Stack Overflow
Stack Overflow

Questions tagged [dvb]

DVB - a set of digital TV standards from the Digital Video Broadcasting Project

The DVB Project is a industry consortium that develops specifications for digital television systems, which are turned into standards by international standards bodies such as ETSI or CENELEC. DVB's open technical standards cover a broad range of of digital TV technologies for the delivery of digital TV over satellite, cable, terrestrial, and IPTV, as well as other broadcast services.

The DVB consortium is composed of manufacturers, software developers, network operators, broadcasters and regulators. It's specifications are available free of charge from the DVB standards page. One of the more prominent specifications is the one that describes DVB Service Information (DVB-SI), i.e. tables, descriptors, etc. in DVB systems; it's name is ETSI EN 300 468.

Links:

87 questions
1
vote
1 answer

What's the correct way to implement the BaseBand scrambler of DVBS2?

I'm trying to implement a transmitter based on the DVBS2 standard. The guideline document shows a feedback shift registers for which the input does not depend on the message sent DVBS2 base band scrambler whereas MATLAB's comm.Scrambler object does…
Eduardo Flores Barreto
  • 31
  • 3
1
vote
2 answers

providing multichannel service in iptv service

I'm supposed to be working on an IPTV system, now I have to figure out how providers can broadcast more than one channel from satellite at the same time is it managed by hardware like special receivers, or software!! if there is a study or paper…
nwara97
  • 21
  • 3
1
vote
1 answer

TVHeadend not using codec copy on an IPTV stream?

So I'm using the great TVHeadend, which is in my case a DVB-T or IPTV server that can record greatly some inputs. This is a great piece of software, which I recommend much. But I'm a little bit confused in here. So I've set up a tvheadend on a…
petaire
  • 495
  • 1
  • 10
  • 23
1
vote
1 answer

Application that receives DVB-H broadcast signal

DVB-H is a fairly new broadcasting medium. One purpose it is used for is to broadcast TV channels to TV phones and mobile decoders. The software supplied by the service provider for windows does the job, but the display is small. I want to explore…
Yo Momma
  • 8,581
  • 7
  • 34
  • 45
1
vote
0 answers

Compiling dvb-apps tarball into Solaris 10 SPARC

I have Solaris 10 SPARC edition installed onto a Oracle/Sun SPARC server. I wish to install dvb-apps tarball using my gcc compiled installed into Solaris 10 (gcc-9.1.0 compiled and installed from source files packaged into official gcc-9.1.0 tarball…
greenelephant
  • 71
  • 6
1
vote
1 answer

DVB device node creation Linux Ubuntu

Hi I am trying to create a dvb frotnend for my device on ubuntu. I have created a device driver file that creates a dummy dvb file after looking at dummy_dvb_fe.c which is present in the linux kernel. For some reason when I insmod it I am not able…
DBB
  • 467
  • 9
  • 23
1
vote
0 answers

ffmpeg to dvb-c. Need some advices

I'd like to get some advices about ffmpeg transcoding and broadcasting it to DVB-C environment. Have a server, based on Linux with external GPUs based on Nvidia P4000. Target of this machine is getting live streams at HLS, then it transcode files to…
pentarhh
  • 11
  • 3
1
vote
1 answer

DVB PCR error time period

The main question is what the time for PCR error in DVB streaming ? I am asking it because according to DVB standards (see additional information) PCR error retention period > 100 ms. But there is a lot of hardware which is logging PCR errors with…
user1722669
  • 488
  • 2
  • 6
  • 22
1
vote
1 answer

Linux - cannot find shared library

Using Code::Blocks (13.12) / g++ to create some test code using the DVB V5 libraries on Ubuntu 14.04. The library was downloaded, built and installed following instructions in the download. Had it all working then had a disk crash. Decided to…
nmw01223
  • 1,611
  • 3
  • 23
  • 40
1
vote
1 answer

Using VLCJ for DVB-T tuner

In our country there is a dvb frequency of 570000000 with 3 channels/programs; 16,17,18 This is the mrl i am using to change channel for vlc via batch file by replacing the :program value. "C:\Program Files (x86)\VideoLAN\VLC\vlc.exe"…
AllBirth
  • 13
  • 2
1
vote
0 answers

How to query the available data size in Linux DVB kernel demux buffers?

I am using a Linux-DVB frontend/demux driver pair to get a program stream remuxed from live broadcast TS into user land. I am using the poll/read combination, however, to keep the context switching and kernel to user space copying penalties at…
abdus_salam
  • 738
  • 2
  • 7
  • 19
1
vote
1 answer

Transport stream extract ES video/audio data and play it

I am working on something and i came a point that i cannot find something useful by searching on the internet any further. I wrote a descrambler for dvbs2 csa, now i want to try it with real data. I have a .ts file and i have the key. All i want to…
greentree
  • 45
  • 7
1
vote
1 answer

Can I select which DVB-T audio channel VLC streams?

Having a DVB-T stick working on Debian Wheezy, I am trying to stream DVB-T channels using VLC. The streaming on server side works well. On the client I can open a stream by using URL http://my_ip:8080/tv_channel and I get video immediately. The…
Pavel Lobodinský
  • 1,028
  • 1
  • 12
  • 25
1
vote
1 answer

FFMpeg DVB Subtitles memory leak

When decoding the subtitles track from an mpegts udp mutlicast stream I am getting a memory leak using avcodec_decode_subtitle2. The audio and video streams are fine. And all three streams are manually memory managed by pre-allocating all…
WLGfx
  • 1,169
  • 15
  • 31
1
vote
1 answer

Getting EPG from DVB-S

I'm trying to write EPG grabber. I use libucsi library under linux. I can read one TS from EIT table and decode EPG data. But it's incomplete and I don't know how to read all necessary TS. I tried to google it, and I read some documentation but…
Alrick
  • 79
  • 9
1 2
3
4 5 6