base audio renderer classes created

2019-10-16 13:51:56 +11:00
parent fe2b0f2dc2
commit d6483916ac
33 changed files with 896 additions and 116 deletions
@@ -0,0 +1,83 @@
+/***
+
+  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 "videorendererthreadbase.h"
+
+#include <QDebug>
+
+VideoRendererThreadBase::VideoRendererThreadBase(QOpenGLContext *share_ctx, const int &width, const int &height, const int &divider, const olive::PixelFormat &format, const olive::RenderMode &mode) :
+  share_ctx_(share_ctx),
+  render_instance_(width, height, divider, format, mode)
+{
+  connect(share_ctx_, SIGNAL(aboutToBeDestroyed()), this, SLOT(Cancel()));
+}
+
+RenderInstance *VideoRendererThreadBase::render_instance()
+{
+  return &render_instance_;
+}
+
+void VideoRendererThreadBase::run()
+{
+  // Lock mutex for main loop
+  mutex_.lock();
+
+  render_instance_.SetShareContext(share_ctx_);
+
+  // Allocate and create resources
+  bool started = render_instance_.Start();
+
+  // Signal that main thread can continue now
+  WakeCaller();
+
+  if (started) {
+
+    // Main loop (use Cancel() to exit it)
+    ProcessLoop();
+
+  }
+
+  // Free all resources
+  render_instance_.Stop();
+
+  // Unlock mutex before exiting
+  mutex_.unlock();
+}
+
+void VideoRendererThreadBase::WakeCaller()
+{
+  // Signal that main thread can continue now
+  caller_mutex_.lock();
+  wait_cond_.wakeAll();
+  caller_mutex_.unlock();
+}
+
+void VideoRendererThreadBase::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();
+}