MythTV: dishdescriptors.cpp Source File

00001 // -*- Mode: c++ -*-
00002 
00003 #include "dishdescriptors.h"
00004 #include "atsc_huffman.h"
00005 
00006 QString DishEventNameDescriptor::Name(uint compression_type) const
00007 {
00008     if (!HasName())
00009         return QString::null;
00010 
00011     return atsc_huffman2_to_string(
00012         _data + 3, DescriptorLength() - 1, compression_type);
00013 }
00014 
00015 const unsigned char *DishEventDescriptionDescriptor::DescriptionRaw(void) const
00016 {
00017     if (DescriptorLength() <= 2)
00018         return NULL;
00019 
00020     bool offset = (_data[3] & 0xf8) == 0x80;
00021     return _data + ((offset) ? 4 : 3);
00022 }
00023 
00024 uint DishEventDescriptionDescriptor::DescriptionRawLength(void) const
00025 {
00026     if (DescriptorLength() <= 2)
00027         return 0;
00028 
00029     bool offset = (_data[3] & 0xf8) == 0x80;
00030     return DescriptorLength() - ((offset) ? 2 : 1);
00031 }
00032 
00033 QString DishEventDescriptionDescriptor::Description(
00034     uint compression_type) const
00035 {
00036     const unsigned char *raw = DescriptionRaw();
00037     uint len = DescriptionRawLength();
00038 
00039     if (raw && len)
00040         return atsc_huffman2_to_string(raw, len, compression_type);
00041 
00042     return QString::null;
00043 }