12
votes
Jury-rig second monitor on school lectern?
I had a similar situation of needing to get presenter view in a classroom. If the computer isn't too locked down, the simplest solution is to connect a display via USB.
The most common technology used ...
- 3,313
8
votes
Jury-rig second monitor on school lectern?
Unfortunately, the lectern computers were all installed in a way that they only have a single video output, and the projector can only show a duplicate of what's on the lectern monitor itself. (My ...
- 430k
4
votes
Jury-rig second monitor on school lectern?
Having worked in IT in education, you're quite a distance from the "regular" user level. Academics come in all technical skill levels, which don't correlate with their talent nor their ...
- 2,371
2
votes
How to effectively use ffplay with -bsf?
As has been mentioned in some comments, since you want to seek while using ffplay, you cannot use pipes, but you'll have to let ffmpeg.exe write a temporary file which is then passed to ffplay.
The ...
- 5,507
2
votes
Accepted
ffmpeg nvenc throws an error after I modified an x264 command
The following command may work:
ffmpeg -y -hwaccel cuda -hwaccel_output_format cuda -i video.mkv -i logo.png -filter_complex "[0:v]scale_cuda=format=yuv420p,hwdownload[v0];[1:v]format=rgba,...
- 1,692
1
vote
Accepted
How to effectively use ffplay with -bsf?
This bash script does the trick:
ffmpeg -v warning -i "$1" -bsf:v "$2=$3=$4" -c copy "temp.${1##*.}"
ffplay "temp.${1##*.}"
rm "temp.${1##*.}"
...
- 185
Only top scored, non community-wiki answers of a minimum length are eligible