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avformat/tls_mbedtls: fix DTLS handshake failure when receiving non-DTLS packets 

Some WebRTC servers such as Pion send STUN packets concurrently during
the DTLS handshake. Unlike OpenSSL and GnuTLS which filter non-DTLS
packets internally, mbedtls passes all received UDP packets directly to
its DTLS state machine, causing the handshake to fail.

Fix this by using ff_is_dtls_packet() in mbedtls_recv to discard
non-DTLS packets such as STUN by returning WANT_READ, as specified
by RFC 5764 Section 5.1.2.

Signed-off-by: Nariman-Sayed <narimansayed28@gmail.com>

 2026-05-11 12:36:58 +00:00
.forgejo .forgejo/CODEOWNERS: fix ogg pattern for @toots 2026-05-03 17:05:25 +00:00
compat avfilter/scale_cuda: fix color bleeding in lanczos scaling 2026-04-04 11:31:16 +00:00
doc doc/examples/demux_decode: update ffplay command for audio and video output 2026-05-05 23:44:42 +00:00
ffbuild ffbuild/common: remove DBG=1 to preprocess external asm 2026-04-03 16:15:33 +02:00
fftools fftools/graph: Add missing include "libavutil/mem.h" for fftools/graph/graphprint.c 2026-05-07 22:00:38 +00:00
libavcodec vulkan_ffv1: support decoding 32-bit float video 2026-05-11 05:32:41 +09:00
libavdevice avdevice/v4l2: fix mmap_free() skipping first buffer 2026-04-28 13:45:20 +00:00
libavfilter avfilter/vf_stereo3d: Add av_fallthrough 2026-05-03 18:22:51 +02:00
libavformat avformat/tls_mbedtls: fix DTLS handshake failure when receiving non-DTLS packets 2026-05-11 12:36:58 +00:00
libavutil avutil/hwcontext_vulkan: fix resource leak on alloc_mem failure 2026-05-10 20:01:47 +00:00
libswresample libswresample/arm: Change to the common indentation size 2026-04-29 13:49:27 +03:00
libswscale swscale/ops_chain: Use av_fallthrough to mark fallthrough 2026-05-03 18:22:05 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests avcodec/vvc_parser: properly split PUs when a Prefix SEI NUT is found 2026-05-09 11:44:39 -03:00
tools tools/check_arm_indent: Run formatting on arm, in addition to aarch64 2026-04-29 13:53:07 +03:00
.gitattributes gitattributes: End merge conflicts in Changelog 2025-03-17 15:26:10 +01:00
.gitignore swscale/aarch64: add NEON sws_ops backend 2026-03-30 11:38:35 +00:00
.mailmap mailmap: add entry for myself 2025-08-08 21:51:15 +00:00
Changelog avfilter/vf_frc_amf: Add AMF Frame Rate Converter filter 2026-04-21 16:47:05 +00:00
configure configure: Add missing apv_metadata->cbs_apv dependency 2026-05-08 09:35:35 +02:00
CONTRIBUTING.md CONTRIBUTING.md: add blank line after top heading 2026-04-20 12:32:50 +00:00
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 2009-06-05 09:51:31 +00:00
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 all: fix whitespace/new-line issues 2025-08-03 13:48:47 +02:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
FUNDING.json Add FUNDING.json 2025-06-23 14:48:40 +02:00
INSTALL.md INSTALL.md: add title heading and normalize section levels 2026-04-20 12:32:50 +00:00
LICENSE.md Remove libpostproc 2025-05-07 15:35:47 +02:00
MAINTAINERS MAINTAINERS: add myself for libavfilter 2026-04-25 19:18:28 +02:00
Makefile configure: add detection of assembler support for SME2 2026-03-04 23:52:36 +02:00
README.md README.md: use consistent ATX heading style 2026-04-20 12:32:50 +00:00
RELEASE RELEASE: update to 8.0 2025-08-14 08:42:29 -04:00

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.