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Alessandro RosandGitHub b5b63d02fc support reading and publishing with Media-over-QUIC (#5815 )

Media-over-QUIC is a streaming protocol built upon cutting edge
protocols (QUIC, HTTP3) and browser APIs (WebTransport, WebCodecs).
It's slightly faster than WebRTC, has an advanced data recovery
mechanism (placed at the frame level and not at the packet level), it
supports additional codecs (FLAC) and is less complicated to route.

2026-06-02 23:04:24 +02:00

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FFmpeg

FFmpeg can publish a stream to the server by acting as a RTSP client, RTMP client, SRT client, WebRTC client or by sending MPEG-TS packets or RTP packets. The recommended way is acting as a RTSP client.

FFmpeg as a RTSP client

ffmpeg -re -stream_loop -1 -i file.mp4 -c copy -f rtsp rtsp://localhost:8554/mystream

The resulting stream will be available on path /mystream.

FFmpeg as a RTMP client

ffmpeg -re -stream_loop -1 -i file.mp4 -c copy -f flv rtmp://localhost:1935/mystream

FFmpeg and MPEG-TS over UDP

In MediaMTX configuration, add a path with source: udp+mpegts://238.0.0.1:1234. Then:

ffmpeg -re -stream_loop -1 -i file.mp4 -c copy -f mpegts 'udp://238.0.0.1:1234?pkt_size=1316'

FFmpeg and MPEG-TS over Unix socket

In MediaMTX configuration, add a path with source: unix+mpegts:///tmp/socket.sock. Then:

ffmpeg -re -f lavfi -i testsrc=size=1280x720:rate=30 \
-c:v libx264 -pix_fmt yuv420p -preset ultrafast -b:v 600k \
-f mpegts unix:/tmp/socket.sock

FFmpeg and RTP over UDP

In MediaMTX configuration, add a path with source: udp+rtp://238.0.0.1:1234 and a valid rtpSDP (read RTP). Then:

ffmpeg -re -f lavfi -i testsrc=size=1280x720:rate=30 \
-c:v libx264 -pix_fmt yuv420p -preset ultrafast -b:v 600k \
-f rtp udp://238.0.0.1:1234?pkt_size=1316

FFmpeg as a SRT client

ffmpeg -re -stream_loop -1 -i file.mp4 -c copy -f mpegts 'srt://localhost:8890?streamid=publish:stream&pkt_size=1316'

FFmpeg as a WebRTC client

ffmpeg -re -f lavfi -i testsrc=size=1280x720:rate=30 \
-f lavfi -i "sine=frequency=1000:sample_rate=48000" \
-c:v libx264 -pix_fmt yuv420p -preset ultrafast -b:v 600k \
-c:a libopus -ar 48000 -ac 2 -b:a 128k \
-f whip http://localhost:8889/stream/whip

WARNING: in case of FFmpeg 8.0, a video track and an audio track must both be present.

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