2 Copyright (C) 2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "ardour/buffer.h"
23 #include "ardour/buffer_manager.h"
24 #include "ardour/buffer_set.h"
25 #include "ardour/process_thread.h"
26 #include "ardour/thread_buffers.h"
28 using namespace ARDOUR;
33 release_thread_buffer (void* arg)
35 BufferManager::put_thread_buffers ((ThreadBuffers*) arg);
38 Glib::Threads::Private<ThreadBuffers> ProcessThread::_private_thread_buffers (release_thread_buffer);
41 ProcessThread::init ()
45 ProcessThread::ProcessThread ()
49 ProcessThread::~ProcessThread ()
54 ProcessThread::get_buffers ()
56 ThreadBuffers* tb = BufferManager::get_thread_buffers ();
59 _private_thread_buffers.set (tb);
63 ProcessThread::drop_buffers ()
65 ThreadBuffers* tb = _private_thread_buffers.get();
67 BufferManager::put_thread_buffers (tb);
68 _private_thread_buffers.set (0);
72 ProcessThread::get_silent_buffers (ChanCount count)
74 ThreadBuffers* tb = _private_thread_buffers.get();
77 BufferSet* sb = tb->silent_buffers;
80 assert(sb->available() >= count);
83 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
84 for (size_t i= 0; i < count.get(*t); ++i) {
85 sb->get(*t, i).clear();
93 ProcessThread::get_scratch_buffers (ChanCount count, bool silence)
95 ThreadBuffers* tb = _private_thread_buffers.get();
98 BufferSet* sb = tb->scratch_buffers;
101 if (count != ChanCount::ZERO) {
102 assert(sb->available() >= count);
103 sb->set_count (count);
105 sb->set_count (sb->available());
109 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
110 for (uint32_t i = 0; i < sb->count().get(*t); ++i) {
111 sb->get(*t, i).clear();
120 ProcessThread::get_route_buffers (ChanCount count, bool silence)
122 ThreadBuffers* tb = _private_thread_buffers.get();
125 BufferSet* sb = tb->route_buffers;
128 if (count != ChanCount::ZERO) {
129 assert(sb->available() >= count);
130 sb->set_count (count);
132 sb->set_count (sb->available());
136 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
137 for (uint32_t i = 0; i < sb->count().get(*t); ++i) {
138 sb->get(*t, i).clear();
147 ProcessThread::get_mix_buffers (ChanCount count)
149 ThreadBuffers* tb = _private_thread_buffers.get();
152 BufferSet* mb = tb->mix_buffers;
155 assert (mb->available() >= count);
156 mb->set_count(count);
161 ProcessThread::gain_automation_buffer()
163 ThreadBuffers* tb = _private_thread_buffers.get();
166 gain_t *g = tb->gain_automation_buffer;
172 ProcessThread::send_gain_automation_buffer()
174 ThreadBuffers* tb = _private_thread_buffers.get();
177 gain_t* g = tb->send_gain_automation_buffer;
183 ProcessThread::pan_automation_buffer()
185 ThreadBuffers* tb = _private_thread_buffers.get();
188 pan_t** p = tb->pan_automation_buffer;