Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 1 | /*************************************************************************** |
Anthony LĂ©onard | 2fde81d | 2017-04-17 10:06:55 -0400 | [diff] [blame] | 2 | * Copyright (C) 2015-2017 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 | 25236d9 | 2016-03-28 09:40:58 -0400 | [diff] [blame] | 21 | #include "utils.h" |
| 22 | |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 23 | VideoWidget::VideoWidget(QWidget* parent) : |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 24 | QWidget(parent) |
| 25 | , previewRenderer_(nullptr) |
| 26 | , renderer_(nullptr) |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 27 | , isPreviewDisplayed_(true) |
Edric Milaret | 0b7fe5d | 2016-01-27 11:12:43 -0500 | [diff] [blame] | 28 | , fullPreview_(false) |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 29 | { |
Edric Milaret | a3e4728 | 2015-10-23 15:20:30 -0400 | [diff] [blame] | 30 | connect(&Video::PreviewManager::instance(), |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 31 | SIGNAL(previewStarted(Video::Renderer*)), |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 32 | this, SLOT(previewStarted(Video::Renderer*))); |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 33 | |
| 34 | QPalette pal(palette()); |
| 35 | pal.setColor(QPalette::Background, Qt::black); |
| 36 | this->setAutoFillBackground(true); |
| 37 | this->setPalette(pal); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 38 | } |
| 39 | |
| 40 | VideoWidget::~VideoWidget() |
| 41 | {} |
| 42 | |
| 43 | void |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 44 | VideoWidget::previewStarted(Video::Renderer* renderer) { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 45 | //Enforce that only one videowidget we'll be used at the same time |
| 46 | if (not isVisible()) |
| 47 | return; |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 48 | |
| 49 | resetPreview_ = true; |
| 50 | |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 51 | if (previewRenderer_ == renderer) |
| 52 | return; |
Edric Milaret | 5397161 | 2015-07-15 10:00:04 -0400 | [diff] [blame] | 53 | previewRenderer_ = renderer; |
| 54 | connect(previewRenderer_, SIGNAL(frameUpdated()), |
| 55 | this, SLOT(frameFromPreview())); |
| 56 | connect(previewRenderer_, SIGNAL(stopped()), |
| 57 | this, SLOT(previewStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | void |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 61 | VideoWidget::previewStopped() { |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 62 | disconnect(previewRenderer_, SIGNAL(frameUpdated()), |
Edric Milaret | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 63 | this, SLOT(frameFromPreview())); |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 64 | disconnect(previewRenderer_, SIGNAL(stopped()), |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 65 | this, SLOT(previewStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 66 | previewRenderer_ = nullptr; |
Edric Milaret | 8f0a9ba | 2016-02-02 14:40:40 -0500 | [diff] [blame] | 67 | repaint(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | void |
| 71 | VideoWidget::frameFromPreview() { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 72 | if (previewRenderer_ && previewRenderer_->isRendering()) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 73 | { |
| 74 | QMutexLocker lock(&mutex_); |
| 75 | auto tmp = previewRenderer_->currentFrame(); |
| 76 | if (tmp.storage.size()) |
| 77 | currentPreviewFrame_ = tmp; |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 78 | } |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 79 | update(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 80 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | void |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 84 | VideoWidget::paintEvent(QPaintEvent* evt) { |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 85 | Q_UNUSED(evt) |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 86 | QPainter painter(this); |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 87 | |
| 88 | if (renderer_) { |
| 89 | { |
| 90 | QMutexLocker lock(&mutex_); |
Edric Milaret | 571af07 | 2015-11-12 16:26:49 -0500 | [diff] [blame] | 91 | if (currentDistantFrame_.storage.size() != 0 |
| 92 | && currentDistantFrame_.storage.size() == |
Edric Milaret | bf67431 | 2016-01-25 10:59:11 -0500 | [diff] [blame] | 93 | (unsigned int)(renderer_->size().height()*renderer_->size().width()*4)) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 94 | frameDistant_ = std::move(currentDistantFrame_.storage); |
| 95 | distantImage_.reset(new QImage((uchar*)frameDistant_.data(), |
| 96 | renderer_->size().width(), |
| 97 | renderer_->size().height(), |
| 98 | QImage::Format_ARGB32_Premultiplied)); |
| 99 | } |
| 100 | } |
| 101 | if (distantImage_) { |
| 102 | auto scaledDistant = distantImage_->scaled(size(), Qt::KeepAspectRatio); |
| 103 | auto xDiff = (width() - scaledDistant.width()) / 2; |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 104 | auto yDiff = (height() - scaledDistant.height()) / 2; |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 105 | painter.drawImage(QRect(xDiff,yDiff,scaledDistant.width(),scaledDistant.height()), scaledDistant); |
| 106 | } |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 107 | } |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 108 | if (previewRenderer_ && isPreviewDisplayed_) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 109 | { |
