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Diffstat (limited to 'src/libs/engine/TypedConnection.cpp')
| -rw-r--r-- | src/libs/engine/TypedConnection.cpp | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/libs/engine/TypedConnection.cpp b/src/libs/engine/TypedConnection.cpp deleted file mode 100644 index 677a5f4f..00000000 --- a/src/libs/engine/TypedConnection.cpp +++ /dev/null @@ -1,123 +0,0 @@ -/* This file is part of Ingen. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Ingen is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "TypedConnection.h" -#include "util.h" -#include "InputPort.h" -#include "OutputPort.h" -#include "Node.h" -#include "Port.h" - -namespace Ingen { - - -/** Constructor for a connection from a node's output port. - * - * This handles both polyphonic and monophonic nodes, transparently to the - * user (InputPort). - */ -template <typename T> -TypedConnection<T>::TypedConnection(OutputPort<T>* const src_port, InputPort<T>* const dst_port) -: Connection(src_port, dst_port), - _local_buffer(NULL), - _must_mix(true), - _buffer_size(src_port->buffer_size()), - _pending_disconnection(false) -{ - assert((src_port->parent_node()->poly() == dst_port->parent_node()->poly()) - || (src_port->parent_node()->poly() == 1 || dst_port->parent_node()->poly() == 1)); - - if (src_port->poly() == dst_port->poly()) - _must_mix = false; - else // Poly -> Mono connection, need a buffer to mix into - _local_buffer = new Buffer<T>(_buffer_size); - - //cerr << "Connection " << src_port->path() << " -> " << dst_port->path() - // << "\t mixing: " << _must_mix << endl; -} -template TypedConnection<Sample>::TypedConnection(OutputPort<Sample>* const src_port, InputPort<Sample>* const dst_port); -template TypedConnection<MidiMessage>::TypedConnection(OutputPort<MidiMessage>* const src_port, InputPort<MidiMessage>* const dst_port); - - -template <typename T> -TypedConnection<T>::~TypedConnection() -{ - delete _local_buffer; -} -template TypedConnection<Sample>::~TypedConnection(); -template TypedConnection<MidiMessage>::~TypedConnection(); - - -/** Allocate a mixdown buffer if necessary */ -template <typename T> -void -TypedConnection<T>::set_buffer_size(size_t size) -{ - if (_must_mix) { - assert(_local_buffer); - delete _local_buffer; - - _local_buffer = new Buffer<T>(size); - } - - _buffer_size = size; -} - - -template <typename Sample> -void -TypedConnection<Sample>::process(SampleCount nframes, FrameTime start, FrameTime end) -{ - // FIXME: nframes parameter not used - assert(_buffer_size == 1 || _buffer_size == nframes); - - /* Thought: A poly output port can be connected to multiple mono input - * ports, which means this mix down would have to happen many times. - * Adding a method to OutputPort that mixes down all it's outputs into - * a buffer (if it hasn't been done already this cycle) and returns that - * would avoid having to mix multiple times. Probably not a very common - * case, but it would be faster anyway. */ - - if (_must_mix) { - //cerr << "Mixing " << src_port()->buffer(0)->data() - // << " -> " << _local_buffer->data() << endl; - - _local_buffer->copy(src_port()->buffer(0), 0, _buffer_size-1); - - // Mix all the source's voices down into local buffer starting at the second - // voice (buffer is already set to first voice above) - for (size_t j=1; j < src_port()->poly(); ++j) - _local_buffer->accumulate(src_port()->buffer(j), 0, _buffer_size-1); - - // Scale the buffer down. - if (src_port()->poly() > 1) - _local_buffer->scale(1.0f/(float)src_port()->poly(), 0, _buffer_size-1); - } -} -template void TypedConnection<Sample>::process(SampleCount nframes, FrameTime start, FrameTime end); - - -// FIXME: MIDI mixing not implemented -template <> -void -TypedConnection<MidiMessage>::process(SampleCount nframes, FrameTime start, FrameTime end) -{ -} - - -} // namespace Ingen - |