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  • Video frame difference with FFMPEG

    27 décembre 2015, par StepTNT

    I need to compute the frame differences between a source video and a compressed one.
    For now I’m using OpenCV with Java, by extracting each frame and doing a simple difference, but it’s quite slow (working a 0.5 fps, meaning that a 500 frames video will take more than 15 mins) so I was thinking to move to FFMPEG.

    FFMPEG feels a lot faster (everything’s done under 1 minute) but it has one big issue that makes the results useless : when compressing the source file, done with FFMPEG too, an extra gray frame is added at the beginning and this fakes the results because different frames are compared.

    This is what I’m doing now (knowing that the extra frame messes it all) :

    ffmpeg -y -i src.avi -i compressed.avi -filter_complex "blend=all_mode=difference,hue=s=0" -c:v libx264 -crf 18 -c:a copy difference.avi

    To fix the frame issue I was trying to remove the first frame by re-encoding the compressed video with this command

    ffmpeg -y -ss 0.02 -i compressed.mpg -an -f mpeg2video compressed-cut.mpg"

    (Note that -ss is 0.02 because it’s a 50 fps video, so I did 1/FPS as suggested here)

    But I get this response

    Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)

    So, finally, the question is : since extracting all the frames and then compute differences with OpenCV is really slow, how can I use FFMPEG to produce a video containing the difference between two sources while keeping in mind that one of them has an extra frame at the beginning ?

    EDIT : I wanted to avoid posting endless console outputs but since you asked for it, here we go.

    1) Encoding

    Input

    ffmpeg -i "720p50_mobcal_ter.avi" -an -f mpeg2video -y "720p50_mobcal_ter.mpg"

    Output

    ffmpeg version N-76684-g1fe82ab Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 5.2.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55.  6.100 / 55.  6.100
    
  libavcodec     57. 15.100 / 57. 15.100
    
  libavformat    57. 14.100 / 57. 14.100
    
  libavdevice    57.  0.100 / 57.  0.100
    
  libavfilter     6. 15.100 /  6. 15.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, avi, from '720p50_mobcal_ter.avi':
    
  Metadata:
    
    encoder         : Lavf57.14.100
    
  Duration: 00:00:10.08, start: 0.000000, bitrate: 552974 kb/s
    
    Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1280x720, 554059 kb/s, SAR 1:1 DAR 16:9, 50 fps, 50 tbr, 50 tbn, 50 tbc
    
Output #0, mpeg2video, to '720p50_mobcal_ter.mpg':
    
  Metadata:
    
    encoder         : Lavf57.14.100
    
    Stream #0:0: Video: mpeg2video, yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 50 fps, 50 tbn, 50 tbc
    
    Metadata:
    
      encoder         : Lavc57.15.100 mpeg2video
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg2video (native))
    
Press [q] to stop, [?] for help
    
frame=   41 fps=0.0 q=31.0 size=     984kB time=00:00:00.78 bitrate=10330.5kbits/frame=   80 fps= 78 q=31.0 size=    1323kB time=00:00:01.56 bitrate=6948.1kbits/frame=  124 fps= 80 q=31.0 size=    1725kB time=00:00:02.44 bitrate=5790.0kbits/frame=  168 fps= 81 q=31.0 size=    2084kB time=00:00:03.32 bitrate=5142.8kbits/frame=  212 fps= 81 q=31.0 size=    2482kB time=00:00:04.20 bitrate=4841.4kbits/frame=  255 fps= 82 q=31.0 size=    2840kB time=00:00:05.06 bitrate=4597.2kbits/frame=  296 fps= 82 q=31.0 size=    3133kB time=00:00:05.88 bitrate=4364.5kbits/frame=  338 fps= 82 q=24.8 size=    3453kB time=00:00:06.72 bitrate=4209.2kbits/frame=  382 fps= 82 q=31.0 size=    3723kB time=00:00:07.60 bitrate=4013.4kbits/frame=  426 fps= 83 q=31.0 size=    4005kB time=00:00:08.48 bitrate=3869.1kbits/frame=  470 fps= 83 q=24.8 size=    4276kB time=00:00:09.36 bitrate=3742.5kbits/frame=  504 fps= 83 q=31.0 Lsize=    4469kB time=00:00:10.06 bitrate=3639.3kbits/s
    
video:4469kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000%

    This adds the extra grey frame at the beginning, it just duplicates the first one

