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  • FFMpeg SetSar value gets overriden

    8 décembre 2015, par user650922

    I have a video concatenating application where In all videos are converted to the same format .

    I am converting 640*360 video to 1080*720 with setsar=1:1 as

    ffmpeg -i C :\Users\work\Desktop\Esocializ\B.mp4 -s 1080*720 -ac 2 -vf setsar=1 :
    1 -acodec aac -strict experimental B1.mp4.

    However for some reasons its value get overridden.

    Any help would be appreciated .

    Below is my console output :

    C:\Users\work\Downloads\ffmpeg-20151130-git-7b11eea-win64-static\ffmpeg-20151130
    -git-7b11eea-win64-static\bin
    >ffmpeg -i C:\Users\work\Desktop\Esocializ\B.mp4 -s 1080*720 -ac 2 -vf setsar=1:
    1 -acodec aac -strict experimental B1.mp4
    ffmpeg version N-76957-g7b11eea Copyright (c) 2000-2015 the FFmpeg developers
     built with gcc 5.2.0 (GCC)
     configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
    enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
    ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
    le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
    able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
    ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
    --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
    e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --
    enable-lzma --enable-decklink --enable-zlib
     libavutil      55.  9.100 / 55.  9.100
     libavcodec     57. 16.101 / 57. 16.101
     libavformat    57. 19.100 / 57. 19.100
     libavdevice    57.  0.100 / 57.  0.100
     libavfilter     6. 17.100 /  6. 17.100
     libswscale      4.  0.100 /  4.  0.100
     libswresample   2.  0.101 /  2.  0.101
     libpostproc    54.  0.100 / 54.  0.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\work\Desktop\Esocializ\B.mp4':

