Function ffmpeg::ffi::av_hwframe_ctx_create_derived

pub unsafe extern "C" fn av_hwframe_ctx_create_derived(
    derived_frame_ctx: *mut *mut AVBufferRef,
    format: c_int,
    derived_device_ctx: *mut AVBufferRef,
    source_frame_ctx: *mut AVBufferRef,
    flags: c_int
) -> c_int