| 110 | QMutexLocker lock(&mutex_); |
Edric Milaret | 571af07 | 2015-11-12 16:26:49 -0500 | [diff] [blame] | 111 | if (currentPreviewFrame_.storage.size() != 0 |
| 112 | && currentPreviewFrame_.storage.size() == |
Edric Milaret | bf67431 | 2016-01-25 10:59:11 -0500 | [diff] [blame] | 113 | (unsigned int)(previewRenderer_->size().height()*previewRenderer_->size().width()*4)) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 114 | framePreview_ = std::move(currentPreviewFrame_.storage); |
| 115 | previewImage_.reset(new QImage((uchar*)framePreview_.data(), |
| 116 | previewRenderer_->size().width(), |
| 117 | previewRenderer_->size().height(), |
| 118 | QImage::Format_ARGB32_Premultiplied)); |
| 119 | |
| 120 | } |
| 121 | } |
| 122 | if (previewImage_) { |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 123 | if(resetPreview_) { |
| 124 | auto previewHeight = fullPreview_ ? height() : height() / 4; |
| 125 | auto previewWidth = fullPreview_ ? width() : width() / 4; |
Edric Milaret | 25236d9 | 2016-03-28 09:40:58 -0400 | [diff] [blame] | 126 | QImage scaledPreview; |
| 127 | if (photoMode_) |
| 128 | scaledPreview = Utils::getCirclePhoto(*previewImage_, previewHeight); |
| 129 | else |
| 130 | scaledPreview = previewImage_->scaled(previewWidth, previewHeight, Qt::KeepAspectRatio); |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 131 | auto xDiff = (previewWidth - scaledPreview.width()) / 2; |
| 132 | auto yDiff = (previewHeight - scaledPreview.height()) / 2; |
| 133 | auto yPos = fullPreview_ ? yDiff : height() - previewHeight - previewMargin_; |
| 134 | auto xPos = fullPreview_ ? xDiff : width() - scaledPreview.width() - previewMargin_; |
| 135 | previewGeometry_.setRect(xPos, yPos, scaledPreview.width(), scaledPreview.height()); |
| 136 | painter.drawImage(previewGeometry_, scaledPreview); |
| 137 | resetPreview_ = false; |
| 138 | } |
| 139 | |
Edric Milaret | 25236d9 | 2016-03-28 09:40:58 -0400 | [diff] [blame] | 140 | QImage scaledPreview; |
| 141 | if (photoMode_) |
| 142 | scaledPreview = Utils::getCirclePhoto(*previewImage_, previewGeometry_.height()); |
| 143 | else |
| 144 | scaledPreview = previewImage_->scaled(previewGeometry_.width(), |
| 145 | previewGeometry_.height(), |
| 146 | Qt::KeepAspectRatio); |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 147 | previewGeometry_.setWidth(scaledPreview.width()); |
| 148 | previewGeometry_.setHeight(scaledPreview.height()); |
Edric Milaret | 25236d9 | 2016-03-28 09:40:58 -0400 | [diff] [blame] | 149 | |
Nicolas Jager | c7b8e4b | 2016-02-29 09:20:40 -0500 | [diff] [blame] | 150 | painter.drawImage(previewGeometry_, scaledPreview); |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 151 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 152 | } |
| 153 | painter.end(); |
| 154 | } |
| 155 | |
| 156 | void |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 157 | VideoWidget::setDistantRenderer(Video::Renderer* renderer) { |
| 158 | if (not renderer) |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 159 | return; |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 160 | if (renderer_ != renderer) { |
| 161 | renderingStopped(); |
| 162 | renderer_ = renderer; |
| 163 | connect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 164 | connect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped())); |
| 165 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | void |
| 169 | VideoWidget::frameFromDistant() { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 170 | if (renderer_ && renderer_->isRendering()) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 171 | { |
| 172 | QMutexLocker lock(&mutex_); |
| 173 | auto tmp = renderer_->currentFrame(); |
| 174 | if (tmp.storage.size()) |
| 175 | currentDistantFrame_ = tmp; |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 176 | } |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame] | 177 | update(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 178 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | void |
| 182 | VideoWidget::renderingStopped() { |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 183 | if (not renderer_) |
| 184 | return; |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 185 | disconnect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 186 | disconnect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 187 | renderer_ = nullptr; |
Edric Milaret | 8f0a9ba | 2016-02-02 14:40:40 -0500 | [diff] [blame] | 188 | repaint(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 189 | } |
Edric Milaret | 80e0b21 | 2015-10-16 10:07:43 -0400 | [diff] [blame] | 190 | |
| 191 | void |
| 192 | VideoWidget::setPreviewDisplay(bool display) { |
| 193 | isPreviewDisplayed_ = display; |
| 194 | } |
Edric Milaret | 0b7fe5d | 2016-01-27 11:12:43 -0500 | [diff] [blame] | 195 | |
| 196 | void |
| 197 | VideoWidget::setIsFullPreview(bool full) { |
| 198 | fullPreview_ = full; |
| 199 | } |
Edric Milaret | 25236d9 | 2016-03-28 09:40:58 -0400 | [diff] [blame] | 200 | |
| 201 | QImage |
| 202 | VideoWidget::takePhoto() { |
| 203 | if (previewImage_) |
| 204 | return previewImage_.get()->copy(); |
| 205 | return QImage(); |
| 206 | } |
| 207 | |
| 208 | void |
| 209 | VideoWidget::setPhotoMode(bool isPhotoMode) { |
| 210 | |
| 211 | photoMode_ = isPhotoMode; |
| 212 | auto color = isPhotoMode ? Qt::transparent : Qt::black; |
| 213 | |
| 214 | QPalette pal(palette()); |
| 215 | pal.setColor(QPalette::Background, color); |
| 216 | setAutoFillBackground(true); |
| 217 | setPalette(pal); |
| 218 | } |