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Sur d’autres sites (5450)

  • Overlaying a transparent webm on an MP4 freezes at the start sometimes

    23 janvier 2021, par joshlat94

    I'm currently using the command
 ffmpeg -i mainvideo.mp4 -vcodec libvpx -i myoverlay.webm -filter_complex "overlay = 5:5" done.mp4
To overlay a transparent webm on top of my main mp4. But for some reason the output video is frozen for the first 1 second but the audio is completely fine.

    


    I've tried this command with other videos and it works sometimes but most of the time the first few frames seem frozen

    


    Edit.
I have two main mp4 files, broken_source.mp4 and working_source.mp4. Putting the overlay on broken_source results in the output having the first 1 second of video frozen (audio completely fine) but putting the same overlay on working_source.mp4 is perfect and has no issues

    


    Logs for putting the overlay on working_source :

    


    ffmpeg -i working_source.mp4 -vcodec libvpx -i chat.webm -filter_complex "overlay = 0:0" working_complete.mp4
ffmpeg version 4.3.1-2021-01-01-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev5, 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-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --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-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. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'working_source.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.51.101
  Duration: 00:00:31.02, start: 0.000000, bitrate: 6176 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 6035 kb/s, 60 fps, 60 tbr, 90k tbn, 120 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
[libvpx @ 0000016fb5074a80] v1.9.0-128-g3a38edea2
    Last message repeated 1 times
Input #1, matroska,webm, from 'chat.webm':
  Metadata:
    ENCODER         : Lavf58.51.101
  Duration: 00:00:31.00, start: 0.000000, bitrate: 449 kb/s
    Stream #1:0: Video: vp8, yuva420p(tv, progressive), 500x300, SAR 1:1 DAR 5:3, 60 fps, 60 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      alpha_mode      : 1
      ENCODER         : Lavc58.101.101 libvpx
      DURATION        : 00:00:31.000000000
[libvpx @ 0000016fb50761c0] v1.9.0-128-g3a38edea2
Stream mapping:
  Stream #0:0 (h264) -> overlay:main (graph 0)
  Stream #1:0 (libvpx) -> overlay:overlay (graph 0)
  overlay (graph 0) -> Stream #0:0 (libx264)
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libvpx @ 0000016fb50761c0] v1.9.0-128-g3a38edea2
[libx264 @ 0000016fb5072040] using SAR=1/1
[libx264 @ 0000016fb5072040] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000016fb5072040] profile High, level 4.2, 4:2:0, 8-bit
[libx264 @ 0000016fb5072040] 264 - core 161 r3027 4121277 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - 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 'working_complete.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.45.100
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 60 fps, 15360 tbn, 60 tbc (default)
    Metadata:
      encoder         : Lavc58.91.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      encoder         : Lavc58.91.100 aac
frame= 1861 fps= 44 q=-1.0 Lsize=   20013kB time=00:00:31.01 bitrate=5285.3kbits/s speed=0.729x
video:19477kB audio:486kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.244893%
[libx264 @ 0000016fb5072040] frame I:8     Avg QP:19.04  size:240534
[libx264 @ 0000016fb5072040] frame P:538   Avg QP:23.76  size: 23836
[libx264 @ 0000016fb5072040] frame B:1315  Avg QP:31.66  size:  3951
[libx264 @ 0000016fb5072040] consecutive B-frames:  3.0%  3.5% 14.8% 78.7%
[libx264 @ 0000016fb5072040] mb I  I16..4:  6.4% 47.4% 46.2%
[libx264 @ 0000016fb5072040] mb P  I16..4:  1.2%  4.2%  1.9%  P16..4: 21.4%  5.3%  2.9%  0.0%  0.0%    skip:63.1%
[libx264 @ 0000016fb5072040] mb B  I16..4:  0.1%  0.2%  0.1%  B16..8: 12.6%  1.5%  0.5%  direct: 0.4%  skip:84.6%  L0:35.9% L1:60.0% BI: 4.1%
[libx264 @ 0000016fb5072040] 8x8 transform intra:55.5% inter:60.0%
[libx264 @ 0000016fb5072040] coded y,uvDC,uvAC intra: 63.5% 77.4% 40.4% inter: 3.7% 4.6% 0.7%
[libx264 @ 0000016fb5072040] i16 v,h,dc,p: 19% 37% 15% 29%
[libx264 @ 0000016fb5072040] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 18% 23%  7%  7%  7%  7%  6%  8%
[libx264 @ 0000016fb5072040] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 22% 17%  7%  8%  7%  7%  6%  6%
[libx264 @ 0000016fb5072040] i8c dc,h,v,p: 45% 27% 18% 11%
[libx264 @ 0000016fb5072040] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0000016fb5072040] ref P L0: 74.5% 13.9%  9.1%  2.5%
[libx264 @ 0000016fb5072040] ref B L0: 91.9%  7.4%  0.7%
[libx264 @ 0000016fb5072040] ref B L1: 96.6%  3.4%
[libx264 @ 0000016fb5072040] kb/s:5144.05
[aac @ 0000016fb5026a80] Qavg: 193.230 


