A query on slice based encoding in vp9_vaapi

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A query on slice based encoding in vp9_vaapi

Hello there,

According to the VAAPI encoder docs, slice based encoding can be enabled
for the respective encoders via the -slices:v n where n is the number of
slices so desired.

However, toggling this option on for the vp9_vaapi encoder results in a
warning on initialization about slice based encoding not being supported,
but the encoder runs nonetheless to completion.

I’ll post the console output (and ffmpeg build version ) when I’m at the
desk, but the question remains: Is there a specific reason as to why slice
based encoding is disabled (or not implemented) in this encoder?

This query is a redirect from this issue on the intel vaapi driver project
https://github.com/intel/intel-vaapi-driver/issues/452 as they may be
related. If this isn’t the right place to ask this question, let me know.
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Re: A query on slice based encoding in vp9_vaapi

On Thu, 30 May 2019 at 21:40, Dennis Mungai <[hidden email]> wrote:

> Hello there,
> According to the VAAPI encoder docs, slice based encoding can be enabled
> for the respective encoders via the -slices:v n where n is the number of
> slices so desired.
> However, toggling this option on for the vp9_vaapi encoder results in a
> warning on initialization about slice based encoding not being supported,
> but the encoder runs nonetheless to completion.
> I’ll post the console output (and ffmpeg build version ) when I’m at the
> desk, but the question remains: Is there a specific reason as to why slice
> based encoding is disabled (or not implemented) in this encoder?
> This query is a redirect from this issue on the intel vaapi driver project
> https://github.com/intel/intel-vaapi-driver/issues/452 as they may be
> related. If this isn’t the right place to ask this question, let me know.


As a follow up to the previous email:

The command is wrapped in a bash script, vp9test.sh:

#LIBVA_DRIVER_NAME=i965 in this session.

LIBVA_DRIVER_NAME=i965 FFREPORT="level=32:file=vaapi-vp9.log" ffmpeg -y
-stats -qphist -benchmark -vstats_file $(pwd)/vaapi-vp9.csv \
-vsync 1 -use_wallclock_as_timestamps 1 -fflags +genpts \
-init_hw_device vaapi=va:/dev/dri/renderD128 -filter_hw_device va -hwaccel
vaapi \
-i $(pwd)/rv.mkv -vf 'format=vaapi|nv12,hwupload'  \
-c:v vp9_vaapi -rc_mode:v VBR -loop_filter_level:v 63
-loop_filter_sharpness:v 15 -slices:v $(nproc) \
-b:v 7.5M -minrate:v 7.5M -maxrate:v 15M -bufsize:v 7.5M -r:v 60 -an -f mp4
-y $(pwd)/vaapi-vp9.mp4


