Changes between Version 14 and Version 15 of SponsoringPrograms/GSoC/2014


Ignore:
Timestamp:
Feb 3, 2014, 11:58:38 PM (6 years ago)
Author:
Tjoppen
Comment:

Add MXF entry

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  • SponsoringPrograms/GSoC/2014

    v14 v15  
    346346'''Backup Mentor:''' TBA, possibly Stefano Sabatini (saste at #ffmpeg-devel IRC)
    347347
     348== MXF Demuxer Improvements ==
     349
     350'''Description:''' FFmpeg's MXF demuxer needs a proper, compact way to map EssenceContainer ULs to WrappingKind. See ticket #2776. I wrote stuff in ticket #1916 which is also relevant.
     351
     352The gist of this is that essence in MXF is typically stored in one of two ways: as an audio/video interleave or with each stream in one huge chunk (like 1 GiB audio followed by 10 GiB video). Previous ways of telling these apart have been technically wrong, but has worked due to a lack of samples demonstrating the contrary.
     353
     354'''Expected results:''' The sample in ticket #2776 demuxes fine and there's a test case in FATE for it. The solution should grow libavformat by no more than 32 KiB.
     355
     356'''Prerequisites:''' C coding skills, familiarity with git/source code control systems.
     357
     358'''Qualification Task''': Investigate if there may be a compact way of representing the UL -> WrappingKind mapping specified in the official RP224 Excel document. The tables takes up about half a megabyte verbatim, which is unacceptable in a library as large as libavformat.
     359
     360'''Mentor:''' TBA, possibly Tomas Härdin (thardin at #ffmpeg-devel IRC)
     361
     362'''Backup Mentor:''' TBA
     363
    348364----
    349365