};
-
+/** Verify stuff that is common to both subtitles and closed captions */
void
-verify_smpte_subtitle_asset (
+verify_smpte_timed_text_asset (
shared_ptr<const SMPTESubtitleAsset> asset,
- vector<VerificationNote>& notes,
- State& state
+ vector<VerificationNote>& notes
)
{
if (asset->language()) {
- auto const language = *asset->language();
- verify_language_tag (language, notes);
- if (!state.subtitle_language) {
- state.subtitle_language = language;
- } else if (state.subtitle_language != language) {
- notes.push_back ({ VerificationNote::Type::BV21_ERROR, VerificationNote::Code::MISMATCHED_SUBTITLE_LANGUAGES });
- }
+ verify_language_tag (*asset->language(), notes);
} else {
notes.push_back ({ VerificationNote::Type::BV21_ERROR, VerificationNote::Code::MISSING_SUBTITLE_LANGUAGE, *asset->file() });
}
+
auto const size = boost::filesystem::file_size(asset->file().get());
if (size > 115 * 1024 * 1024) {
notes.push_back (
{ VerificationNote::Type::BV21_ERROR, VerificationNote::Code::INVALID_TIMED_TEXT_SIZE_IN_BYTES, raw_convert<string>(size), *asset->file() }
);
}
+
/* XXX: I'm not sure what Bv2.1_7.2.1 means when it says "the font resource shall not be larger than 10MB"
* but I'm hoping that checking for the total size of all fonts being <= 10MB will do.
*/
}
+/** Verify SMPTE subtitle-only stuff */
+void
+verify_smpte_subtitle_asset (
+ shared_ptr<const SMPTESubtitleAsset> asset,
+ vector<VerificationNote>& notes,
+ State& state
+ )
+{
+ if (asset->language()) {
+ if (!state.subtitle_language) {
+ state.subtitle_language = *asset->language();
+ } else if (state.subtitle_language != *asset->language()) {
+ notes.push_back ({ VerificationNote::Type::BV21_ERROR, VerificationNote::Code::MISMATCHED_SUBTITLE_LANGUAGES });
+ }
+ }
+}
+
+
+/** Verify all subtitle stuff */
static void
verify_subtitle_asset (
shared_ptr<const SubtitleAsset> asset,
auto smpte = dynamic_pointer_cast<const SMPTESubtitleAsset>(asset);
if (smpte) {
+ verify_smpte_timed_text_asset (smpte, notes);
verify_smpte_subtitle_asset (smpte, notes, state);
}
}
+/** Verify all closed caption stuff */
static void
verify_closed_caption_asset (
shared_ptr<const SubtitleAsset> asset,
function<void (string, optional<boost::filesystem::path>)> stage,
boost::filesystem::path xsd_dtd_directory,
- vector<VerificationNote>& notes,
- State& state
+ vector<VerificationNote>& notes
)
{
- verify_subtitle_asset (asset, stage, xsd_dtd_directory, notes, state);
+ stage ("Checking closed caption XML", asset->file());
+ /* Note: we must not use SubtitleAsset::xml_as_string() here as that will mean the data on disk
+ * gets passed through libdcp which may clean up and therefore hide errors.
