Other than a slight load time vs loading via my NAS, no issues so far Pi 3 with LibreElec + Jellyfin. Members Online. Jellyfin is now installed and running. Writing online since 2013, Moe has bylines at MakeUseOf, TechBeacon, DZone, SmartHomeBeginner, DEV. See below image from my smartphone: A restart of jellyfin, or a restart of the raspberry doesn't help. apt remove jellyfin* && apt purge jellyfin*. (like watched lists) and I don't want to lose this data. dart if you're interested). before use sudo rm /Flash to remove the symlink greated before. Marking a series as 'watched' takes upwards of 10 - 15 seconds to reflect. 8. I see that it depends on libssl1. You can read his writings on film and pop culture at Cup of Moe, check. ago. This would make sense as easyrider. 8 hardware acceleration on Raspberry Pi via OpenMAX OMX was dropped and is no longer available. sudo usermod -aG video jellyfin. 50. This plugin installs the Jellyfin media server app on your Volumio device. Given up, have damn hard does it need to be. Rampo321 •. I have a Raspberry Pi that I could use as a dedicated client to feed audio into the amp via the 3. Create persistent storage for configuration and cache data. Hello friends, I have just read the last 15 posts regarding Jellyfin and the Raspberry PI4: 1gb ram and would like to check some information with you. 1, etc. Setup Reverse Proxy Complete guide for reverse proxy setup with Nginx or Apache. The Jellyfin team puts it best here: “As of Jellyfin 10. audio, videos) to the existing hard drive that Jellyfin reads from. Search for the "jellyfin. Like raspbian and make sure you enabled all video acceleration stuff. Enter the following command:. It will free up RAM as needed (if possible). Step 2. 8 hardware acceleration on Raspberry Pi via OpenMAX OMX was dropped and is no longer available. You can list all your containers with. this is always how i've been using jellyfin since transitioning from raspberry pi os to ubuntu. i had no issues with the service on. d] starting services. Moe Long is an editor, writer, and tech buff with a particular appreciation for Linux, Raspberry Pis, and retro gaming. Jellyfin runs on about 700-800MiB of RAM for me. list. Raspberry Pi 4 with external USB hard drive storage. My main purpose was a. Orange Pi 4 LTS is a single-board computer that is an excellent alternative to Raspberry Pi. compress, then transfer the four* folders from original Pi4 to Pi5, uncompress, double make sure Jellyfin:Jellyfin is an owner of them. New Features and Major Improvements. VAAPI (Video Acceleration API): Initially designed by Intel in 2007, targeted at the X Window System on Unix-based operating systems, now open-source. I suspect the slow CPU performance during scan is because Jellyfin is trying to generate Thumbnail for the episodes ? So the initial run will be. Jellyfin movie library not displaying content: [email protected] Jul 18, 2022 Beginner Media This tutorial will show you how to install the Jellyfin media server to the Raspberry Pi. I chose to install JellyPoster on the. Execute the following commands to update the package lists and install FFmpeg: 1. 8 hardware acceleration on Raspberry Pi via OpenMAX OMX was dropped and is no longer available. The web interface in jellyfin is the best out of. I just have HDTV 1080p content or HEVC and I use only Direct play for all my users but my friends with a good internet connexion have a lot of lag. └── Provides a list of currently installed versions of Jellyfin for you to download. Find the user you want to change, and click the three dots on their name “…”. If you aren’t sure how, . The SD card has a tendency to corrupt the /boot partition. gz Update-Jellyman - Updates this Jellyman CLI Tool. It works great on plex already. with a USB 3. 6. Long-form discussions about Jellyfin packaging (Docker, APT, etc. With the board you can receive and view TV on a Raspberry Pi, or create a TV server that allows you to stream received TV over a network to other devices. For paths in other environments, see server paths. Users need to wait for some time till the software is removed. Now with the Pi up to date, we will need to remove Apache2. I have a spare 8GB Pi 4, and I'm wondering which one would be better to install Jellyfin on? I would run jellyfin in a container on OMV, the i3 is going to blow a rpi out of the water in pure processing power. Add a comment. So, the video stream stays as-is but the audio is converted to 320 kbps MP3 and the whole thing is packaged into an HTTP Live Stream (HLS) that is basically an MPEG 2 transport stream split into multiple files. We can do this by running the following command. Raspberry Pi 