     Metadata:
       major_brand     : mp42
       minor_version   : 0
       compatible_brands: isommp42
       creation_time   : 2015-02-11 06:48:50
     Duration: 00:00:35.04, start: 0.000000, bitrate: 676 kb/s
       Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yu
    v420p, 640x360 [SAR 1:1 DAR 16:9], 577 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc (def
    ault)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, flt
    p, 95 kb/s (default)
       Metadata:
         creation_time   : 2015-02-11 06:48:50
         handler_name    : IsoMedia File Produced by Google, 5-11-2011
    [Parsed_setsar_0 @ 000000f8a4c8bf20] num:den syntax is deprecated, please use nu
    m/den or named options instead
    [libx264 @ 000000f8a4919400] using SAR=32/27
    [libx264 @ 000000f8a4919400] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    [libx264 @ 000000f8a4919400] profile High, level 3.1
    [libx264 @ 000000f8a4919400] 264 - core 148 r2638 7599210 - H.264/MPEG-4 AVC cod
    ec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 r
    ef=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed
    _ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pski
    p=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 dec
    imate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b
    _adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=
    25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.
    60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to 'B1.mp4':
     Metadata:
       major_brand     : mp42
       minor_version   : 0
       compatible_brands: isommp42
       encoder         : Lavf57.19.100
       Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1
    080x720 [SAR 32:27 DAR 16:9], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
       Metadata:
         handler_name    : VideoHandler
         encoder         : Lavc57.16.101 libx264
       Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, flt
    p, 128 kb/s (default)
       Metadata:
         creation_time   : 2015-02-11 06:48:50
         handler_name    : IsoMedia File Produced by Google, 5-11-2011
         encoder         : Lavc57.16.101 aac
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
     Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    Press [q] to stop, [?] for help
    frame=   64 fps=0.0 q=29.0 size=      40kB time=00:00:01.92 bitrate= 168.9kbits/
    frame=  118 fps=115 q=29.0 size=     297kB time=00:00:03.87 bitrate= 626.4kbits/
    frame=  166 fps=109 q=29.0 size=     589kB time=00:00:05.34 bitrate= 904.1kbits/
    frame=  212 fps=104 q=29.0 size=     892kB time=00:00:06.80 bitrate=1074.1kbits/
    frame=  250 fps= 98 q=29.0 size=    1201kB time=00:00:08.26 bitrate=1190.0kbits/
    frame=  293 fps= 96 q=29.0 size=    1565kB time=00:00:09.72 bitrate=1318.0kbits/
    frame=  335 fps= 94 q=29.0 size=    1897kB time=00:00:11.19 bitrate=1388.7kbits/
    frame=  374 fps= 92 q=29.0 size=    2227kB time=00:00:12.56 bitrate=1452.5kbits/
    frame=  418 fps= 91 q=29.0 size=    2623kB time=00:00:13.93 bitrate=1542.3kbits/
    frame=  462 fps= 91 q=29.0 size=    2994kB time=00:00:15.11 bitrate=1622.5kbits/
    frame=  499 fps= 89 q=29.0 size=    3306kB time=00:00:16.55 bitrate=1635.7kbits/
    frame=  539 fps= 88 q=29.0 size=    3591kB time=00:00:18.01 bitrate=1632.5kbits/
    frame=  579 fps= 88 q=29.0 size=    3886kB time=00:00:19.27 bitrate=1651.9kbits/
    frame=  623 fps= 88 q=29.0 size=    4184kB time=00:00:20.48 bitrate=1673.4kbits/
    frame=  660 fps= 87 q=29.0 size=    4497kB time=00:00:21.91 bitrate=1680.8kbits/
    frame=  696 fps= 86 q=29.0 size=    4801kB time=00:00:23.28 bitrate=1688.8kbits/
    frame=  742 fps= 86 q=29.0 size=    5119kB time=00:00:24.84 bitrate=1687.9kbits/
    frame=  788 fps= 86 q=29.0 size=    5439kB time=00:00:26.30 bitrate=1693.7kbits/
    frame=  831 fps= 86 q=29.0 size=    5736kB time=00:00:27.77 bitrate=1692.2kbits/
    frame=  878 fps= 86 q=29.0 size=    6041kB time=00:00:29.23 bitrate=1692.7kbits/
    frame=  930 fps= 87 q=29.0 size=    6325kB time=00:00:31.18 bitrate=1661.6kbits/
    frame=  989 fps= 88 q=29.0 size=    6551kB time=00:00:32.99 bitrate=1626.4kbits/
    frame= 1043 fps= 89 q=29.0 size=    6786kB time=00:00:34.64 bitrate=1604.5kbits/
    frame= 1051 fps= 86 q=-1.0 Lsize=    7172kB time=00:00:35.03 bitrate=1676.7kbits
    /s
    video:6600kB audio:541kB subtitle:0kB other streams:0kB global headers:0kB muxin
    g overhead: 0.433214%
    [libx264 @ 000000f8a4919400] frame I:7     Avg QP:21.73  size: 19053
    [libx264 @ 000000f8a4919400] frame P:1006  Avg QP:26.11  size:  6523
    [libx264 @ 000000f8a4919400] frame B:38    Avg QP:27.27  size:  1616
    [libx264 @ 000000f8a4919400] consecutive B-frames: 93.7%  4.2%  0.6%  1.5%
    [libx264 @ 000000f8a4919400] mb I  I16..4: 10.1% 82.1%  7.8%
    [libx264 @ 000000f8a4919400] mb P  I16..4:  3.3%  5.4%  0.6%  P16..4: 22.7%  7.4
    %  2.4%  0.0%  0.0%    skip:58.2%
    [libx264 @ 000000f8a4919400] mb B  I16..4:  0.4%  0.4%  0.0%  B16..8: 19.6%  2.1
    %  0.3%  direct: 0.4%  skip:76.9%  L0:45.9% L1:48.7% BI: 5.4%
    [libx264 @ 000000f8a4919400] 8x8 transform intra:59.5% inter:77.2%
    [libx264 @ 000000f8a4919400] coded y,uvDC,uvAC intra: 34.4% 45.3% 13.7% inter: 9
    .7% 10.1% 0.3%
    [libx264 @ 000000f8a4919400] i16 v,h,dc,p: 36% 50%  3% 11%
    [libx264 @ 000000f8a4919400] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 25% 26%  3%  4%
    5%  4%  4%  4%
    [libx264 @ 000000f8a4919400] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 29% 17%  2%  4%
    5%  4%  3%  2%
    [libx264 @ 000000f8a4919400] i8c dc,h,v,p: 51% 25% 18%  6%
    [libx264 @ 000000f8a4919400] Weighted P-Frames: Y:0.5% UV:0.4%
    [libx264 @ 000000f8a4919400] ref P L0: 81.7% 10.7%  5.9%  1.7%  0.0%
    [libx264 @ 000000f8a4919400] ref B L0: 92.3%  7.2%  0.5%
    [libx264 @ 000000f8a4919400] ref B L1: 98.9%  1.1%
    [libx264 @ 000000f8a4919400] kb/s:1543.06
    [aac @ 000000f8a491dec0] Qavg: 686.824