ffmpeg started on 2019-05-23 at 23:50:30
Report written to "vaapi-vp9.log"
Command line:
ffmpeg -y -stats -qphist -benchmark -vstats_file
/home/brainiarc7/Desktop/src/benchmarks/final/vaapi-vp9.csv -vsync 1
-use_wallclock_as_timestamps 1 -fflags +genpts -init_hw_device
"vaapi=va:/dev/dri/renderD128" -filter_hw_device va -hwaccel vaapi -i
/home/brainiarc7/Desktop/src/benchmarks/final/rv.mkv -vf
"format=vaapi|nv12,hwupload" -c:v vp9_vaapi -rc_mode:v VBR
-loop_filter_level:v 63 -loop_filter_sharpness:v 15 -slices:v 12 -b:v 7.5M
-minrate:v 7.5M -maxrate:v 15M -bufsize:v 7.5M -r:v 60 -an -f mp4 -y
ffmpeg version N-93885-gc61d16cf3b Copyright (c) 2000-2019 the FFmpeg
  built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04)
  configuration: --pkg-config-flags=--static --prefix=/home/brainiarc7/bin
--bindir=/home/brainiarc7/bin --extra-cflags=-I/home/brainiarc7/bin/include
--extra-ldflags=-L/home/brainiarc7/bin/lib --enable-cuda-nvcc
--enable-cuvid --enable-libnpp --extra-cflags=-I/usr/local/cuda/include/
--extra-ldflags=-L/usr/local/cuda/lib64/ --enable-nvenc
--extra-ldflags=-L/opt/intel/mediasdk/plugins --enable-libmfx
--enable-libass --enable-vaapi --disable-debug --enable-libvorbis
--enable-libvpx --enable-libdrm --enable-opencl --enable-gpl --cpu=native
--enable-opengl --enable-libfdk-aac --enable-libx264 --enable-libx265
--enable-openssl --extra-libs='-lpthread -lm -lz' --enable-nonfree
  libavutil      56. 28.100 / 56. 28.100
  libavcodec     58. 52.101 / 58. 52.101
  libavformat    58. 27.103 / 58. 27.103
  libavdevice    58.  7.100 / 58.  7.100
  libavfilter     7. 53.101 /  7. 53.101
  libswscale      5.  4.101 /  5.  4.101
  libswresample   3.  4.100 /  3.  4.100
  libpostproc    55.  4.100 / 55.  4.100
Input #0, matroska,webm, from
    encoder         : libebml v1.3.7 + libmatroska v1.5.0
    creation_time   : 2019-05-09T10:09:00.000000Z
  Duration: 00:05:16.95, start: 1558644630.038000, bitrate: 7889 kb/s
    Stream #0:0: Video: h264 (High), yuv420p(tv, bt470bg/bt709/bt709,
progressive), 2560x1080 [SAR 1:1 DAR 64:27], 60 fps, 60 tbr, 1k tbn, 120
tbc (default)
      BPS-eng         : 7886082
      DURATION-eng    : 00:05:16.950000000
      NUMBER_OF_FRAMES-eng: 19015
      NUMBER_OF_BYTES-eng: 312436712
      _STATISTICS_WRITING_APP-eng: mkvmerge v33.1.0 ('Primrose') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2019-05-09 10:09:00
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> vp9 (vp9_vaapi))
Press [q] to stop, [?] for help
[vp9_vaapi @ 0x561ba18831c0] Multiple slices were requested but this codec
does not support controlling slices.
Output #0, mp4, to
    encoder         : Lavf58.27.103
    Stream #0:0: Video: vp9 (vp9_vaapi) (Profile 0) (vp09 / 0x39307076),
vaapi_vld, 2560x1080 [SAR 1:1 DAR 64:27], q=-1--1, 7500 kb/s, 60 fps, 15360
tbn, 60 tbc (default)
      BPS-eng         : 7886082
      DURATION-eng    : 00:05:16.950000000
      NUMBER_OF_FRAMES-eng: 19015
      NUMBER_OF_BYTES-eng: 312436712
      _STATISTICS_WRITING_APP-eng: mkvmerge v33.1.0 ('Primrose') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2019-05-09 10:09:00
      encoder         : Lavc58.52.101 vp9_vaapi
frame=   30 fps=0.0 q=-0.0 10000000000000000000000000000000size=     512kB
time=00:00:00.48 bitrate=8677.4kbits/s dup=2 drop=29 speed=0.963x
frame=   60 fps= 60 q=-0.0 10000000000000000000000000000000size=     768kB
time=00:00:00.98 bitrate=6398.0kbits/s dup=2 drop=62 speed=0.981x
frame=   90 fps= 60 q=-0.0 20000000000000000000000000000000size=    1280kB
time=00:00:01.48 bitrate=7069.0kbits/s dup=2 drop=95 speed=0.981x
frame=  121 fps= 60 q=-0.0 20000000000000000000000000000000size=    1536kB
time=00:00:02.00 bitrate=6291.4kbits/s dup=2 drop=130 speed=0.993x
frame=  151 fps= 60 q=-0.0 20000000000000000000000000000000size=    2048kB
time=00:00:02.50 bitrate=6710.9kbits/s dup=2 drop=164 speed=0.993x
frame=  181 fps= 60 q=-0.0 20000000000000000000000000000000size=    2816kB
time=00:00:03.00 bitrate=7689.5kbits/s dup=2 drop=197 speed=0.993x
frame=  211 fps= 60 q=-0.0 30000000000000000000000000000000size=    3072kB
time=00:00:03.50 bitrate=7190.2kbits/s dup=2 drop=229 speed=0.992x
frame=  242 fps= 60 q=-0.0 30000000000000000000000000000000size=    3840kB
time=00:00:04.01 bitrate=7831.6kbits/s dup=2 drop=263 speed=0.996x
frame=  272 fps= 60 q=-0.0 30000000000000000000000000000000size=    4352kB
time=00:00:04.51 bitrate=7893.3kbits/s dup=2 drop=296 speed=0.994x
frame=  302 fps= 60 q=-0.0 30000000000000000000000000000000size=    4864kB
time=00:00:05.01 bitrate=7942.7kbits/s dup=2 drop=332 speed=0.994x
frame=  332 fps= 60 q=-0.0 30000000000000000000000000000000size=    5120kB
time=00:00:05.51 bitrate=7602.9kbits/s dup=2 drop=366 speed=0.994x
frame=  363 fps= 60 q=-0.0 30000000000000000000000000000000size=    5632kB
time=00:00:06.03 bitrate=7647.0kbits/s dup=2 drop=401 speed=0.997x
frame=  393 fps= 60 q=-0.0 30000000000000000000000000000000size=    6144kB
time=00:00:06.53 bitrate=7703.8kbits/s dup=2 drop=436 speed=0.997x
frame=  423 fps= 60 q=-0.0 30000000000000000000000000000000size=    6400kB
time=00:00:07.03 bitrate=7454.3kbits/s dup=2 drop=470 speed=0.996x
frame=  453 fps= 60 q=-0.0 40000000000000000000000000000000size=    6912kB
time=00:00:07.53 bitrate=7516.3kbits/s dup=2 drop=503 speed=0.996x
frame=  484 fps= 60 q=-0.0 40000000000000000000000000000000size=    7168kB
time=00:00:08.05 bitrate=7294.4kbits/s dup=2 drop=536 speed=0.998x
frame=  513 fps= 60 q=-0.0 40000000000000000000000000000000size=    7680kB
time=00:00:08.53 bitrate=7372.8kbits/s dup=2 drop=568 speed=0.996x
frame=  544 fps= 60 q=-0.0 40000000000000000000000000000000size=    8448kB
time=00:00:09.05 bitrate=7647.1kbits/s dup=2 drop=602 speed=0.998x
frame=  574 fps= 60 q=-0.0 40000000000000000000000000000000size=    8960kB
time=00:00:09.55 bitrate=7685.9kbits/s dup=2 drop=636 speed=0.997x
frame=  605 fps= 60 q=-0.0 40000000000000000000000000000000size=    9472kB
time=00:00:10.06 bitrate=7708.1kbits/s dup=2 drop=674 speed=0.999x
frame=  635 fps= 60 q=-0.0 40000000000000000000000000000000size=    9984kB
time=00:00:10.56 bitrate=7740.3kbits/s dup=2 drop=712 speed=0.999x
frame=  665 fps= 60 q=-0.0 40000000000000000000000000000000size=   10496kB
time=00:00:11.06 bitrate=7769.6kbits/s dup=2 drop=746 speed=0.998x
frame=  695 fps= 60 q=-0.0 40000000000000000000000000000000size=   11008kB
time=00:00:11.56 bitrate=7796.3kbits/s dup=2 drop=782 speed=0.998x
frame=  726 fps= 60 q=-0.0 40000000000000000000000000000000size=   11264kB
time=00:00:12.08 bitrate=7636.5kbits/s dup=2 drop=815 speed=0.999x
