Re: [FFmpeg-devel] [PATCH v2 8/8] aacdec: add a decoder for AAC USAC (xHE-AAC)

[Michael Niedermayer <michael@niedermayer.cc>]

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On Sun, May 19, 2024 at 06:54:44PM +0200, Lynne via ffmpeg-devel wrote:
> This commit adds a decoder for the frequency-domain part of USAC.
> 
> What works:
>  - Mono
>  - Stereo (no prediction)
>  - Stereo (mid/side coding)
>  - Stereo (complex prediction)
> 
> What's left:
>  - Speech coding
> 
> Known issues:
>  - Desync with certain sequences
>  - Preroll crossover missing (shouldn't matter, bitrate adaptation only)
> ---
>  libavcodec/aac/Makefile              |    3 +-
>  libavcodec/aac/aacdec.c              |  188 +--
>  libavcodec/aac/aacdec.h              |  187 +++
>  libavcodec/aac/aacdec_ac.c           |  208 ++++
>  libavcodec/aac/aacdec_ac.h           |   54 +
>  libavcodec/aac/aacdec_dsp_template.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         | 1587 ++++++++++++++++++++++++++
>  libavcodec/aac/aacdec_usac.h         |   39 +
>  libavcodec/aactab.c                  |   42 +
>  libavcodec/aactab.h                  |   10 +
>  13 files changed, 2491 insertions(+), 76 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

seems to break fate

make  -j32 fate-source
TEST    source
--- ./tests/ref/fate/source	2024-05-20 01:14:59.407222202 +0200
+++ tests/data/fate/source	2024-05-20 01:17:32.661142354 +0200
@@ -23,6 +25,7 @@
 compat/djgpp/math.h
 compat/float/float.h
 compat/float/limits.h
+libavcodec/aac/aacdec_ac.h
 libavcodec/bitstream_template.h
 tools/decode_simple.h
 Use of av_clip() where av_clip_uintp2() could be used:
Test source failed. Look at tests/data/fate/source.err for details.
make: *** [tests/Makefile:311: fate-source] Error 1

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire

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