base audio renderer classes created

app/node/processor/audiorenderer/audiorendererthreadbase.cpp

@@ -0,0 +1,69 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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 3 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, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "audiorendererthreadbase.h"
+
+#include <QDebug>
+
+AudioRendererThreadBase::AudioRendererThreadBase(const int &sample_rate, const uint64_t &channel_layout, const olive::SampleFormat &format) :
+  audio_params_(sample_rate, channel_layout, format)
+{
+}
+
+AudioRendererParams *AudioRendererThreadBase::params()
+{
+  return &audio_params_;
+}
+
+void AudioRendererThreadBase::run()
+{
+  // Lock mutex for main loop
+  mutex_.lock();
+
+  // Signal that main thread can continue now
+  WakeCaller();
+
+  // Main loop (use Cancel() to exit it)
+  ProcessLoop();
+
+  // Unlock mutex before exiting
+  mutex_.unlock();
+}
+
+void AudioRendererThreadBase::WakeCaller()
+{
+  // Signal that main thread can continue now
+  caller_mutex_.lock();
+  wait_cond_.wakeAll();
+  caller_mutex_.unlock();
+}
+
+void AudioRendererThreadBase::StartThread(QThread::Priority priority)
+{
+  caller_mutex_.lock();
+
+  // Start the thread
+  QThread::start(priority);
+
+  // Wait for thread to finish completion
+  wait_cond_.wait(&caller_mutex_);
+
+  caller_mutex_.unlock();
+}