[FFmpeg-trac] #5023(avformat:closed): Can no longer read mjpeg from Mobotix camera

[FFmpeg]

#5023: Can no longer read mjpeg from Mobotix camera
-------------------------------------+-------------------------------------
             Reporter:  hackeron     |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:  fixed
             Keywords:  mjpeg        |               Blocked By:
  mpjpeg regression                  |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by hackeron):

 And now with 53e8bef2 - another different error:

 {{{
 ffmpeg -i 'http://192.168.100.233/cgi-
 bin/faststream.jpg?stream=full&fps=5.0&noaudio&data=v.mjpeg' -y test.mkv
 ffmpeg version N-75463-g53e8bef Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 5.2.1 (Ubuntu 5.2.1-22ubuntu2) 20151010
   configuration: --enable-libx264 --enable-libfdk_aac --enable-gpl
 --enable-nonfree --enable-shared --enable-pic --enable-openssl
   libavutil      55.  2.100 / 55.  2.100
   libavcodec     57.  3.100 / 57.  3.100
   libavformat    57.  2.100 / 57.  2.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6.  6.100 /  6.  6.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.100 /  2.  0.100
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, mpjpeg, from 'http://192.168.100.233/cgi-
 bin/faststream.jpg?stream=full&fps=5.0&noaudio&data=v.mjpeg':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: mjpeg, yuvj420p(pc, bt470bg/unknown/unknown),
 1280x480 [SAR 1:1 DAR 8:3], 25 tbr, 25 tbn, 25 tbc
 No pixel format specified, yuvj420p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 0x11be600] using SAR=1/1
 [libx264 @ 0x11be600] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 [libx264 @ 0x11be600] profile High, level 3.1
 [libx264 @ 0x11be600] 264 - core 148 r2 a01e339 - H.264/MPEG-4 AVC codec -
 Copyleft 2003-2016 - 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 'test.mkv':
   Metadata:
     encoder         : Lavf57.2.100
     Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuvj420p(pc),
 1280x480 [SAR 1:1 DAR 8:3], q=-1--1, 25 fps, 1k tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.3.100 libx264
 Stream mapping:
   Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 http://192.168.100.233/cgi-
 bin/faststream.jpg?stream=full&fps=5.0&noaudio&data=v.mjpeg: Invalid data
 found when processing input
 frame=    1 fps=0.0 q=28.0 Lsize=      96kB time=00:00:00.04
 bitrate=19713.0kbits/s
 video:96kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.771905%
 [libx264 @ 0x11be600] frame I:1     Avg QP:30.97  size: 97124
 [libx264 @ 0x11be600] mb I  I16..4:  2.1% 92.2%  5.7%
 [libx264 @ 0x11be600] 8x8 transform intra:92.2%
 [libx264 @ 0x11be600] coded y,uvDC,uvAC intra: 90.6% 69.1% 21.7%
 [libx264 @ 0x11be600] i16 v,h,dc,p: 27% 31%  6% 35%
 [libx264 @ 0x11be600] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 15% 25%  6%  7%
 9%  9%  6% 10%
 [libx264 @ 0x11be600] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 14% 19%  7%  6%
 13%  6%  6%  7%
 [libx264 @ 0x11be600] i8c dc,h,v,p: 58% 23% 17%  3%
 [libx264 @ 0x11be600] kb/s:19424.80
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5023#comment:26>
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