Function av_input_video_device_next

pub unsafe extern "C" fn av_input_video_device_next(
    d: *const AVInputFormat,
) -> *const AVInputFormat
Expand description

Video input devices iterator.

If d is NULL, returns the first registered input audio/video device, if d is non-NULL, returns the next registered input audio/video device after d or NULL if d is the last one.