piper should be installed as a bin

workflow/hpr-process_episode.bash

@@ -18,7 +18,6 @@ outro_flac="${processing_dir}/outro.flac"   # The outro edited media
 outro_srt="${processing_dir}/outro.srt"     # The outro subtitle file
 intro_srt="${processing_dir}/intro.srt"     # The intro subtitle template file
 
-piper_bin="/opt/bin/piper/piper/piper"      # The location of the text to speech engine
 piper_voice="/opt/bin/piper/piper/piper-voices/en/en_US/lessac/medium/en_US-lessac-medium.onnx"
 
 working_dir_bypass="false"
@@ -92,7 +91,7 @@ function program_checks() {
     done
   }
 
-  is_installed audio2image.bash awk base64 cat csvtojson curl date eval exiftool extract_images ffprobe ffmpeg file find fix_tags grep head jq kate magick mediainfo mv ${piper_bin} realpath remove-image.pl rsync seamonkey sed sed sort sponge ssh touch touch wget hpr-check-ccdn-links xmlstarlet
+  is_installed audio2image.bash awk base64 cat csvtojson curl date eval exiftool extract_images ffprobe ffmpeg file find fix_tags grep head jq kate magick mediainfo mv piper realpath remove-image.pl rsync seamonkey sed sed sort sponge ssh touch touch wget hpr-check-ccdn-links xmlstarlet
 
   for arg in $*
   do
@@ -480,12 +479,6 @@ function check_variable_is_correct() {
           echo_error "The \"outro_srt\" variable is missing or file \"${outro_srt}\" does not exist."
         fi
       ;;
-      piper_bin)
-        if [ -z "${piper_bin}" ]
-        then
-          echo_error "The \"ep_num\" variable is missing."
-        fi
-      ;;
       piper_voice)
         if [ -z "${ep_num}" ]
         then
@@ -1415,11 +1408,11 @@ function create_tts_summary() {
     return
   fi
 
-  check_variable_is_correct working_dir duration synopsis piper_bin piper_voice
+  check_variable_is_correct working_dir duration synopsis piper_voice
 
   echo_debug "Converting text synopsis \"${synopsis}\" to speech."
 
-  echo "${synopsis}" | "${piper_bin}" --model "${piper_voice}" --output_file "${episode_tts_wav}"
+  echo "${synopsis}" | piper --model "${piper_voice}" --output_file "${episode_tts_wav}"
   
   check_variable_is_correct episode_tts_wav