gortsplib

RTSP 1.0 client and server library for the Go programming language, written for MediaMTX.

Go ≥ 1.18 is required.

Features:

Client
- Query servers about available media streams
- Read
  - Read media streams from servers with the UDP, UDP-multicast or TCP transport protocol
  - Read TLS-encrypted streams (TCP only)
  - Switch transport protocol automatically
  - Read only selected media streams
  - Pause or seek without disconnecting from the server
  - Generate RTCP receiver reports (UDP only)
  - Reorder incoming RTP packets (UDP only)
- Publish
  - Publish media streams to servers with the UDP or TCP transport protocol
  - Publish TLS-encrypted streams (TCP only)
  - Switch transport protocol automatically
  - Pause without disconnecting from the server
  - Generate RTCP sender reports
Server
- Handle requests from clients
- Sessions and connections are independent
- Publish
  - Read media streams from clients with the UDP or TCP transport protocol
  - Read TLS-encrypted streams (TCP only)
  - Generate RTCP receiver reports (UDP only)
  - Reorder incoming RTP packets (UDP only)
- Read
  - Write media streams to clients with the UDP, UDP-multicast or TCP transport protocol
  - Write TLS-encrypted streams
  - Compute and provide SSRC, RTP-Info to clients
  - Generate RTCP sender reports
Utilities
- Parse RTSP elements
- Encode/decode format-specific frames into/from RTP packets. The following formats are supported:
  - Video: H264, H265, M-JPEG, VP8, VP9
  - Audio: G711 (PCMA, PCMU), G722, LPCM, MPEG4 Audio (AAC), Opus

Examples

API Documentation

https://pkg.go.dev/github.com/bluenviron/gortsplib/v3#pkg-index

Standards

RTSP 1.0 https://datatracker.ietf.org/doc/html/rfc2326
RTSP 2.0 https://datatracker.ietf.org/doc/html/rfc7826
RTP Profile for Audio and Video Conferences with Minimal Control https://datatracker.ietf.org/doc/html/rfc3551
RTP Payload Format for MPEG1/MPEG2 Video https://datatracker.ietf.org/doc/html/rfc2250
RTP Payload Format for JPEG-compressed Video https://datatracker.ietf.org/doc/html/rfc2435
RTP Payload Format for MPEG-4 Audio/Visual Streams https://datatracker.ietf.org/doc/html/rfc6416
RTP Payload Format for H.264 Video https://datatracker.ietf.org/doc/html/rfc6184
RTP Payload Format for High Efficiency Video Coding (HEVC) https://datatracker.ietf.org/doc/html/rfc7798
RTP Payload Format for VP8 Video https://datatracker.ietf.org/doc/html/rfc7741
RTP Payload Format for VP9 Video https://datatracker.ietf.org/doc/html/draft-ietf-payload-vp9-16
RTP Payload Format for 12-bit DAT Audio and 20- and 24-bit Linear Sampled Audio https://datatracker.ietf.org/doc/html/rfc3190
RTP Payload Format for Vorbis Encoded Audio https://datatracker.ietf.org/doc/html/rfc5215
RTP Payload Format for the Opus Speech and Audio Codec https://datatracker.ietf.org/doc/html/rfc7587
RTP Payload Format for Transport of MPEG-4 Elementary Streams https://datatracker.ietf.org/doc/html/rfc3640
ITU-T Rec. H.264 (08/2021) https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-H.264-202108-I!!PDF-E&type=items
ITU-T Rec. H.265 (08/2021) https://www.itu.int/rec/dologin_pub.asp?lang=e&id=T-REC-H.265-202108-I!!PDF-E&type=items
ISO 14496-3, Coding of audio-visual objects, part 3, Audio
Golang project layout https://github.com/golang-standards/project-layout

Links

Related projects

rtsp-simple-server https://github.com/aler9/rtsp-simple-server
pion/sdp (SDP library used internally) https://github.com/pion/sdp
pion/rtp (RTP library used internally) https://github.com/pion/rtp
pion/rtcp (RTCP library used internally) https://github.com/pion/rtcp

License

vivanstore8/gortsplib

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