[FFmpeg-trac] #4352(undetermined:new): Too large number of skipped frames or invalid clipping

FFmpeg trac at avcodec.org
Thu Mar 5 09:58:49 CET 2015


#4352: Too large number of skipped frames or invalid clipping
-------------------------------------+-------------------------------------
             Reporter:  le_cheveulu  |                     Type:  defect
               Status:  new          |                 Priority:  critical
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  skipped      |               Blocked By:
  frames invalid clipping            |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 First, excuse my english that is not good...

 I try to record my USB HD webcam with ffmpeg under ubuntu 14.04 and I have
 some trouble.

 With the command :

 ffmpeg -y -f v4l2 -s 1280x720 -i /dev/video2 -vcodec copy test.avi

 The record break down after about 30s with the message

 "Too large number of skipped frames 201055 > 60000
 av_interleaved_write_frame(): Invalid argument"

 I tried with a buffsize

 ffmpeg -y -f v4l2 -rtbufsize 1000000k -s 1280x720 -i /dev/video2 -vcodec
 copy test.avi

 In this case the record don't break but there are many invalid clipping
 and produce many freeze in the video. The message in this case is :

 ffmpeg version 1.2.6-7:1.2.6-1~trusty1 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Apr 26 2014 18:52:58 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
   configuration: --arch=amd64 --disable-stripping --enable-avresample
 --enable-pthreads --enable-runtime-cpudetect --extra-
 version='7:1.2.6-1~trusty1' --libdir=/usr/lib/x86_64-linux-gnu
 --prefix=/usr --enable-bzlib --enable-libdc1394 --enable-libfreetype
 --enable-frei0r --enable-gnutls --enable-libgsm --enable-libmp3lame
 --enable-librtmp --enable-libopencv --enable-libopenjpeg --enable-libopus
 --enable-libpulse --enable-libschroedinger --enable-libspeex --enable-
 libtheora --enable-vaapi --enable-vdpau --enable-libvorbis --enable-libvpx
 --enable-zlib --enable-gpl --enable-postproc --enable-libcdio --enable-
 x11grab --enable-libx264 --shlibdir=/usr/lib/x86_64-linux-gnu --enable-
 shared --disable-static
   libavutil      52. 18.100 / 52. 18.100
   libavcodec     54. 92.100 / 54. 92.100
   libavformat    54. 63.104 / 54. 63.104
   libavdevice    53.  5.103 / 53.  5.103
   libavfilter     3. 42.103 /  3. 42.103
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 [video4linux2,v4l2 @ 0x1377660] Estimating duration from bitrate, this may
 be inaccurate
 Input #0, video4linux2,v4l2, from '/dev/video2':
   Duration: N/A, start: 3584.080259, bitrate: 147456 kb/s
     Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 1280x720,
 147456 kb/s, 10 fps, 10 tbr, 1000k tbn, 1000k tbc
 Output #0, avi, to 'test.avi':
   Metadata:
     ISFT            : Lavf54.63.104
     Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 1280x720,
 q=2-31, 147456 kb/s, 10 fps, 20 tbn, 20 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 frame=    7 fps=0.0 q=-1.0 size=   12606kB time=00:00:00.65
 bitrate=158869.9kbitframe=   12 fps= 12 q=-1.0 size=   21606kB
 time=00:00:01.15 bitrate=153907.9kbitframe=   17 fps= 11 q=-1.0 size=
 30606kB time=00:00:01.65 bitrate=151953.2kbitframe=   22 fps= 11 q=-1.0
 size=   39606kB time=00:00:02.15 bitrate=150907.6kbitframe=   27 fps= 11
 q=-1.0 size=   48606kB time=00:00:02.65 bitrate=150256.6kbitframe=   32
 fps= 11 q=-1.0 size=   57606kB time=00:00:03.15 bitrate=149812.3kbitframe=
 37 fps= 10 q=-1.0 size=   66606kB time=00:00:03.65
 bitrate=149489.7kbitframe=   42 fps= 10 q=-1.0 size=   75606kB
 time=00:00:04.15 bitrate=149244.8kbitframe=   47 fps= 10 q=-1.0 size=
 84606kB time=00:00:04.65 bitrate=149052.6kbitframe=   52 fps= 10 q=-1.0
 size=   93606kB time=00:00:05.15 bitrate=148897.7kbitframe=   57 fps= 10
