ardour/livetrax
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triggerbox: add static signal to let the GUI do something when we cannot determine tempo

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This commit is contained in:
Paul Davis 2021-12-13 09:20:32 -07:00
parent 3e5606415f
commit dd842fdc5c
2 changed files with 9 additions and 0 deletions
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2
libs/ardour/ardour/triggerbox.h
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@ -293,6 +293,8 @@ class LIBARDOUR_API AudioTrigger : public Trigger {
SegmentDescriptor get_segment_descriptor () const;
static PBD::Signal1<void,std::string> CannotDetermineTempo;
protected:
void retrigger ();
void set_usable_length ();

7
libs/ardour/triggerbox.cc
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@ -524,6 +524,8 @@ Trigger::maybe_compute_next_transition (samplepos_t start_sample, Temporal::Beat
/*--------------------*/
PBD::Signal1<void,std::string> AudioTrigger::CannotDetermineTempo;
AudioTrigger::AudioTrigger (uint64_t n, TriggerBox& b)
: Trigger (n, b)
, data (0)
@ -735,6 +737,8 @@ AudioTrigger::determine_tempo ()
string::size_type ni;
double text_tempo = -1.;
std::cerr << "Determine tempo for " << name() << std::endl;
if (((bi = str.find ("bpm")) != string::npos) ||
((bi = str.find ("BPM")) != string::npos)) {
@ -786,6 +790,8 @@ AudioTrigger::determine_tempo ()
if (_apparent_tempo == 0.0) {
/* no apparent tempo, just return since we'll use it as-is */
std::cerr << "Could not determine tempo for " << name() << std::endl;
CannotDetermineTempo (_region->source (0)->name());
return;
}
@ -800,6 +806,7 @@ AudioTrigger::determine_tempo ()
const samplecnt_t one_bar = tm->bbt_duration_at (timepos_t (AudioTime), BBT_Offset (1, 0, 0)).samples();
cerr << "tempo: " << _apparent_tempo << endl;
cerr << "one bar in samples: " << one_bar << endl;
cerr << "barcnt = " << round (_barcnt) << endl;
}