[FFmpeg-trac] #7762(avformat:new): extracting subtitle stream fails

[FFmpeg]

#7762: extracting subtitle stream fails
-------------------------------------+-------------------------------------
             Reporter:  Bastian      |                    Owner:  (none)
  Bittorf                            |
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mov aac      |               Blocked By:
  mov_text regression                |
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Bastian Bittorf):

 It's the some problem with a recent
   ffmpeg version 7.0.2-static https://johnvansickle.com/ffmpeg/

 Reproced with:

 {{{
 user at box:~$ ffmpeg -i file.m4a -map 0:1 -c copy out.srt
 ffmpeg version 7.0.2-static https://johnvansickle.com/ffmpeg/  Copyright
 (c) 2000-2024 the FFmpeg developers
   built with gcc 8 (Debian 8.3.0-6)
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio
 --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp
 --enable-libgme --enable-gray --enable-libaom --enable-libfribidi
 --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt
 --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab
 --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264
 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid
 --enable-libzvbi --enable-libzimg
   libavutil      59.  8.100 / 59.  8.100
   libavcodec     61.  3.100 / 61.  3.100
   libavformat    61.  1.100 / 61.  1.100
   libavdevice    61.  1.100 / 61.  1.100
   libavfilter    10.  1.100 / 10.  1.100
   libswscale      8.  1.100 /  8.  1.100
   libswresample   5.  1.100 /  5.  1.100
   libpostproc    58.  1.100 / 58.  1.100
 [mjpeg @ 0xd50ab40] EOI missing, emulating
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'file.m4a':
   Metadata:
     major_brand     : M4V
     minor_version   : 1
     compatible_brands: M4A mp42isom
     creation_time   : 2019-02-20T23:54:27.000000Z
     title           : FS232 Wurstkatastrophe im Bällebad
     artist          : Metaebene Personal Media
     album           : Freak Show
     track           : 232
     date            : 2019
     encoder         : auphonic.com
     iTunSMPB        :  00000000 00000800 000005E0 00000000125EC620
 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
     description     :
     comment         :
     album_artist    : Freak Show
   Duration: 03:52:57.53, start: 0.000000, bitrate: 49 kb/s
   Chapters:
     Chapter #0:0: start 0.000000, end 65.487000
       Metadata:
         title           : Intro
     Chapter #0:1: start 65.487000, end 169.929000
       Metadata:
         title           : Begrüßung
     Chapter #0:2: start 169.929000, end 397.296000
       Metadata:
         title           : Niklas Roy
     Chapter #0:3: start 397.296000, end 1603.783000
       Metadata:
         title           : Heimcomputer und Spielekonsolen
     Chapter #0:4: start 1603.783000, end 3173.700000
       Metadata:
         title           : Grafiksoftware
     Chapter #0:5: start 3173.700000, end 4836.552000
       Metadata:
         title           : Kunst
     Chapter #0:6: start 4836.552000, end 6757.380000
       Metadata:
         title           : Niklas' Projekte
     Chapter #0:7: start 6757.380000, end 8316.623000
       Metadata:
         title           : Steuerung und Workshops
     Chapter #0:8: start 8316.623000, end 10261.220000
       Metadata:
         title           : Dokumentation und freie Lizenzen
     Chapter #0:9: start 10261.220000, end 13145.059000
       Metadata:
         title           : Neues aus Barcelona
     Chapter #0:10: start 13145.059000, end 13661.674000
       Metadata:
         title           : E-Roller Security
     Chapter #0:11: start 13661.674000, end 13857.677000
       Metadata:
         title           : Free Wifi an Flughäfen
     Chapter #0:12: start 13857.677000, end 13977.530000
       Metadata:
         title           : Ausklang
   Stream #0:0[0x1](und): Audio: aac (HE-AAC) (mp4a / 0x6134706D), 44100
 Hz, stereo, fltp, 47 kb/s (default)
       Metadata:
         creation_time   : 2019-02-20T23:54:27.000000Z
         vendor_id       : [0][0][0][0]
   Stream #0:1[0x2](eng): Data: bin_data (tx3g / 0x67337874)
       Metadata:
         creation_time   : 2019-02-20T23:58:55.000000Z
         handler_name    : "Chapter Titles"
   Stream #0:2[0x3](eng): Video: mjpeg (Baseline) (jpeg / 0x6765706A),
 yuvj420p(pc, bt470bg/unknown/unknown), 300x300 [SAR 1:1 DAR 1:1], 0.0001
 fps, 0.0001 tbr, 1k tbn (default) (attached pic) (timed thumbnails)
       Metadata:
         creation_time   : 2019-02-20T23:58:55.000000Z
         handler_name    : "Chapter Images"
         vendor_id       : ....
 Stream mapping:
   Stream #0:1 -> #0:0 (copy)
 [srt @ 0xd5ab280] srt muxer does not support any stream of type data
 [out#0/srt @ 0xd5aa900] Could not write header (incorrect codec parameters
 ?): Invalid argument
 Conversion failed!

 bastian at ryzen:~$ echo $?
 234
 }}}

 Or is my commandline wrong?
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/7762#comment:5>
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