It is preferable to use the WDM Decklink driver, rather than the dshow support, with ffmpeg (or in fact any Windows software).This requires using a version of ffmpeg that has the Blackmagic WDM drivers included (see my downloads page for a possible source). To use WDM Decklink driver, use a command like this: ffmpeg -f … Continue reading FFMPEG WDM Capture for Decklink Cards.
Want to create thumbnails from video files or convert from .ts to .mp4? FFMPEG can do it but the command line can be a bit tricky to figure out. There is a nice .Net library for automating ffmpeg that can be used in PowerShell. See NrecoSite Example PowerShell:
I picked up an old Sony BVS-3200 broadcast vision mixer from ebay (my first experience of the Global Shipping program and it actually works). I'm still undecided whether I will be able to use the panel through the existing serial interface (need to get a frame to decode the messages), rip out the microprocessor and … Continue reading Sony BVS T-Bar reused
You can include PowerShell commands to change the default device (for playback and recording) using PowerShell Using this GitHub project https://github.com/jtheller/AudioDeviceCmdlets/tree/ce0bd480e96e934621c5ca6f846a65830c1a74d3 I found this useful when using a DVI Extender that would change the default audio to itself even though it required the main sound card to provide the audio into it. Just install using … Continue reading Frustrated with Windows default audio device changing?
I finally sorted the code for enumerating the collection of super source boxes in the 2 M/E and tested it this weekend. Download the latest version here… Output PS C:\Users\imorrish> $SSBoxes | ft Enabled InputSource PositionX PositionY Size Cropped CropTop CropBottom CropLeft CropRight ------- ----------- --------- --------- ---- ------- ------- ---------- -------- --------- 1 1 … Continue reading ATEM SuperSource Box configuration using PowerShell script
The software panel is a but cumbersome when it comes to making a lot of settings that involve size and position of effects. I have provided a few examples of making adjustments to things like chroma key settings using a midi device but probably the ultimate in complexity is setting the super source parameters and … Continue reading ATEM SuperSource Box Configuration UI
The last time I tried to get this combination of camera and Camera Control Unit (CCU/RCP/ROP - what ever you want to call it) working it took almost a day of searching for the required configuration settings and firmware versions. After finally getting it to work I was sure I had documented it but when … Continue reading Panasonic PXW270 camera and AK-HRP200 CCU configuration