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rtsp: support encrypting UDP and UDP-multicast streams (#4690)

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This commit is contained in:
Alessandro Ros
2025-07-05 13:46:59 +02:00
committed by GitHub
parent 81af4075f0
commit c475f84e5d
11 changed files with 131 additions and 90 deletions
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README.md
+12 -6
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@@ -301,7 +301,14 @@ The RTSP protocol supports multiple underlying transport protocols, each with it
```sh
gst-launch-1.0 filesrc location=file.mp4 ! qtdemux name=d \
d.video_0 ! rtspclientsink protocols=tcp name=s location=rtsp://localhost:8554/mystream
d.video_0 ! rtspclientsink location=rtsp://localhost:8554/mystream protocols=tcp
```
If encryption is enabled, the `tls-validation-flags` and `profiles` options must be specified too:
```sh
gst-launch-1.0 filesrc location=file.mp4 ! qtdemux name=d \
d.video_0 ! rtspclientsink location=rtsp://localhost:8554/mystream tls-validation-flags=0 profiles=GST_RTSP_PROFILE_SAVP
```
The resulting stream is available in path `/mystream`.
@@ -2407,9 +2414,9 @@ ffmpeg -i rtsp://original-source \
The RTSP protocol supports different underlying transport protocols, that are chosen by clients during the handshake with the server:
* UDP: the most performant, but doesn't work when there's a NAT/firewall between server and clients. It doesn't support encryption.
* UDP-multicast: allows to save bandwidth when clients are all in the same LAN, by sending packets once to a fixed multicast IP. It doesn't support encryption.
* TCP: the most versatile, does support encryption.
* UDP: the most performant, but doesn't work when there's a NAT/firewall between server and clients.
* UDP-multicast: allows to save bandwidth when clients are all in the same LAN, by sending packets once to a fixed multicast IP.
* TCP: the most versatile.
The default transport protocol is UDP. To change the transport protocol, you have to tune the configuration of your client of choice.
@@ -2422,10 +2429,9 @@ openssl genrsa -out server.key 2048
openssl req -new -x509 -sha256 -key server.key -out server.crt -days 3650
```
Edit `mediamtx.yml` and set the `rtspTransports`, `encryption`, `serverKey` and serverCert parameters:
Edit `mediamtx.yml` and set the `encryption`, `serverKey` and serverCert parameters:
```yml
rtspTransports: [tcp]
rtspEncryption: optional
rtspServerKey: server.key
rtspServerCert: server.crt