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  • Contribute to translation

    13 avril 2011

    You can help us to improve the language used in the software interface to make MediaSPIP more accessible and user-friendly. You can also translate the interface into any language that allows it to spread to new linguistic communities.
    To do this, we use the translation interface of SPIP where the all the language modules of MediaSPIP are available. Just subscribe to the mailing list and request further informantion on translation.
    MediaSPIP is currently available in French and English (...)

  • Selection of projects using MediaSPIP

    2 mai 2011, par

    The examples below are representative elements of MediaSPIP specific uses for specific projects.
    MediaSPIP farm @ Infini
    The non profit organizationInfini develops hospitality activities, internet access point, training, realizing innovative projects in the field of information and communication technologies and Communication, and hosting of websites. It plays a unique and prominent role in the Brest (France) area, at the national level, among the half-dozen such association. Its members (...)

  • Use, discuss, criticize

    13 avril 2011, par

    Talk to people directly involved in MediaSPIP’s development, or to people around you who could use MediaSPIP to share, enhance or develop their creative projects.
    The bigger the community, the more MediaSPIP’s potential will be explored and the faster the software will evolve.
    A discussion list is available for all exchanges between users.

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  • Quick stream from file which exists

    4 mai 2017, par parsa

    I implement live streaming from mp4 video file which exists on the path with ffmpeg under hls format.
    When my video file have the quality greater than hd720 , in encoding there are so many delays for creating .ts fragments.
    I mean the .ts fragments slowly produced on my path,and because of it I have so many delays in showing the stream.
    Here is my ffmpeg code for streaming :

    ffmpeg -re -i 123.mp4 -s cga -f hls -hls_list_size 0 -c:v libx264 -c:a aac 200p/out.m3u8 
    
              -s nhd -f hls -hls_list_size 0 -c:v libx264 -c:a aac 360p/out.m3u8 
    
              -s hd480 -f hls -hls_list_size 0 -c:v libx264 -c:a aac 480p/out.m3u8 
    
              -s hd720 -f hls -hls_list_size 0 -c:v libx264 -c:a aac 720p/out.m3u8
    
              -s hd1080 -f hls -hls_list_size 0 -c:v libx264 -c:a aac 1080p/out.m3u8

    And here is the console output :

        ffmpeg -re -i ../files/412-887123464/video/412-887123464.mp4 -s cga -f hls -hls_list_size 0 -c:v libx264 -c:a aac ../fil
    
        es/412-887123464/video/200p/out.m3u8  -s nhd -f hls -hls_list_size 0 -c:v libx264 -c:a aac ../files/412-887123464/video/360p/out.m3u8 -s hd480 -f hls -
    
        hls_list_size 0 -c:v libx264 -c:a aac ../files/412-887123464/video/480p/out.m3u8 -s hd720 -f hls -hls_list_size 0 -c:v libx264 -c:a aac ../files/412-88
    
        7123464/video/720p/out.m3u8 -s hd1080 -f hls -hls_list_size 0 -c:v libx264 -c:a aac ../files/412-887123464/video/1080p/out.m3u8
    
        ffmpeg version N-82225-gb4e9252 Copyright (c) 2000-2016 the FFmpeg developers
    
          built with gcc 5.4.0 (GCC)
    
          configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --e
    
        nable-libebur128 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcac
    
        a --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-lib
    
        opencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr
    
         --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwa
    
        vpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zl
    
        ib
    
          libavutil      55. 35.100 / 55. 35.100
    
          libavcodec     57. 66.101 / 57. 66.101
    
          libavformat    57. 57.100 / 57. 57.100
    
          libavdevice    57.  2.100 / 57.  2.100
    
          libavfilter     6. 66.100 /  6. 66.100
    
          libswscale      4.  3.100 /  4.  3.100
    
          libswresample   2.  4.100 /  2.  4.100
    
          libpostproc    54.  2.100 / 54.  2.100
    
        Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '../files/412-887123464/video/412-887123464.mp4':
    
          Metadata:
    
            major_brand     : isom
    
            minor_version   : 512
    
            compatible_brands: isomiso2avc1mp41
    
            encoder         : Lavf57.31.100
    
          Duration: 00:05:04.07, start: 0.000000, bitrate: 3108 kb/s
    
            Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 2976 kb/s, 25 fps, 25 tbr, 90k tbn, 50
    
        tbc (default)
    
            Metadata:
    
              handler_name    : VideoHandler
    
            Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    
            Metadata:
    
              handler_name    : SoundHandler
    
        [libx264 @ 0000000001c53f00] using SAR=10/9
    
        [libx264 @ 0000000001c53f00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
        [libx264 @ 0000000001c53f00] profile High, level 1.3
    
