Changes between Version 32 and Version 33 of SponsoringPrograms/GSoC/2014


Ignore:
Timestamp:
Feb 11, 2014, 5:49:47 PM (6 years ago)
Author:
klaussfreire
Comment:

Added native AAC encoder tasks

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  • SponsoringPrograms/GSoC/2014

    v32 v33  
    221221'''Description:''' FFmpeg contains an AAC encoder and decoder, and both of them can be improved in various ways. This is enough work for more than one GSoC project, so one part of your submission would be to define on which task exactly you want to work.
    222222
    223     - AAC BSAC decoder: This has already been started, but the existing decoder still fails on many samples
    224     - AAC SSR decoder
    225     - AAC 960/120 MDCT window
     223    - AAC BSAC decoder: This has already been started, but the existing decoder still fails on many samples ''(a)''
     224    - AAC SSR decoder ''(a)''
     225    - AAC 960/120 MDCT window ''(a)''
     226    - AAC native encoder improvements ''(b)'':
     227      - Implement [http://www.birds-eye.net/definition/acronym/?id=1163388183 AAC PNS]
     228      - Implement [http://wiki.hydrogenaudio.org/index.php?title=Joint_stereo#Intensity_Stereo intensity stereo]
     229      - Implement AAC LTP (long term prediction)
     230      - Implement [http://en.wikipedia.org/wiki/Spectral_band_replication AAC SBR] (spectral band replication)
    226231
    227232'''Qualification Task:''' See the [https://trac.ffmpeg.org/query?status=!closed&keywords=~aac FFmpeg bug tracker for AAC issues], fixing one of them or rebasing the existing incomplete BSAC decoder for current git head, or fixing one or more existing bugs are possible qualification tasks.
     
    229234'''Prerequisites:''' C coding skills, basic familiarity with git, knowledge about transform based audio coding would be useful.
    230235
    231 '''Mentor:''' Baptiste Coudurier (''bcoudurier'' in #ffmpeg-devel on Freenode IRC)
     236'''Mentor:'''
     237  ''(a)'' Baptiste Coudurier (''bcoudurier'' in #ffmpeg-devel on Freenode IRC),
     238 
     239  ''(b)'' Claudio Freire (''klaussfreire'' in g mail)
     240
    232241
    233242'''Backup Mentor:''' TBA