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lv2plugins: correctly compute tempo to be passed to LV2 plugins

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This commit is contained in:
Paul Davis 2023-07-17 11:34:54 -06:00
parent f08299ea1e
commit 9fd0076c93
1 changed files with 4 additions and 2 deletions
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6
libs/ardour/lv2_plugin.cc
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@ -54,6 +54,8 @@
#include "pbd/windows_special_dirs.h"
#endif
#include "temporal/superclock.h"
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
@ -2857,7 +2859,7 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
if (valid && (flags & PORT_INPUT)) {
if ((flags & PORT_POSITION)) {
Temporal::BBT_Time bbt (metric.bbt_at (timepos_t (start0)));
double bpm = metric.tempo().note_types_per_minute();
double bpm = (superclock_ticks_per_second() * 60) / metric.superclocks_per_note_type_at_superclock (samples_to_superclock (start0, TEMPORAL_SAMPLE_RATE));
double time_scale = Port::speed_ratio ();
double beatpos = (bbt.bars - 1) * metric.meter().divisions_per_bar()
+ (bbt.beats - 1)
@ -3244,7 +3246,7 @@ LV2Plugin::connect_and_run(BufferSet& bufs,
* Note: for no-midi plugins, we only ever send information at cycle-start,
* so it needs to be realative to that.
*/
_current_bpm = metric.tempo().note_types_per_minute();
_current_bpm = (superclock_ticks_per_second() * 60) / metric.superclocks_per_note_type_at_superclock (samples_to_superclock (start0, TEMPORAL_SAMPLE_RATE));
Temporal::BBT_Time bbt (metric.bbt_at (timepos_t (start0)));
double beatpos = (bbt.bars - 1) * metric.divisions_per_bar()
+ (bbt.beats - 1)