[FFmpeg-trac] #9958(undetermined:reopened): thd encoder bug: Plex and LG C9 have same artefacts

[FFmpeg]

#9958: thd encoder bug: Plex and LG C9 have same artefacts
-------------------------------------+-------------------------------------
             Reporter:  Balling      |                    Owner:  (none)
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  thd          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by Balling):

 * status:  closed => reopened
 * resolution:  needs_more_info =>

Comment:

 This is how I encoded 48 sample, e.g.
 {{{
 PS ffmpeg.exe -i 48_2.wav -strict -2 awsfdafda1.thd
 ffmpeg version N-108353-g7cd252ee41-20220925 Copyright (c) 2000-2022 the
 FFmpeg developers
   built with gcc 12.1.0 (crosstool-NG 1.25.0.55_3defb7b)
   configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static
 --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64
 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug
 --enable-shared --disable-static --disable-w32threads --enable-pthreads
 --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype
 --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig
 --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf
 --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-
 libaribb24 --enable-avisynth --enable-libdav1d --enable-libdavs2
 --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r
 --enable-libgme --enable-libkvazaar --enable-libass --enable-libbluray
 --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist
 --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp
 --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-
 libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-
 libopenmpt --enable-librav1e --enable-librubberband --enable-schannel
 --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1
 --enable-libtwolame --enable-libuavs3d --disable-libdrm --disable-vaapi
 --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-
 libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-
 libxvid --enable-libzimg --enable-libzvbi --extra-
 cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread
 --extra-ldexeflags= --extra-libs=-lgomp --extra-version=20220925
   libavutil      57. 36.102 / 57. 36.102
   libavcodec     59. 46.100 / 59. 46.100
   libavformat    59. 33.100 / 59. 33.100
   libavdevice    59.  8.101 / 59.  8.101
   libavfilter     8. 49.100 /  8. 49.100
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
   libpostproc    56.  7.100 / 56.  7.100
 Guessed Channel Layout for Input Stream #0.0 : stereo
 Input #0, wav, from '48_2.wav':
   Metadata:
     artist          : Николай Басков
     date            : 2018
     genre           : Gospel Pop
     title           : Молите Господа О Нас
     album           : Верую
     track           : 08
     encoder         : Lavf59.33.100
   Duration: 00:04:33.39, bitrate: 1536 kb/s
   Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 2
 channels, s16, 1536 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (pcm_s16le (native) -> truehd (native))
 Press [q] to stop, [?] for help
 Output #0, truehd, to 'awsfdafda1.thd':
   Metadata:
     artist          : Николай Басков
     date            : 2018
     genre           : Gospel Pop
     title           : Молите Господа О Нас
     album           : Верую
     track           : 08
     encoder         : Lavf59.33.100
   Stream #0:0: Audio: truehd, 48000 Hz, stereo, s16, 128 kb/s
     Metadata:
       encoder         : Lavc59.46.100 truehd
 size=   39907kB time=00:04:33.39 bitrate=1195.8kbits/s speed=95.6x
 video:0kB audio:39907kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.000000%
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9958#comment:4>
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