/*
- Copyright (C) 2010 Paul Davis
-
- This program 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.
-
- This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
+ * Copyright (C) 2010-2017 Paul Davis <paul@linuxaudiosystems.com>
+ * Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
+ *
+ * This program 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.
+ *
+ * This program 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 more 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
#include <iostream>
#include <algorithm>
using namespace std;
ThreadBuffers::ThreadBuffers ()
- : silent_buffers (new BufferSet)
- , scratch_buffers (new BufferSet)
- , mix_buffers (new BufferSet)
- , gain_automation_buffer (0)
- , pan_automation_buffer (0)
- , npan_buffers (0)
+ : silent_buffers (new BufferSet)
+ , scratch_buffers (new BufferSet)
+ , noinplace_buffers (new BufferSet)
+ , route_buffers (new BufferSet)
+ , mix_buffers (new BufferSet)
+ , gain_automation_buffer (0)
+ , trim_automation_buffer (0)
+ , send_gain_automation_buffer (0)
+ , scratch_automation_buffer (0)
+ , pan_automation_buffer (0)
+ , npan_buffers (0)
{
}
void
-ThreadBuffers::ensure_buffers (ChanCount howmany)
+ThreadBuffers::ensure_buffers (ChanCount howmany, size_t custom)
{
- // std::cerr << "ThreadBuffers " << this << " resize buffers with count = " << howmany << std::endl;
+ // std::cerr << "ThreadBuffers " << this << " resize buffers with count = " << howmany << std::endl;
+
+ /* this is all protected by the process lock in the Session
+ */
- /* this is all protected by the process lock in the Session
- */
+ /* we always need at least 1 midi buffer */
+ if (howmany.n_midi() < 1) {
+ howmany.set_midi(1);
+ }
- if (howmany.n_total() == 0) {
- return;
- }
+ if (howmany.n_audio() == 0 && howmany.n_midi() == 1) {
+ return;
+ }
- AudioEngine* _engine = AudioEngine::instance ();
+ AudioEngine* _engine = AudioEngine::instance ();
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
size_t count = std::max (scratch_buffers->available().get(*t), howmany.get(*t));
- size_t size = _engine->raw_buffer_size (*t);
+ size_t size;
+ if (custom > 0) {
+ size = custom;
+ } else {
+ size = (*t == DataType::MIDI)
+ ? _engine->raw_buffer_size (*t)
+ : _engine->raw_buffer_size (*t) / sizeof (Sample);
+ }
scratch_buffers->ensure_buffers (*t, count, size);
+ noinplace_buffers->ensure_buffers (*t, count, size);
mix_buffers->ensure_buffers (*t, count, size);
- silent_buffers->ensure_buffers (*t, count, size);
+ silent_buffers->ensure_buffers (*t, count, size);
+ route_buffers->ensure_buffers (*t, count, size);
}
- delete [] gain_automation_buffer;
- gain_automation_buffer = new gain_t[_engine->raw_buffer_size (DataType::AUDIO)];
+ size_t audio_buffer_size = custom > 0 ? custom : _engine->raw_buffer_size (DataType::AUDIO) / sizeof (Sample);
+
+ delete [] gain_automation_buffer;
+ gain_automation_buffer = new gain_t[audio_buffer_size];
+ delete [] trim_automation_buffer;
+ trim_automation_buffer = new gain_t[audio_buffer_size];
+ delete [] send_gain_automation_buffer;
+ send_gain_automation_buffer = new gain_t[audio_buffer_size];
+ delete [] scratch_automation_buffer;
+ scratch_automation_buffer = new gain_t[audio_buffer_size];
- allocate_pan_automation_buffers (_engine->raw_buffer_size (DataType::AUDIO), howmany.n_audio(), false);
+ allocate_pan_automation_buffers (audio_buffer_size, howmany.n_audio(), false);
}
void
-ThreadBuffers::allocate_pan_automation_buffers (framecnt_t nframes, uint32_t howmany, bool force)
+ThreadBuffers::allocate_pan_automation_buffers (samplecnt_t nframes, uint32_t howmany, bool force)
{
- /* we always need at least 2 pan buffers */
+ /* we always need at least 2 pan buffers */
- howmany = max (2U, howmany);
+ howmany = max (2U, howmany);
if (!force && howmany <= npan_buffers) {
return;