frame=  755 fps= 60 q=-0.0 40000000000000000000000000000000size=   11776kB
time=00:00:12.56 bitrate=7676.6kbits/s dup=2 drop=848 speed=0.997x
frame=  785 fps= 60 q=-0.0 40000000000000000000000000000000size=   12288kB
time=00:00:13.06 bitrate=7703.8kbits/s dup=2 drop=879 speed=0.997x
frame=  816 fps= 60 q=-0.0 40000000000000000000000000000000size=   12800kB
time=00:00:13.58 bitrate=7719.6kbits/s dup=2 drop=902 speed=0.997x
frame=  847 fps= 60 q=-0.0 40000000000000000000000000000000size=   13568kB
time=00:00:14.10 bitrate=7882.9kbits/s dup=2 drop=932 speed=0.998x
frame=  878 fps= 60 q=-0.0 40000000000000000000000000000000size=   14336kB
time=00:00:14.61 bitrate=8034.7kbits/s dup=2 drop=967 speed=0.999x
frame=  908 fps= 60 q=-0.0 40000000000000000000000000000000size=   14592kB
time=00:00:15.11 bitrate=7907.7kbits/s dup=2 drop=1003 speed=0.999x
frame=  937 fps= 60 q=-0.0 50000000000000000000000000000000size=   14848kB
time=00:00:15.60 bitrate=7797.1kbits/s dup=2 drop=1034 speed=0.998x
frame=  968 fps= 60 q=-0.0 50000000000000000000000000000000size=   15104kB
time=00:00:16.11 bitrate=7677.3kbits/s dup=2 drop=1063 speed=0.998x
frame=  997 fps= 60 q=-0.0 50000000000000000000000000000000size=   15360kB
time=00:00:16.60 bitrate=7580.1kbits/s dup=2 drop=1095 speed=0.997x
frame= 1029 fps= 60 q=-0.0 50000000000000000000000000000000size=   15872kB
time=00:00:17.13 bitrate=7588.9kbits/s dup=2 drop=1126 speed=0.999x
frame= 1058 fps= 60 q=-0.0 50000000000000000000000000000000size=   16128kB
time=00:00:17.61 bitrate=7499.7kbits/s dup=2 drop=1160 speed=0.998x
frame= 1087 fps= 60 q=-0.0 50000000000000000000000000000000size=   16640kB
time=00:00:18.10 bitrate=7531.2kbits/s dup=2 drop=1184 speed=0.997x
frame= 1119 fps= 60 q=-0.0 50000000000000000000000000000000size=   17408kB
time=00:00:18.63 bitrate=7653.3kbits/s dup=2 drop=1210 speed=0.998x
frame= 1150 fps= 60 q=-0.0 50000000000000000000000000000000size=   17920kB
time=00:00:19.15 bitrate=7665.8kbits/s dup=2 drop=1243 speed=0.999x
frame= 1179 fps= 60 q=-0.0 50000000000000000000000000000000size=   18176kB
time=00:00:19.63 bitrate=7583.9kbits/s dup=2 drop=1270 speed=0.998x
frame= 1209 fps= 60 q=-0.0 50000000000000000000000000000000size=   18688kB
time=00:00:20.13 bitrate=7603.9kbits/s dup=2 drop=1295 speed=0.998x
frame= 1239 fps= 60 q=-0.0 50000000000000000000000000000000size=   19200kB
time=00:00:20.63 bitrate=7622.9kbits/s dup=2 drop=1317 speed=0.998x
frame= 1270 fps= 60 q=-0.0 50000000000000000000000000000000size=   19712kB
time=00:00:21.15 bitrate=7635.0kbits/s dup=2 drop=1343 speed=0.998x
frame= 1301 fps= 60 q=-0.0 50000000000000000000000000000000size=   20224kB
time=00:00:21.66 bitrate=7646.5kbits/s dup=2 drop=1374 speed=0.999x
frame= 1330 fps= 60 q=-0.0 50000000000000000000000000000000size=   20736kB
time=00:00:22.15 bitrate=7669.0kbits/s dup=2 drop=1402 speed=0.998x
frame= 1361 fps= 60 q=-0.0 50000000000000000000000000000000size=   21248kB
time=00:00:22.66 bitrate=7679.3kbits/s dup=2 drop=1423 speed=0.998x
frame= 1392 fps= 60 q=-0.0 50000000000000000000000000000000size=   21504kB
time=00:00:23.18 bitrate=7598.6kbits/s dup=2 drop=1450 speed=0.999x
frame= 1423 fps= 60 q=-0.0 50000000000000000000000000000000size=   22272kB
time=00:00:23.70 bitrate=7698.4kbits/s dup=2 drop=1478 speed=0.999x
frame= 1452 fps= 60 q=-0.0 50000000000000000000000000000000size=   22528kB
time=00:00:24.18 bitrate=7631.3kbits/s dup=2 drop=1506 speed=0.999x
frame= 1482 fps= 60 q=-0.0 50000000000000000000000000000000size=   23040kB
time=00:00:24.68 bitrate=7646.6kbits/s dup=2 drop=1529 speed=0.998x
frame= 1513 fps= 60 q=-0.0 50000000000000000000000000000000size=   23552kB
time=00:00:25.20 bitrate=7656.3kbits/s dup=2 drop=1554 speed=0.999x
frame= 1543 fps= 60 q=-0.0 50000000000000000000000000000000size=   24064kB
time=00:00:25.70 bitrate=7670.5kbits/s dup=2 drop=1579 speed=0.999x
frame= 1573 fps= 60 q=-0.0 50000000000000000000000000000000size=   24576kB
time=00:00:26.20 bitrate=7684.2kbits/s dup=2 drop=1600 speed=0.999x
frame= 1603 fps= 60 q=-0.0 50000000000000000000000000000000size=   25088kB
time=00:00:26.70 bitrate=7697.4kbits/s dup=2 drop=1621 speed=0.998x
frame= 1634 fps= 60 q=-0.0 50000000000000000000000000000000size=   25600kB
time=00:00:27.21 bitrate=7705.4kbits/s dup=2 drop=1645 speed=0.999x
frame= 1664 fps= 60 q=-0.0 50000000000000000000000000000000size=   25856kB
time=00:00:27.71 bitrate=7642.1kbits/s dup=2 drop=1666 speed=0.998x
frame= 1695 fps= 60 q=-0.0 50000000000000000000000000000000size=   26368kB
time=00:00:28.23 bitrate=7650.8kbits/s dup=2 drop=1689 speed=0.998x
frame= 1726 fps= 60 q=-0.0 50000000000000000000000000000000size=   26880kB
time=00:00:28.75 bitrate=7659.2kbits/s dup=2 drop=1715 speed=0.999x
frame= 1755 fps= 60 q=-0.0 50000000000000000000000000000000size=   27392kB
time=00:00:29.23 bitrate=7676.0kbits/s dup=2 drop=1739 speed=0.998x
frame= 1786 fps= 60 q=-0.0 50000000000000000000000000000000size=   27904kB
time=00:00:29.75 bitrate=7683.7kbits/s dup=2 drop=1763 speed=0.998x
frame= 1817 fps= 60 q=-0.0 50000000000000000000000000000000size=   28416kB
time=00:00:30.26 bitrate=7691.1kbits/s dup=2 drop=1789 speed=0.999x
frame= 1847 fps= 60 q=-0.0 50000000000000000000000000000000size=   28928kB
time=00:00:30.76 bitrate=7702.4kbits/s dup=2 drop=1817 speed=0.999x
frame= 1879 fps= 60 q=-0.0 50000000000000000000000000000000size=   29440kB
time=00:00:31.30 bitrate=7705.2kbits/s dup=2 drop=1848 speed=0.999x
frame= 1908 fps= 60 q=-0.0 60000000000000000000000000000000size=   29952kB
time=00:00:31.78 bitrate=7720.0kbits/s dup=2 drop=1876 speed=0.999x
frame= 1940 fps= 60 q=-0.0 60000000000000000000000000000000size=   30464kB
time=00:00:32.31 bitrate=7722.4kbits/s dup=2 drop=1907 speed=   1x
frame= 1970 fps= 60 q=-0.0 60000000000000000000000000000000size=   30976kB
time=00:00:32.81 bitrate=7732.5kbits/s dup=2 drop=1935 speed=0.999x
frame= 2001 fps= 60 q=-0.0 60000000000000000000000000000000size=   31488kB
time=00:00:33.33 bitrate=7738.5kbits/s dup=2 drop=1964 speed=   1x
frame= 2029 fps= 60 q=-0.0 60000000000000000000000000000000size=   31744kB
time=00:00:33.80 bitrate=7693.7kbits/s dup=2 drop=1991 speed=0.999x
frame= 2060 fps= 60 q=-0.0 60000000000000000000000000000000size=   32256kB
time=00:00:34.31 bitrate=7700.1kbits/s dup=2 drop=2014 speed=0.999x
frame= 2090 fps= 60 q=-0.0 60000000000000000000000000000000size=   32768kB
time=00:00:34.81 bitrate=7710.0kbits/s dup=2 drop=2037 speed=0.999x
frame= 2120 fps= 60 q=-0.0 60000000000000000000000000000000size=   33024kB
time=00:00:35.31 bitrate=7660.2kbits/s dup=2 drop=2062 speed=0.999x
frame= 2151 fps= 60 q=-0.0 60000000000000000000000000000000size=   33536kB
