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aler9 avatar aler9 commented on June 7, 2024

Hello, thank you very much for bringing to attention the existence of net.Buffers and the fact that multiple UDP or TCP buffers can be sent with a single call. Using net.Buffers.WriteTo() instead of net.Conn.Write() can surely improve performance in case all RTP packets of a video frames are available in advance, and this happens with the following cases:

  • RTMP to RTSP
  • HLS to RTSP
  • SRT/MPEG-TS to RTSP
  • RTSP to WebRTC (since RTP packets are decoded and re-encoded with a lower MTU)

However this approach won't bring any benefit when RTP packets are received singularly and sent out as soon as possible, and this happens with:

  • RTSP to RTSP
  • WebRTC to RTSP

Therefore: in the future we can add to gortsplib a new method, WritePacketsRTP(pkts []*rtp.Packet), that allows to send out multiple packets at once.

from mediamtx.

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