Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 1 | /*************************************************************************** |
Edric Milaret | 5f316da | 2015-09-28 11:57:42 -0400 | [diff] [blame] | 2 | * Copyright (C) 2015 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 | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 21 | VideoWidget::VideoWidget(QWidget *parent) : |
| 22 | QWidget(parent) |
| 23 | , previewRenderer_(nullptr) |
| 24 | , renderer_(nullptr) |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 25 | { |
| 26 | connect(Video::PreviewManager::instance(), |
| 27 | SIGNAL(previewStarted(Video::Renderer*)), |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 28 | this, SLOT(previewStarted(Video::Renderer*))); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 29 | connect(CallModel::instance(), |
| 30 | SIGNAL(rendererAdded(Call*,Video::Renderer*)), |
| 31 | this, SLOT(callInitiated(Call*, Video::Renderer*)), |
| 32 | Qt::ConnectionType::DirectConnection); |
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 |
| 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; |
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 | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 60 | this, SLOT(renderingStopped())); |
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 | 1eca029 | 2015-06-29 12:03:36 -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_); |
| 85 | if (currentDistantFrame_.storage.size() != 0) { |
| 86 | frameDistant_ = std::move(currentDistantFrame_.storage); |
| 87 | distantImage_.reset(new QImage((uchar*)frameDistant_.data(), |
| 88 | renderer_->size().width(), |
| 89 | renderer_->size().height(), |
| 90 | QImage::Format_ARGB32_Premultiplied)); |
| 91 | } |
| 92 | } |
| 93 | if (distantImage_) { |
| 94 | auto scaledDistant = distantImage_->scaled(size(), Qt::KeepAspectRatio); |
| 95 | auto xDiff = (width() - scaledDistant.width()) / 2; |
| 96 | auto yDiff = (height() - scaledDistant.height()) /2; |
| 97 | painter.drawImage(QRect(xDiff,yDiff,scaledDistant.width(),scaledDistant.height()), scaledDistant); |
| 98 | } |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 99 | } |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame^] | 100 | if (previewRenderer_) { |
| 101 | { |
| 102 | QMutexLocker lock(&mutex_); |
| 103 | if (currentPreviewFrame_.storage.size() != 0) { |
| 104 | framePreview_ = std::move(currentPreviewFrame_.storage); |
| 105 | previewImage_.reset(new QImage((uchar*)framePreview_.data(), |
| 106 | previewRenderer_->size().width(), |
| 107 | previewRenderer_->size().height(), |
| 108 | QImage::Format_ARGB32_Premultiplied)); |
| 109 | |
| 110 | } |
| 111 | } |
| 112 | if (previewImage_) { |
| 113 | auto previewHeight = !renderer_ ? height() : height()/4; |
| 114 | auto previewWidth = !renderer_ ? width() : width()/4; |
| 115 | auto scaledPreview = previewImage_->scaled(previewWidth, previewHeight, Qt::KeepAspectRatio); |
| 116 | auto xDiff = (previewWidth - scaledPreview.width()) / 2; |
| 117 | auto yDiff = (previewHeight - scaledPreview.height()) / 2; |
| 118 | auto yPos = !renderer_ ? yDiff : height() - previewHeight - previewMargin_; |
| 119 | auto xPos = !renderer_ ? xDiff : width() - scaledPreview.width() - previewMargin_; |
| 120 | painter.drawImage(QRect(xPos,yPos,scaledPreview.width(),scaledPreview.height()), |
| 121 | scaledPreview); |
| 122 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 123 | } |
| 124 | painter.end(); |
| 125 | } |
| 126 | |
| 127 | void |
| 128 | VideoWidget::callInitiated(Call* call, Video::Renderer *renderer) { |
| 129 | Q_UNUSED(call) |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 130 | //Enforce that only one videowidget we'll be used at the same time |
| 131 | if (not isVisible()) |
| 132 | return; |
Edric Milaret | 5397161 | 2015-07-15 10:00:04 -0400 | [diff] [blame] | 133 | renderer_ = renderer; |
| 134 | connect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 135 | connect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped()), |
| 136 | Qt::ConnectionType::DirectConnection); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | void |
| 140 | VideoWidget::frameFromDistant() { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 141 | if (renderer_ && renderer_->isRendering()) { |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame^] | 142 | { |
| 143 | QMutexLocker lock(&mutex_); |
| 144 | auto tmp = renderer_->currentFrame(); |
| 145 | if (tmp.storage.size()) |
| 146 | currentDistantFrame_ = tmp; |
| 147 | |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame] | 148 | } |
Edric Milaret | 37157b3 | 2015-10-13 18:00:03 -0400 | [diff] [blame^] | 149 | update(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 150 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | void |
| 154 | VideoWidget::renderingStopped() { |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 155 | disconnect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 156 | disconnect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 157 | renderer_ = nullptr; |
| 158 | } |