> ffmpeg -i "in.mp4" -c:v libx265 -preset placebo -x265-params "lossless=1:keyint=15:no-deblock=1:no-sao=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265.mkv"
ffmpeg version 4.1.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8.2.1 (GCC) 20190212
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : star / 92 / 5 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 8 / 2
x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 5 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp b-intra strong-intra-smoothing
Output #0, matroska, to 'x265.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.3 q=-0.0 Lsize=  254611kB time=00:00:09.90 bitrate=210663.2kbits/s speed=0.00868x
video:254605kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002561%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498150.38
x265 [info]: frame P:     42, Avg QP:4.00  kb/s: 270769.10
x265 [info]: frame B:    238, Avg QP:4.00  kb/s: 173260.83
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: Weighted B-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 3.2% 12.9% 11.3% 11.3% 11.3% 37.1% 9.7% 0.0% 3.2%
x265 [info]: lossless compression ratio 5.43::1

encoded 300 frames in 1141.06s (0.26 fps), 208571.30 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "lossless=1:keyint=15:no-deblock=1:no-sao=1:no-strong-intra-smoothing=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_no-strong-intra-smoothing.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : star / 92 / 5 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 8 / 2
x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 5 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp b-intra
Output #0, matroska, to 'x265_no-strong-intra-smoothing.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.3 q=-0.0 Lsize=  254614kB time=00:00:09.90 bitrate=210665.2kbits/s speed=0.00866x
video:254607kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002563%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498150.10
x265 [info]: frame P:     42, Avg QP:4.00  kb/s: 270769.53
x265 [info]: frame B:    238, Avg QP:4.00  kb/s: 173263.38
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: Weighted B-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 3.2% 12.9% 11.3% 11.3% 11.3% 37.1% 9.7% 0.0% 3.2%
x265 [info]: lossless compression ratio 5.43::1

encoded 300 frames in 1143.17s (0.26 fps), 208573.36 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "lossless=1:keyint=15:me=4:subme=7:no-deblock=1:no-sao=1:no-strong-intra-smoothing=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_X.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : sea / 92 / 7 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 8 / 2
x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 5 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp b-intra
Output #0, matroska, to 'x265_X.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.1 q=-0.0 Lsize=  254534kB time=00:00:09.90 bitrate=210599.2kbits/s speed=0.00176x
video:254528kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002563%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498150.10
x265 [info]: frame P:     42, Avg QP:4.00  kb/s: 270801.67
x265 [info]: frame B:    238, Avg QP:4.00  kb/s: 173175.31
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: Weighted B-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 3.2% 12.9% 11.3% 11.3% 11.3% 37.1% 9.7% 0.0% 3.2%
x265 [info]: lossless compression ratio 5.43::1

encoded 300 frames in 5621.59s (0.05 fps), 208507.99 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx264 -preset placebo -qp 0 -x264-params "keyint=15:no-deblock=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x264.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
[libx264] using SAR=1/1
[libx264] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264] profile High 4:4:4 Predictive, level 6.0, 4:2:0, 8-bit
[libx264] 264 - core 157 r2935 545de2f - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=0:0:0 analyse=0x1:0x131 me=esa subme=9 psy=0 mixed_ref=1 me_range=24 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=0 chroma_qp_offset=0 threads=24 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=2 keyint=15 keyint_min=1 scenecut=40 intra_refresh=0 rc=cqp mbtree=0 qp=0
Output #0, matroska, to 'x264.mkv':
    Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=-1--1, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame=  300 fps=3.2 q=-1.0 Lsize=  249921kB time=00:00:09.96 bitrate=205392.9kbits/s speed=0.108x
video:249917kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.001844%
[libx264] frame I:20    Avg QP: 0.00  size:1748809
[libx264] frame P:280   Avg QP: 0.00  size:789065
[libx264] mb I  I16..4: 73.9%  0.0% 26.1%
[libx264] mb P  I16..4:  3.4%  0.0%  0.1%  P16..4: 64.5% 14.1% 13.0%  0.4%  0.4%    skip: 4.2%
[libx264] 8x8 transform intra:0.0% inter:59.6%
[libx264] coded y,uvDC,uvAC intra: 99.9% 96.0% 95.8% inter: 80.3% 71.9% 71.2%
[libx264] i16 v,h,dc,p:  8% 90%  1%  0%
[libx264] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 57%  2%  2%  4%  2%  3%  1%  1%
[libx264] i8c dc,h,v,p:  4% 85% 11%  0%
[libx264] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264] ref P L0: 56.5%  3.4% 20.1%  8.0%  3.2%  3.0%  2.8%  1.0%  0.6%  0.6%  0.3%  0.2%  0.2%  0.1%  0.0%
[libx264] kb/s:204731.47