+ */
+ validate_xml (asset->raw_xml(), xsd_dtd_directory, notes);
+
+ auto smpte = dynamic_pointer_cast<const SMPTESubtitleAsset>(asset);
+ if (smpte) {
+ verify_smpte_timed_text_asset (smpte, notes);
+ }
if (asset->raw_xml().size() > 256 * 1024) {
notes.push_back ({VerificationNote::Type::BV21_ERROR, VerificationNote::Code::INVALID_CLOSED_CAPTION_XML_SIZE_IN_BYTES, raw_convert<string>(asset->raw_xml().size()), *asset->file()});
void
verify_text_timing (
vector<shared_ptr<Reel>> reels,
- optional<int> picture_frame_rate,
+ int edit_rate,
vector<VerificationNote>& notes,
std::function<bool (shared_ptr<Reel>)> check,
std::function<string (shared_ptr<Reel>)> xml,
auto too_short = false;
auto too_close = false;
auto too_early = false;
+ auto reel_overlap = false;
/* current reel start time (in editable units) */
int64_t reel_offset = 0;
- std::function<void (cxml::ConstNodePtr, int, int, bool)> parse;
- parse = [&parse, &last_out, &too_short, &too_close, &too_early, &reel_offset](cxml::ConstNodePtr node, int tcr, int pfr, bool first_reel) {
+ std::function<void (cxml::ConstNodePtr, optional<int>, optional<Time>, int, bool)> parse;
+ parse = [&parse, &last_out, &too_short, &too_close, &too_early, &reel_offset](cxml::ConstNodePtr node, optional<int> tcr, optional<Time> start_time, int er, bool first_reel) {
if (node->name() == "Subtitle") {
Time in (node->string_attribute("TimeIn"), tcr);
+ if (start_time) {
+ in -= *start_time;
+ }
Time out (node->string_attribute("TimeOut"), tcr);
- if (first_reel && in < Time(0, 0, 4, 0, tcr)) {
+ if (start_time) {
+ out -= *start_time;
+ }
+ if (first_reel && tcr && in < Time(0, 0, 4, 0, *tcr)) {
too_early = true;
}
auto length = out - in;
- if (length.as_editable_units(pfr) < 15) {
+ if (length.as_editable_units_ceil(er) < 15) {
too_short = true;
}
if (last_out) {
/* XXX: this feels dubious - is it really what Bv2.1 means? */
- auto distance = reel_offset + in.as_editable_units(pfr) - *last_out;
+ auto distance = reel_offset + in.as_editable_units_ceil(er) - *last_out;
if (distance >= 0 && distance < 2) {
too_close = true;
}
}
- last_out = reel_offset + out.as_editable_units(pfr);
+ last_out = reel_offset + out.as_editable_units_floor(er);
} else {
for (auto i: node->node_children()) {
- parse(i, tcr, pfr, first_reel);
+ parse(i, tcr, start_time, er, first_reel);
}
}
};
* read in by libdcp's parser.
*/
- auto doc = make_shared<cxml::Document>("SubtitleReel");
- doc->read_string (xml(reels[i]));
- auto const tcr = doc->number_child<int>("TimeCodeRate");
- parse (doc, tcr, picture_frame_rate.get_value_or(24), i == 0);
- reel_offset += duration(reels[i]);
+ shared_ptr<cxml::Document> doc;
+ optional<int> tcr;
+ optional<Time> start_time;
+ try {
+ doc = make_shared<cxml::Document>("SubtitleReel");
+ doc->read_string (xml(reels[i]));
+ tcr = doc->number_child<int>("TimeCodeRate");
+ auto start_time_string = doc->optional_string_child("StartTime");
+ if (start_time_string) {
+ start_time = Time(*start_time_string, tcr);
+ }
+ } catch (...) {
+ doc = make_shared<cxml::Document>("DCSubtitle");
+ doc->read_string (xml(reels[i]));
+ }
+ parse (doc, tcr, start_time, edit_rate, i == 0);
+ auto end = reel_offset + duration(reels[i]);
+ if (last_out && *last_out > end) {
+ reel_overlap = true;
+ }
+ reel_offset = end;
+ }
+
+ if (last_out && *last_out > reel_offset) {
+ reel_overlap = true;
}
if (too_early) {
VerificationNote::Type::WARNING, VerificationNote::Code::INVALID_SUBTITLE_SPACING
});
}
