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[Gale <1076928@xxxxxxxxxxxxxxxxxx>]

(In reply to comment #3)
Gale wrote:
>  --disable-dynamic-loading still fails to compile on Ubuntu 13.10 against 
> self-compiled FFmpeg 2.2.2 (even on fresh Audacity checkout). 
That is, it fails with --disable-dynamic-loading the only argument, so using
FFMPEG="system".   

Configuring with --disable-dynamic-loading and --with-lib-preference="local"
(i.e. with "FFMPEG=local") does build, but the Libraries Preferences are not
disabled.

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https://bugs.launchpad.net/bugs/1076928

Title:
  FTBFS with libav9

Status in Audacity:
  Confirmed
Status in “audacity” package in Ubuntu:
  Fix Released
Status in “audacity” source package in Trusty:
  Fix Released
Status in “audacity” package in Debian:
  Fix Released
Status in “audacity” package in Gentoo Linux:
  Won't Fix

Bug description:
  Imported from Debian bug http://bugs.debian.org/692809:

  Audacity currently FTBFS with libav 9:

  [Impact]
  Without libav support, you cannot import/export various audio file types (.ac3, .wma, .m4a, .opus, ...). Previous Ubuntu releases had libav support enabled.

  [Testcase]
  1) Create an .ac3 and/or .wma audio file.
  2) Open Audacity
  3) Select File -> Open -> Open the .ac3/.wma file.

  Audacity should open the .ac3 and .wma file instead of showing an
  error that Audacity does not support this file type.

  [Regression Potential]
  The patch re-introduces libav support again. Major changes in the FFmpeg module were needed to support libav 9 and newer. There could be (new) bugs in the libav import/export due to these changes. Because no other files were touched, there shouldn't be regressions in other parts of the program.

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