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HDMI sound + other HDMI questions
#1
Tried playing with HDMI for the first time today.

1) HDMI on the fly switch - was it supposed to work yet or not? When I plug in HDMI nothing happens, I need to go to menu, enable HDMI, it shuts down, then need to start again, then HDMI works. Feels like a lot of trouble just for getting HDMI on.

2) When playing or browsing video previews, audio comes from RetroStone and not from TV, how to get this as automatic a possible? If not automatic, how to switch it manually?

3) Aspect ratio / resolution. I'm not sure if 16:9 works for NES for example, should it be 4:3? But I I switch to 4:3 from TV, everything looks squashed. What's the deal here, how this should work?
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#2
1) feature still in development: https://www.kickstarter.com/projects/583...ts/2831539
2) HDMI audio is not yet supported in kernel: https://linux-sunxi.org/Linux_mainlining_effort
3) You can open Retroarch menu and change Settings - Video - Scaling (use Overrides option from quick menu to save your changes) or tweak retroarch configuration file directly - /opt/retropie/configs/all/retroarch.cfg or platform specific /opt/retropie/configs/nes/retroarch.cfg . aspect_ratio_index = "21" should be fine
from retroarch documentation: 19 = Config, 20 = 1:1 PAR, 21 = Core Provided, 22 = Custom Viewport
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#3
Thanks, I'll try these. Too bad about HDMI audio as it's kinda the point in HDMI, but having high hopes for the support.
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#4
HDMI audio patch is being submitted/reviewed by OLIMEX, so it should be there soon
in the meantime, i use a 3.5mm AV cable to output the audio
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