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+---
+permalink: "/posts/{{categories}}/{{slug}}"
+title: The Best Way to Transfer GoPro Files with Linux
+categories:
+  - technology
+tags:
+  - gopro
+  - camera
+  - video
+  - download
+  - linux
+  - wireless
+published_date: "2019-07-04 21:54:49 +0000"
+layout: post.liquid
+is_draft: false
+excerpt_separator: "\n\n\n"
+---
+
+Transferring files off of most cameras to a Linux computer isn't all that
+difficult. The exception is my GoPro Hero 4 Black. For 4th of July week I took
+a bunch of video with the GoPro, approximately 20 MP4 files, about 3GB each.
+The annoying thing about the GoPro's USB interface is you need additional
+software to download everything through the cable. The camera doesn't just show
+up as a USB filesystem that you can mount. The GoPro does have a micro-SD card
+but I was away from home and didn't have any dongles or adapters. Both of these
+solutions also mean taking the camera out of its waterproof case and off of its
+mount. So here's what I did.
+
+GoPro cameras, after the Hero 3, can open up an ad-hoc wireless network that
+lets you browse the GoPro's onboard files through an HTTP server. This means
+you can open your browser and scroll through the files on the camera at an
+intranet address, `10.5.5.9`, and download them one by one by clicking every
+link on every page. If you have a lot of footage on there it kinda sucks. So, I
+opened up the manual for `wget`. I'm sure you could get really fancy with some
+of the options but the only thing I cared about was downloading every single
+MP4 video off of the camera, automatically. I did not want to download any of
+the small video formats or actual HTML files. Here's what I used:
+
+```sh
+wget --recursive --accept "*.MP4" http://10.5.5.9:8080/
+```
+
+This tells `wget` to download all of the files at the GoPro's address
+recursively and skips any that don't have the MP4 extension.  Now I've got a
+directory tree with all of my videos in it. And the best part is I didn't have
+to install the dinky GoPro app on my laptop. Hopefully this helps if you're
+looking for an easy way to migrate lots of footage without manually clicking
+through the web interface or installing additional software. The only downside
+is if you're moving a whole lot of footage, it's not nearly as quick as just
+moving files off the SD card. So I'd shoot for using the adapter to read off
+the card first and only use this if that's not an option, such as when the
+camera is mounted and you don't want to move it.
+
+Some things I would like to change/add:
+
+- Download all image files as well; should be easy, just another `--accept`
+- Initiate parallel downloads
+- Clean up the directory afterwards so I just have one level of depth
+
+I could probably write a quick and dirty shell script to do all of this for me
+but I use the camera so infrequently that it's probably not even worth it.
+
+
+