    


    Logs for putting the overlay on broken_source :

    


    ffmpeg -i broken_source.mp4 -vcodec libvpx -i chat.webm -filter_complex "overlay = 0:0" broken_complete.mp4
ffmpeg version 4.3.1-2021-01-01-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev5, 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-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --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-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. 51.100 / 56. 51.100
  libavcodec     58. 91.100 / 58. 91.100
  libavformat    58. 45.100 / 58. 45.100
  libavdevice    58. 10.100 / 58. 10.100
  libavfilter     7. 85.100 /  7. 85.100
  libswscale      5.  7.100 /  5.  7.100
  libswresample   3.  7.100 /  3.  7.100
  libpostproc    55.  7.100 / 55.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'broken_source.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.26.101
  Duration: 00:00:45.02, start: 0.000000, bitrate: 5962 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 5952 kb/s, 60 fps, 60 tbr, 90k tbn, 120 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
[libvpx @ 0000021071f90280] v1.9.0-128-g3a38edea2
    Last message repeated 1 times
Input #1, matroska,webm, from 'chat.webm':
  Metadata:
    ENCODER         : Lavf58.51.101
  Duration: 00:00:31.00, start: 0.000000, bitrate: 449 kb/s
    Stream #1:0: Video: vp8, yuva420p(tv, progressive), 500x300, SAR 1:1 DAR 5:3, 60 fps, 60 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      alpha_mode      : 1
      ENCODER         : Lavc58.101.101 libvpx
      DURATION        : 00:00:31.000000000
[libvpx @ 0000021072020dc0] v1.9.0-128-g3a38edea2
  Stream #0:0 (h264) -> overlay:main (graph 0)
  Stream #1:0 (libvpx) -> overlay:overlay (graph 0)
  overlay (graph 0) -> Stream #0:0 (libx264)
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[libvpx @ 0000021072020dc0] v1.9.0-128-g3a38edea2
[libx264 @ 0000021072022980] using SAR=1/1
[libx264 @ 0000021072022980] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0000021072022980] profile High, level 4.2, 4:2:0, 8-bit
[libx264 @ 0000021072022980] 264 - core 161 r3027 4121277 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - 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 'broken_complete.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.45.100
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 60 fps, 15360 tbn, 60 tbc (default)
    Metadata:
      encoder         : Lavc58.91.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
    Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      encoder         : Lavc58.91.100 aac
frame= 2701 fps= 47 q=-1.0 Lsize=   23020kB time=00:00:45.01 bitrate=4189.5kbits/s dup=60 drop=0 speed=0.789x
video:22242kB audio:708kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.309473%
[libx264 @ 0000021072022980] frame I:11    Avg QP:18.82  size:210832
[libx264 @ 0000021072022980] frame P:742   Avg QP:23.14  size: 18106
[libx264 @ 0000021072022980] frame B:1948  Avg QP:31.16  size:  3604
[libx264 @ 0000021072022980] consecutive B-frames:  1.7%  4.2%  6.2% 87.8%
[libx264 @ 0000021072022980] mb I  I16..4: 10.0% 46.2% 43.7%
[libx264 @ 0000021072022980] mb P  I16..4:  1.6%  4.5%  1.5%  P16..4: 16.5%  4.2%  2.4%  0.0%  0.0%    skip:69.3%
[libx264 @ 0000021072022980] mb B  I16..4:  0.1%  0.3%  0.1%  B16..8: 11.3%  1.4%  0.4%  direct: 0.4%  skip:86.0%  L0:36.5% L1:59.3% BI: 4.3%
[libx264 @ 0000021072022980] 8x8 transform intra:57.4% inter:64.8%
[libx264 @ 0000021072022980] coded y,uvDC,uvAC intra: 55.4% 42.1% 14.8% inter: 3.3% 2.1% 0.3%
[libx264 @ 0000021072022980] i16 v,h,dc,p: 21% 37% 15% 27%
[libx264 @ 0000021072022980] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 18% 24%  6%  7%  6%  7%  6%  7%
[libx264 @ 0000021072022980] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 22% 16%  7%  7%  7%  7%  6%  6%
[libx264 @ 0000021072022980] i8c dc,h,v,p: 58% 22% 15%  5%
[libx264 @ 0000021072022980] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0000021072022980] ref P L0: 68.9% 16.6% 10.8%  3.6%
[libx264 @ 0000021072022980] ref B L0: 91.6%  7.2%  1.2%
[libx264 @ 0000021072022980] ref B L1: 95.9%  4.1%
[libx264 @ 0000021072022980] kb/s:4047.35
[aac @ 0000021072024840] Qavg: 189.405 


