[FFmpeg-trac] #4448(avformat:open): Support writing album cover art image embedded in ogg / opus metadata

[FFmpeg]

#4448: Support writing album cover art image embedded in ogg / opus metadata
-------------------------------------+-------------------------------------
             Reporter:  llogan       |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  ogg opus     |               Blocked By:
  metadata                           |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by neitsab):

 Just got caught by this, trying to transcode a Flac file with an embedded
 cover to an Opus file, only to find that the cover had been stripped and
 that there were no options to embed it into a matching stream:

 {{{
 ffmpeg -i cover.flac -c:a libopus -map 0:a -map 0:v -c:v copy test.opus -y
 ffmpeg version n7.1 Copyright (c) 2007-2024 the FFmpeg developers
   built with gcc 14.2.1 (GCC) 20240910
   configuration: --prefix=/usr --disable-debug --disable-static --disable-
 stripping --enable-amf --enable-avisynth --enable-cuda-llvm --enable-lto
 --enable-fontconfig --enable-frei0r --enable-gmp --enable-gnutls --enable-
 gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray
 --enable-libbs2b --enable-libdav1d --enable-libdrm --enable-libdvdnav
 --enable-libdvdread --enable-libfreetype --enable-libfribidi --enable-
 libglslang --enable-libgsm --enable-libharfbuzz --enable-libiec61883
 --enable-libjack --enable-libjxl --enable-libmodplug --enable-libmp3lame
 --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg
 --enable-libopenmpt --enable-libopus --enable-libplacebo --enable-libpulse
 --enable-librav1e --enable-librsvg --enable-librubberband --enable-
 libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-
 libssh --enable-libsvtav1 --enable-libtheora --enable-libv4l2 --enable-
 libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpl --enable-
 libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb
 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq
 --enable-nvdec --enable-nvenc --enable-opencl --enable-opengl --enable-
 shared --enable-vapoursynth --enable-version3 --enable-vulkan
   libavutil      59. 39.100 / 59. 39.100
   libavcodec     61. 19.100 / 61. 19.100
   libavformat    61.  7.100 / 61.  7.100
   libavdevice    61.  3.100 / 61.  3.100
   libavfilter    10.  4.100 / 10.  4.100
   libswscale      8.  3.100 /  8.  3.100
   libswresample   5.  3.100 /  5.  3.100
   libpostproc    58.  3.100 / 58.  3.100

 Input #0, flac, from cover.flac:
 ...
   Stream #0:0: Audio: flac, 44100 Hz, stereo, s16
   Stream #0:1: Video: mjpeg (Baseline), yuvj420p(pc,
 bt470bg/unknown/unknown), 1400x1400 [SAR 72:72 DAR 1:1], 90k tbr, 90k tbn
 (attached pic)
       Metadata:
         comment         : Cover (front)
 Stream mapping:
   Stream #0:0 -> #0:0 (flac (native) -> opus (libopus))
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 [libopus @ 0x623a17473700] No bit rate set. Defaulting to 96000 bps.
 [opus @ 0x623a174755c0] Unsupported codec id in stream 1
 [out#0/opus @ 0x623a174754c0] Could not write header (incorrect codec
 parameters ?): Invalid argument
 [af#0:0 @ 0x623a17475f40] Error sending frames to consumers: Invalid
 argument
 [af#0:0 @ 0x623a17475f40] Task finished with error code: -22 (Invalid
 argument)
 [af#0:0 @ 0x623a17475f40] Terminating thread with return code -22 (Invalid
 argument)
 [out#0/opus @ 0x623a174754c0] Nothing was written into output file,
 because at least one of its streams received no packets.
 frame=    0 fps=0.0 q=-1.0 Lsize=       0KiB time=N/A bitrate=N/A
 speed=N/A
 Conversion failed!
 }}}

 As a workaround, opusenc works out-of-the-box without any extra option,
 but darn it it forces us to use another tool! ;-)


 Dear devs please consider reviewing this 🙏🏻
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/4448#comment:14>
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