How can I tell if a video has a variable frame rate? - Super User
Sep 29, 2019 · And check for the avg_frame_rate parameter of the desired video stream. If the value of this parameter is a fraction like this "avg_frame_rate": "1205285219/50270287" with a …
How to obviously see every frame per second to check if the …
Jul 20, 2018 · Maybe there's a similar test to determine the exact displayed framerate? Is there a way to make every updated frame per second obvious on the screen so that I could see it with …
video - FFMPEG / libx264: How to specify a variable frame rate but …
30 Instead of providing a fixed frame rate to FFMPEG/libx264 (-r/-framerate), I would like to specify a variable frame rate with a MAXIMUM value, and allow libx264 to down the frame rate …
How to test Bit Error Rates on Ethernet Networks? - Super User
Ethernet frames are checksummed by a CRC, which is computed frame by frame. So you can't detect individual bit errors, you only know that a frame has a bad CRC.
video - Why am I getting dropped and duplicate frames with …
Oct 15, 2025 · Edit: This question might also have been phrased: Why do I get a constant frame rate using ffmpeg 3.4 when ffmpeg 8 gives a variable frame rate, using the same command? I …
How to find out the maximum framerate of a webcamera?
Apr 2, 2012 · How can I get maximum frame rate from a webcam?
Display current monitor refresh rate (FreeSync test)
Jul 20, 2021 · Is there any way to display the current monitor refresh rate? I have a monitor that supports FreeSync, and an Nvidia graphics card on Windows 10. I have enabled G-Sync …
framerate - How can I test frame-rate on the PC? - Super User
Oct 12, 2015 · For any videogame, is there some sort of program for the PC that allows you to measure frame-rate over a period of time (similar to a DigitalFoundry video)?
v4l2 - How to know which framerate should I use to capture
Apr 3, 2015 · You issued a command v4l2-ctl --list-formats-ext and the output indicates the supported frame rate and resolution of the source device It literally indicates that 30 fps is the …
How to check if a given subtitle file is the right one - Super User
Dec 9, 2016 · Either way, the presentation timestamps of the subtitles don't match anymore, since they're not aligned to frames, but timecodes. Since the presentation timestamp of a frame can …