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┌────────────────────────────────────────┐
│ 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
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