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    MediaSPIP automatically converts uploaded files to internet-compatible formats.
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Sur d’autres sites (4002)

  • ffmpeg does not copy custom metadata

    20 juin 2015, par e110c0

    I’m trying to fix some videos made with an iDevice. The videos have a rotation in the metadata which is only understood by Apple and its software but noone else. Fixing this is quite simple, but I also would like to keep the other metadata in the files like the geolocation.

    I tried a couple of versions, all with the same result, e.g. :

    ffmpeg -i input.mov -vf vflip,hflip -map_metadata 0 -metadata:s:v:0 rotate=0  -acodec copy output.mp4

    This should work, it already gives the correct preview of metadata :

    ffmpeg version 1.1.2 Copyright (c) 2000-2013 the FFmpeg developers
    built on Feb  8 2013 23:55:22 with Apple clang version 4.0 (tags/Apple/clang-421.0.60) (based on LLVM 3.1svn)
    configuration: --prefix=/usr/local/Cellar/ffmpeg/1.1.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --cc=cc --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
    libavutil      52. 13.100 / 52. 13.100
    libavcodec     54. 86.100 / 54. 86.100
    libavformat    54. 59.106 / 54. 59.106
    libavdevice    54.  3.102 / 54.  3.102
    libavfilter     3. 32.100 /  3. 32.100
    libswscale      2.  1.103 /  2.  1.103
    libswresample   0. 17.102 /  0. 17.102
    libpostproc    52.  2.100 / 52.  2.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2013-02-17 00.39.36.mov':
     Metadata:
       major_brand     : qt  
       minor_version   : 0
       compatible_brands: qt  
       creation_time   : 2013-02-16 23:39:25
       model           : iPhone 5
       model-deu       : iPhone 5
       encoder         : 6.1
       encoder-deu     : 6.1
       date            : 2013-02-17T00:39:25+0100
       date-deu        : 2013-02-17T00:39:25+0100
       location        : +48.2683+007.7205+172.710/
       location-deu    : +48.2683+007.7205+172.710/
       make            : Apple
       make-deu        : Apple
     Duration: 00:00:09.67, start: 0.000000, bitrate: 16764 kb/s
       Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080, 16696 kb/s, 24 fps, 24 tbr, 600 tbn, 1200 tbc
       Metadata:
         rotate          : 180
         creation_time   : 2013-02-16 23:39:25
         handler_name    : Core Media Data Handler
       Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 61 kb/s
       Metadata:
         creation_time   : 2013-02-16 23:39:25
         handler_name    : Core Media Data Handler
    w:1920 h:1080 pixfmt:yuv420p tb:1/600 fr:24/1 sar:0/1 sws_param:flags=2
    [libx264 @ 0x7fc248829a00] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
    [libx264 @ 0x7fc248829a00] profile High, level 4.0
    [libx264 @ 0x7fc248829a00] 264 - core 125 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - 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=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=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=24 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 'output.mp4':
    Metadata:
     major_brand     : qt  
     minor_version   : 0
     compatible_brands: qt  
     creation_time   : 2013-02-16 23:39:25
     model           : iPhone 5
     model-deu       : iPhone 5
     encoder-deu     : 6.1
     date            : 2013-02-17T00:39:25+0100
     date-deu        : 2013-02-17T00:39:25+0100
     location        : +48.2683+007.7205+172.710/
     location-deu    : +48.2683+007.7205+172.710/
     make            : Apple
     make-deu        : Apple
     encoder         : Lavf54.59.106
    Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 1920x1080, q=-1--1, 12288 tbn, 24 tbc
    Metadata:
     handler_name    : Core Media Data Handler
     creation_time   : 2013-02-16 23:39:25
     rotate          : 0
    Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, 61 kb/s
    Metadata:
     creation_time   : 2013-02-16 23:39:25
     handler_name    : Core Media Data Handler
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 -> libx264)
     Stream #0:1 -> #0:1 (copy)

