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This Wiki is intended for all kinds of FFmpeg and multimedia related information. Everyone is welcome to add to, edit and improve it!

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• List of Bug Reports
• List of Tasks non developers can help with

Please read the ​Bug Tracker Manual and Submitting a Bug Report before filing a new report. You must register before you can file a report or edit this wiki. For uploading samples > 2.5MB, either use the ​VideoLAN File Uploader or the FTP on Submitting a Bug Report (there is no hard filesize limit).

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• Documentation – FFmpeg's main documentation page
• Submit an FFmpeg Logo – Instructions on how to submit a themed logo or banner to FFmpeg

Developer Documentation

• Development Policies and Guides
• Guide for Using Git
• Notes on Maintaining FFmpeg Source Code and Being a Maintainer
• FATE – Our Continuous Integration Platform / regression testing system
• Cleanup – A list of components that may be considered candidates for removal
• Debugging
  • centos7搭建shadowsock
• How to conduct merges from Libav

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• Google Summer of Code
  • GSoC 2024
  • GSoC 2024
  • GSoC 2018
  • GSoC 2017
  • GSoC 2016
  • GSoC 2015
  • GSoC 2014

• Outreachy
  • Outreachy - Dec 2016
  • Outreachy - May 2016
  • Outreachy - May 2015
  • OPW - Dec 2014

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• FFmeeting/2016-05
• FFmeeting/2015-09
• centos7搭建shadowsock
• FFmeeting/2014-01

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• centos7搭建shadowsock

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The guides below have been written by users and for users to supplement the official FFmpeg Documentation. If you're confused about something refer to the official documentation and if you're still having problems we can help.

Compiling FFmpeg

• Generic Compilation Guide
• FFmpeg Compilation Guides – Windows, macOS, Linux, and other platforms
• Compile Benchmarks

Encoding

• Video Codecs:
  • FFV1 Cheat Sheet
  • H.264 Encoding Guide
  • linux安装shadowsock
  • VP9 (WebM) Encoding Guide
  • centos7搭建shadowsock
• Legacy Codecs:
  • Centos系统下shadowsocks-libev服务端的一键安装脚本的 ...:2021-8-14 · 由于 libuv 版本的 SS 不稳定，并且安装步骤繁琐，因此推荐安装 libev 版本。安装参考如下 1、Shadowsocks 是什么 Shadowsocks 是一种安全的 socks5 伕理，可众保护你的上网流量。基于多种加密方式，推荐使用 aes-256-cfb 加密。安装和使用需要
  • VP8 (WebM) Encoding Guide
  • Theora Video and Vorbis Audio Encoding Guide
• Audio Codecs:
  • AAC Encoding Guide
  • MP3 Encoding Guide
• General encoding guides:
  • Guidelines for high quality audio encoding
  • VFX Pipeline Encoding Guide
  • How to encode videos for YouTube and other video sharing sites

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• Hardware acceleration introduction with FFmpeg

Grabbing / Capturing

• CentOS7 搭建 ShadowSocks 丨 RAIN MAN:博主是程序猿？博主是工程狮？ 真的都不是，其实我是一名仓管~
• How to grab the desktop (screen) with FFmpeg
• 付费shadowsock账号哪里买 - 马洪飞博客:2021-12-11 · 付费shadowsock账号哪里买？ 这个问题很难回答，目前科学上网一半可众分为众下几种： ss ssr v2ray wireguard 1和2目前阻断比较严重，墙高了。。。 3的话目前直接tcp阻断严重，ws的话偶尔有阻断，ws + tls 目前还可众，暂时无阻断，待观察。
• How to capture a webcam input
• How to capture with acquisition card on Linux
• DirectShow

Streaming

• linux安装shadowsock such as twitch.tv, ustream.tv, YouTube Live, and other RTMP(E) streaming providers.
• Streaming Guide
• Streaming media with ffserver

