137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
/*********************************************************
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* Copyright (C) 2020, Val Doroshchuk <valbok@gmail.com> *
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* *
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* This file is part of QtAVPlayer. *
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* Free Qt Media Player based on FFmpeg. *
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*********************************************************/
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#include <QtAVPlayer/qavplayer.h>
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#include <QtAVPlayer/qavvideoframe.h>
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#include <QtAVPlayer/qavaudiooutput.h>
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#include <QVideoWidget>
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#include <QApplication>
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#include <QDebug>
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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#include <QAbstractVideoSurface>
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#include <QVideoSurfaceFormat>
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#include <QMediaService>
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#include <QMediaObject>
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#include <QVideoRendererControl>
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class VideoRenderer : public QVideoRendererControl
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{
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public:
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QAbstractVideoSurface *surface() const override
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{
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return m_surface;
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}
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void setSurface(QAbstractVideoSurface *surface) override
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{
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m_surface = surface;
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}
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QAbstractVideoSurface *m_surface = nullptr;
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};
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class MediaService : public QMediaService
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{
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public:
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MediaService(VideoRenderer *vr, QObject* parent = nullptr)
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: QMediaService(parent)
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, m_renderer(vr)
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{
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}
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QMediaControl* requestControl(const char *name) override
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{
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if (qstrcmp(name, QVideoRendererControl_iid) == 0)
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return m_renderer;
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return nullptr;
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}
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void releaseControl(QMediaControl *) override
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{
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}
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VideoRenderer *m_renderer = nullptr;
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};
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class MediaObject : public QMediaObject
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{
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public:
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explicit MediaObject(VideoRenderer *vr, QObject* parent = nullptr)
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: QMediaObject(parent, new MediaService(vr, parent))
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{
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}
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};
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class VideoWidget : public QVideoWidget
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{
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public:
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bool setMediaObject(QMediaObject *object) override
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{
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return QVideoWidget::setMediaObject(object);
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}
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};
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#else
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#include <QVideoSink>
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#endif
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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VideoRenderer vr;
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VideoWidget w;
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w.show();
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MediaObject mo(&vr);
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w.setMediaObject(&mo);
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#else
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QVideoWidget w;
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w.show();
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#endif
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QAVPlayer p;
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QString file = argc > 1 ? QString::fromUtf8(argv[1]) : QString::fromLatin1("http://archive.org/download/big-bunny-sample-video/SampleVideo.ia.mp4");
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p.setSource(file);
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p.play();
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QAVAudioOutput audioOutput;
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QObject::connect(&p, &QAVPlayer::audioFrame, &p, [&audioOutput](const QAVAudioFrame &frame) { audioOutput.play(frame); }, Qt::DirectConnection);
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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QObject::connect(&p, &QAVPlayer::videoFrame, &p, [&](const QAVVideoFrame &frame) {
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if (vr.m_surface == nullptr)
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return;
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QVideoFrame videoFrame = frame.convertTo(AV_PIX_FMT_RGB32);
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if (!vr.m_surface->isActive() || vr.m_surface->surfaceFormat().frameSize() != videoFrame.size()) {
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QVideoSurfaceFormat f(videoFrame.size(), videoFrame.pixelFormat(), videoFrame.handleType());
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vr.m_surface->start(f);
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}
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if (vr.m_surface->isActive())
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vr.m_surface->present(videoFrame);
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}, Qt::DirectConnection);
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#else
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QObject::connect(&p, &QAVPlayer::videoFrame, &p, [&](const QAVVideoFrame &frame) {
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QVideoFrame videoFrame = frame;
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w.videoSink()->setVideoFrame(videoFrame);
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}, Qt::DirectConnection);
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#endif
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QObject::connect(&p, &QAVPlayer::mediaStatusChanged, [&](auto status) {
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qDebug() << "mediaStatusChanged"<< status << p.state();
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if (status == QAVPlayer::LoadedMedia) {
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qDebug() << "Video streams:" << p.currentVideoStreams().size();
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for (const auto &s: p.currentVideoStreams())
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qDebug() << "[" << s.index() << "]" << s.metadata() << s.framesCount() << "frames," << s.frameRate() << "frame rate";
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}
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});
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return app.exec();
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}
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