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authorDavid Robillard <d@drobilla.net>2009-06-03 02:30:57 +0000
committerDavid Robillard <d@drobilla.net>2009-06-03 02:30:57 +0000
commit6488ffb1a3fedb87b41add3a2a78a953755c949a (patch)
treeac2c564c1f93b207940419aea265022d48c71240 /src/engine
parent69ad5f645fbc1ac5c4f886a7f2daa6c354b4afe3 (diff)
downloadingen-6488ffb1a3fedb87b41add3a2a78a953755c949a.tar.gz
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Clean up and shave some overhead from port value broadcasting.
Clean up duplex port code and document weird semantics. git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2075 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine')
-rw-r--r--src/engine/DuplexPort.cpp32
-rw-r--r--src/engine/InputPort.cpp5
-rw-r--r--src/engine/OutputPort.cpp3
-rw-r--r--src/engine/PortImpl.cpp31
-rw-r--r--src/engine/PortImpl.hpp1
-rw-r--r--src/engine/events/SetMetadata.cpp46
6 files changed, 57 insertions, 61 deletions
diff --git a/src/engine/DuplexPort.cpp b/src/engine/DuplexPort.cpp
index 195d0468..2c4e81b9 100644
--- a/src/engine/DuplexPort.cpp
+++ b/src/engine/DuplexPort.cpp
@@ -52,30 +52,25 @@ DuplexPort::DuplexPort(
}
+/** Prepare for the execution of parent patch */
void
DuplexPort::pre_process(ProcessContext& context)
{
- // <BrainHurt>
-
/*cerr << endl << "{ duplex pre" << endl;
cerr << path() << " duplex pre: fixed buffers: " << fixed_buffers() << endl;
cerr << path() << " duplex pre: buffer: " << buffer(0) << endl;
cerr << path() << " duplex pre: is_output: " << _is_output << " { " << endl;*/
+ // If we're a patch output, prepare buffers for write (so plugins can deliver to them)
if (_is_output) {
-
for (uint32_t i=0; i < _poly; ++i)
if (!_buffers->at(i)->is_joined())
_buffers->at(i)->prepare_write(context.start(), context.nframes());
+ // Otherwise, we're a patch input, do whatever a normal node's input port does
+ // (mix down inputs from an outside "patch is a node" perspective)
} else {
-
InputPort::pre_process(context);
-
- for (uint32_t i=0; i < _poly; ++i)
- _buffers->at(i)->prepare_read(context.start(), context.nframes());
-
- broadcast(context);
}
/*if (type() == DataType::EVENT)
@@ -84,18 +79,14 @@ DuplexPort::pre_process(ProcessContext& context)
<< ((EventBuffer*)buffer(i))->event_count()
<< ", joined: " << _buffers->at(i)->is_joined()
<< ", is_output: " << _is_output << endl;*/
-
//cerr << "} duplex pre " << path() << endl;
-
- // </BrainHurt>
}
+/** Finalize after the execution of parent patch (deliver outputs) */
void
DuplexPort::post_process(ProcessContext& context)
{
- // <BrainHurt>
-
/*cerr << endl << "{ duplex post" << endl;
cerr << path() << " duplex post: fixed buffers: " << fixed_buffers() << endl;
cerr << path() << " duplex post: buffer: " << buffer(0) << endl;
@@ -107,14 +98,19 @@ DuplexPort::post_process(ProcessContext& context)
<< ((EventBuffer*)buffer(i))->event_count()
<< ", joined: " << _buffers->at(i)->is_joined() << endl;*/
+ // If we're a patch output
+
+
if (_is_output) {
- InputPort::pre_process(context); // Mix down inputs
- broadcast(context);
+ // Then we've been delivered to as an input (internal perspective)
+ // Mix down this input so patch output ports (external perspective) are ready
+ InputPort::pre_process(context);
+
+ if (_broadcast)
+ broadcast_value(context, false);
}
//cerr << "} duplex post " << path() << endl;
-
- // </BrainHurt>
}
diff --git a/src/engine/InputPort.cpp b/src/engine/InputPort.cpp
index c42de5c6..09132b6e 100644
--- a/src/engine/InputPort.cpp
+++ b/src/engine/InputPort.cpp
@@ -263,14 +263,15 @@ InputPort::pre_process(ProcessContext& context)
for (uint32_t i=0; i < _poly; ++i)
buffer(i)->prepare_read(context.start(), context.nframes());
+
+ if (_broadcast)
+ broadcast_value(context, false);
}
void
InputPort::post_process(ProcessContext& context)
