#include <vector>
#include "ardour/chan_count.h"
#include "ardour/data_type.h"
+#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT || defined MACVST_SUPPORT
+#include "evoral/Event.hpp"
+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 {
class Buffer;
class AudioBuffer;
class MidiBuffer;
class PortSet;
-#ifdef HAVE_SLV2
-class LV2EventBuffer;
-#endif
/** A set of buffers of various types.
*
* 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();
void clear();
- void attach_buffers(PortSet& ports, nframes_t nframes, nframes_t offset = 0);
+ void attach_buffers (PortSet& ports);
+ void get_backend_port_addresses (PortSet &, samplecnt_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
+ on the DataType of the buffers. for audio, its a sample count. for MIDI
its a byte count.
*/
const ChanCount& count() const { return _count; }
ChanCount& count() { return _count; }
- void is_silent(bool yn) { _is_silent = yn; }
- bool is_silent() const { return _is_silent; }
- void silence (nframes_t nframes, nframes_t offset);
+ void silence (samplecnt_t nframes, samplecnt_t offset);
bool is_mirror() const { return _is_mirror; }
void set_count(const ChanCount& count) { assert(count <= _available); _count = count; }
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 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);
-#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);
+ /** 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
+
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT || defined MACVST_SUPPORT
+ VstEvents* get_vst_midi (size_t);
#endif
- void read_from(const BufferSet& in, nframes_t nframes);
- void merge_from(const BufferSet& in, nframes_t nframes);
+ void read_from(const BufferSet& in, samplecnt_t nframes);
+ void read_from(const BufferSet& in, samplecnt_t nframes, DataType);
+ void merge_from(const BufferSet& in, samplecnt_t nframes);
template <typename BS, typename B>
class iterator_base {
/// 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
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT || defined MACVST_SUPPORT
+ class VSTBuffer {
+ public:
+ VSTBuffer (size_t);
+ ~VSTBuffer ();
+
+ void clear ();
+ void push_back (Evoral::Event<samplepos_t> const &);
+ VstEvents* events () const {
+ return _events;
+ }
+
+ 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
+
/// Use counts (there may be more actual buffers than this)
ChanCount _count;
/// False if we 'own' the contained buffers, if true we mirror a PortSet)
bool _is_mirror;
-
- /// Whether the buffer set should be considered silent
- bool _is_silent;
};