X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdcp_examiner.cc;h=536c9ec1ab81885a9c71f0ecfc332245a1845193;hb=b168d211622f94a5240c945c1df03b0bed48d3bc;hp=633e8e9d77a56409c89b7e41f3bfc172c8f12792;hpb=43877eccbedc0950ab253e76dd0cea691fd7a4b0;p=dcpomatic.git

diff --git a/src/lib/dcp_examiner.cc b/src/lib/dcp_examiner.cc
index 633e8e9d7..536c9ec1a 100644
--- a/src/lib/dcp_examiner.cc
+++ b/src/lib/dcp_examiner.cc
@@ -1,72 +1,148 @@
 /*
-    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2021 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 "dcp_examiner.h"
+
+#include "config.h"
 #include "dcp_content.h"
+#include "dcp_examiner.h"
+#include "dcpomatic_log.h"
 #include "exceptions.h"
 #include "image.h"
-#include "config.h"
-#include <dcp/dcp.h>
+#include "util.h"
 #include <dcp/cpl.h>
+#include <dcp/dcp.h>
+#include <dcp/decrypted_kdm.h>
+#include <dcp/mono_picture_asset.h>
+#include <dcp/mono_picture_asset_reader.h>
+#include <dcp/mono_picture_frame.h>
 #include <dcp/reel.h>
+#include <dcp/reel_atmos_asset.h>
+#include <dcp/reel_closed_caption_asset.h>
+#include <dcp/reel_markers_asset.h>
 #include <dcp/reel_picture_asset.h>
 #include <dcp/reel_sound_asset.h>
-#include <dcp/mono_picture_asset.h>
-#include <dcp/mono_picture_frame.h>
+#include <dcp/reel_subtitle_asset.h>
+#include <dcp/search.h>
+#include <dcp/sound_asset.h>
+#include <dcp/sound_asset.h>
+#include <dcp/sound_asset_reader.h>
 #include <dcp/stereo_picture_asset.h>
+#include <dcp/stereo_picture_asset_reader.h>
 #include <dcp/stereo_picture_frame.h>
-#include <dcp/sound_asset.h>
+#include <dcp/subtitle_asset.h>
+#include <iostream>
 
 #include "i18n.h"
 
-using std::list;
+
 using std::cout;
-using boost::shared_ptr;
-using boost::dynamic_pointer_cast;
-
-DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
-	: _video_length (0)
-	, _audio_length (0)
-	, _has_subtitles (false)
-	, _encrypted (false)
-	, _kdm_valid (false)
+using std::dynamic_pointer_cast;
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+using boost::optional;
+
+
+DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
 {
-	dcp::DCP dcp (content->directory ());
-	dcp.read ();
+	shared_ptr<dcp::CPL> selected_cpl;
 
-	if (content->kdm ()) {
-		dcp.add (dcp::DecryptedKDM (content->kdm().get(), Config::instance()->decryption_private_key ()));
+	auto cpls = dcp::find_and_resolve_cpls (content->directories(), tolerant);
+
+	if (content->cpl ()) {
+		/* Use the CPL that was specified, or that the content was using before */
+		auto iter = std::find_if(cpls.begin(), cpls.end(), [content](shared_ptr<dcp::CPL> cpl) { return cpl->id() == content->cpl().get(); });
+		if (iter == cpls.end()) {
+			throw CPLNotFoundError(content->cpl().get());
+		}
+		selected_cpl = *iter;
+	} else {
+		/* Choose the CPL with the fewest unsatisfied references */
+
+		int least_unsatisfied = INT_MAX;
+
+		for (auto cpl: cpls) {
+			int unsatisfied = 0;
+			for (auto reel: cpl->reels()) {
+				if (reel->main_picture() && !reel->main_picture()->asset_ref().resolved()) {
+					++unsatisfied;
+				}
+				if (reel->main_sound() && !reel->main_sound()->asset_ref().resolved()) {
+					++unsatisfied;
+				}
+				if (reel->main_subtitle() && !reel->main_subtitle()->asset_ref().resolved()) {
+					++unsatisfied;
+				}
+				if (reel->atmos() && !reel->atmos()->asset_ref().resolved()) {
+					++unsatisfied;
+				}
+			}
+
+			if (unsatisfied < least_unsatisfied) {
+				least_unsatisfied = unsatisfied;
+				selected_cpl = cpl;
+			}
+		}
 	}
 
