#include <iostream>
#include <algorithm>
+#include <sstream>
+
+#include "pbd/compose.h"
+
#include "ardour/buffer.h"
#include "ardour/buffer_set.h"
+#include "ardour/debug.h"
#include "ardour/midi_buffer.h"
#include "ardour/port.h"
#include "ardour/port_set.h"
#include "ardour/audioengine.h"
-#ifdef HAVE_SLV2
+#ifdef LV2_SUPPORT
#include "ardour/lv2_plugin.h"
#include "ardour/lv2_event_buffer.h"
#endif
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT
+#include "ardour/vestige/aeffectx.h"
+#endif
namespace ARDOUR {
_buffers.clear();
_count.reset();
_available.reset();
+
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT
+ for (VSTBuffers::iterator i = _vst_buffers.begin(); i != _vst_buffers.end(); ++i) {
+ delete *i;
+ }
+
+ _vst_buffers.clear ();
+#endif
+
}
-/** Make this BufferSet a direct mirror of a PortSet's buffers.
+/** Set up this BufferSet so that its data structures mirror a PortSet's buffers.
+ * This is quite expensive and not RT-safe, so it should not be called in a process context;
+ * get_jack_port_addresses() will fill in a structure set up by this method.
+ *
+ * XXX: this *is* called in a process context; I'm not sure quite what `should not' means above.
*/
void
-BufferSet::attach_buffers(PortSet& ports, nframes_t nframes, nframes_t offset)
+BufferSet::attach_buffers (PortSet& ports)
{
- clear();
+ const ChanCount& count (ports.count());
+
+ clear ();
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
- _buffers.push_back(BufferVec());
+ _buffers.push_back (BufferVec());
BufferVec& v = _buffers[*t];
-
- for (PortSet::iterator p = ports.begin(*t); p != ports.end(*t); ++p) {
- assert(p->type() == *t);
- v.push_back(&(p->get_buffer(nframes, offset)));
- }
+ v.assign (count.n (*t), (Buffer*) 0);
}
_count = ports.count();
_available = ports.count();
+
_is_mirror = true;
}
+/** Write the JACK port addresses from a PortSet into our data structures. This
+ * call assumes that attach_buffers() has already been called for the same PortSet.
+ * Does not allocate, so RT-safe BUT you can only call Port::get_buffer() from
+ * the process() callback tree anyway, so this has to be called in RT context.
+ */
+void
+BufferSet::get_jack_port_addresses (PortSet& ports, framecnt_t nframes)
+{
+ assert (_count == ports.count ());
+ assert (_available == ports.count ());
+ assert (_is_mirror);
+
+ assert (_buffers.size() == DataType::num_types);
+
+ for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+ BufferVec& v = _buffers[*t];
+
+ assert (v.size() == ports.num_ports (*t));
+
+ int i = 0;
+ for (PortSet::iterator p = ports.begin(*t); p != ports.end(*t); ++p) {
+ v[i] = &p->get_buffer (nframes);
+ ++i;
+ }
+ }
+}
+
/** Ensure that there are @a num_buffers buffers of type @a type available,
* each of size at least @a buffer_size
*/
_count.set (type, num_buffers);
}
-#ifdef HAVE_SLV2
+#ifdef LV2_SUPPORT
// Ensure enough low level MIDI format buffers are available for conversion
// in both directions (input & output, out-of-place)
if (type == DataType::MIDI && _lv2_buffers.size() < _buffers[type].size() * 2 + 1) {
}
#endif
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT
+ // As above but for VST
+ if (type == DataType::MIDI) {
+ while (_vst_buffers.size() < _buffers[type].size()) {
+ _vst_buffers.push_back (new VSTBuffer (buffer_capacity));
+ }
+ }
+#endif
+
// Post-conditions
assert(bufs[0]->type() == type);
assert(bufs.size() >= num_buffers);
void
BufferSet::ensure_buffers(const ChanCount& chns, size_t buffer_capacity)
{
- if (chns == ChanCount::ZERO) {
- return;
- }
-
- // If we're a mirror just make sure we're ok
- if (_is_mirror) {
- assert(_count >= chns);
- return;
- }
-
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
-
- // The vector of buffers of this type
- BufferVec& bufs = _buffers[*t];
-
- uint32_t nbufs = chns.get (*t);
-
- if (nbufs == 0) {
- // Nuke it
- for (BufferVec::iterator i = bufs.begin(); i != bufs.end(); ++i) {
- delete (*i);
- }
- bufs.clear();
- continue;
- }
-
- // If there's not enough or they're too small, just nuke the whole thing and
- // rebuild it (so I'm lazy..)
