CX18_F_I_ENC_PAUSED
if (test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))