diff options
-rw-r--r-- | DOCS/tech/mpcf.txt | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/DOCS/tech/mpcf.txt b/DOCS/tech/mpcf.txt index 5b74a4ecd2..3fc47f34da 100644 --- a/DOCS/tech/mpcf.txt +++ b/DOCS/tech/mpcf.txt @@ -215,7 +215,7 @@ index: max_pts t syncpoints v for(i=0; i<syncpoints; i++){ - syncpoint_pos_div8 v + syncpoint_pos_div16 v } for(i=0; i<stream_count; i++){ last_pts= -1 @@ -285,6 +285,7 @@ info_packet: syncpoint: global_key_pts t + back_ptr_div16 v Complete definition: @@ -600,9 +601,9 @@ header_checksum Syncpoint tags: --------------- -back_ptr_div8 - back_ptr = back_ptr_div8 * 8 + 7 - back_ptr must point to a position within 8 bytes of a syncpoint +back_ptr_div16 + back_ptr = back_ptr_div16 * 16 + 15 + back_ptr must point to a position within 16 bytes of a syncpoint startcode. This syncpoint MUST be the closest syncpoint such that at least one keyframe with a pts lower or equal to the original syncpoint's global_key_pts for all streams lies between it and the current syncpoint. @@ -622,8 +623,8 @@ Index tags: max_pts The highest pts in the entire file -syncpoint_pos_div8 - offset from begginning of file to up to 7 bytes before the syncpoint +syncpoint_pos_div16 + offset from begginning of file to up to 15 bytes before the syncpoint referred to in this index entry. Relative to position of last syncpoint. |