Re: [FFmpeg-devel] [PATCH v5 00/10] aacdec: add a native xHE-AAC decoder

[Lynne via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

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On 30/05/2024 04:37, Lynne wrote:
> This commit adds a decoder for the frequency-domain part of USAC.
> 
> Changes over version 4:
>   - Actually reset entropy decoding upon configuration.
>   - Support for LFE channels.
> 
> Lynne (10):
>    channel_layout: add new channel positions supported by xHE-AAC
>    aacdec: move from scalefactor ranged arrays to flat arrays
>    aacdec: expose channel layout related functions
>    aacdec: expose decode_tns
>    aacdec_dsp: implement 768-point transform and windowing
>    aactab: add deemphasis tables for USAC
>    aactab: add tables for the new USAC arithmetic coder
>    aactab: add new scalefactor offset tables for 96/768pt windows
>    aacdec: add a decoder for AAC USAC (xHE-AAC)
>    fate: add tests for xHE-AAC
> 
>   libavcodec/aac/Makefile              |    3 +-
>   libavcodec/aac/aacdec.c              |  371 +++---
>   libavcodec/aac/aacdec.h              |  219 +++-
>   libavcodec/aac/aacdec_ac.c           |  208 ++++
>   libavcodec/aac/aacdec_ac.h           |   54 +
>   libavcodec/aac/aacdec_dsp_template.c |  162 ++-
>   libavcodec/aac/aacdec_fixed.c        |    2 +
>   libavcodec/aac/aacdec_float.c        |    4 +
>   libavcodec/aac/aacdec_latm.h         |   14 +-
>   libavcodec/aac/aacdec_lpd.c          |  198 ++++
>   libavcodec/aac/aacdec_lpd.h          |   33 +
>   libavcodec/aac/aacdec_usac.c         | 1608 ++++++++++++++++++++++++++
>   libavcodec/aac/aacdec_usac.h         |   37 +
>   libavcodec/aactab.c                  |  560 +++++++++
>   libavcodec/aactab.h                  |   22 +
>   libavcodec/sinewin_fixed_tablegen.c  |    2 +
>   libavcodec/sinewin_fixed_tablegen.h  |    4 +
>   libavutil/channel_layout.c           |    4 +
>   libavutil/channel_layout.h           |    8 +
>   tests/fate/aac.mak                   |    8 +
>   20 files changed, 3286 insertions(+), 235 deletions(-)
>   create mode 100644 libavcodec/aac/aacdec_ac.c
>   create mode 100644 libavcodec/aac/aacdec_ac.h
>   create mode 100644 libavcodec/aac/aacdec_lpd.c
>   create mode 100644 libavcodec/aac/aacdec_lpd.h
>   create mode 100644 libavcodec/aac/aacdec_usac.c
>   create mode 100644 libavcodec/aac/aacdec_usac.h

Patchset pushed.
Thanks for the reviews.

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