ffmpeg Documentation
1 Synopsis ffmpeg [global_options] {[input_file_options] -i input_url} ... {[output_file_options] output_url} ... 2 Description ffmpeg is a universal media converter. It can read a wide variety of inputs - including live grabbing/recording devices - filter, and transcode them into a plethora of output formats. ffmpeg reads from an arbitrary number of input "files" (which can be regular files, pipe
High quality GIF with FFmpeg
About two years ago, I tried to improve the support of the GIF encoding in FFmpeg to make it at least decent. This notably led to the addition of the transparency mechanism in the GIF encoder. While this is not always optimal depending on your source, it is in the most common cases. Still, this was merely an attempt to prevent shaming the encoder too much. But recently at Stupeflix, we needed a wa
robert.swain » iPod video guide
stuff about me, what i do and some other hopefully useful stuff Encoding videos suitable for iPods Thanks to “cartman” on the FreeNode IRC network for testing and providing information for this guide. The “new” higher resolution capability of the iPod video uses something Apple have dubbed a “Low Complexity” version of the Baseline Profile of H.264. Thankfully someone discovered what this meant. (
PSP video guide | robert.swain
stuff about me, what i do and some other hopefully useful stuff Encoding videos suitable for PSPs Updated: The following has been tested by users who provided feedback in the comments. It should work with newer (>= 6.20) firmwares. I find Sony very frustrating for not publishing information on what video formats are supported by the PSP, it seems to me that they’re only hurting themselves, unless
FFmpeg x264 encoding guide « robert.swain
stuff about me, what i do and some other hopefully useful stuff Preset files are available from the FFmpeg source code in the ffpresets subdirectory. You can either copy *.ffpreset from that directory into ~/.ffmpeg/ or you can point to a preset file directly in the argument of -vpre in your command line. Skip to the examples. Basic FFmpeg Usage To construct an ffmpeg command line, you need to und
How to Write a Video Player in Less Than 1000 Lines
An ffmpeg and SDL Tutorialor How to Write a Video Player in Less Than 1000 Lines UPDATE: This tutorial is up to date as of February 2015. ffmpeg is a wonderful library for creating video applications or even general purpose utilities. ffmpeg takes care of all the hard work of video processing by doing all the decoding, encoding, muxing and demuxing for you. This can make media applications much si
Using libavformat and libavcodec
Martin Böhme (boehme@inb.uni-luebeckREMOVETHIS.de) February 18, 2004 Update (July 22 2004): I discovered that the code I originally presented contained a memory leak (av_free_packet() wasn't being called). My apologies - I've updated the demo program and the code in the article to eliminate the leak. Update (July 21 2004): There's a new prerelease of ffmpeg (0.4.9-pre1). I describe the changes to
ffmpeg Documentation
1 Synopsis ffmpeg [global_options] {[input_file_options] -i input_url} ... {[output_file_options] output_url} ... 2 Description ffmpeg is a universal media converter. It can read a wide variety of inputs - including live grabbing/recording devices - filter, and transcode them into a plethora of output formats. ffmpeg reads from an arbitrary number of input "files" (which can be regular files, pipe
General Documentation
1 External libraries FFmpeg can be hooked up with a number of external libraries to add support for more formats. None of them are used by default, their use has to be explicitly requested by passing the appropriate flags to ./configure. 1.1 Alliance for Open Media (AOM) FFmpeg can make use of the AOM library for AV1 decoding and encoding. Go to http://aomedia.org/ and follow the instructions for
FFmpeg
Converting video and audio has never been so easy. $ ffmpeg -i input.mp4 output.avi News January 3rd, 2024, native VVC decoder The libavcodec library now contains a native VVC (Versatile Video Coding) decoder, supporting a large subset of the codec's features. Further optimizations and support for more features are coming soon. The code was written by Nuo Mi, Xu Mu, Frank Plowman, Shaun Loo, and W
FFmpeg FAQ
1 General Questions 1.1 Why doesn’t FFmpeg support feature [xyz]? Because no one has taken on that task yet. FFmpeg development is driven by the tasks that are important to the individual developers. If there is a feature that is important to you, the best way to get it implemented is to undertake the task yourself or sponsor a developer. 1.2 FFmpeg does not support codec XXX. Can you include a Wi
【コラム】OS X ハッキング! (130) OS XでPSPを愉しむ - 動画準備編 | パソコン | マイコミジャーナル
ここ横浜では折からの風に煽られ、せっかくの桜もハラハラと散ってしまいました。これで花見に行こうという衝動を抑え、原稿に専念できそうです。しかし、"虎"の出現が近いという噂もチラホラ。気持ちは散り散りです。 さて、今回はプレイステーション・ポータブル(以下、PSP)をOS Xで使おう、というお題。昨年12月の発売以来話題沸騰、一時期は入手困難になったほどのデバイスなだけに、秘めたる実力は相当のもの。なにより、大容量メモリカードを利用すればMP3は言うに及ばず動画の再生もOK、ということがうれしい。それでは早速、OS XでPSPを使うときの基本ルールから解説を始めよう。 OS XでPSPを使う"お約束" OS XでPSPのデータを扱う方法は、USBケーブルで接続する方法と、メモリカード(メモリースティックデュオ)をカードリーダでマウントする方法の2通りが用意されている。なお、PSPには無線LA
高反発マットレスの選び方 | アフィブログに騙されない為の高反発マットレス手記
ウレタン系高反発マットレスでよく言及されるのが密度です。それを頑張って分かりやすく説明してみます。
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Using ffmpeg to cut up video
Web video encoding tutorial with FFmpeg 0.9 : Nothing here
FFmpeg codec HOWTO - MultimediaWiki