const ffmpeg = require('fluent-ffmpeg'); const axios = require('axios'); async function downloadAndProcess(url) const response = await axios( method: 'get', url: url, responseType: 'stream' ); ffmpeg(response.data) .format('mp4') .on('end', () => console.log('Processing finished')) .save('output.mp4'); Use code with caution. Implementation in Python
: Essential if the stream doesn't have a header FFmpeg can easily catch. For example, -f mpegts or -f mp4 . Implementation in Node.js
curl -L "https://example.com" | ffmpeg -i pipe:0 -c:v libx264 -f mp4 output.mp4 Use code with caution. Key Parameters : Tells FFmpeg to listen to stdin. inputstream ffmpeg direct download
If you are streaming an file, FFmpeg usually expects the metadata (moov atom) to be at the beginning. If the download stream puts it at the end, the process will fail.
If you have a tool that downloads data (like curl or wget ), you can pipe its output directly into FFmpeg. Using Curl Implementation in Node
Python’s subprocess module allows you to feed bytes into FFmpeg’s stdin manually.
Node.js is excellent for this because of its native Stream API. You can take a Readable stream from an HTTP request and pipe it into a fluent-ffmpeg command. javascript If the download stream puts it at the
When streaming, FFmpeg often cannot "seek" (jump back and forth). You must usually specify the input format using the -f flag so FFmpeg knows how to parse the incoming bytes. Basic Command Line Usage
FFmpeg uses a special syntax to signify that it should read from a standard input stream (stdin) rather than a file path. Use a hyphen - or pipe:0 as the input filename.