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Le plugin : Gestion de la mutualisation
2 mars 2010, parLe plugin de Gestion de mutualisation permet de gérer les différents canaux de mediaspip depuis un site maître. Il a pour but de fournir une solution pure SPIP afin de remplacer cette ancienne solution.
Installation basique
On installe les fichiers de SPIP sur le serveur.
On ajoute ensuite le plugin "mutualisation" à la racine du site comme décrit ici.
On customise le fichier mes_options.php central comme on le souhaite. Voilà pour l’exemple celui de la plateforme mediaspip.net :
< ?php (...) -
Installation en mode ferme
4 février 2011, parLe mode ferme permet d’héberger plusieurs sites de type MediaSPIP en n’installant qu’une seule fois son noyau fonctionnel.
C’est la méthode que nous utilisons sur cette même plateforme.
L’utilisation en mode ferme nécessite de connaïtre un peu le mécanisme de SPIP contrairement à la version standalone qui ne nécessite pas réellement de connaissances spécifique puisque l’espace privé habituel de SPIP n’est plus utilisé.
Dans un premier temps, vous devez avoir installé les mêmes fichiers que l’installation (...) -
Formulaire personnalisable
21 juin 2013, parCette page présente les champs disponibles dans le formulaire de publication d’un média et il indique les différents champs qu’on peut ajouter. Formulaire de création d’un Media
Dans le cas d’un document de type média, les champs proposés par défaut sont : Texte Activer/Désactiver le forum ( on peut désactiver l’invite au commentaire pour chaque article ) Licence Ajout/suppression d’auteurs Tags
On peut modifier ce formulaire dans la partie :
Administration > Configuration des masques de formulaire. (...)
Sur d’autres sites (8287)
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FFmpeg psycho-visual options - psy-rdoq
7 avril 2020, par SLVRI'm new to encoding and I like to do my encodings in x265 10bit. Currently, I'm facing a little issue with ffmpeg. I noticed when I'm using libx265 encoder output file looks a little bit blurred or small detail loss. Code I used to do my encodes is



ffmpeg -i input.mp4 -c:v libx265 -preset medium -crf 22 -pix_fmt yuv420p10le -c:a copy -y output-x26510bit.mkv



I've found out psycho-visual options might help in this case. I modified my code in to



ffmpeg -i input.mp4 -c:v libx265 -preset medium -crf 22 -pix_fmt yuv420p10le -psy-rd 2 -psy-rdoq 4 --rdoq-level 1 -c:a copy -y output-x26510bit.mkv



When I issue the above command, I get an error code



C:\Users\abc\Desktop\1>ffmpeg -i input.mp4 -c:v libx265 -preset medium -crf 22 -pix_fmt yuv420p10le -psy-rd 2 -psy-rdoq
 4 -rdoq-level 1 -c:a copy -y output-x26510bit.mkv
ffmpeg version git-2020-04-03-52523b6 Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 9.3.1 (GCC) 20200328
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enabl
e-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enab
le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enabl
e-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --
enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-l
ibvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom
--enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --en
able-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 42.102 / 56. 42.102
 libavcodec 58. 77.101 / 58. 77.101
 libavformat 58. 42.100 / 58. 42.100
 libavdevice 58. 9.103 / 58. 9.103
 libavfilter 7. 77.101 / 7. 77.101
 libswscale 5. 6.101 / 5. 6.101
 libswresample 3. 6.100 / 3. 6.100
 libpostproc 55. 6.100 / 55. 6.100
Unrecognized option 'psy-rdoq'.
Error splitting the argument list: Option not found



How do I solve this issue


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VLC Player shows broken HLS stream with 4k HDR10 mkv
8 avril 2023, par goodkid38I am trying to convert a 4k mkv to an HLS stream but I am not having any luck. I have tried a few ffmpeg commands to try and fix the issue but none have worked. Here are the commands I have tried.


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- Basic copy command :




ffmpeg -i "video.mkv" -c copy -f hls "plexTemp/out.m3u8"

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- Command used to see if it was an HDR color issue :




ffmpeg -i "video.mkv" -c copy -pix_fmt yuv420p10le -f hls "plexTemp/out.m3u8"
3. Command used to revert to 8 bit color :

ffmpeg -i "video.mkv" -c copy -pix_fmt yuv420p -f hls "plexTemp/out.m3u8"

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- I tried removing extra streams and just focusing on audio and video :




ffmpeg -i "out.mkv" -map 0:v:0 -map 0:a:1 -c copy -pix_fmt yuv420p10le -f hls "plexTemp/out.m3u8"

I also saw these warnings when running each command.
Stream HEVC is not hvc1, you should use tag:v hvc1 to set it.
And this

[matroska,webm @ 000001d7921803c0] Stream #12: not enough frames to estimate rate; consider increasing probesize
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 6 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 7 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 8 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 9 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 10 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
[matroska,webm @ 000001d7921803c0] Could not find codec parameters for stream 11 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options


So I tried increasing the
analyzedurationandprobesizeand adding the tag like so :
ffmpeg -analyzeduration 10000000 -probesize 10000000 -i "out.mkv" -c copy -tag:v hvc1 -f hls "plexTemp/out.m3u8"

To no avail. Here is what the output looks like on VLC. It's mostly black with a few lines of color that randomly change.


