Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 1 | /*************************************************************************** |
Edric Milaret | bab169d | 2016-01-07 15:13:33 -0500 | [diff] [blame] | 2 | * Copyright (C) 2015-2016 by Savoir-faire Linux * |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 3 | * Author: Edric Ladent Milaret <edric.ladent-milaret@savoirfairelinux.com>* |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU General Public License as published by * |
| 7 | * the Free Software Foundation; either version 3 of the License, or * |
| 8 | * (at your option) any later version. * |
| 9 | * * |
| 10 | * This program is distributed in the hope that it will be useful, * |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 13 | * GNU General Public License for more details. * |
| 14 | * * |
| 15 | * You should have received a copy of the GNU General Public License * |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. * |
| 17 | **************************************************************************/ |
| 18 | |
| 19 | #include "videowidget.h" |
| 20 | |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 21 | VideoWidget::VideoWidget(QWidget* parent) : |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 22 | QWidget(parent) |
| 23 | , previewRenderer_(nullptr) |
| 24 | , renderer_(nullptr) |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 25 | , isPreviewDisplayed_(true) |
Edric Milaret | 0b7fe5d | 2016-01-27 11:12:43 -0500 | [diff] [blame] | 26 | , fullPreview_(false) |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 27 | { |
Edric Milaret | a3e4728 | 2015-10-23 15:20:30 -0400 | [diff] [blame] | 28 | connect(&Video::PreviewManager::instance(), |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 29 | SIGNAL(previewStarted(Video::Renderer*)), |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 30 | this, SLOT(previewStarted(Video::Renderer*))); |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 31 | |
| 32 | QPalette pal(palette()); |
| 33 | pal.setColor(QPalette::Background, Qt::black); |
| 34 | this->setAutoFillBackground(true); |
| 35 | this->setPalette(pal); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | VideoWidget::~VideoWidget() |
| 39 | {} |
| 40 | |
| 41 | void |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 42 | VideoWidget::previewStarted(Video::Renderer* renderer) { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 43 | //Enforce that only one videowidget we'll be used at the same time |
| 44 | if (not isVisible()) |
| 45 | return; |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 46 | if (previewRenderer_ == renderer) |
| 47 | return; |
Edric Milaret | 5397161 | 2015-07-15 10:00:04 -0400 | [diff] [blame] | 48 | previewRenderer_ = renderer; |
| 49 | connect(previewRenderer_, SIGNAL(frameUpdated()), |
| 50 | this, SLOT(frameFromPreview())); |
| 51 | connect(previewRenderer_, SIGNAL(stopped()), |
| 52 | this, SLOT(previewStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | void |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 56 | VideoWidget::previewStopped() { |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 57 | disconnect(previewRenderer_, SIGNAL(frameUpdated()), |
Edric Milaret | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 58 | this, SLOT(frameFromPreview())); |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 59 | disconnect(previewRenderer_, SIGNAL(stopped()), |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 60 | this, SLOT(previewStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 61 | previewRenderer_ = nullptr; |
| 62 | } |
| 63 | |
| 64 | void |
| 65 | VideoWidget::frameFromPreview() { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 66 | if (previewRenderer_ && previewRenderer_->isRendering()) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 67 | { |
| 68 | QMutexLocker lock(&mutex_); |
| 69 | auto tmp = previewRenderer_->currentFrame(); |
| 70 | if (tmp.storage.size()) |
| 71 | currentPreviewFrame_ = tmp; |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 72 | } |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 73 | update(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 74 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | void |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 78 | VideoWidget::paintEvent(QPaintEvent* evt) { |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 79 | Q_UNUSED(evt) |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 80 | QPainter painter(this); |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 81 | |
| 82 | if (renderer_) { |
| 83 | { |
| 84 | QMutexLocker lock(&mutex_); |
Edric Milaret | 571af07 | 2015-11-12 16:26:49 -0500 | [diff] [blame] | 85 | if (currentDistantFrame_.storage.size() != 0 |
| 86 | && currentDistantFrame_.storage.size() == |
