X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdcp_examiner.cc;h=e25583cb69064b9ac3dd2fdb7352ab17c13efece;hb=8457b7c1066da4e14f00a76f3855e60d986b179f;hp=625276e180de13f54a92a05b16f5e453f27e8d08;hpb=d2137ac5db409e686b4d9b3fa567935a5e416d41;p=dcpomatic.git

diff --git a/src/lib/dcp_examiner.cc b/src/lib/dcp_examiner.cc
index 625276e18..e25583cb6 100644
--- a/src/lib/dcp_examiner.cc
+++ b/src/lib/dcp_examiner.cc
@@ -1,55 +1,118 @@
 /*
     Copyright (C) 2014 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 "dcp_content.h"
+#include "exceptions.h"
+#include "image.h"
+#include "config.h"
 #include <dcp/dcp.h>
+#include <dcp/decrypted_kdm.h>
 #include <dcp/cpl.h>
 #include <dcp/reel.h>
 #include <dcp/reel_picture_asset.h>
 #include <dcp/reel_sound_asset.h>
-#include <dcp/sound_mxf.h>
-#include "dcp_examiner.h"
-#include "dcp_content.h"
-#include "exceptions.h"
+#include <dcp/mono_picture_asset.h>
+#include <dcp/mono_picture_asset_reader.h>
+#include <dcp/mono_picture_frame.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/sound_asset_reader.h>
+#include <dcp/subtitle_asset.h>
+#include <dcp/reel_subtitle_asset.h>
+#include <dcp/sound_asset.h>
+#include <boost/foreach.hpp>
+#include <iostream>
 
 #include "i18n.h"
 
 using std::list;
+using std::cout;
+using std::runtime_error;
 using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
 
 DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
+	: DCP (content)
+	, _video_length (0)
+	, _audio_length (0)
+	, _has_subtitles (false)
+	, _encrypted (false)
+	, _needs_assets (false)
+	, _kdm_valid (false)
+	, _three_d (false)
 {
-	dcp::DCP dcp (content->directory ());
-	dcp.read ();
+	shared_ptr<dcp::CPL> cpl;
+
+	if (content->cpl ()) {
+		/* Use the CPL that the content was using before */
+		BOOST_FOREACH (shared_ptr<dcp::CPL> i, cpls()) {
+			if (i->id() == content->cpl().get()) {
+				cpl = i;
+			}
+		}
+	} else {
+		/* Choose the CPL with the fewest unsatisfied references */
+
+		int least_unsatisfied = INT_MAX;
+
+		BOOST_FOREACH (shared_ptr<dcp::CPL> i, cpls()) {
+			int unsatisfied = 0;
+			BOOST_FOREACH (shared_ptr<dcp::Reel> j, i->reels()) {
+				if (j->main_picture() && !j->main_picture()->asset_ref().resolved()) {
+					++unsatisfied;
+				}
+				if (j->main_sound() && !j->main_sound()->asset_ref().resolved()) {
+					++unsatisfied;
+				}
+				if (j->main_subtitle() && !j->main_subtitle()->asset_ref().resolved()) {
+					++unsatisfied;
+				}
+			}
 
-	if (dcp.cpls().size() == 0) {
+			if (unsatisfied < least_unsatisfied) {
+				least_unsatisfied = unsatisfied;
+				cpl = i;
+			}
+		}
+	}
+
+	if (!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 ();
+	_cpl = cpl->id ();
+	_name = cpl->content_title_text ();
+
+	BOOST_FOREACH (shared_ptr<dcp::Reel> i, cpl->reels()) {
 
-	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) {
+		if (i->main_picture ()) {
+			if (!i->main_picture()->asset_ref().resolved()) {
+				/* We are missing this asset so we can't continue; examination will be repeated later */
+				_needs_assets = true;
+				return;
+			}
 
-		if ((*i)->main_picture ()) {
-			dcp::Fraction const frac = (*i)->main_picture()->frame_rate ();
+			dcp::Fraction const frac = i->main_picture()->edit_rate ();
 			float const fr = float(frac.numerator) / frac.denominator;
 			if (!_video_frame_rate) {
 				_video_frame_rate = fr;
@@ -57,36 +120,88 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
 				throw DCPError (_("Mismatched frame rates in DCP"));
 			}
 