-	if (dcp.cpls().size() == 0) {
+	if (!selected_cpl) {
 		throw DCPError ("No CPLs found in DCP");
-	} else if (dcp.cpls().size() > 1) {
-		throw DCPError ("Multiple CPLs found in DCP");
 	}
 
-	_name = dcp.cpls().front()->content_title_text ();
+	if (content->kdm()) {
+		selected_cpl->add(decrypt_kdm_with_helpful_error(content->kdm().get()));
+	}
+
+	_cpl = selected_cpl->id();
+	_name = selected_cpl->content_title_text();
+	_content_kind = selected_cpl->content_kind();
+
+	LOG_GENERAL ("Selected CPL %1", _cpl);
+
+	auto try_to_parse_language = [](optional<string> lang) -> boost::optional<dcp::LanguageTag> {
+		try {
+			if (lang) {
+				return dcp::LanguageTag (*lang);
+			}
+		} catch (...) {}
+		return boost::none;
+	};
+
+	LOG_GENERAL("Looking at %1 reels", selected_cpl->reels().size());
+
+	for (auto reel: selected_cpl->reels()) {
+		LOG_GENERAL("Reel %1", reel->id());
+		vector<shared_ptr<dcpomatic::Font>> reel_fonts;
+
+		if (reel->main_picture()) {
+			if (!reel->main_picture()->asset_ref().resolved()) {
+				/* We are missing this asset so we can't continue; examination will be repeated later */
+				_needs_assets = true;
+				LOG_GENERAL("Main picture %1 of reel %2 is missing", reel->main_picture()->id(), reel->id());
+				return;
+			}
 
-	list<shared_ptr<dcp::Reel> > reels = dcp.cpls().front()->reels ();
-	for (list<shared_ptr<dcp::Reel> >::const_iterator i = reels.begin(); i != reels.end(); ++i) {
+			LOG_GENERAL("Main picture %1 of reel %2 found", reel->main_picture()->id(), reel->id());
 
-		if ((*i)->main_picture ()) {
-			dcp::Fraction const frac = (*i)->main_picture()->frame_rate ();
+			auto const frac = reel->main_picture()->edit_rate();
 			float const fr = float(frac.numerator) / frac.denominator;
 			if (!_video_frame_rate) {
 				_video_frame_rate = fr;
@@ -74,18 +150,29 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
 				throw DCPError (_("Mismatched frame rates in DCP"));
 			}
 
-			shared_ptr<dcp::PictureAsset> asset = (*i)->main_picture()->asset ();
+			_has_video = true;
+			auto asset = reel->main_picture()->asset();
 			if (!_video_size) {
 				_video_size = asset->size ();
 			} else if (_video_size.get() != asset->size ()) {
 				throw DCPError (_("Mismatched video sizes in DCP"));
 			}
 
-			_video_length += (*i)->main_picture()->duration();
+			_video_length += reel->main_picture()->actual_duration();
 		}
 
-		if ((*i)->main_sound ()) {
-			shared_ptr<dcp::SoundAsset> asset = (*i)->main_sound()->asset ();
+		if (reel->main_sound()) {
+			if (!reel->main_sound()->asset_ref().resolved()) {
+				/* We are missing this asset so we can't continue; examination will be repeated later */
+				_needs_assets = true;
+				LOG_GENERAL("Main sound %1 of reel %2 is missing", reel->main_sound()->id(), reel->id());
+				return;
+			}
+
+			LOG_GENERAL("Main sound %1 of reel %2 found", reel->main_sound()->id(), reel->id());
+
+			_has_audio = true;
+			auto asset = reel->main_sound()->asset();
 
