From 48b9c680ec74f7aa9c1479f929b990899e380f46 Mon Sep 17 00:00:00 2001 From: arf20 Date: Sat, 15 Feb 2025 13:53:09 +0100 Subject: arfvcr progress --- projects/arfvcr/index.html | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'projects/arfvcr/index.html') diff --git a/projects/arfvcr/index.html b/projects/arfvcr/index.html index e72d097..08a02fb 100644 --- a/projects/arfvcr/index.html +++ b/projects/arfvcr/index.html @@ -73,7 +73,7 @@ tally signal in (from VCR: switches the viewfinder and monitor headphone jack to AV in). Now, slight problem. I don't know how the signaling is supposed to work. start/stop and rec/review aren't simple HIGH/LOW signals, they have no voltage when hitting the reflected buttons. - The camera also doesn't respond to a LOW or HIGH on the tally sig in, 5 nor 12V. + The camera also doesn't respond to a LOW or HIGH on the tally sig in, 5 nor 12V, maybe open drain(?). I should review the public schematics for the thing and figure it out. Also, the audio out appears to be quiet.

@@ -94,11 +94,12 @@

Because this is a headless device and I shouldn't need a console to hit record (although the raspi creates a WiFi network to ssh into), I had to write - some software to trigger ffmpeg; so I wrote a daemon in C that reads GPIO pins from the front - panel or the camera (explained later) to start and stop the capture. + some software to trigger ffmpeg; so I wrote a daemon in C that reads a GPIO pins from a record front + panel toggle switch or the camera (start/stop signal - explained before) to start and stop + the capture, and a record status LED that turns on only if ffmpeg has open the capture card. All of this is GPL available at github.

- +
-- cgit v1.2.3