I was wondering why my mp4 output based on a MPEG-TS source had poor lip sync. Investigation revealed that libav does not write track offsets using the 'edts' atom, as suggested by the spec.
I have rewritten the mov_write_edts_tag() function to support writing track offsets, handle long timecodes (>32bit), and fixed it so that the initial composition time is properly calculated.
0001-improved-edts-atom-writing-support.patch
Description: 0001-improved-edts-atom-writing-support.patch
0002-properly-search-data-for-starting-composition-time.patch
Description: 0002-properly-search-data-for-starting-composition-time.patch
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