    


  • SOLVED - FFMPEG 'Fontconfig error : Cannot load default config file' error Windows

    27 février 2019, par Merel

    I am trying to make a short video in FFMPEG, where a word stays on screen for the duration of the video (0.5s). My FFMPEG code looks like this :

    ffmpeg -f lavfi -i color=c=white:s=320x240:d=0.5 -vf "drawtext=fontfile= ‘c\:\Windows\fonts\calibri.ttf':fontsize=18:  fontcolor=black:x=(w-text_w)/2:y=(h-text_h)/2:text='word'" output.mp4

    However, I keep getting the following error (see below for full output) :

    Fontconfig error: Cannot load default config file 
    
[Parsed_drawtext_0 @ 000001c2918cef00] Using "C:/Windows/fonts/mingliub.ttc"

    I figured it had something to do with the path to the font file. I also tried copying the font file to my FFMPEG map and map the font path to the FFMPEG directory :

    ffmpeg -f lavfi -i color=c=white:s=320x240:d=0.5 -vf
    
"drawtext=fontfile=‘C:\FFMPEG\bin\calibri.ttf':fontsize=18: 
    
fontcolor=black:x=(w-text_w)/2:y=(h-text_h)/2:text='word'" output.mp4'

    This doesn’t work either. I do get an output video.mp4 video, but the font is wrong. Here is the full output I get. It is the same for both code examples above :

     c:\FFMPEG\bin>ffmpeg -f lavfi -i color=c=white:s=320x240:d=0.5 -vf "drawtext=fontfile= ‘c\\:\\\Windows\\\fonts\\\calibri.ttf':fontsize=18:  fontcolor=black:x=(w-text_w)/2:y=(h-text_h)/2:text='word'" output.mp4
    
ffmpeg version N-93234-g2e67f751b5 Copyright (c) 2000-2019 the FFmpeg developers
    
  built with gcc 8.2.1 (GCC) 20190212
    
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-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. 47.102 / 58. 47.102
    
  libavformat    58. 26.101 / 58. 26.101
    
  libavdevice    58.  6.101 / 58.  6.101
    
  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
    
Input #0, lavfi, from 'color=c=white:s=320x240:d=0.5':
    
  Duration: N/A, start: 0.000000, bitrate: N/A
    
    Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
Fontconfig error: Cannot load default config file
    
[Parsed_drawtext_0 @ 00000291ad7def00] Using "C:/Windows/fonts/mingliub.ttc"
    
[libx264 @ 00000291af0ef180] using SAR=1/1
    
[libx264 @ 00000291af0ef180] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
    
