# Monitoring process of ffmpeg in processing

**URL:** <https://discourse.processing.org/t/monitoring-process-of-ffmpeg-in-processing/17950>\
**Category:** Coding Questions\
**Created:** [February 20, 2020, 9:08am UTC](https://discourse.processing.org/t/monitoring-process-of-ffmpeg-in-processing/17950 "2020-02-20T09:08:13Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![jeremydouglass](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/jeremydouglass/32/20_2.png) [@jeremydouglass](https://discourse.processing.org/u/jeremydouglass)\
**Post date:** [February 23, 2020, 4:51am UTC](https://discourse.processing.org/t/monitoring-process-of-ffmpeg-in-processing/17950/4 "2020-02-23T04:51:28Z")

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One pattern is logging. Have your process (ffmpeg, whatever) write and flush to a log file. Have your Processing sketch periodically check the file and react accordingly.

What does the ffmpeg output look like, and how are you using it? Is this a progress bar, or are you parsing output messages…?

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