4 Jellyfin Media Player. According to the instructions here on the jellyfin site, I am to create two persistent stores, "cache" anc. When streaming a 1080p video, roughly 30% of the RAM and CPU on both devices are in use. Here is the step-by-step guide to disable transcoding: Step 1. I'm running the jellyfin docker image on a raspberry pi 4. At the moment, I have Raspian and jellyfin installed on my Raspberry PI4 and in general it works rather well. ago. ultrahkr • 2 yr. Jellyfin reportedly runs fine on a Raspberry Pi 3 with 2GB RAM Neither of the situations you described are possible, afaik. In this tutorial we are going to install AdGuard Home. It also runs sonarr, radarr, adguard, qbittorrent and transmission. 264 for playback on non-HEVC devices (Chromecast gen. First, you'll need to install Raspberry Pi Lite OS on the SD card you wish to use with your Raspberry Pi. It is an alternative to the proprietary Emby and Plex, to provide media from a dedicated server to end-user devices via multiple apps. Install on Windows. Then go create a script that will launch firefox or chromium in fullscreen mode and make the start page the jellyfin url. If you do encounter issues on these platforms, please ask for support in their respective support. Long-form discussions about Jellyfin packaging (Docker, APT, etc. To start, the installation files for the project and github appear to all be AMD64 for the Jellyfin Player. Their claims are probably based on some sort of GPU assisted encoding and it'll take time for some driver to work its way down to ffmpeg. Given up, have damn hard does it need to be. Port forwarding is a risk. Pretty well - I installed it last week on an rpi4 (linuxserver docker container) and everything. docker pull jellyfin/jellyfin. Next, you'll be prompted to add your media libraries. My current setup is a first-gen Amazon…8. 2. compress, then transfer the four* folders from original Pi4 to Pi5, uncompress, double make sure Jellyfin:Jellyfin is an owner of them. Download the latest container image. I use Ubuntu, so I download the Linux 64-bit version. ubuntu@rpi4b:~$ sudo apt update # Install Jellyfin. Check the /dev/dri permissions inside the container (exec)Apr 21 21:17:16 raspberrypi3 systemd[1]: jellyfin. install Jellyfin, stop jellyfin. The Pi boots off an SSD connected via USB3 and has 3 other external hard disks attached to it via. Now Copy and paste the following docker-compose data into the “ Web. How to optimize Jellyfin for scarce resources such as Raspberry Pi 4. It will enable Developer Options on Android TV. 1. There are no strings attached, no premium licenses or features, and no hidden agendas. Thanks. Run the commands below, in order, and Jellyfin will be installed. 7. I'd like to have Jellyfin set up in a Docker container, be able to transcode h. 1. ago. . Some routers will reserve the same address for the Raspberry Pi each time it’s booted; if not, you’ll want to set up a static IP address for your Raspberry Pi. by Anondyne 2023-10-27, 11:27 PM: General Questions. com Updated Jul 18, 2022 Beginner Media This tutorial will show you how to install the Jellyfin media server to the Raspberry Pi. 0 ratings 0% found this document useful (0 votes) 7 views. Has anyone managed to setup the media player on a. Improve this answer. OpenMAX (Raspberry Pi). This loads the additional firmware components and removes the related kernel modules from. service". I've managed to get media folders working that are on my Raspberry Pi's micro SD card, but I can't seem to get folders on external storage drives working (a portable SSD in this case). Previously I had no issues installing Jellyfin via apt on Raspbian 10. My particular conflict with the struct i2c_msg definition was fixed by 'sudo apt-get remove libi2c-dev' and probably most people will not see it because they hadn't installed that header file. This bot exists to prevent issues from. aarch64 onto my RPi 4b which I did by using dd to copy the OS directly onto a SSD. A pi will struggle to run jellyfin if you can't direct play your content. There are a few Kodi remote apps out there. └── Provides a list of currently installed versions of Jellyfin for you to remove. Click Add Media Library button. also. Long-form discussions around Jellyfin client development Sub Forums: Android Development, Android TV Development, Roku Development, and 3 more. I use Nginx Proxy Manager in Docker. If you do not already own a device to host Jellyfin on, don't seek a Raspberry Pi 4. Upon clicking the button, the ZeroTier website will immediately create your first network. I live in Australia, so the heat thing is a real problem, it. Before you save click the