diff options
Diffstat (limited to 'libs/ardour/beats_frames_converter.cc')
| -rw-r--r-- | libs/ardour/beats_frames_converter.cc | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/libs/ardour/beats_frames_converter.cc b/libs/ardour/beats_frames_converter.cc index 94042b1b03..b99edbf51e 100644 --- a/libs/ardour/beats_frames_converter.cc +++ b/libs/ardour/beats_frames_converter.cc @@ -31,26 +31,43 @@ namespace ARDOUR { * taking tempo changes into account. */ framepos_t -BeatsFramesConverter::to (double beats) const +BeatsFramesConverter::to (Evoral::MusicalTime beats) const { - if (beats < 0) { + if (beats < Evoral::MusicalTime()) { std::cerr << "negative beats passed to BFC: " << beats << std::endl; PBD::stacktrace (std::cerr, 30); + return 0; } - assert (beats >= 0); - framecnt_t r = _tempo_map.framepos_plus_beats (_origin_b, beats) - _origin_b; - return r; + return _tempo_map.framepos_plus_beats (_origin_b, beats) - _origin_b; } /** Takes a duration in frames and considers it as a distance from the origin * supplied to the constructor. Returns the equivalent number of beats, * taking tempo changes into account. */ -double +Evoral::MusicalTime BeatsFramesConverter::from (framepos_t frames) const { - double b = _tempo_map.framewalk_to_beats (_origin_b, frames); - return b; + return _tempo_map.framewalk_to_beats (_origin_b, frames); +} + +/** As above, but with beats in double instead (for GUI). */ +framepos_t +DoubleBeatsFramesConverter::to (double beats) const +{ + if (beats < 0.0) { + std::cerr << "negative beats passed to BFC: " << beats << std::endl; + PBD::stacktrace (std::cerr, 30); + return 0; + } + return _tempo_map.framepos_plus_beats (_origin_b, Evoral::MusicalTime(beats)) - _origin_b; +} + +/** As above, but with beats in double instead (for GUI). */ +double +DoubleBeatsFramesConverter::from (framepos_t frames) const +{ + return _tempo_map.framewalk_to_beats (_origin_b, frames).to_double(); } } /* namespace ARDOUR */ |