diff options
8 files changed, 76 insertions, 45 deletions
diff --git a/examples/multimedia/videographicsitem/videoitem.cpp b/examples/multimedia/videographicsitem/videoitem.cpp index c95e33591b..2d7b38e39f 100644 --- a/examples/multimedia/videographicsitem/videoitem.cpp +++ b/examples/multimedia/videographicsitem/videoitem.cpp @@ -129,7 +129,7 @@ void VideoItem::stop() bool VideoItem::present(const QVideoFrame &frame) { if (!framePainted) { - if (!isStarted()) + if (!QAbstractVideoSurface::isActive()) setError(StoppedError); return false; diff --git a/examples/multimedia/videographicsitem/videoplayer.cpp b/examples/multimedia/videographicsitem/videoplayer.cpp index 83644db7d5..9ac4152df3 100644 --- a/examples/multimedia/videographicsitem/videoplayer.cpp +++ b/examples/multimedia/videographicsitem/videoplayer.cpp @@ -119,8 +119,7 @@ void VideoPlayer::openFile() QString fileName = QFileDialog::getOpenFileName(this, tr("Open Movie")); if (!fileName.isEmpty()) { - if (videoItem->isStarted()) - videoItem->stop(); + videoItem->stop(); movie.setFileName(fileName); diff --git a/examples/multimedia/videowidget/videoplayer.cpp b/examples/multimedia/videowidget/videoplayer.cpp index ed24714994..cd146e8f2b 100644 --- a/examples/multimedia/videowidget/videoplayer.cpp +++ b/examples/multimedia/videowidget/videoplayer.cpp @@ -100,8 +100,7 @@ void VideoPlayer::openFile() QString fileName = QFileDialog::getOpenFileName(this, tr("Open Movie")); if (!fileName.isEmpty()) { - if (surface->isStarted()) - surface->stop(); + surface->stop(); movie.setFileName(fileName); diff --git a/examples/multimedia/videowidget/videowidget.cpp b/examples/multimedia/videowidget/videowidget.cpp index 80688e1998..f73a52f23b 100644 --- a/examples/multimedia/videowidget/videowidget.cpp +++ b/examples/multimedia/videowidget/videowidget.cpp @@ -84,7 +84,7 @@ void VideoWidget::paintEvent(QPaintEvent *event) { QPainter painter(this); - if (surface->isStarted()) { + if (surface->isActive()) { const QRect videoRect = surface->videoRect(); if (!videoRect.contains(event->rect())) { diff --git a/src/multimedia/video/qabstractvideosurface.cpp b/src/multimedia/video/qabstractvideosurface.cpp index a4f51a2d2d..33dc815e2f 100644 --- a/src/multimedia/video/qabstractvideosurface.cpp +++ b/src/multimedia/video/qabstractvideosurface.cpp @@ -57,8 +57,8 @@ QT_BEGIN_NAMESPACE of each frame is compatible with a stream format supplied when starting a presentation. A list of pixel formats a surface can present is given by the supportedPixelFormats() function, - and the isFormatSupported() function will test if a complete video format is supported. In - some cases when a format is not supported; isFormatSupported() may suggest a similar format. + and the isFormatSupported() function will test if a video surface format is supported. If a + format is not supported the nearestFormat() function may be able to suggest a similar format. For example if a surface supports fixed set of resolutions it may suggest the smallest supported resolution that contains the proposed resolution. @@ -118,21 +118,37 @@ QAbstractVideoSurface::~QAbstractVideoSurface() */ /*! - Tests a video \a format to determine if a surface can accept it. If the format isn't supported - the surface may suggest a \a similar format that is supported. + Tests a video surface \a format to determine if a surface can accept it. Returns true if the format is supported by the surface, and false otherwise. */ -bool QAbstractVideoSurface::isFormatSupported( - const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar) const +bool QAbstractVideoSurface::isFormatSupported(const QVideoSurfaceFormat &format) const { - Q_UNUSED(similar); - return supportedPixelFormats(format.handleType()).contains(format.pixelFormat()); } /*! + Returns a supported video surface format that is similar to \a format. + + A similar surface format is one that has the same \l {QVideoSurfaceFormat::pixelFormat()}{pixel + format} and \l {QVideoSurfaceFormat::handleType()}{handle type} but differs in some of the other + properties. For example if there are restrictions on the \l {QVideoSurfaceFormat::frameSize()} + {frame sizes} a video surface can accept it may suggest a format with a larger frame size and + a \l {QVideoSurfaceFormat::viewport()}{viewport} the size of the original frame size. + + If the format is already supported it will be returned unchanged, or if there is no similar + supported format an invalid format will be returned. +*/ + +QVideoSurfaceFormat QAbstractVideoSurface::nearestFormat(const QVideoSurfaceFormat &format) const +{ + return isFormatSupported(format) + ? format + : QVideoSurfaceFormat(); +} + +/*! \fn QAbstractVideoSurface::supportedFormatsChanged() Signals that the set of formats supported by a video surface has changed. @@ -162,23 +178,23 @@ QVideoSurfaceFormat QAbstractVideoSurface::surfaceFormat() const Returns true if the surface was started, and false if an error occurred. - \sa isStarted(), stop() + \sa isActive(), stop() */ bool QAbstractVideoSurface::start(const QVideoSurfaceFormat &format) { Q_D(QAbstractVideoSurface); - bool wasStarted = d->started; + bool wasActive = d->active; - d->started = true; + d->active = true; d->format = format; d->error = NoError; emit surfaceFormatChanged(d->format); - if (!wasStarted) - emit startedChanged(true); + if (!wasActive) + emit activeChanged(true); return true; } @@ -186,18 +202,18 @@ bool QAbstractVideoSurface::start(const QVideoSurfaceFormat &format) /*! Stops a video surface presenting frames and releases any resources acquired in start(). - \sa isStarted(), start() + \sa isActive(), start() */ void QAbstractVideoSurface::stop() { Q_D(QAbstractVideoSurface); - if (d->started) { + if (d->active) { d->format = QVideoSurfaceFormat(); - d->started = false; + d->active = false; - emit startedChanged(false); + emit activeChanged(false); emit surfaceFormatChanged(d->format); } } @@ -208,17 +224,17 @@ void QAbstractVideoSurface::stop() Returns true if the surface has been started, and false otherwise. */ -bool QAbstractVideoSurface::isStarted() const +bool QAbstractVideoSurface::isActive() const { - return d_func()->started; + return d_func()->active; } /*! - \fn QAbstractVideoSurface::startedChanged(bool started) + \fn QAbstractVideoSurface::activeChanged(bool active) - Signals that the \a started state of a video surface has changed. + Signals that the \a active state of a video surface has changed. - \sa isStarted(), start(), stop() + \sa isActive(), start(), stop() */ /*! diff --git a/src/multimedia/video/qabstractvideosurface.h b/src/multimedia/video/qabstractvideosurface.h index 3823eeb338..58d06f1a29 100644 --- a/src/multimedia/video/qabstractvideosurface.h +++ b/src/multimedia/video/qabstractvideosurface.h @@ -75,22 +75,22 @@ public: virtual QList<QVideoFrame::PixelFormat> supportedPixelFormats( QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const = 0; - virtual bool isFormatSupported( - const QVideoSurfaceFormat &format, QVideoSurfaceFormat *similar = 0) const; + virtual bool isFormatSupported(const QVideoSurfaceFormat &format) const; + virtual QVideoSurfaceFormat nearestFormat(const QVideoSurfaceFormat &format) const; QVideoSurfaceFormat surfaceFormat() const; virtual bool start(const QVideoSurfaceFormat &format); virtual void stop(); - bool isStarted() const; + bool isActive() const; virtual bool present(const QVideoFrame &frame) = 0; Error error() const; Q_SIGNALS: - void startedChanged(bool started); + void activeChanged(bool active); void surfaceFormatChanged(const QVideoSurfaceFormat &format); void supportedFormatsChanged(); diff --git a/src/multimedia/video/qabstractvideosurface_p.h b/src/multimedia/video/qabstractvideosurface_p.h index 3142b786f5..8675fac2b5 100644 --- a/src/multimedia/video/qabstractvideosurface_p.h +++ b/src/multimedia/video/qabstractvideosurface_p.h @@ -64,14 +64,13 @@ class QAbstractVideoSurfacePrivate : public QObjectPrivate public: QAbstractVideoSurfacePrivate() : error(QAbstractVideoSurface::NoError) - , started(false) + , active(false) { } mutable QAbstractVideoSurface::Error error; QVideoSurfaceFormat format; - bool started; - + bool active; }; QT_END_NAMESPACE diff --git a/tests/auto/qabstractvideosurface/tst_qabstractvideosurface.cpp b/tests/auto/qabstractvideosurface/tst_qabstractvideosurface.cpp index 20ca759b05..b4d2ac8342 100644 --- a/tests/auto/qabstractvideosurface/tst_qabstractvideosurface.cpp +++ b/tests/auto/qabstractvideosurface/tst_qabstractvideosurface.cpp @@ -61,6 +61,8 @@ private slots: void setError(); void isFormatSupported_data(); void isFormatSupported(); + void nearestFormat_data(); + void nearestFormat(); void start_data(); void start(); }; @@ -232,6 +234,22 @@ void tst_QAbstractVideoSurface::isFormatSupported() QCOMPARE(surface.isFormatSupported(format), supported); } +void tst_QAbstractVideoSurface::nearestFormat_data() +{ + isFormatSupported_data(); +} + +void tst_QAbstractVideoSurface::nearestFormat() +{ + QFETCH(SupportedFormatMap, supportedFormats); + QFETCH(QVideoSurfaceFormat, format); + QFETCH(bool, supported); + + QtTestVideoSurface surface(supportedFormats); + + QCOMPARE(surface.nearestFormat(format) == format, supported); +} + void tst_QAbstractVideoSurface::start_data() { QTest::addColumn<QVideoSurfaceFormat>("format"); @@ -256,35 +274,35 @@ void tst_QAbstractVideoSurface::start() surface.setError(QAbstractVideoSurface::ResourceError); QSignalSpy formatSpy(&surface, SIGNAL(surfaceFormatChanged(QVideoSurfaceFormat))); - QSignalSpy startedSpy(&surface, SIGNAL(startedChanged(bool))); + QSignalSpy activeSpy(&surface, SIGNAL(activeChanged(bool))); - QVERIFY(!surface.isStarted()); + QVERIFY(!surface.isActive()); QCOMPARE(surface.surfaceFormat(), QVideoSurfaceFormat()); QVERIFY(surface.start(format)); - QVERIFY(surface.isStarted()); + QVERIFY(surface.isActive()); QCOMPARE(surface.surfaceFormat(), format); QCOMPARE(formatSpy.count(), 1); - QCOMPARE(qvariant_cast<QVideoSurfaceFormat>(formatSpy.at(0).at(0)), format); + QCOMPARE(qvariant_cast<QVideoSurfaceFormat>(formatSpy.last().at(0)), format); - QCOMPARE(startedSpy.count(), 1); - QCOMPARE(startedSpy.at(0).at(0).toBool(), true); + QCOMPARE(activeSpy.count(), 1); + QCOMPARE(activeSpy.last().at(0).toBool(), true); // error() is reset on a successful start. QCOMPARE(surface.error(), QAbstractVideoSurface::NoError); surface.stop(); - QVERIFY(!surface.isStarted()); + QVERIFY(!surface.isActive()); QCOMPARE(surface.surfaceFormat(), QVideoSurfaceFormat()); QCOMPARE(formatSpy.count(), 2); - QCOMPARE(qvariant_cast<QVideoSurfaceFormat>(formatSpy.at(1).at(0)), QVideoSurfaceFormat()); + QCOMPARE(qvariant_cast<QVideoSurfaceFormat>(formatSpy.last().at(0)), QVideoSurfaceFormat()); - QCOMPARE(startedSpy.count(), 2); - QCOMPARE(startedSpy.at(1).at(0).toBool(), false); + QCOMPARE(activeSpy.count(), 2); + QCOMPARE(activeSpy.last().at(0).toBool(), false); } QTEST_MAIN(tst_QAbstractVideoSurface) |