[FFmpeg-trac] #7574(avcodec:new): Enhance the eac3_core bitstream filter to strip the ATMOS substream

FFmpeg trac at avcodec.org
Wed Nov 28 19:43:51 EET 2018


#7574: Enhance the eac3_core bitstream filter to strip the ATMOS substream
-------------------------------------+-----------------------------------
             Reporter:  Sami32       |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  Atmos eac3   |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Sami32):

 Anything wrong with my issue title?
 Sample: http://ge.tt/8xbqd3t2

 {{{
 % ffmpeg.exe -i "dolby-atmos-trailer_amaze_1080.mp4" -c copy -bsf:a
 eac3_core EAC3+Atmos.mp4
 }}}

 Can E-AC-3+Atmos can still be called "core"? doesn't such "core" use be
 misleading?
 Can you already remove the Atmos substream from that media with a FFmpeg
 bitstream filter?

 Sorry, i'm afraid that i could not being more explicit and clear than
 that.
 From the FFmpeg documentation what i understand is that it hasn't be taken
 in consideration yet.
 https://ffmpeg.org/ffmpeg-bitstream-filters.html#eac3_005fcore
 That is why i post a such enhancement request here as users will probably
 more soon than later have to met such Blu-Ray E-AC-3+Atmos stream that are
 wideley supported by renderers for now.

 Thank you for your understanding.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7574#comment:2>
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