bhaskara

<launch>

  <!--
  To distinguish between the cases where the rgb image is
  1280x1024 versus 640x480.  This affects the pipeline.
  -->
  <arg name="high_res_rgb" default="true"/>
  <arg name="cloud_input_ns" value="camera/rgb_downsampled"
       if="$(arg high_res_rgb)"/>
  <arg name="cloud_input_ns" value="camera/rgb" unless="$(arg high_res_rgb)"/>

sebclaeys

import fcntl
import os
from subprocess import *

def non_block_read(output):
    fd = output.fileno()
    fl = fcntl.fcntl(fd, fcntl.F_GETFL)
    fcntl.fcntl(fd, fcntl.F_SETFL, fl | os.O_NONBLOCK)
    try:
        return output.read()