Play music with qt 5

andreyc

"Tufao":https://github.com/vinipsmaker/tufao is a Qt based web-framework and it has some examples.

paul_espinosa

hello my dears friends i have a new problem :( ..i have an aplication of play music on QT ,My application works well in mi pc ...
now my problem
i am working whith raspberry pi b+ and i can compilate my aplicacion in the raspberry but not play music :(
am instaled qt5 on raspberry ...do i need to install some more ???
some aplication of qt run very well ..but the music not play

paul_espinosa

hello my dears friends i have a new problem :( ..i have an aplication of play music on QT ,My application works well in mi pc ...
now my problem
i am working whith raspberry pi b+ and i can compilate my aplicacion in the raspberry but not play music :(
am instaled qt5 on raspberry ...do i need to install some more ???
some aplication of qt run very well ..but the music not play

SGaist

Do you have any error message ?

SGaist

Do you have any error message ?

paul_espinosa

un the terminal apear this
GLFS: Unable to query physical screen size, defaulting to 100 dpi.
EGLFS: To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH and QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters).
EGLFS: Unable to query screen depth, defaulting to 32.
EGLFS: To override, set QT_QPA_EGLFS_DEPTH.
defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.mediaplayer"
HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP
This plugin does not support propagateSizeHints()

paul_espinosa

un the terminal apear this
GLFS: Unable to query physical screen size, defaulting to 100 dpi.
EGLFS: To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH and QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters).
EGLFS: Unable to query screen depth, defaulting to 32.
EGLFS: To override, set QT_QPA_EGLFS_DEPTH.
defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.mediaplayer"
HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP
This plugin does not support propagateSizeHints()

SGaist

Do it again but for define QT_DEBUG_PLUGINS=1

SGaist

Do it again but for define QT_DEBUG_PLUGINS=1

paul_espinosa

i need compilated again qt with QT_DEBUG_PLUGINS=1???

other question now i am triying with gstreamer but i installed precompiled version ...of this page

https://wiki.matthiasbock.net/index.php/Hardware-accelerated_video_playback_on_the_Raspberry_Pi#gstreamer

i run some examples in the console but i need to add to qt 4 ...to play misic with gstreamer

my file.pro

INCLUDE PATH += /usr/lib/arm-linux-gnueabiht/gstreamer-1.0
LIBS += -L/ /usr/lib/arm-linux-gnueabiht/gstreamer-1.0
LIBS += -lglib-2.0 -lpthread -lgstreamer-1.0 -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt

and in the main.cpp
#include <gst/gst.h>

but show this error gst/gst.h no such file or directory
how i can writhe or use correctly this libs ????

i need play mp3 in my raspberry in an aplicacion

paul_espinosa

i need compilated again qt with QT_DEBUG_PLUGINS=1???

other question now i am triying with gstreamer but i installed precompiled version ...of this page

https://wiki.matthiasbock.net/index.php/Hardware-accelerated_video_playback_on_the_Raspberry_Pi#gstreamer

i run some examples in the console but i need to add to qt 4 ...to play misic with gstreamer

my file.pro

INCLUDE PATH += /usr/lib/arm-linux-gnueabiht/gstreamer-1.0
LIBS += -L/ /usr/lib/arm-linux-gnueabiht/gstreamer-1.0
LIBS += -lglib-2.0 -lpthread -lgstreamer-1.0 -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt

and in the main.cpp
#include <gst/gst.h>

but show this error gst/gst.h no such file or directory
how i can writhe or use correctly this libs ????

i need play mp3 in my raspberry in an aplicacion

SGaist

No, it's an environment variable.

Install the dev package first

SGaist

No, it's an environment variable.

Install the dev package first

paul_espinosa

thank i can compilate the libs

now i need help or some tutorial to play mp3 with gsstreamer

paul_espinosa

thank i can compilate the libs

now i need help or some tutorial to play mp3 with gsstreamer

SGaist

Then you should consider using QtGStreamer

SGaist

Then you should consider using QtGStreamer

paul_espinosa

i need write and read data of text
i want to create an application that save location of songs.
and other application for read this information to play the song ...someone can i help me with some information ... i readed about csv files but how i can write and read this files ..or there are some better way to do this

paul_espinosa

i need write and read data of text
i want to create an application that save location of songs.
and other application for read this information to play the song ...someone can i help me with some information ... i readed about csv files but how i can write and read this files ..or there are some better way to do this

SGaist

You already have answers "here":https://qt-project.org/forums/viewthread/52623/