ardour/ardour
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set latency of sidechain port

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This commit is contained in:
Robin Gareus 2016-06-16 15:08:10 +02:00
parent 321615e8ea
commit a9c09af816
3 changed files with 30 additions and 0 deletions
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3
libs/ardour/ardour/plugin_insert.h
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@ -153,6 +153,7 @@ class LIBARDOUR_API PluginInsert : public Processor
bool set_preset_out (const ChanCount&);
bool add_sidechain (uint32_t n_audio = 1);
bool del_sidechain ();
void set_sidechain_latency (uint32_t, uint32_t);
boost::shared_ptr<SideChain> sidechain () const { return _sidechain; }
// end C++ class slavery!
@ -302,6 +303,8 @@ class LIBARDOUR_API PluginInsert : public Processor
Plugins _plugins;
boost::shared_ptr<SideChain> _sidechain;
uint32_t _sc_playback_latency;
uint32_t _sc_capture_latency;
boost::weak_ptr<Plugin> _impulseAnalysisPlugin;

22
libs/ardour/plugin_insert.cc
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@ -67,6 +67,8 @@ const string PluginInsert::port_automation_node_name = "PortAutomation";
PluginInsert::PluginInsert (Session& s, boost::shared_ptr<Plugin> plug)
: Processor (s, (plug ? plug->name() : string ("toBeRenamed")))
, _sc_playback_latency (0)
, _sc_capture_latency (0)
, _signal_analysis_collected_nframes(0)
, _signal_analysis_collect_nframes_max(0)
, _configured (false)
@ -215,10 +217,30 @@ PluginInsert::del_sidechain ()
return false;
}
_sidechain.reset ();
_sc_playback_latency = 0;
_sc_capture_latency = 0;
PluginConfigChanged (); /* EMIT SIGNAL */
return true;
}
void
PluginInsert::set_sidechain_latency (uint32_t capture, uint32_t playback)
{
if (_sidechain &&
(_sc_playback_latency != playback || _sc_capture_latency != capture)) {
_sc_capture_latency = capture;
_sc_playback_latency = playback;
LatencyRange pl; pl.min = pl.max = playback;
LatencyRange cl; cl.min = cl.max = capture;
DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: capture %2 playback; %3\n", _sidechain->name (), capture, playback));
PortSet& ps (_sidechain->input ()->ports ());
for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
p->set_private_latency_range (pl, true);
p->set_private_latency_range (cl, false);
}
}
}
void
PluginInsert::control_list_automation_state_changed (Evoral::Parameter which, AutoState s)
{

5
libs/ardour/route.cc
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@ -444,6 +444,11 @@ Route::process_output_buffers (BufferSet& bufs,
if (boost::dynamic_pointer_cast<Send>(*i) != 0) {
boost::dynamic_pointer_cast<Send>(*i)->set_delay_in(_signal_latency - latency);
}
if (boost::dynamic_pointer_cast<PluginInsert>(*i) != 0) {
const framecnt_t longest_session_latency = _initial_delay + _signal_latency;
boost::dynamic_pointer_cast<PluginInsert>(*i)->set_sidechain_latency (
_initial_delay + latency, longest_session_latency - latency);
}
(*i)->run (bufs, start_frame - latency, end_frame - latency, nframes, *i != _processors.back());
bufs.set_count ((*i)->output_streams());