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14 lines
685 B
Markdown
14 lines
685 B
Markdown
# Remuxing, re-encoding, compression
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To change the format, codec or compression of a stream, use _FFmpeg_ or _GStreamer_ together with _MediaMTX_. For instance, to re-encode an existing stream, that is available in the `/original` path, and publish the resulting stream in the `/compressed` path, edit `mediamtx.yml` and replace everything inside section `paths` with the following content:
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```yml
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paths:
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compressed:
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original:
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runOnReady: >
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ffmpeg -i rtsp://localhost:$RTSP_PORT/$MTX_PATH
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-c:v libx264 -pix_fmt yuv420p -preset ultrafast -b:v 600k
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-max_muxing_queue_size 1024 -f rtsp rtsp://localhost:$RTSP_PORT/compressed
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runOnReadyRestart: yes
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```
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