Audacity Forum

Hi, I've re-uploaded the package to PPA, built with the default ffmpeg in 15.04 repository. And the ffmpeg export seems work for me Thank you, I can confirm FFmpeg export and import appears to work for the three formats included (AAC, AC3 and WMA). I added ...

Hi, I've re-uploaded the package to PPA, built with the default ffmpeg in 15.04 repository. And the ffmpeg export seems work for me

... in the extension to download as MP3 because it is a lossy conversion, not the original file. When you have the downloaded video file, you can add FFmpeg to your computer: http://manual.audacityteam.org/o/man/faq_installation_and_plug_ins.html#ffdown . Then you can import the video file into Audacity ...

I understand, only mentioned here as the ppa maintainer said to do so...
As far as libav10, no idea as it is security flawed & not really in use, at least in Ubuntu & probably Debian also.
I'll send the info to ppa maintainer via launchpad mail...

The 2.1 ppa builds from here fail on ffmpeg exports with a "FFmpeg:Error - Failed to write audio frame to file" This occurs on both 14.10 & 15.04 which use libav11. The 14.04 which uses libav9 is ok. https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/audacity ...

... be able to import M4A files using the QuickTime library. Unfortunately that is broken in the current version of Audacity, however, if you install FFmpeg then Audacity is able to use that to import M4A files. See here for how to install FFmpeg: http://manual.audacityteam.org/o/man/faq_installation_and_plug_ins.html#macff

It appears to be just a libav11 issue. Rebuilding using ffmpeg shared (2.6.2 here) & the export works fine.
So the ppa could test switching to ffmpeg in 15.04 build, 14.10 is almost EOL so wouldn't bother with it, ie
libavcodec-ffmpeg-dev,
libavformat-ffmpeg-dev,
libavutil-ffmpeg-dev,

The 2.1 ppa builds from here fail on ffmpeg exports with a "FFmpeg:Error - Failed to write audio frame to file" This occurs on both 14.10 & 15.04 which use libav11. The 14.04 which uses libav9 is ok. https://launchpad.net/~ubuntuhandbook1/+archive/ubuntu/audacity ...

... believe is the latest version. I got this from the log but I do not know when it was generated. 17:09:01: Audacity 2.1.0 17:09:01: Trying to load FFmpeg libraries... 17:09:01: Trying to load FFmpeg libraries from default path, '/Library/Application Support/audacity/libs/libavformat.55.dylib'. ...

... believe is the latest version. I got this from the log but I do not know when it was generated. 17:09:01: Audacity 2.1.0 17:09:01: Trying to load FFmpeg libraries... 17:09:01: Trying to load FFmpeg libraries from default path, '/Library/Application Support/audacity/libs/libavformat.55.dylib'. ...