| 41 | using namespace e57; |
| 42 | |
| 43 | std::shared_ptr<Encoder> Encoder::EncoderFactory( unsigned bytestreamNumber, |
| 44 | std::shared_ptr<CompressedVectorNodeImpl> cVector, |
| 45 | std::vector<SourceDestBuffer> &sbufs, |
| 46 | ustring & /*codecPath*/ ) |
| 47 | { |
| 48 | //??? For now, only handle one input |
| 49 | if ( sbufs.size() != 1 ) |
| 50 | { |
| 51 | throw E57_EXCEPTION2( ErrorInternal, "sbufsSize=" + toString( sbufs.size() ) ); |
| 52 | } |
| 53 | |
| 54 | SourceDestBuffer sbuf = sbufs.at( 0 ); |
| 55 | |
| 56 | // Get node we are going to encode from the CompressedVector's prototype |
| 57 | NodeImplSharedPtr prototype = cVector->getPrototype(); |
| 58 | ustring path = sbuf.pathName(); |
| 59 | NodeImplSharedPtr encodeNode = prototype->get( path ); |
| 60 | |
| 61 | #ifdef E57_VERBOSE |
| 62 | std::cout << "Node to encode:" << std::endl; //??? |
| 63 | encodeNode->dump( 2 ); |
| 64 | #endif |
| 65 | switch ( encodeNode->type() ) |
| 66 | { |
| 67 | case TypeInteger: |
| 68 | { |
| 69 | std::shared_ptr<IntegerNodeImpl> ini = |
| 70 | std::static_pointer_cast<IntegerNodeImpl>( encodeNode ); // downcast to correct type |
| 71 | |
| 72 | // Get pointer to parent ImageFileImpl, to call bitsNeeded() |
| 73 | ImageFileImplSharedPtr imf( |
| 74 | encodeNode->destImageFile_ ); //??? should be function for this, |
| 75 | // imf->parentFile() |
| 76 | //--> ImageFile? |
| 77 | |
| 78 | unsigned bitsPerRecord = imf->bitsNeeded( ini->minimum(), ini->maximum() ); |
| 79 | |
| 80 | // !!! need to pick smarter channel buffer sizes, here and elsewhere |
| 81 | // Construct Integer encoder with appropriate register size, based on number of bits |
| 82 | // stored. |
| 83 | if ( bitsPerRecord == 0 ) |
| 84 | { |
| 85 | std::shared_ptr<Encoder> encoder( |
| 86 | new ConstantIntegerEncoder( bytestreamNumber, sbuf, ini->minimum() ) ); |
| 87 | |
| 88 | return encoder; |
| 89 | } |
| 90 | |
| 91 | if ( bitsPerRecord <= 8 ) |
| 92 | { |
| 93 | std::shared_ptr<Encoder> encoder( new BitpackIntegerEncoder<uint8_t>( |
| 94 | false, bytestreamNumber, sbuf, DATA_PACKET_MAX /*!!!*/, ini->minimum(), |
| 95 | ini->maximum(), 1.0, 0.0 ) ); |
| 96 | return encoder; |
| 97 | } |
| 98 | |
| 99 | if ( bitsPerRecord <= 16 ) |
| 100 | { |
nothing calls this directly
no test coverage detected