Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 1 | /*************************************************************************** |
Edric Milaret | 4bba46d | 2015-04-29 16:33:38 -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) |
| 25 | , previewFrame_(nullptr) |
| 26 | , distantFrame_(nullptr) |
| 27 | { |
| 28 | connect(Video::PreviewManager::instance(), |
| 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 | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 31 | connect(CallModel::instance(), |
| 32 | SIGNAL(rendererAdded(Call*,Video::Renderer*)), |
| 33 | this, SLOT(callInitiated(Call*, Video::Renderer*)), |
| 34 | Qt::ConnectionType::DirectConnection); |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 35 | |
| 36 | QPalette pal(palette()); |
| 37 | pal.setColor(QPalette::Background, Qt::black); |
| 38 | this->setAutoFillBackground(true); |
| 39 | this->setPalette(pal); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | VideoWidget::~VideoWidget() |
| 43 | {} |
| 44 | |
| 45 | void |
| 46 | VideoWidget::previewStarted(Video::Renderer *renderer) { |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 47 | previewRenderer_ = renderer; |
| 48 | connect(previewRenderer_, SIGNAL(frameUpdated()), |
| 49 | this, SLOT(frameFromPreview())); |
| 50 | connect(previewRenderer_, SIGNAL(stopped()), |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 51 | this, SLOT(previewStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | void |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 55 | VideoWidget::previewStopped() { |
| 56 | QMutexLocker {&lock_}; |
Edric Milaret | 029b95a | 2015-06-09 09:51:44 -0400 | [diff] [blame^] | 57 | if (previewFrame_) { |
| 58 | delete previewFrame_; |
| 59 | previewFrame_ = nullptr; |
| 60 | } |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 61 | disconnect(previewRenderer_, SIGNAL(frameUpdated()), |
| 62 | this, SLOT(frameFromPreview())); |
| 63 | disconnect(previewRenderer_, SIGNAL(stopped()), |
| 64 | this, SLOT(renderingStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 65 | previewRenderer_ = nullptr; |
| 66 | } |
| 67 | |
| 68 | void |
| 69 | VideoWidget::frameFromPreview() { |
| 70 | if (previewFrame_) { |
| 71 | delete previewFrame_; |
| 72 | previewFrame_ = nullptr; |
| 73 | } |
| 74 | if (previewRenderer_ && previewRenderer_->isRendering()) { |
| 75 | const QSize size(previewRenderer_->size()); |
| 76 | previewFrame_ = new QImage( |
| 77 | (const uchar*)previewRenderer_->currentFrame().constData(), |
| 78 | size.width(), size.height(), QImage::Format_RGBA8888); |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -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 |
| 84 | VideoWidget::paintEvent(QPaintEvent* evt) { |
| 85 | Q_UNUSED(evt) |
| 86 | QMutexLocker {&lock_}; |
| 87 | QPainter painter(this); |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 88 | |
| 89 | if (distantFrame_ && renderer_ && renderer_->isRendering()) { |
| 90 | auto scaledDistant = distantFrame_->scaled(size(), Qt::KeepAspectRatio); |
| 91 | auto xDiff = (width() - scaledDistant.width()) / 2; |
| 92 | auto yDiff = (height() - scaledDistant.height()) /2; |
| 93 | painter.drawImage(QRect(xDiff,yDiff,scaledDistant.width(),scaledDistant.height()), scaledDistant); |
| 94 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 95 | if (previewFrame_ && previewRenderer_ && previewRenderer_->isRendering()) { |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 96 | auto previewHeight = !renderer_ ? height() : height()/4; |
| 97 | auto previewWidth = !renderer_ ? width() : width()/4; |
| 98 | auto scaledPreview = previewFrame_->scaled(previewWidth, previewHeight, Qt::KeepAspectRatio); |
| 99 | auto xDiff = (previewWidth - scaledPreview.width()) / 2; |
| 100 | auto yDiff = (previewHeight - scaledPreview.height()) / 2; |
| 101 | auto yPos = !renderer_ ? yDiff : height() - previewHeight - previewMargin_; |
| 102 | auto xPos = !renderer_ ? xDiff : width() - scaledPreview.width() - previewMargin_; |
| 103 | painter.drawImage(QRect(xPos,yPos,scaledPreview.width(),scaledPreview.height()), |
| 104 | scaledPreview); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 105 | } |
| 106 | painter.end(); |
| 107 | } |
| 108 | |
| 109 | void |
| 110 | VideoWidget::callInitiated(Call* call, Video::Renderer *renderer) { |
| 111 | Q_UNUSED(call) |
| 112 | renderer_ = renderer; |
| 113 | connect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 114 | connect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped()), |
| 115 | Qt::ConnectionType::DirectConnection); |
| 116 | } |
| 117 | |
| 118 | void |
| 119 | VideoWidget::frameFromDistant() { |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 120 | if (distantFrame_) { |
| 121 | delete distantFrame_; |
| 122 | distantFrame_ = nullptr; |
| 123 | } |
| 124 | if (renderer_) { |
| 125 | const QSize size(renderer_->size()); |
| 126 | distantFrame_ = new QImage( |
| 127 | (const uchar*) renderer_->currentFrame().constData(), |
| 128 | size.width(), size.height(), QImage::Format_RGBA8888); |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 129 | update(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 130 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | void |
| 134 | VideoWidget::renderingStopped() { |
| 135 | QMutexLocker {&lock_}; |
| 136 | if (distantFrame_) { |
| 137 | delete distantFrame_; |
| 138 | distantFrame_ = nullptr; |
| 139 | } |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 140 | disconnect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 141 | disconnect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 142 | renderer_ = nullptr; |
| 143 | } |