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Full Discussion: Gstreamer and C/C++ dev
Top Forums Programming Gstreamer and C/C++ dev Post 302407405 by JohnGraham on Thursday 25th of March 2010 10:39:38 AM
Old 03-25-2010
Quote:
Originally Posted by takeo.kikuta
Code:
const gchar *nano_str;
guint major, minor, micro, nano;
gst_init (&argc, &argv);
gst_version (&major, &minor, &micro, &nano);

If I delete these two lines, the code is successfully constructed
what is the problem?
These are linker errors - you need to link with the pre-compiled gstreamer library. This means you need to find where that library is and, if it's not in a standard directory like /lib/ or /usr/lib/, pass that as an -L option to specify the library directory to gcc, much like you did with -I (uppercase 'i'), and then you need to pass an -l (lowercase 'L') option, e.g. the following:

Code:
gcc -L/usr/lib/gstreamer-0.10/ -lgstreamer

Will tell gcc to look for library files in /usr/lib/gstreamer-0.10/, and will look for libgstreamer.so.

I don't know if you'll want to use -lgstreamer, you'll have to find out from their documentation.
 

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gst-register-0.8(1)						   User Commands					       gst-register-0.8(1)

NAME
gst-register-0.8, gst-register - register GStreamer plugins SYNOPSIS
gst-register-0.8 [gst-std-options] gst-register [gst-std-options] [--gst-list-mm] [--gst-mm=string] [--print] DESCRIPTION
gst-register-0.8 registers all of the GStreamer plugins on your system. gst-register-0.8 creates a listing of their properties so that on startup of GStreamer-based applications, you do not need to load plugins until you need them. When run as the root user, gst-register-0.8 creates the Global GStreamer plugin registry which is stored in /var/cache/gstreamer-X.X/reg- istry.xml, where X.X is the GStreamer major and minor version number. When run as a user other than the root user, gst-register-0.8 creates a user registry ~/.gstreamer-X.X/registry.xml, where X.X is the GStreamer major and minor version number. Programs that uses GStreamer use the user plugin registry if it exists, and use the Global plugin registry if not. gst-register is a wrapper script that runs the latest installed version of gst-register-X.X. For example, if both gst-register-0.7 and gst- register-0.8 are installed on your system, gst-register runs gst-register-0.8. OPTIONS
The following options are supported by gst-register-0.8 and gst-register: gst-std-options Standard options available for use with most GStreamer applications. See gst-std-options(5) for more information. The following options are supported by gst-register only: --gst-list-mm List found major/minor versions. This option displays the versions that are available. --gst-mm=string Force major/minor version. This option enables you to specify a specific version to run, if you do not want to run the default version. --print Print wrapped command line. This option displays the command that will be run, and then runs the command. EXAMPLES
Example 1: Running the Wrapper Script and Displaying the Command Name example% gst-register --print /usr/bin/gst-register-0.8 FILES
The following files are used by this application: /usr/bin/gst-register-0.Executable to register GStreamer plugins /usr/bin/gst-register Wrapper script that runs the latest installed version of gst-register-X.X /var/cache/gstreamer-X.XGStreamer.global plugin registry, where X.X is the GStreamer major and minor version number. ~/.gstreamer-X.X/registrGStreamer user plugin registry, where X.X is the GStreamer major and minor version number. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-media | +-----------------------------+-----------------------------+ |Interface stability |External | +-----------------------------+-----------------------------+ SEE ALSO
gst-complete(1), gst-compprep(1), gst-feedback(1), gst-inspect(1), gst-launch(1), gst-launch-ext(1), gst-md5sum(1), gst-thumbnail(1), gst- typefind(1), gst-xmlinspect(1), gst-xmllaunch(1), gstreamer-properties(1), libgstreamer-0.8(3), libgstgetbits(3), gst-std-options(5) NOTES
Original man page written by the GStreamer team at http://gstreamer.net/. Updated by Brian Cameron, Sun Microsystems Inc., 2004. SunOS 5.10 14 Oct 2004 gst-register-0.8(1)
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