NGX_HTTP_MP4_STSC_START 2754 src/http/modules/ngx_http_mp4_module.c         data = trak->out[NGX_HTTP_MP4_STSC_START].buf;
NGX_HTTP_MP4_STSC_START 2903 src/http/modules/ngx_http_mp4_module.c         trak->out[NGX_HTTP_MP4_STSC_START].buf = buf;