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Kacper Michajłow f212f5736c compat/android: provide log2 and log2f below API level 18

Bionic gained log2 and log2f in Android 4.3, API level 18. Devices
below that are under 0.1 percent of the installed base, Google Play
services dropped them in 2021 and no NDK newer than r24 can target
them. VLC 3 however still ships Android 4.2 builds with NDK 21 against
current FFmpeg releases, so provide the two functions for that case
rather than keeping generic fallbacks for the whole libm.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>

2026-09-12 23:52:20 +00:00

.forgejo

forgejo/inject-pr-samples: properly flush and close injected sample before hashing

2026-08-31 18:09:20 +00:00

compat

compat/android: provide log2 and log2f below API level 18

2026-09-12 23:52:20 +00:00

doc

avformat/libssh: verify the SSH server host key

2026-09-12 20:29:19 +00:00

ffbuild

ffbuild/common: remove .ho from CLEANSUFFIXES

2026-09-07 03:10:15 +02:00

fftools

compat/android: provide log2 and log2f below API level 18

2026-09-12 23:52:20 +00:00

libavcodec

avcodec/apac: reset bitstream_index unconditionally to avoid integer overflow

2026-09-12 03:36:22 +00:00

libavdevice

avdevice/avfoundation: keep format and frame rate range paired

2026-08-30 02:50:39 +00:00

libavfilter

avfilter/vf_mestimate{,_d3d12}: flush final frame at EOF

2026-09-08 16:35:14 +00:00

libavformat

avformat/libssh: verify the SSH server host key

2026-09-12 20:29:19 +00:00

libavutil

compat/android: provide log2 and log2f below API level 18

2026-09-12 23:52:20 +00:00

libswresample

swresample: support AV_SAMPLE_FMT_DSD input

2026-09-06 00:48:24 +02:00

libswscale

libswscale/ppc/yuv2rgb_altivec: Fix heap buffer overflow in yuv2packedX

2026-09-12 10:48:45 +00:00

presets

presets: remove moldering iPod presets

2014-06-17 16:15:04 -08:00

tests

tests/fate: add an MP4 -stereo3d encode test

2026-09-11 22:31:03 +00:00

tools

tools/sidxindex: fix const qualifier discard warning

2026-08-12 17:21:07 +02:00

.gitattributes

gitattributes: End merge conflicts in Changelog

2025-03-17 15:26:10 +01:00

.gitignore

swscale/x86/uops: generate NASM macros using uops_macros.h

2026-06-09 18:27:20 +02:00

.mailmap

mailmap: add entry for myself

2025-08-08 21:51:15 +00:00

Changelog

avcodec: add a raw DSD encoder

2026-09-06 00:48:26 +02:00

configure

configure: remove icc version check for aligned stack

2026-09-08 03:00:16 +02:00

CONTRIBUTING.md

CONTRIBUTING.md: add blank line after top heading

2026-04-20 12:32:50 +00:00

COPYING.GPLv2

…

COPYING.GPLv3

…

COPYING.LGPLv2.1

all: fix whitespace/new-line issues

2025-08-03 13:48:47 +02:00

COPYING.LGPLv3

…

CREDITS

Use https for repository links

2023-03-01 21:59:10 +01:00

FUNDING.json

Add FUNDING.json

2025-06-23 14:48:40 +02:00

INSTALL.md

INSTALL.md: add title heading and normalize section levels

2026-04-20 12:32:50 +00:00

LICENSE.md

Remove libpostproc

2025-05-07 15:35:47 +02:00

MAINTAINERS

MAINTAINERS: add myself for the D3D12 video filters

2026-09-04 16:06:29 +00:00

Makefile

ffbuild: show install destinations in the INSTALL build output

2026-08-10 17:45:18 +00:00

README.md

README.md: use consistent ATX heading style

2026-04-20 12:32:50 +00:00

RELEASE

RELEASE: update to 8.0

2025-08-14 08:42:29 -04:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

libavcodec provides implementation of a wider range of codecs.
libavformat implements streaming protocols, container formats and basic I/O access.
libavutil includes hashers, decompressors and miscellaneous utility functions.
libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
libavdevice provides an abstraction to access capture and playback devices.
libswresample implements audio mixing and resampling routines.
libswscale implements color conversion and scaling routines.

Tools

ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
ffplay is a minimalistic multimedia player.
ffprobe is a simple analysis tool to inspect multimedia content.
Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.