ardour/livetrax
13
0
Fork 0
Code

change API for shadow ports and filters

Browse Source 
Filter functor needs to be set before registering port, so provide it when adding the port.
This commit is contained in:
Paul Davis 2016-06-20 08:30:21 -04:00
parent 62d2d86b88
commit 8565d61444
2 changed files with 14 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
libs/ardour/ardour/async_midi_port.h
View File

@ -73,8 +73,9 @@ class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
int selectable() const { return -1; }
void set_timer (boost::function<framecnt_t (void)>&);
void set_inbound_filter (boost::function<bool(MidiBuffer&,MidiBuffer&)>);
int add_shadow_port (std::string const &);
typedef boost::function<bool(MidiBuffer&,MidiBuffer&)> MidiFilter;
void set_inbound_filter (MidiFilter);
int add_shadow_port (std::string const &, MidiFilter);
static void set_process_thread (pthread_t);
static pthread_t get_process_thread () { return _process_thread; }
@ -104,8 +105,10 @@ class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port {
void flush_output_fifo (pframes_t);
MidiFilter inbound_midi_filter;
boost::shared_ptr<MidiPort> shadow_port;
boost::function<bool(MidiBuffer&,MidiBuffer&)> inbound_midi_filter;
MidiFilter shadow_midi_filter;
static pthread_t _process_thread;
};

37
libs/ardour/async_midi_port.cc
View File

@ -41,30 +41,6 @@ pthread_t AsyncMIDIPort::_process_thread;
#define port_engine AudioEngine::instance()->port_engine()
static bool
filter_relax (MidiBuffer& in, MidiBuffer& out)
{
return false;
}
static bool
filter_copy (MidiBuffer& in, MidiBuffer& out)
{
out.copy (in);
return false;
}
static bool
filter_notes_only (MidiBuffer& in, MidiBuffer& out)
{
for (MidiBuffer::iterator b = in.begin(); b != in.end(); ++b) {
if ((*b).is_note_on() || (*b).is_note_off()) {
out.push_back (*b);
}
}
return false;
}
AsyncMIDIPort::AsyncMIDIPort (string const & name, PortFlags flags)
: MidiPort (name, flags)
, MIDI::Port (name, MIDI::Port::Flags (0))
@ -74,7 +50,6 @@ AsyncMIDIPort::AsyncMIDIPort (string const & name, PortFlags flags)
, output_fifo (2048)
, input_fifo (1024)
, _xthread (true)
, inbound_midi_filter (boost::bind (filter_notes_only, _1, _2))
{
}
@ -171,11 +146,13 @@ AsyncMIDIPort::cycle_start (MIDI::pframes_t nframes)
_xthread.wakeup ();
}
if (shadow_port) {
inbound_midi_filter (mb, shadow_port->get_midi_buffer (nframes));
} else {
if (inbound_midi_filter) {
inbound_midi_filter (mb, mb);
}
if (shadow_port) {
shadow_midi_filter (mb, shadow_port->get_midi_buffer (nframes));
}
}
}
@ -373,7 +350,7 @@ AsyncMIDIPort::is_process_thread()
}
int
AsyncMIDIPort::add_shadow_port (string const & name)
AsyncMIDIPort::add_shadow_port (string const & name, MidiFilter mf)
{
if (!ARDOUR::Port::receives_input()) {
return -1;
@ -383,6 +360,8 @@ AsyncMIDIPort::add_shadow_port (string const & name)
return -2;
}
shadow_midi_filter = mf;
/* shadow port is not async. */
if (!(shadow_port = boost::dynamic_pointer_cast<MidiPort> (AudioEngine::instance()->register_output_port (DataType::MIDI, name, false)))) {