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Autres articles (38)

  • Support audio et vidéo HTML5

    10 avril 2011

    MediaSPIP utilise les balises HTML5 video et audio pour la lecture de documents multimedia en profitant des dernières innovations du W3C supportées par les navigateurs modernes.
    Pour les navigateurs plus anciens, le lecteur flash Flowplayer est utilisé.
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    Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)

  • HTML5 audio and video support

    13 avril 2011, par

    MediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
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  • De l’upload à la vidéo finale [version standalone]

    31 janvier 2010, par

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Sur d’autres sites (4374)

  • avutil : Fix linking x86 asm constants with Clang in MSVC mode

    12 juin, par Martin Storsjö
    avutil : Fix linking x86 asm constants with Clang in MSVC mode
    

    This fixes building with Clang in MSVC mode, for x86, which was
    broken in 6e49b8699657b808b7dc80033f2c3f2d0e029fa3 (in Nov 2024) ;
    previously it failed with undefined symbols for the constants
    defined with DECLARE_ASM_CONST, accessed via inline assembly.

    Before 57861911a34e1c33796be97f2b2f44e05fffd647, there was an
    #elif defined(__GNUC__) || defined(__clang__)
    case before the
    #elif defined(_MSC_VER)
    case for defining DECLARE_ASM_CONST, which included av_used.
    (This case included the explicit "defined(__clang__)" since
    f637046d3134a331e4b5a7243ac3dfb92735b8a5.)

    After 57861911a34e1c33796be97f2b2f44e05fffd647, it used the
    generic definition of DECLARE_ASM_CONST that also included
    av_used - which also worked for Clang in MSVC mode. But after
    6e49b8699657b808b7dc80033f2c3f2d0e029fa3, Clang in MSVC mode
    ended up using the MSVC specific variant which lacked the
    av_used declaration, causing linker errors due to undefined
    symbols.

    Signed-off-by : Martin Storsjö <martin@martin.st>

    • [DH] libavutil/mem_internal.h
  • ffmpeg fialing with "could not find coded parameters"

    21 octobre 2024, par Angelo

    running ffmpeg -i in a C# console app using Process, for certain files, the process gets stuck and runs forever

    &#xA;

            var oInfo = new ProcessStartInfo("ffmpeg.exe", "-i 176d2819-f1da-44eb-b33b-94eb1448194b.mov");&#xA;        oInfo.UseShellExecute = false;&#xA;        oInfo.CreateNoWindow = true;&#xA;        oInfo.RedirectStandardOutput = true;&#xA;        oInfo.RedirectStandardError = true;&#xA;&#xA;        string output = string.Empty;&#xA;        StreamReader srOutput = null;&#xA;&#xA;            //run the process&#xA;            Process proc = Process.Start(oInfo);&#xA;            proc.WaitForExit();&#xA;            srOutput = proc.StandardError;&#xA;            output = srOutput.ReadToEnd();&#xA;            proc.Close();&#xA;

    &#xA;

    running from command line

    &#xA;

    ffmpeg.exe -i 176d2819-f1da-44eb-b33b-94eb1448194b.mov, getting an error as included in the below output

    &#xA;

    could not find codec parameters for stream 1 (Audio : none (apac / 0x63617061), 48000 Hz, 4 channels, 382 kb/s) : unknown codec&#xA;Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options&#xA;[aist#0:1/none @ 0000029b0e1b0040] Guessed Channel Layout : 4.0&#xA;Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '176d2819-f1da-44eb-b33b-94eb1448194b.mov'

    &#xA;

