ffmpeg command: ffmpeg -start_number 44200 -i "/Users/sam/git/EncodingGuidelines/enctests/sources/enc_sources/chimera_coaster_srgb_dpx_10/chimera_coaster_srgb.%06d.dpx" -vframes 200 -c:v libx264 -pix_fmt yuv420p10le -crf 18 -preset slow -sws_flags spline+accurate_rnd+full_chroma_int -vf "scale=in_range=full:in_color_matrix=bt709:out_range=tv:out_color_matrix=bt709" -color_range 1 -colorspace 1 -color_primaries 1 -color_trc 2 -y "/Users/sam/git/EncodingGuidelines/enctests/wedge_results/ffmpeg_version_git-2025-07-22-1ce20f55cc/darwin-arm64/codec_tests-encode/chimera_coaster_srgb-test_mp4-libx264-10bit.mp4"
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_coaster_srgb_dpx_10/chimera_coaster_srgb.%06d.dpx':
  Duration: 00:00:08.00, start: 0.000000, bitrate: N/A
  Stream #0:0: Video: dpx, gbrp10le(gbr/unknown/unknown), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn
Stream mapping:
  Stream #0:0 -> #0:0 (dpx (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x126705030] using SAR=1/1
[libx264 @ 0x126705030] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x126705030] profile High 10, level 5.0, 4:2:0, 10-bit
[libx264 @ 0x126705030] 264 - core 164 r3108 31e19f9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=18 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=crf mbtree=1 crf=18.0 qcomp=0.60 qpmin=0 qpmax=81 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '/Users/sam/git/EncodingGuidelines/enctests/wedge_results/ffmpeg_version_git-2025-07-22-1ce20f55cc/darwin-arm64/codec_tests-encode/chimera_coaster_srgb-test_mp4-libx264-10bit.mp4':
  Metadata:
    encoder         : Lavf62.1.101
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p10le(tv, bt709/unknown/unknown, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 12800 tbn
    Metadata:
      encoder         : Lavc62.4.103 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
frame=    0 fps=0.0 q=0.0 size=       0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:00.50    
frame=    0 fps=0.0 q=0.0 size=       0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:01.00    
frame=    1 fps=0.7 q=35.0 size=       0KiB time=-00:00:00.04 bitrate=N/A speed=N/A elapsed=0:00:01.51    
frame=    5 fps=2.5 q=35.0 size=     256KiB time=00:00:00.12 bitrate=17479.5kbits/s speed=0.0594x elapsed=0:00:02.02    
frame=   11 fps=4.4 q=35.0 size=     512KiB time=00:00:00.36 bitrate=11651.9kbits/s speed=0.143x elapsed=0:00:02.52    
frame=   18 fps=5.9 q=35.0 size=     768KiB time=00:00:00.64 bitrate=9831.0kbits/s speed=0.211x elapsed=0:00:03.03    
frame=   25 fps=7.1 q=35.0 size=    1280KiB time=00:00:00.92 bitrate=11398.0kbits/s speed=0.26x elapsed=0:00:03.53    
frame=   27 fps=6.7 q=35.0 size=    1280KiB time=00:00:01.00 bitrate=10486.1kbits/s speed=0.247x elapsed=0:00:04.04    
frame=   36 fps=7.9 q=35.0 size=    1792KiB time=00:00:01.36 bitrate=10794.4kbits/s speed=0.299x elapsed=0:00:04.54    
frame=   43 fps=8.5 q=35.0 size=    2304KiB time=00:00:01.64 bitrate=11509.0kbits/s speed=0.325x elapsed=0:00:05.04    
frame=   47 fps=8.5 q=35.0 size=    2560KiB time=00:00:01.80 bitrate=11651.1kbits/s speed=0.324x elapsed=0:00:05.54    
frame=   57 fps=9.4 q=35.0 size=    3072KiB time=00:00:02.20 bitrate=11439.2kbits/s speed=0.364x elapsed=0:00:06.04    
frame=   67 fps= 10 q=35.0 size=    3328KiB time=00:00:02.60 bitrate=10485.9kbits/s speed=0.397x elapsed=0:00:06.55    
