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• Add file name to video (drawtext) - Cannot find a valid font for the family Sans Error Ffmpeg [duplicate]

  18 mars 2019, par Oli Shingfield

  This question already has an answer here :

  • FFmpeg drawtext - Could not load fontface from file [closed]
    
    4 answers
    

  I have a folder with a couple of short videos in, I would like to add the file names of the videos in the video in the bottom right corner while converting them from mov to mp4. I have tried using :

      @echo off
  
  set "INPUT=E:\Users\Oli Shingfield\Documents\Projects\v1.3.1\downloads3"
  
  for %%a in ("%INPUT%\*.mov") do (
  
      ffmpeg -i "%%~a" -vf drawtext=text="%%~na":x=105:y=120:fontfile="E:\Users\Oli Shingfield\Documents\Projects\v1.3.1\downloads3\impact.ttf":fontsize=25:fontcolor=white -b:v 1M -r 60 -b:a 320k -ar 48000 -crf 17 "%%~na.mp4"
  
  )
  
  pause

  but I am getting the error :

  [Parsed_drawtext_0 @ 000002548db70e00] Cannot find a valid font for the family Sans
  
  [AVFilterGraph @ 000002548cd00a20] Error initializing filter 'drawtext' with args 'text=RP AS A WHOLE:x=105:y=120:fontfile=E:UsersOli_ShingfieldDocumentsProjectsv1.3.1downloads3impact.ttf:fontsize=25:fontcolor=white'
  
  Error reinitializing filters!
  
  Failed to inject frame into filter network: No such file or directory
  
  Error while processing the decoded data for stream #0:0
  
  [aac @ 000002548be61ae0] Qavg: 65536.000
  
  [aac @ 000002548be61ae0] 2 frames left in the queue on closing
  
  Conversion failed!

  It seems as though it can’t find the font file even though it’s in the same location and I am specifying the exact file path.

  Has anyone got any ideas ? I’m baffled.

  Thanks !
  Oli

• android chromecast mp4 by ffmpeg - shorter files play, some longer ones buffer but dont play

  20 octobre 2014, par Robert Rowntree

  Using Android SDK for CC, CCL, and ’styled receiver’ CC app.

  Video Files created by a heroku/ffmpeg bin that will play on any other client i tried (VLC ubuntu... ) and that will even play in chrome on a tab that’s being cast to chromecast will NOT PLAY natively on chromecast apps. They will appear as normal load in the UI of the app. CCL logs will show them buffering OK , but they never enter a play state from the buffering state. Debugging the receiver shows nothing unusual ( network tab, or Console ). They just buffer and dont play.

  If a slightly shorter version of the same , 2 ffmpeg input files is prepared and hosted, it seems to play fine in shorter versions under about 14 seconds long but will not play if a 16 second version is created.

  I used a number of chromecast apps including Allcast to test this. always got same result.

  2 dropbox mp4 links created with the ffmpeg cli here are below. A 14 second version of the output mp4 file plays fine on several Chromecast/android apps and a 16 second version fails.

  file len 14s

  file len 16s Wont play in CC apps

  ffprobe output on the files at :

  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'tst-nonplay-shorter_14s.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf54.29.105
  
    Duration: 00:00:14.07, start: 0.046440, bitrate: 311 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuvj420p, 1080x614 [SAR 1535:1539 DAR 100:57], 199 kb/s, 1 fps, 1 tbr, 16384 tbn, 2 tbc
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 22050 Hz, mono, s16, 110 kb/s
  
      Metadata:
  
        handler_name    : SoundHandler

  and the file 2 seconds longer that wont play

  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'tst-nonplay-shorter_16s.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf54.29.105
  
    Duration: 00:00:16.06, start: 0.046440, bitrate: 286 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuvj420p, 1080x614 [SAR 1535:1539 DAR 100:57], 174 kb/s, 1 fps, 1 tbr, 16384 tbn, 2 tbc
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 22050 Hz, mono, s16, 110 kb/s
  
      Metadata:
  
        handler_name    : SoundHandler

  Used ’qtfaststart’ and checked for MOOV ATOM issues and dont think that’s relevant.

  I think i can limit recordings in my app to 14 seconds and avoid problems that way, but I would like to understand what is up with the chromecast GETS on MP4’s generated by ffmpeg.

• lavc/*dec : use side data preference for mastering display/content light metadata

  23 février 2024, par Anton Khirnov

  lavc/*dec : use side data preference for mastering display/content light metadata
  

  • [DH] libavcodec/av1dec.c
  • [DH] libavcodec/h2645_sei.c
  • [DH] libavcodec/libdav1d.c
  • [DH] libavcodec/pngdec.c
  • [DH] libavcodec/qsvdec.c