        Output #0, hls, to '../files/412-887123464/video/200p/out.m3u8':
    
          Metadata:
    
            major_brand     : isom
    
            minor_version   : 512
    
            compatible_brands: isomiso2avc1mp41
    
            encoder         : Lavf57.57.100
    
            Stream #0:0(und): Video: h264 (libx264), yuv420p, 320x200 [SAR 10:9 DAR 16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc (default)
    
            Metadata:
    
              handler_name    : VideoHandler
    
              encoder         : Lavc57.66.101 libx264
    
            Side data:
    
              cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
            Stream #0:1(und): Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s (default)
    
            Metadata:
    
              handler_name    : SoundHandler
    
              encoder         : Lavc57.66.101 aac
    
        [libx264 @ 0000000001f87180] using SAR=1/1
    
        [libx264 @ 0000000001f87180] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
        [libx264 @ 0000000001f87180] profile High, level 3.0
    
        Output #1, hls, to '../files/412-887123464/video/360p/out.m3u8':
    
          Metadata:
    
            major_brand     : isom
    
            minor_version   : 512
    
            compatible_brands: isomiso2avc1mp41
    
            encoder         : Lavf57.57.100
    
            Stream #1:0(und): Video: h264 (libx264), yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc (default)
    
            Metadata:
    
              handler_name    : VideoHandler
    
              encoder         : Lavc57.66.101 libx264
    
            Side data:
    
              cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
            Stream #1:1(und): Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s (default)
    
            Metadata:
    
              handler_name    : SoundHandler
    
              encoder         : Lavc57.66.101 aac
    
        [libx264 @ 0000000001c55ba0] using SAR=640/639
    
        [libx264 @ 0000000001c55ba0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
        [libx264 @ 0000000001c55ba0] profile High, level 3.0
    
        Output #2, hls, to '../files/412-887123464/video/480p/out.m3u8':
    
          Metadata:
    
            major_brand     : isom
    
            minor_version   : 512
    
            compatible_brands: isomiso2avc1mp41
    
            encoder         : Lavf57.57.100
    
            Stream #2:0(und): Video: h264 (libx264), yuv420p, 852x480 [SAR 640:639 DAR 16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc (default)
    
            Metadata:
    
              handler_name    : VideoHandler
    
              encoder         : Lavc57.66.101 libx264
    
            Side data:
    
              cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
            Stream #2:1(und): Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s (default)
    
            Metadata:
    
              handler_name    : SoundHandler
    
              encoder         : Lavc57.66.101 aac
    
        [libx264 @ 0000000001ca0220] using SAR=1/1
    
        [libx264 @ 0000000001ca0220] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
        [libx264 @ 0000000001ca0220] profile High, level 3.1
    
        Output #3, hls, to '../files/412-887123464/video/720p/out.m3u8':
    
          Metadata:
    
            major_brand     : isom
    
            minor_version   : 512
    
            compatible_brands: isomiso2avc1mp41
    
            encoder         : Lavf57.57.100
    
            Stream #3:0(und): Video: h264 (libx264), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc (default)
    
            Metadata:
    
              handler_name    : VideoHandler
    
              encoder         : Lavc57.66.101 libx264
    
            Side data:
    
              cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
            Stream #3:1(und): Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s (default)
    
            Metadata:
    
              handler_name    : SoundHandler
    
              encoder         : Lavc57.66.101 aac
    
        [libx264 @ 0000000001ca23e0] using SAR=1/1
    
        [libx264 @ 0000000001ca23e0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
    
        [libx264 @ 0000000001ca23e0] profile High, level 4.0
    
        Output #4, hls, to '../files/412-887123464/video/1080p/out.m3u8':
    
          Metadata:
    
            major_brand     : isom
    
            minor_version   : 512
    
            compatible_brands: isomiso2avc1mp41
    
            encoder         : Lavf57.57.100
    
            Stream #4:0(und): Video: h264 (libx264), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 25 fps, 90k tbn, 25 tbc (default)
    
            Metadata:
    
              handler_name    : VideoHandler
    
              encoder         : Lavc57.66.101 libx264
    
            Side data:
    
              cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
            Stream #4:1(und): Audio: aac (LC), 44100 Hz, stereo, fltp, 128 kb/s (default)
    
            Metadata:
    
              handler_name    : SoundHandler
    
              encoder         : Lavc57.66.101 aac
    
        Stream mapping:
    
          Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
    
          Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    
          Stream #0:0 -> #1:0 (h264 (native) -> h264 (libx264))
    
          Stream #0:1 -> #1:1 (aac (native) -> aac (native))
    
          Stream #0:0 -> #2:0 (h264 (native) -> h264 (libx264))
    
          Stream #0:1 -> #2:1 (aac (native) -> aac (native))
    
          Stream #0:0 -> #3:0 (h264 (native) -> h264 (libx264))
    
          Stream #0:1 -> #3:1 (aac (native) -> aac (native))
    
          Stream #0:0 -> #4:0 (h264 (native) -> h264 (libx264))
    
          Stream #0:1 -> #4:1 (aac (native) -> aac (native))
    
        Press [q] to stop, [?] for help
    
frame= 7600 fps= 21 q=-1.0 Lq=-1.0 q=-1.0 q=-1.0 q=-1.0 size=N/A time=00:05:04.06 bitrate=N/A speed=0.835x
    
video:294980kB audio:23995kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
    
[libx264 @ 0000000001d33f00] frame I:33    Avg QP:19.93  size: 11412
    
[libx264 @ 0000000001d33f00] frame P:2281  Avg QP:23.72  size:  3112
    
[libx264 @ 0000000001d33f00] frame B:5286  Avg QP:28.59  size:   446
    
[libx264 @ 0000000001d33f00] consecutive B-frames:  4.3%  6.9%  5.9% 82.8%
    
[libx264 @ 0000000001d33f00] mb I  I16..4: 12.9% 42.9% 44.2%
    
[libx264 @ 0000000001d33f00] mb P  I16..4:  1.3%  4.4%  2.3%  P16..4: 41.4% 22.0% 15.5%  0.0%  0.0%    skip:13.1%
    
[libx264 @ 0000000001d33f00] mb B  I16..4:  0.0%  0.1%  0.0%  B16..8: 35.2%  5.9%  2.1%  direct: 3.0%  skip:53.6%  L0:35.3% L1:48.0% BI:16.8%
    
[libx264 @ 0000000001d33f00] 8x8 transform intra:53.4% inter:57.9%
    
[libx264 @ 0000000001d33f00] coded y,uvDC,uvAC intra: 70.6% 89.7% 67.6% inter: 18.1% 20.3% 7.2%
    
[libx264 @ 0000000001d33f00] i16 v,h,dc,p: 24% 24%  6% 45%
    
[libx264 @ 0000000001d33f00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 14% 19%  5%  5%  7%  5% 10%  7%
    
[libx264 @ 0000000001d33f00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 15% 15%  6%  6%  7%  6%  8%  6%
    
[libx264 @ 0000000001d33f00] i8c dc,h,v,p: 42% 17% 28% 14%
    
[libx264 @ 0000000001d33f00] Weighted P-Frames: Y:26.3% UV:12.9%
    
[libx264 @ 0000000001d33f00] ref P L0: 58.7% 24.7% 10.9%  4.8%  1.0%
    
[libx264 @ 0000000001d33f00] ref B L0: 92.6%  5.8%  1.6%
    
[libx264 @ 0000000001d33f00] ref B L1: 96.3%  3.7%
    
[libx264 @ 0000000001d33f00] kb/s:258.68
    
[aac @ 00000000005fc9e0] Qavg: 686.637
    
[libx264 @ 0000000002017180] frame I:31    Avg QP:19.77  size: 29228
    
[libx264 @ 0000000002017180] frame P:2040  Avg QP:23.08  size:  8765
    
[libx264 @ 0000000002017180] frame B:5529  Avg QP:27.28  size:  1471
    
[libx264 @ 0000000002017180] consecutive B-frames:  1.3%  4.2%  2.4% 92.1%
    
[libx264 @ 0000000002017180] mb I  I16..4:  8.3% 58.8% 32.9%
    
[libx264 @ 0000000002017180] mb P  I16..4:  3.2%  9.5%  2.6%  P16..4: 41.5% 19.5% 11.4%  0.0%  0.0%    skip:12.2%
    
[libx264 @ 0000000002017180] mb B  I16..4:  0.2%  0.3%  0.1%  B16..8: 34.5%  5.8%  1.7%  direct: 2.7%  skip:54.7%  L0:35.9% L1:49.5% BI:14.6%
    
[libx264 @ 0000000002017180] 8x8 transform intra:61.2% inter:67.3%
    
[libx264 @ 0000000002017180] coded y,uvDC,uvAC intra: 55.8% 84.8% 51.3% inter: 15.6% 19.3% 3.9%
    
