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Stefano Sabatini 2b0973dedb ffprobe: fix XML rendering, review XML layout 
Fix rendering of int values within a side data element, which was
broken since commit d2d3a83ad9, where the side data element was
correctly marked as a variable fields element. Logic to render a
string variable was implemented already, but it was not implemented
for the int fields path, which was enabled by that commit.

Also, code and schema is changed in order to account for multiple
variable-fields elements - such as side data, contained within the
same parent. Previously it was assumed that a single variable-fields
element was contained within the parent, which was the case for tags,
but is not the case for side-data.

Previously data was rendered as:
<side_data_list>
    <side_data side_data_type="CPB properties" max_bitrate="0" min_bitrate="0" avg_bitrate="0" buffer_size="327680" vbv_delay="-1"/>
</side_data_list>

Now as:
<side_data_list>
   <side_data type="CPB properties">
       <side_datum key="side_data_type" value="CPB properties"/>
       <side_datum key="max_bitrate" value="0"/>
       <side_datum key="min_bitrate" value="0"/>
       <side_datum key="avg_bitrate" value="0"/>
       <side_datum key="buffer_size" value="49152"/>
       <side_datum key="vbv_delay" value="-1"/>
   </side_data>
</side_data_list>

Variable-fields elements are rendered as a containing element wrapping
generic key/values elements, enabling use of strict XML schema.

Fix trac issue:
https://trac.ffmpeg.org/ticket/10613
2023-10-20 18:42:01 +02:00
compat configure: Set WIN32_LEAN_AND_MEAN at configure time 2023-08-14 22:57:28 +03:00
doc ffprobe: fix XML rendering, review XML layout 2023-10-20 18:42:01 +02:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools ffprobe: fix XML rendering, review XML layout 2023-10-20 18:42:01 +02:00
libavcodec avcodec/mlpenc: add proper support for output bit shift 2023-10-20 17:07:25 +02:00
libavdevice avformat/avformat: use the side data from AVStream.codecpar 2023-10-06 10:03:57 -03:00
libavfilter avfilter/vf_scale: fix interlaced chroma for other formats 2023-10-20 15:20:09 +02:00
libavformat avformat/mxfdec: Check klv offset 2023-10-19 20:44:56 +02:00
libavutil libavutil/ppc/cpu.c: check that AT_HWCAP2 is defined 2023-10-19 20:46:55 +02:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample libswresample/swresample: avoid s16p internal transfer format 2023-09-25 21:41:35 +02:00
libswscale swscale/rgb2rgb: R-V V deinterleaveBytes 2023-10-03 22:53:20 +03:00
presets
tests ffprobe: fix XML rendering, review XML layout 2023-10-20 18:42:01 +02:00
tools tools/target_dec_fuzzer: Adjust wmapro threshold 2023-10-03 20:09:27 +02:00
.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 '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog ffprobe: fix XML rendering, review XML layout 2023-10-20 18:42:01 +02:00
configure avformat/mxfenc: fix static building 2023-10-17 14:46:34 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
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 entry for jpegxl* 2023-10-17 08:44:23 -04:00
Makefile tools: Don't include the direct library names when linking 2023-10-02 22:49:07 +03:00
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.