frame=   72 fps= 10 q=35.0 size=    3584KiB time=00:00:02.80 bitrate=10485.9kbits/s speed=0.397x elapsed=0:00:07.05    
frame=   77 fps= 10 q=35.0 size=    3840KiB time=00:00:03.04 bitrate=10347.9kbits/s speed=0.402x elapsed=0:00:07.56    
frame=   86 fps= 11 q=35.0 size=    4096KiB time=00:00:03.36 bitrate=9986.6kbits/s speed=0.416x elapsed=0:00:08.07    
frame=   93 fps= 11 q=35.0 size=    4608KiB time=00:00:03.64 bitrate=10370.6kbits/s speed=0.425x elapsed=0:00:08.57    
frame=   96 fps= 11 q=35.0 size=    4608KiB time=00:00:03.76 bitrate=10039.7kbits/s speed=0.414x elapsed=0:00:09.07    
frame=  105 fps= 11 q=35.0 size=    5120KiB time=00:00:04.12 bitrate=10180.4kbits/s speed=0.43x elapsed=0:00:09.58    
frame=  115 fps= 11 q=35.0 size=    5632KiB time=00:00:04.52 bitrate=10207.5kbits/s speed=0.448x elapsed=0:00:10.08    
frame=  116 fps= 11 q=35.0 size=    5632KiB time=00:00:04.56 bitrate=10117.9kbits/s speed=0.431x elapsed=0:00:10.58    
frame=  132 fps= 12 q=35.0 size=    6144KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:11.09    
frame=  136 fps= 12 q=35.0 size=    6144KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:11.60    
frame=  148 fps= 12 q=35.0 size=    6656KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:12.11    
frame=  156 fps= 12 q=35.0 size=    6912KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:12.62    
frame=  164 fps= 12 q=35.0 size=    7168KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:13.12    
frame=  176 fps= 13 q=35.0 size=    7424KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:13.62    
frame=  176 fps= 12 q=35.0 size=    7424KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:14.12    
frame=  194 fps= 13 q=-1.0 size=    7936KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:14.63    
[out#0/mp4 @ 0x6000026e4000] video:8346KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.039747%
frame=  200 fps= 13 q=-1.0 Lsize=    8349KiB time=00:00:07.92 bitrate=8636.2kbits/s speed=0.525x elapsed=0:00:15.08    
[libx264 @ 0x126705030] frame I:1     Avg QP:30.12  size:107743
[libx264 @ 0x126705030] frame P:51    Avg QP:30.21  size: 88578
[libx264 @ 0x126705030] frame B:148   Avg QP:33.32  size: 26490
[libx264 @ 0x126705030] consecutive B-frames:  1.0%  1.0%  0.0% 98.0%
[libx264 @ 0x126705030] mb I  I16..4: 29.3% 57.2% 13.5%
[libx264 @ 0x126705030] mb P  I16..4:  3.5% 13.2%  2.4%  P16..4: 37.7% 22.5% 11.6%  0.0%  0.0%    skip: 9.1%
[libx264 @ 0x126705030] mb B  I16..4:  0.5%  0.9%  0.2%  B16..8: 48.5% 11.4%  2.5%  direct: 5.5%  skip:30.5%  L0:43.1% L1:44.3% BI:12.6%
[libx264 @ 0x126705030] 8x8 transform intra:65.9% inter:79.0%
[libx264 @ 0x126705030] direct mvs  spatial:93.2% temporal:6.8%
[libx264 @ 0x126705030] coded y,uvDC,uvAC intra: 67.9% 78.2% 53.5% inter: 24.4% 22.5% 4.6%
[libx264 @ 0x126705030] i16 v,h,dc,p:  4% 52%  1% 43%
[libx264 @ 0x126705030] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 11% 14%  2%  7% 15% 14% 16% 10% 12%
[libx264 @ 0x126705030] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu:  9% 13%  3%  6% 19% 15% 17%  8% 10%
[libx264 @ 0x126705030] i8c dc,h,v,p: 31% 35% 16% 17%
[libx264 @ 0x126705030] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x126705030] ref P L0: 69.8% 18.6%  7.6%  4.0%  0.0%
[libx264 @ 0x126705030] ref B L0: 77.6% 17.5%  3.8%  1.1%
[libx264 @ 0x126705030] ref B L1: 94.2%  5.8%
[libx264 @ 0x126705030] kb/s:8545.79