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Sur d’autres sites (17218)

  • FFMpeg produces low quality target file with just 1 second length on Ubuntu 20.04

    16 juillet 2021, par Matt

    I'm using FFMpeg locally on a Mac (actually using PHP-FFMpeg) and it's working perfectly. I'm running the same code on an Ubuntu server and whatever I try the output file is a tiny, low quality video with just 1 second length (the original is about 15 seconds).

    


    I installed it on the server with

    


    sudo apt update
sudo apt install ffmpeg


    


    and then restarted the server. To test now I'm running

    


    ffmpeg -i source.mp4 target.mp4


    


    from the terminal and getting this output

    


    ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'source.mp4':
  Metadata:
    major_brand     : iso5
    minor_version   : 1
    compatible_brands: isomiso5hlsf
    creation_time   : 2021-07-16T05:37:58.000000Z
  Duration: 00:00:00.66, start: 0.000000, bitrate: 74037 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 640x480 [SAR 1:1 DAR 4:3], 83522 kb/s, 30.20 fps, 600 tbr, 600 tbn, 1200 tbc (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Video
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 1774 kb/s (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Audio
File 'target.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libx264 @ 0x55db778748c0] using SAR=1/1
[libx264 @ 0x55db778748c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x55db778748c0] profile High, level 3.0
[libx264 @ 0x55db778748c0] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=3 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
frame=    8 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbOutput #0, mp4, to 'target.mp4':
  Metadata:
    major_brand     : iso5
    minor_version   : 1
    compatible_brands: isomiso5hlsf
    encoder         : Lavf58.29.100
    Stream #0:0(und): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 30.20 fps, 28k tbn, 30.20 tbc (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Video
      encoder         : Lavc58.54.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s (default)
    Metadata:
      creation_time   : 2021-07-16T05:37:58.000000Z
      handler_name    : Core Media Audio
      encoder         : Lavc58.54.100 aac
frame=   15 fps= 14 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=3 droframe=   18 fps= 11 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   18 fps=7.9 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   18 fps=6.4 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   19 fps=5.8 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   19 fps=5.0 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/sframe=   20 fps=4.6 q=0.0 size=       0kB time=00:00:00.46 bitrate=   0.8kbits/s[aac @ 0x55db778a2f00] Queue input is backward in time
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23552, current: 20480; changing to 23553. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23553, current: 21504; changing to 23554. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23554, current: 22528; changing to 23555. This may result in incorrect timestamps in the output file.
[mp4 @ 0x55db77876100] Non-monotonous DTS in output stream 0:1; previous: 23555, current: 23552; changing to 23556. This may result in incorrect timestamps in the output file.
frame=   20 fps=3.3 q=-1.0 Lsize=      77kB time=00:00:00.56 bitrate=1122.7kbits/s dup=3 drop=3 speed=0.0936x    
video:69kB audio:6kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.688508%
[libx264 @ 0x55db778748c0] frame I:1     Avg QP:22.13  size: 14863
[libx264 @ 0x55db778748c0] frame P:5     Avg QP:25.37  size:  6279
[libx264 @ 0x55db778748c0] frame B:14    Avg QP:26.80  size:  1720
[libx264 @ 0x55db778748c0] consecutive B-frames:  5.0%  0.0% 15.0% 80.0%
[libx264 @ 0x55db778748c0] mb I  I16..4: 15.9% 65.9% 18.2%
[libx264 @ 0x55db778748c0] mb P  I16..4: 10.6% 11.7%  1.3%  P16..4: 52.4% 11.2%  5.5%  0.0%  0.0%    skip: 7.4%
[libx264 @ 0x55db778748c0] mb B  I16..4:  1.0%  1.3%  0.4%  B16..8: 35.8%  3.0%  0.5%  direct: 2.4%  skip:55.6%  L0:41.2% L1:55.5% BI: 3.3%
[libx264 @ 0x55db778748c0] 8x8 transform intra:56.1% inter:82.3%
[libx264 @ 0x55db778748c0] coded y,uvDC,uvAC intra: 54.1% 75.0% 21.1% inter: 14.6% 25.2% 0.1%
[libx264 @ 0x55db778748c0] i16 v,h,dc,p:  9% 19%  3% 70%
[libx264 @ 0x55db778748c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 18% 24%  5%  6%  9%  6%  6%  6%
[libx264 @ 0x55db778748c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 20% 16%  6%  7%  7%  6%  5%  3%
[libx264 @ 0x55db778748c0] i8c dc,h,v,p: 48% 25% 22%  5%
[libx264 @ 0x55db778748c0] Weighted P-Frames: Y:40.0% UV:40.0%
[libx264 @ 0x55db778748c0] ref P L0: 62.4% 17.4% 14.3%  5.7%  0.1%
[libx264 @ 0x55db778748c0] ref B L0: 87.6% 10.7%  1.7%
[libx264 @ 0x55db778748c0] ref B L1: 95.0%  5.0%
[libx264 @ 0x55db778748c0] kb/s:849.86
[aac @ 0x55db778a2f00] Qavg: 4594.708


