ff_vk_free_buf    440 libavfilter/vf_overlay_vulkan.c     ff_vk_free_buf(avctx, &s->params_buf);
ff_vk_free_buf    482 libavfilter/vf_scale_vulkan.c     ff_vk_free_buf(avctx, &s->params_buf);
ff_vk_free_buf    374 libavfilter/vulkan.h void ff_vk_free_buf(AVFilterContext *avctx, FFVkBuffer *buf);