- if (bufs.size() < nbufs
- || (bufs.size() > 0 && bufs[0]->capacity() < buffer_capacity)) {
-
- // Nuke it
- for (BufferVec::iterator i = bufs.begin(); i != bufs.end(); ++i) {
- delete (*i);
- }
- bufs.clear();
-
- // Rebuild it
- for (size_t i = 0; i < nbufs; ++i) {
- bufs.push_back(Buffer::create(*t, buffer_capacity));
- }
-
- _available.set (*t, nbufs);
- }
-
-#ifdef HAVE_SLV2
- // Ensure enough low level MIDI format buffers are available for conversion
- // in both directions (input & output, out-of-place)
- if (*t == DataType::MIDI && _lv2_buffers.size() < _buffers[DataType::MIDI].size() * 2 + 1) {
- while (_lv2_buffers.size() < _buffers[DataType::MIDI].size() * 2) {
- _lv2_buffers.push_back(std::make_pair(false, new LV2EventBuffer(buffer_capacity)));
- }
- }
-#endif
-
- // Post-conditions
- assert(bufs[0]->type() == *t);
- assert(bufs.size() == _available.get(*t));
- assert(bufs[0]->capacity() >= buffer_capacity);
+ for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
+ ensure_buffers (*i, chns.get (*i), buffer_capacity);
}
-
- assert (available() == chns);
}
/** Get the capacity (size) of the available buffers of the given type.
return *_buffers[type][i];
}
-#ifdef HAVE_SLV2
+#ifdef LV2_SUPPORT
LV2EventBuffer&
BufferSet::get_lv2_midi(bool input, size_t i)
{
+ assert (count().get(DataType::MIDI) > i);
+
MidiBuffer& mbuf = get_midi(i);
LV2Buffers::value_type b = _lv2_buffers.at(i * 2 + (input ? 0 : 1));
LV2EventBuffer* ebuf = b.second;
ebuf->reset();
if (input) {
+ DEBUG_TRACE (PBD::DEBUG::LV2, string_compose ("%1 bytes of MIDI waiting @ %2\n", mbuf.size(), (void*) mbuf.data()));
for (MidiBuffer::iterator e = mbuf.begin(); e != mbuf.end(); ++e) {
- const Evoral::MIDIEvent<nframes_t> ev(*e, false);
+ const Evoral::MIDIEvent<framepos_t> ev(*e, false);
uint32_t type = LV2Plugin::midi_event_type();
+#ifndef NDEBUG
+ DEBUG_TRACE (PBD::DEBUG::LV2, string_compose ("\tMIDI event of size %1 @ %2\n", ev.size(), ev.time()));
+ for (uint16_t x = 0; x < ev.size(); ++x) {
+ std::stringstream ss;
+ ss << "\t\tByte[" << x << "] = " << std::hex << (int) ev.buffer()[x] << std::dec << std::endl;
+ DEBUG_TRACE (PBD::DEBUG::LV2, ss.str());
+ }
+#endif
ebuf->append(ev.time(), 0, type, ev.size(), ev.buffer());
}
}
uint16_t size;
uint8_t* data;
ebuf->get_event(&frames, &subframes, &type, &size, &data);
+#ifndef NDEBUG
+ DEBUG_TRACE (PBD::DEBUG::LV2, string_compose ("(FLUSH) MIDI event of size %1\n", size));
+ for (uint16_t x = 0; x < size; ++x) {
+ DEBUG_TRACE (PBD::DEBUG::LV2, string_compose ("\tByte[%1] = %2\n", x, (int) data[x]));
+ }
+#endif
mbuf.push_back(frames, size, data);
}
}
-#endif
+#endif /* LV2_SUPPORT */
+#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT
+
+VstEvents*
+BufferSet::get_vst_midi (size_t b)
+{
+ MidiBuffer& m = get_midi (b);
+ VSTBuffer* vst = _vst_buffers[b];
+
+ vst->clear ();
+
+ for (MidiBuffer::iterator i = m.begin(); i != m.end(); ++i) {
+ vst->push_back (*i);
+ }
+
+ return vst->events();
+}
+
+BufferSet::VSTBuffer::VSTBuffer (size_t c)
+ : _capacity (c)
+{
