93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
#include "mediaparticlewidget.h"
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#include "../models.h"
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#include "../networkmanager.h"
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#include <QAudioOutput>
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#include <QLabel>
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#include <QMediaPlayer>
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#include <QNetworkAccessManager>
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#include <QNetworkReply>
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#include <QNetworkRequest>
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#include <QVBoxLayout>
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#include <QVideoWidget>
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MediaParticleWidget::MediaParticleWidget(QWidget *parent)
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: QWidget(parent)
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{
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m_nam = new QNetworkAccessManager(this);
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// To prevent our network request from fetching bytes in memory
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m_nam->setRedirectPolicy(QNetworkRequest::ManualRedirectPolicy);
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auto *layout = new QVBoxLayout(this);
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(2);
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m_videoWidget = new QVideoWidget();
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m_videoWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
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layout->addWidget(m_videoWidget);
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m_durationLabel = new QLabel();
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m_durationLabel->setAlignment(Qt::AlignCenter);
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layout->addWidget(m_durationLabel);
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m_player = new QMediaPlayer(this);
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m_audioOutput = new QAudioOutput(this);
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m_player->setAudioOutput(m_audioOutput);
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m_player->setVideoOutput(m_videoWidget);
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m_player->setLoops(QMediaPlayer::Infinite);
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connect(m_player, &QMediaPlayer::durationChanged, this, [this](qint64 duration) {
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if (duration > 0)
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{
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int secs = static_cast<int>(duration / 1000);
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int mins = secs / 60;
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secs = secs % 60;
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m_durationLabel->setText(QString("%1:%2").arg(mins).arg(secs, 2, 10, QChar('0')));
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}
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});
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}
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void MediaParticleWidget::setParticle(const Particle *particle)
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{
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if (!particle) return;
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clear();
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fetchAndPlay(particle->id);
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}
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void MediaParticleWidget::clear()
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{
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m_player->stop();
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m_player->setSource(QUrl());
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m_durationLabel->setText("");
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}
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void MediaParticleWidget::fetchAndPlay(const QString &particleId)
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{
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QNetworkRequest request = NetworkManager::instance().buildRequest("/particles/" + particleId + "/download");
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QNetworkReply *reply = m_nam->get(request);
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connect(reply, &QNetworkReply::finished, this, [this, reply]() {
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reply->deleteLater();
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if (reply->error() != QNetworkReply::NoError)
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{
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qWarning() << "MediaParticleWidget: download request failed:" << reply->errorString();
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return;
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}
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// m_nam uses ManualRedirectPolicy, so the reply stops at the 3xx
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// without downloading the media. Extract the pre-signed URL from Location.
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QUrl mediaUrl = reply->header(QNetworkRequest::LocationHeader).toUrl();
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if (!mediaUrl.isValid())
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{
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qWarning() << "MediaParticleWidget: no Location header in download response";
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return;
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}
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if (mediaUrl.isRelative())
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{
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mediaUrl = reply->url().resolved(mediaUrl);
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}
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m_player->setSource(mediaUrl);
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m_player->play();
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});
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}
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