RE:

On Dec 30, 2011 8:05 PM, "Philip Anil-QBW348" < anil.philip@motorolasolutions.com> wrote:

Audio /video codecs are just system libraries not kernel drivers... You

could modify the codec library code to start a new process, but it's hackish...

--

Suppose the codecs are owned by a special user, Foo. Then is it possible

for Foo to automatically run the program Bar after the codecs finish?

Anil

Again, libraries are not owned by an user... They're just files, that any user can read. And the code in those files are used by processes that are owned by an user. A new process will be run by the same user as the one that forked that process (usually).