time=00:00:35.83 bitrate=7666.8kbits/s dup=2 drop=2088 speed=0.999x
frame= 2181 fps= 60 q=-0.0 60000000000000000000000000000000size=   34048kB
time=00:00:36.33 bitrate=7676.7kbits/s dup=2 drop=2116 speed=0.999x
frame= 2212 fps= 60 q=-0.0 60000000000000000000000000000000size=   34560kB
time=00:00:36.85 bitrate=7682.9kbits/s dup=2 drop=2150 speed=0.999x
frame= 2242 fps= 60 q=-0.0 60000000000000000000000000000000size=   35072kB
time=00:00:37.35 bitrate=7692.4kbits/s dup=2 drop=2180 speed=0.999x
frame= 2272 fps= 60 q=-0.0 60000000000000000000000000000000size=   35584kB
time=00:00:37.85 bitrate=7701.6kbits/s dup=2 drop=2216 speed=0.999x
frame= 2302 fps= 60 q=-0.0 60000000000000000000000000000000size=   36096kB
time=00:00:38.35 bitrate=7710.5kbits/s dup=2 drop=2246 speed=0.999x
frame= 2333 fps= 60 q=-0.0 60000000000000000000000000000000size=   36608kB
time=00:00:38.86 bitrate=7715.9kbits/s dup=2 drop=2279 speed=0.999x
frame= 2362 fps= 60 q=-0.0 60000000000000000000000000000000size=   37120kB
time=00:00:39.35 bitrate=7727.7kbits/s dup=2 drop=2311 speed=0.999x
frame= 2392 fps= 60 q=-0.0 60000000000000000000000000000000size=   37632kB
time=00:00:39.85 bitrate=7736.0kbits/s dup=2 drop=2337 speed=0.999x
frame= 2423 fps= 60 q=-0.0 60000000000000000000000000000000size=   37888kB
time=00:00:40.36 bitrate=7689.0kbits/s dup=2 drop=2362 speed=0.999x
frame= 2454 fps= 60 q=-0.0 60000000000000000000000000000000size=   38400kB
time=00:00:40.88 bitrate=7694.4kbits/s dup=2 drop=2390 speed=0.999x
frame= 2484 fps= 60 q=-0.0 60000000000000000000000000000000size=   38912kB
time=00:00:41.38 bitrate=7702.8kbits/s dup=2 drop=2418 speed=0.999x
frame= 2514 fps= 60 q=-0.0 60000000000000000000000000000000size=   39680kB
time=00:00:41.88 bitrate=7761.0kbits/s dup=2 drop=2447 speed=0.999x
frame= 2544 fps= 60 q=-0.0 60000000000000000000000000000000size=   39936kB
time=00:00:42.38 bitrate=7719.0kbits/s dup=2 drop=2473 speed=0.999x
frame= 2575 fps= 60 q=-0.0 60000000000000000000000000000000size=   40448kB
time=00:00:42.90 bitrate=7723.8kbits/s dup=2 drop=2502 speed=   1x
frame= 2604 fps= 60 q=-0.0 60000000000000000000000000000000size=   40704kB
time=00:00:43.38 bitrate=7686.1kbits/s dup=2 drop=2531 speed=0.999x
frame= 2634 fps= 60 q=-0.0 60000000000000000000000000000000size=   41472kB
time=00:00:43.88 bitrate=7741.9kbits/s dup=2 drop=2558 speed=0.999x
frame= 2664 fps= 60 q=-0.0 60000000000000000000000000000000size=   41984kB
time=00:00:44.38 bitrate=7749.1kbits/s dup=2 drop=2582 speed=0.999x
frame= 2695 fps= 60 q=-0.0 60000000000000000000000000000000size=   42240kB
time=00:00:44.90 bitrate=7706.7kbits/s dup=2 drop=2611 speed=0.999x
frame= 2726 fps= 60 q=-0.0 60000000000000000000000000000000size=   42752kB
time=00:00:45.41 bitrate=7711.4kbits/s dup=2 drop=2640 speed=   1x
frame= 2755 fps= 60 q=-0.0 60000000000000000000000000000000size=   43520kB
time=00:00:45.90 bitrate=7767.2kbits/s dup=2 drop=2674 speed=0.999x
frame= 2785 fps= 60 q=-0.0 60000000000000000000000000000000size=   43776kB
time=00:00:46.40 bitrate=7728.7kbits/s dup=2 drop=2698 speed=0.999x
frame= 2816 fps= 60 q=-0.0 60000000000000000000000000000000size=   44288kB
time=00:00:46.91 bitrate=7733.0kbits/s dup=2 drop=2724 speed=0.999x
frame= 2846 fps= 60 q=-0.0 60000000000000000000000000000000size=   44800kB
time=00:00:47.41 bitrate=7739.9kbits/s dup=2 drop=2754 speed=0.999x
frame= 2877 fps= 60 q=-0.0 60000000000000000000000000000000size=   45312kB
time=00:00:47.93 bitrate=7744.0kbits/s dup=2 drop=2787 speed=0.999x
frame= 2907 fps= 60 q=-0.0 60000000000000000000000000000000size=   45568kB
time=00:00:48.43 bitrate=7707.4kbits/s dup=2 drop=2822 speed=0.999x
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time=00:00:48.93 bitrate=7714.3kbits/s dup=2 drop=2854 speed=0.999x
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time=00:00:49.45 bitrate=7718.5kbits/s dup=2 drop=2886 speed=0.999x
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time=00:00:49.96 bitrate=7680.7kbits/s dup=2 drop=2921 speed=   1x
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time=00:00:50.45 bitrate=7731.8kbits/s dup=2 drop=2952 speed=0.999x
frame= 3058 fps= 60 q=-0.0 60000000000000000000000000000000size=   48128kB
time=00:00:50.95 bitrate=7738.3kbits/s dup=2 drop=2977 speed=0.999x
frame= 3089 fps= 60 q=-0.0 60000000000000000000000000000000size=   48640kB
time=00:00:51.46 bitrate=7742.1kbits/s dup=2 drop=3003 speed=0.999x
frame= 3120 fps= 60 q=-0.0 60000000000000000000000000000000size=   49152kB
time=00:00:51.98 bitrate=7745.8kbits/s dup=2 drop=3030 speed=   1x
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time=00:00:52.48 bitrate=7712.0kbits/s dup=2 drop=3060 speed=0.999x
frame= 3180 fps= 60 q=-0.0 60000000000000000000000000000000size=   50176kB
time=00:00:52.98 bitrate=7757.9kbits/s dup=2 drop=3090 speed=0.999x
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time=00:00:53.50 bitrate=7722.2kbits/s dup=2 drop=3118 speed=   1x
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time=00:00:54.00 bitrate=7728.4kbits/s dup=2 drop=3149 speed=0.999x
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time=00:00:54.50 bitrate=7734.4kbits/s dup=2 drop=3184 speed=0.999x
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time=00:00:55.01 bitrate=7738.0kbits/s dup=2 drop=3214 speed=0.999x
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time=00:00:55.51 bitrate=7743.9kbits/s dup=2 drop=3249 speed=0.999x
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time=00:00:56.01 bitrate=7712.2kbits/s dup=2 drop=3284 speed=0.999x
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time=00:00:56.53 bitrate=7715.9kbits/s dup=2 drop=3316 speed=0.999x
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time=00:00:57.03 bitrate=7721.8kbits/s dup=2 drop=3347 speed=0.999x
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time=00:00:57.53 bitrate=7727.6kbits/s dup=2 drop=3379 speed=0.999x
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time=00:00:58.03 bitrate=7733.3kbits/s dup=2 drop=3409 speed=0.999x
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time=00:00:58.55 bitrate=7736.7kbits/s dup=2 drop=3441 speed=   1x
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time=00:00:59.05 bitrate=7742.2kbits/s dup=2 drop=3478 speed=   1x
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time=00:00:59.55 bitrate=7747.7kbits/s dup=2 drop=3506 speed=   1x
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time=00:01:00.05 bitrate=7753.0kbits/s dup=2 drop=3530 speed=0.999x
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time=00:01:00.55 bitrate=7723.6kbits/s dup=2 drop=3559 speed=0.999x
