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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/**
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* @file
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* @brief Source file for VideoPlaybackThread class
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* @author Duzy Chan <code@duzy.info>
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @section LICENSE
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*
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* Copyright (c) 2008-2014 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../../include/Qt/VideoPlaybackThread.h"
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namespace openshot
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{
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// Constructor
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VideoPlaybackThread::VideoPlaybackThread(RendererBase *rb)
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: Thread("video-playback"), renderer(rb)
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, render(), reset(false)
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{
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}
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// Destructor
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VideoPlaybackThread::~VideoPlaybackThread()
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{
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}
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// Get the currently playing frame number (if any)
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int VideoPlaybackThread::getCurrentFramePosition()
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{
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if (frame)
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return frame->number;
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else
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return 0;
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}
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// Start the thread
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void VideoPlaybackThread::run()
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{
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while (!threadShouldExit()) {
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// Make other threads wait on the render event
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bool need_render = render.wait(500);
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if (need_render)
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{
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// Debug
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ZmqLogger::Instance()->AppendDebugMethod("VideoPlaybackThread::run (before render)", "frame->number", frame->number, "need_render", need_render, "", -1, "", -1, "", -1, "", -1);
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// Render the frame to the screen
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renderer->paint(frame);
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// Signal to other threads that the rendered event has completed
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rendered.signal();
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// Debug
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ZmqLogger::Instance()->AppendDebugMethod("VideoPlaybackThread::run (after render)", "frame->number", frame->number, "need_render", need_render, "", -1, "", -1, "", -1, "", -1);
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}
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}
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return;
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}
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}
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