SSL tab. Now before we install the Plex Media Server software to the Raspberry Pi, we need first to ensure our operating system is entirely up to date by running the following two commands. This is the method I used to install Jellyfin (the Debian method): sudo apt install apt-transport-Will run on a Raspberry Pi 3 however installation and performance will be slow. Remove Jellyfin Server image: docker rmi jellyfin/jellyfin. Everything else is fluff. Today, we will show you how to Install and configure Jellyfin as a Raspberry Pi media server. If that's still not there, message me and I'll help you there :) If I understood that correctly as network address, as in port number, you can change Emby’s port number in its settings. Version Switch - Switch Jellyfin version for another previously installed version. Once you reboot, inside jellyfin go to the Admin Dashboard > Playback > Transcoding > Select OpenMax OMX. I clearly should not have done it, but I decided to nuke /var/lib/jellyfin because some of my metadata was wrong and I couldn't figure out where it was. With your IP address handy, go to the following address in your favorite web browser. 1, but I believe the issue here is with those Jellyfin absent packages. Re: Jellyfin ffmpeg. I do have jellyfin/jellyfin docker image working ok without hardware acceleration but for some reason the linuxserver/jellyfin docker image is not working for me (I have disabled jellyfin/jellyfin container so no ports clash with linuxserver/jellyfin. I have jellyfin set up just the way I like it, and all the user caches are stored, etc. 8. To be honest, I'm sure there are. Improve this answer. In my installation, the memory usage slowly creeps upward (with moderate usage), and after a couple weeks it reaches 70% at which point things like samba server stops working… really annoying. WordPress. I run a personal media server using Jellyfin on a Raspberry Pi 4 in my home. The first step is to choose your preferred language. 2. Allow media downloading and syncing that requires transcoding. sudo usermod -aG media jellyfin. root@pi4:~# dpkg --list | grep jellyfin ii jellyfin 10. 3. This tells me the upgrade isn't actually working. The serial and model number will be use when broadcasting the Raspberry PI as a DLNA server in the network. . As of Jellyfin 10. You can get some information about how things went with: 1. Start jellyfin. This data is stored in the transcode directory. Pi-Hole and AdGuard Home are both free network-wide ad blockers. Next, you'll be prompted to add your media libraries. ) 2. Go to the Installed tab. Rename TV - Batch renaming script for TV shows. Whenever I try to play a movie from my server using Kodi running on a Raspberry Pi 3, the entire system freezes. Depends on size of your library. I had heard a lot about Kodi in my Raspberry Pi work, so I was checking into it, but didn't see a simple app install for it on the ASUSTOR App Center, so by default I decided to check out Jellyfin. Step 2: Granting Jellyfin Access to Media Directories. I have setup jellyfin along with some other apps running on a Raspberry Pi 4. Our guide to installing an operating system on the Pi walks you through using the Raspberry Pi Imager. I go through the set up wizard. If a user-defined bridge network was created, you can delete it as follows: docker network rm app-net Jellyfin is a Free Software Media System that puts you in control of managing and streaming your media. Or you use NFS/SAMBA to mount (/etc/fstab) the storage into the container. ago. And the RAM is low. 1. The shades of green is due to jellyfin's ffmpeg missing this commit which is merged to master but is not in 4. 2. This command will help to uninstall the application or the software from the Raspberry Pi. It is also configured to. Asked for help on jellyfin sub as well with no success. I've noticed that the Pi 4 supports hardware decoding for HEVC, but upon more Googling I've found varying bits of outdated and conflicting info, so I'm a little confused. There are some firmware components by default disabled on Raspberry Pi/DietPi, basically the camera module components which provide h264 decoding as well, so it could be tried to enable it via dietpi-config > Display Options > RPi Camera (reboot required). RetroPie. Open a terminal by clicking the icon in the top menu bar or through Menu > Accessories > Terminal, then update and upgrade your system: sudo apt update && sudo apt upgrade -y. Enable snaps on Raspberry Pi and install Jellyfin Media Player (community) Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. Apologies if this question has been asked before but I could only find very mixed responses so was