frame= 3664 fps= 60 q=-0.0 60000000000000000000000000000000size=   57600kB
time=00:01:01.05 bitrate=7729.1kbits/s dup=2 drop=3590 speed=0.999x
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time=00:01:01.55 bitrate=7734.4kbits/s dup=2 drop=3615 speed=0.999x
frame= 3725 fps= 60 q=-0.0 60000000000000000000000000000000size=   58624kB
time=00:01:02.06 bitrate=7737.6kbits/s dup=2 drop=3641 speed=   1x
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time=00:01:02.56 bitrate=7776.3kbits/s dup=2 drop=3668 speed=0.999x
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time=00:01:03.06 bitrate=7747.9kbits/s dup=2 drop=3694 speed=0.999x
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time=00:01:03.56 bitrate=7753.0kbits/s dup=2 drop=3722 speed=0.999x
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time=00:01:04.06 bitrate=7757.9kbits/s dup=2 drop=3748 speed=0.999x
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time=00:01:04.56 bitrate=7730.3kbits/s dup=2 drop=3774 speed=0.999x
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time=00:01:05.08 bitrate=7733.4kbits/s dup=2 drop=3800 speed=0.999x
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time=00:01:05.60 bitrate=7736.4kbits/s dup=2 drop=3828 speed=   1x
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time=00:01:06.10 bitrate=7709.6kbits/s dup=2 drop=3859 speed=   1x
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time=00:01:06.60 bitrate=7746.2kbits/s dup=2 drop=3890 speed=0.999x
frame= 4027 fps= 60 q=-0.0 70000000000000000000000000000000size=   63488kB
time=00:01:07.10 bitrate=7751.0kbits/s dup=2 drop=3918 speed=0.999x
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time=00:01:07.60 bitrate=7724.7kbits/s dup=2 drop=3944 speed=0.999x
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time=00:01:08.10 bitrate=7729.6kbits/s dup=2 drop=3965 speed=0.999x
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time=00:01:08.63 bitrate=7730.6kbits/s dup=2 drop=3993 speed=   1x
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time=00:01:09.13 bitrate=7735.4kbits/s dup=2 drop=4021 speed=   1x
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time=00:01:09.63 bitrate=7740.1kbits/s dup=2 drop=4056 speed=   1x
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time=00:01:10.15 bitrate=7742.9kbits/s dup=2 drop=4088 speed=   1x
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time=00:01:10.66 bitrate=7745.6kbits/s dup=2 drop=4120 speed=   1x
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time=00:01:11.16 bitrate=7779.6kbits/s dup=2 drop=4149 speed=   1x
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time=00:01:11.66 bitrate=7783.8kbits/s dup=2 drop=4176 speed=0.999x
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time=00:01:12.18 bitrate=7757.2kbits/s dup=2 drop=4209 speed=   1x
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time=00:01:12.68 bitrate=7732.7kbits/s dup=2 drop=4242 speed=   1x
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time=00:01:13.20 bitrate=7735.4kbits/s dup=2 drop=4274 speed=   1x
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time=00:01:13.71 bitrate=7738.1kbits/s dup=2 drop=4309 speed=   1x
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time=00:01:14.20 bitrate=7744.2kbits/s dup=2 drop=4344 speed=   1x
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time=00:01:14.71 bitrate=7746.8kbits/s dup=2 drop=4379 speed=   1x
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time=00:01:15.21 bitrate=7751.0kbits/s dup=2 drop=4411 speed=   1x
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time=00:01:15.71 bitrate=7727.6kbits/s dup=2 drop=4445 speed=   1x
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time=00:01:16.23 bitrate=7757.7kbits/s dup=2 drop=4483 speed=   1x
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time=00:01:16.73 bitrate=7761.8kbits/s dup=2 drop=4517 speed=   1x
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time=00:01:17.21 bitrate=7740.4kbits/s dup=2 drop=4549 speed=   1x
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time=00:01:17.73 bitrate=7742.9kbits/s dup=2 drop=4580 speed=   1x
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time=00:01:18.21 bitrate=7775.5kbits/s dup=2 drop=4609 speed=0.999x
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time=00:01:18.75 bitrate=7749.5kbits/s dup=2 drop=4640 speed=   1x
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time=00:01:19.23 bitrate=7755.1kbits/s dup=2 drop=4667 speed=0.999x
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time=00:01:19.75 bitrate=7757.5kbits/s dup=2 drop=4694 speed=   1x
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time=00:01:20.26 bitrate=7733.7kbits/s dup=2 drop=4719 speed=   1x
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time=00:01:20.76 bitrate=7737.7kbits/s dup=2 drop=4753 speed=   1x
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time=00:01:21.28 bitrate=7740.2kbits/s dup=2 drop=4783 speed=   1x
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time=00:01:21.78 bitrate=7744.1kbits/s dup=2 drop=4813 speed=   1x
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time=00:01:22.28 bitrate=7748.0kbits/s dup=2 drop=4849 speed=   1x
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time=00:01:22.80 bitrate=7750.3kbits/s dup=2 drop=4885 speed=   1x
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time=00:01:23.30 bitrate=7754.2kbits/s dup=2 drop=4917 speed=   1x
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time=00:01:23.80 bitrate=7732.9kbits/s dup=2 drop=4946 speed=   1x
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time=00:01:24.31 bitrate=7735.3kbits/s dup=2 drop=4983 speed=   1x
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time=00:01:24.81 bitrate=7739.1kbits/s dup=2 drop=5019 speed=   1x
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time=00:01:25.31 bitrate=7743.0kbits/s dup=2 drop=5053 speed=   1x
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time=00:01:25.81 bitrate=7722.3kbits/s dup=2 drop=5084 speed=   1x
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time=00:01:26.33 bitrate=7748.9kbits/s dup=2 drop=5118 speed=   1x
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time=00:01:26.83 bitrate=7728.5kbits/s dup=2 drop=5154 speed=   1x
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time=00:01:27.33 bitrate=7732.2kbits/s dup=2 drop=5190 speed=   1x
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time=00:01:27.83 bitrate=7759.9kbits/s dup=2 drop=5224 speed=   1x