[libx264 @ 0000000002017180] i16 v,h,dc,p: 24% 29%  8% 39%
    
[libx264 @ 0000000002017180] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 17% 21%  5%  5%  7%  5%  8%  6%
    
[libx264 @ 0000000002017180] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 18% 15%  6%  7%  7%  6%  7%  5%
    
[libx264 @ 0000000002017180] i8c dc,h,v,p: 42% 18% 27% 13%
    
[libx264 @ 0000000002017180] Weighted P-Frames: Y:22.3% UV:12.2%
    
[libx264 @ 0000000002017180] ref P L0: 58.5% 23.4% 12.2%  5.2%  0.8%
    
[libx264 @ 0000000002017180] ref B L0: 93.1%  5.3%  1.6%
    
[libx264 @ 0000000002017180] ref B L1: 96.6%  3.4%
    
[libx264 @ 0000000002017180] kb/s:708.47
    
[aac @ 0000000001d35200] Qavg: 686.637
    
[libx264 @ 0000000001d35ba0] frame I:31    Avg QP:19.63  size: 41522
    
[libx264 @ 0000000001d35ba0] frame P:2025  Avg QP:22.86  size: 13415
    
[libx264 @ 0000000001d35ba0] frame B:5544  Avg QP:26.52  size:  2471
    
[libx264 @ 0000000001d35ba0] consecutive B-frames:  1.1%  3.9%  2.8% 92.2%
    
[libx264 @ 0000000001d35ba0] mb I  I16..4: 10.6% 62.4% 26.9%
    
[libx264 @ 0000000001d35ba0] mb P  I16..4:  4.7% 12.4%  2.6%  P16..4: 41.1% 17.8%  9.4%  0.0%  0.0%    skip:11.9%
    
[libx264 @ 0000000001d35ba0] mb B  I16..4:  0.3%  0.5%  0.1%  B16..8: 34.0%  5.5%  1.4%  direct: 2.9%  skip:55.3%  L0:36.7% L1:50.2% BI:13.1%
    
[libx264 @ 0000000001d35ba0] 8x8 transform intra:61.7% inter:71.6%
    
[libx264 @ 0000000001d35ba0] coded y,uvDC,uvAC intra: 48.0% 81.9% 43.3% inter: 14.7% 19.7% 2.6%
    
[libx264 @ 0000000001d35ba0] i16 v,h,dc,p: 27% 29%  9% 35%
    
[libx264 @ 0000000001d35ba0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 19% 22%  5%  5%  6%  5%  7%  5%
    
[libx264 @ 0000000001d35ba0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 25% 16%  5%  6%  7%  6%  6%  4%
    
[libx264 @ 0000000001d35ba0] i8c dc,h,v,p: 42% 20% 26% 12%
    
[libx264 @ 0000000001d35ba0] Weighted P-Frames: Y:18.1% UV:10.8%
    
[libx264 @ 0000000001d35ba0] ref P L0: 59.5% 22.6% 12.6%  4.8%  0.5%
    
[libx264 @ 0000000001d35ba0] ref B L0: 93.6%  5.0%  1.4%
    
[libx264 @ 0000000001d35ba0] ref B L1: 97.1%  2.9%
    
[libx264 @ 0000000001d35ba0] kb/s:1109.23
    
[aac @ 0000000001d828a0] Qavg: 686.637
    
[libx264 @ 0000000001d7f880] frame I:32    Avg QP:19.45  size: 64737
    
[libx264 @ 0000000001d7f880] frame P:2104  Avg QP:22.44  size: 23985
    
[libx264 @ 0000000001d7f880] frame B:5464  Avg QP:25.65  size:  4999
    
[libx264 @ 0000000001d7f880] consecutive B-frames:  1.2%  7.7%  3.2% 87.8%
    
[libx264 @ 0000000001d7f880] mb I  I16..4: 12.5% 70.0% 17.5%
    
[libx264 @ 0000000001d7f880] mb P  I16..4:  6.7% 17.1%  1.8%  P16..4: 40.7% 14.9%  6.6%  0.0%  0.0%    skip:12.2%
    
[libx264 @ 0000000001d7f880] mb B  I16..4:  0.6%  0.9%  0.1%  B16..8: 32.5%  4.7%  1.0%  direct: 2.9%  skip:57.4%  L0:37.6% L1:51.6% BI:10.8%
    
