Made pitch test linear and range from 0.5 to 1.5 only.
Made pitch test linear and range from 0.5 to 1.5 only.

kaostao/directfb,kevleyski/directfb,kaostao/directfb,kevleyski/directfb,Distrotech/DirectFB,lancebaiyouview/DirectFB,kevleyski/directfb,dfbdok/DirectFB1,kevleyski/DirectFB-1,kevleyski/DirectFB-1,deniskropp/DirectFB,mtsekm/test,DirectFB/directfb,djbclark/directfb-core-DirectFB,sklnet/DirectFB,dfbdok/DirectFB1,kevleyski/directfb,jcdubois/DirectFB,lancebaiyouview/DirectFB,sklnet/DirectFB,DirectFB/directfb,Distrotech/DirectFB,deniskropp/DirectFB,jcdubois/DirectFB,sklnet/DirectFB,kevleyski/DirectFB-1,djbclark/directfb-core-DirectFB,DirectFB/directfb,jcdubois/DirectFB,kaostao/directfb,deniskropp/DirectFB,djbclark/directfb-core-DirectFB,lancebaiyouview/DirectFB,dfbdok/DirectFB1,lancebaiyouview/DirectFB,mtsekm/test,mtsekm/test,kevleyski/DirectFB-1,sklnet/DirectFB,djbclark/directfb-core-DirectFB,Distrotech/DirectFB,deniskropp/DirectFB