 			if (!_audio_channels) {
 				_audio_channels = asset->channels ();
@@ -96,39 +183,160 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
 			if (!_audio_frame_rate) {
 				_audio_frame_rate = asset->sampling_rate ();
 			} else if (_audio_frame_rate.get() != asset->sampling_rate ()) {
-				throw DCPError (_("Mismatched audio frame rates in DCP"));
+				throw DCPError (_("Mismatched audio sample rates in DCP"));
+			}
+
+			_audio_length += reel->main_sound()->actual_duration();
+			_audio_language = try_to_parse_language (asset->language());
+		}
+
+		if (reel->main_subtitle()) {
+			if (!reel->main_subtitle()->asset_ref().resolved()) {
+				/* We are missing this asset so we can't continue; examination will be repeated later */
+				_needs_assets = true;
+				LOG_GENERAL("Main subtitle %1 of reel %2 is missing", reel->main_subtitle()->id(), reel->id());
+				return;
+			}
+
+			LOG_GENERAL("Main subtitle %1 of reel %2 found", reel->main_subtitle()->id(), reel->id());
+
+			_text_count[TextType::OPEN_SUBTITLE] = 1;
+			_open_subtitle_language = try_to_parse_language(reel->main_subtitle()->language());
+
+			for (auto const& font: reel->main_subtitle()->asset()->font_data()) {
+				reel_fonts.push_back(make_shared<dcpomatic::Font>(font.first, font.second));
+			}
+		}
+
+		for (auto ccap: reel->closed_captions()) {
+			if (!ccap->asset_ref().resolved()) {
+				/* We are missing this asset so we can't continue; examination will be repeated later */
+				_needs_assets = true;
+				LOG_GENERAL("Closed caption %1 of reel %2 is missing", ccap->id(), reel->id());
+				return;
 			}
 
-			_audio_length += (*i)->main_sound()->duration();
+			LOG_GENERAL("Closed caption %1 of reel %2 found", ccap->id(), reel->id());
+
+			_text_count[TextType::CLOSED_CAPTION]++;
+			_dcp_text_tracks.push_back(DCPTextTrack(ccap->annotation_text().get_value_or(""), try_to_parse_language(ccap->language())));
+		}
+
+		if (reel->main_markers ()) {
+			auto rm = reel->main_markers()->get();
+			_markers.insert (rm.begin(), rm.end());
 		}
 
-		if ((*i)->main_subtitle ()) {
-			_has_subtitles = true;
+		if (reel->atmos()) {
+			_has_atmos = true;
+			_atmos_length += reel->atmos()->actual_duration();
+			if (_atmos_edit_rate != dcp::Fraction()) {
+				DCPOMATIC_ASSERT(reel->atmos()->edit_rate() == _atmos_edit_rate);
+			}
+			_atmos_edit_rate = reel->atmos()->edit_rate();
 		}
+
+		if (reel->main_picture()) {
+			_reel_lengths.push_back(reel->main_picture()->actual_duration());
+		} else if (reel->main_sound()) {
+			_reel_lengths.push_back(reel->main_sound()->actual_duration());
+		} else if (reel->main_subtitle()) {
+			_reel_lengths.push_back(reel->main_subtitle()->actual_duration());
+		} else if (!reel->closed_captions().empty()) {
+			_reel_lengths.push_back(reel->closed_captions().front()->actual_duration());
+		} else if (!reel->atmos()) {
+			_reel_lengths.push_back(reel->atmos()->actual_duration());
+		}
+
+		if (reel_fonts.empty()) {
+			reel_fonts.push_back(make_shared<dcpomatic::Font>(""));
+		}
+
+		_fonts.push_back(reel_fonts);
 	}
 
-	_encrypted = dcp.encrypted ();
+	_encrypted = selected_cpl->any_encrypted();
 	_kdm_valid = true;
 