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time=00:01:28.33 bitrate=7763.4kbits/s dup=2 drop=5260 speed=   1x
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time=00:01:28.83 bitrate=7743.3kbits/s dup=2 drop=5294 speed=   1x
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time=00:01:29.35 bitrate=7722.0kbits/s dup=2 drop=5329 speed=   1x
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time=00:01:29.85 bitrate=7725.7kbits/s dup=2 drop=5362 speed=   1x
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time=00:01:30.36 bitrate=7704.8kbits/s dup=2 drop=5395 speed=   1x
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time=00:01:30.86 bitrate=7708.5kbits/s dup=2 drop=5427 speed=   1x
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time=00:01:31.38 bitrate=7710.8kbits/s dup=2 drop=5460 speed=   1x
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time=00:01:31.88 bitrate=7714.5kbits/s dup=2 drop=5496 speed=   1x
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time=00:01:32.38 bitrate=7718.2kbits/s dup=2 drop=5529 speed=   1x
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time=00:01:32.88 bitrate=7721.8kbits/s dup=2 drop=5563 speed=   1x
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time=00:01:33.38 bitrate=7725.4kbits/s dup=2 drop=5593 speed=   1x
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time=00:01:33.88 bitrate=7728.9kbits/s dup=2 drop=5626 speed=   1x
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time=00:01:34.40 bitrate=7731.0kbits/s dup=2 drop=5662 speed=   1x
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time=00:01:34.90 bitrate=7734.5kbits/s dup=2 drop=5694 speed=   1x
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time=00:01:35.38 bitrate=7739.3kbits/s dup=2 drop=5726 speed=   1x
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time=00:01:35.90 bitrate=7741.3kbits/s dup=2 drop=5760 speed=   1x
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time=00:01:36.40 bitrate=7722.9kbits/s dup=2 drop=5795 speed=   1x
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time=00:01:36.90 bitrate=7726.3kbits/s dup=2 drop=5832 speed=   1x
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time=00:01:37.41 bitrate=7728.4kbits/s dup=2 drop=5871 speed=   1x
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time=00:01:37.91 bitrate=7731.8kbits/s dup=2 drop=5907 speed=   1x
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time=00:01:38.41 bitrate=7735.1kbits/s dup=2 drop=5942 speed=   1x
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time=00:01:38.91 bitrate=7717.2kbits/s dup=2 drop=5977 speed=   1x
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time=00:01:39.41 bitrate=7720.6kbits/s dup=2 drop=6013 speed=   1x
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time=00:01:39.93 bitrate=7722.7kbits/s dup=2 drop=6050 speed=   1x
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time=00:01:40.43 bitrate=7726.0kbits/s dup=2 drop=6085 speed=   1x
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time=00:01:40.93 bitrate=7708.5kbits/s dup=2 drop=6119 speed=   1x
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time=00:01:41.45 bitrate=7689.9kbits/s dup=2 drop=6150 speed=   1x
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time=00:01:41.93 bitrate=7694.6kbits/s dup=2 drop=6183 speed=   1x
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time=00:01:42.45 bitrate=7717.2kbits/s dup=2 drop=6215 speed=   1x
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time=00:01:42.95 bitrate=7720.5kbits/s dup=2 drop=6248 speed=   1x
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time=00:01:43.46 bitrate=7722.4kbits/s dup=2 drop=6283 speed=   1x
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time=00:01:43.96 bitrate=7725.6kbits/s dup=2 drop=6319 speed=   1x
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time=00:01:44.46 bitrate=7728.8kbits/s dup=2 drop=6349 speed=   1x
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time=00:01:44.98 bitrate=7710.8kbits/s dup=2 drop=6385 speed=   1x
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time=00:01:45.48 bitrate=7714.0kbits/s dup=2 drop=6421 speed=   1x
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time=00:01:45.98 bitrate=7717.1kbits/s dup=2 drop=6452 speed=   1x
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time=00:01:46.50 bitrate=7719.1kbits/s dup=2 drop=6486 speed=   1x
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time=00:01:47.00 bitrate=7722.2kbits/s dup=2 drop=6519 speed=   1x
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time=00:01:47.50 bitrate=7725.3kbits/s dup=2 drop=6549 speed=   1x
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time=00:01:48.00 bitrate=7709.0kbits/s dup=2 drop=6584 speed=   1x
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time=00:01:48.51 bitrate=7730.2kbits/s dup=2 drop=6619 speed=   1x
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time=00:01:49.00 bitrate=7715.2kbits/s dup=2 drop=6653 speed=   1x
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time=00:01:49.51 bitrate=7717.1kbits/s dup=2 drop=6687 speed=   1x
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time=00:01:50.01 bitrate=7720.2kbits/s dup=2 drop=6721 speed=   1x
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time=00:01:50.53 bitrate=7722.0kbits/s dup=2 drop=6757 speed=   1x
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time=00:01:51.03 bitrate=7725.0kbits/s dup=2 drop=6792 speed=   1x
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time=00:01:51.53 bitrate=7728.0kbits/s dup=2 drop=6825 speed=   1x
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time=00:01:52.03 bitrate=7730.9kbits/s dup=2 drop=6860 speed=   1x
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time=00:01:52.53 bitrate=7733.9kbits/s dup=2 drop=6893 speed=   1x
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time=00:01:53.05 bitrate=7717.1kbits/s dup=2 drop=6927 speed=   1x
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time=00:01:53.55 bitrate=7720.0kbits/s dup=2 drop=6962 speed=   1x
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time=00:01:54.06 bitrate=7721.8kbits/s dup=2 drop=6997 speed=   1x
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time=00:01:54.56 bitrate=7724.7kbits/s dup=2 drop=7030 speed=   1x
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time=00:01:55.06 bitrate=7727.6kbits/s dup=2 drop=7065 speed=   1x
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time=00:01:55.58 bitrate=7729.4kbits/s dup=2 drop=7102 speed=   1x
