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Zhao Zhili 2a68b2d643 avcodec/mediacodecenc: workaround the alignment requirement only for H.264 
There is no bsf for other codecs to modify crop info except H.265.
For H.265, the assumption that FFALIGN(width, 16)xFFALIGN(height, 16)
is the video resolution can be wrong, since the encoder can use CTU
larger than 16x16. In that case, use FFALIGN(width, 16) - width
as crop_right is incorrect. So disable the workaround for H.265 now.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
2024-06-07 13:14:46 +08:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc avcodec/h265_metadata: Add options to set width/height after crop 2024-06-07 13:14:46 +08:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffplay: allow unused format options which are also codec options 2024-05-27 21:46:47 +02:00
libavcodec avcodec/mediacodecenc: workaround the alignment requirement only for H.264 2024-06-07 13:14:46 +08:00
libavdevice avdevice/pulse_audio_enc: Use av_rescale() to avoid integer overflow 2024-06-01 18:01:05 +02:00
libavfilter avfilter/trim: flag trim filter as metadata only 2024-06-06 15:09:45 +05:30
libavformat lavc/hevc*: move to hevc/ subdir 2024-06-04 11:46:27 +02:00
libavutil x86/float_dsp: add SSE2 and AVX versions of scalarproduct_double 2024-06-03 22:14:55 -03:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswscale swscale: [loongarch] Fix undeclared functions prob. 2024-05-31 02:20:23 +02:00
presets
tests checkasm/sw_rgb: test rgb24/bgr24 to yuv 2024-06-05 15:22:49 -03:00
tools tools/decode_simple: Check avcodec_send_packet() for errors on flushing 2024-05-28 03:48:06 +02:00
.gitattributes
.gitignore
.mailmap .mailmap: Update my mailmap entry 2024-02-23 00:17:21 +01:00
Changelog changelog: add entry for xHE-AAC 2024-06-02 18:34:46 +02:00
configure configure: correct libopenjpeg description 2024-05-31 21:20:28 +05:30
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md
LICENSE.md
MAINTAINERS MAINTAINERS: add myself as *BSD maintainer 2024-05-13 03:40:16 +02:00
Makefile riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
README.md
RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00

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.