[FFmpeg-trac] #19(FFmpeg:new): MVs not available

FFmpeg trac at avcodec.org
Fri Mar 25 15:20:51 CET 2011


#19: MVs not available
---------------------+---------------------
  Reporter:  cosai   |      Owner:  michael
      Type:  defect  |     Status:  new
  Priority:  normal  |  Component:  FFmpeg
   Version:  0.6     |   Keywords:
Blocked By:          |   Blocking:
Reproduced:  0       |   Analyzed:  0
---------------------+---------------------
 when I try to create a screenshot of the video it gives the error below.
 You can also find the command I am using. The generated fiele is 0 kb.

 Maybe I don't have png library in ffmpeg? Can I install it seperately?

 FFmpeg version 0.6.1, Copyright (c) 2000-2010 the FFmpeg developers
   built on Dec  4 2010 15:35:31 with gcc 4.1.2 20080704 (Red Hat 4.1.2-48)
   configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64
 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-
 cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-
 protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-
 avfilter --enable-avfilter-lavf --enable-libdirac --enable-libfaac
 --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264
 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads
 --enable-shared --enable-swscale --enable-vdpau --enable-version3
 --enable-x11grab
   libavutil     50.15. 1 / 50.15. 1
   libavcodec    52.72. 2 / 52.72. 2
   libavformat   52.64. 2 / 52.64. 2
   libavdevice   52. 2. 0 / 52. 2. 0
   libavfilter    1.19. 0 /  1.19. 0
   libswscale     0.11. 0 /  0.11. 0
   libpostproc   51. 2. 0 / 51. 2. 0
 Input #0, mpeg, from './baby.mpeg':
   Duration: 26:30:43.71, start: 0.808011, bitrate: 0 kb/s
     Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x240 [PAR 200:219
 DAR 880:657], 334 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
     Stream #0.1[0x1c0]: Audio: mp2, 44100 Hz, 1 channels, s16, 32 kb/s
 Output #0, rawvideo, to './baby.png':
   Metadata:
     encoder         : Lavf52.64.2
     Stream #0.0: Video: png, rgb24, 320x240 [PAR 220:219 DAR 880:657],
 q=2-31, 200 kb/s, 90k tbn, 25 tbc
 Stream mapping:
   Stream #0.0 -> #0.0
 Press [q] to stop encoding
 [mpeg1video @ 0x1fb9c60]ac-tex damaged at 14 12
 [mpeg1video @ 0x1fb9c60]Warning MVs not available
 [mpeg1video @ 0x1fb9c60]concealing 0 DC, 0 AC, 0 MV errors
 [mpeg1video @ 0x1fb9c60]ac-tex damaged at 12 9
 [mpeg1video @ 0x1fb9c60]concealing 132 DC, 132 AC, 132 MV errors
 frame=    0 fps=  0 q=0.0 Lsize=       0kB time=10000000000.00 bitrate=
 0.0kbits/s dup=0 drop=86
 video:0kB audio:0kB global headers:0kB muxing overhead nan%

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/19>
FFmpeg <http://ffmpeg.org>
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