diff options
Diffstat (limited to 'src/stl_binary_reader.cc')
| -rw-r--r-- | src/stl_binary_reader.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/stl_binary_reader.cc b/src/stl_binary_reader.cc index 7c5386b..9a7a150 100644 --- a/src/stl_binary_reader.cc +++ b/src/stl_binary_reader.cc @@ -166,6 +166,17 @@ void STLBinaryReader::read (shared_ptr<InputReader> reader) subtitle_groups = atoi (reader->get_string(248, 3).c_str()); maximum_characters = atoi (reader->get_string(251, 2).c_str()); maximum_rows = atoi (reader->get_string(253, 2).c_str()); + + if (maximum_rows == 99) { + /* https://tech.ebu.ch/docs/tech/tech3360.pdf says + "It is recommended that for files with a large MNR value (e.g. '99') the + font size (height) should be defined as ~ 1/15 of the 'Subtitle Safe Area' + and a lineHeight of 120% is used to achieve a row height of ~ 1/12 of the height + of the 'Subtitle Safe Area'. + */ + maximum_rows = 12; + } + timecode_status = _tables.timecode_status_file_to_enum (reader->get_string(255, 1)); start_of_programme = reader->get_string(256, 8); first_in_cue = reader->get_string(264, 8); |