> ffmpeg -hide_banner -i "in.mp4" -c:v libx264 -preset placebo -qp 0 -x264-params "keyint=15:no-deblock=1:weightp=0" -flags +bitexact -fflags +bitexact -map_metadata -1 "x264_weightp=0.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
[libx264] using SAR=1/1
[libx264] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264] profile High 4:4:4 Predictive, level 6.0, 4:2:0, 8-bit
[libx264] 264 - core 157 r2935 545de2f - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=0:0:0 analyse=0x1:0x131 me=esa subme=9 psy=0 mixed_ref=1 me_range=24 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=0 chroma_qp_offset=0 threads=24 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=15 keyint_min=1 scenecut=40 intra_refresh=0 rc=cqp mbtree=0 qp=0
Output #0, matroska, to 'x264_weightp=0.mkv':
    Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=-1--1, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame=  300 fps=3.3 q=-1.0 Lsize=  250525kB time=00:00:09.96 bitrate=205889.2kbits/s speed=0.109x
video:250521kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.001840%
[libx264] frame I:20    Avg QP: 0.00  size:1748809
[libx264] frame P:280   Avg QP: 0.00  size:791273
[libx264] mb I  I16..4: 73.9%  0.0% 26.1%
[libx264] mb P  I16..4:  3.4%  0.0%  0.1%  P16..4: 65.0% 14.1% 12.5%  0.4%  0.3%    skip: 4.2%
[libx264] 8x8 transform intra:0.0% inter:59.7%
[libx264] coded y,uvDC,uvAC intra: 99.9% 96.1% 95.8% inter: 80.2% 71.9% 71.2%
[libx264] i16 v,h,dc,p:  8% 90%  1%  0%
[libx264] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 57%  2%  2%  3%  2%  3%  1%  1%
[libx264] i8c dc,h,v,p:  4% 85% 11%  0%
[libx264] ref P L0: 58.3% 20.3%  9.2%  3.2%  3.0%  2.8%  1.2%  0.6%  0.6%  0.3%  0.2%  0.2%  0.1%  0.0%
[libx264] kb/s:205226.12


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "lossless=1:keyint=15:bframes=0:ref=8:me=4:subme=7:no-deblock=1:no-sao=1:no-strong-intra-smoothing=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_XX.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : sea / 92 / 7 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 0 / 2
x265 [info]: b-pyramid / weightp / weightb       : 0 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 8 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp b-intra
Output #0, matroska, to 'x265_XX.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.0 q=-0.0 Lsize=  277258kB time=00:00:09.96 bitrate=227859.2kbits/s speed=0.00113x
video:277252kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002412%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498149.89
x265 [info]: frame P:    280, Avg QP:4.00  kb/s: 207764.59
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 100.0%
x265 [info]: lossless compression ratio 4.99::1

encoded 300 frames in 8819.38s (0.03 fps), 227123.62 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "lossless=1:keyint=15:bframes=0:b-adapt=0:no-weightb=1:no-b-intra=1:ref=8:me=4:subme=7:no-deblock=1:no-sao=1:no-strong-intra-smoothing=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_XXrev.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : sea / 92 / 7 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 0 / 0
x265 [info]: b-pyramid / weightp / weightb       : 0 / 1 / 0
x265 [info]: References / ref-limit  cu / depth  : 8 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp
Output #0, matroska, to 'x265_XXrev.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.0 q=-0.0 Lsize=  277275kB time=00:00:09.96 bitrate=227873.1kbits/s speed=0.00113x
video:277269kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002414%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498149.89
x265 [info]: frame P:    280, Avg QP:4.00  kb/s: 207779.42
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 100.0%
x265 [info]: lossless compression ratio 4.99::1

encoded 300 frames in 8805.45s (0.03 fps), 227137.48 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "lossless=1:keyint=15:no-cutree=1:psy-rd=0:rdoq-level=0:bframes=0:ref=8:me=4:subme=7:no-deblock=1:no-sao=1:no-strong-intra-smoothing=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_XXFinal.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : sea / 92 / 7 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 0 / 2
x265 [info]: b-pyramid / weightp / weightb       : 0 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 8 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 tskip signhide tmvp b-intra
Output #0, matroska, to 'x265_XXFinal.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.0 q=-0.0 Lsize=  277265kB time=00:00:09.96 bitrate=227864.7kbits/s speed=0.00114x
video:277258kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002412%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498213.11
x265 [info]: frame P:    280, Avg QP:4.00  kb/s: 207765.96
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 100.0%
x265 [info]: lossless compression ratio 4.99::1