    But the resulting file keeps only some of these metadata tags :

    ffmpeg -i output.mp4

    shows :

    fmpeg version 1.1.2 Copyright (c) 2000-2013 the FFmpeg developers
     built on Feb  8 2013 23:55:22 with Apple clang version 4.0 (tags/Apple/clang-421.0.60) (based on LLVM 3.1svn)
    configuration: --prefix=/usr/local/Cellar/ffmpeg/1.1.2 --enable-shared --enable-pthreads -  -enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --cc=cc --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
    libavutil      52. 13.100 / 52. 13.100
    libavcodec     54. 86.100 / 54. 86.100
    libavformat    54. 59.106 / 54. 59.106
    libavdevice    54.  3.102 / 54.  3.102
    libavfilter     3. 32.100 /  3. 32.100
    libswscale      2.  1.103 /  2.  1.103
    libswresample   0. 17.102 /  0. 17.102
    libpostproc    52.  2.100 / 52.  2.100
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
    Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2mp41
     creation_time   : 2013-02-16 23:39:25
     date            : 2013-02-17T00:39:25+0100
     encoder         : Lavf54.59.106
    Duration: 00:00:09.67, start: 0.000000, bitrate: 3286 kb/s
     Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 3219 kb/s, 24 fps, 24 tbr, 12288 tbn, 24 tbc
     Metadata:
       creation_time   : 2013-02-16 23:39:25
       handler_name    : VideoHandler
     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 61 kb/s
     Metadata:
       creation_time   : 2013-02-16 23:39:25
       handler_name    : SoundHandler

    I also tried to add the one tag I’m interested in by hand with

    -metadata:g location=+48.2683+007.7205+172.710/

    with no change in the result.

    Output as .mov doesn’t change anything, neither.

    Is there any trick to add non-standard metadata ? How do I get the location back in there ?

    Thanks in advance to anyone who can give some insight on this.

  • compile ffmpeg with alsa support on Ubuntu 12.04 amd64

    6 octobre 2015, par user1129812

    I had followed the ffmpeg compile instructions described in "CompilationGuide/Ubuntu – FFmpeg" and had successfully compiled a version of ffmpeg on my Ubuntu 12.04 amd64 system. This compiled version of ffmpeg works ok for my normal usage. However, recently, I want to grab my Ubuntu desktop with sound from applications, I follow the instructions in "HOWTO : Proper Screencasting on Linux" and I use the command :

    ~/bin/ffmpeg -f alsa -ac 2 -i hw:0 -f x11grab -r 30 -s 1024x768 -i :0.0 -acodec pcm_s16le -vcodec libx264 -preset ultrafast -crf 0 -threads 0 out_video_test.mkv

    to want to grab my Ubuntu desktop with sound from application. The terminal output from this command is :

    ffmpeg version 2.4.git Copyright (c) 2000-2014 the FFmpeg developers
     built on Oct 13 2014 17:38:17 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
     configuration: --prefix=/home/tkwinfo/ffmpeg_build --extra-cflags=-I/home/tkwinfo/ffmpeg_build/include --extra-ldflags=-L/home/tkwinfo/ffmpeg_build/lib --bindir=/home/tkwinfo/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-x11grab
     libavutil      54. 10.100 / 54. 10.100
     libavcodec     56.  4.101 / 56.  4.101
     libavformat    56.  9.100 / 56.  9.100
     libavdevice    56.  1.100 / 56.  1.100
     libavfilter     5.  1.103 /  5.  1.103
     libswscale      3.  1.101 /  3.  1.101
     libswresample   1.  1.100 /  1.  1.100
     libpostproc    53.  1.100 / 53.  1.100
    Guessed Channel Layout for  Input Stream #0.0 : stereo
    Input #0, alsa, from 'hw:0':
     Duration: N/A, start: 1444111224.703996, bitrate: 1536 kb/s
       Stream #0:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
    [x11grab @ 0x3971360] device: :0.0 -> display: :0.0 x: 0 y: 0 width: 1024 height: 768
    [x11grab @ 0x3971360] shared memory extension found
    Input #1, x11grab, from ':0.0':
     Duration: N/A, start: 1444111224.739397, bitrate: 754974 kb/s
       Stream #1:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1024x768, 754974 kb/s, 30 tbr, 1000k tbn, 30 tbc
    No pixel format specified, yuv444p for H.264 encoding chosen.
    Use -pix_fmt yuv420p for compatibility with outdated media players.
    [libx264 @ 0x39941e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    [libx264 @ 0x39941e0] profile High 4:4:4 Predictive, level 3.1, 4:4:4 8-bit
    [libx264 @ 0x39941e0] 64 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=0 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=0 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=cqp mbtree=0 qp=0
    Output #0, matroska, to 'out_video_test.mkv':
     Metadata:
       encoder         : Lavf56.9.100
       Stream #0:0: Video: h264 (libx264) (H264 / 0x34363248), yuv444p, 1024x768, q=-1--1, 30 fps, 1k tbn, 30 tbc
       Metadata:
         encoder         : Lavc56.4.101 libx264
       Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, s16, 1536 kb/s
       Metadata:
         encoder         : Lavc56.4.101 pcm_s16le
    Stream mapping:
     Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
     Stream #0:0 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
    Press [q] to stop, [?] for help
    frame=   16 fps=0.0 q=0.0 size=    1370kB time=00:00:00.54 bitrate=20438.5kbits/
    frame=   31 fps= 31 q=0.0 size=   etc, etc

    The video part is grabbed ok but there is no sound in the output video. I had followed the procedures described in the FAQ in "HOWTO : Proper Screencasting on Linux" to use "pavucontrol" to set "capture application audio instead of mic". However, I still could only grab video from my Ubuntu desktop.

