Windows build starts slow on encoding

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Windows build starts slow on encoding

Bouke / VideoToolShed
Latest Zeranoe builds (Windows) have a very long delay before starting transcoding.
It seems not to be related on in/output codecs
-c:v copy is fast as usual, as is just getting metadata (omitting output), but anything else has a delay of about 10 seconds (at least) between spitting out the initial setup info and the actual start of encoding.

Below is a sample output, but again, it’s not related to the codecs afaik.

Thx,

Bouke

ffmpeg version N-93569-gf9840cd2b5 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 8.3.1 (GCC) 20190414
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --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 --enable-libopenmpt
  libavutil      56. 26.100 / 56. 26.100
  libavcodec     58. 51.100 / 58. 51.100
  libavformat    58. 27.102 / 58. 27.102
  libavdevice    58.  7.100 / 58.  7.100
  libavfilter     7. 48.100 /  7. 48.100
  libswscale      5.  4.100 /  5.  4.100
  libswresample   3.  4.100 /  3.  4.100
  libpostproc    55.  4.100 / 55.  4.100
Guessed Channel Layout for Input Stream #0.1 : mono
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Guessed Channel Layout for Input Stream #0.4 : mono
Input #0, mxf, from 'X:\Cam examples\CanonXF705\A003C032H1801230A_CANON.MXF':
  Metadata:
    operational_pattern_ul: 060e2b34.04010101.0d010201.01010900
    uid             : 4ca2d441-8105-4901-802f-ae3689900021
    generation_uid  : 4ca2d441-8105-4903-802f-ae3689900021
    company_name    : CANON
    product_name    : XF705
    product_version : 1.00
    product_uid     : 060e2b34-0401-010d-0e15-005658460400
    modification_date: 2018-01-23T23:45:08.000000Z
    material_package_umid: 0x060A2B340101010501010D4313000000CD7E1655418105800000853689900021
    timecode        : 00:25:16;23
  Duration: 00:00:32.03, start: 0.000000, bitrate: 156207 kb/s
    Stream #0:0: Video: hevc (Rext), yuv422p10le(pc, bt709/bt709/unknown, progressive), 3840x2160 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 29.97 tbn, 29.97 tbc
    Metadata:
      file_package_umid: 0x060A2B340101010501010D4313000000CD7E1654418105800000853689900021
    Stream #0:1: Audio: pcm_s24le, 48000 Hz, mono, s32 (24 bit), 1152 kb/s
    Metadata:
      file_package_umid: 0x060A2B340101010501010D4313000000CD7E1654418105800000853689900021
    Stream #0:2: Audio: pcm_s24le, 48000 Hz, mono, s32 (24 bit), 1152 kb/s
    Metadata:
      file_package_umid: 0x060A2B340101010501010D4313000000CD7E1654418105800000853689900021
    Stream #0:3: Audio: pcm_s24le, 48000 Hz, mono, s32 (24 bit), 1152 kb/s
    Metadata:
      file_package_umid: 0x060A2B340101010501010D4313000000CD7E1654418105800000853689900021
    Stream #0:4: Audio: pcm_s24le, 48000 Hz, mono, s32 (24 bit), 1152 kb/s
    Metadata:
      file_package_umid: 0x060A2B340101010501010D4313000000CD7E1654418105800000853689900021
Stream mapping:
  Stream #0:0 -> #0:0 (hevc (native) -> prores (native))
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=    0 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    
Output #0, mov, to 'X:\Cam examples\CanonXF705\A003C032H1801230A_CANON.mov':
  Metadata:
    operational_pattern_ul: 060e2b34.04010101.0d010201.01010900
    uid             : 4ca2d441-8105-4901-802f-ae3689900021
    generation_uid  : 4ca2d441-8105-4903-802f-ae3689900021
    company_name    : CANON
    product_name    : XF705
    product_version : 1.00
    product_uid     : 060e2b34-0401-010d-0e15-005658460400
    modification_date: 2018-01-23T23:45:08.000000Z
    material_package_umid: 0x060A2B340101010501010D4313000000CD7E1655418105800000853689900021
    timecode        : 00:25:16;23
    encoder         : Lavf58.27.102
    Stream #0:0: Video: prores (Proxy) (apco / 0x6F637061), yuv422p10le, 320x240 [SAR 4:3 DAR 16:9], q=2-31, 200 kb/s, 0.03 fps, 30k tbn, 29.97 tbc
    Metadata:
      file_package_umid: 0x060A2B340101010501010D4313000000CD7E1654418105800000853689900021
      encoder         : Lavc58.51.100 prores
    Stream #0:1: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32 (24 bit), 1152 kb/s
    Metadata:
      file_package_umid: 0x060A2B340101010501010D4313000000CD7E1654418105800000853689900021
frame=    1 fps=0.0 q=0.0 size=       0kB time=00:00:00.60 bitrate=   0.5kbits/s speed=0.0265x    
frame=   17 fps=0.7 q=-0.0 size=       0kB time=00:00:01.13 bitrate=   0.3kbits/s speed=0.0489x    
frame=   32 fps=1.3 q=-0.0 size=     256kB time=00:00:01.63 bitrate=1282.9kbits/s speed=0.0688x    
frame=   49 fps=2.0 q=-0.0 size=     512kB time=00:00:02.20 bitrate=1904.7kbits/s speed=0.0906x    
frame=   67 fps=2.7 q=-0.0 size=     768kB time=00:00:02.80 bitrate=2244.8kbits/s speed=0.113x    
frame=   83 fps=3.2 q=-0.0 size=    1024kB time=00:00:03.33 bitrate=2514.2kbits/s speed=0.131x    
frame=  102 fps=3.9 q=-0.0 size=    1280kB time=00:00:03.97 bitrate=2640.9kbits/s speed=0.152x    