[libx264 @ 00000291af0ef180] profile High, level 1.3, 4:2:0, 8-bit
    
[libx264 @ 00000291af0ef180] 264 - core 157 r2935 545de2f - 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=6 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
    
Output #0, mp4, to 'output.mp4':
    
  Metadata:
    
    encoder         : Lavf58.26.101
    
    Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=-1--1, 25 fps, 12800 tbn, 25 tbc
    
    Metadata:
    
      encoder         : Lavc58.47.102 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
[Parsed_color_0 @ 00000291af0aa840] EOF timestamp not reliable
    
frame=   13 fps=0.0 q=-1.0 Lsize=       2kB time=00:00:00.40 bitrate=  43.9kbits/s speed=4.27x
    
video:1kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 84.991570%
    
[libx264 @ 00000291af0ef180] frame I:1     Avg QP: 9.22  size:   306
    
[libx264 @ 00000291af0ef180] frame P:3     Avg QP:11.33  size:    20
    
[libx264 @ 00000291af0ef180] frame B:9     Avg QP:12.67  size:    14
    
[libx264 @ 00000291af0ef180] consecutive B-frames:  7.7%  0.0%  0.0% 92.3%
    
[libx264 @ 00000291af0ef180] mb I  I16..4: 98.7%  0.0%  1.3%
    
[libx264 @ 00000291af0ef180] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.0%  0.0%  0.0%  0.0%  0.0%    skip:100.0%
    
[libx264 @ 00000291af0ef180] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.0%  0.0%  0.0%  direct: 0.0%  skip:100.0%
    
[libx264 @ 00000291af0ef180] 8x8 transform intra:0.0%
    
[libx264 @ 00000291af0ef180] coded y,uvDC,uvAC intra: 1.0% 0.0% 0.0% inter: 0.0% 0.0% 0.0%
    
[libx264 @ 00000291af0ef180] i16 v,h,dc,p: 92%  1%  7%  0%
    
[libx264 @ 00000291af0ef180] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 39%  3% 42%  2%  5%  5%  2%  2%  2%
    
[libx264 @ 00000291af0ef180] i8c dc,h,v,p: 100%  0%  0%  0%
    
[libx264 @ 00000291af0ef180] Weighted P-Frames: Y:0.0% UV:0.0%
    
[libx264 @ 00000291af0ef180] kb/s:7.65

    SOLVED ! Apparently the problem was that the path to the font cannot contain a semicolon (i.e., "C :/". The code that worked is :

    ffmpeg -f lavfi -i color=c=white:s=320x240:d=0.5 -vf “drawtext=fontfile= /Windows/fonts/calibri.ttf:fontsize=18: fontcolor=black:x=(w-text_w)/2:y=(h-text_h)/2:text=word” output.mp4

  • Reverse and areverse crash the computer

    14 août 2019, par Alex

    I am using this command :

    ffmpeg -y -ss 00:03:52.612 -i "H:\DCIM\100GOPRO\GOPR3258.MP4" -r 60 -t 00:00:12.140 -vf reverse -af afade=t=in:ss=0:d=1,afade=t=out:st='00\:00\:11.140':d=1,areverse 6.mp4

    It increases the memory consumption of the computer to a point of collapse.

    Putting it like

    ffmpeg -y -ss 00:03:52.612 -i "H:\DCIM\100GOPRO\GOPR3258.MP4" -r 60 -t 00:00:12.140 -af afade=t=in:ss=0:d=1,afade=t=out:st='00\:00\:11.140':d=1 6.mp4

    Works without a problem.

    Therefore, the issue is in the -vf reverse and -af reverse.

