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66 lines
2 KiB
Markdown
66 lines
2 KiB
Markdown
# rtspsrc2
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Rust rewrite of rtspsrc, with the purpose of fixing the fundamentally broken
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architecture of rtspsrc. There are some major problems with rtspsrc:
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1. Element states are linked to RTSP states, which causes unfixable glitching
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and issues, especially in shared RTSP media
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2. The command loop is fundamentally broken and buggy, which can cause RTSP
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commands such as `SET_PARAMETER` and `GET_PARAMETER` to be lost
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3. The combination of the above two causes unfixable deadlocks when doing state
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changes due to external factors such as server state, or when seeking
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4. Parsing of untrusted RTSP messages from the network was done in C with the
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`GstRTSPMessage` API.
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5. Parsing of untrusted SDP from the network was done in C with the
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`GstSDPMessage` API
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## Implemented features
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* RTSP 1.0 support
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* Lower transports: TCP, UDP, UDP-Multicast
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* RTCP SR and RTCP RR
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* RTCP-based A/V sync
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* Lower transport selection and priority (NEW!)
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- Also supports different lower transports for each SETUP
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## Missing features
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Roughly in order of priority:
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* Credentials support
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* TLS/TCP support
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* NAT hole punching
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* Allow ignoring specific streams (SDP medias)
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- Currently all available source pads must be linked
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* SRTP support
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* HTTP tunnelling
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* Proxy support
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* `GET_PARAMETER` / `SET_PARAMETER`
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* Make TCP connection optional when using UDP transport
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- Or TCP reconnection if UDP has not timed out
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* Parse SDP rtcp-fb attributes
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* Parse SDP ssrc attributes
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* Clock sync support, such as RFC7273
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* PAUSE support with VOD
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* Seeking support with VOD
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* ONVIF backchannel support
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* ONVIF trick mode support
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* RTSP 2 support (no servers exist at present)
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## Missing configuration properties
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These are some misc rtspsrc props that haven't been implemented in rtspsrc2
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yet:
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* latency
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* do-rtx
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* do-rtcp
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* iface
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* user-agent
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## Maintenance and future cleanup
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* Refactor SDP → Caps parsing into a module
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* Test with market RTSP cameras
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- Currently, only live555 and gst-rtsp-server have been tested
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* Add tokio-console and tokio tracing support
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