+ _events = static_cast<VstEvents*> (malloc (sizeof (VstEvents) + _capacity * sizeof (VstEvent *)));
+ _midi_events = static_cast<VstMidiEvent*> (malloc (sizeof (VstMidiEvent) * _capacity));
+
+ if (_events == 0 || _midi_events == 0) {
+ free (_events);
+ free (_midi_events);
+ throw failed_constructor ();
+ }
+
+ _events->numEvents = 0;
+ _events->reserved = 0;
+}
+
+BufferSet::VSTBuffer::~VSTBuffer ()
+{
+ free (_events);
+ free (_midi_events);
+}
+
+void
+BufferSet::VSTBuffer::clear ()
+{
+ _events->numEvents = 0;
+}
+
+void
+BufferSet::VSTBuffer::push_back (Evoral::MIDIEvent<framepos_t> const & ev)
+{
+ if (ev.size() > 3) {
+ /* XXX: this will silently drop MIDI messages longer than 3 bytes, so
+ they won't be passed to VST plugins or VSTis
+ */
+ return;
+ }
+ int const n = _events->numEvents;
+ assert (n < (int) _capacity);
+
+ _events->events[n] = reinterpret_cast<VstEvent*> (_midi_events + n);
+ VstMidiEvent* v = reinterpret_cast<VstMidiEvent*> (_events->events[n]);
+
+ v->type = kVstMidiType;
+ v->byteSize = sizeof (VstMidiEvent);
+ v->deltaFrames = ev.time ();
+
+ v->flags = 0;
+ v->detune = 0;
+ v->noteLength = 0;
+ v->noteOffset = 0;
+ v->reserved1 = 0;
+ v->reserved2 = 0;
+ v->noteOffVelocity = 0;
+ memcpy (v->midiData, ev.buffer(), ev.size());
+ v->midiData[3] = 0;
+
+ _events->numEvents++;
+}
+
+#endif /* WINDOWS_VST_SUPPORT */
+
+/** Copy buffers of one type from `in' to this BufferSet */
void
-BufferSet::read_from (const BufferSet& in, nframes_t nframes)
+BufferSet::read_from (const BufferSet& in, framecnt_t nframes, DataType type)
+{
+ assert (available().get (type) >= in.count().get (type));
+
+ BufferSet::iterator o = begin (type);
+ for (BufferSet::const_iterator i = in.begin (type); i != in.end (type); ++i, ++o) {
+ o->read_from (*i, nframes);
+ }
+
+ _count.set (type, in.count().get (type));
+}
+
+/** Copy buffers of all types from `in' to this BufferSet */
+void
+BufferSet::read_from (const BufferSet& in, framecnt_t nframes)
{
assert(available() >= in.count());
// Copy all buffers 1:1
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
- BufferSet::iterator o = begin(*t);
- for (BufferSet::const_iterator i = in.begin(*t); i != in.end(*t); ++i, ++o) {
- o->read_from (*i, nframes);
- }
+ read_from (in, nframes, *t);
}
-
- set_count(in.count());
}
void
-BufferSet::merge_from (const BufferSet& in, nframes_t nframes)
+BufferSet::merge_from (const BufferSet& in, framecnt_t nframes)
{
/* merge all input buffers into out existing buffers.
}
void
-BufferSet::silence (nframes_t nframes, nframes_t offset)
+BufferSet::silence (framecnt_t nframes, framecnt_t offset)
{
for (std::vector<BufferVec>::iterator i = _buffers.begin(); i != _buffers.end(); ++i) {
for (BufferVec::iterator b = i->begin(); b != i->end(); ++b) {
}
void
-BufferSet::is_silent (bool yn)
+BufferSet::set_is_silent (bool yn)
{
for (std::vector<BufferVec>::iterator i = _buffers.begin(); i != _buffers.end(); ++i) {
for (BufferVec::iterator b = i->begin(); b != i->end(); ++b) {
- (*b)->is_silent (yn);
+ (*b)->set_is_silent (yn);
}
}
-
+
}
} // namespace ARDOUR