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Koushik Dutta 2657e1679e
avformat/rtpenc: Add flag AVFMT_NODIMENSIONS. 
Not all rtp formats require the video dimensions to be available
up front. H264 and HEVC will send them as stream parameters.
The flag is restrictive and prevents RTP repacketization
without parsing the codec information out of the stream.

This change checks to see if the codec parameters are available
on the rtp formats that need it.

Signed-off-by: Koushik Dutta <koushd@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-03-29 22:49:57 +01:00
compat compat/w32pthreads: change pthread_t into pointer to malloced struct 2024-12-16 09:43:19 +01:00
doc libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
ffbuild ffbuild: use response files only if ar accepts them 2025-03-18 15:35:30 +05:30
fftools ffmpeg-filter: check for initialized graph 2025-03-25 01:06:03 +05:30
libavcodec avcodec/ituh263enc: Add necessary #if checks for FLV encoder 2025-03-29 01:48:34 +01:00
libavdevice libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
libavfilter libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
libavformat avformat/rtpenc: Add flag AVFMT_NODIMENSIONS. 2025-03-29 22:49:57 +01:00
libavutil avutil/hwcontext_vulkan: stop checking for deprecated and removed flag 2025-03-29 00:40:48 +01:00
libpostproc libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
libswresample libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
libswscale libs: bump major version for all libraries 2025-03-28 14:44:34 -03:00
presets
tests fate/vcodec: Test non-default b_strategy 2025-03-29 01:39:55 +01:00
tools avcodec/raw: Duplicate raw_pix_fmt_tags into fourcc2pixfmt tool 2025-03-28 14:33:31 -03:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore ffbuild: read library linker objects from a file 2025-03-17 15:45:53 +05:30
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog avformat/movenccenc: add support for CENC AV1 encryption 2025-03-25 20:59:18 -03:00
configure avdevice: remove deprecated FF_API_SDL2_DEVICE 2025-03-28 14:33:07 -03:00
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: explain the circular dependency issue and solution 2024-11-03 19:35:23 +01:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Add myself 2025-03-25 11:38:21 +01:00
Makefile configure: Add wasm as a fake arch 2024-12-04 16:43:06 +08:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE RELEASE: update release number after release/7.1 branch 2024-10-09 01:55:50 +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.