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authorZhiming Wang <zmwangx@gmail.com>2014-10-25 10:39:28 -0700
committerZhiming Wang <zmwangx@gmail.com>2014-10-25 10:39:28 -0700
commit7c71e4421a199e2c3608533c6aaf2821b0ac03a5 (patch)
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parentbfd754423345d9637f8771bd5bdeb7ed2361f979 (diff)
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update "Ripping Copy-protected DVD With Mpv"
Also updated the style of blockquote.
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--- a/source/_posts/2014-10-23-ripping-copy-protected-dvd-with-mpv.md
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@@ -5,6 +5,20 @@ date: 2014-10-23 20:03:22 -0700
comments: true
categories: [video, ffmpeg, mpv, mplayer, dvd, transcoding, copyright, drm]
---
+**_10/25/2014 update:_**
+
+I'm such an idiot. `vobcopy` is the real, hassel-free way to go.
+
+ brew install vobcopy
+
+Then, with the DVD mounted,
+
+> **vobcopy** without any options will copy the title with the most chapters into files of 2GB size into the current working directory.
+
+Of course there are a ton of options, but I generally hate to browse through options unless I have to, so I'm happy with calling without argument.
+
+---
+
Yesterday I was trying to rip a music video off a newly released DVD from Japan. I knew very little about how DRM (in this case, CSS) actually works and how to break it. I tried to operate directly on the VOB file with `ffmpeg` or `mpv` but both failed with a lot of header errors — I suppose more files than the VOB are required for authentication? Whatever, maybe I’ll learn the details in the future, but I don’t see the need since DVD is an outdated technology anyway.
So, can we proceed from here? Most certainly. I noticed that although `mpv` won’t let me play a single VOB, I can simply hand it the DVD mount point, and it will play the whole DVD seamlessly. **Caution:** `mpv` needs to be compiled with `libdvdnav` and `libdvdread`! With brew you just do