[FFmpeg-trac] #2270(undetermined:new): ffmpeg transcodes cover art to a video stream with a single frame

FFmpeg trac at avcodec.org
Thu Feb 14 11:05:53 CET 2013


#2270: ffmpeg transcodes cover art to a video stream with a single frame
-------------------------------------+-------------------------------------
             Reporter:  gjdfgh       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 {{{
 $ ffmpeg -i tests/sample.mp3 out.mkv
 ffmpeg version 1.0.3 Copyright (c) 2000-2012 the FFmpeg developers
   built on Jan 24 2013 14:52:18 with gcc 4.7 (Debian 4.7.2-5)
   configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector
 --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-
 ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-
 libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-
 pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-
 x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb
 --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-
 nonfree --disable-stripping --enable-libvpx --enable-libschroedinger
 --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg
 --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-
 aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus
 --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray
 --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl
 --enable-libass --enable-libopus --enable-fontconfig --enable-libdc1394
 --disable-altivec --disable-armv5te --disable  libavutil      51. 73.101 /
 51. 73.101
   libavcodec     54. 59.100 / 54. 59.100
   libavformat    54. 29.104 / 54. 29.104
   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 @ 0x8091a60] max_analyze_duration 5000000 reached at 5015510
 [mp3 @ 0x8091a60] Estimating duration from bitrate, this may be inaccurate
 Input #0, mp3, from 'tests/sample.mp3':
   Metadata:
     album_artist    : Armin Van Buuren
     track           : 26
     encoded_by      : Https://Www.Facebook.Com/Inspirontrance
     title           : Serenity (Andrew Rayel Aether Remix) [Future
 Favorite]
     artist          : Armin Van Buuren Feat. Jan Vayne
     album           : A State Of Trance Episode 587 (2012-11-15)
     genre           : Trance
     date            : 2012

   Duration: 00:05:20.20, start: 0.000000, bitrate: 255 kb/s
     Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16, 256 kb/s
     Stream #0:1: Video: mjpeg, yuvj444p, 720x720 [SAR 72:72 DAR 1:1], 90k
 tbr, 90k tbn, 90k tbc
     Metadata:
       title           :
       comment         : Cover (front)
 [libx264 @ 0x80a82e0] using SAR=1/1
 [libx264 @ 0x80a82e0] MB rate (182250000) > level limit (2073600)
 [libx264 @ 0x80a82e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
 [libx264 @ 0x80a82e0] profile High, level 5.2
 [libx264 @ 0x80a82e0] 264 - core 129 - H.264/MPEG-4 AVC codec - Copyleft
 2003-2013 - 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=3
 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, matroska, to 'out.mkv':
   Metadata:
     album_artist    : Armin Van Buuren
     PART_NUMBER     : 26
     encoded_by      : Https://Www.Facebook.Com/Inspirontrance
     title           : Serenity (Andrew Rayel Aether Remix) [Future
 Favorite]
     artist          : Armin Van Buuren Feat. Jan Vayne
     album           : A State Of Trance Episode 587 (2012-11-15)
     genre           : Trance
     date            : 2012
     encoder         : Lavf54.29.104
     Stream #0:0: Video: h264 (H264 / 0x34363248), yuvj420p, 720x720 [SAR
 1:1 DAR 1:1], q=-1--1, 1k tbn, 90k tbc
     Metadata:
       title           :
       comment         : Cover (front)
     Stream #0:1: Audio: vorbis (oV[0][0] / 0x566F), 44100 Hz, stereo, flt
 Stream mapping:
   Stream #0:1 -> #0:0 (mjpeg -> libx264)
   Stream #0:0 -> #0:1 (mp3 -> libvorbis)
 Press [q] to stop, [?] for help
 frame=    1 fps=0.1 q=33.0 Lsize=    4410kB time=00:05:12.99 bitrate=
 115.4kbits/s
 video:11kB audio:4276kB subtitle:0 global headers:4kB muxing overhead
 2.766691%

 [libx264 @ 0x80a82e0] frame I:1     Avg QP:31.73  size: 10211
 [libx264 @ 0x80a82e0] mb I  I16..4: 46.9% 35.0% 18.1%
 [libx264 @ 0x80a82e0] 8x8 transform intra:35.0%
 [libx264 @ 0x80a82e0] coded y,uvDC,uvAC intra: 26.8% 8.9% 3.2%
 [libx264 @ 0x80a82e0] i16 v,h,dc,p: 70% 16%  7%  7%
 [libx264 @ 0x80a82e0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 14% 23%  4%  5%
 11%  5%  6%  5%
 [libx264 @ 0x80a82e0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 40% 20% 13%  4%  5%
 7%  4%  4%  3%
 [libx264 @ 0x80a82e0] i8c dc,h,v,p: 91%  4%  5%  0%
 [libx264 @ 0x80a82e0] kb/s:7351920.00
 }}}

 {{{

 $ ffprobe out.mkv
 ffprobe version 1.0.3 Copyright (c) 2007-2012 the FFmpeg developers
   built on Jan 24 2013 14:52:18 with gcc 4.7 (Debian 4.7.2-5)
   configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector
 --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-
 ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-
 libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-
 pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-
 x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb
 --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-
 nonfree --disable-stripping --enable-libvpx --enable-libschroedinger
 --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg
 --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-
 aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus
 --libdir=/usr/lib/i386-linux-gnu --disable-vda --enable-libbluray
 --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl
 --enable-libass --enable-libopus --enable-fontconfig --enable-libdc1394
 --disable-altivec --disable-armv5te --disable  libavutil      51. 73.101 /
 51. 73.101
   libavcodec     54. 59.100 / 54. 59.100
   libavformat    54. 29.104 / 54. 29.104
   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
 [matroska,webm @ 0x807f6e0] max_analyze_duration 5000000 reached at
 5017000
 Input #0, matroska,webm, from 'out.mkv':
   Metadata:
     title           : Serenity (Andrew Rayel Aether Remix) [Future
 Favorite]
     ALBUM_ARTIST    : Armin Van Buuren
     track           : 26
     ENCODED_BY      : Https://Www.Facebook.Com/Inspirontrance
     ARTIST          : Armin Van Buuren Feat. Jan Vayne
     ALBUM           : A State Of Trance Episode 587 (2012-11-15)
     GENRE           : Trance
     DATE            : 2012
     ENCODER         : Lavf54.29.104
   Duration: 00:05:13.54, start: 0.000000, bitrate: 115 kb/s
     Stream #0:0: Video: h264 (High), yuvj420p, 720x720 [SAR 1:1 DAR 1:1],
 30k fps, 30k tbr, 1k tbn, 180k tbc
     Metadata:
       title           :
       COMMENT         : Cover (front)
     Stream #0:1: Audio: vorbis, 44100 Hz, stereo, s16 (default)
 }}}

 It should create an audio-only mkv with the picture embedded as metadata
 instead. Should it turn out that mkv does not have anything like image
 data in metadata, ffmpeg should not create a video stream anyway.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2270>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


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