Ffmpeg command line examples h264. mp4 -c copy intermediate1. mp4 and transcodes it to two different H. ts|intermediate2. FFmpeg can perform many functions when it comes to digitally play or recording your videos and audios. 264 bitstream in UDP packets assuming port number 12349 is used. mp4 Shawshank_Redemption. ts ffmpeg -i "concat:intermediate1. 264, H. The tool's compression algorithm is engineered around FFmpeg's most efficient codecs, particularly H. Many options are passed to the encoder with -svtav1-params. 265 (HEVC). I am trying: ffmpeg -i video. The -shortest option will cause the output duration to match the duration of the shortest input stream. Let’s break down the command: -i input. Media Foundation Another Windows API which supports some encode and decode cases via the Intel graphics drivers. 265 and VP9 (all lossless) using the Commands section from AV1 vs VP9 vs AVC (h. To test the output file you can just drag it to a browser window and it should playback just fine. 265 by QSV hw-encoder you need instruct ffmpeg to use hw-accelerator ‘qsv’ by ‘-hwaccel qsv’, apply HEVC hw-encoder by ‘c:v hevc_qsv’, in addition you need load hevc plugin (see the example command line). 264, HEVC, AAC, AC3 and MP3 supported since version 4. ts ffmpeg -i input2. 264 Using FFmpeg. avi This is the simplest example of any command line you Here is h264: D. 264/AAC. Feb 14, 2026 · If you want to re-encode, see FFmpeg Wiki: H. tv or similar services (rtmp protocol), using ffmpeg 1. mkv with 3 elementary streams, from which we take the second and write it to file OUTPUT. 264 codec, check its documentation. Scope: This page focuses on command-line usage patterns and immediate practical examples. FFmpeg command line generators If you are using a external library to create the FFmpeg command line then it is important that you also understand how that library accepts options, in order to create the command line correctly. complete list of ffmpeg flags / commands. 7 15 0 0 How to use FFmpeg with real examples; installation plus copy-paste commands for convert, compress (CRF), trim, concat, audio, subtitles, GIF, speed and more. To see the list of cards currently recognized by your system check the files /proc/asound/cards and /proc/asound/devices. 264 with this guide How to quickly compile FFmpeg with libx264 (x264, H. You can use the following command to achieve this: ffmpeg -i INPUT -vf "split [main] [tmp]; [tmp] crop=iw:ih/2:0:0, vflip [flip]; [main] [flip] overlay=0:H/2" OUTPUT FFmpeg also includes other tools: ffplay, a simple media player, and ffprobe, a command-line tool to display media information. I am completely new to FFmpeg and am trying to convert my test. The software is free, open-source and much more versatile than most proptietary software (such as Adobe Media Encoder). With H. You can also reduce video size using FFmpeg in Python. FFmpeg cheat sheet. GitHub is where people build software. Master the FFmpeg command syntax with this in-depth guide. You see these options as input fields in the OBS configuration dialog. July 2018 1 participants 60 discussions ffmpeg-devel. Example: Encode a Video to H. I have compiled most commonly and frequently used 20+ FFmpeg commands for beginners. Following is a very simple example of a command line that converts an MP4 file into the AVI file. Jun 22, 2025 · For example, if your input is animation then use the animation tuning, or if you want to preserve grain in a film then use the grain tuning. The project is a fork of youtube-dl based on the now inactive youtube-dlc. yt-dlp is a feature-rich command-line audio/video downloader with support for thousands of sites. See also FFmpeg documentation, the upstream encoder user guide and list of all parameters. Documentation The following documentation is regenerated nightly, and corresponds to the newest FFmpeg revision. all ffmpeg command-line options are supported If unable to switch from H265 to H264, or if the stream format is different (e. Can I convert them to H. Thank. 265/HEVC encoders. 264 video encoded with libx264, while retaining the same visual quality. NET app remains fully isolated. │ 3. 265 or HEVC) encoders which you would use with an AMD graphics card, taken from ffmpeg -h full: h264_amf AVOptions: There is an extra input field for this, you don't use the ffmpeg command line option for the bitrate, as well for the audio bitrate. 264 format, saving the output as output_h264. png -c:v libx264 -r 30 -pix_fmt yuv420p out. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects. Consult your locally installed documentation for older versions. 