copy over (boo!) transport control changes to BasicUI (control surfaces)
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@ -192,6 +192,7 @@ BasicUI::button_varispeed (bool fwd)
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// (keypress auto-repeat is 100ms)
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const float maxspeed = Config->get_shuttle_max_speed();
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float semitone_ratio = exp2f (1.0f/12.0f);
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const float octave_down = pow (1.0/semitone_ratio, 12.0);
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float transport_speed = get_transport_speed ();
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float speed;
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@ -214,7 +215,7 @@ BasicUI::button_varispeed (bool fwd)
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} else {
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if (transport_speed == 0.0 || fabs (transport_speed) <= 1.0/semitone_ratio) {
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if (fabs (transport_speed) <= 0.1) {
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/* close to zero, maybe flip direction */
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@ -240,15 +241,23 @@ BasicUI::button_varispeed (bool fwd)
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if (fwd) {
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if (transport_speed < 0.f) {
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/* we need to move the speed back towards zero */
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semitone_ratio = 1.0/semitone_ratio;
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if (fabs (transport_speed) < octave_down) {
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semitone_ratio = pow (1.0/semitone_ratio, 4.0);
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} else {
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semitone_ratio = 1.0/semitone_ratio;
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}
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}
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} else {
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if (transport_speed > 0.f) {
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/* we need to move the speed back towards zero */
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semitone_ratio = 1.0/semitone_ratio;
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if (transport_speed < octave_down) {
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semitone_ratio = pow (1.0/semitone_ratio, 4.0);
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} else {
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semitone_ratio = 1.0/semitone_ratio;
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}
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}
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}
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}
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speed = semitone_ratio * transport_speed;
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