
Recherche avancée
Autres articles (8)
-
Les images
15 mai 2013 -
MediaSPIP 0.1 Beta version
25 avril 2011, parMediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
The zip file provided here only contains the sources of MediaSPIP in its standalone version.
To get a working installation, you must manually install all-software dependencies on the server.
If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...) -
Déploiements possibles
31 janvier 2010, parDeux types de déploiements sont envisageable dépendant de deux aspects : La méthode d’installation envisagée (en standalone ou en ferme) ; Le nombre d’encodages journaliers et la fréquentation envisagés ;
L’encodage de vidéos est un processus lourd consommant énormément de ressources système (CPU et RAM), il est nécessaire de prendre tout cela en considération. Ce système n’est donc possible que sur un ou plusieurs serveurs dédiés.
Version mono serveur
La version mono serveur consiste à n’utiliser qu’une (...)
Sur d’autres sites (2985)
-
Cannot extract audio tracks from video using ffmpeg
29 juillet 2021, par MentosI tried to extract and transcode audio tracks from video, but I got an error :
Filter split:output1 has an unconnected output
. How to fix this problem ?

ffmpeg command :


ffmpeg -i video.mp4 -filter_complex [0]split=2[s0][s1] -map [s0] -c:a aac -dn -map -0:v? -map 0:1 -map_chapters -1 -map_metadata -1 -sn video-0.aac -map [s1] -ac 2 -c:a aac -dn -map -0:v? -map 0:2 -map_chapters -1 -map_metadata -1 -sn video-1.aac -y



fprobe full output (strip information about chapters) :


Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
 Metadata:
 major_brand : isom
 minor_version : 512
 compatible_brands: isomiso2avc1mp41
 title : SomeTitle
 encoder : Lavf58.45.100
 Duration: 00:21:35.58, start: 0.000000, bitrate: 10591 kb/s
 Chapters:
 Chapter #0:0: start 0.000000, end 70.000000
 Metadata:
 title : Chapter 1
...
...
 Chapter #0:20: start 1278.000000, end 1295.584000
 Metadata:
 title : Last Chapter
 Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 9754 kb/s, 23.98 fps, 23.98 tbr, 16k tbn, 47.95 tbc (default)
 Metadata:
 handler_name : VideoHandler
 vendor_id : [0][0][0][0]
 Stream #0:1(rus): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, stereo, fltp, 192 kb/s (default)
 Metadata:
 handler_name : SoundHandler
 vendor_id : [0][0][0][0]
 Side data:
 audio service type: main
 Stream #0:2(eng): Audio: eac3 (ec-3 / 0x332D6365), 48000 Hz, 5.1(side), fltp, 640 kb/s
 Metadata:
 handler_name : SoundHandler
 vendor_id : [0][0][0][0]
 Side data:
 audio service type: main
 Stream #0:3(eng): Data: bin_data (text / 0x74786574), 0 kb/s
 Metadata:
 handler_name : SubtitleHandler



-
Can ffmpeg get rtp/h264 source at soket, unpack and send upd/264 ?
28 février 2023, par Savely LIVEOne service publish rtp/h264 video. Exterlan player utility wait for h264 stream without rtp packing. Ffmpeg can connect to first side, unpack h264 from rtp and send it as stream to second side ? Need low latency..


no try now.. its first step - get information


-
How to append datetime to ffmpeg log
30 juin 2021, par verbI wonder if there is a way to prefix every record in my ffmpeg log with date and time. I would like to add at least time when the record has been written. Part of my log :


[mpegts @ 0x5e11d40] [verbose] service 1 using PCR in pid=256, pcr_period=20ms
[mpegts @ 0x5e11d40] [verbose] muxrate 16000000, sdt every 500 ms, pat/pmt every 100 ms