+ // or SENDING_SHORT_RESPONSE.
+ size_t header_or_short_response_bytes_sent;
+
+ // Number of bytes we are into the stream (ie., the end of last send).
+ // -1 means we want to send from the end of the backlog (the normal case),
+ // although only at a keyframe.
+ // -2 means we want to send from the _beginning_ of the backlog.
+ // Once we go into WAITING_FOR_KEYFRAME, PREBUFFERING or SENDING_DATA,
+ // these negative values will be translated to real numbers.
+ size_t stream_pos;