Update easy-playback.sh

easy-playback.sh

@@ -1,8 +1,37 @@
 #!/usr/bin/env bash
-## To use this script you need to install
-## edge-tts.py to a directory in your $PATH
-## as executable and give it the name edge-tts.
-trap 'kill -- $(jobs -p) 2>/dev/null' EXIT
-[ "$1" == "stdin" ] && { stdin=$(cat); shift 1; set -- "$@" '--file=/dev/stdin'; } || stdin=""
-exec {fd}< <(edge-tts "${@}" <<<"$stdin")
-mpg123 -C "/dev/fd/$fd"
+
+## To use this script you need to install edge-tts.py to a directory in your $PATH as executable
+## and give it the name edge-tts. Alternatively you could just run the install script.
+export LC_ALL=C
+
+## We use a temporary file now instead of file descriptor because mpg123 doesn't
+## let me seek back a file descriptor, only seek forward.
+ttsmpeg=$(mktemp)
+
+## Cleanup function to kill all processes and remove tmp file
+quitfunc() {
+	# shellcheck disable=SC2046
+	kill -- $(jobs -p)
+	rm -f -- "${ttsmpeg:?}"
+}
+trap 'quitfunc > /dev/null 2>&1' EXIT
+
+## If stdin is $1 we shift 1 and save the stdin data to an stdin variable.
+## We also add --file=/dev/stdin to params that edge-tts will get.
+if [ "$1" == "stdin" ]
+then
+	stdin=$(cat)
+	shift 1
+	set -- "$@" '--file=/dev/stdin'
+else
+	stdin=""
+fi
+edge-tts "${@}" >"$ttsmpeg" <<<"$stdin" &
+
+## Wait until temporary file has some data so mpg123 doesn't exit immediately
+## because it thinks file is empty and won't have any data.
+while [ "$(wc -c <"$ttsmpeg")" == 0 ]
+do
+	sleep 0.1
+done
+mpg123 --quiet --control "$ttsmpeg"