![]() ![]() We made Audio Hijack Pro ask dyld, the dynamic linker for Mac OS X which loads all code, to notify it whenever a library was loaded. We investigated, and fortunately, the workaround at the time was simple enough. Problems occurred when things our code expected to be there (like the important-for-audio-capture CoreAudio library) weren’t loaded. Unfortunately, this non-standard behavior confused our audio capturing code. This causes the library-loading order in Skype to be rather odd libraries would appear to load at launch, but not be truly loaded until later in the launch process. In short, the program seen on disk is not the program which actually runs. Specifically, the actual binary file in Skype.app/Contents/MacOS/Skype is encoded, and only decodes itself at runtime by rewriting itself as it runs. The executable code for Skype 5 is strange, due to some incredibly non-standard code obfuscation measures they’ve put in place. To figure out what was happening, we actually had to look back to January of 2011, when version 5 of Skype first shipped. ![]() Our audio capture code is very robust, so minor updates to Mac OS X almost never have any impact at all. The only difference was Mac OS X 10.7.3 itself. The problem was quite bizarre, as our applications hadn’t changed at all, and neither had Skype. We know many users depend on these two apps to record Skype, including hundreds of podcasters, so we set to work on getting this fixed right away. Get that set, then read on for more information. Download the latest Audio Hijack Pro from our site, or the latest Piezo from us or from the Mac App Store. However, Piezo users and Audio Hijack Pro users who hadn’t installed that optional component were left unable to record Skype.įirst, let me say that we’ve already resolved the problem. Using the Instant On extra, Audio Hijack Pro was still able to capture and record from Skype. Mac OS X 10.7.3 broke the ability of these applications to launch Skype and record its audio. Last week, we had an issue with Skype and our two audio recording applications, Audio Hijack Pro and Piezo. Posted By Paul Kafasis on February 8th, 2012 ![]()
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