-			shared_ptr<dcp::PictureMXF> mxf = (*i)->main_picture()->mxf ();
+			shared_ptr<dcp::PictureAsset> asset = i->main_picture()->asset ();
 			if (!_video_size) {
-				_video_size = mxf->size ();
-			} else if (_video_size.get() != mxf->size ()) {
+				_video_size = asset->size ();
+			} else if (_video_size.get() != asset->size ()) {
 				throw DCPError (_("Mismatched video sizes in DCP"));
 			}
 
-			_video_length += ContentTime::from_frames ((*i)->main_picture()->duration(), _video_frame_rate.get ());
+			_video_length += i->main_picture()->duration();
 		}
-			
-		if ((*i)->main_sound ()) {
-			shared_ptr<dcp::SoundMXF> mxf = (*i)->main_sound()->mxf ();
+
+		if (i->main_sound ()) {
+			if (!i->main_sound()->asset_ref().resolved()) {
+				/* We are missing this asset so we can't continue; examination will be repeated later */
+				_needs_assets = true;
+				return;
+			}
+
+			shared_ptr<dcp::SoundAsset> asset = i->main_sound()->asset ();
 
 			if (!_audio_channels) {
-				_audio_channels = mxf->channels ();
-			} else if (_audio_channels.get() != mxf->channels ()) {
+				_audio_channels = asset->channels ();
+			} else if (_audio_channels.get() != asset->channels ()) {
 				throw DCPError (_("Mismatched audio channel counts in DCP"));
 			}
 
 			if (!_audio_frame_rate) {
-				_audio_frame_rate = mxf->sampling_rate ();
-			} else if (_audio_frame_rate.get() != mxf->sampling_rate ()) {
-				throw DCPError (_("Mismatched audio frame rates in DCP"));
+				_audio_frame_rate = asset->sampling_rate ();
+			} else if (_audio_frame_rate.get() != asset->sampling_rate ()) {
+				throw DCPError (_("Mismatched audio sample rates in DCP"));
 			}
 
-			_audio_length += ContentTime::from_frames ((*i)->main_sound()->duration(), _video_frame_rate.get ());
+			_audio_length += i->main_sound()->duration();
 		}
 
-		if ((*i)->main_subtitle ()) {
+		if (i->main_subtitle ()) {
+			if (!i->main_subtitle()->asset_ref().resolved()) {
+				/* We are missing this asset so we can't continue; examination will be repeated later */
+				_needs_assets = true;
+				return;
+			}
+
 			_has_subtitles = true;
 		}
 	}
+
+	_encrypted = cpl->encrypted ();
+	_kdm_valid = true;
+
+	/* Check that we can read the first picture, sound and subtitle frames of each reel */
+	try {
+		BOOST_FOREACH (shared_ptr<dcp::Reel> i, cpl->reels()) {
+			shared_ptr<dcp::PictureAsset> pic = i->main_picture()->asset ();
+			shared_ptr<dcp::MonoPictureAsset> mono = dynamic_pointer_cast<dcp::MonoPictureAsset> (pic);
+			shared_ptr<dcp::StereoPictureAsset> stereo = dynamic_pointer_cast<dcp::StereoPictureAsset> (pic);
+
+			if (mono) {
+				mono->start_read()->get_frame(0)->xyz_image ();
+			} else {
+				stereo->start_read()->get_frame(0)->xyz_image (dcp::EYE_LEFT);
+			}
+
+			if (i->main_sound()) {
+				shared_ptr<dcp::SoundAsset> sound = i->main_sound()->asset ();
+				i->main_sound()->asset()->start_read()->get_frame(0);
+			}
+
+			if (i->main_subtitle()) {
+				i->main_subtitle()->asset()->subtitles ();
+			}
+		}
+	} catch (dcp::DCPReadError& e) {
+		_kdm_valid = false;
+		if (_encrypted && content->kdm ()) {
+			/* XXX: maybe don't use an exception for this */
+			throw runtime_error (_("The KDM does not decrypt the DCP.  Perhaps it is targeted at the wrong CPL."));
+		}
+	}
+
+	DCPOMATIC_ASSERT (cpl->standard ());
+	_standard = cpl->standard().get();
+	_three_d = !cpl->reels().empty() && cpl->reels().front()->main_picture() &&
+		dynamic_pointer_cast<dcp::StereoPictureAsset> (cpl->reels().front()->main_picture()->asset());
+
+	_cpl = cpl->id ();
 }