Fixed bug in audio mixer when one source is muted
Fixed bug in audio mixer when one source is muted

git-svn-id: ab66a9de07fa9d47c5829c82992f5279466c775f@4274 63c20433-aa62-49bd-875c-5a186b69a8fb

rbouqueau/gpac,porcelijn/gpac,ARSekkat/gpac,nguyen-viet-thanh-trung/gpac,rbouqueau/gpac_brew_travis,DmitrySigaev/gpac,gpac/gpac,gpac/gpac,rbouqueau/gpac_brew_travis,emmanouil/gpac,gpac/gpac,canatella/gpac,RodolpheFouquet/gpac,aymanelyaagoubi/gpac,rbouqueau/gpac,rbouqueau/gpac_brew_travis,DmitrySigaev/gpac,rauf/gpac,porcelijn/gpac,porcelijn/gpac,aymanelyaagoubi/gpac,drakeguan/gpac,ARSekkat/gpac,rauf/gpac,rbouqueau/gpac,vladimir-kazakov/gpac,rbouqueau/gpac,gpac/gpac,DmitrySigaev/gpac,rbouqueau/gpac,nguyen-viet-thanh-trung/gpac,nguyen-viet-thanh-trung/gpac,gpac/gpac,psteinb/gpac,gpac/gpac,rbouqueau/gpac,porcelijn/gpac,vladimir-kazakov/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis,ARSekkat/gpac,drakeguan/gpac,psteinb/gpac,rbouqueau/gpac_brew_travis,epam/gpac,Bevara/Access-open,canatella/gpac,emmanouil/gpac,RodolpheFouquet/gpac,aymanelyaagoubi/gpac,canatella/gpac,aymanelyaagoubi/gpac,vladimir-kazakov/gpac,Bevara/Access-open,rbouqueau/gpac_brew_travis,vladimir-kazakov/gpac,drakeguan/gpac,canatella/gpac,emmanouil/gpac,psteinb/gpac,Bevara/Access-open,gpac/gpac,psteinb/gpac,DmitrySigaev/gpac,aymanelyaagoubi/gpac,RodolpheFouquet/gpac,vladimir-kazakov/gpac,epam/gpac,nguyen-viet-thanh-trung/gpac,gpac/gpac,drakeguan/gpac,ARSekkat/gpac,rbouqueau/gpac,rauf/gpac,RodolpheFouquet/gpac,canatella/gpac,canatella/gpac,drakeguan/gpac,rauf/gpac,vladimir-kazakov/gpac,epam/gpac,emmanouil/gpac,drakeguan/gpac,DmitrySigaev/gpac,nguyen-viet-thanh-trung/gpac,psteinb/gpac,ARSekkat/gpac,epam/gpac,RodolpheFouquet/gpac,rauf/gpac,Bevara/Access-open,porcelijn/gpac,porcelijn/gpac,aymanelyaagoubi/gpac,emmanouil/gpac,Bevara/Access-open,RodolpheFouquet/gpac,epam/gpac,rauf/gpac,DmitrySigaev/gpac,rbouqueau/gpac,canatella/gpac,psteinb/gpac,emmanouil/gpac,epam/gpac,nguyen-viet-thanh-trung/gpac,ARSekkat/gpac