[libx264 @ 0000000001d7f880] 8x8 transform intra:65.7% inter:77.5%
    
[libx264 @ 0000000001d7f880] coded y,uvDC,uvAC intra: 39.5% 76.4% 32.4% inter: 13.2% 19.8% 1.5%
    
[libx264 @ 0000000001d7f880] i16 v,h,dc,p: 32% 27% 10% 31%
    
[libx264 @ 0000000001d7f880] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 18% 23%  4%  5%  5%  4%  5%  4%
    
[libx264 @ 0000000001d7f880] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 20% 15%  5%  7%  7%  6%  6%  4%
    
[libx264 @ 0000000001d7f880] i8c dc,h,v,p: 42% 19% 27% 12%
    
[libx264 @ 0000000001d7f880] Weighted P-Frames: Y:10.5% UV:6.7%
    
[libx264 @ 0000000001d7f880] ref P L0: 62.3% 20.4% 12.7%  4.3%  0.3%
    
[libx264 @ 0000000001d7f880] ref B L0: 93.4%  5.2%  1.4%
    
[libx264 @ 0000000001d7f880] ref B L1: 97.7%  2.3%
    
[libx264 @ 0000000001d7f880] kb/s:2101.26
    
[aac @ 0000000001d81560] Qavg: 686.637
    
[libx264 @ 0000000001d7fd60] frame I:33    Avg QP:18.36  size: 98904
    
[libx264 @ 0000000001d7fd60] frame P:3180  Avg QP:21.67  size: 33377
    
[libx264 @ 0000000001d7fd60] frame B:4387  Avg QP:24.61  size:  7729
    
[libx264 @ 0000000001d7fd60] consecutive B-frames:  2.7% 55.9% 15.6% 25.9%
    
[libx264 @ 0000000001d7fd60] mb I  I16..4: 22.4% 66.9% 10.7%
    
[libx264 @ 0000000001d7fd60] mb P  I16..4:  9.9% 17.8%  0.7%  P16..4: 40.4%  9.2%  3.0%  0.0%  0.0%    skip:19.0%
    
[libx264 @ 0000000001d7fd60] mb B  I16..4:  0.8%  1.3%  0.1%  B16..8: 30.2%  2.6%  0.4%  direct: 1.7%  skip:63.0%  L0:38.1% L1:54.9% BI: 7.0%
    
[libx264 @ 0000000001d7fd60] 8x8 transform intra:62.5% inter:82.9%
    
[libx264 @ 0000000001d7fd60] coded y,uvDC,uvAC intra: 25.4% 59.5% 11.6% inter: 9.6% 16.3% 0.7%
    
[libx264 @ 0000000001d7fd60] i16 v,h,dc,p: 33% 28% 15% 24%
    
[libx264 @ 0000000001d7fd60] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 34% 20% 29%  3%  3%  4%  3%  3%  3%
    
[libx264 @ 0000000001d7fd60] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 25% 16%  4%  6%  6%  5%  5%  4%
    
[libx264 @ 0000000001d7fd60] i8c dc,h,v,p: 39% 21% 28% 12%
    
[libx264 @ 0000000001d7fd60] Weighted P-Frames: Y:5.7% UV:3.6%
    
[libx264 @ 0000000001d7fd60] ref P L0: 70.0% 18.6%  8.3%  3.1%  0.1%
    
[libx264 @ 0000000001d7fd60] ref B L0: 91.4%  7.6%  1.0%
    
[libx264 @ 0000000001d7fd60] ref B L1: 99.0%  1.0%
    
[libx264 @ 0000000001d7fd60] kb/s:3771.31
    
[aac @ 0000000001d823e0] Qavg: 686.637

    But I don’t have any problem for streaming files with creating resolutions from a file which have lower orginal quality than hd1080
    What I can to do ?

  • FFMPEG equalizer clipping audio despite low volume

    23 juillet 2023, par Tom

    I'm using ffmpeg to equalise audio transferred from historic gramophone records, using standard eqs of the era.

    


    The frequency and gain values are taken from the graphic eq settings listed on the Audacity website - https://plugins.audacityteam.org/additional-resources/eq-curves/playback-equalization-for-78-rpm-shellacs-and-early-33-lps

    


    An example of the Blumlien300 curve here - https://2850314611-files.gitbook.io/ /files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FklCVENFte0GRy5IqVz0W%2Fuploads%2FJHS6Mv121GX1h898xy4K%2FBlumlein300_3.2.2.txt?alt=media&token=8d04df05-366d-47f8-8c82-149fa5eda59a

    


    The audio file I'm testing with has a digital peak of -35db, the highest gain value applied on this eq is 17db. When I run the ffmpeg command though, it reports the audio is clipping and the result is a horribly distorted recording.

