/*
- Copyright (C) 2006 Paul Davis
-
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ * Copyright (C) 2006-2016 David Robillard <d@drobilla.net>
+ * Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
+ * Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
+ * Copyright (C) 2013-2016 Robin Gareus <robin@gareus.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
#ifndef __ardour_buffer_set_h__
#define __ardour_buffer_set_h__
#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.h"
+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);
- 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; }
size_t buffer_capacity(DataType type) const;
- Buffer& get(DataType type, size_t i);
- const Buffer& get(DataType type, size_t i) const;
-
AudioBuffer& get_audio(size_t i) {
- return (AudioBuffer&)get(DataType::AUDIO, i);
+ return (AudioBuffer&)get_available (DataType::AUDIO, i);
+ }
+ const AudioBuffer& get_audio(size_t i) const {
+ return (const AudioBuffer&)get_available(DataType::AUDIO, i);
}
MidiBuffer& get_midi(size_t i) {
- return (MidiBuffer&)get(DataType::MIDI, i);
+ return (MidiBuffer&)get_available(DataType::MIDI, i);
+ }
+ const MidiBuffer& get_midi(size_t i) const {
+ return (const MidiBuffer&)get_available(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);
+ Buffer& get_available(DataType type, size_t i);
+ const Buffer& get_available(DataType type, size_t i) const;
+
+#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
+
+#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 {
public:
- B& operator*() { return (B&)_set.get(_type, _index); }
- B* operator->() { return &(B&)_set.get(_type, _index); }
+ B& operator*() { return (B&)_set.get_available(_type, _index); }
+ B* operator->() { return &(B&)_set.get_available(_type, _index); }
iterator_base<BS,B>& operator++() { ++_index; return *this; } // yes, prefix only
bool operator==(const iterator_base<BS,B>& other) { return (_index == other._index); }
bool operator!=(const iterator_base<BS,B>& other) { return (_index != other._index); }
/// 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;
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