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Médias (1)
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Bug de détection d’ogg
22 mars 2013, par
Mis à jour : Avril 2013
Langue : français
Type : Video
Autres articles (54)
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Qu’est ce qu’un masque de formulaire
13 juin 2013, parUn masque de formulaire consiste en la personnalisation du formulaire de mise en ligne des médias, rubriques, actualités, éditoriaux et liens vers des sites.
Chaque formulaire de publication d’objet peut donc être personnalisé.
Pour accéder à la personnalisation des champs de formulaires, il est nécessaire d’aller dans l’administration de votre MediaSPIP puis de sélectionner "Configuration des masques de formulaires".
Sélectionnez ensuite le formulaire à modifier en cliquant sur sont type d’objet. (...) -
MediaSPIP v0.2
21 juin 2013, parMediaSPIP 0.2 is the first MediaSPIP stable release.
Its official release date is June 21, 2013 and is announced here.
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 (...) -
Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir
Sur d’autres sites (6435)
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how to rapidly extract intraframe from a video (in c++ or python)
11 novembre 2013, par Thomas Andersoni want to capture some frame from a video so i used command like this :
ffmpeg -i MyVideo.mp4 -ss 1:20:12 -vframes 1 test-pic.jpg
but ffmpeg proccess frame from begin of video so this command is too slow. i research and i found some article about keyframe so i try to extract keyframe by a command like this
ffmpeg -vf select="eq(pict_type\,PICT_TYPE_I)" -i MyVideo.mp4 -vsync 2 -s 160x90 -f image2 thumbnails-%02d.jpeg
but this command also is to slow and capture too many frame.
I need a linux command or c++ or python code to capture a frame that dont take long time -
azap from LinuxTV dvb-apps strange signal behavior with Hauppauge WinTV-HVR 950Q [migrated]
27 février 2012, par mmomentWhat I want to do
I have a Hauppauge WinTV-HVR 950Q USB-TV-Stick. I want to use this stick to successively tune to and read in a certain live TV stream.
What I do
I trigger a scan and save the scan results in a file. I call it channels.conf, like the v4l documentary proposes.
scan /home/username/Documents/dvb/atsc/us-CA-SF-Bay-Area > /home/username/Documents/dvb/atsc/conf/home_channels.conf
Everything works fine, the scan returns something like this(A correct channel file) :
[0003]:503000000:8VSB:49:52:3
[0005]:503000000:8VSB:81:84:5
[0006]:503000000:8VSB:97:100:6
26 San Francisco, CA:551000000:8VSB:49:52:3
26 San Francisco, CA:551000000:8VSB:65:68:4
KTSF-D3:551000000:8VSB:81:84:5
KTSF-D4:551000000:8VSB:97:100:6
KTSF-D5:551000000:8VSB:113:116:7
KTSF-D6:551000000:8VSB:129:132:8
KPIX-DT:563000000:8VSB:49:52:1
KKPX ION:635000000:8VSB:49:52:3
KKPX qubo:635000000:8VSB:65:68:4
IONLife:635000000:8VSB:81:84:5
100:635000000:8VSB:487:488:100
200:635000000:8VSB:417:418:200
201:635000000:8VSB:422:423:201
202:635000000:8VSB:427:428:202
203:635000000:8VSB:432:433:203
204:635000000:8VSB:412:413:204
300:635000000:8VSB:442:443:300
400:635000000:8VSB:457:458:400
KSTS-HD:683000000:8VSB:49:52:3
Telemundo Exitos TV:683000000:8VSB:65:68:4
CNL-SOI:683000000:8VSB:81:84:5
KQEH:689000000:8VSB:49:52:1
KQED:689000000:8VSB:65:68:2
LIFE:689000000:8VSB:81:84:3
KIDS:689000000:8VSB:97:100:4
V-me:689000000:8VSB:113:116:5Then I tune to a channel from the scan results. KIDS for example :
azap -r -c Documents/dvb/atsc/conf/channels.conf KIDS
What I expect the program to do :
I expect the program to be tuned and to deliver results similar to this :
username@username:~$ azap -r -c Documents/dvb/atsc/conf/channels.conf KIDS
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 689000000 Hz
video pid 0x0061, audio pid 0x0064
status 1f | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00dc | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
...What it does :
In 2 out of 5 tries the azap just doesn't work at all.
username@username:~$ azap -r -c Documents/dvb/atsc/conf/channels.conf KIDS
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 689000000 Hz
video pid 0x0061, audio pid 0x0064
status 00 | signal 0000 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 0000 | snr 00e4 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 0000 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 0000 | snr 00c2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 0000 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
...The rest of the time it generally works initially, then switches the status to 00 and can not be used any more, even if there is incoming signal.
status 1f | signal 00dc | snr 00dc | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00d2 | snr 00dc | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00dc | snr 00dc | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00dc | snr 00dc | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00d2 | snr 00d2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00c8 | snr 00d2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 00d2 | snr 00d2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00d2 | snr 00d2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00d2 | snr 00d2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00d2 | snr 00d2 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00dc | snr 00dc | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00dc | snr 00dc | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00e6 | snr 00e6 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 00 | signal 00e6 | snr 00dc | ber 00000000 | unc 00000000 | FE_HAS_LOCK
...The output even shows that there is high signal to noise ratio, low or rather no block errors or uncorrected errors at all at first, then it
This keeps me wondering since I see no reason for the program to switch. After double checking with a real TV I am very sure that I always have an incoming signal and that there should not be any reasons for a behavior like this.Question
Can any of you guys see a reason for this behavior, could it be a problem with the Hardware that I'm using or rather a Software issue ? Did anybody experience the same issues, how did you fix it ? Any help is greatly appreciated !
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doc/ffserver : remove "What can this do ?" section
28 novembre 2013, par Stefano Sabatini