ffmpeg command: ffmpeg -start_number 2500 -i "/Users/sam/git/EncodingGuidelines/enctests/sources/enc_sources/chimera_cars_srgb_dpx_10/chimera_cars_srgb.%05d.dpx" -vframes 200 -c:v libx264 -pix_fmt yuv420p -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_cars_srgb-test_mp4-libx264-08bit.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_cars_srgb_dpx_10/chimera_cars_srgb.%05d.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 @ 0x134805030] using SAR=1/1
[libx264 @ 0x134805030] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x134805030] profile High, level 5.0, 4:2:0, 8-bit
[libx264 @ 0x134805030] 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=69 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_cars_srgb-test_mp4-libx264-08bit.mp4':
  Metadata:
    encoder         : Lavf62.1.101
  Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(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=   33 fps= 33 q=23.0 size=     768KiB time=00:00:01.24 bitrate=5074.1kbits/s speed=1.23x elapsed=0:00:01.00    
frame=   67 fps= 44 q=23.0 size=    1280KiB time=00:00:02.60 bitrate=4033.1kbits/s speed=1.72x elapsed=0:00:01.50    
frame=  103 fps= 51 q=23.0 size=    2048KiB time=00:00:04.04 bitrate=4152.9kbits/s speed=2.01x elapsed=0:00:02.01    
frame=  139 fps= 55 q=23.0 size=    2560KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:02.51    
frame=  183 fps= 61 q=23.0 size=    3328KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:03.02    
[out#0/mp4 @ 0x6000003b8000] video:3787KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.085294%
frame=  200 fps= 63 q=-1.0 Lsize=    3791KiB time=00:00:07.92 bitrate=3920.9kbits/s speed=2.51x elapsed=0:00:03.15    
[libx264 @ 0x134805030] frame I:1     Avg QP:17.60  size:156765
[libx264 @ 0x134805030] frame P:51    Avg QP:17.58  size: 41425
[libx264 @ 0x134805030] frame B:148   Avg QP:19.93  size: 10866
[libx264 @ 0x134805030] consecutive B-frames:  0.5%  2.0%  1.5% 96.0%
[libx264 @ 0x134805030] mb I  I16..4: 29.5% 48.0% 22.5%
[libx264 @ 0x134805030] mb P  I16..4:  0.5%  5.2%  1.9%  P16..4: 32.7% 11.6%  8.8%  0.0%  0.0%    skip:39.2%
[libx264 @ 0x134805030] mb B  I16..4:  0.0%  0.4%  0.2%  B16..8: 30.3%  4.9%  0.9%  direct: 1.5%  skip:61.8%  L0:45.7% L1:48.3% BI: 6.0%
[libx264 @ 0x134805030] 8x8 transform intra:64.5% inter:62.2%
[libx264 @ 0x134805030] direct mvs  spatial:93.2% temporal:6.8%
[libx264 @ 0x134805030] coded y,uvDC,uvAC intra: 82.6% 68.0% 34.5% inter: 8.9% 9.0% 0.7%
[libx264 @ 0x134805030] i16 v,h,dc,p:  8% 68%  1% 23%
[libx264 @ 0x134805030] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  4% 42%  3%  5%  8%  5% 15%  5% 14%
[libx264 @ 0x134805030] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu:  4% 43%  4%  5%  8%  5% 13%  5% 13%
[libx264 @ 0x134805030] i8c dc,h,v,p: 22% 59%  9% 10%
[libx264 @ 0x134805030] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x134805030] ref P L0: 52.0%  9.5% 19.7%  9.2%  9.5%
[libx264 @ 0x134805030] ref B L0: 70.9% 19.4%  7.8%  1.9%
[libx264 @ 0x134805030] ref B L1: 90.7%  9.3%
[libx264 @ 0x134805030] kb/s:3877.65