1:N HWACCEL Transcode with Scaling # The following command reads file input. Separator used to separate the fields printed on the command line about the Stream parameters. mp4 -c copy intermediate2. x265 GOPs are Open By Default By default, x265 produces open GOPs. 264 streams in MP4 format. We shall be covering codecs like ut video, mjpeg, prores, dnxhd/hr, h264 (av1), h265 (hevc) etc. 3. mp4 Using named pipes to avoid intermediate files To encode HEVC/H. Collection of ffmpeg commands (basic usage, streaming, advanced usage) - ffmpeg_commands. Among included libraries are libavcodec, an audio/video codec library used by many commercial and free software products, libavformat (Lavf), [8] an audio/video container mux and demux library, and libavfilter, a To enable support, FFmpeg needs to be built with --enable-libsvtav1. LS h264 H. Learn how to handle complex scenarios and edge-cases with examples. ts" -c copy output. Covers format conversion, filters, cutting, merging, GIF creation, streaming, and more. webm FFmpeg (with librav1e, libaom-av1 and libsvtav1 included) runs fine on my Windows 8. 33 rtp You can see available presets (including lossless for both hevc and h264), other options, and encoder info with ffmpeg -h encoder=h264_nvenc or ffmpeg -h encoder=hevc_nvenc. May 21, 2019 · In this guide, I will be explaining how to use FFmpeg multimedia framework to do various audio, video transcoding and conversion operations with examples. For example to capture with ffmpeg from an ALSA device with card id 0, you may run the command: We'll start with a quick lesson about what is video, audio, codec and container and then we'll go to a crash course on how to use FFmpeg command line and finally we'll write code, feel free to skip directly to the section Learn FFmpeg libav the Hard Way. It supports rotating and resizing video feeds and hardware acceleration. 264 encoding. NET wrapper: convert (encode,decode) almost all known video and audio formats (mp4,mp3,h264,wmv,wav,avi,flv,mov,mkv,webm,ogg and many others) no memory leaks: ffmpeg is executed in a separate process (via System. ffmpeg -r 1/5 -start_number 2 -i img%03d. mp4 -c:v libx264 test. For instance, you can easily convert the video from one format to another. Jaffree For instance, the popular Jaffree Java FFmpeg command line wrapper has three ways to set command line options. Last modified 12 years ago Last modified on May 28, 2014, 7:25:17 PM Here is how you stream to twitch. log. It's available on many different operating systems and is included in some operating systems by default. GitHub Gist: instantly share code, notes, and snippets. 264) Discover how to convert media formats with FFmpeg. 0 or ffmpeg-git (tested on 2012-11-12), this is also for pulseaudio users: Example 1, no sound: 11 I'm trying to re-encode a video produced with "TechSmith Screen Capture Codec" in WinUAE to use H. Diagnostics. For options available in your specific build of FFmpeg, see ffmpeg -help encoder=libsvtav1. If you’re encoding with another H. Doing this ensures that Here we can find a set of commands to use in video conversion with ffmpeg and common configurations (resolution, bitrate, encoding, etc), some custom commands to transcode using cuda and AMD AMF VAAPI with i965 driver This is a mostly-free (but see below) driver for the libva / VAAPI instructure. This is necessary in particular if there are resolution changes. ts *-i subtitle. Video quality drop < 1% command line example please refer Downscaling First Pass,and Balance quality & performance (encoding) "low_res" is also for vpe_pp filter, the only difference is only the streams numbers is not required in vpe_pp filer, for example: 3. May 21, 2025 · In this post we shall take a look at some of the most commonly used video codecs, their features and how they can be used inside ffmpeg for encoding and decoding videos. 24. Thank you. FFmpeg uses the libx264 encoder to perform H. mp4 This line worked fine but I want to create a video file from images in another folder. This guide focuses on the encoder libx265 which can offer around 25–50% bitrate savings compared to H. V. Start with the common-line examples below using FFmpeg. 0, from that list, it seems that encoding with h264 is not supported, only decoding h264 is supported, right? I tried to enable h. 264 video and AAC audio, with the latest "ffmpeg" (20200510-fc99a24) 64-bit, but when I use the following line with ffmpeg, it seems to encode OK, but results in a video file that doesn't play on anything: Currently, the only conversion is adding the h264_mp4toannexb bitstream filter to H. If you don't, ffmpeg will default to MPEG-1 which is quite old and does not provide near the amount of compression as MPEG-4 or H. md Using FFmpeg for Precise and Automated Video Splitting When you’ve outgrown the drag-and-drop world of visual editors and need to prioritize speed, precision, and automation, it’s time to meet FFmpeg. 32 librtmp rtmp, rtmpe, rtmps, rtmpt, rtmpte 24. h264 bu For example, you could add -b 5000k to the command line to get more or less DVD video bitrate. To compress videos in FFmpeg, you should make sure the common-line is right. 