hoping to hear from somebody using a similar setup or that may know. Note down the inet address under wlan0: this is the Raspberry Pi’s IP address. We will be using a docker composed stack in Portainer to deploy. If this is your first time running Calibre on your device, you. Download the Disk Image. Volumio plugin for playing audio from one or more Jellyfin servers. You could also use a Ryzen apu which would be good because it can transcode really good without any dedicated graphics card. Now you should see these options under “Media Playback”. I'll let you decide whether you want to patch it for the arm/aarch64 builds or not. Re: Jellyfin ffmpeg. We now need to add Pi as a Samba user. Snaps are discoverable and installable from the Snap Store, an app store with. service changed on disk. Take a look at the codec support. (2 mechanical hard drives are connected to the 2 USB 3. $ sudo apt remove jellyfin Reading package lists. sudo apt update. . ii jellyfin-ffmpeg 4. Guessing you run raspbian on your pi and that you installed it via the repositories i would suggest sudo apt remove jellyfin But its hard to help you with so little information. On the Raspberry Pi 4 and Raspberry Pi 400 there are two micro HDMI ports, so you will need a micro-HDMI-to-full-size-HDMI lead or adapter for each display you wish to attach. Pi 4 4gb Server, serving x265 content. snapd : sudo snap remove - - - - purge snap : sudo apt purge snapd remove snap folder from file system : rm -rf /snap. Go to Search -> See that your media appear there. For the moment I'd like it to be only accessible from my home network (hardening the server and opening the access is for another day). In fact, you can host your own WordPress site on a Raspberry Pi. Jellyfin Server plugin for Volumio. The basic steps to create and run a Jellyfin container using Docker are as follows. This is built into the ffmpeg build produced for Jellyfin. Long-form. We can finally install the AdGuard Home software to our Raspberry Pi by using the command below. You'll see two items in a list: "/" and "/boot". I have a Raspberry pi 4 with 8 GB because i use 4 GB on a ramdisk and then i have changed the cache and transcoding path in Jellyfin Meia Server to the ram disk, this reduces writes on the SSD and. 7. So I shutdown Jellyfin and uninstalled it and restarted my laptop. Additional Jellyfin Media Permission Command Examples. Content mounted from my NAS via nfs. I have not tested it on devices with lower specs, but I would strongly advise against it. Next, you'll be prompted to add your media. It will list all the installed applications in your system. My main purpose was a torrentbox with NAS capability. It is exposed via fully qualified domain so that I can listen from my phone or computer. RPi is more. 0 on 2 platforms: Raspberry Pi 4 with 4GB mem and USB 3 SSD. Jellyfin is always moving forward, and bugs are often fixed as side. Jellyfin is already a server program, I think you can simply load Raspbian Lite on the Pi4 and install Jellyfin directly from there? If you just need to serve client video with direct play method, Pi4 is good enough, but in case you'll be doing transcoding in future, strongly recommend you to get x86 based, especially with 9th Gen iGPU (UHD6xx) or newer Intel. Everything else is fluff. They update automatically and roll back gracefully. I'm having some issues arise with a MySQL server through. djbon2112 • Jellyfin Project Leader • 3 yr. In this video, we are going to show you "Jellyfin Media Server Guide - Install, Setup, and Libraries using CasaOS on Raspberry Pi 4Hello ! I'm trying to build a Jellyfin Server with my Raspberry Pi and before doing anything I want to know what do I need to make it work properly. Connect to Jellyfin using your public domain name when you're away from home. Honestly the best method is installing a mainline pi distro in the most bare bones settings you can. Also, Portainer IO has given support to add GPU to a specific environment and then attach it to containers as per need. Now in the Stacks dashboard click on “ Add a stack “. CPU load typically sits between 1-1. service. Install Jellyfin on your Pi. mcarlton00. service: Failed with result 'exit. Environment variable JELLYFIN_CONFIG_DIR, if specified. DIY How to Use Your Raspberry Pi 4 as a Jellyfin Streaming Media Center By David Rutland Published Jul 26, 2022 Want to build a Raspberry Pi media center. list. 471: 1,708:. It could be sudo docker stop containerid here , then sudo docker rm containerid , it could be as simple as docker-compose down -c yaml file name here , or docker stack rm stack name here . This bot exists to prevent issues from becoming stale