[voicevox] Update use_docker option

Author: iory

3rdparty/voicevox/README.md

@@ -75,7 +75,7 @@ docker run --rm --gpus all -p '50021:50021' voicevox/voicevox_engine:nvidia-ubun
 ```
 
 ```
-roslaunch voicevox voicevox_texttospeech.launch ip:=<Docker PC IP>
+roslaunch voicevox voicevox_texttospeech.launch use_docker:=true host:=<Docker PC IP>
 ```
 
 

3rdparty/voicevox/launch/voicevox_texttospeech.launch

@@ -10,12 +10,15 @@
   <arg name="port" default="$(optenv VOICEVOX_TEXTTOSPEECH_PORT 50021)" />
   <arg name="cpu_num_threads" default="1"
        doc="Number of cpu threads" />
+  <arg name="use_docker" default="false"
+       doc="Use docker or not (default: false)" />
 
   <node name="voicevox_server"
         pkg="voicevox" type="run-voicevox"
         args="--voicelib_dir=$(find voicevox)/voicevox_core --host $(arg host) --port $(arg port) --cpu_num_threads=$(arg cpu_num_threads) --load_all_models --"
         respawn="$(arg sound_play_respawn)"
-        output="screen" >
+        output="screen"
+        unless="$(arg use_docker)">
   </node>
 
   <node if="$(arg launch_sound_play)"