    ffmpeg version N-117538-g9ce63e65d6-20241015 Copyright (c) 2000-2024 the FFmpeg developers&#xA;  built with gcc 14.2.0 (crosstool-NG 1.26.0.120_4d36f27)&#xA;  configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-libxml2 --enable-lzma --enable-fontconfig --enable-libharfbuzz --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-chromaprint --enable-libdav1d --enable-libdavs2 --enable-libdvdread --enable-libdvdnav --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libaribcaption --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-libzmq --enable-lv2 --enable-libvpl --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-libdrm --enable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libvvenc --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-libs=-lgomp --extra-ldflags=-pthread --extra-ldexeflags= --cc=x86_64-w64-mingw32-gcc --cxx=x86_64-w64-mingw32-g&#x2B;&#x2B; --ar=x86_64-w64-mingw32-gcc-ar --ranlib=x86_64-w64-mingw32-gcc-ranlib --nm=x86_64-w64-mingw32-gcc-nm --extra-version=20241015&#xA;  libavutil      59. 43.100 / 59. 43.100&#xA;  libavcodec     61. 22.100 / 61. 22.100&#xA;  libavformat    61.  9.100 / 61.  9.100&#xA;  libavdevice    61.  4.100 / 61.  4.100&#xA;  libavfilter    10.  6.100 / 10.  6.100&#xA;  libswscale      8.  6.100 /  8.  6.100&#xA;  libswresample   5.  4.100 /  5.  4.100&#xA;  libpostproc    58.  4.100 / 58.  4.100&#xA;[mov,mp4,m4a,3gp,3g2,mj2 @ 000001b447c84e40] Could not find codec parameters for stream 1 (Audio: none (apac / 0x63617061), 48000 Hz, 4 channels, 382 kb/s): unknown codec&#xA;Consider increasing the value for the &#x27;analyzeduration&#x27; (0) and &#x27;probesize&#x27; (5000000) options&#xA;[aist#0:1/none @ 000001b44a6bf880] Guessed Channel Layout: 4.0&#xA;Input #0, mov,mp4,m4a,3gp,3g2,mj2, from &#x27;176d2819-f1da-44eb-b33b-94eb1448194b.mov&#x27;:&#xA;  Metadata:&#xA;    major_brand     : qt&#xA;    minor_version   : 0&#xA;    compatible_brands: qt&#xA;    creation_time   : 2024-10-14T07:34:17.000000Z&#xA;    com.apple.quicktime.full-frame-rate-playback-intent: 0&#xA;    com.apple.quicktime.make: Apple&#xA;    com.apple.quicktime.model: iPhone 16 Pro Max&#xA;    com.apple.quicktime.software: 18.0.1&#xA;    com.apple.quicktime.creationdate: 2024-10-14T16:18:36&#x2B;1100&#xA;    com.apple.photos.originating.signature: AQMNJRMQrKK7im&#x2B;Kjhixx6TqQyYm&#xA;  Duration: 00:00:32.60, start: 0.000000, bitrate: 15064 kb/s&#xA;  Stream #0:0[0x1](und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 130 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Audio&#xA;      vendor_id       : [0][0][0][0]&#xA;  Stream #0:1[0x2](und): Audio: none (apac / 0x63617061), 48000 Hz, 4.0, 382 kb/s&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Audio&#xA;      vendor_id       : [0][0][0][0]&#xA;  Stream #0:2[0x3](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x1080, 14464 kb/s, 30 fps, 30 tbr, 600 tbn (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Video&#xA;      vendor_id       : [0][0][0][0]&#xA;      encoder         : H.264&#xA;  Stream #0:3[0x4](und): Data: none (mebx / 0x7862656D), 0 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;  Stream #0:4[0x5](und): Data: none (mebx / 0x7862656D), 0 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;  Stream #0:5[0x6](und): Data: none (mebx / 0x7862656D), 21 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;  Stream #0:6[0x7](und): Data: none (mebx / 0x7862656D), 48 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;  Stream #0:7[0x8](und): Data: none (mebx / 0x7862656D), 2 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;  Stream #0:8[0x9](und): Data: none (mebx / 0x7862656D), 0 kb/s (default)&#xA;    Metadata:&#xA;      creation_time   : 2024-10-14T07:34:17.000000Z&#xA;      handler_name    : Core Media Metadata&#xA;

    &#xA;

    This error does not happen on all files but only on a handful of files.

    &#xA;

  • How to combine 100 video clips with transition using FFMPEG ? [closed]

    17 octobre 2024, par Muhammad Lutfi Rahmawan

    I've been working on project which involves FFMPEG to process video. The goal is to produce a video from several clips and combine them with transition to each clips. We've succeeded to create video from 20 clips and 19 transitions are applied to merge each clips. But when it comes to a larger amount of clips, say 50, it becomes be failed.

    &#xA;

    The first thing we do is split the original video into several clips based on user selection and this command is successful (log splitting). Then we combine the clips with transition using below command.

