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https://gitee.com/openharmony/third_party_ffmpeg
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65 lines
3.1 KiB
Plaintext
65 lines
3.1 KiB
Plaintext
┌────────────────────────────────────────┐
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│ RELEASE NOTES for FFmpeg 2.4 "Fresnel" │
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└────────────────────────────────────────┘
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The FFmpeg Project proudly presents FFmpeg 2.4 "Fresnel", ...
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FFmpeg 2.4 is API-, but not ABI-compatible with the previous major release.
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This means that the code using our libraries needs to be rebuilt, but no
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source changes should be required.
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┌────────────────────────────┐
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│ * API Information │
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└────────────────────────────┘
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FFmpeg 2.4 includes the following library versions:
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• libavutil 54.7.100
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• libavcodec 56.1.100
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• libavformat 56.4.101
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• libavdevice 56.0.100
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• libavfilter 5.1.100
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• libswscale 3.0.100
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• libswresample 1.1.100
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• libpostproc 53.0.100
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Please refer to the doc/APIChanges file for more information.
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┌────────────────────────────┐
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│ ★ List of New Features │
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└────────────────────────────┘
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┌────────────────────────────┐
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│ libavformat │
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└────────────────────────────┘
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• Icecast protocol
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• API for live metadata updates through event flags.
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┌────────────────────────────┐
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│ libavfilter │
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└────────────────────────────┘
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• ported lenscorrection filter from frei0r filter
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• large optimizations in dctdnoiz to make it usable
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• added codecview filter to visualize information exported by some codecs
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• added silenceremove filter
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┌────────────────────────────┐
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│ libavutil │
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└────────────────────────────┘
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• added clip() function in eval
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┌────────────────────────────┐
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│ ⚠ Behaviour changes │
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└────────────────────────────┘
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• IMPORTANT: The new field mime_type was added to AVProbeData.
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To avoid crashes, make sure to always initialize AVProbeData, e.g. use
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'AVProbeData pd = { 0 };' instead of 'AVProbeData pd;'.
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• dctdnoiz filter now uses a block size of 8x8 instead of 16x16 by default
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• -vismv option is deprecated in favor of the codecview filter
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• libmodplug is now detected through pkg-config
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• HTML documentation generation through texi2html is deprecated in
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favor of makeinfo/texi2any
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