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Questions tagged [qtmultimedia]

QtMultimedia module from the Qt Toolkit that provides a rich feature set to easily take advantage of a platform's multimedia capabilites and hardware.

Documentation can be found here (Qt4) and here (Qt5).

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Backends to use for multimedia in Qt5

What are available and reliable multimedia backends to use with Qt5 for media playback on Linux?
user5585984
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QT5.5 QSound isFinshed

I am busy making a reverb algorithm. While working with QSound I found a few problems. First, the sound doesn't play while trying the QSound::play() like this: /// Play output .wav file. QSound…
Whiteshift
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Play a QAudioBuffer

Which is the best way to play QAudioBuffer of a format supported by audio card? Have I to create a QIODevice and convert it to raw data manually or is there a better way?
Andrea993
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qt creator error on "import QtMultimedia"

Recently, I have been studying on Qt5 Audio and followed this youtube lecture. https://www.youtube.com/watch?v=Dh6ax1xVJD0 During the course I had to put the line into one of 'qml' file import QtMultimedia 5.0 The name "QtMultimedia 5.0" came up…
Park JongBum
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QtMultimedia Video Play example

I have Qt5 built with submodule QtMultimedia on Debian Jessie 8.2 (BeagleBone Black), I use GStreamer backend (version 0.10.36). I tried to use this simple example to play a video, but it gives me error when trying to play .AVI file: Internal data…
Junior
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Why Qt5Multimedia.dll depend on Qt5Network.dll?

I'm learning about Qt media in example "Media Player Example". When deploying, I saw that Qt5Multimedia.dll depend on Qt5Network.dll. Why? Can you help me to explain with other man about this? Thank you very much!
aviit
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Qt iOS: how to return QVideoFrame with type GLTextureHandle from QVideoFilterRunnable

I'm trying to capture camera output frame and process it further in GPU pipeline. For this reason returing frame as a GPU texture is the best option. After inheriting from QVideoFilterRunnable class received by run method QVideoFrame objects has…
user2288008
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What is the best multithreading approach to low-latency audio synthesis in Qt?

I am creating a soft-synth using Qt. That means getting low-latency audio (buffer size around 5-10ms) so that it is responsive to the UI controls. The components of the soft-synth are: Main window, which handles the UI Synthesis engine, which is a…
Paul Masri-Stone
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Take snapshot of video in Qt Multimedia

Is it possible to take snapshot of a video in Qt Multimedia? how?
abdolahS
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Strange behaviour of Qt application on raspberry pi

I have cross compiled Qt for the Raspberry pi with QtMultimedia and Gstreamer1.0 support with platform xcb and eglfs Now if I run an app to play a video using platform eglfs it runs and video plays and if I use platform xcb for app it gives an…
haresh
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Error on QT5.5 camera preview

I'm trying to use a camera in my QT5.5 application using the QCamera type of QT. A simple example of what I'm doing is QList cameras = QCameraInfo::avalilableCameras(); qdebug() << cameras.length(); const QCameraInfo &cameraInfo =…
ma0ho
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Qt5.4.1 + QtMultimedia + Raspbian

I have a problem with showing video using QtMultimedia on Raspberry Pi (Raspbian): When I'm using QMediaPlayer + QVideoWidget it gives me an error: "this plugin doesn't support setParent" When I'm trying to show video with QtQuick it gives me…
Flassie
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QMediaPlayer::error() is never emitted even though video fails to play

I'm connecting the QMediaPlayer::error() signal and trying to play a video file: QMediaPlayer *player = new QMediaPlayer; QMediaPlaylist *playlist = new…
sashoalm
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QT/QML Multimedia for multivideos

I am working on a project that requires me to play multiple videos and control them all at once. So far I can click on the qmlscene and the app will play all the videos. Now I want to add play/pause buttons, seek button and slider bars for speed and…
Billal
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QML video player for multiple videos

I am trying to implement a Qt/QML video player that allows multiple videos to play at once, the Idea is similar to a monitoring system that controls, play,pause,seek etc 8 channels at the same time. I am a beginner and I have attached my code, the…
Billal
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