qmediaplayer object does not have a valid service

IL

@ilan-lisha I also see the error
Starting /home/.../qt-video-apps/build-videowidget-QT5_5_0-Debug/videowidget...
defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.mediaplayer"

raf924

@ilan-lisha the solution to this problem is the one i recommended i don't know of any other, try installing any package related to gstreamer and libgstreamer.

SGaist

Hi and welcome to devnet,

Check the multimedia plugin with ldd, it should indicate what might be missing on your system.

IL

@SGaist Hi and Thanks,
That's what I get from the multimedia.so using LDD command
[olegk@localhost qt-everywhere-opensource-src-5.5.0]$ ldd /usr/local/Qt-5.5.0/lib/libQt5Multimedia.so
linux-vdso.so.1 => (0x00007fff3f2e7000)
libQt5Network.so.5 => /usr/local/Qt-5.5.0/lib/libQt5Network.so.5 (0x00007f21664ad000)
libQt5Gui.so.5 => /usr/local/Qt-5.5.0/lib/libQt5Gui.so.5 (0x00007f2165f01000)
libQt5Core.so.5 => /usr/local/Qt-5.5.0/lib/libQt5Core.so.5 (0x00007f21659b8000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f2165774000)
libGL.so.1 => /lib64/libGL.so.1 (0x00007f2165509000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f2165201000)
libm.so.6 => /lib64/libm.so.6 (0x00007f2164efa000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f2164ce3000)
libc.so.6 => /lib64/libc.so.6 (0x00007f2164924000)
libz.so.1 => /lib64/libz.so.1 (0x00007f216470e000)
libpcre16.so.0 => /lib64/libpcre16.so.0 (0x00007f21644af000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f21642ab000)
librt.so.1 => /lib64/librt.so.1 (0x00007f21640a3000)
/lib64/ld-linux-x86-64.so.2 (0x0000003ef5e00000)
libglapi.so.0 => /lib64/libglapi.so.0 (0x00007f2163e7b000)
libXext.so.6 => /lib64/libXext.so.6 (0x00007f2163c69000)
libXdamage.so.1 => /lib64/libXdamage.so.1 (0x00007f2163a66000)
libXfixes.so.3 => /lib64/libXfixes.so.3 (0x00007f216385f000)
libX11-xcb.so.1 => /lib64/libX11-xcb.so.1 (0x00007f216365d000)
libX11.so.6 => /lib64/libX11.so.6 (0x00007f216331f000)
libxcb-glx.so.0 => /lib64/libxcb-glx.so.0 (0x00007f2163104000)
libxcb-dri2.so.0 => /lib64/libxcb-dri2.so.0 (0x00007f2162eff000)
libxcb.so.1 => /lib64/libxcb.so.1 (0x00007f2162cde000)
libXxf86vm.so.1 => /lib64/libXxf86vm.so.1 (0x00007f2162ad7000)
libdrm.so.2 => /lib64/libdrm.so.2 (0x00007f21628cb000)
libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f21626a7000)
libXau.so.6 => /lib64/libXau.so.6 (0x00007f21624a2000)
libpcre.so.1 => /lib64/libpcre.so.1 (0x00007f216223c000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f2162016000)

any idea?

IL

@raf924
can you tell please what is the different between gstreamer and libgstreamer?

IL

This post is deleted!

IL

also for gstreamer
ldd /usr/lib64/libgstreamer-1.0.so.0
linux-vdso.so.1 => (0x00007ffffd530000)
libgobject-2.0.so.0 => /lib64/libgobject-2.0.so.0 (0x0000003efb600000)
libgmodule-2.0.so.0 => /lib64/libgmodule-2.0.so.0 (0x0000003f05000000)
libglib-2.0.so.0 => /lib64/libglib-2.0.so.0 (0x0000003ef9600000)
libm.so.6 => /lib64/libm.so.6 (0x0000003ef6e00000)
libdl.so.2 => /lib64/libdl.so.2 (0x0000003ef6600000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003ef6a00000)
libc.so.6 => /lib64/libc.so.6 (0x0000003ef6200000)
libffi.so.6 => /lib64/libffi.so.6 (0x0000003efaa00000)
/lib64/ld-linux-x86-64.so.2 (0x0000003ef5e00000)

IL

@ilan-lisha
could it be the reason?
While running ./configure -v -qt-xcb -gstreamer -opensource
I get the error: project ERROR: gstreamer-0.10 development package not found
even though libgstreamer-0.10.so.0.30.0 is installed in my system.
In my old configuration: GStreamer .............. no

IL

@IL
Please advice what should I do?