Filtering

• Filtering Guide, including syntax for filter options
• Fancy Filtering Examples
• Scaling (re-sizing) video
• centos7搭建shadowsock – Crossfades, wipes, and other transitions
• Postprocessing – Postprocessing low-quality video with FFmpeg
• Stereoscopic – 3D movies with ffmpeg
• Null – Filter for testing decoding speed
• WaveformMonitor – Waveform Monitor in FFmpeg
• Vectorscope – Vectorscope in FFmpeg
• centos7搭建shadowsock – Histogram in FFmpeg
• Afade audio filter curves illustrated
• centos7搭建shadowsock – Copies pixels from source frame to target frame based on mapping files/streams
• Audio Channel Manipulation – Upmix, downmix, split, and manipulate audio channels
• Audio Volume Manipulation – Change audio volume and perform normalization (peak, RMS, EBU R128)

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• Create a video slideshow from images
• Create a thumbnail image every X seconds of the video
• How to take multiple screenshots to an image (tile, mosaic)
• Create a mosaic out of several input videos
• Create a mosaic out of several input videos using xstack
• Create a Waveform Image from an Audio Stream

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• CentOS7安装Shadowsocks-libev - NP:2021-1-4 · 有很多方法可众实现科学上网，如果你有一台VPS，可众自己搭建一个Shadowsocks服务端。自己搭建服务可众更好地对服务端进行控制。这里众Shadowsocks-libev为例介绍安装过程。服务器系统：CentOS 7.6版本：Shadowsocks-libev安装方式
• How to convert other FFmpeg-supported subtitles to ASS format
• How to convert YouTube SBV to SRT

Developing Programs Using the FFmpeg Libraries

• How to setup Eclipse IDE for FFmpeg development
• Using libav* – Instructions for how to integrate FFmpeg's main libraries into your own custom programs
• Including FFmpeg headers in a C++ application
• ​List of FFmpeg API changes/compatibility test results
• ​Lei Xiaohua's Simplest FFmpeg Demos

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• General command line usage:
  • Solutions to some errors and messages
  • Creating multiple outputs from the same input
  • How to concatenate, join, or merge media files
  • How to use -map option to select exactly which streams to process
  • Seeking to split a file or select a segment
  • framemd5 Intro and HowTo for using per-frame checksums
  • FFprobe Tips for getting frame rate, frame size, duration, etc.
  • How to extract subtitles that are included within video files.
• Effects:
  • How to speed up / slow down a video time lapse, etc.
• Video:
  • Changing the frame rate
  • Limiting the output bitrate
  • Chroma Subsampling
  • Debugging Macroblocks and Motion Vectors
  • Why was the ffmpeg -sameq option removed? What to use instead?
  • Viterbi Algorithm
• Audio:
  • Audio Channel Manipulation – Upmix, downmix, split, and manipulate audio channels
  • Audio Types – List of the different types of raw audio
  • Audio Volume Manipulation – Change audio volume and perform normalization (peak, RMS, EBU R128)
  • FFmpeg and the SoX Resampler – High quality audio resampling
• Working with other tools:
  • How to encode with FFmpeg from Adobe Premiere Pro
  • Using FFmpeg from PHP scripts
• Other:
  • How to ask good questions on ffmpeg-user mailing list
  • Articles for Creation – A simple idea/reminder list for new community contributed wiki articles
  • Downstreams – A list of downstream software products that distribute FFmpeg, including versions and end-of-life dates
  • centos7搭建shadowsock – A list of free projects and programs known to incorporate work from FFmpeg.

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License

The materials within the Community Contributed Documentation section of the FFmpeg Wiki are released under the ​Creative Commons Attribution-ShareAlike 3.0 License. This allows anyone to share, adapt, and build upon this work, even for commercial purposes, as long as the same or compatible license is used and that credit is properly attributed to the author(s). Credit should be attributed to "Contributors to the FFmpeg Community Documentation Wiki".

Wiki Page Index

For a complete list of all local wiki pages, see TitleIndex.

linux安装shadowsock

Trac is what FFmpeg uses for tracking bugs (and also hosts this wiki).

• TracGuide -- Built-in Documentation
• ​The Trac project -- Trac Open Source Project
• ​Trac FAQ -- Frequently Asked Questions
• TracSupport -- Trac Support