editor_name = reader->get_string(309, 32);
editor_contact_details = reader->get_string(341, 32);
+ int highest_line = 0;
for (int i = 0; i < tti_blocks; ++i) {
reader->read (128, "TTI");
RawSubtitle sub;
sub.from = reader->get_timecode(5, frame_rate);
sub.to = reader->get_timecode(9, frame_rate);
- /* XXX: only the vertical position of the first TTI block should be used (says the spec),
- so using reader->get_int(13, 1) here is wrong if i > 0
- */
+ /* XXX: vertical position of TTI extension blocks should be ignored (spec page 10) so this
+ * is wrong if the EBN of this TTI block is not 255 (I think).
+ */
sub.vertical_position.line = reader->get_int(13, 1) + j;
+ highest_line = std::max(highest_line, *sub.vertical_position.line);
sub.vertical_position.lines = maximum_rows;
sub.vertical_position.reference = TOP_OF_SCREEN;
sub.italic = italic;
/* XXX: justification */
}
}
+
+ /* Fix line numbers so they don't go off the bottom of the screen */
+ if (highest_line > maximum_rows) {
+ int correction = highest_line - maximum_rows;
+ for (auto& i: _subs) {
+ *i.vertical_position.line -= correction;
+ }
+ }
}
map<string, string>
}
-/** Test reading a file which raised "Unknown language group code U8" */
+/** Test reading a file which raised "Unknown language group code U8" and which has
+ * bizarre line numbering.
+ */
BOOST_AUTO_TEST_CASE (stl_binary_reader_test3)
{
if (private_test.empty()) {
return;
}
+ /* This file has a MNR value of 99, which (as per the spec recommendation)
+ * we "fix" to 12. But it also has line numbers which start at 99 and go up from there,
+ * so if we don't also alter the line numbers they end up way off the bottom of the screen.
+ * Check that the line numbers are brought into the range of our "fix".
+ */
+
auto path = private_test / "hsk.stl";
ifstream in (path.string().c_str());
auto reader = make_shared<sub::STLBinaryReader>(in);
+ for (auto i: reader->subtitles()) {
+ BOOST_REQUIRE(*i.vertical_position.line >= 0);
+ BOOST_REQUIRE(*i.vertical_position.line <= 12);
+ }
}