std::string src; // Can be empty.
size_t backlog_size;
int mark_pool; // -1 for none.
enum { STREAM_ENCODING_RAW = 0, STREAM_ENCODING_METACUBE } encoding;
};
std::string src; // Can be empty.
size_t backlog_size;
int mark_pool; // -1 for none.
enum { STREAM_ENCODING_RAW = 0, STREAM_ENCODING_METACUBE } encoding;
};