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Christopher Chedeau - Video Editing in the Browser, React Summit 2023
Discover how WebCodecs and Wasm enable fast and efficient video editing in the browser, including decoding, encoding, and compression techniques to reduce file size and improve performance.
- Video editing in the browser is possible with WebCodecs.
- Wasm is faster than JavaScript for video decoding.
- Video encoding and decoding can be done in the browser.
- WebCodecs provide a video decoder with a bunch of functionalities.
- Image compression techniques can be used to reduce the size of images.
- Run length encoding (RLE) and Huffman encoding are two building blocks of image compression.
- Continuous functions can be broken down into sinusoidal functions.
- Predictive encoding and delta encoding can be used to compress images.
- WebCodecs need to be implemented in a way that is easy to use and provides good performance.
- Demuxing is the process of separating a video file into individual frames.
- Video codecs, like H.264 and AVC, are used to compress video data.
- Bi-directional frames (B frames) are used to reduce the amount of data needed to encode video.
- Stateful APIs are necessary for encoding and decoding video.
- Image compression techniques, like JPEG and WebP, can be used to reduce the size of images.
- Machine learning and AI can be used to improve video editing and compression.