frame=  120 fps=4.5 q=-0.0 size=    1536kB time=00:00:04.57 bitrate=2752.7kbits/s speed=0.171x    
frame=  143 fps=5.2 q=-0.0 size=    1792kB time=00:00:05.33 bitrate=2749.8kbits/s speed=0.196x    
frame=  158 fps=5.7 q=-0.0 size=    2048kB time=00:00:05.83 bitrate=2873.3kbits/s speed=0.21x    
frame=  180 fps=6.4 q=-0.0 size=    2304kB time=00:00:06.57 bitrate=2871.4kbits/s speed=0.232x    
frame=  192 fps=6.7 q=-0.0 size=    2560kB time=00:00:06.97 bitrate=3007.3kbits/s speed=0.242x    
frame=  215 fps=7.3 q=-0.0 size=    2816kB time=00:00:07.74 bitrate=2980.1kbits/s speed=0.263x    
frame=  229 fps=7.7 q=-0.0 size=    3072kB time=00:00:08.20 bitrate=3066.0kbits/s speed=0.274x    
frame=  247 fps=8.1 q=-0.0 size=    3328kB time=00:00:08.80 bitrate=3095.0kbits/s speed=0.288x    
frame=  268 fps=8.6 q=-0.0 size=    3584kB time=00:00:09.50 bitrate=3087.5kbits/s speed=0.306x    
frame=  286 fps=9.0 q=-0.0 size=    3840kB time=00:00:10.11 bitrate=3111.5kbits/s speed=0.319x    
frame=  305 fps=9.5 q=-0.0 size=    4096kB time=00:00:10.74 bitrate=3123.1kbits/s speed=0.334x    
frame=  318 fps=9.7 q=-0.0 size=    4096kB time=00:00:11.17 bitrate=3001.9kbits/s speed=0.342x    
frame=  337 fps= 10 q=-0.0 size=    4352kB time=00:00:11.81 bitrate=3018.3kbits/s speed=0.356x    
frame=  351 fps= 10 q=-0.0 size=    4608kB time=00:00:12.27 bitrate=3074.3kbits/s speed=0.363x    
frame=  370 fps= 11 q=-0.0 size=    4864kB time=00:00:12.91 bitrate=3085.8kbits/s speed=0.376x    
frame=  391 fps= 11 q=-0.0 size=    5120kB time=00:00:13.61 bitrate=3081.0kbits/s speed=0.39x    
frame=  408 fps= 12 q=-0.0 size=    5376kB time=00:00:14.18 bitrate=3105.6kbits/s speed=0.401x    
frame=  425 fps= 12 q=-0.0 size=    5632kB time=00:00:14.74 bitrate=3128.4kbits/s speed=0.411x    
frame=  443 fps= 12 q=-0.0 size=    5888kB time=00:00:15.34 bitrate=3142.6kbits/s speed=0.421x    
frame=  455 fps= 12 q=-0.0 size=    6144kB time=00:00:15.74 bitrate=3195.9kbits/s speed=0.425x    
frame=  478 fps= 13 q=-0.0 size=    6400kB time=00:00:16.51 bitrate=3174.3kbits/s speed=0.438x    
frame=  499 fps= 13 q=-0.0 size=    6656kB time=00:00:17.21 bitrate=3167.0kbits/s speed=0.449x    
frame=  515 fps= 13 q=-0.0 size=    6912kB time=00:00:17.75 bitrate=3189.9kbits/s speed=0.455x    
frame=  535 fps= 13 q=-0.0 size=    7168kB time=00:00:18.41 bitrate=3188.1kbits/s speed=0.465x    
frame=  551 fps= 14 q=-0.0 size=    7168kB time=00:00:18.95 bitrate=3098.3kbits/s speed=0.47x    
frame=  572 fps= 14 q=-0.0 size=    7424kB time=00:00:19.65 bitrate=3094.6kbits/s speed=0.481x    
frame=  590 fps= 14 q=-0.0 size=    7680kB time=00:00:20.25 bitrate=3106.4kbits/s speed=0.49x    
frame=  605 fps= 14 q=-0.0 size=    7936kB time=00:00:20.75 bitrate=3132.5kbits/s speed=0.496x    
frame=  622 fps= 15 q=-0.0 size=    7936kB time=00:00:21.32 bitrate=3049.2kbits/s speed=0.503x    
frame=  632 fps= 15 q=-0.0 size=    8192kB time=00:00:21.65 bitrate=3099.0kbits/s speed=0.504x    
frame=  651 fps= 15 q=-0.0 size=    8448kB time=00:00:22.28 bitrate=3105.0kbits/s speed=0.512x    
frame=  669 fps= 15 q=-0.0 size=    8448kB time=00:00:22.88 bitrate=3023.5kbits/s speed=0.519x    
frame=  685 fps= 15 q=-0.0 size=    8704kB time=00:00:23.42 bitrate=3044.1kbits/s speed=0.525x    
frame=  704 fps= 16 q=-0.0 size=    8960kB time=00:00:24.05 bitrate=3051.1kbits/s speed=0.533x    
frame=  721 fps= 16 q=-0.0 size=    8960kB time=00:00:24.62 bitrate=2980.8kbits/s speed=0.54x    
frame=  735 fps= 16 q=-0.0 size=    9216kB time=00:00:25.09 bitrate=3008.9kbits/s speed=0.542x    
frame=  751 fps= 16 q=-0.0 size=    9472kB time=00:00:25.62 bitrate=3028.0kbits/s speed=0.546x    
frame=  775 fps= 16 q=-0.0 size=    9728kB time=00:00:26.42 bitrate=3015.6kbits/s speed=0.556x    
frame=  794 fps= 17 q=-0.0 size=    9984kB time=00:00:27.06 bitrate=3022.5kbits/s speed=0.563x    
frame=  814 fps= 17 q=-0.0 size=    9984kB time=00:00:27.72 bitrate=2949.7kbits/s speed=0.571x    
frame=  830 fps= 17 q=-0.0 size=   10240kB time=00:00:28.26 bitrate=2968.2kbits/s speed=0.576x    
frame=  847 fps= 17 q=-0.0 size=   10496kB time=00:00:28.82 bitrate=2982.6kbits/s speed=0.581x    
frame=  868 fps= 17 q=-0.0 size=   10752kB time=00:00:29.52 bitrate=2982.8kbits/s speed=0.587x    
frame=  888 fps= 17 q=-0.0 size=   11008kB time=00:00:30.19 bitrate=2986.3kbits/s speed=0.595x    
frame=  902 fps= 18 q=-0.0 size=   11008kB time=00:00:30.66 bitrate=2940.8kbits/s speed=0.598x    
frame=  916 fps= 18 q=-0.0 size=   11264kB time=00:00:31.13 bitrate=2964.1kbits/s speed=0.601x    
frame=  934 fps= 18 q=-0.0 size=   11520kB time=00:00:31.73 bitrate=2974.1kbits/s speed=0.607x    
frame=  959 fps= 18 q=-0.0 size=   11776kB time=00:00:31.99 bitrate=3014.8kbits/s speed=0.606x    
frame=  960 fps= 18 q=-0.0 Lsize=   11994kB time=00:00:31.99 bitrate=3070.5kbits/s speed=0.606x    
video:7470kB audio:4504kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.160097%

