[FFmpeg-trac] #292(avdevice:new): ffplay -f video4linux2 regression

FFmpeg trac at avcodec.org
Tue Jun 21 01:12:33 CEST 2011


#292: ffplay -f video4linux2 regression
-------------------------+-------------------------------
  Reporter:  cehoyos     |      Owner:
      Type:  defect      |     Status:  new
  Priority:  normal      |  Component:  avdevice
   Version:  git-master  |   Keywords:  ffplay regression
Blocked By:              |   Blocking:
Reproduced:  1           |   Analyzed:  0
-------------------------+-------------------------------
 ffplay -f video4linux2 /dev/video0 does not work any more since r25159,
 70f77361d8c339d516e3c4d1c4ab2bf9096d7cc6:
 Author: José Miguel Gonçalves <jose.goncalves at inov.pt>
 Date:   Thu Sep 23 09:16:05 2010 +0000

     Allow to set the frame rate in v4l2 devices
     Patch by José Miguel Gonçalves (jose DOT goncalves AT inov DOT pt)
 {{{
 $ ffplay -f video4linux2 /dev/video0
 FFplay version git-6ac6e3d, Copyright (c) 2003-2010 the FFmpeg developers
   built on Jun 21 2011 01:05:14 with gcc 4.5.3
   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --disable-encoders
 --disable-muxers
   libavutil     50.27. 0 / 50.27. 0
   libavcore      0. 9. 0 /  0. 9. 0
   libavcodec    52.89. 0 / 52.89. 0
   libavformat   52.78. 5 / 52.78. 5
   libavdevice   52. 2. 2 / 52. 2. 2
   libavfilter    1.39. 0 /  1.39. 0
   libswscale     0.11. 0 /  0.11. 0
 [video4linux2 @ 0x103e6d0] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, video4linux2, from '/dev/video0':
   Duration: N/A, start: 1308611201.235607, bitrate: 132710 kb/s
     Stream #0.0: Video: rawvideo, yuv420p, 768x576, 132710 kb/s, 25 tbr,
 1000k tbn, 25 tbc
 1308611201.62 A-V:  0.000 s:0.2 aq=    0KB vq=    0KB sq=    0B f=0/9
 }}}
 {{{
 $ ffplay -f video4linux2 /dev/video0
 FFplay version git-70f7736, Copyright (c) 2003-2010 the FFmpeg developers
   built on Jun 21 2011 01:07:25 with gcc 4.5.3
   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --disable-encoders
 --disable-muxers
   libavutil     50.27. 0 / 50.27. 0
   libavcore      0. 9. 0 /  0. 9. 0
   libavcodec    52.89. 0 / 52.89. 0
   libavformat   52.78. 5 / 52.78. 5
   libavdevice   52. 2. 2 / 52. 2. 2
   libavfilter    1.39. 0 /  1.39. 0
   libswscale     0.11. 0 /  0.11. 0
 [video4linux2 @ 0x103e6d0] ioctl set time per frame(1/25) failed
 /dev/video0: Input/output error
 }}}

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/292>
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