┌────────────────────────────────────────┐
 │ RELEASE NOTES for FFmpeg 2.4 "Fresnel" │
 └────────────────────────────────────────┘

   The FFmpeg Project proudly presents FFmpeg 2.4 "Fresnel", ...
   FFmpeg 2.4 is API-, but not ABI-compatible with the previous major release.
   This means that the code using our libraries needs to be rebuilt, but no
   source changes should be required.

   ┌────────────────────────────┐
   │ *  API Information         │
   └────────────────────────────┘

     FFmpeg 2.4 includes the following library versions:

       • libavutil      54.7.100
       • libavcodec     56.1.100
       • libavformat    56.4.101
       • libavdevice    56.0.100
       • libavfilter     5.1.100
       • libswscale      3.0.100
       • libswresample   1.1.100
       • libpostproc    53.0.100

     Please refer to the doc/APIChanges file for more information.

 ┌────────────────────────────┐
 │ ★  List of New Features    │
 └────────────────────────────┘

   ┌────────────────────────────┐
   │ libavformat                │
   └────────────────────────────┘

    • Icecast protocol
    • API for live metadata updates through event flags.

   ┌────────────────────────────┐
   │ libavfilter                │
   └────────────────────────────┘

    • ported lenscorrection filter from frei0r filter
    • large optimizations in dctdnoiz to make it usable
    • added codecview filter to visualize information exported by some codecs
    • added silenceremove filter

   ┌────────────────────────────┐
   │ libavutil                  │
   └────────────────────────────┘

    • added clip() function in eval

 ┌────────────────────────────┐
 │ ⚠  Behaviour changes       │
 └────────────────────────────┘

  • IMPORTANT: The new field mime_type was added to AVProbeData.
    To avoid crashes, make sure to always initialize AVProbeData, e.g. use
    'AVProbeData pd = { 0 };' instead of 'AVProbeData pd;'.
  • dctdnoiz filter now uses a block size of 8x8 instead of 16x16 by default
  • -vismv option is deprecated in favor of the codecview filter
  • libmodplug is now detected through pkg-config
  • HTML documentation generation through texi2html is deprecated in
    favor of makeinfo/texi2any