I have made some archive file with the tar gnome GUI on Ubuntu but when I try to extract them
tar zxvf archive_name
I get following error
Cannot open: Not a directory
What is the problem ?
I want to make an Android application using native libraries which use the Gnu build tools (gnu makefile).
My question is how to write the "Android.mk" files for these libraries in order to build them using the Android build system or the Android NDK.
Thanks in advance
I have downloaded Android source code but I don't find the "Kernel Directory" in the top level directory of the source code tree. Is it normal ???? or is it missing ???
/mydroid$ find . -name kernel
./bionic/libc/kernel
./vendor/htc/sapphire-open/kernel
./vendor/htc/dream-open/kernel
./dalvik/libcore/luni-kernel/src/test/java/tests/api/org/apache/harmony/kernel
./dalvik/libcore/luni-kernel/src/main/java/org/apache/harmony/kernel
./prebuilt/android-arm/kernel
./prebuilt/android-x86/kernel
./device/htc/passion/kernel
I'm newbie with Gstreamer and I'm trying to use it in order to make a RTP session
I can make a Gstrtpbin sender and a Gstrtpbin receiver separately but I can not make the same Gstrtpbin as sender and receiver in the same time. My question: Is it possible to do it ???
If it is, I will be thankful for a simple example with the C language.
Recently I'm interesting in multimedia programming but all I know about multimedia is simple and basic concepts related to codecs and container formats. So can you tell me from where to begin and is there some good books which explain multimedia concepts from software programming standpoint.
In the C language: How do I convert unsigned long value to a string (char *) and keep my source code portable or just recompile it to work on other platform (without rewrite code)
While, I'm reading gstreamer document I found this: "
Audioconvert converts raw audio buffers between various possible formats.
It supports integer to float conversion, width/depth conversion, signedness and endianness conversion and channel transformations."
I only understand
"depth" (bit number per sample)
"signedness and endianness" (for data representation)
And now, I'm looking for explanations of :
"integer to float conversion"
"width"
"channel transformations"
Thanks in advance
I really want to fix the meanings of this terms.This is what I know about them:
Platform: is an environment that allows an application to run and it is usually composite by hardware and software e.g. your machine with your OS installed on it. However some software stack are also called as platform like Java Platform.
Framework: is design-oriented. That is, it defines a skeleton of an application type. Also it saves time by offering, through an API, the common functionalities that a kind of applications must implement. Moreover a Framework include a software components that manage the application life-cycle.
Middle-ware: is a software that offers services to an application in order to let it inter-operates with other applications or supports different platforms. Middle-ware can be a part of a framework.
Is there something wrong or missing ?
I have downloaded the Android source code on my computer using the repo sync command. Since I have no experience with git and repo , I would like to know if it is possible to copy the mydroid directory (which contains Android source code) to an other computer by just burning it on a DVD and then processing the build without problems.
Thanks in advance and sorry if my question is stupid
What is the benefit of declaring a C structure member as in array of size 1 instead of a pointer :
struct {
a_struct_t a_member[1];
...
}b_struct;
Thanks in advance
It is possible to add include paths and libraries to all C projects. In others words who can I make them global or copy one C project build setting to an other one
SRC_VAR = test string for variable manipulation.
TEST1_VAR = $(subset for,foo,${SRC_VAR})
all:
@echo original str: ${SRC_VAR}
@echo substitution: ${TEST1_VAR}
This is the output:
original str: test string for variable manipulation.
substitution:
The output should be:
original str: My test string for variable manipulation.
substitution: My test string foo variable manipulation.