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NDI Multicast support - Support the multicast ablities of NDI Options  Watch this topic  Print this topic » Normal Threaded

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stevespaw		#1 Posted : Friday, December 7, 2018 11:30:57 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 3/12/2015(UTC) Posts: 482 Location: Kansas City, MO USA Thanks: 151 times Was thanked: 75 time(s) in 57 post(s)		I am looking at a project that could really use the output of vMix to support NDI multicast. I need high quality output in several locations on an enterprise multicast enabled network. Is it something that is difficult? I thought that NDI 3.5+ just supported it. Other users on the forum have confirmed that it is not working on the vMix output. Thanks, Steve PS. I do admit that there would have to be a BIG button to turn it on. I have crashed several networks by doing some FFMPEG multicast without confirming that the network was enabled for multicast with IGMP snooping turned on :-).
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DWAM		#2 Posted : Saturday, December 8, 2018 12:26:25 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 3/20/2014(UTC) Posts: 2,721 Location: Bordeaux, France Thanks: 243 times Was thanked: 794 time(s) in 589 post(s)		Hi Steve Do you really think that a 125 Mbits NDI feed offers superior image quality than a 25 Mbits TS/UDP ? > for viewing only for sure Besides this requires a NDI player installed on all hosts on the network instead of a basic VLC instance... Not to mention corporate computers are maybe not powerful enough... Unless it's for production use cases, I really cannot consider NDI a good delivery protocol for end_users. I give this FR my +1 but I'm very suspicious how usable and appropriate this would be in real life Guillaume
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1 user thanked DWAM for this useful post.		mjgraves on 12/8/2018(UTC)
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stevespaw		#3 Posted : Saturday, December 8, 2018 12:54:13 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 3/12/2015(UTC) Posts: 482 Location: Kansas City, MO USA Thanks: 151 times Was thanked: 75 time(s) in 57 post(s)		Originally Posted by: DWAM Hi Steve Do you really think that a 125 Mbits NDI feed offers superior image quality than a 25 Mbits TS/UDP ? > for viewing only for sure This would be 4K streams in a Museum Quality environment - yes Originally Posted by: DWAM Hi Steve Besides this requires a NDI player installed on all hosts on the network instead of a basic VLC instance... Not to mention corporate computers are maybe not powerful enough... Studio Monitor is easier to install and takes less knowledge to operate than VLC. NDI takes less CPU than H265 for 4K. Originally Posted by: DWAM Hi Steve Unless it's for production use cases, I really cannot consider NDI a good delivery protocol for end_users. I give this FR my +1 but I'm very suspicious how usable and appropriate this would be in real life Guillaume Also looking at some cases for alpha-channel overlay in this. Also in Production Trucks, many times the signal goes to several places. Multicast would be very valuable. Thanks, Steve
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mjgraves		#4 Posted : Saturday, December 8, 2018 1:46:17 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 7/1/2015(UTC) Posts: 1,151 Location: Houston TX Thanks: 319 times Was thanked: 263 time(s) in 233 post(s)		Originally Posted by: stevespaw NDI takes less CPU than H265 for 4K. Maybe for encoding, but for playback just about every GPU has H26x hardware acceleration that offloads the CPU burden. I share DWAMs view on this. NDI is not really for delivery. That said, people always adapt things to their specific purposes.
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DWAM		#5 Posted : Saturday, December 8, 2018 2:02:14 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 3/20/2014(UTC) Posts: 2,721 Location: Bordeaux, France Thanks: 243 times Was thanked: 794 time(s) in 589 post(s)		Quote: Also in Production Trucks, many times the signal goes to several places. Multicast would be very valuable. Yeah, this is the reason of my +1
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stigaard		#6 Posted : Saturday, December 8, 2018 9:19:03 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/20/2015(UTC) Posts: 493 Location: Copenhagen, Denmark Thanks: 398 times Was thanked: 100 time(s) in 79 post(s)		+1
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TFMG		#7 Posted : Saturday, December 8, 2018 10:49:06 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 2/18/2018(UTC) Posts: 39 Thanks: 8 times Was thanked: 2 time(s) in 2 post(s)		+1 For live sport, enabling multicast would allow less resource intensive outputs to commentator and intermission host monitors, as well as feeding in arena screens at sub-second latency - crucial for covering live sport.
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lael		#8 Posted : Thursday, December 13, 2018 6:12:10 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 2/18/2017(UTC) Posts: 75 Thanks: 22 times Was thanked: 4 time(s) in 4 post(s)		+1 NDI multicast... so much goodness... :)
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ClementN		#9 Posted : Monday, March 4, 2019 5:46:19 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/7/2012(UTC) Posts: 185 Location: Bucharest Thanks: 48 times Was thanked: 13 time(s) in 11 post(s)		+1
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richardgatarski		#10 Posted : Monday, March 4, 2019 6:07:06 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 2/18/2014(UTC) Posts: 1,838 Location: Stockholm Thanks: 144 times Was thanked: 297 time(s) in 250 post(s)		+1
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ggudnason		#11 Posted : Monday, March 4, 2019 6:13:57 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 11/21/2014(UTC) Posts: 41 Thanks: 4 times Was thanked: 8 time(s) in 7 post(s)		+1
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Geoff B		#12 Posted : Thursday, July 9, 2020 3:10:51 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/10/2020(UTC) Posts: 104 Location: Sacramento, California Thanks: 13 times Was thanked: 5 time(s) in 5 post(s)		+1
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mavik		#13 Posted : Friday, July 10, 2020 9:42:18 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 4/23/2017(UTC) Posts: 1,231 Location: Germany Thanks: 3 times Was thanked: 168 time(s) in 150 post(s)		+1
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PeterH		#14 Posted : Saturday, July 11, 2020 5:17:49 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/25/2018(UTC) Posts: 73 Was thanked: 6 time(s) in 6 post(s)		+1
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Geoff B		#15 Posted : Saturday, July 11, 2020 5:43:41 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/10/2020(UTC) Posts: 104 Location: Sacramento, California Thanks: 13 times Was thanked: 5 time(s) in 5 post(s)		+1
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admin		#16 Posted : Saturday, July 11, 2020 1:12:16 PM(UTC)
Rank: Administration Groups: Administrators Joined: 1/13/2010(UTC) Posts: 5,228 Location: Gold Coast, Australia Was thanked: 4332 time(s) in 1528 post(s)		This is already possible, Multicast is controlled with the NDI Access Manager program installed with NDI Tools. https://www.ndi.tv/
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2 users thanked admin for this useful post.		vvcvvc on 7/13/2020(UTC), eduardocfs on 7/17/2020(UTC)
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hadphild		#17 Posted : Monday, August 24, 2020 8:31:21 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 5/28/2020(UTC) Posts: 49 Location: UK Was thanked: 4 time(s) in 3 post(s)		+1
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ruudboon		#18 Posted : Friday, November 6, 2020 6:10:22 AM(UTC)
Rank: Member Groups: Registered Joined: 7/3/2020(UTC) Posts: 17 Location: Amsterdam		+1
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MartijnVanBommel		#19 Posted : Tuesday, November 9, 2021 4:48:36 AM(UTC)
Rank: Newbie Groups: Registered Joined: 11/9/2021(UTC) Posts: 1 Location: Breda		+1
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pm		#20 Posted : Tuesday, November 9, 2021 8:21:19 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 11/28/2015(UTC) Posts: 184 Thanks: 10 times Was thanked: 32 time(s) in 27 post(s)		see post #16: already possible...
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