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• Use ffmpeg to edit metadata titles for multiple files

  19 mars 2017, par Nicholas Wireman

  I’d like to be able to add/edit video metadata titles to multiple files at once or with a single command, but I don’t know how to tell ffmpeg to do this.

  I read a similar post on the Ubuntu Forums, but I have never used string manipulation in Linux before, so the commands I’m seeing in the post are way out of my comprehension at the moment, and much of the discussion goes over my head.

  I’ve got all of my video files in a filename format that includes the show name, the episode number, and episode title. For example :

  show_name - episode_number - episode_title.extension

  Bleach - 001 - A Shinigami Is Born !.avi

  Is there a simple way to read the title and episode number from the filename and put it into a metadata tag without having to go through each and every file manually ?

  EDIT 1 : So I found out that I can iterate through files in a directory, and echo the filename, and I was told by a friend to try bash to parse the strings and return values from that to use in the ffmpeg command line. The problem is, I have absolutely no idea how to do this. The string manipulation in bash is very confusing on first look, and I can’t seem to get it to output what I want into my variables. My test bash :

   for file in "Bleach - 206 - The Past Chapter Begins! The Truth from 110 Years Ago.mkv"; do   extension=${file##*.} showName=${file%% *} episode=${file:9:3}; echo Extension: $extension Show: $showName Episode: $episode;    done

  That outputs

  Extension : mkv Show : Bleach Episode : 206

  Which are all the variables I’m going to need, I just don’t know how to move those to be run in ffmpeg now.

  EDIT 2 : I believe I was able, through much trial and error, to find a bash command that would do exactly what I wanted.

  for file in *; do   newname=${file:0:-4}_2 ext=${file##*.} filename=${file} showname=${file%% *} episode=${file:9:3} nameext=${file##*- } title=${nameext%.*};     ffmpeg -i "$filename" -metadata title="$title" -metadata track=$episode -metadata album=$showname -c copy "$newname.$ext";    mv -f "$newname.$ext" "$filename";    done

  This lets me parse the information from the filename, copy it to some variables, and then run ffmpeg using those variables. It outputs to a second file, then moves that file to the original location, overwriting the original. One could remove that section out if you’re not sure about how it’s going to parse your files, but I’m glad I was able to get a solution that works for me.

• How to deal with "Buffer queue overflow, dropping." (ffmpeg)

  1er mai 2015, par whitesiroi

  Sometimes it works great and sometimes I’m getting this message
  [Parsed_overlay_0 @ 0x7f9520518800] [framesync @ 0x7f9521021e28] Buffer queue overflow, dropping.

  by running this command
  ffmpeg -i a1.mp4 -i watermark150x125.png -filter_complex 'overlay=10:10' output.mp4

  I tried different variation of "overlay" like overlay=W-w-5:H-h-5, overlay=10:main_h-overlay_h-10, overlay=main_w-overlay_w-10:main_h-overlay_h-10 - getting the same result.

  Here is the output of the ffmpeg command.

  ffmpeg version 2.6.2 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/2.6.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
  
    libavutil      54. 20.100 / 54. 20.100
  
    libavcodec     56. 26.100 / 56. 26.100
  
    libavformat    56. 25.101 / 56. 25.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 11.102 /  5. 11.102
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f952101d200] stream 0, timescale not set
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'a1.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      artist          : a1
  
      album           :
  
      comment         : 
  
      date            : 0
  
      genre           :
  
      title           : a1
  
      encoder         : Lavf56.4.101
  
    Duration: 00:01:41.51, start: 0.000000, bitrate: 227 kb/s
  
      Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 426x240 [SAR 1:1 DAR 71:40], 97 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
      Stream #0:2: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown), 120x90 [SAR 1:1 DAR 4:3], 90k tbr, 90k tbn, 90k tbc
  
  Input #1, png_pipe, from 'watermark150x125.png':
  
