Rank: Newbie
Groups: Registered
Joined: 6/5/2020(UTC) Posts: 1 Location: Texas
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Hey all, I am not very skilled at video recording and mixing, so this might be a rookie question. If so, I apologize. I am currently using vMix for recording both my camera and desktop. I am going to get to streaming once I get recording figured out. So far, the biggest issue is what appears to be dropped frames. The video is a bit choppy. When I look at the statistics, here is what I get: vMix Statistics PageIn case you can't see it, my Cam Link 4k source has 1628 Renderer Dropped and 1038 in the Resync column. I am not sure what this all means, and the documentation didn't help me much (not the documentation's fault - I'm not up on video rendering terms). I am using the FFMPEG capture with the following settings: Size: 1920x1080 Frame Rate: NTSC 29.97p Codec: MPEG-2 Format: Transport Stream (ts) Video Quality: 50M Audio Quality: 384k My camera is a Sony Alpha a5100. I am using a HDMI cable into a Cam Link 4K device, which is plugged in USB3 directly to the motherboard. The rest of my PC specs are: Video Card: NVideo GeForce RTX 2070 RAM: 32GB Processor: Intel i7-7700K 4.2GHz OS: Windows 10 Pro 64bit Hard Drive: 1TB NVMe M.2 SSD plugged directly into the motherboard Can you help point me in the right direction of what I am doing wrong? One quick note: I am using Handbrake to convert the ts file to MP4 at the end but that does not seem to be the issue. Thanks for looking.
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Rank: Advanced Member
Groups: Registered
Joined: 10/13/2012(UTC) Posts: 1,162 Location: Melbourne Thanks: 220 times Was thanked: 199 time(s) in 181 post(s)
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Try lowering the bitrate from 50M to 25M.... or recording directly to mp4....or use the vMix Avi codec. It sounds as if something on your PC is throttling the i/o of your hard drive.
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