X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fbuffer_set.cc;h=156cf4dd3fe583c68223ef5c9b6235d311c38c31;hb=bb98baf4136f00cdad0aa962758aa6231478344a;hp=70f75985f70e145a558bb24c7ed4717f5cf4f4e7;hpb=477bc772beaf1214e309edd4fb748621c07e2e7b;p=ardour.git diff --git a/libs/ardour/buffer_set.cc b/libs/ardour/buffer_set.cc index 70f75985f7..156cf4dd3f 100644 --- a/libs/ardour/buffer_set.cc +++ b/libs/ardour/buffer_set.cc @@ -23,15 +23,23 @@ #include #include +#include + +#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" +#include "lv2_evbuf.h" +#endif +#if defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT +#include "ardour/vestige/aeffectx.h" #endif namespace ARDOUR { @@ -39,7 +47,6 @@ namespace ARDOUR { /** Create a new, empty BufferSet */ BufferSet::BufferSet() : _is_mirror(false) - , _is_silent(false) { for (size_t i=0; i < DataType::num_types; ++i) { _buffers.push_back(BufferVec()); @@ -70,31 +77,70 @@ BufferSet::clear() _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 */ @@ -138,12 +184,25 @@ BufferSet::ensure_buffers(DataType type, size_t num_buffers, size_t buffer_capac _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) { while (_lv2_buffers.size() < _buffers[type].size() * 2) { - _lv2_buffers.push_back(std::make_pair(false, new LV2EventBuffer(buffer_capacity))); + _lv2_buffers.push_back( + std::make_pair(false, lv2_evbuf_new(buffer_capacity, + LV2_EVBUF_EVENT, + LV2Plugin::_chunk_type, + LV2Plugin::_sequence_type))); + } + } +#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 @@ -161,68 +220,9 @@ BufferSet::ensure_buffers(DataType type, size_t num_buffers, size_t buffer_capac 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. @@ -250,65 +250,180 @@ BufferSet::get(DataType type, size_t i) const return *_buffers[type][i]; } -#ifdef HAVE_SLV2 +#ifdef LV2_SUPPORT -LV2EventBuffer& -BufferSet::get_lv2_midi(bool input, size_t i) +LV2_Evbuf* +BufferSet::get_lv2_midi(bool input, size_t i, bool old_api) { - MidiBuffer& mbuf = get_midi(i); - LV2Buffers::value_type b = _lv2_buffers.at(i * 2 + (input ? 0 : 1)); - LV2EventBuffer* ebuf = b.second; + assert(count().get(DataType::MIDI) > i); - ebuf->reset(); + MidiBuffer& mbuf = get_midi(i); + LV2Buffers::value_type b = _lv2_buffers.at(i * 2 + (input ? 0 : 1)); + LV2_Evbuf* evbuf = b.second; + lv2_evbuf_set_type(evbuf, old_api ? LV2_EVBUF_EVENT : LV2_EVBUF_ATOM); + + lv2_evbuf_reset(evbuf, input); if (input) { + DEBUG_TRACE(PBD::DEBUG::LV2, + string_compose("%1 bytes of MIDI waiting @ %2\n", + mbuf.size(), (void*) mbuf.data())); + + LV2_Evbuf_Iterator i = lv2_evbuf_begin(evbuf); + const uint32_t type = LV2Plugin::midi_event_type(old_api); for (MidiBuffer::iterator e = mbuf.begin(); e != mbuf.end(); ++e) { - const Evoral::MIDIEvent ev(*e, false); - uint32_t type = LV2Plugin::midi_event_type(); - ebuf->append(ev.time(), 0, type, ev.size(), ev.buffer()); + const Evoral::MIDIEvent ev(*e, false); +#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\tev[" << x << "] = " << std::hex << (int) ev.buffer()[x] << std::dec << std::endl; + DEBUG_TRACE (PBD::DEBUG::LV2, ss.str()); + } +#endif + lv2_evbuf_write(&i, ev.time(), 0, type, ev.size(), ev.buffer()); } } - return *ebuf; + return evbuf; } void BufferSet::flush_lv2_midi(bool input, size_t i) { - MidiBuffer& mbuf = get_midi(i); - LV2Buffers::value_type b = _lv2_buffers.at(i * 2 + (input ? 0 : 1)); - LV2EventBuffer* ebuf = b.second; + MidiBuffer& mbuf = get_midi(i); + LV2Buffers::value_type b = _lv2_buffers.at(i * 2 + (input ? 0 : 1)); + LV2_Evbuf* evbuf = b.second; mbuf.silence(0, 0); - for (ebuf->rewind(); ebuf->is_valid(); ebuf->increment()) { + for (LV2_Evbuf_Iterator i = lv2_evbuf_begin(evbuf); + lv2_evbuf_is_valid(i); + i = lv2_evbuf_next(i)) { uint32_t frames; uint32_t subframes; - uint16_t type; - uint16_t size; + uint32_t type; + uint32_t size; uint8_t* data; - ebuf->get_event(&frames, &subframes, &type, &size, &data); + lv2_evbuf_get(i, &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 (malloc (sizeof (VstEvents) + _capacity * sizeof (VstEvent *))); + _midi_events = static_cast (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::read_from (const BufferSet& in, nframes_t nframes) +BufferSet::VSTBuffer::push_back (Evoral::MIDIEvent 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 (_midi_events + n); + VstMidiEvent* v = reinterpret_cast (_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, 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. @@ -326,7 +441,7 @@ BufferSet::merge_from (const BufferSet& in, nframes_t nframes) } void -BufferSet::silence (nframes_t nframes, nframes_t offset) +BufferSet::silence (framecnt_t nframes, framecnt_t offset) { for (std::vector::iterator i = _buffers.begin(); i != _buffers.end(); ++i) { for (BufferVec::iterator b = i->begin(); b != i->end(); ++b) { @@ -336,14 +451,14 @@ BufferSet::silence (nframes_t nframes, nframes_t offset) } void -BufferSet::is_silent (bool yn) +BufferSet::set_is_silent (bool yn) { for (std::vector::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