EPG decoder in DVB-T based on DirectShow
2008; Sriwijaya University; Linguagem: Inglês
ISSN
2252-5459
Autores Tópico(s)Advanced Computational Techniques and Applications
ResumoDVB-T is a mature digital television standard,and is widely used in Europe,also is used in China by several experimental digital television networks.DVB-T provides complete Electronic Program Guide(EPG) function,which gives relevant information about current program and next program,and customers can use EPG to fast get and retrieve program information.As EPG is included in SI information,so this paper presents how to decode EPG from SI tables.Because the digital TV receiver on Windows platform is based on Directshow technology,so EPG decoder function should also be a part of Directshow filter chains.Traditional EPG decoder filter chains have structural deficiencies,and this paper gives a completely revised EPG decoder filter chains,which departs A/V data and SI data from TS stream.Experiments show that this filter chain can more efficiently and completely decodes EPG data in terms of slightly CPU time raising.
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