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Autres articles (20)
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La sauvegarde automatique de canaux SPIP
1er avril 2010, parDans le cadre de la mise en place d’une plateforme ouverte, il est important pour les hébergeurs de pouvoir disposer de sauvegardes assez régulières pour parer à tout problème éventuel.
Pour réaliser cette tâche on se base sur deux plugins SPIP : Saveauto qui permet une sauvegarde régulière de la base de donnée sous la forme d’un dump mysql (utilisable dans phpmyadmin) mes_fichiers_2 qui permet de réaliser une archive au format zip des données importantes du site (les documents, les éléments (...) -
Encoding and processing into web-friendly formats
13 avril 2011, parMediaSPIP automatically converts uploaded files to internet-compatible formats.
Video files are encoded in MP4, Ogv and WebM (supported by HTML5) and MP4 (supported by Flash).
Audio files are encoded in MP3 and Ogg (supported by HTML5) and MP3 (supported by Flash).
Where possible, text is analyzed in order to retrieve the data needed for search engine detection, and then exported as a series of image files.
All uploaded files are stored online in their original format, so you can (...) -
Contribute to a better visual interface
13 avril 2011MediaSPIP is based on a system of themes and templates. Templates define the placement of information on the page, and can be adapted to a wide range of uses. Themes define the overall graphic appearance of the site.
Anyone can submit a new graphic theme or template and make it available to the MediaSPIP community.
Sur d’autres sites (5678)
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Escape character "|" error (Linux command)
22 mars 2013, par user1812668I'm trying to run a Linux command in Java.
This is the command :
"ffmpeg -i rtmp ://192.168.1.112/garage/stream26g -f mpegts -acodec libmp3lame -ar 48000 -ab 64000 -s 480x320 -r 30 -vcodec libx264 -b 544k -flags +loop -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -subq 5 -trellis 2 -refs 0 -coder 0 -me_range 16 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -bt 200k -maxrate 544k -bufsize 544k -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 30 -qdiff 4 -level 30 -aspect 480:320 -g 30 -async 2 - | vod - 10 stream/stream26g/sample stream/stream26g/stream.m3u8 http://www.tshizerbia.com//video/ 5" ;
But it gives me an error :
Unable to find a suitable output format for |
And I don't know what is the problem
I used this to run the command
Process p = Runtime.getRuntime().exec(command);
If I put
\\|
in the string the message error is :Unable to find a suitable output format for |
How can I escape this character ? Any ideas ?
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rtp mpg stream using jrtplib occurred error "illegal timestamp unit"
13 avril 2013, par socketI wanna code rtp video stream sender and use VLC to play it in the LAN. I just have a mpeg4 file "a.mpg". And in my opinion, jrtplib can pack the packed well, so I think I can use sendPacket() function directly to send the mpg file. code below :
#include
#include
#include
#include
#include
#include
#include
#include <iostream>
#include
using namespace jrtplib;
using namespace std;
int main()
{
RTPSession s;
RTPSessionParams sparam;
s.SetTimestampUnit(160.0/104857.0);//~
RTPUDPv4TransmissionParams tparam;
tparam.SetPortbase(9000);
int status=s.Create(sparam,&tparam);
if(status<0)
{
cerr<<"error 1"</~
s.SetDefaultMark(false);
s.SetDefaultTimestampIncrement(160);//~~
unsigned char buf[160];
FILE*f=fopen("a.mpg","rb");
while(!feof(f))
{
fread(buf,1,160,f);
RTPTime delay(0.02);//~
bool ret=false;
status=s.SendPacket(buf,160);
if(status<0)
{
cerr<<"error 3"<code></iostream>Then, I compile it :
g++ jrtpsend.cpp -ljrtp -I /usr/local/include/jrtplib3
After that, I run the program but error occurred :
kl@kl-ubuntu:~/code/RTP$ ./a.out
error 1
Speficied an illegal timestamp unit for the the RTCP packet builderActually, I didn't know timestamp exactly. When I use ffplay to play a.mpg showing that :
Input #0, mpeg, from 'a.mpg':q= 0KB vq= 0KB sq= 0B f=0/0
Duration: 00:01:00.69, start: 0.529089, bitrate: 556 kb/s
Stream #0:0[0x1e0]: Video: mpeg1video, yuv420p, 640x480 [SAR 239:182 DAR 478:273], 104857 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
Stream #0:1[0x1c0]: Audio: mp2, 44100 Hz, stereo, s16p, 128 kb/s2.46 A-V : -0.003 fd= 7 aq= 2KB vq= 33KB sq= 0B f=0/0
So, I use the data 104857kb/s in the code (setTimestampUnit()), but I have no idea whether I use it correctly.
All in all, please give me some suggestion how to run the program well or ...
Best regards :-) -
Revision fd935f309c : Merge "Add cheap show-buffer operation" into experimental
7 juin 2013, par John KoleszarChanged Paths :
Modify /vp9/decoder/vp9_decodframe.c
Modify /vp9/encoder/vp9_bitstream.c
Merge "Add cheap show-buffer operation" into experimental