Streaming failure in retroarch flatpak

[BENDER35]

Hi guys, you see, I have a problem with retroarch flatpak when streaming from the original roms I have (the sega megadrive classics ones), you see, when starting the stream from for example goldenaxe 1, I get an error in a codec in the terminal and the "start streaming" button doesn't change, it just stays there.

the codec is libx264, when clicking "start recording" that works, what doesn't is the "start streaming" one, that's the one that stays there.

my computer is an intel core I5-2320, with 8 GB, intel graphics 2000, realtek high definition audio and linux mint 22 XFCE (without dual boot)

I'm sending a screenshot of what I get in the terminal.

could you help me, please?

SALU2