    2) Removing first frame

    Input

    ffmpeg -y -i "720p50_mobcal_ter.mpg" -an -f mpeg2video -vf select=gte(n\,1) "CUT-720p50_mobcal_ter.mpg"

    Output

    ffmpeg version N-76684-g1fe82ab Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 5.2.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55.  6.100 / 55.  6.100
    
  libavcodec     57. 15.100 / 57. 15.100
    
  libavformat    57. 14.100 / 57. 14.100
    
  libavdevice    57.  0.100 / 57.  0.100
    
  libavfilter     6. 15.100 /  6. 15.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, mpegvideo, from '720p50_mobcal_ter.mpg':
    
  Duration: N/A, bitrate: N/A
    
    Stream #0:0: Video: mpeg2video (Main), yuv420p(tv), 1280x720 [SAR 1:1 DAR 16:9], max. 104857 kb/s, 50 fps, 50 tbr, 1200k tbn, 100 tbc
    
Output #0, mpeg2video, to 'CUT-720p50_mobcal_ter.mpg':
    
  Metadata:
    
    encoder         : Lavf57.14.100
    
    Stream #0:0: Video: mpeg2video, yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 200 kb/s, 50 fps, 50 tbn, 50 tbc
    
    Metadata:
    
      encoder         : Lavc57.15.100 mpeg2video
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mpeg2video (native) -> mpeg2video (native))
    
Press [q] to stop, [?] for help
    
frame=  255 fps=0.0 q=31.0 size=    2781kB time=00:00:05.10 bitrate=4467.3kbits/frame=  503 fps=0.0 q=31.0 Lsize=    4415kB time=00:00:10.08 bitrate=3588.5kbits/s
    
video:4415kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000%

    3) Frame difference

    Input

    ffmpeg -y -i "720p50_mobcal_ter.avi" -i "CUT-720p50_mobcal_ter.mpg" -filter_complex "blend=all_mode=difference,hue=s=0" -c:v libx264 -crf 18 -c:a copy "DIFF-720p50_mobcal_ter.mpg"

    Output

    ffmpeg version N-76684-g1fe82ab Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 5.2.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55.  6.100 / 55.  6.100
    
  libavcodec     57. 15.100 / 57. 15.100
    
  libavformat    57. 14.100 / 57. 14.100
    
  libavdevice    57.  0.100 / 57.  0.100
    
  libavfilter     6. 15.100 /  6. 15.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, avi, from '720p50_mobcal_ter.avi':
    
  Metadata:
    
    encoder         : Lavf57.14.100
    
  Duration: 00:00:10.08, start: 0.000000, bitrate: 552974 kb/s
    
    Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 1280x720, 554059 kb/s, SAR 1:1 DAR 16:9, 50 fps, 50 tbr, 50 tbn, 50 tbc
    
Input #1, mpegvideo, from 'CUT-720p50_mobcal_ter.mpg':
    
  Duration: N/A, bitrate: N/A
    
    Stream #1:0: Video: mpeg2video (Main), yuv420p(tv), 1280x720 [SAR 1:1 DAR 16:9], max. 104857 kb/s, 50 fps, 50 tbr, 1200k tbn, 100 tbc
    
[libx264 @ 000002784dbeb980] using SAR=1/1
    
[libx264 @ 000002784dbeb980] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
    
[libx264 @ 000002784dbeb980] profile High, level 3.2
    
[mpeg @ 000002784dbeaf20] VBV buffer size not set, using default size of 130KB
    
If you want the mpeg file to be compliant to some specification
    
Like DVD, VCD or others, make sure you set the correct buffer size
    
Output #0, mpeg, to 'D:\DOWNLOADS\TMP\Video TDI\AVI\DIFF-720p50_mobcal_ter.mpg':
    
  Metadata:
    
    encoder         : Lavf57.14.100
    
    Stream #0:0: Video: h264 (libx264), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 50 fps, 90k tbn, 50 tbc (default)
    
    Metadata:
    
      encoder         : Lavc57.15.100 libx264
    
Stream mapping:
    
  Stream #0:0 (rawvideo) -> blend:top
    
  Stream #1:0 (mpeg2video) -> blend:bottom
    
  hue -> Stream #0:0 (libx264)
    
