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• Font setting for ffmpeg not working when adding subtitles from .srt file

  29 septembre 2022, par asdfgh

  I've been trying to use the ffmpeg-subtitles
option like this

  


  ffmpeg -i demo.mp4 -vf "subtitles=demo.srt:fontsdir=/usr/share/fonts/truetype/dejavu:force_style='Fontsize=24px,PrimaryColour=&H000000FF,force_style=Fontname=DejaVuSerif'" out.mp4


  


  but it seems to me that some default config file is overriding font argument from command line because it is ignored (the other things like generating video with subtitle and text coloring works fine), as per this line

  


  fontselect: (Arial, 400, 0) -> /usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf, 0, LiberationSans


  


  no matter what I give as fontsdir or Fontname, ffmpeg always uses LiberationSans. Here is the full output of the command above :

  


  ffmpeg version 4.1.6-1~deb10u1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --prefix=/usr --extra-version='1~deb10u1' --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-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'demo.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.45.100
  Duration: 00:00:17.27, start: 0.000000, bitrate: 752 kb/s
    Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 410x358 [SAR 3529:3532 DAR 723445:632228], 751 kb/s, SAR 8234:8241 DAR 230:201, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
File 'out.mp4' already exists. Overwrite ? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Shaper: FriBidi 0.19.7 (SIMPLE) HarfBuzz-ng 2.3.1 (COMPLEX)
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerifCondensed-Bold.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansMono-Bold.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerifCondensed.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSans-BoldOblique.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansCondensed-Oblique.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansMono-Oblique.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerifCondensed-BoldItalic.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansCondensed.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuMathTeXGyre.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerif-BoldItalic.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerifCondensed-Italic.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSans-ExtraLight.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansCondensed-Bold.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansMono-BoldOblique.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSans-Oblique.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSerif-Italic.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Loading font file '/usr/share/fonts/truetype/dejavu/DejaVuSansCondensed-BoldOblique.ttf'
[Parsed_subtitles_0 @ 0x5589d9ca5a40] Using font provider fontconfig
[Parsed_subtitles_0 @ 0x5589d9ca5a40] fontselect: (Arial, 400, 0) -> /usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf, 0, LiberationSans
[libx264 @ 0x5589d9b4cb40] using SAR=3529/3532
[libx264 @ 0x5589d9b4cb40] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x5589d9b4cb40] profile High, level 2.1
[libx264 @ 0x5589d9b4cb40] 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=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 'out.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.20.100
    Stream #0:0(und): Video: h264 (libx264) (avc1 / 0x31637661), yuv420p, 410x358 [SAR 8234:8241 DAR 230:201], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      encoder         : Lavc58.35.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame=  518 fps=216 q=-1.0 Lsize=     936kB time=00:00:17.16 bitrate= 446.7kbits/s speed=7.15x    
video:929kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.716306%
[libx264 @ 0x5589d9b4cb40] frame I:3     Avg QP:22.06  size:  9804
[libx264 @ 0x5589d9b4cb40] frame P:169   Avg QP:25.02  size:  3412
[libx264 @ 0x5589d9b4cb40] frame B:346   Avg QP:27.47  size:   997
[libx264 @ 0x5589d9b4cb40] consecutive B-frames:  7.7%  6.6%  9.3% 76.4%
[libx264 @ 0x5589d9b4cb40] mb I  I16..4: 14.3% 63.4% 22.2%
[libx264 @ 0x5589d9b4cb40] mb P  I16..4:  9.9% 16.4%  2.6%  P16..4: 41.8% 17.3%  5.2%  0.0%  0.0%    skip: 6.7%
[libx264 @ 0x5589d9b4cb40] mb B  I16..4:  1.6%  2.3%  0.3%  B16..8: 43.9%  5.7%  0.6%  direct: 2.2%  skip:43.4%  L0:50.8% L1:44.1% BI: 5.0%
[libx264 @ 0x5589d9b4cb40] 8x8 transform intra:56.4% inter:82.5%
[libx264 @ 0x5589d9b4cb40] coded y,uvDC,uvAC intra: 41.7% 64.7% 6.3% inter: 14.9% 20.9% 0.0%
[libx264 @ 0x5589d9b4cb40] i16 v,h,dc,p: 15% 27%  9% 49%
[libx264 @ 0x5589d9b4cb40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 23% 17%  6%  7%  6%  8%  7%  6%
[libx264 @ 0x5589d9b4cb40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 27% 11%  5%  9%  8%  9%  5%  4%
[libx264 @ 0x5589d9b4cb40] i8c dc,h,v,p: 54% 22% 14%  9%
[libx264 @ 0x5589d9b4cb40] Weighted P-Frames: Y:18.9% UV:5.9%
[libx264 @ 0x5589d9b4cb40] ref P L0: 62.8% 16.2% 15.4%  4.9%  0.8%
[libx264 @ 0x5589d9b4cb40] ref B L0: 91.0%  7.4%  1.6%
[libx264 @ 0x5589d9b4cb40] ref B L1: 97.4%  2.6%
[libx264 @ 0x5589d9b4cb40] kb/s:440.62


