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) |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 25 | , currentDistantFrame_(nullptr) |
| 26 | , currentPreviewFrame_(nullptr) |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 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) { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 47 | //Enforce that only one videowidget we'll be used at the same time |
| 48 | if (not isVisible()) |
| 49 | return; |
Edric Milaret | 5397161 | 2015-07-15 10:00:04 -0400 | [diff] [blame] | 50 | previewRenderer_ = renderer; |
| 51 | connect(previewRenderer_, SIGNAL(frameUpdated()), |
| 52 | this, SLOT(frameFromPreview())); |
| 53 | connect(previewRenderer_, SIGNAL(stopped()), |
| 54 | this, SLOT(previewStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | void |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 58 | VideoWidget::previewStopped() { |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 59 | disconnect(previewRenderer_, SIGNAL(frameUpdated()), |
Edric Milaret | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 60 | this, SLOT(frameFromPreview())); |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 61 | disconnect(previewRenderer_, SIGNAL(stopped()), |
Edric Milaret | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 62 | this, SLOT(renderingStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 63 | previewRenderer_ = nullptr; |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 64 | if (currentPreviewFrame_) { |
| 65 | delete currentPreviewFrame_; |
| 66 | currentPreviewFrame_ = nullptr; |
| 67 | } |
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()) { |
| 73 | if (currentPreviewFrame_) { |
| 74 | delete currentPreviewFrame_; |
| 75 | currentPreviewFrame_ = nullptr; |
| 76 | } |
| 77 | const QSize size(previewRenderer_->size()); |
| 78 | currentPreviewFrame_ = new QImage( |
| 79 | (const uchar*)previewRenderer_->currentFrame().constData(), |
| 80 | size.width(), size.height(), QImage::Format_ARGB32_Premultiplied); |
| 81 | repaint(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 82 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | void |
Edric Milaret | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 86 | VideoWidget::paintEvent(QPaintEvent *evt) { |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 87 | Q_UNUSED(evt) |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 88 | QPainter painter(this); |
Edric Milaret | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 89 | if (renderer_ && currentDistantFrame_) { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 90 | auto scaledDistant = currentDistantFrame_->scaled(size(), Qt::KeepAspectRatio); |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 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 | 1eca029 | 2015-06-29 12:03:36 -0400 | [diff] [blame] | 95 | if (previewRenderer_ && currentPreviewFrame_) { |
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; |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 98 | auto scaledPreview = currentPreviewFrame_->scaled(previewWidth, previewHeight, Qt::KeepAspectRatio); |
Edric Milaret | a9f937f | 2015-06-01 17:10:34 -0400 | [diff] [blame] | 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) |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 112 | //Enforce that only one videowidget we'll be used at the same time |
| 113 | if (not isVisible()) |
| 114 | return; |
Edric Milaret | 5397161 | 2015-07-15 10:00:04 -0400 | [diff] [blame] | 115 | renderer_ = renderer; |
| 116 | connect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 117 | connect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped()), |
| 118 | Qt::ConnectionType::DirectConnection); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 119 | } |
| 120 | |
| 121 | void |
| 122 | VideoWidget::frameFromDistant() { |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 123 | if (renderer_ && renderer_->isRendering()) { |
| 124 | if (currentDistantFrame_) { |
| 125 | delete currentDistantFrame_; |
| 126 | currentDistantFrame_ = nullptr; |
| 127 | } |
| 128 | const QSize size(renderer_->size()); |
| 129 | currentDistantFrame_ = new QImage( |
| 130 | (const uchar*)renderer_->currentFrame().constData(), |
| 131 | size.width(), size.height(), QImage::Format_ARGB32_Premultiplied); |
| 132 | repaint(); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 133 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | void |
| 137 | VideoWidget::renderingStopped() { |
Edric Milaret | 72c406d | 2015-04-28 13:23:54 -0400 | [diff] [blame] | 138 | disconnect(renderer_, SIGNAL(frameUpdated()), this, SLOT(frameFromDistant())); |
| 139 | disconnect(renderer_, SIGNAL(stopped()),this, SLOT(renderingStopped())); |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 140 | renderer_ = nullptr; |
Eloi BAIL | d94e066 | 2015-09-21 13:58:31 -0400 | [diff] [blame^] | 141 | if (currentDistantFrame_) { |
| 142 | delete currentDistantFrame_; |
| 143 | currentDistantFrame_ = nullptr; |
| 144 | } |
Edric Milaret | 627500d | 2015-03-27 16:41:40 -0400 | [diff] [blame] | 145 | } |