[FFmpeg-trac] #2410(undetermined:new): ffmpeg down with video4linux2.

FFmpeg trac at avcodec.org
Fri Mar 29 05:35:40 CET 2013


#2410: ffmpeg down with video4linux2.
-------------------------------------+-------------------------------------
             Reporter:  dinhka       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  v4l2         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by dinhka):

 Replying to [comment:1 cehoyos]:
 > Does it work with an older version of FFmpeg?

 I try ffmpeg git master, ffmpeg 1.2, ffmpeg 1.1.4 with the same error.
 I try ffmpeg 0.5.12, the result as:

 [root at localhost ffmpeg-0.5.12]# ffmpeg -f video4linux2 -pix_fmt yuv420p -i
 /dev/video0  -vcodec mpeg4 -b:v 1200k -y test.avi
 FFmpeg version 0.5.12, Copyright (c) 2000-2013 Fabrice Bellard, et al.
   configuration: --enable-version3 --enable-libopencore-amrnb --enable-
 libopencore-amrwb --enable-avfilter --enable-nonfree --enable-libmp3lame
 --enable-gpl --enable-libfaac --enable-libx264 --enable-pthreads
 --disable-stripping --extra-cflags=-I/usr/local/include --disable-debug
   libavutil     49.15. 0 / 49.15. 0
   libavcodec    52.20. 1 / 52.20. 1
   libavformat   52.31. 0 / 52.31. 0
   libavdevice   52. 1. 0 / 52. 1. 0
   libavfilter    0. 4. 0 /  0. 4. 0
   built on Mar 29 2013 11:23:13, gcc: 4.4.7 20120313 (Red Hat 4.4.7-3)
 [video4linux2 @ 0xa317290]Wrong size (0x0)
 /dev/video0: Error while opening file

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2410#comment:3>
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