[FFmpeg-trac] #9728(undetermined:new): speed not displayed when encoding 2 pass with no audio

[FFmpeg]

#9728: speed not displayed when encoding 2 pass with no audio
-------------------------------------+-------------------------------------
             Reporter:  xamarin      |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by xamarin):

 Sample log:


 {{{

 % ffmpeg -i input.mp4 -an -c:v libvpx-vp9 -b:v 1000k -r 25 -pass 1 -f null
 NUL && ffmpeg -i input.mp4 -an -c:v libvpx-vp9 -b:v 1000k -r 25 -pass 2
 video.webm
 ...
 ffmpeg version 2022-04-11-git-d6d46a2c50-full_build-www.gyan.dev Copyright
 (c) 2000-2022 the FFmpeg developers
   built with gcc 11.2.0 (Rev7, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 w32threads --disable-autodetect --enable-fontconfig --enable-iconv
 --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma
 --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt
 --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray
 --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libdavs2
 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1
 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2
 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx
 --enable-mediafoundation --enable-libass --enable-frei0r --enable-
 libfreetype --enable-libfribidi --enable-liblensfun --enable-libvidstab
 --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm
 --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-
 d3d11va --enable-dxva2 --enable-libmfx --enable-libshaderc --enable-vulkan
 --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme
 --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb
 --enable-libmp3lame --enable-libshine --enable-libtheora --enable-
 libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm
 --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-
 libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-
 libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
   libavutil      57. 24.101 / 57. 24.101
   libavcodec     59. 26.100 / 59. 26.100
   libavformat    59. 21.100 / 59. 21.100
   libavdevice    59.  6.100 / 59.  6.100
   libavfilter     8. 30.100 /  8. 30.100
   libswscale      6.  6.100 /  6.  6.100
   libswresample   4.  6.100 /  4.  6.100
   libpostproc    56.  5.100 / 56.  5.100
 [mov,mp4,m4a,3gp,3g2,mj2 @ 00000296520b6100] Skipping unhandled metadata
 com.android.video.temporal_layers_count of type 67
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 0
     compatible_brands: isommp42
     creation_time   : 2022-04-11T16:54:26.000000Z
     com.android.version: 12
     com.android.capture.fps: 60.000000
   Duration: 03:00:13.63, start: 0.000000, bitrate: 3813 kb/s
   Stream #0:0[0x1](eng): Video: h264 (High) (avc1 / 0x31637661),
 yuv420p(tv, bt709, progressive), 2280x1080, 3675 kb/s, 48.33 fps, 90k tbr,
 90k tbn (default)
     Metadata:
       creation_time   : 2022-04-11T16:54:26.000000Z
       handler_name    : VideoHandle
       vendor_id       : [0][0][0][0]
   Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
 mono, fltp, 128 kb/s (default)
     Metadata:
       creation_time   : 2022-04-11T16:54:26.000000Z
       handler_name    : SoundHandle
       vendor_id       : [0][0][0][0]
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> vp9 (libvpx-vp9))
 Press [q] to stop, [?] for help
 [libvpx-vp9 @ 000002965216b740] v1.11.0-141-g6e1b7c6c1
 Output #0, null, to 'NUL':
   Metadata:
     major_brand     : mp42
     minor_version   : 0
     compatible_brands: isommp42
     com.android.capture.fps: 60.000000
     com.android.version: 12
     encoder         : Lavf59.21.100
   Stream #0:0(eng): Video: vp9, yuv420p(tv, bt709, progressive),
 2280x1080, q=2-31, 1000 kb/s, 25 fps, 25 tbn (default)
     Metadata:
       creation_time   : 2022-04-11T16:54:26.000000Z
       handler_name    : VideoHandle
       vendor_id       : [0][0][0][0]
       encoder         : Lavc59.26.100 libvpx-vp9
     Side data:
       cpb: bitrate max/min/avg: 0/0/1000000 buffer size: 0 vbv_delay: N/A
 frame=  368 fps= 32 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=
 0x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Output file is empty, nothing was encoded
 Exiting normally, received signal 2.

 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9728#comment:4>
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