diff options
| -rw-r--r-- | DOCS/tech/mpcf.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/DOCS/tech/mpcf.txt b/DOCS/tech/mpcf.txt index 98c4a0c5eb..fd77fbc112 100644 --- a/DOCS/tech/mpcf.txt +++ b/DOCS/tech/mpcf.txt @@ -282,8 +282,11 @@ forward_ptr after the forward_ptr to the first byte of the next packet) back_ptr - pointer to the latest syncpoint, for which there is at least one - keyframe prior to the global_timestamp in every stream + real_back_ptr = back_ptr * 8 + 7 + real_back_ptr must point to a position such that a syncpoint startcode begins + within the next 8 bytes, and such that at least one keyframe for each stream + lies between the syncpoint to which real_back_ptr points, and the current + syncpoint. file_id_string "nut/multimedia container\0" |