On Wed, 1 Jul 2020 at 12:06, Hamilton Tobon Mosquera <[email protected]>
wrote:
> Hi there,
>
> I'm struggling to get some simple code working. I'm trying to open the
> device /dev/video0 which is a camera module in a Rasperry pi. I already
> set up everything. I activated the camera in the Rasperry
> configurations. The module bcm2835-v4l2 is loaded. I can even record
> video using the ffmpeg command. But when I use the API function
> av_find_input_format("video4linux2"), it does not work. I tried with
> "v4l2" and "Video4Linux2". I tried calling avformat_open_input(...,
> "/dev/video0", ...) with "file:/dev/viode0" also, but none of these API
> calls work. Can you please help me?, I don't know what I'm missing.
>
Hi Hamilton,
Looking at the code you may need to call avdevice_register_all(); first
Andriy
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