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Anton Khirnov e6126abc69 fftools/ffprobe: stop using AVFrame.pkt_{pos,size} 
These fields are ad-hoc and will be deprecated. Use the recently-added
AV_CODEC_FLAG_COPY_OPAQUE to pass arbitrary user data from packets to
frames.

Changes the result of the flcl1905 test, which uses ffprobe to decode
wmav2 with multiple frames per packet. Such packets are handled
internally by calling the decoder's decode callback multiple times,
offsetting the internal packet's data pointer and decreasing its size
after each call. The output pkt_size value before this commit is then
the remaining internal packet size at the time of each internal decode
call.

After this commit, output pkt_size is simply the size of the full packet
submitted by the caller to the decoder. This is more correct, since
internal packets are never seen by the caller and should have no
observable outside effects.
2023-03-20 10:42:09 +01:00
compat compat: Use '-' instead of '/' for rc.exe options 2023-02-13 13:49:40 +02:00
doc avfilter/vf_uspp: Support any codec 2023-03-18 18:20:14 +01:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffprobe: stop using AVFrame.pkt_{pos,size} 2023-03-20 10:42:09 +01:00
libavcodec avcodec/libopusenc: Remove redundant av_packet_unref() 2023-03-18 07:21:35 +01:00
libavdevice avdevice/decklink_enc: fix unused variable compiler warnings 2023-03-08 23:53:26 +01:00
libavfilter lavfi/vf_vpp_qsv: set the right timestamp for AVERROR_EOF 2023-03-20 09:58:41 +08:00
libavformat avformat/mpegtsenc: Restrict "async" behavior to KLV async packets 2023-03-16 23:24:04 +01:00
libavutil libavutil/hdr_dynamic_vivid_metadata: fix three spline params 2023-03-17 18:51:16 +08:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample swresample/swresample: add a used channel layout option using the new API 2023-02-19 18:28:45 -03:00
libswscale version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
presets
tests fftools/ffprobe: stop using AVFrame.pkt_{pos,size} 2023-03-20 10:42:09 +01:00
tools avcodec: add AVCodecContext.frame_num as 64 bit variant to frame_number 2023-02-13 00:36:46 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.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
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog Changelog: Add back <next> past 6.0 branch 2023-02-19 22:58:52 +01:00
configure avfilter/vf_uspp: update to new APIs 2023-03-18 18:20:02 +01:00
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 INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add maintainer for the imf demuxer 2023-02-13 18:41:22 +01:00
Makefile configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +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

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.