Give a better error if a specified CPL does not exist.
[dcpomatic.git] / src / lib / dcp_examiner.cc
index e290a966a9b4f58e3c115bea9bed222153d91200..5de8c89050caf391ed57848e64d433ed9414f7e9 100644 (file)
 */
 
 
-#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 "util.h"
+#include <dcp/cpl.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/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.h>
 #include <dcp/reel_atmos_asset.h>
-#include <dcp/reel_subtitle_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/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/subtitle_asset.h>
 #include <iostream>
 
 #include "i18n.h"
 
 using std::cout;
 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 (content, tolerant)
 {
        shared_ptr<dcp::CPL> cpl;
 
@@ -66,19 +69,21 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                _text_count[i] = 0;
        }
 
+       auto cpls = dcp::find_and_resolve_cpls (content->directories(), tolerant);
+
        if (content->cpl ()) {
-               /* Use the CPL that the content was using before */
-               for (auto i: cpls()) {
-                       if (i->id() == content->cpl().get()) {
-                               cpl = i;
-                       }
+               /* 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());
                }
+               cpl = *iter;
        } else {
                /* Choose the CPL with the fewest unsatisfied references */
 
                int least_unsatisfied = INT_MAX;
 
-               for (auto i: cpls()) {
+               for (auto i: cpls) {
                        int unsatisfied = 0;
                        for (auto j: i->reels()) {
                                if (j->main_picture() && !j->main_picture()->asset_ref().resolved()) {
@@ -106,10 +111,16 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                throw DCPError ("No CPLs found in DCP");
        }
 
+       if (content->kdm()) {
+               cpl->add (decrypt_kdm_with_helpful_error(content->kdm().get()));
+       }
+
        _cpl = cpl->id ();
        _name = cpl->content_title_text ();
        _content_kind = cpl->content_kind ();
 
+       LOG_GENERAL ("Selected CPL %1", _cpl);
+
        auto try_to_parse_language = [](optional<string> lang) -> boost::optional<dcp::LanguageTag> {
                try {
                        if (lang) {
@@ -119,15 +130,22 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                return boost::none;
        };
 
+       LOG_GENERAL ("Looking at %1 reels", cpl->reels().size());
+
        for (auto i: cpl->reels()) {
+               LOG_GENERAL ("Reel %1", i->id());
+               vector<shared_ptr<dcpomatic::Font>> reel_fonts;
 
                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;
+                               LOG_GENERAL ("Main picture %1 of reel %2 is missing", i->main_picture()->id(), i->id());
                                return;
                        }
 
+                       LOG_GENERAL ("Main picture %1 of reel %2 found", i->main_picture()->id(), i->id());
+
                        auto const frac = i->main_picture()->edit_rate ();
                        float const fr = float(frac.numerator) / frac.denominator;
                        if (!_video_frame_rate) {
@@ -151,9 +169,12 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                        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;
+                               LOG_GENERAL ("Main sound %1 of reel %2 is missing", i->main_sound()->id(), i->id());
                                return;
                        }
 
+                       LOG_GENERAL ("Main sound %1 of reel %2 found", i->main_sound()->id(), i->id());
+
                        _has_audio = true;
                        auto asset = i->main_sound()->asset();
 
@@ -177,22 +198,32 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                        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;
+                               LOG_GENERAL ("Main subtitle %1 of reel %2 is missing", i->main_subtitle()->id(), i->id());
                                return;
                        }
 
+                       LOG_GENERAL ("Main subtitle %1 of reel %2 found", i->main_subtitle()->id(), i->id());
+
                        _text_count[static_cast<int>(TextType::OPEN_SUBTITLE)] = 1;
                        _open_subtitle_language = try_to_parse_language (i->main_subtitle()->language());
+
+                       for (auto const& font: i->main_subtitle()->asset()->font_data()) {
+                               reel_fonts.push_back(make_shared<dcpomatic::Font>(font.first, font.second));
+                       }
                }
 
                for (auto j: i->closed_captions()) {
                        if (!j->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", j->id(), i->id());
                                return;
                        }
 
+                       LOG_GENERAL ("Closed caption %1 of reel %2 found", j->id(), i->id());
+
                        _text_count[static_cast<int>(TextType::CLOSED_CAPTION)]++;
-                       _dcp_text_tracks.push_back (DCPTextTrack(j->annotation_text(), try_to_parse_language(j->language())));
+                       _dcp_text_tracks.push_back (DCPTextTrack(j->annotation_text().get_value_or(""), try_to_parse_language(j->language())));
                }
 
                if (i->main_markers ()) {
@@ -220,11 +251,15 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                } else if (!i->atmos()) {
                        _reel_lengths.push_back (i->atmos()->actual_duration());
                }
+
+               _fonts.push_back(reel_fonts);
        }
 
        _encrypted = cpl->any_encrypted ();
        _kdm_valid = true;
 
+       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
@@ -232,9 +267,12 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
         */
        try {
                for (auto i: 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);
@@ -253,6 +291,8 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                                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);
@@ -264,6 +304,8 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                                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 ();
                        }
@@ -272,6 +314,8 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                                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);
@@ -280,8 +324,10 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                }
        } catch (dcp::ReadError& e) {
                _kdm_valid = false;
+               LOG_GENERAL ("KDM is invalid: %1", e.what());
        } catch (dcp::MiscError& e) {
                _kdm_valid = false;
+               LOG_GENERAL ("KDM is invalid: %1", e.what());
        }
 
        _standard = cpl->standard();