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Araz Iusubov 5f24c50890 amfenc: Fix for full PA queue 
Fixes AMF_INPUT_FULL errors with pre-analysis (PA) enabled.
Added wait and poll encoder output to free up internal buffers
before submitting new frames.
Improves stability and performance by accounting for encoder and
analysis stage queue limits (incl. lookahead buffering).

Reproduce:
ffmpeg.exe -y -r 60 -f lavfi -i testsrc=rate=60:size=3840x2160
-t 10 -pix_fmt yuv420p -an -c:v av1_amf -preset:v high_quality
-profile:v main -quality:v high_quality -usage:v high_quality
2025-07-29 23:38:16 +02:00
.forgejo forgejo/workflows: use explicit token with issue write permission 2025-07-26 19:36:56 +02:00
compat compat/cuda: add device side printf function 2025-05-14 22:08:33 +02:00
doc lavu: add av_scanf_format() and use it on av_sscanf() 2025-07-22 01:35:01 +02:00
ffbuild ffbuild: correctly silence and tag new css/html steps 2025-05-28 01:02:55 +02:00
fftools fftools/cmdutils: Add av_freep() to avoid memory leak 2025-07-20 01:05:22 +02:00
libavcodec amfenc: Fix for full PA queue 2025-07-29 23:38:16 +02:00
libavdevice avdevice/android_camera: Set image linesize aligment to 1 2025-07-18 10:37:53 +08:00
libavfilter avfilter/af_afade: rework crossfade activate logic 2025-07-29 22:10:05 +02:00
libavformat avformat/dhav: Remove end_ prefix from variable names 2025-07-28 19:29:52 +02:00
libavutil avutil/hwcontext_amf: add device cache size 2025-07-29 23:38:08 +02:00
libswresample swresample/rematrix: Constify 2025-07-03 18:17:56 +02:00
libswscale swscale/lut3d: remove unused function 2025-07-22 19:56:34 +02:00
presets
tests avfilter/af_afade: rework crossfade activate logic 2025-07-29 22:10:05 +02:00
tools tools/target_dec_fuzzer: Set ALS max order to 15 (ALS simple profile) 2025-07-28 17:27:52 +02:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore forgejo/workflows: add initial rudimentary CI 2025-07-22 20:06:20 +02:00
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog Changelog: add entry for vf_colorfilter addition 2025-07-21 17:04:45 -03:00
configure configure: suppress Wmicrosoft-enum-forward-reference 2025-07-22 19:56:34 +02:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
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 Add tools/merge-all-source-plugins 2025-05-15 12:17:04 +02:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: add myself 2025-07-15 00:59:46 +02:00
Makefile Makefile: Split ALLFFLIBS 2025-05-26 20:33:10 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update release number after release/7.1 branch 2024-10-09 01:55:50 +02:00

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.