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-rw-r--r--src/libs/engine/DuplexPort.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/libs/engine/DuplexPort.cpp b/src/libs/engine/DuplexPort.cpp
index f4a71aae..c498c774 100644
--- a/src/libs/engine/DuplexPort.cpp
+++ b/src/libs/engine/DuplexPort.cpp
@@ -40,5 +40,31 @@ DuplexPort::DuplexPort(Node* parent, const string& name, size_t index, size_t po
}
+void
+DuplexPort::pre_process(SampleCount nframes, FrameTime start, FrameTime end)
+{
+ if (_is_output) {
+ for (size_t i=0; i < _poly; ++i)
+ _buffers.at(i)->prepare_write(nframes);
+ } else {
+ for (size_t i=0; i < _poly; ++i)
+ _buffers.at(i)->prepare_read(nframes);
+ }
+}
+
+
+void
+DuplexPort::post_process(SampleCount nframes, FrameTime start, FrameTime end)
+{
+ if (_is_output) {
+ for (size_t i=0; i < _poly; ++i)
+ _buffers.at(i)->prepare_read(nframes);
+ } else {
+ for (size_t i=0; i < _poly; ++i)
+ _buffers.at(i)->prepare_write(nframes);
+ }
+}
+
+
} // namespace Ingen