2 Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include "exceptions.h"
22 #include "compose.hpp"
30 about_equal (float a, float b)
32 return fabs (a - b) < 1e-4;
36 sub::stl_frame_rate_to_dfc (float r)
38 /* This is the FAB Subtitler mapping, as used by Annotation Edit */
39 if (about_equal (r, 23.976)) {
41 } else if (about_equal (r, 24)) {
43 } else if (about_equal (r, 25)) {
45 } else if (about_equal (r, 30)) {
53 sub::stl_dfc_to_frame_rate (string s)
55 if (s == "STL24.01") {
57 } else if (s == "STL23.01") {
59 } else if (s == "STL25.01") {
61 } else if (s == "STL30.01") {
65 throw STLError (String::compose ("Unknown disk format code %1 in binary STL file", s));