[FFmpeg-trac] #1321(undetermined:new): image2pipe looses synch with a pipe of PBM images

[FFmpeg]

#1321: image2pipe looses synch with a pipe of PBM images
-------------------------------------+-------------------------------------
             Reporter:  pisto        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  image2pipe   |               Resolution:
  pbm                                |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by pisto):

 {{{
 ffmpeg -f image2pipe -vcodec pbm -r 30 -i - -y -vcodec yuv4 output.mkv
 }}}



 {{{
 ffmpeg version N-33891-g0e82d31 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on May 19 2012 15:17:38 with gcc 4.6.3 20120306 (Red Hat 4.6.3-2)
   configuration: --enable-gpl --enable-pic --arch=amd64 --cpu=native
 --enable-libvpx --enable-libx264 --enable-libv4l2 --enable-libtheora
 --enable-libspeex --enable-libschroedinger --enable-libpulse --enable-
 libmp3lame --enable-libfaac --enable-nonfree
   libavutil      51. 53.100 / 51. 53.100
   libavcodec     54. 21.101 / 54. 21.101
   libavformat    54.  5.100 / 54.  5.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 74.102 /  2. 74.102
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 12.100 /  0. 12.100
   libpostproc    52.  0.100 / 52.  0.100
 [image2pipe @ 0x1839340] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, image2pipe, from 'pipe:':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: pbm, monow, 800x800, 30 fps, 30 tbr, 30 tbn, 30
 tbc
 [buffer @ 0x18487a0] w:800 h:800 pixfmt:monow tb:1/1000000 sar:0/1
 sws_param:flags=2
 [buffersink @ 0x1be5400] No opaque field provided
 [format @ 0x18adba0] auto-inserting filter 'auto-inserted scaler 0'
 between the filter 'src' and the filter 'format'
 [scale @ 0x1843060] w:800 h:800 fmt:monow sar:0/1 -> w:800 h:800
 fmt:yuv420p sar:0/1 flags:0x4
 Output #0, matroska, to 'output.mkv':
   Metadata:
     encoder         : Lavf54.5.100
     Stream #0:0: Video: yuv4 (yuv4 / 0x34767579), yuv420p, 800x800,
 q=2-31, 200 kb/s, 1k tbn, 30 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (pbm -> yuv4)
 Error while decoding stream #0:01834724kB time=00:01:05.23
 bitrate=230405.8kbits/s
 Error while decoding stream #0:01935977kB time=00:01:08.86
 bitrate=230295.4kbits/s
 frame= 2079 fps= 63 q=0.0 Lsize= 1949146kB time=00:01:09.33
 bitrate=230300.3kbits/s
 video:1949062kB audio:0kB global headers:0kB muxing overhead 0.004309%

 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1321#comment:3>
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