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

[FFmpeg]

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

Comment (by dinhka):

 Replying to [comment:8 cehoyos]:
 > Replying to [comment:7 dinhka]:
 > > Replying to [comment:6 cehoyos]:
 > > > Could you test if version 2d777bb works?
 > >   How do I get  2d777bb version?
 >
 > Either with "git checkout 2d777bb" or at
 http://git.videolan.org/?p=ffmpeg.git;a=snapshot;h=2d777bb;sf=tgz

 Hi,

   I have installed 2d777bb version.

   1. test case 1

   ffmpeg -f v4l2 -i /dev/video0  -vcodec mpeg4 -b:v
 FFmpeg version UNKNOWN, Copyright (c) 2000-2011 the FFmpeg developers
   built on Mar 29 2013 13:23:35 with gcc 4.4.7 20120313 (Red Hat 4.4.7-3)
   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     50.36. 0 / 50.36. 0
   libavcore      0.16. 0 /  0.16. 0
   libavcodec    52.102. 0 / 52.102. 0
   libavformat   52.92. 0 / 52.92. 0
   libavdevice   52. 2. 2 / 52. 2. 2
   libavfilter    1.72. 0 /  1.72. 0
   libswscale     0.12. 0 /  0.12. 0
 Unknown input format: 'v4l2'

   2. test case 2. the process hang.

   ffmpeg -f video4linux2 -pix_fmt yuv420p -i /dev/video0  -vcodec mpeg4
 -b:v 1200k -y test.avi
 FFmpeg version UNKNOWN, Copyright (c) 2000-2011 the FFmpeg developers
   built on Mar 29 2013 13:23:35 with gcc 4.4.7 20120313 (Red Hat 4.4.7-3)
   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     50.36. 0 / 50.36. 0
   libavcore      0.16. 0 /  0.16. 0
   libavcodec    52.102. 0 / 52.102. 0
   libavformat   52.92. 0 / 52.92. 0
   libavdevice   52. 2. 2 / 52. 2. 2
   libavfilter    1.72. 0 /  1.72. 0
   libswscale     0.12. 0 /  0.12. 0


 output of dmesg:

 stk1160: vma=0xf3e5d3e8
 stk1160: vma start=0xb74ce000, size=692224 (0)
 stk1160: vma=0xf3e5d128
 stk1160: vma start=0xb7425000, size=692224 (0)
 stk1160: vma=0xf3e5d230
 stk1160: vma start=0xb737c000, size=692224 (0)
 stk1160: vma=0xf3e5d180
 stk1160: vma start=0xb72d3000, size=692224 (0)
 stk1160: vma=0xf3e5d390
 stk1160: vma start=0xb722a000, size=692224 (0)
 stk1160: vma=0xf3e5da18
 stk1160: vma start=0xb7181000, size=692224 (0)
 stk1160: vma=0xf218d860
 stk1160: vma start=0xb70d8000, size=692224 (0)
 stk1160: vma=0xf218d7b0
 stk1160: vma start=0xb702f000, size=692224 (0)
 stk1160: vma=0xf218db78
 stk1160: vma start=0xb6f86000, size=692224 (0)
 stk1160: vma=0xf218d910
 stk1160: vma start=0xb6edd000, size=692224 (0)
 stk1160: vma=0xf218d808
 stk1160: vma start=0xb6e34000, size=692224 (0)
 stk1160: vma=0xf218d968
 stk1160: vma start=0xb6d8b000, size=692224 (0)
 stk1160: vma=0xf218d8b8
 stk1160: vma start=0xb6ce2000, size=692224 (0)
 stk1160: vma=0xf218dbd0
 stk1160: vma start=0xb6c39000, size=692224 (0)
 stk1160: vma=0xf218dc28
 stk1160: vma start=0xb6b90000, size=692224 (0)
 stk1160: vma=0xf218da70
 stk1160: vma start=0xb6ae7000, size=692224 (0)
 stk1160: vma=0xf2151180
 stk1160: vma start=0xb6a3e000, size=692224 (0)
 stk1160: vma=0xf2151de0
 stk1160: vma start=0xb6995000, size=692224 (0)
 stk1160: vma=0xf2151bd0
 stk1160: vma start=0xb68ec000, size=692224 (0)
 stk1160: vma=0xf2151338
 stk1160: vma start=0xb6843000, size=692224 (0)
 stk1160: vma=0xf21518b8
 stk1160: vma start=0xb679a000, size=692224 (0)
 stk1160: vma=0xf2151c28
 stk1160: vma start=0xb66f1000, size=692224 (0)
 stk1160: vma=0xf2151f98
 stk1160: vma start=0xb6648000, size=692224 (0)
 stk1160: vma=0xf2151440
 stk1160: vma start=0xb659f000, size=692224 (0)
 stk1160: vma=0xf2133e38
 stk1160: vma start=0xb64f6000, size=692224 (0)
 stk1160: vma=0xf2133d88
 stk1160: vma start=0xb644d000, size=692224 (0)
 stk1160: vma=0xf21335f8
 stk1160: vma start=0xb63a4000, size=692224 (0)
 stk1160: vma=0xf2133860
 stk1160: vma start=0xb62fb000, size=692224 (0)
 stk1160: vma=0xf2133968
 stk1160: vma start=0xb6252000, size=692224 (0)
 stk1160: vma=0xf21334f0
 stk1160: vma start=0xb61a9000, size=692224 (0)
 stk1160: vma=0xf2133e90
 stk1160: vma start=0xb6100000, size=692224 (0)
 stk1160: vma=0xf2133ac8
 stk1160: vma start=0xb6057000, size=692224 (0)
 stk1160: setting alternate 5
 stk1160: minimum isoc packet size: 3072 (alt=5)
 stk1160: setting alt 5 with wMaxPacketSize=3072
 stk1160: allocating urbs...
 stk1160: urbs allocated
 stk1160: streaming started

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2410#comment:9>
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