Function ffmpeg_sys_next::avdevice_capabilities_create

pub unsafe extern "C" fn avdevice_capabilities_create(
    caps: *mut *mut AVDeviceCapabilitiesQuery, 
    s: *mut AVFormatContext, 
    device_options: *mut *mut AVDictionary
) -> c_int

Initialize capabilities probing API based on AVOption API.

avdevice_capabilities_free() must be called when query capabilities API is not used anymore.

@param[out] caps Device capabilities data. Pointer to a NULL pointer must be passed. @param s Context of the device. @param device_options An AVDictionary filled with device-private options. On return this parameter will be destroyed and replaced with a dict containing options that were not found. May be NULL. The same options must be passed later to avformat_write_header() for output devices or avformat_open_input() for input devices, or at any other place that affects device-private options.

@return >= 0 on success, negative otherwise.