ffmpeg command: ffmpeg -start_number 66600 -i "/Users/sam/git/EncodingGuidelines/enctests/sources/enc_sources/chimera_wind_srgb/chimera_wind_srgb.%06d.png" -vframes 200 -c:v liboapv -pix_fmt yuv422p10le -qp 18 -color_range tv -colorspace bt709 -color_primaries bt709 -y "/Users/sam/git/EncodingGuidelines/enctests/wedge_results/ffmpeg_version_git-2025-07-22-1ce20f55cc/darwin-arm64/apv_qp_tests-encode/chimera_wind_srgb-test_oapv_qp-qp18.mov"
ffmpeg version git-2025-07-22-1ce20f55cc Copyright (c) 2000-2025 the FFmpeg developers
  built with Apple clang version 17.0.0 (clang-1700.0.13.5)
  configuration: --enable-static --disable-shared --enable-gpl --enable-liboapv --enable-videotoolbox --enable-version3 --enable-liboapv --enable-libopenjpeg --enable-libvmaf --enable-libsvtav1 --enable-libx264 --enable-libx265 --enable-nonfree --enable-libaom --enable-libzimg --enable-libvpx --prefix=/Users/sam/roots/ffapv_main
  libavutil      60.  4.101 / 60.  4.101
  libavcodec     62.  4.103 / 62.  4.103
  libavformat    62.  1.101 / 62.  1.101
  libavdevice    62.  0.100 / 62.  0.100
  libavfilter    11.  0.100 / 11.  0.100
  libswscale      9.  0.100 /  9.  0.100
  libswresample   6.  0.100 /  6.  0.100
Input #0, image2, from '/Users/sam/git/EncodingGuidelines/enctests/sources/enc_sources/chimera_wind_srgb/chimera_wind_srgb.%06d.png':
  Duration: 00:00:08.00, start: 0.000000, bitrate: N/A
  Stream #0:0: Video: png, rgb48be(pc, gbr/unknown/unknown), 1920x1080, 25 fps, 25 tbr, 25 tbn
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> apv (liboapv))
Press [q] to stop, [?] for help
Output #0, mov, to '/Users/sam/git/EncodingGuidelines/enctests/wedge_results/ffmpeg_version_git-2025-07-22-1ce20f55cc/darwin-arm64/apv_qp_tests-encode/chimera_wind_srgb-test_oapv_qp-qp18.mov':
  Metadata:
    encoder         : Lavf62.1.101
  Stream #0:0: Video: apv (apv1 / 0x31767061), yuv422p10le(tv, bt709/unknown/unknown, progressive), 1920x1080, q=2-31, 25 fps, 12800 tbn
    Metadata:
      encoder         : Lavc62.4.103 liboapv
frame=   26 fps=0.0 q=18.0 size=   22272KiB time=00:00:01.04 bitrate=175435.1kbits/s speed=2.05x elapsed=0:00:00.50    
frame=   62 fps= 61 q=18.0 size=   54272KiB time=00:00:02.48 bitrate=179272.8kbits/s speed=2.45x elapsed=0:00:01.01    
frame=   95 fps= 63 q=18.0 size=   83712KiB time=00:00:03.80 bitrate=180465.5kbits/s speed= 2.5x elapsed=0:00:01.51    
frame=  131 fps= 65 q=18.0 size=  115712KiB time=00:00:05.24 bitrate=180899.4kbits/s speed=2.59x elapsed=0:00:02.02    
frame=  159 fps= 63 q=18.0 size=  140800KiB time=00:00:06.36 bitrate=181357.5kbits/s speed=2.52x elapsed=0:00:02.52    
[out#0/mov @ 0x6000002bc000] video:178049KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.001730%
frame=  200 fps= 64 q=18.0 Lsize=  178052KiB time=00:00:08.00 bitrate=182325.1kbits/s speed=2.55x elapsed=0:00:03.13