encoded 300 frames in 8756.08s (0.03 fps), 227129.12 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "qp=0:lossless=1:keyint=15:bframes=0:ref=8:me=4:subme=7:no-deblock=1:no-sao=1:no-strong-intra-smoothing=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_Finale.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : sea / 92 / 7 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 0 / 2
x265 [info]: b-pyramid / weightp / weightb       : 0 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 8 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp b-intra
Output #0, matroska, to 'x265_Finale.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.0 q=-0.0 Lsize=  277258kB time=00:00:09.96 bitrate=227859.2kbits/s speed=0.00113x
video:277252kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002412%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498149.89
x265 [info]: frame P:    280, Avg QP:4.00  kb/s: 207764.59
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 100.0%
x265 [info]: lossless compression ratio 4.99::1

encoded 300 frames in 8805.63s (0.03 fps), 227123.62 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "lossless=1:keyint=15:bframes=16:ref=16:me=4:subme=7:no-deblock=1:no-sao=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_FinaleX.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : sea / 92 / 7 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 16 / 2
x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 16 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp b-intra strong-intra-smoothing
Output #0, matroska, to 'x265_FinaleX.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.0 q=-0.0 Lsize=  254210kB time=00:00:09.90 bitrate=210331.5kbits/s speed=0.00159x
video:254204kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002571%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498150.38
x265 [info]: frame P:     42, Avg QP:4.00  kb/s: 270778.49
x265 [info]: frame B:    238, Avg QP:4.00  kb/s: 172845.18
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: Weighted B-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 3.2% 12.9% 11.3% 11.3% 11.3% 37.1% 9.7% 0.0% 3.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
x265 [info]: lossless compression ratio 5.44::1

encoded 300 frames in 6225.28s (0.05 fps), 208242.86 kb/s, Avg QP:4.00


> ffmpeg -hide_banner -i "in.mp4" -c:v libx265 -preset placebo -x265-params "allow-non-conformance=1:lossless=1:keyint=15:bframes=16:ref=16:me=4:no-deblock=1:no-sao=1" -flags +bitexact -fflags +bitexact -map_metadata -1 "x265_FinaleFinal.mkv"
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
  Duration: 00:00:10.00, start: 0.000000, bitrate: 10728 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], 10725 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265))
x265 [info]: HEVC encoder version 3.0_Au+7-cb3e172a5f51
x265 [info]: build info [Windows][GCC 8.2.1][64 bit] 8bit+10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
x265 [info]: Main profile, Level-8.5 (Main tier)
x265 [info]: Thread pool created using 16 threads
x265 [info]: Slices                              : 1
x265 [info]: frame threads / pool features       : 4 / wpp(18 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 4 inter / 4 intra
x265 [info]: ME / range / subpel / merge         : sea / 92 / 5 / 5
x265 [info]: Keyframe min / max / scenecut / bias: 1 / 15 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt        : 60 / 16 / 2
x265 [info]: b-pyramid / weightp / weightb       : 1 / 1 / 1
x265 [info]: References / ref-limit  cu / depth  : 16 / off / off
x265 [info]: Rate Control                        : Lossless
x265 [info]: tools: rect amp rd=6 psy-rd=2.00 rdoq=2 psy-rdoq=1.00 tskip
x265 [info]: tools: signhide tmvp b-intra strong-intra-smoothing
Output #0, matroska, to 'x265_FinaleFinal.mkv':
    Stream #0:0: Video: hevc (libx265), yuv420p, 4096x1152 [SAR 1:1 DAR 32:9], q=2-31, 30 fps, 1k tbn, 30 tbc (default)
    Metadata:
      encoder         : Lavc libx265
frame=  300 fps=0.0 q=-0.0 Lsize=  254334kB time=00:00:09.90 bitrate=210433.8kbits/s speed=0.0016x
video:254328kB audio:0kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.002568%
x265 [info]: frame I:     20, Avg QP:4.00  kb/s: 498150.38
x265 [info]: frame P:     42, Avg QP:4.00  kb/s: 271097.91
x265 [info]: frame B:    238, Avg QP:4.00  kb/s: 172916.55
x265 [info]: Weighted P-Frames: Y:0.0% UV:0.0%
x265 [info]: Weighted B-Frames: Y:0.0% UV:0.0%
x265 [info]: consecutive B-frames: 3.2% 12.9% 11.3% 11.3% 11.3% 37.1% 9.7% 0.0% 3.2% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
x265 [info]: lossless compression ratio 5.44::1

encoded 300 frames in 6180.78s (0.05 fps), 208344.20 kb/s, Avg QP:4.00