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Re: Windows build starts slow on encoding

Carl Eugen Hoyos-2
2019-04-15 13:05 GMT+02:00, Bouke / VideoToolShed <[hidden email]>:
> Latest Zeranoe builds (Windows) have a very long delay
> before starting transcoding.

This sentence would indicate that you posted on the wrong
mailing list.

Maybe your issue is that reading mxf files takes longer
than in the past?

Carl Eugen
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Re: Windows build starts slow on encoding

Bouke / VideoToolShed

> On 15 Apr 2019, at 13:06, Carl Eugen Hoyos <[hidden email]> wrote:
>
> 2019-04-15 13:05 GMT+02:00, Bouke / VideoToolShed <[hidden email]>:
>> Latest Zeranoe builds (Windows) have a very long delay
>> before starting transcoding.
>
> This sentence would indicate that you posted on the wrong
> mailing list.

Perhaps, but I can’t compile myself sadly.
I’ll see if I can get help somewhere else.


> Maybe your issue is that reading mxf files takes longer
> than in the past?

Nope, it happens on all input files.

Bouke

>
> Carl Eugen
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> [hidden email] with subject "unsubscribe".

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Re: Windows build starts slow on encoding

Moritz Barsnick
In reply to this post by Bouke / VideoToolShed
On Mon, Apr 15, 2019 at 13:05:08 +0200, Bouke / VideoToolShed wrote:
> Latest Zeranoe builds (Windows) have a very long delay before starting transcoding.
> It seems not to be related on in/output codecs

Since Zeranoe provides older versions: Can you pin-point with which
version this changed? And by how much? (E.g. find the version where it
changed, and post "before/after" logs.)

I haven't observed this and can't reproduce, so I'd like to a) rule out
something changed on your side, and b) understand which change may have
introduced this.

Thanks,
Moritz
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