    &#xA;

    Here is the sample command of FFMPEG which failed :

    &#xA;

    ffmpeg -y -i /tmp/0.mp4 -i /tmp/1.mp4 -i /tmp/2.mp4 -i /tmp/3.mp4 -i /tmp/4.mp4 -i /tmp/5.mp4 -i /tmp/6.mp4 -i /tmp/7.mp4 -i /tmp/8.mp4 -i /tmp/9.mp4 -i /tmp/10.mp4 -i /tmp/11.mp4 -i /tmp/12.mp4 -i /tmp/13.mp4 -i /tmp/14.mp4 -i /tmp/15.mp4 -i /tmp/16.mp4 -i /tmp/17.mp4 -i /tmp/18.mp4 -i /tmp/19.mp4 -i /tmp/20.mp4 -i /tmp/21.mp4 -i /tmp/22.mp4 -i /tmp/23.mp4 -i /tmp/24.mp4 -i /tmp/25.mp4 -i /tmp/26.mp4 -i /tmp/27.mp4 -i /tmp/28.mp4 -i /tmp/29.mp4 -i /tmp/30.mp4 -i /tmp/31.mp4 -i /tmp/32.mp4 -i /tmp/33.mp4 -i /tmp/34.mp4 -i /tmp/35.mp4 -i /tmp/36.mp4 -i /tmp/37.mp4 -i /tmp/38.mp4 -i /tmp/39.mp4 -i /tmp/40.mp4 -i /tmp/41.mp4 -i /tmp/42.mp4 -i /tmp/43.mp4 -i /tmp/44.mp4 -i /tmp/45.mp4 -i /tmp/46.mp4 -i /tmp/47.mp4 -i /tmp/48.mp4 -i /tmp/49.mp4 -filter_complex "[0:v][1:v]xfade=transition=circlecrop:duration=0.5:offset=24.474[tv0];[0:a][1:a]acrossfade=d=0.5[ta0];[tv0][2:v]xfade=transition=circlecrop:duration=0.5:offset=31.674[tv1];[ta0][2:a]acrossfade=d=0.5[ta1];[tv1][3:v]xfade=transition=circlecrop:duration=0.5:offset=37.234[tv2];[ta1][3:a]acrossfade=d=0.5[ta2];[tv2][4:v]xfade=transition=circlecrop:duration=0.5:offset=55.348[tv3];[ta2][4:a]acrossfade=d=0.5[ta3];[tv3][5:v]xfade=transition=circlecrop:duration=0.5:offset=76.07[tv4];[ta3][5:a]acrossfade=d=0.5[ta4];[tv4][6:v]xfade=transition=circlecrop:duration=0.5:offset=82.622[tv5];[ta4][6:a]acrossfade=d=0.5[ta5];[tv5][7:v]xfade=transition=circlecrop:duration=0.5:offset=103.122[tv6];[ta5][7:a]acrossfade=d=0.5[ta6];[tv6][8:v]xfade=transition=circlecrop:duration=0.5:offset=114.502[tv7];[ta6][8:a]acrossfade=d=0.5[ta7];[tv7][9:v]xfade=transition=circlecrop:duration=0.5:offset=122.258[tv8];[ta7][9:a]acrossfade=d=0.5[ta8];[tv8][10:v]xfade=transition=circlecrop:duration=0.5:offset=130.094[tv9];[ta8][10:a]acrossfade=d=0.5[ta9];[tv9][11:v]xfade=transition=circlecrop:duration=0.5:offset=134.33[tv10];[ta9][11:a]acrossfade=d=0.5[ta10];[tv10][12:v]xfade=transition=circlecrop:duration=0.5:offset=141.85[tv11];[ta10][12:a]acrossfade=d=0.5[ta11];[tv11][13:v]xfade=transition=circlecrop:duration=0.5:offset=145.59[tv12];[ta11][13:a]acrossfade=d=0.5[ta12];[tv12][14:v]xfade=transition=circlecrop:duration=0.5:offset=154.314[tv13];[ta12][14:a]acrossfade=d=0.5[ta13];[tv13][15:v]xfade=transition=circlecrop:duration=0.5:offset=155.998[tv14];[ta13][15:a]acrossfade=d=0.5[ta14];[tv14][16:v]xfade=transition=circlecrop:duration=0.5:offset=164.924[tv15];[ta14][16:a]acrossfade=d=0.5[ta15];[tv15][17:v]xfade=transition=circlecrop:duration=0.5:offset=168.184[tv16];[ta15][17:a]acrossfade=d=0.5[ta16];[tv16][18:v]xfade=transition=circlecrop:duration=0.5:offset=174.796[tv17];[ta16][18:a]acrossfade=d=0.5[ta17];[tv17][19:v]xfade=transition=circlecrop:duration=0.5:offset=186.724[tv18];[ta17][19:a]acrossfade=d=0.5[ta18];[tv18][20:v]xfade=transition=circlecrop:duration=0.5:offset=191.23[tv19];[ta18][20:a]acrossfade=d=0.5[ta19];[tv19][21:v]xfade=transition=circlecrop:duration=0.5:offset=195.778[tv20];[ta19][21:a]acrossfade=d=0.5[ta20];[tv20][22:v]xfade=transition=circlecrop:duration=0.5:offset=198.118[tv21];[ta20][22:a]acrossfade=d=0.5[ta21];[tv21][23:v]xfade=transition=circlecrop:duration=0.5:offset=201.506[tv22];[ta21][23:a]acrossfade=d=0.5[ta22];[tv22][24:v]xfade=transition=circlecrop:duration=0.5:offset=204.422[tv23];[ta22][24:a]acrossfade=d=0.5[ta23];[tv23][25:v]xfade=transition=circlecrop:duration=0.5:offset=210.243[tv24];[ta23][25:a]acrossfade=d=0.5[ta24];[tv24][26:v]xfade=transition=circlecrop:duration=0.5:offset=215.417[tv25];[ta24][26:a]acrossfade=d=0.5[ta25];[tv25][27:v]xfade=transition=circlecrop:duration=0.5:offset=219.057[tv26];[ta25][27:a]acrossfade=d=0.5[ta26];[tv26][28:v]xfade=transition=circlecrop:duration=0.5:offset=221.277[tv27];[ta26][28:a]acrossfade=d=0.5[ta27];[tv27][29:v]xfade=transition=circlecrop:duration=0.5:offset=224.875[tv28];[ta27][29:a]acrossfade=d=0.5[ta28];[tv28][ta28][30:v][30:a][31:v][31:a][32:v][32:a][33:v][33:a][34:v][34:a][35:v][35:a][36:v][36:a][37:v][37:a][38:v][38:a][39:v][39:a][40:v][40:a][41:v][41:a][42:v][42:a][43:v][43:a][44:v][44:a][45:v][45:a][46:v][46:a][47:v][47:a][48:v][48:a][49:v][49:a]concat=n=21:v=1:a=1[v][a]" -map "[v]" -map "[a]" /tmp/export-clip-94989d271066ace00459-9ba57089-d833-4cef-beb7-3c847e9958af.mp4&#xA;