    I find that I have installed libasound2-dev in my Ubuntu 12.04 amd64 system. The "libasound.so" file is in /usr/lib/x86_64-linux-gnu while the "asoundlib.h" file is in /usr/include/alsa. The config options when I compile ffmpeg is :

    PATH="$PATH:$HOME/bin" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure
     --prefix="$HOME/ffmpeg_build"
     --extra-cflags="-I$HOME/ffmpeg_build/include"
     --extra-ldflags="-L$HOME/ffmpeg_build/lib"
     --bindir="$HOME/bin"
     --enable-gpl
     --enable-libass
     --enable-libfdk-aac
     --enable-libfreetype
     --enable-libmp3lame
     --enable-libopus
     --enable-libtheora
     --enable-libvorbis
     --enable-libvpx
     --enable-libx264
     --enable-nonfree
     --enable-x11grab

    I want to know that how do I find out whether I have compiled the alsa support into my ffmpeg ? Do I need to add the ffmpeg config option

    --extra-libs=-lasound

    to get alsa support when compiling ffmpeg ? (as described in some discussions in the internet) If yes, how do I specify the paths of "libasound.so" and "asoundlib.h" so that they would be used in the ffmpeg compilation process ?

    Moreover, if alsa support is already compiled in my ffmpeg, what else should I try so as to be able to grab sound from application using my ffmpeg ?

    Any idea. Thanks for any suggestion.

  • ffmpeg doesn't correctly work with mkv

    26 avril 2017, par Alex

    Now I’m trying to trim mkv file with ffmpeg command.

    ffmpeg -y -i 1.mkv -filter_complex "[0:0]trim=start=201:duration=28,setpts=PTS-STARTPTS" a.mp4

    after processing a.mp4 is created with length(28s), but there is problems.

    1. Video is some flapped while playing.
    2. Audio is continued though playing has ended beyond 28s.

    So could you guys tell me what can I do ?

    When ffmpeg processing, it shows some errors as like this :

    D:\Work\ffmpeg\files> ffmpeg -y -i 1.mkv -filter_complex "[0:0]trim=start=201:duration=28,setpts=PTS-STARTPTS" a.mp4
    ffmpeg version N-77883-gd7c75a5 Copyright (c) 2000-2016 the FFmpeg developers
     built with gcc 5.2.0 (GCC)
     configuration: --disable-static --enable-shared --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. 13.100 / 55. 13.100
     libavcodec     57. 22.100 / 57. 22.100
     libavformat    57. 21.101 / 57. 21.101
     libavdevice    57.  0.100 / 57.  0.100
     libavfilter     6. 25.100 /  6. 25.100
     libswscale      4.  0.100 /  4.  0.100
     libswresample   2.  0.101 /  2.  0.101
     libpostproc    54.  0.100 / 54.  0.100
    Guessed Channel Layout for  Input Stream #0.1 : mono
    Input #0, matroska,webm, from '1.mkv':
     Metadata:
       ENCODER         : Lavf56.1.0
     Duration: 00:35:40.08, start: 0.000000, bitrate: 348 kb/s
       Stream #0:0: Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc
       Stream #0:1: Audio: pcm_mulaw ([7][0][0][0] / 0x0007), 8000 Hz, 1 channels, s16, 64 kb/s
    [libx264 @ 000002859baf3300] using SAR=1/1
    [libx264 @ 000002859baf3300] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    [libx264 @ 000002859baf3300] profile High, level 3.0
    [libx264 @ 000002859baf3300] 264 - core 148 r2638 7599210 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - 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=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=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 'a.mp4':
     Metadata:
       encoder         : Lavf57.21.101
       Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=-1--1, 29.97 fps, 30k tbn, 29.97 tbc
       Metadata:
         encoder         : Lavc57.22.100 libx264
       Side data:
         unknown side data type 10 (24 bytes)
       Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 8000 Hz, mono, fltp, 48 kb/s
       Metadata:
         encoder         : Lavc57.22.100 aac
    Stream mapping:
     Stream #0:0 (vp8) -> trim (graph 0)
     setpts (graph 0) -> Stream #0:0 (libx264)
     Stream #0:1 -> #0:1 (pcm_mulaw (native) -> aac (native))
    Press [q] to stop, [?] for help
    [vp8 @ 000002859d9ae460] Discarding interframe without a prior keyframe!
    [vp8 @ 000002859d9aeb00] Discarding interframe without a prior keyframe!
    [vp8 @ 000002859e8eee40] Discarding interframe without a prior keyframe!
    [vp8 @ 000002859e8f5460] Discarding interframe without a prior keyframe!
    Error while decoding stream #0:0: Invalid data found when processing input
       Last message repeated 3 times
    frame=    0 fps=0.0 q=0.0 size=      62kB time=00:00:22.27 bitrate=  22.6kbits/s
    frame=    0 fps=0.0 q=0.0 size=     154kB time=00:00:41.08 bitrate=  30.6kbits/s
    frame=    0 fps=0.0 q=0.0 size=     255kB time=00:01:02.20 bitrate=  33.6kbits/s
    frame=    0 fps=0.0 q=0.0 size=     340kB time=00:01:19.34 bitrate=  35.1kbits/s
    frame=    0 fps=0.0 q=0.0 size=     423kB time=00:01:39.31 bitrate=  34.9kbits/s
    frame=   88 fps= 29 q=29.0 size=     518kB time=00:01:43.79 bitrate=  40.9kbits/
    frame=  140 fps= 40 q=29.0 size=     613kB time=00:01:45.46 bitrate=  47.6kbits/
    frame=  194 fps= 48 q=29.0 size=     719kB time=00:01:47.38 bitrate=  54.8kbits/

