ffmpeg.wasmffmpeg.wasm is a pure WebAssembly / JavaScript port of FFmpeg enabling video & audio record, convert and stream right inside browsers! Data Securityffmpeg.wasm runs only inside your browser, data security is gaurantee as no data is sent to remote server. Powered by WebAssemblyffmpeg.wasm transpiles ffmpeg source code to WebAssembly code using Emscripten to achieve optimal performance.
README.md 概要 Optunaというハイパーパラメータ最適化ツールを使って、FFmpegでの動画エンコードパラメータの最適化を試してみた結果のメモ 具体的には、決められた制約(後述)下で、画質(SSIM)を最大化するようなパラメータ群を自動で見つけ出すのが目的 結果としては、 画質的には、FFmpegが提供しているプリセットの中で二番目に重いもの(slower)より若干良い程度のパラメータ群が見つかった また、Optunaが見つけたパラメータ群の方がslowerに比べて、CPU負荷が小さかった 方針 時間と計算資源はそこそこ潤沢にあるものと仮定し、その中で「各動画のエンコード」を最適化したいとする 各動画毎に、最適なエンコードパラメータ群を都度決定するようなユースケース 動画の種類毎(e.g., スポーツ、アニメ、ニュース、実況、3D)にパラメータを分けたい、的なものの発展形 問題
$ youtube-dl -F https://www.youtube.com/watch?v=hogehoge [youtube] hoge: Downloading webpage [youtube] hoge: Downloading video info webpage [youtube] hoge: Extracting video information [youtube] hoge: Downloading MPD manifest [info] Available formats for hoge: format code extension resolution note 139 m4a audio only DASH audio 49k , m4a_dash container, mp4a.40.5@ 48k (22050Hz) 249 webm audio only
Highest quality Gifski makes smooth GIF animations using advanced techniques that work around the GIF format's limitations. Share your clips in their full quality, not a bland dithered mess. Good compression Gifski lets you resize animations and tweak compression levels, so you can make your GIFs fit within upload file size limits. It's more advanced than a simple color reduction. State of the art
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
Hand-crafted with and 100% FREE and open-source! Free & open-source forever (GPL version 3.0) OpenShot is incredibly amazingly wonderfully fantastically simple and powerful! We designed OpenShot Video Editor to be an easy to use, quick to learn, and surprisingly powerful video editor. Take a quick look at some of our most popular features and capabilities.
Best Video Converter for Windows Introducing my·FFmpeg 5 Video Converter A Comprehensive Media Tool for Windows my·FFmpeg with FFmpeg A powerful FFmpeg GUI to convert high quality movies and more.. Focused on simplicity, my·FFmpeg brings a fresh approach to using the optional FFmpeg, to create ultra high quality movies without the need to write any single command-line code. Making it the best vide
Converting video and audio has never been so easy. $ ffmpeg -i input.mp4 output.avi News April 5th, 2024, FFmpeg 7.0 "Dijkstra" A new major release, FFmpeg 7.0 "Dijkstra", is now available for download. The most noteworthy changes for most users are a native VVC decoder (currently experimental, until more fuzzing is done), IAMF support, or a multi-threaded ffmpeg CLI tool. This release is not back
A visualization of the use of color in movies. Explore and shop for posters of the colors of your favorite movies.
TSAC: Very Low Bitrate Audio Compression. ts_zip: a practical text compression utility using a large language model. TextSynth Server is a web server proposing a REST API to large language models. They can be used for example for text completion, question answering, classification, chat, translation, image generation. NNCP (lossless data compressor) is now leading the Large Text Compression Benchm
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