Revert "improve stream testing script (#2525)"

This reverts commit e748d8f765.

test/automated/hls/run.sh

@@ -2,6 +2,13 @@
 
 set -e
 
+function start_stream() {
+  # Start streaming the test file over RTMP to
+  # the local owncast instance.
+  ffmpeg -hide_banner -loglevel panic -stream_loop -1 -re -i ../test.mp4 -vcodec libx264 -profile:v main -sc_threshold 0 -b:v 1300k -acodec copy -f flv rtmp://127.0.0.1/live/abc123 &
+  STREAMING_CLIENT=$!
+}
+
 function update_storage_config() {
   echo "Configuring external storage to use ${S3_BUCKET}..."
 
@@ -17,13 +24,14 @@ TEMP_DB=$(mktemp)
 npm install --silent >/dev/null
 
 # Download a specific version of ffmpeg
-FFMPEG_PATH=$(mktemp -d)
-pushd "$FFMPEG_PATH" >/dev/null || exit
-curl -sL --fail https://github.com/ffbinaries/ffbinaries-prebuilt/releases/download/v4.4.1/ffmpeg-4.4.1-linux-64.zip --output ffmpeg.zip >/dev/null
-unzip -o ffmpeg.zip >/dev/null
-chmod +x ffmpeg
-PATH=$FFMPEG_PATH:$PATH
-popd >/dev/null || exit
+if [ ! -d "ffmpeg" ]; then
+  mkdir ffmpeg
+  pushd ffmpeg >/dev/null
+  curl -sL https://github.com/vot/ffbinaries-prebuilt/releases/download/v4.2.1/ffmpeg-4.2.1-linux-64.zip --output ffmpeg.zip >/dev/null
+  unzip -o ffmpeg.zip >/dev/null
+  PATH=$PATH:$(pwd)
+  popd >/dev/null
+fi
 
 pushd ../../.. >/dev/null
 
@@ -32,19 +40,18 @@ go build -o owncast main.go
 ./owncast -database "$TEMP_DB" &
 SERVER_PID=$!
 
+function finish {
+  echo "Cleaning up..."
+  rm "$TEMP_DB"
+  kill $SERVER_PID $STREAMING_CLIENT
+}
+trap finish EXIT
+
 popd >/dev/null
 sleep 5
 
 # Start the stream.
-../../ocTestStream.sh &
-STREAMING_CLIENT=$!
-
-function finish {
-  echo "Cleaning up..."
-  kill $SERVER_PID $STREAMING_CLIENT
-  rm -fr "$TEMP_DB" "$FFMPEG_PATH"
-}
-trap finish EXIT
+start_stream
 
 echo "Waiting..."
 sleep 13