    ...


    frame=  839 fps= 14 q=29.0 size=   10881kB time=00:34:51.52 bitrate=  42.6kbits/
    frame=  839 fps= 14 q=29.0 size=   10962kB time=00:35:10.46 bitrate=  42.5kbits/
    frame=  839 fps= 14 q=29.0 size=   11031kB time=00:35:25.44 bitrate=  42.5kbits/
    frame=  839 fps= 14 q=-1.0 Lsize=   11266kB time=00:35:40.16 bitrate=  43.1kbits/s dup=284 drop=328 speed=34.6x
    video:1083kB audio:10104kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.706855%
    [libx264 @ 000002859baf3300] frame I:4     Avg QP:15.24  size: 22651
    [libx264 @ 000002859baf3300] frame P:305   Avg QP:19.95  size:  2626
    [libx264 @ 000002859baf3300] frame B:530   Avg QP:25.41  size:   408
    [libx264 @ 000002859baf3300] consecutive B-frames: 15.7%  0.0%  0.4% 83.9%
    [libx264 @ 000002859baf3300] mb I  I16..4: 15.9% 63.7% 20.4%
    [libx264 @ 000002859baf3300] mb P  I16..4:  0.3%  1.9%  0.3%  P16..4: 22.3%  6.2%  2.4%  0.0%  0.0%    skip:66.5%
    [libx264 @ 000002859baf3300] mb B  I16..4:  0.0%  0.1%  0.0%  B16..8: 16.1%  0.6%  0.1%  direct: 0.2%  skip:82.9%  L0:48.2% L1:48.5% BI: 3.4%
    [libx264 @ 000002859baf3300] 8x8 transform intra:71.1% inter:71.4%
    [libx264 @ 000002859baf3300] coded y,uvDC,uvAC intra: 72.2% 78.3% 40.7% inter: 5.9% 4.0% 0.1%
    [libx264 @ 000002859baf3300] i16 v,h,dc,p: 29% 30% 21% 20%
    [libx264 @ 000002859baf3300] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 28% 18% 14%  5%  6%  9%  6%  9%  6%
    [libx264 @ 000002859baf3300] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 38% 20% 11%  5%  5%  7%  5%  6%  4%
    [libx264 @ 000002859baf3300] i8c dc,h,v,p: 46% 16% 27% 11%
    [libx264 @ 000002859baf3300] Weighted P-Frames: Y:0.0% UV:0.0%
    [libx264 @ 000002859baf3300] ref P L0: 63.4% 21.5% 11.5%  3.6%
    [libx264 @ 000002859baf3300] ref B L0: 92.6%  6.4%  1.0%
    [libx264 @ 000002859baf3300] ref B L1: 96.4%  3.6%
    [libx264 @ 000002859baf3300] kb/s:316.59
    [aac @ 000002859baf4400] Qavg: 65377.508

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