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-rw-r--r--libs/ardour/buffer_set.cc27
1 files changed, 27 insertions, 0 deletions
diff --git a/libs/ardour/buffer_set.cc b/libs/ardour/buffer_set.cc
index 005a4dae65..319444e1b9 100644
--- a/libs/ardour/buffer_set.cc
+++ b/libs/ardour/buffer_set.cc
@@ -225,5 +225,32 @@ BufferSet::read_from (BufferSet& in, nframes_t nframes)
set_count(in.count());
}
+// FIXME: make 'in' const
+void
+BufferSet::merge_from (BufferSet& in, nframes_t nframes)
+{
+ assert(available() >= in.count());
+
+ /* merge all input buffers into out existing buffers */
+ for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+ BufferSet::iterator o = begin(*t);
+ for (BufferSet::iterator i = in.begin(*t); i != in.end(*t); ++i, ++o) {
+ o->merge_from (*i, nframes);
+ }
+ }
+
+ set_count (in.count());
+}
+
+void
+BufferSet::silence (nframes_t nframes, nframes_t offset)
+{
+ for (std::vector<BufferVec>::iterator i = _buffers.begin(); i != _buffers.end(); ++i) {
+ for (BufferVec::iterator b = i->begin(); b != i->end(); ++b) {
+ (*b)->silence (nframes, offset);
+ }
+ }
+}
+
} // namespace ARDOUR