Multitrack audio over RTMP Options  Watch this topic  Print this topic » Normal Threaded

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danrossi		#1 Posted : Thursday, July 25, 2019 8:17:44 AM(UTC)
Rank: Newbie Groups: Registered Joined: 7/25/2019(UTC) Posts: 5 Was thanked: 1 time(s) in 1 post(s)		I am trying to test a multi track video with alternate language tracks over RTMP to Wowza as a proof of concept. Only two channels and one track is sent. Is there a way to make this work. Or can this software publish as mpeg-ts ?
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Lennart		#2 Posted : Monday, July 29, 2019 6:57:03 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 11/9/2014(UTC) Posts: 105 Location: Copenhagen, Denmark Thanks: 22 times Was thanked: 16 time(s) in 15 post(s)		I think you might be able to use the FFMPEG option to manually set it up for that. Found some hints to multiple audio tracks here: https://video.stackexchange.com/questions/21734/ffmpeg-video-conversion-with-multiple-audio-tracks I honestly don't know enough about it to find the exact commands you'd need, I'd actually like to find a way of doing this my self.
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desmar		#3 Posted : Monday, July 29, 2019 9:49:38 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 8/21/2015(UTC) Posts: 324 Location: Cornwall, Ontario, Canada Thanks: 18 times Was thanked: 80 time(s) in 60 post(s)		vMix only does 1 video and 1 (L + R) audio track. Even though FFMPEG does support multi-channel audio, vMix does not use that feature of FFMPEG..
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dark_ata		#4 Posted : Thursday, August 8, 2019 10:28:46 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 8/10/2015(UTC) Posts: 129 Location: Tenerife Thanks: 11 times Was thanked: 18 time(s) in 13 post(s)		it is possible in the streaming setting you can change the audio for ALL of the destinations, we usually send the 2-4 languages and in the master server split the audio using ffmpeg.
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IceStream		#5 Posted : Friday, August 9, 2019 8:31:02 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 3/7/2012(UTC) Posts: 2,636 Location: Canada Thanks: 33 times Was thanked: 506 time(s) in 475 post(s)		@ danrossi Actually, vMix can send different audio busses to each stream destination. (Master, Bus A and Bus B as selected in Stream Audio settings). If your Video is multi-track however, you may not be able to playback alternate tracks as vMix only supports two channel stereo playback of video files. Ice
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danrossi		#6 Posted : Friday, August 9, 2019 8:32:44 PM(UTC)
Rank: Newbie Groups: Registered Joined: 7/25/2019(UTC) Posts: 5 Was thanked: 1 time(s) in 1 post(s)		Its ok thanks. I'm testing UDP with OBS and hopefully SRT.
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Barney Box Lane		#7 Posted : Friday, August 9, 2019 8:50:02 PM(UTC)
Rank: Advanced Member Groups: Registered Joined: 8/21/2017(UTC) Posts: 319 Location: Uk Thanks: 26 times Was thanked: 33 time(s) in 29 post(s)		requested that to newtek (ndi) so would be worth following up as they're looking into ideas
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