- // ITERATORS
-
- // FIXME: this is a filthy copy-and-paste mess
- // FIXME: litter these with assertions
-
- class audio_iterator {
- public:
-
- AudioBuffer& operator*() { return _set.get_audio(_index); }
- AudioBuffer* operator->() { return &_set.get_audio(_index); }
- audio_iterator& operator++() { ++_index; return *this; } // yes, prefix only
- bool operator==(const audio_iterator& other) { return (_index == other._index); }
- bool operator!=(const audio_iterator& other) { return (_index != other._index); }
-
- private:
- friend class BufferSet;
-
- audio_iterator(BufferSet& list, size_t index) : _set(list), _index(index) {}
-
- BufferSet& _set;
- size_t _index;
- };
-
- audio_iterator audio_begin() { return audio_iterator(*this, 0); }
- audio_iterator audio_end() { return audio_iterator(*this, _count.get(DataType::AUDIO)); }
-
- class iterator {
+#ifdef LV2_SUPPORT
+ /** Get a MIDI buffer translated into an LV2 MIDI buffer for use with
+ * plugins. The index here corresponds directly to MIDI buffer numbers
+ * (i.e. the index passed to get_midi), translation back and forth will
+ * happen as needed. If old_api is true, the returned buffer will be in
+ * old event format. Otherwise it will be in new atom sequence format.
+ */
+ LV2_Evbuf* get_lv2_midi(bool input, size_t i, bool old_api);
+
+ /** Flush modified LV2 event output buffers back to Ardour buffers */
+ void flush_lv2_midi(bool input, size_t i);
+#endif
+
+#if defined VST_SUPPORT || defined LXVST_SUPPORT
+ VstEvents* get_vst_midi (size_t);
+#endif
+
+ void read_from(const BufferSet& in, framecnt_t nframes);
+ void read_from(const BufferSet& in, framecnt_t nframes, DataType);
+ void merge_from(const BufferSet& in, framecnt_t nframes);
+
+ template <typename BS, typename B>
+ class iterator_base {