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

[FFmpeg]

#2410: ffmpeg down with video4linux2.
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             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           |
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Comment (by dinhka):

 Replying to [comment:10 cehoyos]:
 > Replying to [comment:9 dinhka]:
 > >   2. test case 2. the process hang.
 > >
 > >   ffmpeg -f video4linux2 -pix_fmt yuv420p -i /dev/video0  -vcodec
 mpeg4 -b:v 1200k -y test.avi
 >
 > Please confirm that 2d777bb also hangs if you remove "-pix_fmt yuv420p".
 > Does "-loglevel 99" show some output?
 > Does MPlayer work with your card?

 Hi,

    1. remove "-pix_fmt yuv420p" still hang.
    2. ffmpeg -loglevel 99 -f video4linux2  -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
 [video4linux2 @ 0xa7b64c0] [3]Capabilities: 5000001
 [video4linux2 @ 0xa7b64c0] Querying the device for the current frame size
 [video4linux2 @ 0xa7b64c0] Setting frame size to 720x480
 [video4linux2 @ 0xa7b64c0] The V4L2 driver set input_id: 0, input:
 Composite0

   3. I test my video card on windows xp is OK. the hardware is good.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2410#comment:11>
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