= Ff + Fd - Ff frames
= Fd frames
= Fd/f seconds
-
+
So if we accept a difference of 1 frame, ie 1/f seconds, we can
say that
1/f = Fd/f
ie 1 = Fd
ie d = 1/F
-
+
So for a 3hr film, ie F = 3 * 60 * 60 = 10800, the acceptable
FPS error is 1/F ~= 0.0001 ~= 10-e4
*/
FrameRateChange::description () const
{
string description;
-
+
if (!skip && repeat == 1 && !change_speed) {
description = _("Content and DCP have the same rate.\n");
} else {