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#include <string.h>
#include <stdlib.h>
#include "rtmidi_c.h"
#include "RtMidi.h"
class CallbackProxyUserData
{
public:
CallbackProxyUserData (RtMidiCCallback cCallback, void *userData)
: c_callback (cCallback), user_data (userData)
{
}
RtMidiCCallback c_callback;
void *user_data;
};
/* misc */
int rtmidi_sizeof_rtmidi_api ()
{
return sizeof (RtMidiApi);
}
/* RtMidi API */
int rtmidi_get_compiled_api (enum RtMidiApi **apis) // return length for NULL argument.
{
if (!apis || !(*apis)) {
std::vector<RtMidi::Api> *v = new std::vector<RtMidi::Api> ();
try {
RtMidi::getCompiledApi (*v);
int size = v->size ();
delete v;
return size;
} catch (...) {
return -1;
}
} else {
try {
std::vector<RtMidi::Api> *v = new std::vector<RtMidi::Api> ();
RtMidi::getCompiledApi (*v);
for (unsigned int i = 0; i < v->size (); i++)
(*apis) [i] = (RtMidiApi) v->at (i);
delete v;
return 0;
} catch (...) {
return -1;
}
}
}
void rtmidi_error (MidiApi *api, enum RtMidiErrorType type, const char* errorString)
{
std::string msg = errorString;
api->error ((RtMidiError::Type) type, msg);
}
void rtmidi_open_port (RtMidiPtr device, unsigned int portNumber, const char *portName)
{
std::string name = portName;
try {
((RtMidi*) device->ptr)->openPort (portNumber, name);
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
}
}
void rtmidi_open_virtual_port (RtMidiPtr device, const char *portName)
{
std::string name = portName;
try {
((RtMidi*) device->ptr)->openVirtualPort (name);
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
}
}
void rtmidi_close_port (RtMidiPtr device)
{
try {
((RtMidi*) device->ptr)->closePort ();
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
}
}
unsigned int rtmidi_get_port_count (RtMidiPtr device)
{
try {
return ((RtMidi*) device->ptr)->getPortCount ();
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
return -1;
}
}
const char* rtmidi_get_port_name (RtMidiPtr device, unsigned int portNumber)
{
try {
std::string name = ((RtMidi*) device->ptr)->getPortName (portNumber);
return strdup (name.c_str ());
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
return "";
}
}
/* RtMidiIn API */
RtMidiInPtr rtmidi_in_create_default ()
{
RtMidiWrapper* wrp = new RtMidiWrapper;
try {
RtMidiIn* rIn = new RtMidiIn ();
wrp->ptr = (void*) rIn;
wrp->ok = true;
wrp->msg = "";
} catch (const RtMidiError & err) {
wrp->ptr = 0;
wrp->ok = false;
wrp->msg = err.what ();
}
return wrp;
}
RtMidiInPtr rtmidi_in_create (enum RtMidiApi api, const char *clientName, unsigned int queueSizeLimit)
{
std::string name = clientName;
RtMidiWrapper* wrp = new RtMidiWrapper;
try {
RtMidiIn* rIn = new RtMidiIn ((RtMidi::Api) api, name, queueSizeLimit);
wrp->ptr = (void*) rIn;
wrp->data = 0;
wrp->ok = true;
wrp->msg = "";
} catch (const RtMidiError & err) {
wrp->ptr = 0;
wrp->data = 0;
wrp->ok = false;
wrp->msg = err.what ();
}
return wrp;
}
void rtmidi_in_free (RtMidiInPtr device)
{
if (device->data)
delete (CallbackProxyUserData*) device->data;
delete (RtMidiIn*) device->ptr;
delete device;
}
enum RtMidiApi rtmidi_in_get_current_api (RtMidiPtr device)
{
try {
return (RtMidiApi) ((RtMidiIn*) device->ptr)->getCurrentApi ();
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
return RT_MIDI_API_UNSPECIFIED;
}
}
static
void callback_proxy (double timeStamp, std::vector<unsigned char> *message, void *userData)
{
CallbackProxyUserData* data = reinterpret_cast<CallbackProxyUserData*> (userData);
data->c_callback (timeStamp, message->data (), data->user_data);
}
void rtmidi_in_set_callback (RtMidiInPtr device, RtMidiCCallback callback, void *userData)
{
device->data = (void*) new CallbackProxyUserData (callback, userData);
try {
((RtMidiIn*) device->ptr)->setCallback (callback_proxy, device->data);
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
delete (CallbackProxyUserData*) device->data;
device->data = 0;
}
}
void rtmidi_in_cancel_callback (RtMidiInPtr device)
{
try {
((RtMidiIn*) device->ptr)->cancelCallback ();
delete (CallbackProxyUserData*) device->data;
device->data = 0;
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
}
}
void rtmidi_in_ignore_types (RtMidiInPtr device, bool midiSysex, bool midiTime, bool midiSense)
{
((RtMidiIn*) device->ptr)->ignoreTypes (midiSysex, midiTime, midiSense);
}
double rtmidi_in_get_message (RtMidiInPtr device,
unsigned char **message,
size_t * size)
{
try {
// FIXME: use allocator to achieve efficient buffering
std::vector<unsigned char> v;
double ret = ((RtMidiIn*) device->ptr)->getMessage (&v);
if (v.size () > 0 && v.size() <= *size) {
memcpy (*message, v.data (), (int) v.size ());
}
*size = v.size();
return ret;
}
catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
return -1;
}
catch (...) {
device->ok = false;
device->msg = "Unknown error";
return -1;
}
}
/* RtMidiOut API */
RtMidiOutPtr rtmidi_out_create_default ()
{
RtMidiWrapper* wrp = new RtMidiWrapper;
try {
RtMidiOut* rOut = new RtMidiOut ();
wrp->ptr = (void*) rOut;
wrp->ok = true;
wrp->msg = "";
} catch (const RtMidiError & err) {
wrp->ptr = 0;
wrp->ok = false;
wrp->msg = err.what ();
}
return wrp;
}
RtMidiOutPtr rtmidi_out_create (enum RtMidiApi api, const char *clientName)
{
RtMidiWrapper* wrp = new RtMidiWrapper;
std::string name = clientName;
try {
RtMidiOut* rOut = new RtMidiOut ((RtMidi::Api) api, name);
wrp->ptr = (void*) rOut;
wrp->ok = true;
wrp->msg = "";
} catch (const RtMidiError & err) {
wrp->ptr = 0;
wrp->ok = false;
wrp->msg = err.what ();
}
return wrp;
}
void rtmidi_out_free (RtMidiOutPtr device)
{
delete (RtMidiOut*) device->ptr;
delete device;
}
enum RtMidiApi rtmidi_out_get_current_api (RtMidiPtr device)
{
try {
return (RtMidiApi) ((RtMidiOut*) device->ptr)->getCurrentApi ();
} catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
return RT_MIDI_API_UNSPECIFIED;
}
}
int rtmidi_out_send_message (RtMidiOutPtr device, const unsigned char *message, int length)
{
try {
// FIXME: use allocator to achieve efficient buffering
std::vector<unsigned char> v (message, message + length);
((RtMidiOut*) device->ptr)->sendMessage (&v);
return 0;
}
catch (const RtMidiError & err) {
device->ok = false;
device->msg = err.what ();
return -1;
}
catch (...) {
device->ok = false;
device->msg = "Unknown error";
return -1;
}
}
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