{
- broadcast(context);
-
// Prepare buffers for next cycle
if (!can_direct())
for (uint32_t i=0; i < _poly; ++i)
diff --git a/src/engine/OutputPort.cpp b/src/engine/OutputPort.cpp
index 020ea6bb..023d5a21 100644
--- a/src/engine/OutputPort.cpp
+++ b/src/engine/OutputPort.cpp
@@ -62,7 +62,8 @@ OutputPort::post_process(ProcessContext& context)
//cerr << path() << " output post: buffer: " << buffer(0) << endl;
- broadcast(context);
+ if (_broadcast)
+ broadcast_value(context, false);
}
diff --git a/src/engine/PortImpl.cpp b/src/engine/PortImpl.cpp
index 6b0bfcad..05fcfe67 100644
--- a/src/engine/PortImpl.cpp
+++ b/src/engine/PortImpl.cpp
@@ -177,29 +177,28 @@ PortImpl::clear_buffers()
void
PortImpl::broadcast_value(ProcessContext& context, bool force)
{
- if (_type == DataType::CONTROL || _type == DataType::AUDIO) {
- const Sample value = ((AudioBuffer*)buffer(0))->value_at(0);
- if (force || value != _last_broadcasted_value) {
- const Events::SendPortValue ev(context.engine(), context.start(), this, false, 0, value);
- context.event_sink().write(sizeof(ev), &ev);
- _last_broadcasted_value = value;
+ switch (_type.symbol()) {
+ case DataType::UNKNOWN:
+ break;
+ case DataType::AUDIO:
+ case DataType::CONTROL:
+ {
+ const Sample val = ((AudioBuffer*)buffer(0))->value_at(0);
+ if (force || val != _last_broadcasted_value) {
+ _last_broadcasted_value = val;
+ const Events::SendPortValue ev(context.engine(), context.start(), this, false, 0, val);
+ context.event_sink().write(sizeof(ev), &ev);
+ }
}
- } else if (_type == DataType::EVENT) {
+ break;
+ case DataType::EVENT:
if (((EventBuffer*)buffer(0))->event_count() > 0) {
const Events::SendPortActivity ev(context.engine(), context.start(), this);
context.event_sink().write(sizeof(ev), &ev);
}
+ break;
}
}
-void
-PortImpl::broadcast(ProcessContext& context)
-{
- if (_broadcast)
- broadcast_value(context);
-}
-
-
-
} // namespace Ingen
diff --git a/src/engine/PortImpl.hpp b/src/engine/PortImpl.hpp
index d58e2b7d..986e8233 100644
--- a/src/engine/PortImpl.hpp
+++ b/src/engine/PortImpl.hpp
@@ -130,7 +130,6 @@ protected:
virtual void allocate_buffers();
virtual void connect_buffers();
- virtual void broadcast(ProcessContext& context);
uint32_t _index;
uint32_t _poly;
diff --git a/src/engine/events/SetMetadata.cpp b/src/engine/events/SetMetadata.cpp
index bc73e793..e991bcf5 100644
--- a/src/engine/events/SetMetadata.cpp
+++ b/src/engine/events/SetMetadata.cpp
@@ -185,30 +185,30 @@ SetMetadata::execute(ProcessContext& context)
PortImpl* port = 0;
GraphObjectImpl* object = 0;
switch (*t) {
- case ENABLE_BROADCAST:
- if ((port = dynamic_cast<PortImpl*>(_object)))
- port->broadcast(value.get_bool());
- break;
- case ENABLE:
- if (value.get_bool()) {
- if (!_patch->compiled_patch())
- _patch->compiled_patch(_compiled_patch);
- _patch->enable();
- } else {
- _patch->disable();
- }
- break;
- case POLYPHONIC:
- if ((object = dynamic_cast<GraphObjectImpl*>(_object)))
- if (!object->set_polyphonic(*_engine.maid(), value.get_bool()))
- _error = INTERNAL;
- break;
- case POLYPHONY:
- if (!_patch->apply_internal_poly(*_engine.maid(), value.get_int32()))
+ case ENABLE_BROADCAST:
+ if ((port = dynamic_cast<PortImpl*>(_object)))
+ port->broadcast(value.get_bool());
+ break;
+ case ENABLE:
+ if (value.get_bool()) {
+ if (!_patch->compiled_patch())
+ _patch->compiled_patch(_compiled_patch);
+ _patch->enable();
+ } else {
+ _patch->disable();
+ }
+ break;
+ case POLYPHONIC:
+ if ((object = dynamic_cast<GraphObjectImpl*>(_object)))
+ if (!object->set_polyphonic(*_engine.maid(), value.get_bool()))
_error = INTERNAL;
- break;
- default:
- _success = true;
+ break;
+ case POLYPHONY:
+ if (!_patch->apply_internal_poly(*_engine.maid(), value.get_int32()))
+ _error = INTERNAL;
+ break;
+ default:
+ _success = true;
}
}