Failed To Start Video Surface
Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Why doesn't my piece of code work? Mark Reply via email to Search the site The Mail Archive home development - all messages development - about the list Expand Previous message Next message The Mail Archive home Add Join them; it only takes a minute: Sign up Why does QMediaPlayer say 'Failed to start video surface' in Qt5.5? have a peek here
or at the very least have a env variable to override? Hacker used picture upload to get PHP code into my site Compute the Median Can this number be written in (3^x) - 1 format? Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name See also isActive(), start(), and stop().
Compiling multiple LaTeX files How do you express any radical root of a number? A video surface presents a continuous stream of identically formatted frames, where the format of each frame is compatible with a stream format supplied when starting a presentation. QAbstractVideoSurface.IncorrectFormatError 2 A video frame was not compatible with the format of the surface.
The warrior is often called to take the front when other cowardly make a step backwards. What is a non-vulgar synonym for this swear word meaning "an enormous amount"? See also surfaceFormat() and start(). I make a simple application to play a video with QtMultimediaKit, it does nothing, printing the message "failed to start video surface", then the video keeps on black.
After a while, I figured out a workround involving adding a brief "splash-screen" delay to the application which seems to give the video whatever slack it needs. asked 3 years ago viewed 752 times Related 2Two webcams on one usb hub - bandwidth issues1QML - main window position on start (screen center)7Qt5, Phonon and Multimedia kit3Why QML MediaPlayer/VideoOutput QAbstractVideoSurface.ResourceError 4 The surface could not allocate some resource. A list of pixel formats a surface can present is given by the supportedPixelFormats() function, and the isFormatSupported() function will test if a video surface format is supported.
I am trying to play video on my platform using qt5.5. Show Adrian I added a comment - 06/Feb/15 12:52 PM The issue also appears on Qt 5.4 on beaglebone black. Share a link to this question via email, Google+, Twitter, or Facebook. Hot Network Questions Pi == 3.2 What's the male version of "hottie"?
Leandro Melo de Sales Re: [Development] Failed to start video surface... How to bevel only one end of a cylinder? void surfaceFormatChanged (const ::QVideoSurfaceFormat&)This is the default overload of this signal.Signals that the configured format of a video surface has changed. For example if a surface supports fixed set of resolutions it may suggest the smallest supported resolution that contains the proposed resolution.
Word for disproportionate punishment? navigate here Browse other questions tagged c++ qt5 qmediaplayer or ask your own question. bool QAbstractVideoSurface.isActive (self)Indicates whether a video surface has been started. It plays the video on screen but at terminal it gives: Failed to start Video surface I am not able to understand why I get this message.
QAbstractVideoSurface.stop (self)Stops a video surface presenting frames and releases any resources acquired in start(). Strangely, if I use my own minimal QQuickView application to run it... Interview for postdoc position via Skype Should we eliminate local variables if we can? Check This Out QVideoSurfaceFormat QAbstractVideoSurface.surfaceFormat (self)Returns the format of a video surface.
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.
I'm seeing this (on Linux; old Core2Duo laptop) in an fairly large QML application with some video when I run it with any of Qt 5.3.1, Qt5.4.1 or Qt5.5.0's qmlscene (those Calling present() on a non-blocking surface may fail if called before the presentation of a previous frame has completed. Archeological evidence of nuclear warfare Can you take a short rest while unconscious? While this is working nicely on my desktop, I am experiencing problems with my imx6 based embedded system, probably due to it being wastly less powerful.
or at the very least have a env variable to override? Once started a surface will begin displaying the frames it receives in the present() function. CONECTADOS AL FUTURO, CONECTADOS A LA REVOLUCION http://www.uci.cu http://www.facebook.com/universidad.uci http://www.flickr.com/photos/universidad_uci_______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development Previous message View by thread View by date Next message [Development] Failed to start video surface Browse other questions tagged qt ubuntu qml webcam qt5 or ask your own question.
I make a simple application to play a > video with QtMultimediaKit, it does nothing, printing the message "failed > to start video surface", then the video keeps on black. Happy the make the change, but I'd like a opinion from someone (Yoann?) with approver rights to judge what a good/possible solution/work-around can be. See also isActive() and stop(). Why do shampoo ingredient labels feature the the term "Aqua"?
bool QAbstractVideoSurface.isFormatSupported (self, QVideoSurfaceFormatformat)Tests a video surface format to determine if a surface can accept it. Error QAbstractVideoSurface.error (self)Returns the last error that occurred. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed I get the error message: "Failed to start video surface due to main thread blocked" Looking into the code it seems that this problem was to be expected: " QMetaObject::invokeMethod(this, ""queuedStart"",
Returns true if the format is supported by the surface, and false otherwise. Dealing cards, derangements, and probability: Is the Riddler Express solution incorrect? unknown-type QAbstractVideoSurface.supportedPixelFormats (self, QAbstractVideoBuffer.HandleTypetype=QAbstractVideoBuffer.NoHandle)This method is abstract and should be reimplemented in any sub-class.Returns a list of pixel formats a video surface can present for a given handle type. Constant Value Description QAbstractVideoSurface.NoError 0 No error occurred.
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