+
+ if (reel_overlap) {
+ notes.push_back ({
+ VerificationNote::Type::ERROR, VerificationNote::Code::SUBTITLE_OVERLAPS_REEL_BOUNDARY
+ });
+ }
}
return;
}
- optional<int> picture_frame_rate;
- if (reels[0]->main_picture()) {
- picture_frame_rate = reels[0]->main_picture()->frame_rate().numerator;
- }
-
if (reels[0]->main_subtitle()) {
- verify_text_timing (reels, picture_frame_rate, notes,
+ verify_text_timing (reels, reels[0]->main_subtitle()->edit_rate().numerator, notes,
[](shared_ptr<Reel> reel) {
return static_cast<bool>(reel->main_subtitle());
},
}
for (auto i = 0U; i < reels[0]->closed_captions().size(); ++i) {
- verify_text_timing (reels, picture_frame_rate, notes,
+ verify_text_timing (reels, reels[0]->closed_captions()[i]->edit_rate().numerator, notes,
[i](shared_ptr<Reel> reel) {
return i < reel->closed_captions().size();
},
for (auto i: reel->closed_captions()) {
verify_closed_caption_reel (i, notes);
if (i->asset_ref().resolved()) {
- verify_closed_caption_asset (i->asset(), stage, xsd_dtd_directory, notes, state);
+ verify_closed_caption_asset (i->asset(), stage, xsd_dtd_directory, notes);
}
}
most_closed_captions = std::max (most_closed_captions, reel->closed_captions().size());
}
+ verify_text_timing (cpl->reels(), notes);
+
if (dcp->standard() == Standard::SMPTE) {
if (have_main_subtitle && have_no_main_subtitle) {
if (lfoc == markers_seen.end()) {
notes.push_back ({VerificationNote::Type::WARNING, VerificationNote::Code::MISSING_LFOC});
} else {
- auto lfoc_time = lfoc->second.as_editable_units(lfoc->second.tcr);
+ auto lfoc_time = lfoc->second.as_editable_units_ceil(lfoc->second.tcr);
if (lfoc_time != (cpl->reels().back()->duration() - 1)) {
notes.push_back ({VerificationNote::Type::WARNING, VerificationNote::Code::INCORRECT_LFOC, raw_convert<string>(lfoc_time)});
}
}
- verify_text_timing (cpl->reels(), notes);
-
LinesCharactersResult result;
for (auto reel: cpl->reels()) {
if (reel->main_subtitle() && reel->main_subtitle()->asset()) {
case VerificationNote::Code::MISSING_ASSETMAP:
return "No ASSETMAP or ASSETMAP.xml was found.";
case VerificationNote::Code::INVALID_INTRINSIC_DURATION:
- return String::compose("The intrinsic duration of the asset %1 is less than 1 second long.", note.note().get());
+ return String::compose("The intrinsic duration of the asset %1 is less than 1 second.", note.note().get());
case VerificationNote::Code::INVALID_DURATION:
- return String::compose("The duration of the asset %1 is less than 1 second long.", note.note().get());
+ return String::compose("The duration of the asset %1 is less than 1 second.", note.note().get());
case VerificationNote::Code::INVALID_PICTURE_FRAME_SIZE_IN_BYTES:
return String::compose("The instantaneous bit rate of the picture asset %1 is larger than the limit of 250Mbit/s in at least one place.", note.file()->filename());
case VerificationNote::Code::NEARLY_INVALID_PICTURE_FRAME_SIZE_IN_BYTES:
return "At least one subtitle lasts less than 15 frames.";
case VerificationNote::Code::INVALID_SUBTITLE_SPACING:
return "At least one pair of subtitles is separated by less than 2 frames.";
+ case VerificationNote::Code::SUBTITLE_OVERLAPS_REEL_BOUNDARY:
+ return "At least one subtitle extends outside of its reel.";
case VerificationNote::Code::INVALID_SUBTITLE_LINE_COUNT:
return "There are more than 3 subtitle lines in at least one place in the DCP.";
case VerificationNote::Code::NEARLY_INVALID_SUBTITLE_LINE_LENGTH:
projects / libdcp.git / blobdiff