Press [q] to stop, [?] for help
    
frame=  504 fps= 39 q=-1.0 Lsize=   32182kB time=00:00:10.04 bitrate=26258.5kbits/s
    
video:32061kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.377054%
    
[libx264 @ 000002784dbeb980] frame I:30    Avg QP:19.69  size:149974
    
[libx264 @ 000002784dbeb980] frame P:299   Avg QP:23.28  size: 69423
    
[libx264 @ 000002784dbeb980] frame B:175   Avg QP:24.48  size: 43280
    
[libx264 @ 000002784dbeb980] consecutive B-frames: 30.6% 69.4%  0.0%  0.0%
    
[libx264 @ 000002784dbeb980] mb I  I16..4: 18.3% 51.4% 30.4%
    
[libx264 @ 000002784dbeb980] mb P  I16..4:  0.6%  5.6%  2.4%  P16..4: 35.9% 22.9% 15.6%  0.0%  0.0%    skip:17.0%
    
[libx264 @ 000002784dbeb980] mb B  I16..4:  0.2%  0.5%  0.3%  B16..8: 49.5% 12.4%  5.6%  direct:15.5%  skip:16.1%  L0:47.8% L1:42.1% BI:10.1%
    
[libx264 @ 000002784dbeb980] 8x8 transform intra:57.5% inter:38.5%
    
[libx264 @ 000002784dbeb980] coded y,uvDC,uvAC intra: 90.7% 0.0% 0.0% inter: 50.3% 0.0% 0.0%
    
[libx264 @ 000002784dbeb980] i16 v,h,dc,p: 32% 23% 35% 10%
    
[libx264 @ 000002784dbeb980] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 11% 11% 41%  7%  5%  6%  5%  6%  8%
    
[libx264 @ 000002784dbeb980] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 14% 23%  8%  7%  7%  7%  7%  8%
    
[libx264 @ 000002784dbeb980] i8c dc,h,v,p: 100%  0%  0%  0%
    
[libx264 @ 000002784dbeb980] Weighted P-Frames: Y:33.8% UV:0.0%
    
[libx264 @ 000002784dbeb980] ref P L0: 58.1% 16.3% 14.2%  9.4%  2.0%
    
[libx264 @ 000002784dbeb980] ref B L0: 79.3% 20.7%
    
[libx264 @ 000002784dbeb980] kb/s:26056.02

    The second command made everything work while the second one in the first part didn’t (the one with the -ss option), so I could be quite happy about it but I’m not that sure if FFMPEG duplicates the first frame for every video or if it’s just related to the one I’m using now, so it could be better to start off with a compressed video that has the same frame count of the original one.

    So let’s get to one final question : why does FFMPEG add a duplicated first frame at the beginning of the compressed video and how can I avoid that ?

  • FFMPEG extract h264 video (can't see video)

    28 décembre 2015, par Marco Ronchi

    I’m trying to extract a portion of video from another video with FFMPEG. I use this command line :

    ffmpeg -i C:\Temp\test.avi -ss 00:00:30.0 -c copy -t 00:00:10.0 C:\Temp\out.avi

    and this is the output messages :

    ffmpeg version N-77504-gbaf4c48 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with gcc 5.2.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55. 11.100 / 55. 11.100
    
  libavcodec     57. 20.100 / 57. 20.100
    
  libavformat    57. 20.100 / 57. 20.100
    
  libavdevice    57.  0.100 / 57.  0.100
    
  libavfilter     6. 22.100 /  6. 22.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
[h264 @ 0000024bf533c6c0] illegal aspect ratio
    
[h264 @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[h264 @ 0000024bf533c6c0] missing picture in access unit with size 4382
    
[h264 @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 18 times
    
Input #0, avi, from 'C:\Temp\test.avi':
    
  Metadata:
    
    encoder         : Lavf56.25.101
    
  Duration: 00:01:51.48, start: 0.000000, bitrate: 864 kb/s
    
    Stream #0:0: Video: h264 (Main) (H264 / 0x34363248), yuv420p, 854x480 [SAR 1:1 DAR 427:240], 719 kb/s, 59.94 fps, 29.97 tbr, 59.94 tbn, 59.94 tbc
    
    Stream #0:1: Audio: aac (LC) ([255][0][0][0] / 0x00FF), 44100 Hz, stereo, fltp, 125 kb/s
    