On my TV I see this :




One thing I see that stands out in ffmpegs output is this :


[hls @ 00000207239a9ec0] Opening 'plexTemp/out0.ts' for writing7 bitrate= -0.0kbits/s speed=N/A
[hls @ 00000207239a9ec0] Opening 'plexTemp/out.m3u8.tmp' for writing


Here is the audio and video info on the mkv :


General
Unique ID : 92280908398971492516286250889389584022 (0x456CA80EF29B1357B572719D6EC4AE96)
Complete name : I:\video.mkv
Format : Matroska
Format version : Version 2
File size : 49.4 GiB
Duration : 1 h 39 min
Overall bit rate mode : Variable
Overall bit rate : 71.2 Mb/s
Frame rate : 23.976 FPS
Movie name : video
Encoded date : 2023-04-06 22:39:53 UTC
Writing application : MakeMKV v1.16.7 win(x64-release)
Writing library : libmakemkv v1.16.7 (1.3.10/1.5.2) win(x64-release)
Cover : Yes
Attachments : cover.jpg

Video
ID : 1
ID in the original source medium : 4113 (0x1011)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
HDR format : SMPTE ST 2086, HDR10 compatible
Codec ID : V_MPEGH/ISO/HEVC
Duration : 1 h 39 min
Bit rate : 63.6 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.320
Stream size : 44.1 GiB (89%)
Writing library : ATEME Titan File 3.9.6 (4.9.6.2) 
Language : English
Default : No
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : Display P3
Mastering display luminance : min: 0.0050 cd/m2, max: 1000 cd/m2
Maximum Content Light Level : 1000 cd/m2
Maximum Frame-Average Light Level : 140 cd/m2
Original source medium : Blu-ray

Audio #1
ID : 2
ID in the original source medium : 4352 (0x1100)
Format : DTS XLL X
Format/Info : Digital Theater Systems
Commercial name : DTS:X
Codec ID : A_DTS
Duration : 1 h 39 min
Bit rate mode : Variable
Bit rate : 4 174 kb/s
Channel(s) : 8 channels
Channel layout : C L R LFE Lb Rb Lss Rss
Sampling rate : 48.0 kHz
Frame rate : 93.750 FPS (512 SPF)
Bit depth : 24 bits
Stream size : 2.89 GiB (6%)
Title : Surround 7.1
Language : English
Default : Yes
Forced : No
Original source medium : Blu-ray
Here is information on the HLS output:
General
Complete name : I:\out.m3u8
Format : HLS
Format profile : Media
File size : 67.4 MiB
Duration : 8 s 138 ms
Overall bit rate mode : Variable
Overall bit rate : 69.4 Mb/s
Frame rate : 23.976 FPS


And my
Here is the output of my HLS stream :


Video
ID : 256 (0x100)
Menu ID : 1 (0x1)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
HDR format : SMPTE ST 2086, HDR10 compatible
Muxing mode : MPEG-TS
Codec ID : 36
Duration : 8 s 49 ms
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Writing library : ATEME Titan File 3.9.6 (4.9.6.2) 
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : Display P3
Mastering display luminance : min: 0.0050 cd/m2, max: 1000 cd/m2
Maximum Content Light Level : 1000 cd/m2
Maximum Frame-Average Light Level : 140 cd/m2
Source : out92.ts

Audio
ID : 257 (0x101)
Menu ID : 1 (0x1)
Format : DTS XLL X
Format/Info : Digital Theater Systems
Commercial name : DTS:X
Muxing mode : MPEG-TS
Codec ID : 130
Duration : 8 s 138 ms
Bit rate mode : Variable
Channel(s) : 8 channels
Channel layout : C L R LFE Lb Rb Lss Rss
Sampling rate : 48.0 kHz
Frame rate : 93.750 FPS (512 SPF)
Bit depth : 24 bits
Delay relative to video : -125 ms
Language : English
Source : out92.ts


