Untested use of Frame for video/audio content lengths.

[dcpomatic.git] / src / lib / dcp_examiner.cc

diff --git a/src/lib/dcp_examiner.cc b/src/lib/dcp_examiner.cc
index 625276e180de13f54a92a05b16f5e453f27e8d08..a0d13a7224bb42d090d0f26922f0ee8f99ef50f7 100644 (file)
--- 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) {
@@ -64,7 +81,7 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
                                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 ()) {
@@ -82,11 +99,36 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content)
                                throw DCPError (_("Mismatched audio frame 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 ()) {
                        _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);
+                       
+                       if (mono) {
+                               mono->get_frame(0)->xyz_image ();
+                       } else {
+                               stereo->get_frame(0)->xyz_image (dcp::EYE_LEFT);
+                       }
+                       
+               }
+       } 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"));
+               }
+       }
 }