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Autres articles (92)
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Pas question de marché, de cloud etc...
10 avril 2011Le vocabulaire utilisé sur ce site essaie d’éviter toute référence à la mode qui fleurit allègrement
sur le web 2.0 et dans les entreprises qui en vivent.
Vous êtes donc invité à bannir l’utilisation des termes "Brand", "Cloud", "Marché" etc...
Notre motivation est avant tout de créer un outil simple, accessible à pour tout le monde, favorisant
le partage de créations sur Internet et permettant aux auteurs de garder une autonomie optimale.
Aucun "contrat Gold ou Premium" n’est donc prévu, aucun (...) -
Automated installation script of MediaSPIP
25 avril 2011, parTo overcome the difficulties mainly due to the installation of server side software dependencies, an "all-in-one" installation script written in bash was created to facilitate this step on a server with a compatible Linux distribution.
You must have access to your server via SSH and a root account to use it, which will install the dependencies. Contact your provider if you do not have that.
The documentation of the use of this installation script is available here.
The code of this (...) -
Support audio et vidéo HTML5
10 avril 2011MediaSPIP 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.
Le lecteur HTML5 utilisé a été spécifiquement créé pour MediaSPIP : il est complètement modifiable graphiquement pour correspondre à un thème choisi.
Ces technologies permettent de distribuer vidéo et son à la fois sur des ordinateurs conventionnels (...)
Sur d’autres sites (12190)
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ffplay how to play interlaced yuv file
16 février 2015, par Balamurugan AI am playing an interlaced output yuv with ffmpeg and seeing the output is stuttering.
ffplay -v info -f rawvideo -pixel_format nv12 -video_size 720x480 data/yuvframes.yuv
Can anyone please let me know the exact syntax for playing it properly ?
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unable to play downloaded .ts video files
29 mai 2021, par nishi have downloaded a ts video file from m3u8 index file with the help of this python script


import requests
import m3u8
url1 = "url of the m3u8 file"
r = requests.get(url1)
master_m3u8 = m3u8.loads(r.text)

preurl = "preurl of the m3u8 file "

url2 = preurl + master_m3u8.data["playlists"][2]["uri"]
r2 = requests.get(url2)
sub_m3u8_file = m3u8.loads(r2.text)


with open("philosophy_intro.ts","wb") as f:
 for segment in sub_m3u8_file.data["segments"]:
 url = preurl + segment["uri"]
 res = requests.get(url)
 f.write(res.content)



and this is what segments of the playlists look like
playlists segments


video of the size 800mb is being downloaded but it dosen't play in any media player in my computer also when i try to convert it to mp4 with moviepy script


import moviepy.editor as moviepy
clip = moviepy.VideoFileClip("philosophy_intro.ts")
clip.write_videofile("philosophy_intro.mp4")



it says failed to read the duration of the video file,whats the problem


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gstreamer vaapih264enc generated ts segment dont play on AVPlayer
21 juin 2022, par Guru GovindanI have a pipeline that transcodes an rtsp stream into hls segments. The manifest is playable in browsers(with hlsjs) and ffplay and VLC. However when I play the stream or individual ts segments in Quicktime player or my IOS App that uses avplayer, it doesnt work.


This seems to be an issue only with
vaapih264enc
. When I try the same with software encode likex264enc
it works fine.

The following is a simple pipeline where this is reproducible.


GST_DEBUG=3 gst-launch-1.0 rtspsrc location='rtsp://user:pass@10.10.10.12:554/' name=rtpsrc0 \
 rtpsrc0. ! rtph264depay ! queue ! decodebin ! vaapih264enc ! mpegtsmux name=mux ! filesink location=mymux.ts \
 rtpsrc0. ! decodebin ! queue ! fdkaacenc ! mux.



when I run the following command to copy the encoded stream as is from the generated ts segment it works


ffmpeg -i mymux.ts -c copy mymux_ffmpeg.ts



Is the ffmpeg adding some additional header information that the quicktime player is happy with ?


I appreciate any help with this.