As so we are not scaling them in any way as we don't need to. We are taking a couple of shortcuts here, one is that we know the resolution of the incoming streams (852x480) and that they fit nicely side by side on a Full HD background canvas. The resulting video is compressed to h264 format, tuned for low latency, key frames forced every 20 frame and encapsulated in flv for the rtmp ingestion. Last the video and audio are mapped to the output. Last the logo is placed in the middle.Ī dummy null audio (silence) is added to make some rtmp ingestion services happy with the stream (YouTube does not like a video only stream). The two video streams and are padded with a black border vertically aligned in the middle and horizontaly aligned on the left and right sides and overlayd on the background image. What the command does is load a background image (1920x1080) as video, two live streams as video and and a logo as video. c:v libx264 -pix_fmt yuv420p -tune zerolatency -crf 28 -x264-params keyint=20:scenecut=0 The FFmpeg command used is (we will break down and explain everything!): ffmpeg We also add a null audio so that YouTube is happy with the stream. We specify the image background, two streams and a watermark image as inputs to FFmpeg, setup a filter to compose these. This is an example on how to combine two live webcam streams over a background image with a watermark/logo. Click the '+' located under the 'Effects Filters' section. Right click on the layer you wish to apply a filter to then select 'Filters'. Make sure the video layer you want to use an image mask on is the top layer. If you also include a substitle stream, it is further reduced.1. So if you have a 192kbit/s audio stream, then you can only stream at most 8.308mbit/s of video, which often has slight variations in bitrate, so 8.200mbit/s is safer. The maximum total bitrate they accept is 8.5mbit, which contains all audio, video and subtitle streams.
One of the most robust plug-ins you can use is StreamFX. If you're using Stream Elements OBS you have even more options for filters thanks to the program being open source, sorry Stream Labs users. Regardless of how useful these filters are, they can not make up for poor lighting. C:\Program Files\OBS\ -> everything goes into the plugins folder On a 64bit Windows the installer sets up both the 32bit and the 64bit version for you. XSplit VCam offers professional-level background replacement, removal, and blurring that's possible with any webcam and without the need for expensive green screens.
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