- Posts: 13
- Joined: Sat Jan 06, 2018 7:55 pm
I modified the Linux Capture sample to maintain time duration between StartStreams call and VideoInputFrameArrived callback, I observed the following output:
- Code: Select all
$ ./Capture -d 1 -m 8
Capturing with the following configuration:
- Capture device: DeckLink Mini Recorder 4K
- Video mode: 1080i59.94
- Pixel format: 8 bit YUV (4:2:2)
- Audio channels: 2
- Audio sample depth: 16 bit
Elapsed time since StartStreams: 0.068226 ns
Frame received (#0) [No timecode] - Valid Frame - Size: 4147200 bytes
Elapsed time since StartStreams: 0.101405 ns
Frame received (#1) [No timecode] - Valid Frame - Size: 4147200 bytes
Elapsed time since StartStreams: 0.134734 ns
Frame received (#2) [No timecode] - Valid Frame - Size: 4147200 bytes
Elapsed time since StartStreams: 0.168110 ns
Frame received (#3) [No timecode] - Valid Frame - Size: 4147200 bytes
Elapsed time since StartStreams: 0.201475 ns
Frame received (#4) [No timecode] - Valid Frame - Size: 4147200 bytes
Are you able to provide further details on your setup (eg video mode, automatic mode detection enabled/disabled, OS + version, Desktop Video version)?
Regards
Cameron Nichols