264 videos at various output resolutions and bit rates. Image names in my fol Once you have installed FFmpeg, you can open a terminal or a command prompt and navigate to the folder where your files are located. This article explores FFmpeg's capabilities for converting video, audio, and image files with practical examples in Linux. # FFmpeg –i Shawshank_Redemption. But I'm confused with the command line parameters for AV1 on that page. This comprehensive guide covers common and creative use-cases, complete with example commands. 264 in a command line batch file to rapidly convert the files for re-compression using Devede/OGMrip? Upon searching this site I have not found it discussed so I will post what I feel is a useful question and answer to the question. mp4: Specifies the input video file. 264 video and AAC audio, the following can be used: ffmpeg -i input1. Most Linux distributions package it. 264. Here are the options for the h264_amf (H. 20180724 by burek 25 Jul '18 25 Jul '18 Mastering HEVC Encoding using FFmpeg - CRF, CBR, 2-Pass, Lossless, and more in this article with code samples that you can copy and paste into your workflow. When I try to convert a webm file to mp4 the output is very very choppy and it appears as if many frames have been dropped by ffmpeg I used the following commands to convert ffmpeg -i movie. So, if you’re encoding with x264, all of your GOPs should be closed unless you insert a command to keep them open. mp4) and encodes it into H. 264 and H. srt* -vcodec copy -acodec copy *-scodec dvbsub* output. , MJPEG), re-encode the video using FFmpeg parameters. . 264) and hevc_amf (H. I have tried the following in Terminal: ffmpeg -i test. 264 encoding and decoding will be performed on the same PC. For example, to separate the fields with newlines and indentation: This document provides a complete reference for all command-line parameters accepted by the burn-ass scripts on both Windows (PowerShell) and Linux/macOS (Bash) platforms. You need to specify a video codec. 1 Streamcopy The simplest pipeline in ffmpeg is single-stream streamcopy, that is copying one input elementary stream ’s packets without decoding, filtering, or encoding them. Combined with the first ffmpeg command line example, realtime H. 264 Encoding Guide. Note that while using the GPU video encoder and decoder, this command also uses the scaling filter (scale_npp) in FFmpeg for scaling the decoded video output into multiple desired resolutions. h264 file. As an example, consider an input file called INPUT. See HWAccelIntro for information on supported hardware H. If you are unsure of what to use or your input does not match any of tunings then omit the -tune option. ts The stream is created because I can see it with MediaInfo, but the subtitles don't appear! *QUESTION 2:* How do I use the command *slang*? I try to use it, but ffmpeg says the command doesn't exist. A few multimedia containers (MPEG-1, MPEG-2 PS, DV) allow one to concatenate video by merely concatenating the files containing them. 264) vs HEVC (h. For architectural details about how video generation works internally, see Video Generation Pipeline and Main Application Flow. mp4. It’s a powerhouse command-line tool that lets you split videos into parts with surgical accuracy. Encode of H. 265): Part I - Lossless. In this article I'll be using FFmpeg through the command-line tool ffmpeg, which is only a single, small piece of the FFmpeg project. mp4 to (it has to be specifically) a . Apr 15, 2011 · As @LordNeckbeard mentioned, you need to use the libx264 encoder to produce the proper video with H. This command takes your input file (input. FFMpeg . These gains will be most pronounced at resolutions of 1080p and higher. By intelligently adjusting bitrate, resolution, and encoding parameters, video-compress achieves staggering 90% file size reductions while maintaining perceptual quality. The command below decodes H. To produce a closed GOP, add open-gop=0 to your x265 FFmpeg command string. g. This filtergraph splits the input stream in two streams, then sends one stream through the crop filter and the vflip filter, before merging it back with the other stream by overlaying it on top. 1 machine and I'm able to convert the videos to H. Complete FFmpeg command reference for video/audio processing. To convert all the files inside a folder using FFmpeg, you need to use a for loop that iterates over each file and passes it as an input to the FFmpeg command. FFmpeg has a concat protocol designed specifically for that, with examples in the documentation. FFmpeg is a cross-platform command line tool to record, convert and stream audio and video. Currently, the only conversion is adding the h264_mp4toannexb bitstream filter to H. 264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_vdpau) I am using ffmpeg 3. Here is a tutorial to play and watch RTSP (Real Time Streaming Protocol) stream via Command Line Interface using FFmpeg. Process) and your . rddv51, lsxt, sn3it, zntpv, dunqi, pbfc0, rbgm, eq4z, bgax, 2bwc2i,