    &#xA;

    The error is as follows :

    &#xA;

    ffmpeg version 7.1 Copyright (c) 2000-2024 the FFmpeg developers\n  built with gcc 13 (Ubuntu 13.2.0-23ubuntu4)\n  configuration: --disable-debug --disable-doc --disable-ffplay --enable-alsa --enable-cuda-llvm --enable-cuvid --enable-ffprobe --enable-gpl --enable-libaom --enable-libass --enable-libdav1d --enable-libfdk_aac --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-libkvazaar --enable-liblc3 --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libplacebo --enable-librav1e --enable-librist --enable-libshaderc --enable-libsrt --enable-libsvtav1 --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpl --enable-libvpx --enable-libvvenc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-nonfree --enable-nvdec --enable-nvenc --enable-opencl --enable-openssl --enable-stripping --enable-vaapi --enable-vdpau --enable-version3 --enable-vulkan\n  libavutil      59. 39.100 / 59. 39.100\n  libavcodec     61. 19.100 / 61. 19.100\n  libavformat    61.  7.100 / 61.  7.100\n  libavdevice    61.  3.100 / 61.  3.100\n  libavfilter    10.  4.100 / 10.  4.100\n  libswscale      8.  3.100 /  8.  3.100\n  libswresample   5.  3.100 /  5.  3.100\n  libpostproc    58.  3.100 / 58.  3.100\n[mov,mp4,m4a,3gp,3g2,mj2 @ 0x56102f0e5580] moov atom not found\n[in#0 @ 0x56102f0ed480] Error opening input: Invalid data found when processing input\nError opening input file /tmp/0.mp4.\nError opening input files: Invalid data found when processing input\n&#xA;

    &#xA;

    It stated that /tmp/0.mp4 has invalid data moov atom not found

    &#xA;

    This only occurs when the number of clips > 20

    &#xA;

    Additional info :

    &#xA;

      &#xA;
    • I can run without any error in my local environment using Windows 11 (FFMPEG version N-114902-g277f051ff6-20240421)
    • &#xA;

    • It fails on AWS Fargate environment using Ubuntu base image docker (FFMPEG version 7.1)
    • &#xA;

    &#xA;

    I hope I can get a solutive answer based on my case at least I get what is wrong with my approach

    &#xA;