PARSE_BLOCK_SIZE  472 libavcodec/webp.c     PARSE_BLOCK_SIZE(width, s->height);
PARSE_BLOCK_SIZE  501 libavcodec/webp.c     PARSE_BLOCK_SIZE(s->width, s->height);
PARSE_BLOCK_SIZE  517 libavcodec/webp.c     PARSE_BLOCK_SIZE(s->width, s->height);