X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fbeats_frames_converter.cc;h=54db8008da2c4fcabacaba0d0da64963952da040;hb=8367b7cab344e75908744a95fda860c7fadff420;hp=62a0ebde69a88cd791aba53d2285b0f04eb864c2;hpb=09f5369feadbb09dee7f14373e571e01f10d21fa;p=ardour.git diff --git a/libs/ardour/beats_frames_converter.cc b/libs/ardour/beats_frames_converter.cc index 62a0ebde69..54db8008da 100644 --- a/libs/ardour/beats_frames_converter.cc +++ b/libs/ardour/beats_frames_converter.cc @@ -30,27 +30,44 @@ namespace ARDOUR { * supplied to the constructor. Returns the equivalent number of frames, * taking tempo changes into account. */ -framecnt_t -BeatsFramesConverter::to (double beats) const +framepos_t +BeatsFramesConverter::to (Evoral::Beats beats) const { - if (beats < 0) { + if (beats < Evoral::Beats()) { 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. */ +Evoral::Beats +BeatsFramesConverter::from (framepos_t frames) const +{ + 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::Beats(beats)) - _origin_b; +} + +/** As above, but with beats in double instead (for GUI). */ double -BeatsFramesConverter::from (framecnt_t frames) const +DoubleBeatsFramesConverter::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).to_double(); } } /* namespace ARDOUR */