QgsReaderFeatures::QgsReaderFeatures( QgsVectorLayer *layer, bool useSelection )
{
mLayer = layer;
initReader( useSelection );
} // QgsReaderFeatures::QgsReaderFeatures(QgsVectorLayer *layer, bool useSelection)
SourceFileRef SourceFileMediaFoundation::cloneWithSampleRate( size_t sampleRate ) const
{
auto result = make_shared<SourceFileMediaFoundation>( mDataSource, sampleRate );
result->initReader();
result->setupSampleRateConversion();
return result;
}
bool ossimPngReader::open( std::istream* str, std::streamoff restartPosition, bool youOwnIt )
{
bool result = false;
if (isOpen())
{
close();
}
if ( str )
{
str->seekg( m_restartPosition, std::ios_base::beg );
if ( checkSignature( str ) )
{
// Store the pointer:
m_str = str;
m_restartPosition = restartPosition;
m_ownsStream = youOwnIt;
result = readPngInit();
if ( result )
{
result = initReader();
if ( result )
{
completeOpen();
}
}
else
{
destroy();
}
}
else
{
if ( youOwnIt )
{
delete str;
str = 0;
}
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "ossimPngReader::open NOTICE:\n"
<< "Could not open: " << theImageFile.c_str()
<< endl;
}
}
}
return result;
}
/**
* @return true if can read message with id
*/
bool canRead(unsigned id) {
initReader(id);
bool cont=false;
std::vector<Entry> ::iterator &itr = subscriber_map_[id].read_itr_;
do {
cont=false;
if (itr == queue_.end()) {
itr = queue_.begin();
}
if (itr->empty_ == true)
return false;
if ((itr->has_read_mask_&id) == id) {
itr++;
cont = true;
}
} while (cont);
return true;
}
// SetUp
ReaderTests() {
// initialize ybscheme
initGlobals();
initReader();
flushReaderInputStream();
}
SourceFileMediaFoundation::SourceFileMediaFoundation( const DataSourceRef &dataSource, size_t sampleRate )
: SourceFile( sampleRate ), mDataSource( dataSource ), mCanSeek( false ), mSeconds( 0 ), mReadBufferPos( 0 ), mFramesRemainingInReadBuffer( 0 )
{
MediaFoundationInitializer::initMediaFoundation();
initReader();
}
void subscribe(SubscriberMask_t id) {
initReader(id);
}
