X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdcp_examiner.cc;h=de7e9539976c08ff94c7dae4c567b625adb92197;hb=a5095486e606adfe36de635a48710cf98872c1c6;hp=3051a46701265d714a4d6084226a1378f2eda183;hpb=0dc52cd6e69890cd8a2c539e80389ea8bac5cc3c;p=dcpomatic.git

diff --git a/src/lib/dcp_examiner.cc b/src/lib/dcp_examiner.cc
index 3051a4670..de7e95399 100644
--- a/src/lib/dcp_examiner.cc
+++ b/src/lib/dcp_examiner.cc
@@ -17,26 +17,43 @@
 
 */
 
+#include "dcp_examiner.h"
+#include "dcp_content.h"
+#include "exceptions.h"
+#include "image.h"
+#include "config.h"
 #include <dcp/dcp.h>
 #include <dcp/cpl.h>
 #include <dcp/reel.h>
 #include <dcp/reel_picture_asset.h>
 #include <dcp/reel_sound_asset.h>
+#include <dcp/mono_picture_mxf.h>
+#include <dcp/mono_picture_frame.h>
+#include <dcp/stereo_picture_mxf.h>
+#include <dcp/stereo_picture_frame.h>
 #include <dcp/sound_mxf.h>
-#include "dcp_examiner.h"
-#include "dcp_content.h"
-#include "exceptions.h"
 
 #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)
 {
 	dcp::DCP dcp (content->directory ());
 	dcp.read ();
 
+	if (content->kdm ()) {
+		dcp.add (dcp::DecryptedKDM (content->kdm().get(), Config::instance()->decryption_private_key ()));
+	}
+
 	if (dcp.cpls().size() == 0) {
 		throw DCPError ("No CPLs found in DCP");
 	} else if (dcp.cpls().size() > 1) {
@@ -81,6 +98,39 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
 			} else if (_audio_frame_rate.get() != mxf->sampling_rate ()) {
 				throw DCPError (_("Mismatched audio frame rates in DCP"));
 			}
+
+			_audio_length += ContentTime::from_frames ((*i)->main_sound()->duration(), _video_frame_rate.get ());
+		}
+
+		if ((*i)->main_subtitle ()) {
+			_has_subtitles = true;
+		}
+	}
+
+	_encrypted = dcp.encrypted ();
+	_kdm_valid = true;
+	
+	/* Check that we can read the first picture frame */
+	try {
+		if (!dcp.cpls().empty () && !dcp.cpls().front()->reels().empty ()) {
+			shared_ptr<dcp::PictureMXF> mxf = dcp.cpls().front()->reels().front()->main_picture()->mxf ();
+			shared_ptr<dcp::MonoPictureMXF> mono = dynamic_pointer_cast<dcp::MonoPictureMXF> (mxf);
+			shared_ptr<dcp::StereoPictureMXF> stereo = dynamic_pointer_cast<dcp::StereoPictureMXF> (mxf);
+			
+			shared_ptr<Image> image (new Image (PIX_FMT_RGB48LE, _video_size.get(), false));
+			
+			if (mono) {
+				mono->get_frame(0)->rgb_frame (reinterpret_cast<uint16_t*> (image->data()[0]));
+			} else {
+				stereo->get_frame(0)->rgb_frame (dcp::EYE_LEFT, reinterpret_cast<uint16_t*> (image->data()[0]));
+			}
+			
+		}
+	} catch (dcp::DCPReadError& 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"));
 		}
 	}
 }