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time=00:01:56.08 bitrate=7714.1kbits/s dup=2 drop=7138 speed=   1x
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time=00:01:56.58 bitrate=7717.0kbits/s dup=2 drop=7173 speed=   1x
frame= 7026 fps= 60 q=-0.0 70000000000000000000000000000000size=  110336kB
time=00:01:57.08 bitrate=7719.9kbits/s dup=2 drop=7206 speed=   1x
frame= 7057 fps= 60 q=-0.0 70000000000000000000000000000000size=  110848kB
time=00:01:57.60 bitrate=7721.7kbits/s dup=2 drop=7242 speed=   1x
frame= 7086 fps= 60 q=-0.0 70000000000000000000000000000000size=  111360kB
time=00:01:58.08 bitrate=7725.6kbits/s dup=2 drop=7277 speed=   1x
frame= 7117 fps= 60 q=-0.0 70000000000000000000000000000000size=  111872kB
time=00:01:58.60 bitrate=7727.3kbits/s dup=2 drop=7312 speed=   1x
frame= 7146 fps= 60 q=-0.0 70000000000000000000000000000000size=  112128kB
time=00:01:59.08 bitrate=7713.5kbits/s dup=2 drop=7346 speed=   1x
frame= 7177 fps= 60 q=-0.0 70000000000000000000000000000000size=  112640kB
time=00:01:59.60 bitrate=7715.3kbits/s dup=2 drop=7379 speed=   1x
frame= 7207 fps= 60 q=-0.0 70000000000000000000000000000000size=  113152kB
time=00:02:00.10 bitrate=7718.1kbits/s dup=2 drop=7412 speed=   1x
frame= 7238 fps= 60 q=-0.0 70000000000000000000000000000000size=  113664kB
time=00:02:00.61 bitrate=7719.8kbits/s dup=2 drop=7441 speed=   1x
frame= 7268 fps= 60 q=-0.0 70000000000000000000000000000000size=  114176kB
time=00:02:01.11 bitrate=7722.6kbits/s dup=2 drop=7475 speed=   1x
frame= 7299 fps= 60 q=-0.0 70000000000000000000000000000000size=  114688kB
time=00:02:01.63 bitrate=7724.2kbits/s dup=2 drop=7510 speed=   1x
frame= 7328 fps= 60 q=-0.0 70000000000000000000000000000000size=  114944kB
time=00:02:02.11 bitrate=7710.8kbits/s dup=2 drop=7544 speed=   1x
frame= 7358 fps= 60 q=-0.0 70000000000000000000000000000000size=  115456kB
time=00:02:02.61 bitrate=7713.6kbits/s dup=2 drop=7577 speed=   1x
frame= 7389 fps= 60 q=-0.0 70000000000000000000000000000000size=  115968kB
time=00:02:03.13 bitrate=7715.3kbits/s dup=2 drop=7608 speed=   1x
frame= 7419 fps= 60 q=-0.0 70000000000000000000000000000000size=  116480kB
time=00:02:03.63 bitrate=7718.0kbits/s dup=2 drop=7640 speed=   1x
frame= 7450 fps= 60 q=-0.0 70000000000000000000000000000000size=  116992kB
time=00:02:04.15 bitrate=7719.7kbits/s dup=2 drop=7674 speed=   1x
frame= 7480 fps= 60 q=-0.0 70000000000000000000000000000000size=  117504kB
time=00:02:04.65 bitrate=7722.4kbits/s dup=2 drop=7708 speed=   1x
frame= 7510 fps= 60 q=-0.0 70000000000000000000000000000000size=  117760kB
time=00:02:05.15 bitrate=7708.3kbits/s dup=2 drop=7741 speed=   1x
frame= 7540 fps= 60 q=-0.0 70000000000000000000000000000000size=  118016kB
time=00:02:05.65 bitrate=7694.3kbits/s dup=2 drop=7769 speed=   1x
frame= 7570 fps= 60 q=-0.0 70000000000000000000000000000000size=  118272kB
time=00:02:06.15 bitrate=7680.4kbits/s dup=2 drop=7793 speed=   1x
frame= 7601 fps= 60 q=-0.0 70000000000000000000000000000000size=  118784kB
time=00:02:06.66 bitrate=7682.2kbits/s dup=2 drop=7825 speed=   1x
frame= 7631 fps= 60 q=-0.0 70000000000000000000000000000000size=  119296kB
time=00:02:07.16 bitrate=7685.0kbits/s dup=2 drop=7857 speed=   1x
frame= 7662 fps= 60 q=-0.0 70000000000000000000000000000000size=  119808kB
time=00:02:07.68 bitrate=7686.7kbits/s dup=2 drop=7891 speed=   1x
frame= 7692 fps= 60 q=-0.0 70000000000000000000000000000000size=  120320kB
time=00:02:08.18 bitrate=7689.5kbits/s dup=2 drop=7924 speed=   1x
frame= 7722 fps= 60 q=-0.0 80000000000000000000000000000000size=  120832kB
time=00:02:08.68 bitrate=7692.2kbits/s dup=2 drop=7957 speed=   1x
frame= 7753 fps= 60 q=-0.0 80000000000000000000000000000000size=  121344kB
time=00:02:09.20 bitrate=7693.9kbits/s dup=2 drop=7989 speed=   1x
frame= 7783 fps= 60 q=-0.0 80000000000000000000000000000000size=  121856kB
time=00:02:09.70 bitrate=7696.6kbits/s dup=2 drop=8017 speed=   1x
frame= 7813 fps= 60 q=-0.0 80000000000000000000000000000000size=  122368kB
time=00:02:10.20 bitrate=7699.2kbits/s dup=2 drop=8044 speed=   1x
frame= 7843 fps= 60 q=-0.0 80000000000000000000000000000000size=  122624kB
time=00:02:10.70 bitrate=7685.8kbits/s dup=2 drop=8070 speed=   1x
frame= 7873 fps= 60 q=-0.0 80000000000000000000000000000000size=  123648kB
time=00:02:11.20 bitrate=7720.5kbits/s dup=2 drop=8097 speed=   1x
frame= 7903 fps= 60 q=-0.0 80000000000000000000000000000000size=  124160kB
time=00:02:11.70 bitrate=7723.0kbits/s dup=2 drop=8121 speed=   1x
frame= 7934 fps= 60 q=-0.0 80000000000000000000000000000000size=  124928kB
time=00:02:12.21 bitrate=7740.4kbits/s dup=2 drop=8147 speed=   1x
frame= 7964 fps= 60 q=-0.0 80000000000000000000000000000000size=  125184kB
time=00:02:12.71 bitrate=7727.0kbits/s dup=2 drop=8173 speed=   1x
frame= 7994 fps= 60 q=-0.0 80000000000000000000000000000000size=  125440kB
time=00:02:13.21 bitrate=7713.8kbits/s dup=2 drop=8197 speed=   1x
frame= 8024 fps= 60 q=-0.0 80000000000000000000000000000000size=  125952kB
time=00:02:13.71 bitrate=7716.3kbits/s dup=2 drop=8219 speed=   1x
frame= 8054 fps= 60 q=-0.0 80000000000000000000000000000000size=  126464kB
time=00:02:14.21 bitrate=7718.8kbits/s dup=2 drop=8243 speed=   1x
frame= 8085 fps= 60 q=-0.0 80000000000000000000000000000000size=  126976kB
time=00:02:14.73 bitrate=7720.3kbits/s dup=2 drop=8270 speed=   1x
frame= 8116 fps= 60 q=-0.0 80000000000000000000000000000000size=  127488kB
time=00:02:15.25 bitrate=7721.9kbits/s dup=2 drop=8301 speed=   1x
frame= 8145 fps= 60 q=-0.0 80000000000000000000000000000000size=  128000kB
time=00:02:15.73 bitrate=7725.3kbits/s dup=2 drop=8328 speed=   1x
frame= 8176 fps= 60 q=-0.0 80000000000000000000000000000000size=  128256kB
time=00:02:16.25 bitrate=7711.4kbits/s dup=2 drop=8357 speed=   1x
frame= 8205 fps= 60 q=-0.0 80000000000000000000000000000000size=  128768kB
time=00:02:16.73 bitrate=7714.8kbits/s dup=2 drop=8385 speed=   1x
frame= 8236 fps= 60 q=-0.0 80000000000000000000000000000000size=  129280kB
time=00:02:17.25 bitrate=7716.3kbits/s dup=2 drop=8413 speed=   1x
frame= 8266 fps= 60 q=-0.0 80000000000000000000000000000000size=  129792kB
time=00:02:17.75 bitrate=7718.7kbits/s dup=2 drop=8440 speed=   1x
frame= 8297 fps= 60 q=-0.0 80000000000000000000000000000000size=  130304kB
time=00:02:18.26 bitrate=7720.2kbits/s dup=2 drop=8470 speed=   1x
frame= 8327 fps= 60 q=-0.0 80000000000000000000000000000000size=  130560kB
time=00:02:18.76 bitrate=7707.5kbits/s dup=2 drop=8503 speed=   1x
frame= 8355 fps= 60 q=-0.0 80000000000000000000000000000000size=  131072kB
time=00:02:19.23 bitrate=7711.8kbits/s dup=2 drop=8532 speed=   1x
