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Andreas Rheinhardt 5892a55d55 avcodec/h264_redundant_pps_bsf: Support multiple input PPS 
Up until now, the h264_redundant_pps_bsf stored the initial value
of pic_init_qp_minus26 of the most recently encountered PPS;
it also modified the slices based upon to assumption that
the most recent PPS is the PPS the slice belongs to.
Yet this assumption is flawed, as there can be several PPS
with different IDs that are visible at any given time.
If these have different pic_init_qp_minus26 values,
the output can be invalid.

Fix this by directly using the pic_init_qp_minus26 value of
the input PPS.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2021-12-03 16:03:49 +01:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc avfilter: add audio dynamic smooth filter 2021-12-02 09:39:27 +01:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
fftools ffmpeg: fix usage of -shortest in codec copy scenarios 2021-12-01 18:16:56 -03:00
libavcodec avcodec/h264_redundant_pps_bsf: Support multiple input PPS 2021-12-03 16:03:49 +01:00
libavdevice avdevice/lavfi: Properly free an AVDictionary 2021-12-03 10:46:01 +01:00
libavfilter avfilter: add a flip_vulkan filter 2021-12-02 11:06:24 +01:00
libavformat avformat/mvdec: handle audio sample size 2021-12-03 19:53:56 +11:00
libavutil videotoolbox: add alpha support 2021-11-28 16:40:58 -06:00
libpostproc libpostproc/postprocess_template: Don't reimplement FFSWAP 2021-10-02 17:13:42 +02:00
libswresample swresample/swresample: Remove array size hint from swr_convert() 2021-12-03 10:34:51 +01:00
libswscale swscale: add P210/P410/P216/P416 input 2021-11-28 16:40:43 -06:00
presets
tests fate/ffmpeg: Fix requirements of shortest tests 2021-12-02 17:44:27 +01:00
tools tools/target_dec_fuzzer: Adjust DXA threshold 2021-12-01 17:44:56 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Changelog: update with recent Vulkan filter additions 2021-12-02 11:08:58 +01:00
configure avfilter: add a flip_vulkan filter 2021-12-02 11:06:24 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
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 avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +10:00
Makefile FATE: add a test for sliced scaling 2021-08-08 19:26:05 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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.