Problems recording Megadrive / Genesis gameplay

RetroArch Linux devices
#1

There are many cores that emulate the Megadrive in RetroArch, but none of them will record properly for me.

Genesis Plus GX: Runs for a few seconds, then segfaults.

Picodrive: Records fine but stretches video to 320x240, should be 320x224.

MESS 2014: Core does not load. Tried building from source, no change.

UME 2014: Says “Restarted recording due to driver reinit”, runs for a few seconds, segfaults.

MAME: Resolution is messed up. Says “Restarted recording due to driver reinit”, runs for a few seconds, segfaults.

If I set video_gpu_record to “true”, turn off bilinear filtering and turn on integer scaling, most cores output pixel-accurate video, but this isn’t necessary for most other non-Megadrive cores. I’m not sure what’s up with the MESS core.

Does anyone else have similar problems? I’m using v1.3.6 on Arch Linux. Thanks.

#2

Yeah, genplus indeed segfaults for me, too. For picodrive, you might try playing with some settings in its libretro.c/pp, as the issue is probably related to the reported frame size. For that matter, I think genplus’ issue might be a result of misreported frame times.