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Autres articles (14)
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Les tâches Cron régulières de la ferme
1er décembre 2010, parLa gestion de la ferme passe par l’exécution à intervalle régulier de plusieurs tâches répétitives dites Cron.
Le super Cron (gestion_mutu_super_cron)
Cette tâche, planifiée chaque minute, a pour simple effet d’appeler le Cron de l’ensemble des instances de la mutualisation régulièrement. Couplée avec un Cron système sur le site central de la mutualisation, cela permet de simplement générer des visites régulières sur les différents sites et éviter que les tâches des sites peu visités soient trop (...) -
HTML5 audio and video support
13 avril 2011, parMediaSPIP uses HTML5 video and audio tags to play multimedia files, taking advantage of the latest W3C innovations supported by modern browsers.
The MediaSPIP player used has been created specifically for MediaSPIP and can be easily adapted to fit in with a specific theme.
For older browsers the Flowplayer flash fallback is used.
MediaSPIP allows for media playback on major mobile platforms with the above (...) -
Ajouter des informations spécifiques aux utilisateurs et autres modifications de comportement liées aux auteurs
12 avril 2011, parLa manière la plus simple d’ajouter des informations aux auteurs est d’installer le plugin Inscription3. Il permet également de modifier certains comportements liés aux utilisateurs (référez-vous à sa documentation pour plus d’informations).
Il est également possible d’ajouter des champs aux auteurs en installant les plugins champs extras 2 et Interface pour champs extras.
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Artifact while streaming multicast with ffmpeg
17 août 2018, par NicosmikLocally, from my windows machine with ffmpeg 3.3.2 from Zeranoe
ffmpeg version 3.2.2 Copyright (c) 2003-2016 the FFmpeg developers
built with gcc 5.4.0 (GCC)
configuration : —enable-gpl
—enable-version3 —enable-dxva2 —enable-libmfx —enable-nvenc —enable-avisynth —enable-bzlib —enable-fontconfig —enable-frei0r —enable-gnutls —enable-iconv —enable-libass —enable-libbluray —enable-libbs2b —enable-libcaca —enable-libfreetype —enable-libgme —enable-libgsm —enable-libilbc —enable-libmodplug —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenh264 —enable-libopenjpeg —enable-libopus —enable-librtmp —enable-libsnappy —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libtwolame —enable-libvidstab —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-zlibServer side
Launch udp multicast streaming.
ffmpeg -re -i video.ts -an -f mpegts -c copy udp://224.1.1.1:5000Client side
Playing with ffplay is correct, no artifacts displayed
ffplay udp://224.1.1.1:5000Playing after decoding cause artifacts
ffmpeg -i udp://224.1.1.1:5000 -pix_fmt gray -f avi - | ffplay -or
ffmpeg -f mpegts -i udp://224.1.1.1:5000 -pix_fmt gray -c:v rawvideo -f avi out.aviDoes someone has an explanation ?
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aarch64 : hevc : Produce epel_uni_w_hv functions for both neon and i8mm
20 mars 2024, par Martin Storsjöaarch64 : hevc : Produce epel_uni_w_hv functions for both neon and i8mm
AWS Graviton 3 :
put_hevc_epel_uni_w_hv4_8_c : 191.2
put_hevc_epel_uni_w_hv4_8_neon : 87.7
put_hevc_epel_uni_w_hv4_8_i8mm : 83.2
put_hevc_epel_uni_w_hv6_8_c : 349.5
put_hevc_epel_uni_w_hv6_8_neon : 153.0
put_hevc_epel_uni_w_hv6_8_i8mm : 148.5
put_hevc_epel_uni_w_hv8_8_c : 581.2
put_hevc_epel_uni_w_hv8_8_neon : 166.7
put_hevc_epel_uni_w_hv8_8_i8mm : 163.5
put_hevc_epel_uni_w_hv12_8_c : 1230.0
put_hevc_epel_uni_w_hv12_8_neon : 387.7
put_hevc_epel_uni_w_hv12_8_i8mm : 370.2
put_hevc_epel_uni_w_hv16_8_c : 2003.2
put_hevc_epel_uni_w_hv16_8_neon : 501.5
put_hevc_epel_uni_w_hv16_8_i8mm : 490.2
put_hevc_epel_uni_w_hv24_8_c : 4448.7
put_hevc_epel_uni_w_hv24_8_neon : 1092.2
put_hevc_epel_uni_w_hv24_8_i8mm : 1069.7
put_hevc_epel_uni_w_hv32_8_c : 7817.2
put_hevc_epel_uni_w_hv32_8_neon : 1916.2
put_hevc_epel_uni_w_hv32_8_i8mm : 1829.5
put_hevc_epel_uni_w_hv48_8_c : 16728.2
put_hevc_epel_uni_w_hv48_8_neon : 4263.7
put_hevc_epel_uni_w_hv48_8_i8mm : 4342.7
put_hevc_epel_uni_w_hv64_8_c : 29563.2
put_hevc_epel_uni_w_hv64_8_neon : 7474.2
put_hevc_epel_uni_w_hv64_8_i8mm : 7128.5Signed-off-by : Martin Storsjö <martin@martin.st>
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Animated line chart with pandas, matplotlib and ffmpeg
10 avril 2020, par Mark KIn producing an animated line chart, I have below data and codes.



But when the chart produced, it shows no line. What did I do wrong ?



Thank you.



import numpy as np
import pandas as pd
import seaborn as sns
import matplotlib
import matplotlib.pyplot as plt
import matplotlib.animation as animation

title = 'Heroin Overdoses'

data = {'Year' : ["1999","2000","2001","2002","2003","2004","2005","2006","2007","2008","2009","2010","2011","2012","2013","2014","2015","2016"], 
'Heroin Overdoses' : [280,443,413,486,475,148,197,170,448,103,137,160,483,356,352,300,466,278]}
overdose = pd.DataFrame(data)

Writer = animation.writers['ffmpeg']
writer = Writer(fps=20, metadata=dict(artist='Me'), bitrate=1800)

fig = plt.figure(figsize=(10,6))
plt.xlim(1999, 2016)
plt.ylim(np.min(overdose)[0], np.max(overdose)[0])
plt.xlabel('Year',fontsize=20)
plt.ylabel(title,fontsize=20)
plt.title('Heroin Overdoses per Year',fontsize=20)

def animate(i):
 data = overdose.iloc[:int(i+1)] #select data range
 p = sns.lineplot(x=data.index, y=data[title], data=data, color="r")
 p.tick_params(labelsize=17)
 plt.setp(p.lines,linewidth=7)

ani = matplotlib.animation.FuncAnimation(fig, animate, frames=17, repeat=True)

ani.save('C:\\folder\\line chart.mp4', writer=writer)


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