browser-emulator: fix location for cached mediafiles not found in EC2

Author: ivchicano

browser-emulator/aws/EC2-browser-emulator.yml

@@ -60,7 +60,6 @@ Resources:
                         ./prepare_scripts/download_mediafiles.sh ${CacheMediaFilesArgs} > /var/log/download_mediafiles.log 2>&1
                       fi
                     fi
-                    mv /opt/openvidu-loadtest/browser-emulator/prepare_scripts/mediafiles/* /opt/openvidu-loadtest/browser-emulator/mediafiles/
                     ./prepare_scripts/install_base.sh > /var/log/install.log 2>&1
                     echo "@reboot cd /opt/openvidu-loadtest/browser-emulator && /usr/bin/docker compose -f docker-compose.yml up -d --build > /var/log/docker_compose_reboot.log 2>&1" | crontab -u ubuntu -
                     apt-get install -y python3-pip linux-aws-edge

browser-emulator/prepare_scripts/download_mediafiles.sh

@@ -23,7 +23,8 @@ set -o xtrace
 #   ./prepare_scripts/download_mediafiles.sh game 480 720 30                 # Downloads game media at 480p and 720p at 30fps
 
 SELF_PATH="$(cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)" # Absolute canonical path
-MEDIAFILES_DIR="$SELF_PATH/mediafiles"
+# Use the browser-emulator/mediafiles directory (sibling of prepare_scripts)
+MEDIAFILES_DIR="$(cd -P -- "$(dirname -- "$SELF_PATH")/mediafiles" && pwd -P)"
 mkdir -p "$MEDIAFILES_DIR"
 
 # S3 bucket URL for media files