  


• FFMPEG wrong duration when using amix filter

  12 mars 2020, par Leonard

  I am trying to add background music to a video with an existing audio-track. I settled for the amix filter, since other filters seemed to cause a delayed audio track. So far everything is working as intended, however the output video is cut off at 11:34min. Which is 3 seconds shorter than the input video. I already tried to increase the length of the input video by e.g. 5 seconds, which still leads to the same output length of 11:34min. Here is the exact command I am using :

  ffmpeg -i video.mp4 -i bg_music.wav -filter_complex "[0:a]volume=1.5[a0];[1:a]volume=0.2[a1];[a0][a1]amix=duration=shortest[a]" -map 0:v -map [a] -c:v copy -c:a aac -ar 22050 out.mp4

  And this is the output I am getting. In this call the video has a length of 11:42min and the audio a length of 36:59min. I am running macOS Catalina 10.15.3 :

    built with Apple clang version 11.0.0 (clang-1100.0.33.17)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.2_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
  
    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 'video.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.29.100
  
    Duration: 00:11:42.14, start: 0.000000, bitrate: 9182 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, 9196 kb/s, 4.89 fps, 2.92 tbr, 15360 tbn, 120 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, stereo, fltp, 100 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Guessed Channel Layout for Input Stream #1.0 : stereo
  
  Input #1, wav, from 'bg_music.wav':
  
    Metadata:
  
      encoder         : Adobe Audition 13.0 (Macintosh)
  
      date            : 2020-02-28
  
      creation_time   : 15:49:40
  
      time_reference  : 0
  
    Duration: 00:36:58.57, bitrate: 2822 kb/s
  
      Stream #1:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
  
  Stream mapping:
  
    Stream #0:1 (aac) -> volume
  
    Stream #1:0 (pcm_f32le) -> volume
  
    Stream #0:0 -> #0:0 (copy)
  
    amix -> Stream #0:1 (aac)
  
  Press [q] to stop, [?] for help
  
  Output #0, mp4, to 'out.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.29.100
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, q=2-31, 9196 kb/s, 4.89 fps, 2.92 tbr, 15360 tbn, 15360 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 22050 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        encoder         : Lavc58.54.100 aac
  
  frame= 3392 fps=510 q=-1.0 Lsize=  789403kB time=00:11:33.46 bitrate=9325.3kbits/s speed= 104x
  
  video:778257kB audio:11032kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.014279%
  
  [aac @ 0x7fe32d00e800] Qavg: 333.046```

• Revert "avformat/rtp : Pass sources and block filter addresses via sdp file for rtp"

  5 avril 2020, par Carl Eugen Hoyos

  Revert "avformat/rtp : Pass sources and block filter addresses via sdp file for rtp"
  This reverts commit b71685865fe761925feedda3cd0b288224d9a509.
  The commit lead to the use of an uninitialized variable.
  
  Other issues were listed by Andreas Rheinhardt :
  
  https://ffmpeg.org/pipermail/ffmpeg-devel/2020-March/259150.html
  

  • [DH] libavformat/rtsp.c