Author: ods15 Date: Tue Nov 14 18:03:33 2006 New Revision: 20926 Modified: trunk/DOCS/tech/nut.txt Log: allow info packets to appear in mid-stream, outside of main headers. these SHOULD NOT appear in non-realtime-streams Modified: trunk/DOCS/tech/nut.txt ============================================================================== --- trunk/DOCS/tech/nut.txt (original) +++ trunk/DOCS/tech/nut.txt Tue Nov 14 18:03:33 2006 @@ -187,11 +187,15 @@ packet_header, index_packet, packet_footer } if (!eof) while(next_code != main_startcode){ - if(next_code == syncpoint_startcode){ - packet_header, syncpoint, packet_footer - } - frame + packet_header, syncpoint, packet_footer + do{ + frame + }while(next_code == framecode); reserved_headers + while(next_code == info_startcode){ + packet_header, info_packet, packet_footer + reserved_headers + } } } @@ -883,9 +887,15 @@ Info: ----- -If a info packet is stored anywhere then a muxer MUST also store an identical +All info packets stored after a main header set MUST also have an identical info packet after every main-stream-header set +All info packets not stored after a main header set MUST have +chapter_id!=0 . + +Info packets SHOULD be written after main header sets in non realtime +streams. + If a demuxer has seen several info packets with the same chapter_id and stream_id then it MUST ignore all but the one with the highest position in the file