[FFmpeg-user] FFMPEG Streaming over UDP unicast works fine, Broadcast: Frameloss, Latency

[Roger Pack]

Maybe your router is introducing it? I've had excellent latency over
broadcast before...

On 1/25/15, Yafes Sahin <yafes7-at-yahoo.de at ffmpeg.org> wrote:
> Hi,
>
> Status: i am successfully streaming to a nexus9 over udp to mxplayer:-f
> dshow -i video="Blackmagic WDM Capture" -pix_fmt yuv420p -r 100 -an -vcodec
> libx264 -crf 40 -preset ultrafast -tune zerolatency -threads 8 -thread_type
> slice -f mpegts udp://192.168.1.197:1234
> Latency is very good, i have about 60ms in average
>
> Question: but streaming to broadcast causes about 4 seconds delay?
> -f dshow -i video="Blackmagic WDM Capture" -pix_fmt yuv420p -r 100 -an
> -vcodec libx264 -crf 28 -preset ultrafast -tune zerolatency -threads 8
> -thread_type slice -f mpegts udp://192.168.1.255:1234
> Is there any bottleneck when streaming to broadcast address?
>
> Some side info for the command:-The input stream is 24frames, but i am
> setting it to -r 100 to get more throughput, with -r 24 i have 1 seconds
> delay- -crf is used experimentall for now
> Thank you very much
>
>
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