    C:\Users\work\Downloads\ffmpeg-20151130-git-7b11eea-win64-static\ffmpeg-20151130
    -git-7b11eea-win64-static\bin
    >ffmpeg -i B1.mp4
    ffmpeg version N-76957-g7b11eea Copyright (c) 2000-2015 the FFmpeg developers
     built with gcc 5.2.0 (GCC)
     configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
    enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
    ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
    le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
    able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
    ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
    --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
    e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --
    enable-lzma --enable-decklink --enable-zlib
     libavutil      55.  9.100 / 55.  9.100
     libavcodec     57. 16.101 / 57. 16.101
     libavformat    57. 19.100 / 57. 19.100
     libavdevice    57.  0.100 / 57.  0.100
     libavfilter     6. 17.100 /  6. 17.100
     libswscale      4.  0.100 /  4.  0.100
     libswresample   2.  0.101 /  2.  0.101
     libpostproc    54.  0.100 / 54.  0.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'B1.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf57.19.100
     Duration: 00:00:35.06, start: 0.023220, bitrate: 1675 kb/s
       Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1080x720
    [SAR 32:27 DAR 16:9], 1543 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, flt
    p, 126 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    At least one output file must be specified

    C:\Users\work\Downloads\ffmpeg-20151130-git-7b11eea-win64-static\ffmpeg-20151130
    -git-7b11eea-win64-static\bin
    >
  • video after ffmpeg command conversion is not playing on windows

    10 décembre 2015, par Hemant Kumar

    I am stuck at a very weird and complex problem, hoping if anyone know the solution :

    I am converting user uploaded video using ffmpeg command on server and it was working fine as well. Today I found that if a video is recorded by a webcam from windows, is playing well in linux as well as on windows where as if user is creating a video by webcam from linux, is playing only on linux (any browser). On window it’s screen either show loading icon or black screen while audio is working fine.

    I am using following codec :

    ['-strict', '-2', '-preset slow', '-maxrate 500k', '-bufsize 1000k', vfOption, '-threads 0', '-ab 64k', '-movflags faststart','-vf scale=-1:480', '-metadata:s:v:0 rotate=0', '-vcodec libx264']

    I work on linux and using html5 player on my website. I am converting video in mp4 format.

    Input :

    ffmpeg -i /<server path="path">/stream_FE2AF05B-E630-1F7B-390B-37325B31B362.flv -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ' -threads 0 -ab 64k -s 640x480 -movflags faststart -metadata:s:v:0 rotate=0 /<server path="path">/testing.mp4
    </server></server>

    Output :

