Recherche avancée

Médias (1)

Mot : - Tags -/MediaSPIP 0.2

Autres articles (68)

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

  • D’autres logiciels intéressants

    12 avril 2011, par

    On ne revendique pas d’être les seuls à faire ce que l’on fait ... et on ne revendique surtout pas d’être les meilleurs non plus ... Ce que l’on fait, on essaie juste de le faire bien, et de mieux en mieux...
    La liste suivante correspond à des logiciels qui tendent peu ou prou à faire comme MediaSPIP ou que MediaSPIP tente peu ou prou à faire pareil, peu importe ...
    On ne les connais pas, on ne les a pas essayé, mais vous pouvez peut être y jeter un coup d’oeil.
    Videopress
    Site Internet : (...)

  • Possibilité de déploiement en ferme

    12 avril 2011, par

    MediaSPIP peut être installé comme une ferme, avec un seul "noyau" hébergé sur un serveur dédié et utilisé par une multitude de sites différents.
    Cela permet, par exemple : de pouvoir partager les frais de mise en œuvre entre plusieurs projets / individus ; de pouvoir déployer rapidement une multitude de sites uniques ; d’éviter d’avoir à mettre l’ensemble des créations dans un fourre-tout numérique comme c’est le cas pour les grandes plate-formes tout public disséminées sur le (...)

Sur d’autres sites (8387)

  • Parsing SCTE-35 Data stream with FFMPEG

    7 avril 2023, par Alex Dube

    I'm trying to parse a data stream containing SCTE-35 info (or so I hope) coming from a .ts file obtained from a master .m3u8 playlist using FFMPEG.

    


    I'm using the following command to try and parse map the specific data stream to an outfile :

    


    ffmpeg -i https://stream-url/master/ts_file.ts -y -map 0:2 -c copy -copy_unknown -f data scte35data.bin


    


    My full error log as follows :

    


    ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
  built with Apple clang version 14.0.0 (clang-1400.0.29.202)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/5.1.2_3 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-neon
  libavutil      57. 28.100 / 57. 28.100
  libavcodec     59. 37.100 / 59. 37.100
  libavformat    59. 27.100 / 59. 27.100
  libavdevice    59.  7.100 / 59.  7.100
  libavfilter     8. 44.100 /  8. 44.100
  libswscale      6.  7.100 /  6.  7.100
  libswresample   4.  7.100 /  4.  7.100
  libpostproc    56.  6.100 / 56.  6.100
[mpegts @ 0x155f04080] start time for stream 2 is not set in estimate_timings_from_pts
Input #0, mpegts, from 'https://rcavlive.akamaized.net/hls/live/704025/xcanrdi/20230320T065736/master_2000/00012/master_2000_01207.ts':
  Duration: 00:00:08.00, start: 10442.033333, bitrate: 2282 kb/s
  Program 1 
  Stream #0:0[0x1e1]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 852x480 [SAR 1:1 DAR 71:40], Closed Captions, 30 fps, 30 tbr, 90k tbn
  Stream #0:1[0x1e2](fre): Audio: aac (LC) ([15][0][0][0] / 0x000F), 48000 Hz, stereo, fltp, 127 kb/s
  Stream #0:2[0x1f4]: Data: scte_35
  Stream #0:3[0x1f6]: Data: timed_id3 (ID3  / 0x20334449)
Output #0, data, to 'RecordingScripts/Tests/1.bin':
  Metadata:
    encoder         : Lavf59.27.100
  Stream #0:0: Data: scte_35
Stream mapping:
  Stream #0:2 -> #0:0 (copy)
Press [q] to stop, [?] for help
size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)


    


  • Checking if a video has a sound even if it has an audio codec ?

    19 janvier 2023, par Sreenivasan

    I am new to intermediate python and I am trying to find if a downloaded video has sound, every video I download has an audio codec but I want to get the decibel of sound that audio has in that particular video.