    The output is

    ffmpeg version N-94543-g8fcc5d963e Copyright (c) 2000-2019 the FFmpeg developers
    
  built with gcc 9.1.1 (GCC) 20190807
    
  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. 33.100 / 56. 33.100
    
  libavcodec     58. 55.100 / 58. 55.100
    
  libavformat    58. 30.100 / 58. 30.100
    
  libavdevice    58.  9.100 / 58.  9.100
    
  libavfilter     7. 58.100 /  7. 58.100
    
  libswscale      5.  6.100 /  5.  6.100
    
  libswresample   3.  6.100 /  3.  6.100
    
  libpostproc    55.  6.100 / 55.  6.100
    
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000024b71029180] Using non-standard frame rate 59/1
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'H:\DCIM\100GOPRO\GOPR3258.MP4':
    
  Metadata:
    
    major_brand     : mp41
    
    minor_version   : 538120216
    
    compatible_brands: mp41
    
    creation_time   : 2019-08-14T13:50:26.000000Z
    
    firmware        : HD4.02.05.00.00
    
  Duration: 00:17:43.08, start: 0.000000, bitrate: 30127 kb/s
    
    Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 29972 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 119.88 tbc (default)
    
    Metadata:
    
      creation_time   : 2019-08-14T13:50:26.000000Z
    
      handler_name    :         GoPro AVC
    
      encoder         : GoPro AVC encoder
    
      timecode        : 14:03:41:09
    
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    
    Metadata:
    
      creation_time   : 2019-08-14T13:50:26.000000Z
    
      handler_name    :         GoPro AAC
    
      timecode        : 14:03:41:09
    
    Stream #0:2(eng): Data: none (tmcd / 0x64636D74) (default)
    
    Metadata:
    
      creation_time   : 2019-08-14T13:50:26.000000Z
    
      handler_name    :         GoPro TCD
    
      timecode        : 14:03:41:09
    
    Stream #0:3(eng): Data: none (fdsc / 0x63736466), 13 kb/s (default)
    
    Metadata:
    
      creation_time   : 2019-08-14T13:50:26.000000Z
    
      handler_name    :         GoPro SOS
    
Only '-vf reverse' read, ignoring remaining -vf options: Use ',' to separate filters
    
Only '-af afade=t=in:ss=0:d=1,afade=t=out:st='00\:00\:11.140':d=1,areverse' read, ignoring remaining -af options: Use ',' to separate filters
    
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 @ 0000024b7148cc40] using SAR=1/1
    
[libx264 @ 0000024b7148cc40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 0000024b7148cc40] profile High, level 4.2, 4:2:0, 8-bit
    
[libx264 @ 0000024b7148cc40] 264 - core 158 r2984 3759fcb - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - 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 '6.mp4':
    
  Metadata:
    
    major_brand     : mp41
    
    minor_version   : 538120216
    
    compatible_brands: mp41
    
    firmware        : HD4.02.05.00.00
    
    encoder         : Lavf58.30.100
    
    Stream #0:0(eng): Video: h264 (libx264) (avc1 / 0x31637661), yuvj420p(pc), 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 0.02 fps, 15360 tbn, 60 tbc (default)
    
    Metadata:
    
      creation_time   : 2019-08-14T13:50:26.000000Z
    
      handler_name    :         GoPro AVC
    
      timecode        : 14:03:41:09
    
      encoder         : Lavc58.55.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: 18446744073709551615
    
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    
    Metadata:
    
      creation_time   : 2019-08-14T13:50:26.000000Z
    
      handler_name    :         GoPro AAC
    
      timecode        : 14:03:41:09
    
      encoder         : Lavc58.55.100 aac
    
frame=    0 fps=0.0 q=0.0 Lsize=       1kB 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
    
[aac @ 0000024b71498b40] Qavg: nan

    What I find interesting is

    Only '-vf reverse' read, ignoring remaining -vf options: Use ',' to separate filters

    As there is only -vf reverse

    Only '-af afade=t=in:ss=0:d=1,afade=t=out:st='00\:00\:11.140':d=1,areverse' read, ignoring remaining -af options: Use ',' to separate filters

    Here the same.

    I tried

    ffmpeg -y -ss 00:03:52.612 -i "H:\DCIM\100GOPRO\GOPR3258.MP4" -r 60 -t 00:00:12.140 -vf "reverse" -af "afade=t=in:ss=0:d=1,afade=t=out:st='00\:00\:11.140':d=1,areverse" 6.mp4

    to no avail

    What is causing this issue ?

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