Disconnect Signals before dropping ports

[ardour.git] / libs / ardour / ardour / buffer_set.h

diff --git a/libs/ardour/ardour/buffer_set.h b/libs/ardour/ardour/buffer_set.h
index fc5ef964491089d2a817ccb6b16ee4de622547a3..9ea6ab7d6ad1d3620d347fb4eea78971d53fb481 100644 (file)
--- a/libs/ardour/ardour/buffer_set.h
+++ b/libs/ardour/ardour/buffer_set.h
@@ -27,13 +27,20 @@
 #include <vector>
 #include "ardour/chan_count.h"
 #include "ardour/data_type.h"
+#include "ardour/libardour_visibility.h"
 #include "ardour/types.h"
 
-#ifdef VST_SUPPORT
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT
 #include "evoral/MIDIEvent.hpp"
-struct VstEvents;
-struct VstMidiEvent;
-#endif 
+struct _VstEvents;
+typedef struct _VstEvents VstEvents;
+struct _VstMidiEvent;
+typedef struct _VstMidiEvent VstMidiEvent;
+#endif
+
+#ifdef LV2_SUPPORT
+typedef struct LV2_Evbuf_Impl LV2_Evbuf;
+#endif
 
 namespace ARDOUR {
 
@@ -41,9 +48,6 @@ class Buffer;
 class AudioBuffer;
 class MidiBuffer;
 class PortSet;
-#ifdef HAVE_SLV2
-class LV2EventBuffer;
-#endif
 
 /** A set of buffers of various types.
  *
@@ -58,7 +62,7 @@ class LV2EventBuffer;
  * others the form of their output (eg what they did to the BufferSet).
  * Setting the use counts is realtime safe.
  */
-class BufferSet
+class LIBARDOUR_API BufferSet
 {
 public:
        BufferSet();
@@ -67,7 +71,7 @@ public:
        void clear();
 
        void attach_buffers (PortSet& ports);
-       void get_jack_port_addresses (PortSet &, framecnt_t, framecnt_t);
+       void get_backend_port_addresses (PortSet &, framecnt_t);
 
        /* the capacity here is a size_t and has a different interpretation depending
           on the DataType of the buffers. for audio, its a frame count. for MIDI
@@ -83,7 +87,6 @@ public:
        const ChanCount& count() const { return _count; }
        ChanCount&       count()       { return _count; }
 
-       void is_silent(bool yn);
        void silence (framecnt_t nframes, framecnt_t offset);
        bool is_mirror() const { return _is_mirror; }
 
@@ -97,26 +100,42 @@ public:
        AudioBuffer& get_audio(size_t i) {
                return (AudioBuffer&)get(DataType::AUDIO, i);
        }
+       const AudioBuffer& get_audio(size_t i) const {
+               return (const AudioBuffer&)get(DataType::AUDIO, i);
+       }
 
        MidiBuffer& get_midi(size_t i) {
                return (MidiBuffer&)get(DataType::MIDI, i);
        }
+       const MidiBuffer& get_midi(size_t i) const {
+               return (const MidiBuffer&)get(DataType::MIDI, i);
+       }
 
-#ifdef HAVE_SLV2
-       /** 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 */
-       LV2EventBuffer& get_lv2_midi(bool input, size_t i);
+#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);
+
+       /** ensure minimum size of LV2 Atom port buffer */
+       void ensure_lv2_bufsize(bool input, size_t i, size_t buffer_capacity);
 
        /** Flush modified LV2 event output buffers back to Ardour buffers */
        void flush_lv2_midi(bool input, size_t i);
+
+       /** Forward plugin MIDI output to to Ardour buffers */
+       void forward_lv2_midi(LV2_Evbuf*, size_t, bool purge_ardour_buffer = true);
 #endif
 
-#ifdef VST_SUPPORT
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT
        VstEvents* get_vst_midi (size_t);
-#endif 
+#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>
@@ -164,13 +183,13 @@ private:
        /// Vector of vectors, indexed by DataType
        std::vector<BufferVec> _buffers;
 
-#ifdef HAVE_SLV2
+#ifdef LV2_SUPPORT
        /// LV2 MIDI buffers (for conversion to/from MIDI buffers)
-       typedef std::vector< std::pair<bool, LV2EventBuffer*> > LV2Buffers;
+       typedef std::vector< std::pair<bool, LV2_Evbuf*> > LV2Buffers;
        LV2Buffers _lv2_buffers;
 #endif
 
-#ifdef VST_SUPPORT
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT
        class VSTBuffer {
        public:
                VSTBuffer (size_t);
@@ -185,15 +204,15 @@ private:
        private:
                /* prevent copy construction */
                VSTBuffer (VSTBuffer const &);
-               
+
                VstEvents* _events; /// the parent VSTEvents struct
                VstMidiEvent* _midi_events; ///< storage area for VSTMidiEvents
                size_t _capacity;
        };
-       
+
        typedef std::vector<VSTBuffer*> VSTBuffers;
        VSTBuffers _vst_buffers;
-#endif 
+#endif
 
        /// Use counts (there may be more actual buffers than this)
        ChanCount _count;