Error: Muxer does not support non seekable output Is there a progress or onFrameEmitted eventĬurrently, no. It might be implemented in the library in the future, though. įAQ How to get video duration and other stats

If you'd like to specify the same argument multiple times you can do so by providing an array of values. Object of options which you normally pass to the ffmpeg command in the terminal.ĭocumentation for individual options can be found at ffmpeg site in audio and video category.įor boolean options specify true or false. Returns a Promise which resolves on normal exit or kill, but rejects on ffmpeg error. Or createBufferedOutputStream when also a magic option buffer is set to true. This is the same as createOutputFromFile when the file is specified, Method output(file?: string, options: Options): stream.Readable | undefinedĭEPRECATED! Use one of the 3 output methods above. Or createBufferedInputStream when also a magic option buffer is set to true. This is the same as createInputFromFile when the file is specified, Method input(file?: string, options: Options): stream.Writable | undefinedĭEPRECATED! Use one of 3 input methods above. Then it returns a readable stream attached to that file.

This is a mix of createOutputStream and createOutputToFile. Method createBufferedOutputStream(options: Options): stream.Readable This is the same as specifying an output on the command line. Method createOutputToFile(file: string, options: Options): voidĭefines an ffmpeg output using specified path. The returned stream is a readable stream. Remember to specify the f option, which specifies the format of the output data. Method createOutputStream(options: Options): stream.Readable Using this method will cause a huge delay. Then it returns a writable stream attached to that file. It creates a temporary file and instructs ffmpeg to use it, This is a mix of createInputStream and createInputFromFile. Method createBufferedInputStream(options: Options): stream.Writable This is the same as specifying an input on the command line.

Method createInputFromFile(file: string, options: Options): voidĭefines an ffmpeg input using specified path. The returned stream is a writable stream. Remember to specify the f option, which specifies the format of the input data. Method createInputStream(options: Options): stream.Writable Creates a new instance of the ffmpeg converter class.Ĭonverting won't start until run() method is called.

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