args "--no-handle-help --no-handle-version" purpose "Play wav or raw audio." include(header.m4) include(loglevel.m4) option "writer" w #~~~~~~~~~~~~~~~~ "select stream writer" string typestr="name" default="alsa (file if alsa is unsupported)" optional multiple details=" May be give multiple times. The same writer may be specified more than once. " include(channels.m4) include(sample_rate.m4) include(sample_format.m4)