Re: [FFmpeg-devel] [PATCH] avformat/rtpenc: Add flag AVFMT_NODIMENSIONS.

[Michael Niedermayer <michael@niedermayer.cc>]

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Hi

On Wed, Mar 26, 2025 at 01:13:13PM -0700, koushd@gmail.com wrote:
> From: Koushik Dutta <koushd@gmail.com>
> 
> 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>
> ---
>  libavformat/rtpenc.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)

In general when muxing a stream, the dimensions are known

Can you explain what you are doing with rtpenc that lacks
known dimensions ?
is this some sort of low latency remuxing ?

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Some people wanted to paint the bikeshed green, some blue and some pink.
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