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Steven Liu 2c1cc326e9 avformat/crypto.c: remove unnecessary code 
Because the newpos variable is set value before use it.
The newpos variable declared at the head partition of crypto_seek.
Make the code clean.

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
2020-07-20 10:14:53 +08:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc doc/http: Update HTTP protocol options 2020-07-19 08:41:32 +08:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools ffprobe: Allow unknown format private AVOptions 2020-07-02 19:24:56 +01:00
libavcodec lavc/sgienc: Fix default 16bit encoding. 2020-07-19 21:57:41 +02:00
libavdevice avdevice/decklink_dec: export timecode with s12m side data 2020-07-15 05:47:14 +08:00
libavfilter avfilter/vf_bilateral: simplify code a little 2020-07-18 10:22:12 +02:00
libavformat avformat/crypto.c: remove unnecessary code 2020-07-20 10:14:53 +08:00
libavresample
libavutil avutil/timecode: add description for SMPTE binary format 2020-07-15 05:47:14 +08:00
libpostproc Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswresample Bump minor versions after branching 4.3 2020-06-08 22:49:04 +02:00
libswscale swscale/tests/swscale: use 1 for indicating erros 2020-07-16 17:44:53 +02:00
presets
tests checkasm/vf_blend: use the correct depth parameters to initialize the blend modes 2020-07-12 11:30:23 -03:00
tools dnn_backend_native_layer_mathunary: add atanh support 2020-07-06 12:45:14 +08:00
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Changelog avcodec/hevcdec: Add VDPAU to list of supported formats 2020-07-09 20:54:11 -07:00
configure avdevice/decklink_dec: add support for extracting and outputing klv from vanc 2020-07-03 00:24:59 +02:00
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INSTALL.md
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself and gpg fingerprint 2020-07-17 21:57:18 +02:00
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README.md
RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +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 a mean to alter decoded Audio and Video through chain of 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.