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Martin Storsjö 431f6260ac mov: Reduce the verbosity of the warning about fragmented MP4 vs advanced edit lists 
Only warn if the advanced_editlist option is enabled (it is enabled
by default though) so we don't print one warning for each track, and
demote the warning to AV_LOG_LEVEL_VERBOSE; this message does get
generated whenever parsing a fragmented MP4 file, regardless of
whether the file actually uses multiple edits or not.

Later when parsing the mov structures, the demuxer does warn if
the file did contain multiple edits which would require the
advanced_editlist option enabled for decoding correctly.

Adjust the warning message for the case when the file seemed like it
actually would have needed handling of advanced edit lists, to
reflect the fact that it doesn't help to try set the option as
it has been automatically disabled.

Signed-off-by: Martin Storsjö <martin@martin.st>
 		2023-01-31 14:29:08 +02:00
compat compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
doc fftools/ffmpeg: support input frame params in encoding stats 2023-01-31 09:09:23 +01:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg: support input frame params in encoding stats 2023-01-31 09:09:23 +01:00
libavcodec lavc: add null codecs 2023-01-31 09:00:56 +01:00
libavdevice avdevice/avfoundation: convert to new channel layout-API 2022-11-08 14:08:05 -03:00
libavfilter avfilter/vf_libplacebo: suppress cast warning 2023-01-30 20:34:55 +01:00
libavformat mov: Reduce the verbosity of the warning about fragmented MP4 vs advanced edit lists 2023-01-31 14:29:08 +02:00
libavutil lavu/video_enc_params: Avoid relying on an undefined C construct 2023-01-31 14:22:54 +02:00
libpostproc postproc/postprocess_template: Fix alignment 2022-11-09 17:39:00 +01:00
libswresample swresample/swresample_frame: fix regression in detecting changes 2023-01-04 18:19:07 +01:00
libswscale swscale/utils: Fix indentation 2022-11-24 21:02:57 +01:00
presets
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tests avcodec/png: use libavutil/csp.h for cHRM chunks 2023-01-25 08:09:16 -05:00
tools tools/target_dec_fuzzer: Adjust threshold for RSCC 2022-12-01 21:43:57 +01:00
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.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
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Changelog avformat: add XMD demuxer 2023-01-30 21:02:48 +01:00
INSTALL.md
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LICENSE.md
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MAINTAINERS MAINTAINERS: add myself as amfenc* maintainer 2022-11-10 16:28:07 +01:00
Makefile configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
README.md
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RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +02:00
configure lavfi/scale_qsv: simplify scale_qsv filter 2023-01-30 08:48:58 +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.