    


    For example, this 'FFmpeg' command line script allows me to get the full info :

    


    ffmpeg -hide_banner -i testvideo.mp4 -af volumedetect -vn -f null - 2>&1


    


    this yields the below result in my command prompt(windows user here with win 11)

    


    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'testvideo.mp4':

Metadata:

major_brand : mp42

minor_version : 0

compatible_brands: mp42mp41isomavc1

creation_time : 2022-04-12T23:21:45.000000Z

Duration: 00:00:40.58, start: 0.000000, bitrate: 4104 kb/s

Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x1080, 3846 kb/s, 29.97 fps, 29.97 tbr, 30k tbn (default)

Metadata:

creation_time : 2022-04-12T23:21:45.000000Z

handler_name : L-SMASH Video Handler

vendor_id : [0][0][0][0]

encoder : AVC Coding

Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 253 kb/s (default)

Metadata:

creation_time : 2022-04-12T23:21:45.000000Z

handler_name : L-SMASH Audio Handler

vendor_id : [0][0][0][0]

Stream mapping:

Stream #0:1 -> #0:0 (aac (native) -> pcm_s16le (native))

Press [q] to stop, [?] for help

Output #0, null, to 'pipe:':

Metadata:

major_brand : mp42

minor_version : 0

compatible_brands: mp42mp41isomavc1

encoder : Lavf59.35.100

Stream #0:0(und): Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s (default)

Metadata:

creation_time : 2022-04-12T23:21:45.000000Z

handler_name : L-SMASH Audio Handler

vendor_id : [0][0][0][0]

encoder : Lavc59.56.100 pcm_s16le

size=N/A time=00:00:40.55 bitrate=N/A speed=1.22e+03x

video:0kB audio:7608kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown

[Parsed_volumedetect_0 @ 0000026609be08c0] n_samples: 3895296

[Parsed_volumedetect_0 @ 0000026609be08c0] mean_volume: -91.0 dB

[Parsed_volumedetect_0 @ 0000026609be08c0] max_volume: -91.0 dB

[Parsed_volumedetect_0 @ 0000026609be08c0] histogram_91db: 3895296


    


    As you can see there are 'parsed_volumedetect' values with dB which has a mean value of -91 dB which means the audio has no sound, i.e., the video has audio but there is no sound.

    


    Now I am trying to do the same in python and I want to get just the mean volume value to be stored in a variable so that I can check if the video has any sound in it.

    


    I have seen the subprocess codes so far but when I try to run my code in VS-Code - python 3.11 :

    


    import subprocess    
result = subprocess.run(["ffmpeg", "-hide_banner", "-af", "volumedetect", "-vn", "-f", "null", "testvideo1.mp4"],
    stdout=subprocess.PIPE,
    stderr=subprocess.STDOUT,
    shell=True)
    print(result.stdout)


    


    It says that :

    


    PS C:\Users\balaj\OneDrive\Documents\Programming language\python files> c:; cd 'c:\Users\balaj\OneDrive\Documents\Programming language\python files'; & 'C:\Python311\python.exe' 'c:\Users\balaj\.vscode\extensions\ms-python.python-2022.20.2\pythonFiles\lib\python\debugpy\adapter/../..\debugpy\launcher' '51760' '--' 'c:\Users\balaj\OneDrive\Documents\Programming language\python files\devproject\sample.py'

b"Output #0, null, to 'testvideo1.mp4':\r\nOutput file #0 does not contain any stream\r\n"


    


    Any help is much appreciated. Sorry for the long post... TIA !!!

    


    Just a quick update :
The result is the same for video files that have sound(I tested in VLC) and don't have sound.

    


    Another update :
I have changed the subprocess.runcode to the exact same as I called in the cmd windows :

    


    result = subprocess.run(["ffmpeg", "-hide_banner","-i","testvideo-sound.mp4", "-af", "volumedetect", "-vn", "-f", "null", "-2>&1"]


    


    Now the result is this :

    


    b'The handle could not be duplicated\r\nduring redirection of handle 1.\r\n'


    


  • why would ffmpeg rotate 2nd video on concatenation when I don't want it to or seemingly ask for it ?

    10 janvier 2023, par Pompey Magnus

    here is the command I run :

    


    ffmpeg -f concat -an -i ./files.txt ztestout.mp4


    


    I have about 5 videos, but just to test I did with two.
the 2nd video gets flipped upside down, even though opening each video in VLC opens and plays them correctly.

    


    Any ideas why it would do that ? Is the metadata wrong in the video ? I took all the videos I'm trying to concat with the same android phone.

