h.265 HEVC SRT input error - HEVC stream to vMix fails Options  Watch this topic  Print this topic » Normal Threaded

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NickN		#1 Posted : Thursday, October 24, 2024 8:17:44 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		v27.0.0.85. I have the HEVC codec installed on the machine and have confirmed that it can playback a local file using media player. I can send h.264 SRT stream to vMix without issues but when I send h.265 I get this error .... error: failed to configure output type. SRT listener.Decode Thread I successfully stream h.265 from this same camera source to other end points without problems but for some reason vMix is failing. Any ideas?
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BARP		#2 Posted : Thursday, October 24, 2024 3:25:02 PM(UTC)
Rank: Member Groups: Registered Joined: 10/14/2022(UTC) Posts: 17 Thanks: 2 times Was thanked: 2 time(s) in 2 post(s)		What version of Windows are you on? Did you buy the $1 HEVC decoding license from the Windows Store? https://apps.microsoft.c...7r3t7?hl=en-US&gl=US
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NickN		#3 Posted : Friday, October 25, 2024 5:54:02 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		Originally Posted by: BARP What version of Windows are you on? Did you buy the $1 HEVC decoding license from the Windows Store? https://apps.microsoft.c...7r3t7?hl=en-US&gl=US Yes. Purchased, installed and confirmed HEVC playback via local video file on machine. Win10 Pro
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BARP		#4 Posted : Friday, October 25, 2024 6:15:12 AM(UTC)
Rank: Member Groups: Registered Joined: 10/14/2022(UTC) Posts: 17 Thanks: 2 times Was thanked: 2 time(s) in 2 post(s)		Ok, good. Under Settings -> Performance, do you have more than one option? It's possible, if you have both on-board graphics and a GPU, it could be doing something weird. If so, you may want to go into the nVidia control panel and "pin" vMix to use that GPU exclusively.
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NickN		#5 Posted : Friday, October 25, 2024 7:15:11 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		Only a Tesla T4 option. I found a NVIDIA menu to "manage 3D settings" that 20+ different features (Antialiasing, CUDA GPUs, Overlay enable, etc) can be specified for vMix. Any idea what setting(s) might need to be tweaked? Thanks!
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BARP		#6 Posted : Friday, October 25, 2024 7:39:16 AM(UTC)
Rank: Member Groups: Registered Joined: 10/14/2022(UTC) Posts: 17 Thanks: 2 times Was thanked: 2 time(s) in 2 post(s)		Since this is related to HEVC decoding. I would start with any kind of encode/decode stuff (like nVenc)
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NickN		#7 Posted : Saturday, October 26, 2024 4:32:19 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		No luck with any of that optimization. If I untick "Use Hardware Encoder" on the vMix input I do get an image displayed with h.265 but it's garbage and not decoding properly. Looks like it's missing a color channel and pixel information,
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nikosman88		#8 Posted : Saturday, October 26, 2024 5:08:35 AM(UTC)
Rank: Advanced Member Groups: Registered Joined: 12/24/2021(UTC) Posts: 543 Location: athens Thanks: 130 times Was thanked: 74 time(s) in 70 post(s)		Originally Posted by: NickN Only a Tesla T4 option. I found a NVIDIA menu to "manage 3D settings" that 20+ different features (Antialiasing, CUDA GPUs, Overlay enable, etc) can be specified for vMix. Any idea what setting(s) might need to be tweaked? Thanks! Is your system local pc or in cloud? And if local you have another gpu for display? Because i see that this kind of GPU doesnt have outputs. Vmix doesnt suggest 2 gpu in same system,so maybe something happens there. Or look maybe for another gpu driver?
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BARP		#9 Posted : Saturday, October 26, 2024 6:08:37 AM(UTC)
Rank: Member Groups: Registered Joined: 10/14/2022(UTC) Posts: 17 Thanks: 2 times Was thanked: 2 time(s) in 2 post(s)		Originally Posted by: NickN No luck with any of that optimization. If I untick "Use Hardware Encoder" on the vMix input I do get an image displayed with h.265 but it's garbage and not decoding properly. Looks like it's missing a color channel and pixel information, Well, garbage we can do something about. If you look in the Stats window in the SRT tab, if you're getting more than 25% packet loss (the default reserve bandwidth setting for SRT), try re-adding the source using a higher latency setting. I did a game where the 4G modems had more than 30% packet loss and bumping the latency up to 5000ms (yes, 5 seconds) totally fixed it.
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NickN		#10 Posted : Saturday, October 26, 2024 6:23:59 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		Is your system local pc or in cloud? And if local you have another gpu for display? Because i see that this kind of GPU doesnt have outputs. Vmix doesnt suggest 2 gpu in same system,so maybe something happens there. Or look maybe for another gpu driver? It's an AWS EC2 g4dn.8xlarge
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NickN		#11 Posted : Saturday, October 26, 2024 6:24:59 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		Originally Posted by: BARP Originally Posted by: NickN No luck with any of that optimization. If I untick "Use Hardware Encoder" on the vMix input I do get an image displayed with h.265 but it's garbage and not decoding properly. Looks like it's missing a color channel and pixel information, Well, garbage we can do something about. If you look in the Stats window in the SRT tab, if you're getting more than 25% packet loss (the default reserve bandwidth setting for SRT), try re-adding the source using a higher latency setting. I did a game where the 4G modems had more than 30% packet loss and bumping the latency up to 5000ms (yes, 5 seconds) totally fixed it. I will try that.
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NickN		#12 Posted : Saturday, October 26, 2024 6:31:19 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		Well, garbage we can do something about. If you look in the Stats window in the SRT tab, if you're getting more than 25% packet loss (the default reserve bandwidth setting for SRT), try re-adding the source using a higher latency setting. I did a game where the 4G modems had more than 30% packet loss and bumping the latency up to 5000ms (yes, 5 seconds) totally fixed it. vMix reporting 0% packet loss. I tried upping the latency anyway. No change.
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NickN		#13 Posted : Saturday, October 26, 2024 6:32:35 AM(UTC)
Rank: Newbie Groups: Registered Joined: 10/24/2024(UTC) Posts: 8 Location: LoCal		Originally Posted by: NickN Is your system local pc or in cloud? And if local you have another gpu for display? Because i see that this kind of GPU doesnt have outputs. Vmix doesnt suggest 2 gpu in same system,so maybe something happens there. Or look maybe for another gpu driver? It's an AWS EC2 g4dn.8xlarge We tried some different drivers previously with no luck. The different drivers actually totally dorked the NiceDCV screen mirroring.
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