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From: Jack Lau <jacklau1222gm-at-gmail.com@ffmpeg.org>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 4/4] avformat/udp: fix udp server mode haven't dest_addr
Date: Thu, 10 Jul 2025 09:46:19 +0800
Message-ID: <F18900F8-FE60-4F05-8308-3519F581E38D@gmail.com> (raw)
In-Reply-To: <e6940151-5ded-4c5d-8689-24e3c4ee28ad@rothenpieler.org>



> On Jul 9, 2025, at 22:16, Timo Rothenpieler <timo@rothenpieler.org> wrote:
> 
> On 09/07/2025 15:36, Jack Lau wrote:
>> If udp is in server mode(init local addr and port through url),
>> then it maybe haven't dest_addr, so we should set it after udp_read
>> get the client addr and port
> 
> I'm also really not sure if this is correct, or what scenario it even fixes.
> The vast majority of uses of UDP are strictly unidirectional, making this a non-issue.
> 
> DTLS is one of the few exceptions there, and as the user of udp.c should be the one responsible for setting the appropriate destination address when in "server" mode.
Maybe we could add a udp option that enable this feature? And only enable it when user explicitly set.
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      reply	other threads:[~2025-07-10  1:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-09 13:36 [FFmpeg-devel] [PATCH 0/4] Fix some issues in tls_openssl and udp Jack Lau
2025-07-09 13:36 ` [FFmpeg-devel] [PATCH 1/4] avformat/tls_openssl: add record trace function Jack Lau
2025-07-09 22:16   ` Michael Niedermayer
2025-07-10  1:46     ` Jack Lau
2025-07-09 13:36 ` [FFmpeg-devel] [PATCH 2/4] avformat/tls_openssl: fix dtls_handshake return code Jack Lau
2025-07-09 14:14   ` Timo Rothenpieler
2025-07-10  1:44     ` Jack Lau
2025-07-09 13:36 ` [FFmpeg-devel] [PATCH 3/4] avformat/tls_openssl: remove all redundant "TLS: " in log with AVClass Jack Lau
2025-07-09 13:36 ` [FFmpeg-devel] [PATCH 4/4] avformat/udp: fix udp server mode haven't dest_addr Jack Lau
2025-07-09 14:16   ` Timo Rothenpieler
2025-07-10  1:46     ` Jack Lau [this message]

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