Videotoolbox and VDA fail to initialize for H.264

[macdavis]

Summary of the bug:
Both Videotoolbox and Vda fail to decode this video. The sample file is attached.

How to reproduce:

% ffmpeg -hwaccel videotoolbox -i /Users/davisdai/sample.m2ts -f null -
ffmpeg version 3.3.2 Copyright (c) 2000-2017 the FFmpeg developers
  built with Apple LLVM version 8.1.0 (clang-802.0.42)
  configuration: --disable-debug --disable-opencl --disable-avdevice --disable-ffplay --disable-ffprobe --disable-postproc --disable-ffserver --disable-devices --disable-avresample --disable-indev=qtkit --disable-doc --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-gpl --enable-nonfree
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavfilter     6. 82.100 /  6. 82.100
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
Input #0, mpegts, from '/Users/davisdai/sample.m2ts':
  Duration: 00:00:00.73, start: 1.433367, bitrate: 18888 kb/s
  Program 1 
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Stream #0:1[0x101]: Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, stereo, fltp, 224 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
  Stream #0:1 -> #0:1 (ac3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Error while decoding stream #0:0: Generic error in an external library
Output #0, null, to 'pipe:':
  Metadata:
    encoder         : Lavf57.71.100
    Stream #0:0: Video: wrapped_avframe, nv12, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc
    Metadata:
      encoder         : Lavc57.89.100 wrapped_avframe
    Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
    Metadata:
      encoder         : Lavc57.89.100 pcm_s16le
Error while decoding stream #0:0: Generic error in an external library
    Last message repeated 6 times
frame=   14 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.70 bitrate=N/A speed=4.02x    
video:7kB audio:132kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown

ffmpeg -hwaccel vda -i /Users/davisdai/sample.m2ts -f null -
ffmpeg version 3.3.2 Copyright (c) 2000-2017 the FFmpeg developers
  built with Apple LLVM version 8.1.0 (clang-802.0.42)
  configuration: --disable-debug --disable-opencl --disable-avdevice --disable-ffplay --disable-ffprobe --disable-postproc --disable-ffserver --disable-devices --disable-avresample --disable-indev=qtkit --disable-doc --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-gpl --enable-nonfree
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavfilter     6. 82.100 /  6. 82.100
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
Input #0, mpegts, from '/Users/davisdai/sample.m2ts':
  Duration: 00:00:00.73, start: 1.433367, bitrate: 18888 kb/s
  Program 1 
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Stream #0:1[0x101]: Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, stereo, fltp, 224 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
  Stream #0:1 -> #0:1 (ac3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[27][0][0][0]: Unsupported pixel format: (null)
Error while processing the decoded data for stream #0:0
Conversion failed!

[macdavis]

Fixed in recent FFmpeg.