atraczyk | 14ba30c | 2016-09-22 18:31:59 -0400 | [diff] [blame] | 1 | /**************************************************************************
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| 2 | * Copyright (C) 2016 by Savoir-faire Linux *
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| 3 | * Author: Jäger Nicolas <nicolas.jager@savoirfairelinux.com> *
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| 4 | * Author: Traczyk Andreas <andreas.traczyk@savoirfairelinux.com> *
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| 5 | * *
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| 6 | * This program is free software; you can redistribute it and/or modify *
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| 7 | * it under the terms of the GNU General Public License as published by *
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| 8 | * the Free Software Foundation; either version 3 of the License, or *
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| 9 | * (at your option) any later version. *
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| 10 | * *
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| 11 | * This program is distributed in the hope that it will be useful, *
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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| 14 | * GNU General Public License for more details. *
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| 15 | * *
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| 16 | * You should have received a copy of the GNU General Public License *
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| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. *
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| 18 | **************************************************************************/
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| 19 |
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| 20 | #include "pch.h"
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| 21 |
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| 22 | #include "VideoRendererManager.h"
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| 23 |
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| 24 | using namespace RingClientUWP;
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| 25 | using namespace Video;
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| 26 |
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| 27 | using namespace Platform;
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| 28 |
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| 29 | using namespace Windows::UI::Core;
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| 30 | using namespace Windows::ApplicationModel::Core;
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| 31 |
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| 32 | void
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| 33 | VideoRenderer::bindSinkFunctions()
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| 34 | {
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| 35 | using namespace std::placeholders;
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| 36 | target.pull = std::bind(&VideoRenderer::requestFrameBuffer,this, _1);
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| 37 | target.push = std::bind(&VideoRenderer::onNewFrame,this, _1);
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| 38 | }
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| 39 |
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| 40 | DRing::SinkTarget::FrameBufferPtr
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| 41 | VideoRenderer::requestFrameBuffer(std::size_t bytes)
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| 42 | {
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| 43 | std::lock_guard<std::mutex> lk(video_mutex);
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| 44 | if (!daemonFramePtr_)
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| 45 | daemonFramePtr_.reset(new DRing::FrameBuffer);
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| 46 | daemonFramePtr_->storage.resize(bytes);
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| 47 | daemonFramePtr_->ptr = daemonFramePtr_->storage.data();
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| 48 | daemonFramePtr_->ptrSize = bytes;
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| 49 | return std::move(daemonFramePtr_);
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| 50 | }
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| 51 |
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| 52 | void
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| 53 | VideoRenderer::onNewFrame(DRing::SinkTarget::FrameBufferPtr buf)
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| 54 | {
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| 55 | std::lock_guard<std::mutex> lk(video_mutex);
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| 56 | daemonFramePtr_ = std::move(buf);
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| 57 | auto id = Utils::toPlatformString(this->id);
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| 58 | VideoManager::instance->rendererManager()->raiseWriteVideoFrame(id);
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| 59 | }
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| 60 |
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| 61 | VideoRendererManager::VideoRendererManager()
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| 62 | {
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| 63 | renderers = ref new Map<String^, VideoRendererWrapper^>();
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| 64 | }
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| 65 |
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| 66 | void
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| 67 | VideoRendererManager::startedDecoding(String^ id, int width, int height)
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| 68 | {
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| 69 | renderers->Insert(id, ref new VideoRendererWrapper());
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| 70 | auto renderer = renderers->Lookup(id)->renderer;
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| 71 | renderer->id = Utils::toString(id);
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| 72 | renderer->bindSinkFunctions();
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| 73 | renderer->width = width;
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| 74 | renderer->height = height;
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| 75 | MSG_(Utils::toString( "startedDecoding for sink id: " + id).c_str());
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| 76 | registerSinkTarget(id, renderer->target);
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| 77 | }
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| 78 |
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| 79 | void
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| 80 | VideoRendererManager::registerSinkTarget(String^ sinkID, const DRing::SinkTarget& target)
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| 81 | {
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| 82 | MSG_(Utils::toString( "registerSinkTarget for sink id: " + sinkID).c_str());
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| 83 | DRing::registerSinkTarget(Utils::toString(sinkID), target);
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| 84 | }
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| 85 |
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| 86 | void
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| 87 | VideoRendererManager::raiseWriteVideoFrame(String^ id)
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| 88 | {
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| 89 | auto renderer = renderers->Lookup(id)->renderer;
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| 90 | if (!renderer)
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| 91 | return;
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| 92 | writeVideoFrame(id,
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| 93 | renderer->daemonFramePtr_->ptr,
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| 94 | renderer->width,
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| 95 | renderer->height);
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| 96 | }
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| 97 |
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| 98 | void
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| 99 | VideoRendererManager::raiseClearRenderTarget()
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| 100 | {
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| 101 | clearRenderTarget();
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| 102 | }
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| 103 |
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| 104 | void
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| 105 | VideoRendererManager::removeRenderer(String^ id)
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| 106 | {
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| 107 | if(!renderers)
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| 108 | return;
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| 109 | std::unique_lock<std::mutex> lk(renderers->Lookup(id)->render_mutex);
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| 110 | renderers->Lookup(id)->frame_cv.wait(lk, [=] {
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| 111 | return !renderers->Lookup(id)->isRendering;
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| 112 | });
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| 113 | renderers->Remove(id);
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| 114 | }
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| 115 |
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| 116 | VideoRendererWrapper^
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| 117 | VideoRendererManager::renderer(String^ id)
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| 118 | {
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| 119 | if(!renderers)
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| 120 | return nullptr;
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| 121 | return renderers->Lookup(id);
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| 122 | } |