    


    Can anyone advise why this is happening ? I run the same file through the same eq settings in Audacity and the result is as expected.

    


    set eq="equalizer=f=22050:g=-0.4,equalizer=f=21203.720228928225:g=-0.4,equalizer=f=20389.920705063967:g=-0.4,equalizer=f=19607.354835383569:g=-0.4,equalizer=f=18854.823871147240:g=-0.4,equalizer=f=18131.175071633737:g=-0.4,equalizer=f=17435.299938351014:g=-0.4,equalizer=f=16766.132517017904:g=-0.4,equalizer=f=16122.647764715837:g=-0.4,equalizer=f=15503.859979709296:g=-0.4,equalizer=f=14908.821291529812:g=-0.4,equalizer=f=14336.620209010769:g=-0.4,equalizer=f=13786.380224048187:g=-0.4,equalizer=f=13257.258468950000:g=-0.4,equalizer=f=12748.444425315412:g=-0.4,equalizer=f=12259.158682468413:g=-0.4,equalizer=f=11788.651743541806:g=-0.4,equalizer=f=11336.202877384472:g=-0.4,equalizer=f=10901.119014532051:g=-0.4,equalizer=f=10482.733685550458:g=-0.4,equalizer=f=10080.406000125797:g=-0.4,equalizer=f=9693.519665336817:g=-0.4,equalizer=f=9321.482041606178:g=-0.4,equalizer=f=8963.723234884175:g=-0.4,equalizer=f=8619.695223674737:g=-0.4,equalizer=f=8288.871019565895:g=-0.4,equalizer=f=7970.743859979441:g=-0.4,equalizer=f=7664.826431902562:g=-0.4,equalizer=f=7370.650125412990:g=-0.4,equalizer=f=7087.764315853595:g=-0.4,equalizer=f=6815.735673557399:g=-0.4,equalizer=f=6554.147500065165:g=-0.4,equalizer=f=6302.599089819104:g=-0.4,equalizer=f=6060.705116354743:g=-0.4,equalizer=f=5828.095042050793:g=-0.4,equalizer=f=5604.412550532827:g=-0.4,equalizer=f=5389.315000861326:g=-0.4,equalizer=f=5182.472902668021:g=-0.394052055589,equalizer=f=4983.569411436476:g=-0.386751590389,equalizer=f=4792.299843153906:g=-0.376185664074,equalizer=f=4608.371207590573:g=-0.362543760251,equalizer=f=4431.501759492006:g=-0.345993198097,equalizer=f=4261.420566996452:g=-0.330710126890,equalizer=f=4097.867096616487:g=-0.318503033191,equalizer=f=3940.590814149046:g=-0.309564283335,equalizer=f=3789.350800902538:g=-0.303741189604,equalizer=f=3643.915384653179:g=-0.300601888512,equalizer=f=3504.061784765236:g=-0.3,equalizer=f=3369.575770931567:g=-0.3,equalizer=f=3240.251335011708:g=-0.3,equalizer=f=3115.890375464830:g=-0.3,equalizer=f=2996.302393894170:g=-0.3,equalizer=f=2881.304203238093:g=-0.3,equalizer=f=2770.719647160795:g=-0.3,equalizer=f=2664.379330212802:g=-0.3,equalizer=f=2562.120358347913:g=-0.3,equalizer=f=2463.786089399117:g=-0.3,equalizer=f=2369.225893131248:g=-0.3,equalizer=f=2278.294920502843:g=-0.3,equalizer=f=2190.853881783698:g=-0.3,equalizer=f=2106.768833188346:g=-0.296437432785,equalizer=f=2025.910971698469:g=-0.290217913930,equalizer=f=1948.156437760116:g=-0.280922418484,equalizer=f=1873.386125553329:g=-0.268550946447,equalizer=f=1801.485500543704:g=-0.253103497820,equalizer=f=1732.344424036255:g=-0.235614749092,equalizer=f=1665.856984462975:g=-0.218076286078,equalizer=f=1601.921335145533:g=-0.200537822606,equalizer=f=1540.439538284674:g=-0.184632657170,equalizer=f=1481.317414937308:g=-0.168779161348,equalizer=f=1424.464400751469:g=-0.152925665153,equalizer=f=1369.793407238189:g=-0.137072168707,equalizer=f=1317.220688367753:g=-0.121218672255,equalizer=f=1266.665712285991:g=-0.105365175802,equalizer=f=1218.051037954117:g=-0.088396941462,equalizer=f=1171.302196523118:g=-0.070858476440,equalizer=f=1126.347577261013:g=-0.053320011417,equalizer=f=1083.118317858216:g=-0.034770724190,equalizer=f=1041.548198942992:g=-0.013200571808,equalizer=f=1001.573542645411:g=0.011445558081,equalizer=f=963.133115054414:g=0.039167665478,equalizer=f=926.168032418592:g=0.069965750383,equalizer=f=890.621670946974:g=0.103839812794,equalizer=f=856.439580071665:g=0.140789852714,equalizer=f=823.569399039473:g=0.180815870141,equalizer=f=791.960776704742:g=0.223158863450,equalizer=f=761.565294400547:g=0.266149082252,equalizer=f=732.336391770094:g=0.311823093692,equalizer=f=704.229295444710:g=0.360237839089,equalizer=f=677.200950459179:g=0.413174176689,equalizer=f=651.209954299352:g=0.471478099167,equalizer=f=626.216493481026:g=0.535493496953,equalizer=f=602.182282562909:g