When I do
camera_fb_t * fb = esp_camera_fb_get();
It looks like the fb->buf[4] == '\0', but fb->len is in the 5000. When I try sending fb->buf through a websocket, only the first 4 characters get sent. Anyone knows how to send the whole fb->buf instead?
Found a way to figure it out. The diagram on https://github.com/m5stack/m5stack-cam-psram/tree/NoPsram shows the GPIOs for the ESPCAM and apparently the D2 (pixel data Bit 0) is IO17 instead of IO32. Now the camerawebserver works (except for the LED not turning on but not a big deal).
I got the ESP32Cam. The AP+webserver that streams videos works fine. Good news.
On the other hand, the CameraWebServer does not. It all seems fine, I can see the webpage with all the video controls, but when I press on 'start streaming', nothing happens.
I am fine working out how to fix this, but I'd need the source code for the firmware so I can double check the settings (mostly GPIO pins I guess) that make the built-in version work fine.