From 4326f8ba71f4af1f3e3c48c9f3a02d8e3e0590f7 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 15 Jan 2015 19:49:29 +0000
Subject: Node bypass.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5515 a436a847-0d15-0410-975c-d299462d15a1
---
 src/server/BlockImpl.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'src/server/BlockImpl.cpp')

diff --git a/src/server/BlockImpl.cpp b/src/server/BlockImpl.cpp
index 069ecdfa..3d684e6c 100644
--- a/src/server/BlockImpl.cpp
+++ b/src/server/BlockImpl.cpp
@@ -45,6 +45,7 @@ BlockImpl::BlockImpl(PluginImpl*         plugin,
 	, _polyphony((polyphonic && parent) ? parent->internal_poly() : 1)
 	, _polyphonic(polyphonic)
 	, _activated(false)
+	, _enabled(true)
 	, _traversed(false)
 {
 	assert(_plugin);
@@ -144,6 +145,21 @@ BlockImpl::set_buffer_size(Context&       context,
 	}
 }
 
+PortImpl*
+BlockImpl::nth_port_by_type(uint32_t n, bool input, PortType type)
+{
+	uint32_t count = 0;
+	for (uint32_t i = 0; _ports && i < _ports->size(); ++i) {
+		PortImpl* const port = _ports->at(i);
+		if (port->is_input() == input && port->type() == type) {
+			if (count++ == n) {
+				return port;
+			}
+		}
+	}
+	return NULL;
+}
+
 void
 BlockImpl::pre_process(ProcessContext& context)
 {
@@ -160,6 +176,24 @@ BlockImpl::process(ProcessContext& context)
 {
 	pre_process(context);
 
+	if (!_enabled) {
+		for (PortType t : { PortType::AUDIO, PortType::CV, PortType::ATOM }) {
+			for (uint32_t i = 0;; ++i) {
+				PortImpl* in = nth_port_by_type(i, true, t);
+				PortImpl* out;
+				if (in && (out = nth_port_by_type(i, false, t))) {
+					for (uint32_t v = 0; v < _polyphony; ++v) {
+						out->buffer(v)->copy(context, in->buffer(v).get());
+					}
+				} else {
+					break;
+				}
+			}
+		}
+		post_process(context);
+		return;
+	}
+
 	ProcessContext subcontext(context);
 	for (SampleCount offset = 0; offset < context.nframes();) {
 		// Find earliest offset of a value change
-- 
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