 q=-1.0 size=  102606kB time=00:00:05.65 bitrate=148770.2kbitframe=   62
 fps= 10 q=-1.0 size=  111607kB time=00:00:06.20 bitrate=147464.6kbitframe=
 67 fps= 10 q=-1.0 size=  120607kB time=00:00:06.70
 bitrate=147464.1kbitframe=   72 fps= 10 q=-1.0 size=  129607kB
 time=00:00:07.20 bitrate=147463.6kbitframe=   77 fps= 10 q=-1.0 size=
 138607kB time=00:00:07.70 bitrate=147463.2kbitframe=   82 fps= 10 q=-1.0
 size=  147607kB time=00:00:08.20 bitrate=147462.8kbitframe=   87 fps= 10
 q=-1.0 size=  156607kB time=00:00:08.70 bitrate=147462.5kbitframe=   92
 fps= 10 q=-1.0 size=  165607kB time=00:00:09.20 bitrate=147462.2kbitframe=
 97 fps= 10 q=-1.0 size=  174607kB time=00:00:09.70
 bitrate=147462.0kbitframe=  102 fps= 10 q=-1.0 size=  183607kB
 time=00:00:10.20 bitrate=147461.7kbitframe=  107 fps= 10 q=-1.0 size=
 192607kB time=00:00:10.70 bitrate=147461.5kbitframe=  112 fps= 10 q=-1.0
 size=  201607kB time=00:00:11.20 bitrate=147461.3kbitframe=  117 fps= 10
 q=-1.0 size=  210607kB time=00:00:11.70 bitrate=147461.2kbitframe=  123
 fps= 10 q=-1.0 size=  221407kB time=00:00:12.30 bitrate=147461.0kbitframe=
 128 fps= 10 q=-1.0 size=  230408kB time=00:00:12.80
 bitrate=147460.8kbitframe=  133 fps= 10 q=-1.0 size=  239408kB
 time=00:00:13.30 bitrate=147460.7kbitframe=  138 fps= 10 q=-1.0 size=
 248408kB time=00:00:13.80 bitrate=147460.6kbitframe=  143 fps= 10 q=-1.0
 size=  257408kB time=00:00:14.30 bitrate=147460.5kbitframe=  148 fps= 10
 q=-1.0 size=  266408kB time=00:00:14.80 bitrate=147460.3kbitframe=  153
 fps= 10 q=-1.0 size=  275408kB time=00:00:15.30 bitrate=147460.2kbitframe=
 158 fps= 10 q=-1.0 size=  284408kB time=00:00:15.80
 bitrate=147460.2kbitframe=  163 fps= 10 q=-1.0 size=  293408kB
 time=00:00:16.30 bitrate=147460.1kbitframe=  168 fps= 10 q=-1.0 size=
 302408kB time=00:00:16.80 bitrate=147460.0kbitframe=  173 fps= 10 q=-1.0
 size=  311408kB time=00:00:17.30 bitrate=147459.9kbitframe=  178 fps= 10
 q=-1.0 size=  320408kB time=00:00:17.85 bitrate=147046.8kbitframe=  183
 fps= 10 q=-1.0 size=  329408kB time=00:00:18.35 bitrate=147058.0kbitframe=
 188 fps= 10 q=-1.0 size=  338408kB time=00:00:18.85
 bitrate=147068.6kbitframe=  193 fps= 10 q=-1.0 size=  347409kB
 time=00:00:19.35 bitrate=147078.6kbitframe=  198 fps= 10 q=-1.0 size=
 356409kB time=00:00:19.85 bitrate=147088.1kbitframe=  203 fps= 10 q=-1.0
 size=  365409kB time=00:00:20.35 bitrate=147097.2kbitframe=  208 fps= 10
 q=-1.0 size=  374409kB time=00:00:20.85 bitrate=147105.8kbitframe=  213
 fps= 10 q=-1.0 size=  383409kB time=00:00:21.35 bitrate=147114.1kbitframe=
 218 fps= 10 q=-1.0 size=  392409kB time=00:00:21.85
 bitrate=147121.9kbitframe=  223 fps= 10 q=-1.0 size=  401409kB
 time=00:00:22.35 bitrate=147129.4kbitframe=  228 fps= 10 q=-1.0 size=
 410409kB time=00:00:22.85 bitrate=147136.6kbitframe=  233 fps= 10 q=-1.0
 size=  419409kB time=00:00:23.35 bitrate=147143.5kbitframe=  238 fps= 10
 q=-1.0 size=  428409kB time=00:00:23.85 bitrate=147150.1kbitframe=  243
 fps= 10 q=-1.0 size=  437409kB time=00:00:24.35 bitrate=147156.4kbitframe=
 248 fps= 10 q=-1.0 size=  446409kB time=00:00:24.85
 bitrate=147162.4kbitframe=  253 fps= 10 q=-1.0 size=  455410kB
 time=00:00:25.35 bitrate=147168.2kbitframe=  258 fps= 10 q=-1.0 size=
 464410kB time=00:00:25.85 bitrate=147173.8kbitframe=  263 fps= 10 q=-1.0
 size=  473410kB time=00:00:26.35 bitrate=147179.2kbitframe=  268 fps= 10
 q=-1.0 size=  482410kB time=00:00:26.85 bitrate=147184.4kbitframe=  274
 fps= 10 q=-1.0 size=  493210kB time=00:00:27.45 bitrate=147190.3kbitframe=
 279 fps= 10 q=-1.0 size=  502210kB time=00:00:27.95
 bitrate=147195.1kbitframe=  284 fps= 10 q=-1.0 size=  511210kB
 time=00:00:28.45 bitrate=147199.7kbitframe=  289 fps= 10 q=-1.0 size=
 520210kB time=00:00:28.95 bitrate=147204.2kbitframe=  294 fps= 10 q=-1.0
 size=  529210kB time=00:00:29.45 bitrate=147208.5kbitframe=  299 fps= 10