    Duration: N/A, bitrate: N/A
  
      Stream #1:0: Video: png, rgba, 150x125 [SAR 2835:2835 DAR 6:5], 25 tbr, 25 tbn, 25 tbc
  
  [swscaler @ 0x7f9521013e00] deprecated pixel format used, make sure you did set range correctly
  
  [libx264 @ 0x7f9521030e00] using SAR=1/1
  
  [libx264 @ 0x7f9521030e00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0x7f9521030e00] profile High, level 2.1
  
  [libx264 @ 0x7f9521030e00] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      artist          : a1
  
      album           :
  
      comment         : 
  
      date            : 0
  
      genre           :
  
      title           : a1
  
      encoder         : Lavf56.25.101
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 426x240 [SAR 1:1 DAR 71:40], q=-1--1, 29.97 fps, 30k tbn, 29.97 tbc (default)
  
      Metadata:
  
        encoder         : Lavc56.26.100 libx264
  
      Stream #0:1(und): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
        encoder         : Lavc56.26.100 libvo_aacenc
  
  Stream mapping:
  
    Stream #0:0 (h264) -> overlay:main (graph 0)
  
    Stream #0:2 (mjpeg) -> overlay:overlay (graph 0)
  
    overlay (graph 0) -> Stream #0:0 (libx264)
  
    Stream #0:1 -> #0:1 (aac (native) -> aac (libvo_aacenc))
  
  Press [q] to stop, [?] for help
  
  [Parsed_overlay_0 @ 0x7f9520518800] [framesync @ 0x7f9521021e28] Buffer queue overflow, dropping.
  
      Last message repeated 385 times
  
  [Parsed_overlay_0 @ 0x7f9520518800] [framesync @ 0x7f9521021e28] Buffer queue overflow, dropping.
  
      Last message repeated 564 times
  
  [Parsed_overlay_0 @ 0x7f9520518800] [framesync @ 0x7f9521021e28] Buffer queue overflow, dropping.
  
      Last message repeated 546 times
  
  [Parsed_overlay_0 @ 0x7f9520518800] [framesync @ 0x7f9521021e28] Buffer queue overflow, dropping.
  
      Last message repeated 569 times
  
  [Parsed_overlay_0 @ 0x7f9520518800] [framesync @ 0x7f9521021e28] Buffer queue overflow, dropping.
  
      Last message repeated 593 times
  
  [Parsed_overlay_0 @ 0x7f9520518800] [framesync @ 0x7f9521021e28] Buffer queue overflow, dropping.
  
      Last message repeated 312 times
  
  frame= 3041 fps=645 q=-1.0 Lsize=    1800kB time=00:01:41.52 bitrate= 145.3kbits/s dup=2975 drop=0
  
  video:149kB audio:1587kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.700745%
  
  [libx264 @ 0x7f9521030e00] frame I:14    Avg QP:19.91  size:  6947
  
  [libx264 @ 0x7f9521030e00] frame P:768   Avg QP:10.30  size:    27
  
  [libx264 @ 0x7f9521030e00] frame B:2259  Avg QP:13.67  size:    15
  
  [libx264 @ 0x7f9521030e00] consecutive B-frames:  0.9%  0.1%  0.1% 98.9%
  
  [libx264 @ 0x7f9521030e00] mb I  I16..4: 18.7% 59.0% 22.3%
  
  [libx264 @ 0x7f9521030e00] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.1%  0.0%  0.0%  0.0%  0.0%    skip:99.9%
  
  [libx264 @ 0x7f9521030e00] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.1%  0.0%  0.0%  direct: 0.0%  skip:99.9%  L0:50.7% L1:49.3% BI: 0.0%
  
  [libx264 @ 0x7f9521030e00] 8x8 transform intra:59.1% inter:31.9%
  
  [libx264 @ 0x7f9521030e00] coded y,uvDC,uvAC intra: 21.4% 12.4% 7.4% inter: 0.0% 0.0% 0.0%
  
