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Sur d’autres sites (5035)

  • .mov conversion to .mp4 using ffmpeg doesn't convert the entire video

    5 février 2013, par user504879

    I am trying to convert a mov file which I got from saving my powerpoint presentation to a movie file. However only a part of the presentation is converted not the entire one and also running qt-start doesn't make the exported mp4 to stream over rtmp. Is there something which I am missing ?

    I am attaching the output which i get when I am trying to convert the file using ffmpeg

    $ export LD_LIBRARY_PATH=/usr/local/lib; /usr/local/bin/ffmpeg -y -i /data/tmp/vialogues_prez.mov -r 20 -g 40 -acodec libfaac -ar 44100  -ab 96k -vcodec libx264 -s 640x480 -vpre medium /data/videos/vialogues_prez.mp4

    FFmpeg version 0.6.1, Copyright (c) 2000-2010 the FFmpeg developers
     built on Feb 19 2011 19:03:56 with gcc 4.4.5
     configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-x11grab
     libavutil     50.15. 1 / 50.15. 1
     libavcodec    52.72. 2 / 52.72. 2
     libavformat   52.64. 2 / 52.64. 2
     libavdevice   52. 2. 0 / 52. 2. 0
     libswscale     0.11. 0 /  0.11. 0
     libpostproc   51. 2. 0 / 51. 2. 0
    [mov,mp4,m4a,3gp,3g2,mj2 @ 0x186f460]max_analyze_duration reached

    Seems stream 0 codec frame rate differs from container frame rate: 600.00 (600/1) -> 0.08 (1/12)
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/data/tmp/vialogues_prez.mov':
     Metadata:
       major_brand     : qt  
       minor_version   : 537199360
       compatible_brands: qt  
       comment         : Microsoft PowerPoint Movie
       comment-eng     : Microsoft PowerPoint Movie
     Duration: 00:04:47.00, start: 0.000000, bitrate: 22 kb/s
       Stream #0.0(eng): Video: qtrle, bgra, 640x480, 21 kb/s, 0.01 fps, 0.08 tbr, 600 tbn, 600 tbc
       Stream #0.1(eng): Video: 0x0000, 600 tbr, 600 tbn, 600 tbc
       Stream #0.2(eng): Video: 0x0000, 600 tbr, 600 tbn, 600 tbc
    [libx264 @ 0x1873b50]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.1 Cache64
    [libx264 @ 0x1873b50]profile High, level 3.0
    [libx264 @ 0x1873b50]264 - core 114 - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - http://www.videolan.org/x264.html - options: cabac=1 ref=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_pskip=1 chroma_qp_offset=-2 threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=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=abr mbtree=1 bitrate=200 ratetol=20.0 qcomp=0.60 qpmin=10 qpmax=51 qpstep=4 ip_ratio=1.41 aq=1:1.00
    Output #0, mp4, to '/data/videos/vialogues_prez.mp4':
     Metadata:
       encoder         : Lavf52.64.2
       Stream #0.0(eng): Video: libx264, yuv420p, 640x480, q=10-51, 200 kb/s, 20 tbn, 20 tbc
    Stream mapping:
     Stream #0.0 -> #0.0
    Press [q] to stop encoding
    frame=    4 fps=  0 q=32766.0 Lsize=      50kB time=45.05 bitrate=   9.0kbits/s    
    video:49kB audio:0kB global headers:0kB muxing overhead 1.740573%
    [libx264 @ 0x1873b50]frame I:1     Avg QP:32.73  size:  8427
    [libx264 @ 0x1873b50]frame P:3     Avg QP:20.68  size: 13640
    [libx264 @ 0x1873b50]mb I  I16..4: 60.8% 14.6% 24.7%
    [libx264 @ 0x1873b50]mb P  I16..4: 28.7%  7.2% 15.4%  P16..4:  2.0%  1.3%  1.4%  0.0%  0.0%    skip:43.9%
    [libx264 @ 0x1873b50]final ratefactor: -16.67
    [libx264 @ 0x1873b50]8x8 transform intra:14.2% inter:5.0%
    [libx264 @ 0x1873b50]coded y,uvDC,uvAC intra: 25.2% 18.4% 13.0% inter: 5.3% 7.4% 7.2%
    [libx264 @ 0x1873b50]i16 v,h,dc,p: 63% 34%  1%  2%
    [libx264 @ 0x1873b50]i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 41% 31%  1%  1%  1%  1%  1%  4%
    [libx264 @ 0x1873b50]i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 33% 19%  2%  3%  3%  4%  3%  4%
    [libx264 @ 0x1873b50]i8c dc,h,v,p: 75% 20%  4%  1%
    [libx264 @ 0x1873b50]Weighted P-Frames: Y:0.0% UV:0.0%
    [libx264 @ 0x1873b50]ref P L0: 57.0% 12.2% 26.2%  4.7%
    [libx264 @ 0x1873b50]kb/s:1.14

    any help is appreciated.

  • Ut Video decoder

    16 octobre 2011, par Kostya Shishkov

    Ut Video decoder

  • ffmpeg timelapse settings to slow down video

    23 octobre 2011, par Steve