NO-OP, whitespace and comments

diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc
index bb120d3fad89968035647a570289257857cd8fbb..02824b43f183979f7f5f207b64aa9807350c1ed9 100644 (file)
--- a/libs/ardour/plugin_insert.cc
+++ b/libs/ardour/plugin_insert.cc
@@ -1422,7 +1422,7 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
        case Delegate:
                {
                        ChanCount dout (in); // hint
-                       if (_custom_cfg) { 
+                       if (_custom_cfg) {
                                dout = _custom_out;
                        } else if (_preset_out.n_audio () > 0) {
                                dout.set (DataType::AUDIO, _preset_out.n_audio ());
@@ -1527,8 +1527,12 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
         *
         * sidechain inputs add a constraint on the input:
         * configured input + sidechain (=_configured_internal)
+        *
+        * NB. this also satisfies
+        * max (natural_input_streams(), natural_output_streams())
+        * which is needed for silence runs
         */
-       _required_buffers =ChanCount::max (_configured_internal,
+       _required_buffers = ChanCount::max (_configured_internal,
                        natural_input_streams () + ChanCount::max (_configured_out, natural_output_streams () * get_count ()));
 
        if (old_in != in || old_out != out || old_internal != _configured_internal
@@ -1537,7 +1541,7 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
                PluginIoReConfigure (); /* EMIT SIGNAL */
        }
 
-       _delaybuffers.configure (_configured_out, _plugins.front()->max_latency ());
+       _delaybuffers.configure (_configured_out, _plugins.front ()->max_latency ());
        _latency_changed = true;
 
        // we don't know the analysis window size, so we must work with the
@@ -2516,6 +2520,9 @@ PluginInsert::get_impulse_analysis_plugin()
 {
        boost::shared_ptr<Plugin> ret;
        if (_impulseAnalysisPlugin.expired()) {
+               // LV2 in particular uses various _session params
+               // during init() -- most notably block_size..
+               // not great.
                ret = plugin_factory(_plugins[0]);
                ret->configure_io (internal_input_streams (), internal_output_streams ());
                _impulseAnalysisPlugin = ret;