    ffmpeg version 2.2.5 Copyright (c) 2000-2014 the FFmpeg developers
     built on Aug  1 2014 09:24:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
     configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libtheora --enable-libx264 --enable-libvpx --enable-libmp3lame
     libavutil      52. 66.100 / 52. 66.100
     libavcodec     55. 52.102 / 55. 52.102
     libavformat    55. 33.100 / 55. 33.100
     libavdevice    55. 10.100 / 55. 10.100
     libavfilter     4.  2.100 /  4.  2.100
     libswscale      2.  5.102 /  2.  5.102
     libswresample   0. 18.100 /  0. 18.100
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, flv, from '/<server path="path">/stream_FE2AF05B-E630-1F7B-390B-37325B31B362.flv':
     Metadata:
       canSeekToEnd    : true
     Duration: 00:00:04.04, start: 0.000000, bitrate: 636 kb/s
       Stream #0:0: Video: flv1, yuv420p, 640x480, 1k tbr, 1k tbn, 1k tbc
       Stream #0:1: Audio: nellymoser, 44100 Hz, mono, flt
    [libx264 @ 0x23c5340] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    [libx264 @ 0x23c5340] profile High, level 5.2
    [libx264 @ 0x23c5340] 264 - core 142 r2453 ea0ca51 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=24 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to '/<server path="path">/testing.mp4':
     Metadata:
       canSeekToEnd    : true
       encoder         : Lavf55.33.100
       Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480, q=-1--1, 500 kb/s, 16k tbn, 1k tbc
       Metadata:
         rotate          : 0
       Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, fltp, 64 kb/s
    Stream mapping:
     Stream #0:0 -> #0:0 (flv -> libx264)
     Stream #0:1 -> #0:1 (nellymoser -> aac)
    Press [q] to stop, [?] for help
    [mp4 @ 0x23c0200] Starting second pass: moving the moov atom to the beginning of the file2 drop=0    
    frame= 4020 fps=706 q=-1.0 Lsize=     355kB time=00:00:04.08 bitrate= 712.0kbits/s dup=3931 drop=0    
    video:271kB audio:32kB subtitle:0 data:0 global headers:0kB muxing overhead 16.957901%
    [libx264 @ 0x23c5340] frame I:17    Avg QP:27.55  size:  7119
    [libx264 @ 0x23c5340] frame P:1013  Avg QP:25.37  size:    88
    [libx264 @ 0x23c5340] frame B:2990  Avg QP:27.32  size:    22
    [libx264 @ 0x23c5340] consecutive B-frames:  0.8%  0.0%  0.1% 99.1%
    [libx264 @ 0x23c5340] mb I  I16..4: 42.0% 55.1%  2.9%
    [libx264 @ 0x23c5340] mb P  I16..4:  0.3%  0.4%  0.0%  P16..4:  0.6%  0.1%  0.0%  0.0%  0.0%    skip:98.6%
    [libx264 @ 0x23c5340] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.2%  0.0%  0.0%  direct: 0.0%  skip:99.8%  L0:35.7% L1:64.3% BI: 0.0%
    [libx264 @ 0x23c5340] 8x8 transform intra:55.0% inter:84.5%
    [libx264 @ 0x23c5340] direct mvs  spatial:87.6% temporal:12.4%
    [libx264 @ 0x23c5340] coded y,uvDC,uvAC intra: 33.4% 51.9% 0.7% inter: 0.0% 0.1% 0.0%
    [libx264 @ 0x23c5340] i16 v,h,dc,p: 26% 54% 15%  5%
    [libx264 @ 0x23c5340] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 16% 53%  3%  1%  2%  2%  3%  3%
    [libx264 @ 0x23c5340] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 20% 13% 14%  5%  7%  7% 11%  8%
    [libx264 @ 0x23c5340] i8c dc,h,v,p: 43% 31% 23%  3%
    [libx264 @ 0x23c5340] Weighted P-Frames: Y:0.0% UV:0.0%
    [libx264 @ 0x23c5340] ref P L0: 80.9%  9.0%  6.9%  2.6%  0.7%
    [libx264 @ 0x23c5340] ref B L0: 89.4%  8.6%  1.8%  0.2%
    [libx264 @ 0x23c5340] ref B L1: 91.0%  9.0%
    [libx264 @ 0x23c5340] kb/s:551.72
    </server></server>

    Outout from file recorded on window :

    Input :

    ffmpeg -i /<server path="path">/stream_window.flv -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ' -threads 0 -ab 64k -s 640x480 -movflags faststart -metadata:s:v:0 rotate=0 /<server path="path">/testing_1.mp4
    </server></server>

    Output :