SGaist

As silly as it may sound: Install the gstreamer development package

IL

@SGaist - As I have mention above, gstreamer package already installed on my PC.
Any idea why QT don’t recognize it?

raf924

@IL He 's not talking about the gstreamer package but rather libgstreamer-dev or something like that. Right?

SGaist

@raf924's right, the dev packages are needed

IL

@SGaist Hi
Sorry for the ignorance but can you tell the different between gstreamer package and gstreamer-dev package?
Do I need here qt-gstreamer?

Thanks!

IL

@raf924 Hi
I am running:
./configure -v -qt-xcb -opensource -confirm-license -gstreamer
currently configuration failed for:
GStreamer 0.10 auto-detection... ()
Project ERROR: gstreamer-audio-0.10 development package not found
GStreamer 0.10 disabled.

also I can see that according to gstreamer.pro it required:
gstreamer-0.10
gstreamer-base-0.10
gstreamer-audio-0.10
gstreamer-video-0.10
gstreamer-pbutils-0.10
I have managed to install gstreamer-0.10 and gstreamer-base-0.10 but now I am stuck on audio and video.
I am running QT on fedora 20.
I cannot find gstreamer-audio/video using "yum install ... "
What am I missing?
Please advice for a solution.

best regards, IL

raf924

@IL sudo yum install gstreamer-devel should do the trick

IL

@raf924 Thanks!

SherifOmran

guys, i have the same issue but with debian 11. When i run the player example, i get the following

defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.mediaplayer"

sherif@debian:~/sndmod$ sudo apt list --installed | grep gstreamer
[sudo] password for sherif: 

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

gir1.2-gstreamer-1.0/stable,now 1.18.4-2.1 amd64 [installed,automatic]
gira-gstreamer-vanilla/testing,now 1.0.0-4 all [installed,automatic]
gstreamer1.0-alsa/stable,now 1.18.4-2 amd64 [installed,automatic]
gstreamer1.0-clutter-3.0/stable,now 3.0.27-2 amd64 [installed,automatic]
gstreamer1.0-gl/stable,now 1.18.4-2 amd64 [installed,automatic]
gstreamer1.0-gtk3/stable,now 1.18.4-2 amd64 [installed,automatic]
gstreamer1.0-libav/stable,now 1.18.4-3 amd64 [installed]
gstreamer1.0-packagekit/stable,now 1.2.2-2 amd64 [installed]
gstreamer1.0-pipewire/stable,now 0.3.19-4 amd64 [installed,automatic]
gstreamer1.0-plugins-bad/stable,now 1.18.4-3 amd64 [installed,automatic]
gstreamer1.0-plugins-base/stable,now 1.18.4-2 amd64 [installed]
gstreamer1.0-plugins-good/stable,now 1.18.4-2 amd64 [installed]
gstreamer1.0-plugins-ugly/stable,now 1.18.4-2 amd64 [installed]
gstreamer1.0-pulseaudio/stable,now 1.18.4-2 amd64 [installed]
gstreamer1.0-tools/stable,now 1.18.4-2.1 amd64 [installed,automatic]
gstreamer1.0-x/stable,now 1.18.4-2 amd64 [installed,automatic]
libgstreamer-gl1.0-0/stable,now 1.18.4-2 amd64 [installed,automatic]
libgstreamer-plugins-bad1.0-0/stable,now 1.18.4-3 amd64 [installed,automatic]
libgstreamer-plugins-base1.0-0/stable,now 1.18.4-2 amd64 [installed,automatic]
libgstreamer1.0-0/stable,now 1.18.4-2.1 amd64 [installed,automatic]
libgstreamer1.0-dev/stable,now 1.18.4-2.1 amd64 [installed,automatic]
qtgstreamer-plugins-qt5/stable,now 1.2.0-5.1 amd64 [installed,auto-removable]
sherif@debian:~/sndmod$