Edric Milaret | bf67431 | 2016-01-25 10:59:11 -0500 | [diff] [blame] | 87 | (unsigned int)(renderer_->size().height()*renderer_->size().width()*4)) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 88 | frameDistant_ = std::move(currentDistantFrame_.storage); |
| 89 | distantImage_.reset(new QImage((uchar*)frameDistant_.data(), |
| 90 | renderer_->size().width(), |
| 91 | renderer_->size().height(), |
| 92 | QImage::Format_ARGB32_Premultiplied)); |
| 93 | } |
| 94 | } |
| 95 | if (distantImage_) { |
| 96 | auto scaledDistant = distantImage_->scaled(size(), Qt::KeepAspectRatio); |
| 97 | auto xDiff = (width() - scaledDistant.width()) / 2; |
| 98 | auto yDiff = (height() - scaledDistant.height()) /2; |
| 99 | painter.drawImage(QRect(xDiff,yDiff,scaledDistant.width(),scaledDistant.height()), scaledDistant); |
| 100 | } |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 101 | } |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 102 | if (previewRenderer_ && isPreviewDisplayed_) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 103 | { |
| 104 | QMutexLocker lock(&mutex_); |
Edric Milaret | 571af07 | 2015-11-12 16:26:49 -0500 | [diff] [blame] | 105 | if (currentPreviewFrame_.storage.size() != 0 |
| 106 | && currentPreviewFrame_.storage.size() == |
Edric Milaret | bf67431 | 2016-01-25 10:59:11 -0500 | [diff] [blame] | 107 | (unsigned int)(previewRenderer_->size().height()*previewRenderer_->size().width()*4)) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 108 | framePreview_ = std::move(currentPreviewFrame_.storage); |
| 109 | previewImage_.reset(new QImage((uchar*)framePreview_.data(), |
| 110 | previewRenderer_->size().width(), |
| 111 | previewRenderer_->size().height(), |
| 112 | QImage::Format_ARGB32_Premultiplied)); |
| 113 | |
| 114 | } |
| 115 | } |
| 116 | if (previewImage_) { |
Edric Milaret | 0b7fe5d | 2016-01-27 11:12:43 -0500 | [diff] [blame] | 117 | auto previewHeight = fullPreview_ ? height() : height()/4; |
| 118 | auto previewWidth = fullPreview_ ? width() : width()/4; |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 119 | auto scaledPreview = previewImage_->scaled(previewWidth, previewHeight, Qt::KeepAspectRatio); |
| 120 | auto xDiff = (previewWidth - scaledPreview.width()) / 2; |
| 121 | auto yDiff = (previewHeight - scaledPreview.height()) / 2; |
Edric Milaret | 0b7fe5d | 2016-01-27 11:12:43 -0500 | [diff] [blame] | 122 | auto yPos = fullPreview_ ? yDiff : height() - previewHeight - previewMargin_; |
| 123 | auto xPos = fullPreview_ ? xDiff : width() - scaledPreview.width() - previewMargin_; |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 124 | painter.drawImage(QRect(xPos,yPos,scaledPreview.width(),scaledPreview.height()), |
| 125 | scaledPreview); |
| 126 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 127 | } |
| 128 | painter.end(); |
| 129 | } |
| 130 | |
| 131 | void |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 132 | VideoWidget::setDistantRenderer(Video::Renderer* renderer) { |
| 133 | if (not renderer) |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 134 | return; |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 135 | if (renderer_ != renderer) { |
| 136 | renderingStopped(); |
| 137 | renderer_ = renderer; |
| 138 | connect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 139 | connect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped())); |
| 140 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | void |
| 144 | VideoWidget::frameFromDistant() { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 145 | if (renderer_ && renderer_->isRendering()) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 146 | { |
| 147 | QMutexLocker lock(&mutex_); |
| 148 | auto tmp = renderer_->currentFrame(); |
| 149 | if (tmp.storage.size()) |
| 150 | currentDistantFrame_ = tmp; |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 151 | } |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 152 | update(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 153 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 154 | } |
| 155 | |
| 156 | void |
| 157 | VideoWidget::renderingStopped() { |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 158 | if (not renderer_) |
| 159 | return; |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 160 | disconnect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 161 | disconnect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 162 | renderer_ = nullptr; |
| 163 | } |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 164 | |
| 165 | void |
| 166 | VideoWidget::setPreviewDisplay(bool display) { |
| 167 | isPreviewDisplayed_ = display; |
| 168 | } |
Edric Milaret | 0b7fe5d | 2016-01-27 11:12:43 -0500 | [diff] [blame] | 169 | |
| 170 | void |
| 171 | VideoWidget::setIsFullPreview(bool full) { |
| 172 | fullPreview_ = full; |
| 173 | } |