    ffmpeg version 2.2.5 Copyright (c) 2000-2014 the FFmpeg developers
     built on Aug  1 2014 09:24:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
     configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libtheora --enable-libx264 --enable-libvpx --enable-libmp3lame
     libavutil      52. 66.100 / 52. 66.100
     libavcodec     55. 52.102 / 55. 52.102
     libavformat    55. 33.100 / 55. 33.100
     libavdevice    55. 10.100 / 55. 10.100
     libavfilter     4.  2.100 /  4.  2.100
     libswscale      2.  5.102 /  2.  5.102
     libswresample   0. 18.100 /  0. 18.100
     libpostproc    52.  3.100 / 52.  3.100
    Input #0, flv, from '/<server path="path">/stream_window.flv':
     Metadata:
       canSeekToEnd    : true
     Duration: 00:00:09.22, start: 0.000000, bitrate: 420 kb/s
       Stream #0:0: Video: flv1, yuv420p, 640x480, 1k tbr, 1k tbn, 1k tbc
       Stream #0:1: Audio: nellymoser, 44100 Hz, mono, flt
    [libx264 @ 0x1e09fc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    [libx264 @ 0x1e09fc0] profile High, level 5.2
    [libx264 @ 0x1e09fc0] 264 - core 142 r2453 ea0ca51 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=24 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
    Output #0, mp4, to '/<server path="path">/testing_1.mp4':
     Metadata:
       canSeekToEnd    : true
       encoder         : Lavf55.33.100
       Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480, q=-1--1, 500 kb/s, 16k tbn, 1k tbc
       Metadata:
         rotate          : 0
       Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, fltp, 64 kb/s
    Stream mapping:
     Stream #0:0 -> #0:0 (flv -> libx264)
     Stream #0:1 -> #0:1 (nellymoser -> aac)
    Press [q] to stop, [?] for help
    [mp4 @ 0x1e06220] Starting second pass: moving the moov atom to the beginning of the file7 drop=0    
    frame= 8936 fps=703 q=-1.0 Lsize=     771kB time=00:00:09.26 bitrate= 681.5kbits/s dup=8907 drop=0    
    video:585kB audio:73kB subtitle:0 data:0 global headers:0kB muxing overhead 17.106213%
    [libx264 @ 0x1e09fc0] frame I:40    Avg QP:29.54  size:  7449
    [libx264 @ 0x1e09fc0] frame P:2248  Avg QP:30.88  size:    69
    [libx264 @ 0x1e09fc0] frame B:6648  Avg QP:39.17  size:    22
    [libx264 @ 0x1e09fc0] consecutive B-frames:  0.8%  0.0%  0.1% 99.1%
    [libx264 @ 0x1e09fc0] mb I  I16..4: 36.8% 60.7%  2.5%
    [libx264 @ 0x1e09fc0] mb P  I16..4:  0.2%  0.3%  0.0%  P16..4:  0.4%  0.0%  0.0%  0.0%  0.0%    skip:98.9%
    [libx264 @ 0x1e09fc0] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.2%  0.0%  0.0%  direct: 0.0%  skip:99.8%  L0:34.2% L1:65.8% BI: 0.0%
    [libx264 @ 0x1e09fc0] 8x8 transform intra:60.6% inter:87.6%
    [libx264 @ 0x1e09fc0] direct mvs  spatial:72.8% temporal:27.2%
    [libx264 @ 0x1e09fc0] coded y,uvDC,uvAC intra: 36.3% 62.8% 4.7% inter: 0.0% 0.0% 0.0%
    [libx264 @ 0x1e09fc0] i16 v,h,dc,p: 33% 46% 15%  7%
    [libx264 @ 0x1e09fc0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 19% 46%  3%  1%  1%  1%  2%  4%
    [libx264 @ 0x1e09fc0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 17% 14%  9%  4%  4%  5%  5%  7%
    [libx264 @ 0x1e09fc0] i8c dc,h,v,p: 42% 31% 23%  4%
    [libx264 @ 0x1e09fc0] Weighted P-Frames: Y:0.0% UV:0.0%
    [libx264 @ 0x1e09fc0] ref P L0: 82.6%  9.9%  5.2%  1.7%  0.5%
    [libx264 @ 0x1e09fc0] ref B L0: 87.1% 11.0%  1.4%  0.4%
    [libx264 @ 0x1e09fc0] ref B L1: 90.3%  9.7%
    [libx264 @ 0x1e09fc0] kb/s:536.03
    </server></server>

    Can anyone figure what could be the problem ?

    @LordNeckbeard : Please find the command and its output above. Thanks

  • Convert a video to MP4 (H.264/AAC) with ffmpeg

    5 décembre 2015, par user176455

    If I don’t make a mistake, Safari currently need MP4 (H.264/AAC) video encoded for the HTML5 <video></video> element.

    So I tried to convert a video to this format with ffmpeg. However when I enter the shell command ffmpeg -i video.flv video.mp4, the returned error is :

    Seems stream 0 codec frame rate
    differs from container frame rate :
    2000.00 (2000/1) -> 29.92 (359/12) Input #0, flv, from ’video.flv’ :
    Duration : 00:05:01.20, start :
    0.000000, bitrate : 66 kb/s
    Stream #0.0 : Video : h264, yuv420p, 320x240 [PAR 1:1 DAR 4:3], 66 kb/s,
    29.92 tbr, 1k tbn, 2k tbc
    Stream #0.1 : Audio : aac, 22050 Hz, stereo, s16 Output #0, mp4, to
    ’video.mp4’ :
    Stream #0.0 : Video : mpeg4, yuv420p, 320x240 [PAR 1:1 DAR 4:3],
    q=2-31, 200 kb/s, 90k tbn, 29.92 tbc
    Stream #0.1 : Audio : 0x0000, 22050 Hz, stereo, s16, 64 kb/s Stream
    mapping : Stream #0.0 -> #0.0
    Stream #0.1 -> #0.1 Unsupported codec
    for output stream #0.1

    An AAC codec is required but I’m quite newbie with ubuntu and I dont really now how to fix this problem. I’m using Ubuntu 9.10 Karmik Koala (for amd64).

    Thank you very much. :)