diff options
Diffstat (limited to 'src/engine/GraphObjectImpl.hpp')
| -rw-r--r-- | src/engine/GraphObjectImpl.hpp | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/engine/GraphObjectImpl.hpp b/src/engine/GraphObjectImpl.hpp index 82ff7f53..854fdab1 100644 --- a/src/engine/GraphObjectImpl.hpp +++ b/src/engine/GraphObjectImpl.hpp @@ -35,6 +35,7 @@ namespace Ingen { class PatchImpl; class Context; class ProcessContext; +class BufferFactory; /** An object on the audio graph - Patch, Node, Port, etc. @@ -55,15 +56,12 @@ public: const Raul::URI& uri() const { return _path; } const Raul::Symbol& symbol() const { return _symbol; } - bool polyphonic() const { return _polyphonic; } - virtual bool set_polyphonic(Raul::Maid& maid, bool p) { _polyphonic = p; return true; } - GraphObject* graph_parent() const { return _parent; } GraphObjectImpl* parent() const { return _parent; } Resource& meta() { return _meta; } const Resource& meta() const { return _meta; } - virtual void process(ProcessContext& context) = 0; + //virtual void process(ProcessContext& context) = 0; /** Rename */ virtual void set_path(const Raul::Path& new_path) { @@ -83,14 +81,29 @@ public: SharedPtr<GraphObject> find_child(const std::string& name) const; + /** Prepare for a new (external) polyphony value. + * + * Preprocessor thread, poly is actually applied by apply_poly. + * \return true on success. + */ + virtual bool prepare_poly(BufferFactory& bufs, uint32_t poly) = 0; + + /** Apply a new (external) polyphony value. + * + * Audio thread. + * + * \param poly Must be <= the most recent value passed to prepare_poly. + * \param maid Any objects no longer needed will be pushed to this + */ + virtual bool apply_poly(Raul::Maid& maid, uint32_t poly) = 0; + protected: - GraphObjectImpl(GraphObjectImpl* parent, const Raul::Symbol& symbol, bool polyphonic=false); + GraphObjectImpl(GraphObjectImpl* parent, const Raul::Symbol& symbol); GraphObjectImpl* _parent; Raul::Path _path; Raul::Symbol _symbol; ResourceImpl _meta; - bool _polyphonic; }; |