mirror of
https://github.com/love2d/love.git
synced 2026-08-12 08:30:56 +02:00
Alex Szpakowski
122 lines
2.3 KiB
C++
122 lines
2.3 KiB
C++
/**
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* Copyright (c) 2006-2016 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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// STL
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#include <vector>
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// LOVE
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#include "Video.h"
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#include "common/delay.h"
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#include "timer/Timer.h"
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namespace love
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{
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namespace video
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{
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namespace theora
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{
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Video::Video()
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{
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workerThread = new Worker();
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workerThread->start();
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}
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Video::~Video()
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{
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delete workerThread;
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}
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VideoStream *Video::newVideoStream(love::filesystem::File *file)
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{
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VideoStream *stream = new VideoStream(file);
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workerThread->addStream(stream);
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return stream;
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}
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const char *Video::getName() const
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{
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return "love.video.theora";
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}
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Worker::Worker()
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: stopping(false)
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{
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threadName = "VideoWorker";
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}
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Worker::~Worker()
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{
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stop();
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}
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void Worker::addStream(VideoStream *stream)
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{
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love::thread::Lock l(mutex);
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streams.push_back(stream);
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}
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void Worker::stop()
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{
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{
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love::thread::Lock l(mutex);
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stopping = true;
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}
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owner->wait();
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}
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void Worker::threadFunction()
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{
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double lastFrame = love::timer::Timer::getTimeSinceEpoch();
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while (true)
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{
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double curFrame = love::timer::Timer::getTimeSinceEpoch();
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double dt = curFrame-lastFrame;
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lastFrame = curFrame;
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{
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love::thread::Lock l(mutex);
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if (stopping)
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return;
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for (auto it = streams.begin(); it != streams.end(); ++it)
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{
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VideoStream *stream = *it;
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if (stream->getReferenceCount() == 1)
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{
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// We're the only ones left
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streams.erase(it);
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break;
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}
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stream->threadedFillBackBuffer(dt);
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}
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}
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love::sleep(2);
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}
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}
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} // theora
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} // video
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} // love
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