DEFAULT_CAN_ACTIVATE_PUSH  660 libs/gst/base/gstbasesink.c   basesink->can_activate_push = DEFAULT_CAN_ACTIVATE_PUSH;
DEFAULT_CAN_ACTIVATE_PUSH  210 plugins/elements/gstfakesink.c           "Can activate in push mode", DEFAULT_CAN_ACTIVATE_PUSH,
DEFAULT_CAN_ACTIVATE_PUSH  344 plugins/elements/gstfakesrc.c           "Can activate in push mode", DEFAULT_CAN_ACTIVATE_PUSH,