virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

avformat/mxfdec: fix essence_offset calculation

Browse Source 
The reference point for a KAG is the first byte of the key of a Partition Pack.

Fixes ticket #2817.
Fixes ticket #5317.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2018-02-17 11:47:57 +01:00
parent d54a04b69b
commit e9b0e42e77
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libavformat/mxfdec.c
View File

@@ -2875,8 +2875,8 @@ static int mxf_read_header(AVFormatContext *s)
* for OPAtom we still need the actual essence_offset though (the KL's length can vary) * for OPAtom we still need the actual essence_offset though (the KL's length can vary)
*/ */
int64_t op1a_essence_offset = int64_t op1a_essence_offset =
round_to_kag(mxf->current_partition->this_partition + mxf->current_partition->this_partition +
mxf->current_partition->pack_length, mxf->current_partition->kag_size) + round_to_kag(mxf->current_partition->pack_length, mxf->current_partition->kag_size) +
round_to_kag(mxf->current_partition->header_byte_count, mxf->current_partition->kag_size) + round_to_kag(mxf->current_partition->header_byte_count, mxf->current_partition->kag_size) +
round_to_kag(mxf->current_partition->index_byte_count, mxf->current_partition->kag_size); round_to_kag(mxf->current_partition->index_byte_count, mxf->current_partition->kag_size);