    


    output below, and I noticed its says rotation zero degrees :

    


    ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
  built with Apple clang version 14.0.0 (clang-1400.0.29.102)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/5.1.2 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-neon
  libavutil      57. 28.100 / 57. 28.100
  libavcodec     59. 37.100 / 59. 37.100
  libavformat    59. 27.100 / 59. 27.100
  libavdevice    59.  7.100 / 59.  7.100
  libavfilter     8. 44.100 /  8. 44.100
  libswscale      6.  7.100 /  6.  7.100
  libswresample   4.  7.100 /  4.  7.100
  libpostproc    56.  6.100 / 56.  6.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x138804730] Auto-inserting h264_mp4toannexb bitstream filter
Input #0, concat, from './files.txt':
  Duration: N/A, start: 0.000000, bitrate: 17255 kb/s
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, smpte170m, progressive), 1920x1080, 16999 kb/s, SAR 1:1 DAR 16:9, 30.01 fps, 30 tbr, 90k tbn
    Metadata:
      creation_time   : 2023-01-08T13:32:50.000000Z
      handler_name    : VideoHandle
      vendor_id       : [0][0][0][0]
    Side data:
      displaymatrix: rotation of -180.00 degrees
  Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 256 kb/s
    Metadata:
      creation_time   : 2023-01-08T13:32:50.000000Z
      handler_name    : SoundHandle
      vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x137f07fe0] using SAR=1/1
[libx264 @ 0x137f07fe0] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x137f07fe0] profile High, level 4.0, 4:2:0, 8-bit
[libx264 @ 0x137f07fe0] 264 - core 164 r3095 baee400 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - 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=15 lookahead_threads=2 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 'ztestout.mp4':
  Metadata:
    encoder         : Lavf59.27.100
  Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuvj420p(pc, smpte170m, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 30 fps, 15360 tbn
    Metadata:
      creation_time   : 2023-01-08T13:32:50.000000Z
      handler_name    : VideoHandle
      vendor_id       : [0][0][0][0]
      encoder         : Lavc59.37.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
      displaymatrix: rotation of -0.00 degrees
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x138904b40] Auto-inserting h264_mp4toannexb bitstream filterdrop=20 speed=3.67x    
frame=74497 fps=109 q=-1.0 Lsize= 1740353kB time=00:41:23.13 bitrate=5741.5kbits/s dup=0 drop=25 speed=3.64x    
video:1739531kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.047236%
[libx264 @ 0x137f07fe0] frame I:300   Avg QP:20.73  size:294110
[libx264 @ 0x137f07fe0] frame P:29265 Avg QP:23.65  size: 45500
[libx264 @ 0x137f07fe0] frame B:44932 Avg QP:27.95  size:  8045
[libx264 @ 0x137f07fe0] consecutive B-frames: 19.4%  0.4%  0.7% 79.5%
[libx264 @ 0x137f07fe0] mb I  I16..4:  5.5% 43.8% 50.7%
[libx264 @ 0x137f07fe0] mb P  I16..4:  0.2%  0.9%  0.7%  P16..4: 36.9% 13.9% 10.8%  0.0%  0.0%    skip:36.6%
[libx264 @ 0x137f07fe0] mb B  I16..4:  0.0%  0.1%  0.1%  B16..8: 30.0%  3.0%  1.3%  direct: 1.1%  skip:64.3%  L0:38.1% L1:55.8% BI: 6.1%
[libx264 @ 0x137f07fe0] 8x8 transform intra:49.7% inter:45.0%
[libx264 @ 0x137f07fe0] coded y,uvDC,uvAC intra: 84.0% 82.3% 41.9% inter: 12.8% 10.8% 0.5%
[libx264 @ 0x137f07fe0] i16 v,h,dc,p: 30% 17%  8% 45%
[libx264 @ 0x137f07fe0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 25% 12%  4%  7%  7% 12%  7%  8%
[libx264 @ 0x137f07fe0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 21% 25% 12%  5%  7%  7% 10%  6%  8%
[libx264 @ 0x137f07fe0] i8c dc,h,v,p: 47% 22% 22%  9%
[libx264 @ 0x137f07fe0] Weighted P-Frames: Y:0.3% UV:0.0%
[libx264 @ 0x137f07fe0] ref P L0: 70.3% 10.7% 13.9%  5.0%  0.0%
[libx264 @ 0x137f07fe0] ref B L0: 91.8%  6.2%  2.0%
[libx264 @ 0x137f07fe0] ref B L1: 95.7%  4.3%
[libx264 @ 0x137f07fe0] kb/s:5738.58


    


Navigation