 q=-1.0 size=  538210kB time=00:00:30.00 bitrate=146967.3kbitframe=  304
 fps= 10 q=-1.0 size=  547210kB time=00:00:30.50 bitrate=146975.3kbitframe=
 309 fps= 10 q=-1.0 size=  556210kB time=00:00:31.00
 bitrate=146983.1kbitframe=  314 fps= 10 q=-1.0 size=  565210kB
 time=00:00:31.50 bitrate=146990.6kbitframe=  319 fps= 10 q=-1.0 size=
 574211kB time=00:00:32.00 bitrate=146997.9kbitframe=  324 fps= 10 q=-1.0
 size=  583211kB time=00:00:32.50 bitrate=147005.0kbitframe=  329 fps= 10
 q=-1.0 size=  592211kB time=00:00:33.00 bitrate=147011.8kbitframe=  334
 fps= 10 q=-1.0 size=  601211kB time=00:00:33.50 bitrate=147018.5kbitframe=
 339 fps= 10 q=-1.0 size=  610211kB time=00:00:34.00
 bitrate=147024.9kbitframe=  344 fps= 10 q=-1.0 size=  619211kB
 time=00:00:34.50 bitrate=147031.2kbitframe=  349 fps= 10 q=-1.0 size=
 628211kB time=00:00:35.00 bitrate=147037.3kbitframe=  354 fps=9.9 q=-1.0
 size=  637211kB time=00:00:35.50 bitrate=147043.2kbitframe=  362 fps= 10
 q=-1.0 size=  651611kB time=00:00:36.30 bitrate=147052.3kbitframe=  367
 fps= 10 q=-1.0 size=  660611kB time=00:00:36.80 bitrate=147057.8kbitframe=
 372 fps= 10 q=-1.0 size=  669611kB time=00:00:37.30
 bitrate=147063.2kbitframe=  378 fps= 10 q=-1.0 size=  680411kB
 time=00:00:37.90 bitrate=147069.4kbitframe=  383 fps= 10 q=-1.0 size=
 689412kB time=00:00:38.40 bitrate=147074.5kbitframe=  388 fps= 10 q=-1.0
 size=  698412kB time=00:00:38.90 bitrate=147079.4kbitframe=  393 fps= 10
 q=-1.0 size=  707412kB time=00:00:39.40 bitrate=147084.2kbitframe=  398
 fps= 10 q=-1.0 size=  716412kB time=00:00:39.90 bitrate=147088.9kbitframe=
 404 fps=9.7 q=-1.0 size=  727212kB time=00:00:42.55
 bitrate=140007.6kbitst:0 PTS: 815 DTS: 815 < 855 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 817 DTS: 817 < 856 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 819 DTS: 819 < 857 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 821 DTS: 821 < 858 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 823 DTS: 823 < 859 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 825 DTS: 825 < 860 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 827 DTS: 827 < 861 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 829 DTS: 829 < 862 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 831 DTS: 831 < 863 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 834 DTS: 834 < 864 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 836 DTS: 836 < 865 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 838 DTS: 838 < 866 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 840 DTS: 840 < 867 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 842 DTS: 842 < 868 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 844 DTS: 844 < 869 invalid, clipping
 frame=  421 fps= 10 q=-1.0 size=  757812kB time=00:00:43.50
 bitrate=142712.6kbitst:0 PTS: 846 DTS: 846 < 870 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 848 DTS: 848 < 871 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 850 DTS: 850 < 872 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 852 DTS: 852 < 873 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 854 DTS: 854 < 874 invalid, clipping
 frame=  426 fps= 10 q=-1.0 size=  766812kB time=00:00:43.75
 bitrate=143582.3kbitst:0 PTS: 856 DTS: 856 < 875 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 858 DTS: 858 < 876 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 860 DTS: 860 < 877 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 862 DTS: 862 < 878 invalid, clipping
 [avi @ 0x135c540] st:0 PTS: 864 DTS: 864 < 879 invalid, clipping

 Could you help me please. I don't understand what happened.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4352>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


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