=0.606978871276,equalizer=f=579.070505500287:g=0.684199304160,equalizer=f=556.845759249530:g=0.767096732395,equalizer=f=535.473999537060:g=0.853776460170,equalizer=f=514.922488709709:g=0.943323717867,equalizer=f=495.159745586582:g=1.036571598687,equalizer=f=476.155497235608:g=1.135335711982,equalizer=f=457.880632600910:g=1.237175803242,equalizer=f=440.307157909949:g=1.342335109599,equalizer=f=423.408153792158:g=1.453088412615,equalizer=f=407.157734043353:g=1.569993670188,equalizer=f=391.531005972773:g=1.688508164136,equalizer=f=376.504032271996:g=1.808802987893,equalizer=f=362.053794347337:g=1.934465396527,equalizer=f=348.158157059540:g=2.065823830001,equalizer=f=334.795834816768:g=2.204891058267,equalizer=f=321.946358968944:g=2.352009664049,equalizer=f=309.590046453497:g=2.509552803849,equalizer=f=297.707969644483:g=2.678532979186,equalizer=f=286.281927358906:g=2.856115742576,equalizer=f=275.294416975809:g=3.041612670003,equalizer=f=264.728607625441:g=3.230723044219,equalizer=f=254.568314407418:g=3.422700948357,equalizer=f=244.797973598401:g=3.621312762050,equalizer=f=235.402618811295:g=3.826195809769,equalizer=f=226.367858069467:g=4.034154835453,equalizer=f=217.679851760848:g=4.246639157749,equalizer=f=209.325291438168:g=4.468048945659,equalizer=f=201.291379432825:g=4.698686666092,equalizer=f=193.565809251186:g=4.938552319047,equalizer=f=186.136746723276:g=5.187645904525,equalizer=f=178.992811874976:g=5.445967422525,equalizer=f=172.123061495972:g=5.712025685327,equalizer=f=165.516972376744:g=5.984236264250,equalizer=f=159.164425188922:g=6.258981796419,equalizer=f=153.055688984312:g=6.515823590632,equalizer=f=147.181406288853:g=6.777692051390,equalizer=f=141.532578768664:g=7.044587178695,equalizer=f=136.100553446236:g=7.314095599483,equalizer=f=130.877009445637:g=7.583605034445,equalizer=f=125.853945246444:g=7.853114469407,equalizer=f=121.023666426868:g=8.146285201135,equalizer=f=116.378773877299:g=8.444439101287,equalizer=f=111.912152466211:g=8.742593001439,equalizer=f=107.616960141075:g=9.042209423688,equalizer=f=103.486617447577:g=9.344900874707,equalizer=f=99.514797451091:g=9.650668303691,equalizer=f=95.695416044961:g=9.959511710641,equalizer=f=92.022622630759:g=10.271431095557,equalizer=f=88.490791156230:g=10.586541422511,equalizer=f=85.094511497198:g=10.906991735356,equalizer=f=81.828581170245:g=11.233594002758,equalizer=f=78.687997363448:g=11.556996378650,equalizer=f=75.667949272979:g=11.873211536187,equalizer=f=72.763810733831:g=12.194794278600,equalizer=f=69.971133133372:g=12.521192148224,equalizer=f=67.285638596875:g=12.846501740168,equalizer=f=64.703213434600:g=13.169127539473,equalizer=f=62.219901840358:g=13.492484068742,equalizer=f=59.831899831942:g=13.820346094285,equalizer=f=57.535549424116:g=14.145340590334,equalizer=f=55.327333025244:g=14.467659297988,equalizer=f=53.203868048980:g=14.789401139821,equalizer=f=51.161901732761:g=15.111142981226,equalizer=f=49.198306155165:g=15.437629968456,equalizer=f=47.310073444503:g=15.770860796927,equalizer=f=45.494311171305:g=16.104091624940,equalizer=f=43.748237917649:g=16.412536097232,equalizer=f=42.069179016527:g=16.579143834849,equalizer=f=40.454562454745:g=16.588876722789,equalizer=f=38.901914933067:g=16.461103901687,equalizer=f=37.408858077565:g=16.215674576171,equalizer=f=35.973104796389:g=15.850016386783,equalizer=f=34.592455776352:g=15.350234288456,equalizer=f=33.264796113983:g=14.615823142814,equalizer=f=31.988092075884:g=13.626809695512,equalizer=f=30.760387983412:g=12.332756508563,equalizer=f=29.579803216941:g=10.518513413063,equalizer=f=28.444529335092:g=8.346792732977,equalizer=f=27.352827304528:g=5.833681758551,equalizer=f=26.303024836072:g=3.097942665008,equalizer=f=25.293513823067:g=0.163604913582,equalizer=f=24.322747878043:g=-2.887748621210,equalizer=f=23.389239963935:g=-6.091081601564,equalizer=f=22.491560116216:g=-9.478973229620,equalizer=f=21.628333252442:g=-12.539218030638,equalizer=f=20.798237065887:g=-14.384804507659,equalizer=f=20:g=-15"
ffmpeg -i "File.wav" -af %eq% -c:a pcm_s24le out.wav


