static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap, int width, int height) { uint8_t *src_m1, *src_0, *src_p1, *src_p2; int y; uint8_t *buf; buf = av_malloc(width); src_m1 = src1; memcpy(buf,src_m1,width); src_0=&src_m1[src_wrap]; src_p1=&src_0[src_wrap]; src_p2=&src_p1[src_wrap]; for(y=0;y<(height-2);y+=2) { deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width); src_m1 = src_p1; src_0 = src_p2; src_p1 += 2*src_wrap; src_p2 += 2*src_wrap; } /* do last line */ deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width); av_free(buf); }