1 #ifndef AUDIOGRAPHER_LISTED_SOURCE_H
2 #define AUDIOGRAPHER_LISTED_SOURCE_H
4 #include "audiographer/visibility.h"
5 #include "audiographer/types.h"
6 #include "audiographer/types.h"
7 #include "audiographer/source.h"
11 namespace AudioGrapher
14 /// An generic \a Source that uses a \a std::list for managing outputs
15 template<typename T = DefaultSampleType>
16 class /*LIBAUDIOGRAPHER_API*/ ListedSource : public Source<T>
19 void add_output (typename Source<T>::SinkPtr output) { outputs.push_back(output); }
20 void clear_outputs () { outputs.clear(); }
21 void remove_output (typename Source<T>::SinkPtr output) { outputs.remove(output); }
25 typedef std::list<typename Source<T>::SinkPtr> SinkList;
27 /// Helper for derived classes
28 void output (ProcessContext<T> const & c)
30 for (typename SinkList::iterator i = outputs.begin(); i != outputs.end(); ++i) {
35 void output (ProcessContext<T> & c)
37 if (output_size_is_one()) {
38 // only one output, so we can keep this non-const
39 outputs.front()->process (c);
41 output (const_cast<ProcessContext<T> const &> (c));
45 inline bool output_size_is_one () { return (!outputs.empty() && ++outputs.begin() == outputs.end()); }
52 #endif //AUDIOGRAPHER_LISTED_SOURCE_H