Mark a VF as having assets, even if they are unresolved (#1024).
authorCarl Hetherington <cth@carlh.net>
Wed, 10 Jan 2024 16:47:32 +0000 (17:47 +0100)
committerCarl Hetherington <cth@carlh.net>
Wed, 10 Jan 2024 16:47:33 +0000 (17:47 +0100)
This allows them to be displayed in the timeline, hopefully without
any unwanted side-effects.

src/lib/dcp_examiner.cc

index ca77f2db3bdaedfc560206e8937a9df9889ef4a0..400c7d26ba86eeb35799276af4cdce24a3b87517 100644 (file)
@@ -135,83 +135,83 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                LOG_GENERAL("Reel %1", reel->id());
 
                if (reel->main_picture()) {
+                       /* This will mean a VF can be displayed in the timeline even if its picture asset
+                        * is yet be resolved.
+                        */
+                       _has_video = true;
+                       _video_length += reel->main_picture()->actual_duration();
+
                        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;
-                       }
-
-                       LOG_GENERAL("Main picture %1 of reel %2 found", reel->main_picture()->id(), reel->id());
-
-                       auto const frac = reel->main_picture()->edit_rate();
-                       float const fr = float(frac.numerator) / frac.denominator;
-                       if (!_video_frame_rate) {
-                               _video_frame_rate = fr;
-                       } else if (_video_frame_rate.get() != fr) {
-                               throw DCPError (_("Mismatched frame rates in DCP"));
-                       }
+                               _needs_assets = true;
+                               /* Use a dummy value here; it will be replaced when the VF is re-examined. */
+                               _video_size = dcp::Size(1998, 1080);
+                       } else {
+                               LOG_GENERAL("Main picture %1 of reel %2 found", reel->main_picture()->id(), reel->id());
+
+                               auto const frac = reel->main_picture()->edit_rate();
+                               float const fr = float(frac.numerator) / frac.denominator;
+                               if (!_video_frame_rate) {
+                                       _video_frame_rate = fr;
+                               } else if (_video_frame_rate.get() != fr) {
+                                       throw DCPError (_("Mismatched frame rates in DCP"));
+                               }
 
-                       _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"));
+                               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 += reel->main_picture()->actual_duration();
                }
 
                if (reel->main_sound()) {
+                       _has_audio = true;
+                       _audio_length += reel->main_sound()->actual_duration();
+
                        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;
-                       }
+                               _needs_assets = true;
+                       } else {
+                               LOG_GENERAL("Main sound %1 of reel %2 found", reel->main_sound()->id(), reel->id());
 
-                       LOG_GENERAL("Main sound %1 of reel %2 found", reel->main_sound()->id(), reel->id());
+                               auto asset = reel->main_sound()->asset();
 
-                       _has_audio = true;
-                       auto asset = reel->main_sound()->asset();
+                               if (!_audio_channels) {
+                                       _audio_channels = asset->channels();
+                               } else if (_audio_channels.get() != asset->channels()) {
+                                       throw DCPError (_("Mismatched audio channel counts in DCP"));
+                               }
 
-                       if (!_audio_channels) {
-                               _audio_channels = asset->channels();
-                       } else if (_audio_channels.get() != asset->channels()) {
-                               throw DCPError (_("Mismatched audio channel counts in DCP"));
-                       }
+                               _active_audio_channels = std::max(_active_audio_channels.get_value_or(0), asset->active_channels());
 
-                       _active_audio_channels = std::max(_active_audio_channels.get_value_or(0), asset->active_channels());
+                               if (!_audio_frame_rate) {
+                                       _audio_frame_rate = asset->sampling_rate ();
+                               } else if (_audio_frame_rate.get() != asset->sampling_rate ()) {
+                                       throw DCPError (_("Mismatched audio sample rates in DCP"));
+                               }
 