frame= 8387 fps= 60 q=-0.0 80000000000000000000000000000000size=  131584kB
time=00:02:19.76 bitrate=7712.4kbits/s dup=2 drop=8557 speed=   1x
frame= 8417 fps= 60 q=-0.0 80000000000000000000000000000000size=  132096kB
time=00:02:20.26 bitrate=7714.8kbits/s dup=2 drop=8585 speed=   1x
frame= 8448 fps= 60 q=-0.0 80000000000000000000000000000000size=  132608kB
time=00:02:20.78 bitrate=7716.3kbits/s dup=2 drop=8609 speed=   1x
frame= 8478 fps= 60 q=-0.0 80000000000000000000000000000000size=  133120kB
time=00:02:21.28 bitrate=7718.7kbits/s dup=2 drop=8639 speed=   1x
frame= 8508 fps= 60 q=-0.0 80000000000000000000000000000000size=  133632kB
time=00:02:21.78 bitrate=7721.0kbits/s dup=2 drop=8671 speed=   1x
frame= 8539 fps= 60 q=-0.0 80000000000000000000000000000000size=  134144kB
time=00:02:22.30 bitrate=7722.5kbits/s dup=2 drop=8704 speed=   1x
frame= 8568 fps= 60 q=-0.0 80000000000000000000000000000000size=  134400kB
time=00:02:22.78 bitrate=7711.0kbits/s dup=2 drop=8732 speed=   1x
frame= 8599 fps= 60 q=-0.0 80000000000000000000000000000000size=  134912kB
time=00:02:23.30 bitrate=7712.5kbits/s dup=2 drop=8759 speed=   1x
frame= 8630 fps= 60 q=-0.0 80000000000000000000000000000000size=  135680kB
time=00:02:23.81 bitrate=7728.5kbits/s dup=2 drop=8789 speed=   1x
frame= 8660 fps= 60 q=-0.0 80000000000000000000000000000000size=  136192kB
time=00:02:24.31 bitrate=7730.8kbits/s dup=2 drop=8822 speed=   1x
frame= 8690 fps= 60 q=-0.0 80000000000000000000000000000000size=  136704kB
time=00:02:24.81 bitrate=7733.1kbits/s dup=2 drop=8857 speed=   1x
frame= 8720 fps= 60 q=-0.0 80000000000000000000000000000000size=  136960kB
time=00:02:25.31 bitrate=7720.9kbits/s dup=2 drop=8890 speed=   1x
frame= 8750 fps= 60 q=-0.0 80000000000000000000000000000000size=  137472kB
time=00:02:25.81 bitrate=7723.2kbits/s dup=2 drop=8923 speed=   1x
frame= 8781 fps= 60 q=-0.0 80000000000000000000000000000000size=  137984kB
time=00:02:26.33 bitrate=7724.6kbits/s dup=2 drop=8954 speed=   1x
frame= 8811 fps= 60 q=-0.0 80000000000000000000000000000000size=  138240kB
time=00:02:26.83 bitrate=7712.6kbits/s dup=2 drop=8987 speed=   1x
frame= 8841 fps= 60 q=-0.0 80000000000000000000000000000000size=  138752kB
time=00:02:27.33 bitrate=7714.9kbits/s dup=2 drop=9016 speed=   1x
frame= 8872 fps= 60 q=-0.0 80000000000000000000000000000000size=  139264kB
time=00:02:27.85 bitrate=7716.3kbits/s dup=2 drop=9044 speed=   1x
frame= 8901 fps= 60 q=-0.0 80000000000000000000000000000000size=  139776kB
time=00:02:28.33 bitrate=7719.4kbits/s dup=2 drop=9073 speed=   1x
frame= 8932 fps= 60 q=-0.0 80000000000000000000000000000000size=  140288kB
time=00:02:28.85 bitrate=7720.8kbits/s dup=2 drop=9099 speed=   1x
frame= 8963 fps= 60 q=-0.0 80000000000000000000000000000000size=  140800kB
time=00:02:29.36 bitrate=7722.2kbits/s dup=2 drop=9127 speed=   1x
frame= 8993 fps= 60 q=-0.0 80000000000000000000000000000000size=  141056kB
time=00:02:29.86 bitrate=7710.4kbits/s dup=2 drop=9161 speed=   1x
frame= 9023 fps= 60 q=-0.0 80000000000000000000000000000000size=  141824kB
time=00:02:30.36 bitrate=7726.6kbits/s dup=2 drop=9192 speed=   1x
frame= 9053 fps= 60 q=-0.0 80000000000000000000000000000000size=  142336kB
time=00:02:30.86 bitrate=7728.8kbits/s dup=2 drop=9222 speed=   1x
frame= 9082 fps= 60 q=-0.0 80000000000000000000000000000000size=  142592kB
time=00:02:31.35 bitrate=7718.0kbits/s dup=2 drop=9247 speed=   1x
frame= 9112 fps= 60 q=-0.0 80000000000000000000000000000000size=  143104kB
time=00:02:31.85 bitrate=7720.2kbits/s dup=2 drop=9274 speed=   1x
frame= 9142 fps= 60 q=-0.0 80000000000000000000000000000000size=  143616kB
time=00:02:32.35 bitrate=7722.4kbits/s dup=2 drop=9299 speed=   1x
frame= 9173 fps= 60 q=-0.0 80000000000000000000000000000000size=  144640kB
time=00:02:32.86 bitrate=7751.1kbits/s dup=2 drop=9330 speed=   1x
frame= 9204 fps= 60 q=-0.0 80000000000000000000000000000000size=  144640kB
time=00:02:33.38 bitrate=7725.0kbits/s dup=2 drop=9358 speed=   1x
frame= 9234 fps= 60 q=-0.0 80000000000000000000000000000000size=  145152kB
time=00:02:33.88 bitrate=7727.2kbits/s dup=2 drop=9386 speed=   1x
frame= 9264 fps= 60 q=-0.0 80000000000000000000000000000000size=  145664kB
time=00:02:34.38 bitrate=7729.3kbits/s dup=2 drop=9409 speed=   1x
frame= 9295 fps= 60 q=-0.0 80000000000000000000000000000000size=  146176kB
time=00:02:34.90 bitrate=7730.6kbits/s dup=2 drop=9433 speed=   1x
frame= 9325 fps= 60 q=-0.0 80000000000000000000000000000000size=  146688kB
time=00:02:35.40 bitrate=7732.7kbits/s dup=2 drop=9461 speed=   1x
frame= 9355 fps= 60 q=-0.0 80000000000000000000000000000000size=  147200kB
time=00:02:35.90 bitrate=7734.8kbits/s dup=2 drop=9494 speed=   1x
frame= 9386 fps= 60 q=-0.0 80000000000000000000000000000000size=  147712kB
time=00:02:36.41 bitrate=7736.1kbits/s dup=2 drop=9525 speed=   1x
frame= 9416 fps= 60 q=-0.0 80000000000000000000000000000000size=  147968kB
time=00:02:36.91 bitrate=7724.8kbits/s dup=2 drop=9553 speed=   1x
[matroska,webm @ 0x561ba187d440] Element at 0x12a19b6f ending at 0x12a1a20e
exceeds containing master element ending at 0x12a19b69
frame= 9440 fps= 60 q=-0.0 L80000000000000000000000000000000size=  148660kB
time=00:02:37.31 bitrate=7741.2kbits/s dup=2 drop=9577 speed=   1x
video:148620kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.026935%
bench: utime=66.689s stime=8.495s rtime=157.349s
bench: maxrss=114260kB

Message of interest:

[vp9_vaapi @ 0x561ba18831c0] Multiple slices were requested but this codec
does not support controlling slices.
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Re: A query on slice based encoding in vp9_vaapi

Xiang, Haihao

Hi Dennis,

Sorry for slow response. Unlike h265/h264, VP9 doesn't have slice.


> Hello there,
> According to the VAAPI encoder docs, slice based encoding can be enabled
> for the respective encoders via the -slices:v n where n is the number of
> slices so desired.
> However, toggling this option on for the vp9_vaapi encoder results in a
> warning on initialization about slice based encoding not being supported,
> but the encoder runs nonetheless to completion.
> I’ll post the console output (and ffmpeg build version ) when I’m at the
> desk, but the question remains: Is there a specific reason as to why slice
> based encoding is disabled (or not implemented) in this encoder?
> This query is a redirect from this issue on the intel vaapi driver project
> https://github.com/intel/intel-vaapi-driver/issues/452 as they may be
> related. If this isn’t the right place to ask this question, let me know.

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