#11033: "Bitrate" function in udp out don't working if more than 1.35 Mbps
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Reporter: Dominique | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: tools
Version: 6.1.1 | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Description changed by Dominique:
Old description:
> "Bitrate" function in udp out don't working if more than 1.35 Mbps on
> Windows with differents versions of ffmpeg 5 6 7 and on Windows10
> In live stream with codec libx264 or 265 or hevc_qsv or hevc_nvenc:
> This fonction work properly with bitrate < 1350kbs With differents
> computer or ffmpeg 5 or 6 or 7 the flow is always limited to 1350kbs with
> bitrate > 1350kbs on windows.
> Example: "-f mpegts -muxrate 2000000
> udp://192.168.0.30&bitrate=2000000&overrun_nonfatal=1&fifo_size=262140&buffer_size=262140
> I read that someone encountered this problem on Windows but not on Linux
> but I can't test it
> I try setting/increasing burst_bits without modification.
> This fonction is need to test dvb experimentation with constant flow.
>
> example with bitrate 2644506 bps analyse with TSReaderLite:
> [[Image(C:\Users\Dom\Desktop\flow1.JPG)]]
New description:
"Bitrate" function in udp out don't working if more than 1.35 Mbps on
Windows with differents versions of ffmpeg 5 6 7 and on Windows10
In live stream with codec libx264 or 265 or hevc_qsv or hevc_nvenc:
This fonction work properly with bitrate < 1350kbs With differents
computer or ffmpeg 5 or 6 or 7 the flow is always limited to 1350kbs with
bitrate > 1350kbs on windows.
Example: "-f mpegts -muxrate 2000000
udp://192.168.0.30&bitrate=2000000&overrun_nonfatal=1&fifo_size=262140&buffer_size=262140
I read that someone encountered this problem on Windows but not on Linux
but I can't test it
I try setting/increasing burst_bits without modification.
This fonction is need to test dvb experimentation with constant flow.
example with bitrate 2644506 bps analyse with TSReaderLite:
[[Image(flow1.JPG)]]
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Ticket URL: <https://trac.ffmpeg.org/ticket/11033#comment:1>
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