_subtitle = r;
326 signal_changed (DCPContentProperty::REFERENCE_SUBTITLE);
330 DCPContent::reels () const
332 list<DCPTimePeriod> p;
333 scoped_ptr<DCPDecoder> decoder;
335 decoder.reset (new DCPDecoder (shared_from_this(), film()->log(), false));
337 /* Could not load the DCP; guess reels */
338 list<DCPTimePeriod> p;
339 p.push_back (DCPTimePeriod (position(), end()));
343 DCPTime from = position ();
344 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels()) {
345 DCPTime const to = from + DCPTime::from_frames (i->main_picture()->duration(), film()->video_frame_rate());
346 p.push_back (DCPTimePeriod (from, to));
354 DCPContent::reel_split_points () const
357 BOOST_FOREACH (DCPTimePeriod i, reels()) {
358 s.push_back (i.from);
364 DCPContent::can_reference (function<shared_ptr<ContentPart> (shared_ptr<const Content>)> part, string overlapping, list<string>& why_not) const
366 /* We must be using the same standard as the film */
368 if (_standard.get() == dcp::INTEROP && !film()->interop()) {
369 why_not.push_back (_("The film is set to SMPTE and this DCP is Interop."));
371 } else if (_standard.get() == dcp::SMPTE && film()->interop()) {
372 why_not.push_back (_("The film is set to Interop and this DCP is SMPTE."));
377 list<DCPTimePeriod> const fr = film()->reels ();
378 /* fr must contain reels(). It can also contain other reels, but it must at
379 least contain reels().
381 BOOST_FOREACH (DCPTimePeriod i, reels()) {
382 if (find (fr.begin(), fr.end(), i) == fr.end ()) {
383 why_not.push_back (_("Reel lengths in the film differ from those in the DCP; set the reel mode to 'split by video content'."));
388 ContentList a = overlaps (film()->content(), part, position(), end());
389 if (a.size() != 1 || a.front().get() != this) {
390 why_not.push_back (overlapping);
398 DCPContent::can_reference_video (list<string>& why_not) const
400 return can_reference (bind (&Content::video, _1), _("There is other video content overlapping this DCP; remove it."), why_not);
404 DCPContent::can_reference_audio (list<string>& why_not) const
406 DCPDecoder decoder (shared_from_this(), film()->log(), false);
407 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
408 if (!i->main_sound()) {
409 why_not.push_back (_("The DCP does not have sound in all reels."));
414 return can_reference (bind (&Content::audio, _1), _("There is other audio content overlapping this DCP; remove it."), why_not);
418 DCPContent::can_reference_subtitle (list<string>& why_not) const
420 DCPDecoder decoder (shared_from_this(), film()->log(), false);
421 BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
422 if (!i->main_subtitle()) {
423 why_not.push_back (_("The DCP does not have subtitles in all reels."));
428 return can_reference (bind (&Content::subtitle, _1), _("There is other subtitle content overlapping this DCP; remove it."), why_not);