ngx_http_image_filter_jpeg_quality 110 src/http/modules/ngx_http_image_filter_module.c static char *ngx_http_image_filter_jpeg_quality(ngx_conf_t *cf, ngx_http_image_filter_jpeg_quality 128 src/http/modules/ngx_http_image_filter_module.c ngx_http_image_filter_jpeg_quality,