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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getting float array from QAudioInput's qbytearray

When reading low level audio from QAudioInput, the resulting data is a QByteArray. When setting up QAudioInput, you can tell it the Sample Type you want from the data. If you specify float there, does that mean the data in QByteArray is already in…
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Can't find audio devices and play audio with PyQt4.QtMultimedia and python2.7 on Ubuntu 14.04

I installed PyQt4 on Ubuntu 14.04 via conda. All the GUI library is working but no output devices are found, so I get no audio output, using PyQt4.QtMultimedia (or PyQt4.QtGui.QSound). A sample script describing the situation: from…
iacopo
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use QCamera in Qt console application

I want to use the camera in a headless (console) qt application (at least for unit testing). But I facing a problem with Qt. As soon I use my code in a console application, the camera won't work - the readyForCaptureChanged event of…
appsthatmatter
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gstreamer-critical on executing qt5 on arm

I have crosscompiled Qt-5.x.x for multimedia support using arm compiler. I was able to build mediaservice plugins using gstreamer. which are: 1.libgstaudiodecoder.so 2.libgstcamerabin.so 3.libgstmediacapture.so 4.libgstmediaplayer.so compiled one…
geek
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Cannot record audio without QMainWindow

I have trouble using QAudioRecorder without using QMainWindow. It would create a file with 0 bytes, which is not playable by most common media players after running this script here: int main(int argc, char *argv[]){ QAudioRecorder q; …
swtdrgn
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Play mp3 with Qt4 from network without Phonon

In my project is undesirable use Phonon. It was therefore decided to use QAudioOutput and decoder Lame. The data obtained from the network through QNetworkReply and try to decode blocks of 4096 bytes, but I get an error. I understand that my actions…
DrEvil35
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QAudioFormat. Undefined reference to '_imp_....'

I'm using Qt 5.1.1, Qt Creator 2.8.1 on Win7. When I compile program I get lots of this type errors: *.cpp:85: undefined reference to `imp__ZN12QAudioFormatC1Ev' When I double click to them It refers to this part of code: QAudioFormat format; …
Bobur
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Fast Forward,rewind for QAudioOutput

Hey am playing an audio file using QAudioOutput I need to implement a slider with which u can seek a track at a particular time.
Hemapriya
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Qml QtMultimedia Video + Qml ShaderEffect incompatibility

I have a problem with applying a shaderEffect on qml video. When I apply ShaderEffect to the rectangle containing a video, I observe stuttering stuttering effect on Video representation in ShaderEffect. Moreover, my program shuts down some time…
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How to download and use QtMultimedia in python, Windows?

How can I use QtMultimedia in pyqt5. I am using Windows operating system. I researched about QtMultimedia but I still don't know how to download it, can you help me?
Baris_Ertan
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