ffmpeg command: ffmpeg -start_number 5400 -i "/Users/sam/git/EncodingGuidelines/enctests/sources/enc_sources/chimera_fountains_srgb/chimera_fountains_srgb.%05d.png" -vframes 200 -c:v liboapv -pix_fmt yuv422p10le -qp 40 -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_fountains_srgb-test_oapv_qp-qp40.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_fountains_srgb/chimera_fountains_srgb.%05d.png':
  Duration: 00:00:08.00, start: 0.000000, bitrate: N/A
  Stream #0:0: Video: png, rgb48be(pc, gbr/unknown/unknown), 1920x1080 [SAR 2834:2834 DAR 16:9], 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_fountains_srgb-test_oapv_qp-qp40.mov':
  Metadata:
    encoder         : Lavf62.1.101
  Stream #0:0: Video: apv (apv1 / 0x31767061), yuv422p10le(tv, bt709/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 12800 tbn
    Metadata:
      encoder         : Lavc62.4.103 liboapv
frame=   23 fps=0.0 q=40.0 size=    4352KiB time=00:00:00.92 bitrate=38752.0kbits/s speed=1.82x elapsed=0:00:00.50    
frame=   57 fps= 57 q=40.0 size=   11520KiB time=00:00:02.28 bitrate=41391.3kbits/s speed=2.26x elapsed=0:00:01.00    
frame=   93 fps= 61 q=40.0 size=   18944KiB time=00:00:03.72 bitrate=41717.6kbits/s speed=2.46x elapsed=0:00:01.51    
frame=  130 fps= 64 q=40.0 size=   26880KiB time=00:00:05.20 bitrate=42346.4kbits/s speed=2.58x elapsed=0:00:02.01    
frame=  163 fps= 65 q=40.0 size=   34304KiB time=00:00:06.52 bitrate=43101.0kbits/s speed=2.58x elapsed=0:00:02.52    
[out#0/mov @ 0x600000e80240] video:42623KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.006019%
frame=  200 fps= 69 q=40.0 Lsize=   42625KiB time=00:00:08.00 bitrate=43648.4kbits/s speed=2.75x elapsed=0:00:02.90