    


    Here's what the files look like

    


    enter image description here

    


    Any ideas what could be wrong ?
Thanks for your help !

    


  • ffmpeg can't extract a frame near the end of the video

    29 mars 2024, par Rob Allsopp

    From what I gather, using ffmpeg to fully decode a video should give me an accurate duration. If I use :

    


    ffmpeg -i my_vid.mov -f null -


    


    for a particular video, I get an output of :

    


    ...
frame=  901 fps=0.0 q=-0.0 Lsize=N/A time=00:00:30.52 bitrate=N/A speed= 247x
...


    


    But when I run the following command to extract a frame near the end, it fails :

    


    ffmpeg -i my_vid.mov -ss 00:00:30.450 -q:v 2 -vframes 1 test_frame.jpg


    


    outputs :

    


    Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)


    


    Backing up to 00:00:30.000 with the ffmpeg command does get me a frame, however, and any time before that works as expected also. It seems like I should be able to get frames up to 00:00:30.520, though. What could be wrong here ? Am I misreading the duration output ?

    


    Here is the full output I get from the frame extraction command :

    


    > ffmpeg -ss 00:00:30.450 -i file_example_MOV_640_800kB.mov -q:v 2 -vframes 1 test_frame.jpg

ffmpeg version 2021-04-20-git-718e03e5f2-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev6, 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-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --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-libglslang --enable-vulkan --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      56. 73.100 / 56. 73.100
  libavcodec     58.136.101 / 58.136.101
  libavformat    58. 78.100 / 58. 78.100
  libavdevice    58. 14.100 / 58. 14.100
  libavfilter     7.111.100 /  7.111.100
  libswscale      5. 10.100 /  5. 10.100
  libswresample   3. 10.100 /  3. 10.100
  libpostproc    55. 10.100 / 55. 10.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file_example_MOV_640_800kB.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf57.19.100
  Duration: 00:00:30.57, start: 0.000000, bitrate: 208 kb/s
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 60 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : FFMP
      encoder         : Lavc57.16.101 libx264
  Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 139 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[swscaler @ 000001acc1d28580] deprecated pixel format used, make sure you did set range correctly
Output #0, image2, to 'test_frame.jpg':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf58.78.100
  Stream #0:0(eng): Video: mjpeg, yuvj420p(pc), 640x360 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 30 fps, 30 tbn (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : FFMP
      encoder         : Lavc58.136.101 mjpeg
    Side data:
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
frame=    0 fps=0.0 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 (check -ss / -t / -frames parameters if used)


    


    Here's the full output with copyts :

    