and forgotten. This is the method I used to install Jellyfin (the Debian method): sudo apt install apt-transport-Tvheadend for your Raspberry Pi. Pi 4 with its (almost) gigabit connection. If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again. Version Download - Download an available Jellyfin version from the stable repository. after the reboot i cant use the extrenal until i rebot with an aktiv hdmi display on it. Remove Jellyfin Server image: docker rmi jellyfin/jellyfin. Ran the update recommended update when it was offered. If network bandwidth is an issue, kodi will fallback to transcode mode. 1: can i move my metadata or preferably my entire server over from my windows 10 laptop to the raspberry pi? 2. Audio Bash BIOS BitTorrent CD deCONZ Docker EAC ESXi Filesharing Fix FLAC FreeNAS Glances Guide Hardware Hi-fi Home-Assistant HTML IoT IOTLink Jellyfin Jellyseerr Linux Media Automation Mosquitto MQTT MusicBrainz Node-Red Paperless-ngx Phoscon PowerShell Prowlarr qBittorrent Raspberry Pi Reolink Security SFTP Sonarr SSH UnRAID Windows Z-Wave. JellyFin: bare metal install with hardware encoding/decoding via the official NVidia drivers. ubuntu@rpi4b:~$ sudo apt install jellyfin. In the menu on the left, click Users. This tells me the upgrade isn't actually working. We’re now going to place a script in this file that will run at a scheduled interval. You signed out in another tab or window. apt-get install monodevelop. My jellyfin server is running in a docker container on a raspberry pi. Alles anzeigen. You can keep the appuser created in step 5 and if you hab the right directory in step 4, no need to change. OpenMAX (Raspberry Pi) Hardware acceleration users for Raspberry Pi MMAL/OpenMAX will need to mount their. Jellyfin 10. Update Beta Downloads. The Jellyfin project and its contributors offer a number of pre-built binary packages to assist in getting Jellyfin up and running quickly on multiple systems. Raspberry Pi OSではSynapticとは表示されず、「Add/Remove Software」としてメニューに表示されています。. Worked! Was extremely slow when I changed channels (10s) and Jellyfin can only use 1 of the 4 tuners so I installed TVHeadend on a raspberry pi and tried the TVH-Plugin in Jellyfin. 2. Jellyfin vs Plex is often debated, as Jellyfin has emerged as one of the best Plex alternatives. It suggested Jellyfin as a username and I thought "Sure, I don't see a problem with that being the name for the admin account. Follow the official installation guide to install Docker. sudo apt install calibre. Step 1: Install LibreELEC on Raspberry Pi. The second method is by installing the NextCloud files on an existing Raspberry Pi OS. Go to the left menu, click on the users. However when I try to stream the videos on my Nvidia shield or iPhone there is constant video getting stuck especially after I forward the video to a later point. The idea is to have the media files hosted on the Raspberry Pi and then use the Oracle Cloud VM to host the. Step 3. During installation larger dependencies such mono may appear to stall or hang however they will eventually complete (noticable mainly on slower hardware as a Pi 3). Then it ahould show up in the pi. The plugin has been tested on Volumio 3 running on a Raspberry Pi 3b ( armhf architecture) and x86 PC ( x86_64 / amd64 architecture). DietPi Autostart - Defines software packages to start when the DietPi OS boots up. sh. Step 4. Checkout osmc or libreElec for the OS to install on the pi. Both the Raspberry Pi 2 and 3 had exactly the same amount of RAM, 1GB. You will need to authenticate yourself with Tailscale by using one of three. Then I ranRaspberry Pi 3B has some issues running servers. I am running it through a docker container and it runs quite well for being on a raspberry pi. Step 1: Determine Your Raspberry Pi's IP Address. Adding a User. Jellyfin, Sonarr, Radarr, Bazarr and Deluge On Raspberry Pi 4. SaltyLemmon • 10 mo. Yes it fully support HW encoding. You need the flag -a to add a group to a user without overwriting the others they're already in. Perfect to run on a Raspberry Pi or a local server. Good to keep the Raspberry PI from being overwhelmed. 