-	/* Check that we can read the first picture frame */
+	LOG_GENERAL_NC ("Check that everything encrypted has a key");
+
+	/* Check first that anything encrypted has a key.  We must do this, as if we try to
+	 * read encrypted data with asdcplib without even offering a key it will just return
+	 * the encrypted data.  Secondly, check that we can read the first thing from each
+	 * asset in each reel.  This checks that when we do have a key it's the right one.
+	 */
 	try {
-		if (!dcp.cpls().empty () && !dcp.cpls().front()->reels().empty ()) {
-			shared_ptr<dcp::PictureAsset> asset = dcp.cpls().front()->reels().front()->main_picture()->asset ();
-			shared_ptr<dcp::MonoPictureAsset> mono = dynamic_pointer_cast<dcp::MonoPictureAsset> (asset);
-			shared_ptr<dcp::StereoPictureAsset> stereo = dynamic_pointer_cast<dcp::StereoPictureAsset> (asset);
+		for (auto i: selected_cpl->reels()) {
+			LOG_GENERAL ("Reel %1", i->id());
+			auto pic = i->main_picture()->asset();
+			if (pic->encrypted() && !pic->key()) {
+				_kdm_valid = false;
+				LOG_GENERAL_NC ("Picture has no key");
+				break;
+			}
+			auto mono = dynamic_pointer_cast<dcp::MonoPictureAsset>(pic);
+			auto stereo = dynamic_pointer_cast<dcp::StereoPictureAsset>(pic);
 
 			if (mono) {
-				mono->get_frame(0)->xyz_image ();
+				auto reader = mono->start_read();
+				reader->set_check_hmac (false);
+				reader->get_frame(0)->xyz_image();
 			} else {
-				stereo->get_frame(0)->xyz_image (dcp::EYE_LEFT);
+				auto reader = stereo->start_read();
+				reader->set_check_hmac (false);
+				reader->get_frame(0)->xyz_image(dcp::Eye::LEFT);
+			}
+
+			if (i->main_sound()) {
+				auto sound = i->main_sound()->asset ();
+				if (sound->encrypted() && !sound->key()) {
+					_kdm_valid = false;
+					LOG_GENERAL_NC ("Sound has no key");
+					break;
+				}
+				auto reader = i->main_sound()->asset()->start_read();
+				reader->set_check_hmac (false);
+				reader->get_frame(0);
 			}
 
+			if (i->main_subtitle()) {
+				auto sub = i->main_subtitle()->asset();
+				auto mxf_sub = dynamic_pointer_cast<dcp::MXF>(sub);
+				if (mxf_sub && mxf_sub->encrypted() && !mxf_sub->key()) {
+					_kdm_valid = false;
+					LOG_GENERAL_NC ("Subtitle has no key");
+					break;
+				}
+				sub->subtitles ();
+			}
+
+			if (i->atmos()) {
+				auto atmos = i->atmos()->asset();
+				if (atmos->encrypted() && !atmos->key()) {
+					_kdm_valid = false;
+					LOG_GENERAL_NC ("ATMOS sound has no key");
+					break;
+				}
+				auto reader = atmos->start_read();
+				reader->set_check_hmac (false);
+				reader->get_frame(0);
+			}
 		}
-	} catch (dcp::DCPReadError& e) {
+	} catch (dcp::ReadError& e) {
 		_kdm_valid = false;
-		if (_encrypted && content->kdm ()) {
-			/* XXX: maybe don't use an exception for this */
-			throw StringError (_("The KDM does not decrypt the DCP.  Perhaps it is targeted at the wrong CPL."));
-		}
+		LOG_GENERAL ("KDM is invalid: %1", e.what());
+	} catch (dcp::MiscError& e) {
+		_kdm_valid = false;
+		LOG_GENERAL ("KDM is invalid: %1", e.what());
+	}
+
+	_standard = selected_cpl->standard();
+	_three_d = !selected_cpl->reels().empty() && selected_cpl->reels().front()->main_picture() &&
+		dynamic_pointer_cast<dcp::StereoPictureAsset>(selected_cpl->reels().front()->main_picture()->asset());
+	_ratings = selected_cpl->ratings();
+	for (auto version: selected_cpl->content_versions()) {
+		_content_versions.push_back(version.label_text);
 	}
+
+	_cpl = selected_cpl->id();
 }