  [libx264 @ 0x7f9521030e00] i16 v,h,dc,p: 39% 30% 30%  0%
  
  [libx264 @ 0x7f9521030e00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 34% 47% 16%  1%  0%  0%  1%  0%  1%
  
  [libx264 @ 0x7f9521030e00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 38% 15%  3%  3%  3%  6%  4%  7%
  
  [libx264 @ 0x7f9521030e00] i8c dc,h,v,p: 80% 15%  4%  1%
  
  [libx264 @ 0x7f9521030e00] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0x7f9521030e00] ref P L0: 96.5%  1.2%  2.3%
  
  [libx264 @ 0x7f9521030e00] ref B L0: 51.5% 48.5%
  
  [libx264 @ 0x7f9521030e00] ref B L1: 99.6%  0.4%
  
  [libx264 @ 0x7f9521030e00] kb/s:11.97

• ffmpeg is deleting id3 tags

  25 septembre 2012, par payal

  I'm using below code for converting MP3 files using FFmpeg.

  All id3 tags are deleted in the converted file.

  exec('ffmpeg  -i 01.mp3  -acodec libmp3lame  -ab 128k -map_meta_data 0:0 -ac 1 1.mp3 '))

  What am I doing wrong ? I tried this code as well but same result – I'm getting all id3 tags deleted.

   exec('ffmpeg  -i 01.mp3  -acodec libmp3lame  -ab 128k **-map_metadata 0:0** -ac 1 1.mp3 '))

  here is the ouytput

  plase find the command line output

      ffmpeg version N-44715-g10c00f7-syslint Copyright (c) 2000-2012 the FFmpeg developers
  
      built on Sep 24 2012 03:18:19 with gcc 4.4.6 (GCC) 20120305 (Red Hat 4.4.6-4)
  
      configuration: --prefix=/usr/local/cpffmpeg --enable-shared --enable-nonfree --enable-gpl --        enable-pthreads --enable-libopencore-amrnb --enable-decoder=liba52 --
  
  
  
    enable-libopencore-amrwb --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --extra-cflags=-
  
  
  
     I/usr/local/cpffmpeg/include/ --extra-ldflags=-L/usr/local/cpffmpeg/lib --enable-version3 --extra-version=syslint
  
       libavutil      51. 73.101 / 51. 73.101
  
       libavcodec     54. 58.100 / 54. 58.100
  
    libavformat    54. 28.100 / 54. 28.100
  
    libavdevice    54.  2.101 / 54.  2.101
  
   libavfilter     3. 17.100 /  3. 17.100
  
    libswscale      2.  1.101 /  2.  1.101
  
    libswresample   0. 15.100 /  0. 15.100
  
    libpostproc    52.  0.100 / 52.  0.100
  
   [mp3 @ 0x1a76240] max_analyze_duration 5000000 reached at 5015510
  
  Input #0, mp3, from '/home/xxxxxxx/public_html/xxxx/01.mp3':
  
  Metadata:
  
  title           : dheere dheere
  
  genre           : www.Mp3pk.com
  
  artist          : www.Mp3pk.com
  
  album           : AASHIQUI
  
   Duration: 00:05:28.77, start: 0.000000, bitrate: 146 kb/s
  
   Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16, 112 kb/s
  
  Output #0, mp3, to '/home/xxxxxx/public_html/xxxx/1.mp3':
  
  Metadata:
  
  TIT2            : dheere dheere
  
  TCON            : www.Mp3pk.com
  
  TPE1            : www.Mp3pk.com
  
  TALB            : AASHIQUI
  
  TSSE            : Lavf54.28.100
  
   Stream #0:0: Audio: mp3, 22050 Hz, mono, s16, 16 kb/s
  
  Stream mapping:
  
  Stream #0:0 -> #0:0 (mp3 -> libmp3lame)
  
  Press [q] to stop, [?] for help
  
  size=     642kB time=00:05:28.75 bitrate=  16.0kbits/s    
  
  video:0kB audio:642kB subtitle:0 global headers:0kB muxing overhead 0.043491%