    > ffmpeg -copyts -sseof -3 -i file_example_MOV_640_800kB.mov -q:v 2 -update 1 test_frame.jpg

ffmpeg version 2021-04-20-git-718e03e5f2-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev6, 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-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --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-libglslang --enable-vulkan --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      56. 73.100 / 56. 73.100
  libavcodec     58.136.101 / 58.136.101
  libavformat    58. 78.100 / 58. 78.100
  libavdevice    58. 14.100 / 58. 14.100
  libavfilter     7.111.100 /  7.111.100
  libswscale      5. 10.100 /  5. 10.100
  libswresample   3. 10.100 /  3. 10.100
  libpostproc    55. 10.100 / 55. 10.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file_example_MOV_640_800kB.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf57.19.100
  Duration: 00:00:30.57, start: 0.000000, bitrate: 208 kb/s
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360 [SAR 1:1 DAR 16:9], 60 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : FFMP
      encoder         : Lavc57.16.101 libx264
  Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 139 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
File 'test_frame.jpg' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
Press [q] to stop, [?] for help
[swscaler @ 0000022d7e964480] deprecated pixel format used, make sure you did set range correctly
Output #0, image2, to 'test_frame.jpg':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf58.78.100
  Stream #0:0(eng): Video: mjpeg, yuvj420p(pc, progressive), 640x360 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 30 fps, 30 tbn (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : FFMP
      encoder         : Lavc58.136.101 mjpeg
    Side data:
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: N/A
frame=   73 fps=0.0 q=2.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=   0x
video:859kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown


    


  • FFMPEG concat filter has unconnected audio output

    7 juillet 2021, par volx757

    I am trying to concat an arbitrary video file with a video file of 5 seconds of black. Here is the command I'm using :

    


    ffmpeg -i tmp/converted_one_1234.mp4 -i public/empty.mp4 -vsync 2 -filter_complex "[0:v]scale=1024:576:force_original_aspect_ratio=decrease,pad=1024:576:(ow-iw)/2:(oh-ih)/2,setsar=1[v0]; [1:v]scale=1024:576:force_original_aspect_ratio=decrease,pad=1024:576:(ow-iw)/2:(oh-ih)/2,setsar=1[v1]; [v0][0:a][v1][1:a]concat=n=2:v=1:a=1[v][a]" -map [v] -map [a] output.mp4


    


    And the error :

    


    Filter concat:out:a0 has an unconnected output


    


    So I understand the issue is that there is an audio stream that is not getting mapped to an output. The arbitrary video has audio in it, the black video technically has no sound, but it has an audio stream (verified with ffprobe).

    


    I think I'm just missing how the syntax works here. I've tried removing the audio input from this section :

    


    [v0][0:a][v1]concat=n=2:v=1:a=1[v][a]


    


    but it doesn't work. How do I avoid this error ?

    


    edit with complete log of ffmpeg events (i should note that before this failing operation, there is one in which the arbitrary video gets converted to an mp4. The concat fails regardless of whether the first conversion is included) :

    


