diff options
Diffstat (limited to 'libs/ardour/route.cc')
| -rw-r--r-- | libs/ardour/route.cc | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc index 17322229ed..e431df1ba9 100644 --- a/libs/ardour/route.cc +++ b/libs/ardour/route.cc @@ -79,6 +79,7 @@ Route::init () _soloed = false; _solo_safe = false; _phase_invert = false; + _denormal_protection = false; order_keys[strdup (N_("signal"))] = order_key_cnt++; _active = true; _silent = false; @@ -234,9 +235,9 @@ Route::set_gain (gain_t val, void *src) */ void Route::process_output_buffers (BufferSet& bufs, - nframes_t start_frame, nframes_t end_frame, - nframes_t nframes, nframes_t offset, bool with_redirects, int declick, - bool meter) + nframes_t start_frame, nframes_t end_frame, + nframes_t nframes, nframes_t offset, bool with_redirects, int declick, + bool meter) { // This is definitely very audio-only for now assert(_default_type == DataType::AUDIO); @@ -351,7 +352,22 @@ Route::process_output_buffers (BufferSet& bufs, } } - /* --------------------------------------------------------------------------------------------------- + /* ----------------------------------------------------------------------------------------------------- + DENORMAL CONTROL + -------------------------------------------------------------------------------------------------- */ + + if (_denormal_protection || Config->get_denormal_protection()) { + + for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) { + Sample* const sp = i->data(); + + for (nframes_t nx = offset; nx < nframes + offset; ++nx) { + sp[nx] += 1.0e-27f; + } + } + } + + /* ---------------------------------------------------------------------------------------------------- PRE-FADER REDIRECTS -------------------------------------------------------------------------------------------------- */ @@ -1466,6 +1482,7 @@ Route::state(bool full_state) node->add_property("muted", _muted?"yes":"no"); node->add_property("soloed", _soloed?"yes":"no"); node->add_property("phase-invert", _phase_invert?"yes":"no"); + node->add_property("denormal-protection", _denormal_protection?"yes":"no"); node->add_property("mute-affects-pre-fader", _mute_affects_pre_fader?"yes":"no"); node->add_property("mute-affects-post-fader", _mute_affects_post_fader?"yes":"no"); node->add_property("mute-affects-control-outs", _mute_affects_control_outs?"yes":"no"); @@ -1701,7 +1718,11 @@ Route::_set_state (const XMLNode& node, bool call_base) } if ((prop = node.property (X_("phase-invert"))) != 0) { - set_phase_invert(prop->value()=="yes"?true:false, this); + set_phase_invert (prop->value()=="yes"?true:false, this); + } + + if ((prop = node.property (X_("denormal-protection"))) != 0) { + set_denormal_protection (prop->value()=="yes"?true:false, this); } if ((prop = node.property (X_("active"))) != 0) { |