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Unable to open audio file on Heroku using Librosa
15 mars 2020, par Rohan BojjaI have a feature extraction REST API written in Python using the Librosa library (Extracting audio features), it receives an audio file through HTTP POST and responds with a list of features(such as MFCC,etc).
Since librosa depends on SoundFile (libsndfile1 / libsndfile-dev), it doesn’t support all the formats, I’m converting the audio file using ffmpeg-python wrapper (https://kkroening.github.io/ffmpeg-python/) .
It works just fine on my Windows 10 machine with Conda, but when I deploy it on Heroku, the librosa.load() functions returns an unknown format error, no matter what format I convert it to. I have tried FLAC, AIFF and WAV.
My first guess is that the converted format isn’t supported by libsndfile1, but it works on my local server (plus, their documentation says AIFF and WAV are supported), so I’m a little lost.
I have attached all the relevant snippets of code below, I can provide anything extra if necessary. Any help is highly appreciated. Thanks.
UPDATE1 :
I am using pipes instead of writing and reading from disk, worth a mention as the question could be misleading otherwise.
The log :
File "/app/app.py", line 31, in upload
x , sr = librosa.load(audioFile,mono=True,duration=5)
File "/app/.heroku/python/lib/python3.6/site-packages/librosa/core/audio.py", line 164, in load
six.reraise(*sys.exc_info())
File "/app/.heroku/python/lib/python3.6/site-packages/six.py", line 703, in reraise
raise value
File "/app/.heroku/python/lib/python3.6/site-packages/librosa/core/audio.py", line 129, in load
with sf.SoundFile(path) as sf_desc:
File "/app/.heroku/python/lib/python3.6/site-packages/soundfile.py", line 629, in __init__
self._file = self._open(file, mode_int, closefd)
File "/app/.heroku/python/lib/python3.6/site-packages/soundfile.py", line 1184, in _open
"Error opening {0!r}: ".format(self.name))
File "/app/.heroku/python/lib/python3.6/site-packages/soundfile.py", line 1357, in _error_check
raise RuntimeError(prefix + _ffi.string(err_str).decode('utf-8', 'replace'))
RuntimeError: Error opening <_io.BytesIO object at 0x7f46ad28beb8>: File contains data in an unknown format.
10.69.244.94 - - [15/Mar/2020:12:37:28 +0000] "POST /receiveWav HTTP/1.1" 500 290 "-" "curl/7.55.1"Flask/Librosa code deployed on Heroku (app.py) :
from flask import Flask, jsonify, request
import scipy.optimize
import os,pickle
import numpy as np
from sklearn.preprocessing import StandardScaler
import librosa
import logging
import soundfile as sf
from pydub import AudioSegment
import subprocess as sp
import ffmpeg
from io import BytesIO
logging.basicConfig(level=logging.DEBUG)
app = Flask(__name__)
@app.route('/receiveWav',methods = ['POST'])
def upload():
if(request.method == 'POST'):
f = request.files['file']
app.logger.info(f'AUDIO FORMAT\n\n\n\n\n\n\n\n\n\n: {f}')
proc = (
ffmpeg.input('pipe:')
.output('pipe:', format='aiff')
.run_async(pipe_stdin=True,pipe_stdout=True, pipe_stderr=True)
)
audioFile,err = proc.communicate(input=f.read())
audioFile = BytesIO(audioFile)
scaler = pickle.load(open("scaler.ok","rb"))
x , sr = librosa.load(audioFile,mono=True,duration=5)
y=x
#Extract the features
chroma_stft = librosa.feature.chroma_stft(y=y, sr=sr)
spec_cent = librosa.feature.spectral_centroid(y=y, sr=sr)
spec_bw = librosa.feature.spectral_bandwidth(y=y, sr=sr)
rolloff = librosa.feature.spectral_rolloff(y=y, sr=sr)
zcr = librosa.feature.zero_crossing_rate(y)
rmse = librosa.feature.rms(y=y)
mfcc = librosa.feature.mfcc(y=y, sr=sr)
features = f'{np.mean(chroma_stft)} {np.mean(rmse)} {np.mean(spec_cent)} {np.mean(spec_bw)} {np.mean(rolloff)} {np.mean(zcr)}'
for e in mfcc:
features += f' {np.mean(e)}'
input_data2 = np.array([float(i) for i in features.split(" ")]).reshape(1,-1)
input_data2 = scaler.transform(input_data2)
return jsonify(input_data2.tolist())
# driver function
if __name__ == '__main__':
app.run(debug = True)Aptfile :
libsndfile1
libsndfile-dev
libav-tools
libavcodec-extra-53
libavcodec-extra-53
ffmpegrequirements.txt :
aniso8601==8.0.0
audioread==2.1.8
certifi==2019.11.28
cffi==1.14.0
Click==7.0
decorator==4.4.2
ffmpeg-python==0.2.0
Flask==1.1.1
Flask-RESTful==0.3.8
future==0.18.2
gunicorn==20.0.4
itsdangerous==1.1.0
Jinja2==2.11.1
joblib==0.14.1
librosa==0.7.2
llvmlite==0.31.0
MarkupSafe==1.1.1
marshmallow==3.2.2
numba==0.48.0
numpy==1.18.1
pycparser==2.20
pydub==0.23.1
pytz==2019.3
resampy==0.2.2
scikit-learn==0.22.2.post1
scipy==1.4.1
six==1.14.0
SoundFile==0.10.3.post1
Werkzeug==1.0.0
wincertstore==0.2
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