        ffmpeg version 4.4 Copyright (c) 2000-2021 the FFmpeg developers
  built with Apple clang version 12.0.5 (clang-1205.0.22.9)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.4_2 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-avresample --enable-videotoolbox
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'http://s3.amazonaws.com/bucket/27173/custom_video/final/IMG_2753.mp4?1625616358':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Duration: 00:00:15.93, start: 0.000000, bitrate: 802 kb/s
  Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 320x568, 723 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : Core Media Video
      vendor_id       : [0][0][0][0]
  Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 70 kb/s (default)
    Metadata:
      handler_name    : Core Media Audio
      vendor_id       : [0][0][0][0]
File 'tmp/converted_one_27173.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (aac (native) -> mp2 (native))
Press [q] to stop, [?] for help
[libx264 @ 0x7fe770820400] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fe770820400] profile High, level 3.0, 4:2:0, 8-bit
[libx264 @ 0x7fe770820400] 264 - core 163 r3060 5db6aa6 - H.264/MPEG-4 AVC codec - Copyleft 2003-2021 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'tmp/converted_one_27173.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 320x568, q=2-31, 30 fps, 15360 tbn (default)
    Metadata:
      handler_name    : Core Media Video
      vendor_id       : [0][0][0][0]
      encoder         : Lavc58.134.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
  Stream #0:1(und): Audio: mp2 (mp4a / 0x6134706D), 44100 Hz, mono, s16, 384 kb/s (default)
    Metadata:
      handler_name    : Core Media Audio
      vendor_id       : [0][0][0][0]
      encoder         : Lavc58.134.100 mp2
frame=  478 fps=353 q=-1.0 Lsize=    2033kB time=00:00:15.89 bitrate=1047.8kbits/s speed=11.7x    
video:1271kB audio:747kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.769286%
[libx264 @ 0x7fe770820400] frame I:11    Avg QP:23.67  size:  9018
[libx264 @ 0x7fe770820400] frame P:200   Avg QP:25.18  size:  4565
[libx264 @ 0x7fe770820400] frame B:267   Avg QP:30.02  size:  1081
[libx264 @ 0x7fe770820400] consecutive B-frames: 20.5% 12.1%  8.8% 58.6%
[libx264 @ 0x7fe770820400] mb I  I16..4:  9.3% 78.4% 12.3%
[libx264 @ 0x7fe770820400] mb P  I16..4: 10.3% 32.2%  1.0%  P16..4: 34.0% 12.3%  5.0%  0.0%  0.0%    skip: 5.2%
[libx264 @ 0x7fe770820400] mb B  I16..4:  1.0%  4.2%  0.1%  B16..8: 50.8%  4.2%  0.3%  direct: 1.7%  skip:37.6%  L0:52.8% L1:42.8% BI: 4.4%
[libx264 @ 0x7fe770820400] 8x8 transform intra:75.0% inter:70.6%
[libx264 @ 0x7fe770820400] coded y,uvDC,uvAC intra: 47.7% 64.1% 8.5% inter: 17.0% 19.6% 2.4%
[libx264 @ 0x7fe770820400] i16 v,h,dc,p: 17% 21%  8% 53%
[libx264 @ 0x7fe770820400] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 23% 15%  5%  7%  7%  7%  5%  7%
[libx264 @ 0x7fe770820400] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 24% 14%  5%  9%  7%  9%  5%  6%
[libx264 @ 0x7fe770820400] i8c dc,h,v,p: 47% 25% 20%  8%
[libx264 @ 0x7fe770820400] Weighted P-Frames: Y:11.5% UV:5.5%
[libx264 @ 0x7fe770820400] ref P L0: 73.5% 12.0% 11.9%  2.0%  0.5%
[libx264 @ 0x7fe770820400] ref B L0: 96.0%  3.8%  0.2%
[libx264 @ 0x7fe770820400] ref B L1: 98.1%  1.9%
[libx264 @ 0x7fe770820400] kb/s:653.11
ffmpeg version 4.4 Copyright (c) 2000-2021 the FFmpeg developers
  built with Apple clang version 12.0.5 (clang-1205.0.22.9)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.4_2 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-avresample --enable-videotoolbox
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
Trailing option(s) found in the command: may be ignored.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'tmp/converted_one_27173.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Duration: 00:00:15.93, start: 0.000000, bitrate: 1045 kb/s
  Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 320x568, 653 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : Core Media Video
      vendor_id       : [0][0][0][0]
  Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 384 kb/s (default)
    Metadata:
      handler_name    : Core Media Audio
      vendor_id       : [0][0][0][0]
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'public/empty.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.76.100
  Duration: 00:00:05.01, start: 0.000000, bitrate: 17 kb/s
  Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1024x576 [SAR 1:1 DAR 16:9], 7 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
  Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
Filter concat:out:a0 has an unconnected output


    


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