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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.

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Forcing Mpeg2Demultiplexer to use ffdshow to render H264 Digital TV Video

I spend a lot of time trying to make DTVViewer sample of DirectShow work unfortunately with no success. The video format of DVBT network is H264 and I found that the IntelliConnect behavior of IFilterGraph prefers to use Mpeg2 Video format. For…
Bakhshi
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MPEG-TS Encoding

I have a file that i need to convert to MPEG-TS so that it fits the below specification: Elementary stream bitrate [kbit/s] video: 2575 audio: 2 x 192 subtitle: - PAT/PMT: - Stuffing: - Component TS bitrate [kbit/s] video: 2652 audio: 395 subtitle:…
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what is the usage of dvb triplet in Settop box?

I am seeing that the way to identify the service is through DVB triplet. How DVB triplet is formed, and how it guarantees to be unique?
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Why are both Viterbi and Reed-Solomon used in DVB-T?

From my understanding, DVB-T packets go through two FEC systems, that are, Viterbi, with a data loss up to 50%, and RS, with a data loss up to 10%. Those are called external and internal coding. I can't understand the need for the second RS coding…
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FFMPEG: How to keep UDP stream connection open even source drop some minute

i decode UDP stream (that genrate from DVB signal) using ffmpeg to HLS with this code : ffmpeg -i udp://239.1.2.1:60001?fifo_size=50000000 -acodec copy -vcodec copy -hls_time 2 -hls_wrap 5 -f hls /var/www/html/ts/1.m3u8 Sometime DVB signal drop for…
user6002268
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Setting up .xml to load .dvb plugin on AutoCAD startup

I am trying to set up a .bundle folder to load a series of plugins I've designed for AutoCAD. One of these plugins is a .dvb file so in the PackageContents.xml I have the following XML code
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ffmpeg live transcoding faster alternative?

Is there any opensource alternative to ffmpeg and VLC to live video transcoding from HTTP streaming to RTMP or other? ffmpeg caused my CPU (AMD 4.0GHZ 8Core) is loaded 100% with only 8 SD streams. Thanks for help. PS. I think I don't need to…
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How to convert SRT (text based subtitle) to DVB (Bitmap based subtitle)?

I have Live stream with video and audio substream , I want to add third stream of subtitle as srt subtitle stream and generate output stream with dvb subtitle stream along with video and audio. Here I can able convert add third stream (srt subtitle…
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How can i transform dvb subtitles into text format using FFMpeg within a live streaming or how can i optimize the dvb burning process?

I am working on a hls transcoder from any format to HLS and I need to encode multiple subtitles with the format "dvbsub" at the same time with the purpose of being selected by a client who interprets the m3u8 HLS playlist. The main problem is that…
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How to use DvbSiparser.h to parser mpeg2 TS in vc++?

I have a Mpeg2 TS should be analyze. I m using a header file introduced in Windows Kit ver 8 (or 8.1) named Dvbsiparser.h. I know (but not sure) I should build a filter graph and then add tow important filter: 1. Mpeg2 Sections and table 2.…
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MPEG-TS PSI parsing

I am trying to construct EIT table sections as specified in EN 300 468. I have successfully parsed the packets into data structures (in Java), and can access the payload of each packet. I don't understand how the table section is split across the…
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A guide about Java TV API

I want to write a Transport Stream (TS) monitoring program for monitoring media streams on the network. I want to monitor what streams are alive and if possible capture information about them. I want to use a free open source framework not…
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Decoding of DVB PSI

We are looking for a project that can decode DVB PSI sections. We have had a look into libdvbpsi but it only seems to handle the raw transport packets. In our application the data we are being sent has all the transport information already removed…
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How to use Microsoft Tuner 1.0 Type Library

Basically I want to write a small C# app that uses a BDA DVB-T tuner. It has to tune to a given frequency and get the signal strength. That's all. I don't need to show the stream on the screen. I discovered the Microsoft Tuner 1.0 Type Library…
Martin Marinov
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How to use dvbsnoop for analyzing stream

Has anybody used dvbsnoop (http://dvbsnoop.sourceforge.net) MPEG stream analyzer for analyzing transport streams? I have transport segments (.ts) of 10 seconds generated to transport using Http live server. I wan to analyze them to get the details…
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