    


  • FFMPEG [h264_nvenc @ 0x56151389fe00] Cannot get the preset configuration : invalid version (15)

    22 avril 2018, par Netheme

    i have issue with ffmpeg as usual :D. I have FFMPEG compiled (version N-90807-g00099ef0d0) with NVIDIA support (latest CUDA and latest NV Headers) :

    ffmpeg version N-90807-g00099ef0d0 Copyright (c) 2000-2018 the FFmpeg developers
    
  built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
    
  configuration: --enable-libnpp --enable-cuda --enable-cuvid --enable-nvenc --extra-cflags=-I/usr/local/cuda/include --extra-ldflags=-L/usr/local/cuda/lib64 --enable-gpl --enable-libx264 --disable-x86asm --enable-libx265 --enable-libfdk-aac --enable-nonfree --enable-x86asm
    
  libavutil      56. 15.100 / 56. 15.100
    
  libavcodec     58. 19.100 / 58. 19.100
    
  libavformat    58. 13.100 / 58. 13.100
    
  libavdevice    58.  4.100 / 58.  4.100
    
  libavfilter     7. 19.100 /  7. 19.100
    
  libswscale      5.  2.100 /  5.  2.100
    
  libswresample   3.  2.100 /  3.  2.100
    
  libpostproc    55.  2.100 / 55.  2.100
    
Hyper fast Audio and Video encoder
    
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
    

    
Use -h to get full help or, even better, run 'man ffmpeg'

    When I try to run basic transcoding on GPU using command :

    ffmpeg -i 'udp://@239.100.0.1:331?fifo_size=‎100000000' -map i:0x100 -g 20 -vcodec  h264_nvenc -map i:0x101 -ab 128k -ar 48k -acodec aac -f mpegts udp://@239.0.0.1:1234?overrun_nonfatal_optin=

    I got this error :

        Input #0, mpegts, from 'udp://@239.100.0.1:331?fifo_size=‎100000000':
    
  Duration: N/A, start: 106.414400, bitrate: N/A
    
  Program 1 
    
    Metadata:
    
      service_name    : Service01
    
      service_provider: FFmpeg
    
    Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1920x1080, 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    
    Stream #0:1[0x101](eng): Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp, 64 kb/s
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_nvenc))
    
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    
Press [q] to stop, [?] for help
    
[h264 @ 0x55a5edc45880] co located POCs unavailable
    
[h264_nvenc @ 0x55a5edc45380] Cannot get the preset configuration: invalid version (15)
    
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
    
[aac @ 0x55a5edc46d40] Qavg: 227.785
    
[aac @ 0x55a5edc46d40] 2 frames left in the queue on closing

    I have same version of FFMPEG compiled by the same way on another testing machine and there it is working. I tried to recompile/reinstall ffmpeg with the latest version, but result is the same.

    Does someone know what could be wrong on my instance ?
    Thanks.

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