fatal error: gtk/gtk.h

[Zmad]

Hi,

I am working my way through the online Gstreamer tutorials. Now I am stuck on the Basic Tutorial 5 (basic-tutorial-5.c). I get the following error when compiling:

$ gcc basic-tutorial-5.c -o basic-tutorial-5 `pkg-config --cflags --libs gstreamer-interfaces-1.0 gtk+-3.0 gstreamer-1.0`

Package gstreamer-interfaces-1.0 was not found in the pkg-config search path.

Perhaps you should add the directory containing `gstreamer-interfaces-1.0.pc'

to the PKG_CONFIG_PATH environment variable

No package 'gstreamer-interfaces-1.0' found

basic-tutorial-5.c:77:21: fatal error: gtk/gtk.h: Filen eller katalogen finns inte

 #include <gtk/gtk.h>

                     ^

compilation terminated.

According to the tutorial the following libraries are required:

   - gstreamer-video-1.0 (Package: libgstreamer-plugins-base1.0-dev)

   - gtk+-3.0 (Package: libgtk-3-dev)

   - gstreamer-1.0

Those packages are also installed:

$ dpkg-query -l | grep "libgstreamer-plugins-base1.0-dev"

ii  libgstreamer-plugins-base1.0-dev      1.4.4-2+deb8u1                       i386         GStreamer development files for libraries from the "base" set

$ dpkg-query -l | grep "libgtk-3-dev"

ii  libgtk-3-dev:i386                     3.14.5-1+deb8u1                      i386         development files for the GTK+ library

The gtk.h file is installed:

$ sudo find /usr -name gtk.h

/usr/include/gtk-3.0/gtk/gtk.h

/usr/include/gtk-2.0/gtk/gtk.h

I have googled like a madman but I don't find a solution. Does anyone know a solution?

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[Sebastian Dröge-3]

On Sat, 2017-08-05 at 21:53 +0200, Mats Lindestam wrote:

> Hi,
> I am working my way through the online Gstreamer tutorials. Now I am
> stuck on the Basic Tutorial 5 (basic-tutorial-5.c). I get the
> following error when compiling:
>
> $ gcc basic-tutorial-5.c -o basic-tutorial-5 `pkg-config --cflags --
> libs gstreamer-interfaces-1.0 gtk+-3.0 gstreamer-1.0`
> Package gstreamer-interfaces-1.0 was not found in the pkg-config
> search path.
> Perhaps you should add the directory containing `gstreamer-
> interfaces-1.0.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'gstreamer-interfaces-1.0' found
> basic-tutorial-5.c:77:21: fatal error: gtk/gtk.h: Filen eller
> katalogen finns inte
>  #include <gtk/gtk.h>
>                      ^
> compilation terminated.

This is supposed to be gstreamer-video-1.0 instead of
gstreamer-interfaces-1.0. It's fixed now in the docs, thanks for
reporting:
  https://cgit.freedesktop.org/gstreamer/gst-docs/commit/?id=fce81a19a80b27ae103c7ce54527740babf771a8

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[Zmad]

Hi,

I have found another typo in "Basic tutorial 5" (https://gstreamer.freedesktop.org/documentation/tutorials/basic/toolkit-integration.html), the callback function "draw_cb" is called "expose_cb" in the Walkthrough.

/Mats

2017-08-06 0:38 GMT+02:00 Sebastian Dröge <[hidden email]>:

On Sat, 2017-08-05 at 21:53 +0200, Mats Lindestam wrote:
> Hi,
> I am working my way through the online Gstreamer tutorials. Now I am
> stuck on the Basic Tutorial 5 (basic-tutorial-5.c). I get the
> following error when compiling:
>
> $ gcc basic-tutorial-5.c -o basic-tutorial-5 `pkg-config --cflags --
> libs gstreamer-interfaces-1.0 gtk+-3.0 gstreamer-1.0`
> Package gstreamer-interfaces-1.0 was not found in the pkg-config
> search path.
> Perhaps you should add the directory containing `gstreamer-
> interfaces-1.0.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'gstreamer-interfaces-1.0' found
> basic-tutorial-5.c:77:21: fatal error: gtk/gtk.h: Filen eller
> katalogen finns inte
>  #include <gtk/gtk.h>
>                      ^
> compilation terminated.

This is supposed to be gstreamer-video-1.0 instead of
gstreamer-interfaces-1.0. It's fixed now in the docs, thanks for
reporting:
  https://cgit.freedesktop.org/gstreamer/gst-docs/commit/?id=fce81a19a80b27ae103c7ce54527740babf771a8

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Sebastian Dröge, Centricular Ltd · https://www.centricular.com

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[Sebastian Dröge-3]

On Sun, 2017-08-06 at 10:56 +0200, Mats Lindestam wrote:
> Hi,
> I have found another typo in "Basic tutorial 5" (https://gstreamer.fr
> eedesktop.org/documentation/tutorials/basic/toolkit-integration.html)
> , the callback function "draw_cb" is called "expose_cb" in the
> Walkthrough.

Thanks for reading so carefully, this also fixed now :)

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Sebastian Dröge, Centricular Ltd · https://www.centricular.com

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