diff options
| author | Carl Hetherington <cth@carlh.net> | 2015-06-05 19:14:54 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2015-06-05 19:14:54 +0100 |
| commit | 331b2f8297b2b8a6db07a22dbbff7f913fe7a2f1 (patch) | |
| tree | 45f281eaddb46e988e9f6c05b36fd553da0f010c /src/dcp_time.cc | |
| parent | 96bf4824ca6b378648950bfbd4565b8368c8eca0 (diff) | |
Bits of tidying; comments.
Diffstat (limited to 'src/dcp_time.cc')
| -rw-r--r-- | src/dcp_time.cc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/dcp_time.cc b/src/dcp_time.cc index 5d9bed81..43c1ee49 100644 --- a/src/dcp_time.cc +++ b/src/dcp_time.cc @@ -38,11 +38,22 @@ Time::Time (int frame, int frames_per_second, int tcr_) set (double (frame) / frames_per_second, tcr_); } +/** Construct a Time with a timecode rate of 24 and using the supplied + * number of seconds. + * + * @param seconds A number of seconds. + */ Time::Time (double seconds) { set (seconds, 24); } +/** Construct a Time with specified timecode rate and using the supplied + * number of seconds. + * + * @param seconds A number of seconds. + * @param tcr_ Timecode rate to use. + */ void Time::set (double seconds, int tcr_) { @@ -66,7 +77,7 @@ Time::set (double seconds, int tcr_) } } -/** @param time String of the form HH:MM:SS:EE */ +/** @param time String of the form HH:MM:SS:EE[E] */ Time::Time (string time, int tcr_) : tcr (tcr_) { @@ -251,18 +262,26 @@ Time::as_string () const return str.str (); } +/** @param tcr_ Timecode rate with which the return value should be counted. + * @return the total number of editable units that this time consists of at the specified timecode rate. + * For example, as_editable_units (24) returns the total time in frames at 24fps. + */ int64_t Time::as_editable_units (int tcr_) const { return (int64_t(e) * float (tcr_ / tcr)) + int64_t(s) * tcr_ + int64_t(m) * 60 * tcr_ + int64_t(h) * 60 * 60 * tcr_; } +/** @return the total number of seconds that this time consists of */ double Time::as_seconds () const { return h * 3600 + m * 60 + s + double(e) / tcr; } +/** @param tcr_ New timecode rate. + * @return A new Time which is this time at the spcified new timecode rate. + */ Time Time::rebase (int tcr_) const { |