shorten: fix support of various block sizes

[ami_stuff]

C:\>ffmpeg -i b4112.shn out.wav
ffmpeg version N-79632-g3ce1988 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.5.0 (GCC) 20100414 (Fedora MinGW 4.5.0-1.fc14)
  configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build --arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686-pc-min
gw32-gcc' --enable-pthreads --enable-memalign-hack --enable-runtime-cpudetect --
enable-cross-compile --enable-static --disable-shared --extra-libs='-lws2_32 -lw
inmm -lpthread' --extra-cflags='--static -I/var/www/users/research/ffmpeg/snapsh
ots/build/include' --extra-ldflags='-static -L/var/www/users/research/ffmpeg/sna
pshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3 --
enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-li
bvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-li
bopencore-amrwb --enable-libmp3lame --enable-libfreetype --enable-libvpx --disab
le-decoder=libvpx
  libavutil      55. 22.101 / 55. 22.101
  libavcodec     57. 38.100 / 57. 38.100
  libavformat    57. 34.103 / 57. 34.103
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 44.100 /  6. 44.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, shn, from 'b4112.shn':
  Duration: N/A, start: 0.000000, bitrate: N/A
    Stream #0:0: Audio: shorten, 44100 Hz, 2 channels, s16p
File 'out.wav' already exists. Overwrite ? [y/N] y
[wav @ 0x2c3e740] Using AVStream.codec to pass codec parameters to muxers is dep
recated, use AVStream.codecpar instead.
Output #0, wav, to 'out.wav':
  Metadata:
    ISFT            : Lavf57.34.103
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, stereo, s16
, 1411 kb/s
    Metadata:
      encoder         : Lavc57.38.100 pcm_s16le
Stream mapping:
  Stream #0:0 -> #0:0 (shorten (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[shorten @ 0x2c3e240] overread: 1
Error while decoding stream #0:0: Invalid data found when processing input
[shorten @ 0x2c3e240] unknown shorten function 26
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
[shorten @ 0x2c3e240] invalid pred_order 4
Error while decoding stream #0:0: Invalid argument
size=     321kB time=00:00:01.86 bitrate=1411.6kbits/s speed=11.9x
video:0kB audio:321kB subtitle:0kB other streams:0kB global headers:0kB muxing o
verhead: 0.023711%
Conversion failed!

[Elon Musk]

Fixed in 1f62a6e7803e4b354b2f1a7c9a5d617efa39999b.