3. In our recent comparison of Pi-Hole and AdGuard Home, we gave slight edge to AdGuard. In the dropdown box, click the “ Preferences ” option ( 2. Go to LibreELEC download page to download the LibreELEC USB-SD Creator app. cache/jellyfin/ Then I install it according to the docs, but it acts like its still the old server. As a workround you can try running jellyfin-mpv-shim on the desktop version of ubuntu 20. The other day I installed Jellyfin (a media server like Plex - but it is 100% open-source). Choose your Display Language, then click Next to choose a username and password for the admin account. However, you can run Jellyfin on any device that supports Docker (even something like a Raspberry Pi). In most cases, Jellyfin will tell kodi the path to the file and it will direct stream it in it's original quality, in which case the Pi is doing the majority of the work. cpl" and hit Enter. I installed the docker container on a Raspberry Pi by running docker pull jellyfin/jellyfin. For the sake of clarity, it should be emphasized that XDG compliant defaults for config, data and transient cached data are most relevant to a user running a personal server instance as that user, whether from a local directory extracted from an archive, or eventually in the form of something like snaps or flatpaks (installed at the system level. Within the “Preferences” menu, we need to change to the “ Web UI ” tab by clicking the icon in the left sidebar ( 1. Available for free at home-assistant. From the left-hand menu click on “ Stacks “. When installation is finished, we can check version of FFmpeg: 1. It now also supports Wayland through dmabuf. After a few minutes, your system is up-to-date and will be ready to install Docker on it. In the “ Name ” field enter “ jellyfin “. Raspberry Pi Imager [Formatted SD card, just in case left over data?] Once format was complete chosen to install "Raspberry Pi OS (32-bit) [Recommended choice that was listed] After installation and boot up. TL;DR: NO. Note the command ( restart) and the service name are inverted. ago. Done Building dependency tree Reading state information. sudo usermod -aG video jellyfin. It is a powerful device that can run various applications and operating systems. We’ll now learn how to do this in detail. For my TV series etc it never seemed bad, I assume mine are pure streaming (not my area of knowledge but know just enough to not always know) and for. What is the best operating system to run jellyfin on my raspberry pi? 3. io. Also, this will probably not provide any output but does indicate success or failure via the exit status ( echo $?; anything other than 0 means fail). Configure a DNS record to point to your home IP. I'm running the latest stable version of Jellyfin on a Raspberry Pi 4 with the latest version of Raspbian Buster Lite. Jellyfin is a. I hope there is a solution, otherwise I will be forced to uninstall and just go with Plex, even though I like Jellyfin’s UI better. To access your Jellyfin server, you'll first need to know the IP address of your Raspberry Pi within your local network. Once it’s downloaded, open up a terminal window and go to the download destination folder. This is the best media server for home & can be build by yourself. Nice, I have a corona virus forced project now ;) The Pi 4 is certainly capable enough. Setting up Sonarr, Radarr, etc. Create persistent storage for configuration and cache data. Opened IP:8096 on a windows 10 computer. The encoding works great on h264 files, even with passive cooling, but for some reason I can't play MPEG4. But then i couldn't find a way to just delete the main hosted folder so i could Try adding the folders a different way. Would something like installing OpenMax on the Raspberry Pi to make it a google cast target work well?Restart from Step 2. Testing with multiple users is pending. JellyFin: bare metal install with hardware encoding/decoding via the official NVidia drivers. NET officially not being compatible with these platforms. also remove the repository from /etc/apt/sources. Be sure to change all the file paths to the absolute paths you saved to a text file in step 1. . 147GHz (I have active cooling so not a problem) Moving transcoding folder off of the Pi's SD card and onto the external HDD with the video files. Others will correct me if I'm wrong, but the jellyfin docs for hardware acceleration make no mention of raspberry pi. Looks like it's not a performance issue. 5 and it works like nothing happened. (2023-07-04, 07:36 PM) Zyperspace Wrote: - Running Jellyfin 10. Done The following extra packages will be installed: libapt-pkg4. Edit: you should also modify your fstab so it will auto mount. Ok, I understand. Everytime I try to select the. Jellyfin Addon. All you need to do is run the following command to return the “ /proc/swaps ” file’s contents. caution FreeBSD and its derivatives, such as TrueNAS CORE , are NOT supported by Jellyfin due to . I don't see anything anywhere that indicates that the web client is now a standalone application. What You'll Need for a Jellyfin Server on the Raspberry Pi. Both machines spend alot of time running "ffpmeg -analyseduration" when I start playing back a 1 GB mkv or mp4 file.