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Reimar Döffinger c0f867bf50 libavformat: fix incorrect handling of incomplete AVBPrint. 
Change some internal APIs a bit to make it harder to make
such mistakes.
In particular, have the read chunk functions return an error
when the result is incomplete.
This might be less flexible, but since there has been no
use-case for that so far, avoiding coding mistakes seems better.
Add a function to queue a AVBPrint directly (ff_subtitles_queue_insert_bprint).
Also fixes a leak in lrcdec when ff_subtitles_queue_insert fails.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 		2023-07-29 16:05:29 +02:00
compat compat: Use '-' instead of '/' for rc.exe options 2023-02-13 13:49:40 +02:00
doc examples: fix build of mux and resample_audio 2023-07-28 09:20:39 -03:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffprobe: fix handling parse_options() return value 2023-07-28 09:11:26 -03:00
libavcodec hevcdsp_idct_neon.S: Avoid unnecessary mov. 2023-07-29 16:05:23 +02:00
libavdevice lavd/opengl_enc: fix a compiler error 2023-07-24 10:17:51 +08:00
libavfilter avfilter/qsvvpp: remove usage of deprecated fields 2023-07-29 09:25:58 -03:00
libavformat libavformat: fix incorrect handling of incomplete AVBPrint. 2023-07-29 16:05:29 +02:00
libavutil macos_kperf: fix incomplete prototype 2023-07-22 21:35:15 +03:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample Move bessel_i0() from swresample/resample to avutil/mathematics 2023-05-29 00:45:28 +02:00
libswscale swscale/rgb2rgb2: rework RISC-V V shuffle_bytes_{1230,3012} 2023-07-21 22:18:02 +03:00
presets
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tests avformat/mov: enable identifying TTML subtitle streams as such 2023-07-28 15:31:56 +03:00
tools tools/target_bsf_fuzzer: fix some filter names 2023-06-29 22:44:11 -03:00
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.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
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CONTRIBUTING.md
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COPYING.GPLv2
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CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
Changelog avfilter: add transpose_vt for videotoolbox pix_fmt 2023-07-23 11:52:28 +08:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: change Leo Izen IRC nickname 2023-06-20 12:46:47 -04:00
Makefile tools: add an AV_CODEC_CAP_ENCODER_RECON_FRAME test tool 2023-03-28 13:00:42 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +02:00
configure avfilter: add transpose_vt for videotoolbox pix_fmt 2023-07-23 11:52:28 +08:00

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.