rpza enc assertion

[ami_stuff]

./ffmpeg -i 1.jpg -vcodec rpza -y out.mov
ffmpeg version N-109101-g822da7a317 Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.4.0-1ubuntu1~20.04.1)
  configuration: 
  libavutil      57. 42.100 / 57. 42.100
  libavcodec     59. 52.102 / 59. 52.102
  libavformat    59. 34.101 / 59. 34.101
  libavdevice    59.  8.101 / 59.  8.101
  libavfilter     8. 50.100 /  8. 50.100
  libswscale      6.  8.112 /  6.  8.112
  libswresample   4.  9.100 /  4.  9.100
[mjpeg @ 0x55e76a725cc0] EOI missing, emulating
Input #0, jpeg_pipe, from '1.jpg':
  Duration: N/A, bitrate: N/A
  Stream #0:0: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 1x1, 25 fps, 25 tbr, 25 tbn
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg (native) -> rpza (native))
Press [q] to stop, [?] for help
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a751200] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a751200] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7637c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7637c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7757c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7757c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a787680] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a787680] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a799580] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a799580] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7ab7c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7ab7c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7bd840] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7bd840] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7cf880] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7cf880] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7e1a00] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a743d40] [swscaler @ 0x55e76a7e1a00] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a775000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a775000] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a762e40] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a762e40] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a786000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a786000] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7bc180] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7bc180] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7977c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7977c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7ce180] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7ce180] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7a96c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7a96c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7e0340] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7e0340] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7f4500] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a751200] [swscaler @ 0x55e76a7f4500] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a751200] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a751200] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a786000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a786000] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a762e40] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a762e40] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7a96c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7a96c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7ce180] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7ce180] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7bc180] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7bc180] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7977c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7977c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7e0340] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7e0340] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7f4500] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7f4500] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a751200] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a751200] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a786000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a786000] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a762e40] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a762e40] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7a96c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7a96c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7bc180] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7bc180] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7ce180] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7ce180] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7977c0] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7977c0] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7e0340] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7e0340] full chroma interpolation for destination format 'rgb555le' not yet implemented
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7f4500] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x55e76a775000] [swscaler @ 0x55e76a7f4500] full chroma interpolation for destination format 'rgb555le' not yet implemented
Output #0, mov, to 'out.mov':
  Metadata:
    encoder         : Lavf59.34.101
  Stream #0:0: Video: rpza (rpza / 0x617A7072), rgb555le(pc, gbr/unknown/unknown, progressive), 1x1, q=2-31, 200 kb/s, 25 fps, 12800 tbn
    Metadata:
      encoder         : Lavc59.52.102 rpza
Assertion s->buf_ptr < s->buf_end failed at libavcodec/put_bits.h:150