-                       if (!_audio_frame_rate) {
-                               _audio_frame_rate = asset->sampling_rate ();
-                       } else if (_audio_frame_rate.get() != asset->sampling_rate ()) {
-                               throw DCPError (_("Mismatched audio sample rates in DCP"));
+                               _audio_language = try_to_parse_language (asset->language());
                        }
-
-                       _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());
+                               _needs_assets = true;
+                       } else {
+                               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());
+                               _text_count[TextType::OPEN_SUBTITLE] = 1;
+                               _open_subtitle_language = try_to_parse_language(reel->main_subtitle()->language());
 
-                       auto asset = reel->main_subtitle()->asset();
-                       for (auto const& font: asset->font_data()) {
-                               _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>(font.first, font.second)});
+                               auto asset = reel->main_subtitle()->asset();
+                               for (auto const& font: asset->font_data()) {
+                                       _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>(font.first, font.second)});
+                               }
+                               _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>("")});
                        }
-                       _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>("")});
                }
 
                _text_count[TextType::CLOSED_CAPTION] = std::max(_text_count[TextType::CLOSED_CAPTION], static_cast<int>(reel->closed_captions().size()));
@@ -228,20 +228,18 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
 
                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;
-                       }
-
-                       LOG_GENERAL("Closed caption %1 of reel %2 found", ccap->id(), reel->id());
+                               _needs_assets = true;
+                       } else {
+                               LOG_GENERAL("Closed caption %1 of reel %2 found", ccap->id(), reel->id());
 
-                       auto asset = ccap->asset();
-                       for (auto const& font: asset->font_data()) {
-                               _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>(font.first, font.second)});
-                       }
-                       if (asset->font_data().empty()) {
-                               _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>("")});
+                               auto asset = ccap->asset();
+                               for (auto const& font: asset->font_data()) {
+                                       _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>(font.first, font.second)});
+                               }
+                               if (asset->font_data().empty()) {
+                                       _fonts.push_back({reel_index, asset->id(), make_shared<dcpomatic::Font>("")});
+                               }
                        }
                }
 
@@ -287,38 +285,40 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
        try {
                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) {
-                               auto reader = mono->start_read();
-                               reader->set_check_hmac (false);
-                               reader->get_frame(0)->xyz_image();
-                       } else {
-                               auto reader = stereo->start_read();
-                               reader->set_check_hmac (false);
-                               reader->get_frame(0)->xyz_image(dcp::Eye::LEFT);
+                       if (i->main_picture() && i->main_picture()->asset_ref().resolved()) {
+                               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) {
+                                       auto reader = mono->start_read();
+                                       reader->set_check_hmac (false);
+                                       reader->get_frame(0)->xyz_image();
+                               } else {
+                                       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 (i->main_sound() && i->main_sound()->asset_ref().resolved()) {
+                               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();
+                               auto reader = sound->start_read();
                                reader->set_check_hmac (false);
                                reader->get_frame(0);
                        }
 
-                       if (i->main_subtitle()) {
+                       if (i->main_subtitle() && i->main_subtitle()->asset_ref().resolved()) {
                                auto sub = i->main_subtitle()->asset();
                                auto mxf_sub = dynamic_pointer_cast<dcp::MXF>(sub);
                                if (mxf_sub && mxf_sub->encrypted() && !mxf_sub->key()) {
@@ -329,16 +329,17 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
                                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;
+                       if (i->atmos() && i->atmos()->asset_ref().resolved()) {
+                               if (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);
                                }
-                               auto reader = atmos->start_read();
-                               reader->set_check_hmac (false);
-                               reader->get_frame(0);
                        }
                }
        } catch (dcp::ReadError& e) {
@@ -350,8 +351,10 @@ DCPExaminer::DCPExaminer (shared_ptr<const DCPContent> content, bool tolerant)
        }
 
        _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());
+       if (!selected_cpl->reels().empty()) {
+               auto first_reel = selected_cpl->reels()[0];
+               _three_d = first_reel->main_picture() && first_reel->main_picture()->asset_ref().resolved() && dynamic_pointer_cast<dcp::StereoPictureAsset>(first_reel->main_picture()->asset());
+       }
        _ratings = selected_cpl->ratings();
        for (auto version: selected_cpl->content_versions()) {
                _content_versions.push_back(version.label_text);