NGX_HTTP_MP4_STSZ_ATOM 2980 src/http/modules/ngx_http_mp4_module.c     trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf = atom;
NGX_HTTP_MP4_STSZ_ATOM 3081 src/http/modules/ngx_http_mp4_module.c         atom = trak->out[NGX_HTTP_MP4_STSZ_ATOM].buf;