av_image_fill_black 162 libavcodec/wcmv.c av_image_fill_black(s->prev_frame->data, linesize, avctx->pix_fmt, 0, av_image_fill_black 268 libavutil/imgutils.h int av_image_fill_black(uint8_t *dst_data[4], const ptrdiff_t dst_linesize[4],