Output #0, avi, to 'C:\Temp\out.avi':
    
  Metadata:
    
    ISFT            : Lavf57.20.100
    
    Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 854x480 [SAR 1:1 DAR 427:240], q=2-31, 719 kb/s, 59.94 fps, 29.97 tbr, 59.94 tbn, 59.94 tbc
    
    Stream #0:1: Audio: aac ([255][0][0][0] / 0x00FF), 44100 Hz, stereo, 125 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
  Stream #0:1 -> #0:1 (copy)
    
Press [q] to stop, [?] for help
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 11 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 22411
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 25 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 41687
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 16 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 44957
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 20 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 63683
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 39 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 39072
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 32 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 31894
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 37 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 44447
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 19 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 29614
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 20 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 33664
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 20 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 26399
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 23 times
    
frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 44 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 58844
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 3 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 72293
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 92 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 40496
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 10 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 47336
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 19 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 46490
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 45 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 59161
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 43 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 30588
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 6 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 35601
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 4 times
    
frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 21 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 42018
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 28 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 55838
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 25 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 17035
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 21226
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 17 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 44613
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 48 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 29342
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 8 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 30664
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 32 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 67394
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 57 times
    
frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 4 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 35793
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 7 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 38809
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 12 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 63104
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 35 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 39476
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 30 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 27844
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 2 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 31435
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 20 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 40483
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 29 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 29305
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 12 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 34270
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 25 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 74136
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 53 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 63513
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 8 times
    
frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 29 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 45954
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 3 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 52952
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 20 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 78552
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 39 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 33986
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 27 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 32874
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 70 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 63801
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 12 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 78008
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 44 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 21138
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 20 times
    
frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 17 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 63108
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 8 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 57850
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 43 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 20832
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 37 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 32282
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 12 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 38413
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 46 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 24824
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 24 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 31691
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 57 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 25181
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 14 times
    
frame=    0 fps=0.0 q=-1.0 size=      10kB time=00:00:02.02 bitrate=  39.7kbits/[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 16 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 11491
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 79 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 65374
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 74 times
    
[NULL @ 0000024bf533c6c0] AVC: nal size 100779136
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 18231
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 1 times
    
[NULL @ 0000024bf533c6c0] illegal aspect ratio
    
[NULL @ 0000024bf533c6c0] AVC: nal size 1296048104
    
[NULL @ 0000024bf533c6c0] missing picture in access unit with size 17750
    
[NULL @ 0000024bf533c6c0] illegal reordering_of_pic_nums_idc 13
    
    Last message repeated 62 times
    
frame=    0 fps=0.0 q=-1.0 Lsize=      43kB time=00:00:02.02 bitrate= 173.8kbits/s speed= 0.6x
    
video:0kB audio:31kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 38.359665%

    The audio was extracted correctly, but I can’t see video (it’s all black). Can someone help me ?

    Thanks in advance

  • Why Recode Video FFMPEG on windows Allway Error ?

    9 janvier 2012, par ALexF

    i download ffmpeg in : http://ramiro.arrozcru.org/ffmpeg-vfwcap-noflip.7z

    and run it with commanline : ffmpeg -r 25 -f vfwcap -i 0 output.avi

    but allway error is

    ffmpeg -r 25 -f vfwcap -i 0 output.avi
    FFmpeg version SVN-r22915, Copyright (c) 2000-2010 the FFmpeg developers
    built on Apr 20 2010 00:09:08 with gcc 4.4.2
    configuration : —enable-memalign-hack —cross-prefix=i686-mingw32- —cc=ccach
    - i686-mingw32-gcc —arch=i686 —target-os=mingw32 —enable-gpl —enable-libx264
    — enable-pthreads
    libavutil 50.14. 0 / 50.14. 0
    libavcodec 52.66. 0 / 52.66. 0
    libavformat 52.61. 0 / 52.61. 0
    libavdevice 52. 2. 0 / 52. 2. 0
    libswscale 0.10. 0 / 0.10. 0
    [vfwcap @ 012eba60]Could not connect to device.
    0 : Error number -19 occurred

    Link Image :http://nh8.upanh.com/b2.s8.d2/9b09371490590cdabef397ea7705b304_39810848.programmanager20120109110016.png

    why it error, can you fix my commnaline

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