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Nicolas Gaullier 32d3e67717 avfilter/framesync: fix forward EOF pts 
Note1: when the EOF pts is not accurate enough, the last frame
can be dropped by vf_fps with default rounding.

Note2: vf_scale use framesync since e82a3997cd,
so this is a very commonplace scenario.

For example:
./ffprobe -f lavfi testsrc=d=1,scale,fps -of flat \
  -count_frames -show_entries stream=nb_read_frames

Before:
streams.stream.0.nb_read_frames="24"

After:
streams.stream.0.nb_read_frames="25"

Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit de976eaf30)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2024-10-15 10:50:23 +02:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
doc Update for 7.1 2024-09-29 18:47:04 +02:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools: log unconnected filter output label 2024-10-04 11:34:59 -03:00
libavcodec avcodec/vaapi_encode: fix compilation without CONFIG_VAAPI_1 2024-10-12 09:13:33 +08:00
libavdevice avdevice/decklink_dec: fix leaks on error 2024-09-29 10:30:49 +02:00
libavfilter avfilter/framesync: fix forward EOF pts 2024-10-15 10:50:23 +02:00
libavformat avformat/img2enc: Fix integer truncation when frame_pts is enabled 2024-10-03 23:25:43 +08:00
libavutil ppc: Recognize the PPC VSX and Power8 CPU flags 2024-09-30 09:08:11 -04:00
libpostproc */version.h: bump minor versions for release/7.1 2024-09-24 17:07:30 +02:00
libswresample arm: Consistently use proper interworking function returns 2024-10-10 23:56:10 +03:00
libswscale arm: Consistently use proper interworking function returns 2024-10-10 23:56:10 +03:00
presets
tests checkasm: lls: Use relative tolerances rather than absolute ones 2024-10-10 23:56:10 +03:00
tools tools/target_swr_fuzzer: Limit the number of samples 2024-09-24 15:37:18 +02:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog Changelog: Mark for 7.1 2024-09-24 17:05:48 +02:00
configure compat: add a fallback implementation of C23 stdbit.h 2024-09-23 17:08:46 +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
INSTALL.md
LICENSE.md
MAINTAINERS MAINTAINERS: Fix typo in web repository 2024-09-24 15:37:14 +02:00
Makefile add tools/target_swr_fuzzer 2024-08-08 15:26:52 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Update for 7.1 2024-09-29 18:47:04 +02:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.1 2024-09-29 18:47:04 +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.