mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
65 lines
3.1 KiB
Plaintext
65 lines
3.1 KiB
Plaintext
┌────────────────────────────────────────┐
|
|
│ 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
|