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Diffstat (limited to 'src/lib/portmidi/pmmacosxcm.c')
-rw-r--r--src/lib/portmidi/pmmacosxcm.c1486
1 files changed, 743 insertions, 743 deletions
diff --git a/src/lib/portmidi/pmmacosxcm.c b/src/lib/portmidi/pmmacosxcm.c
index 71177dded11..f7dcff24665 100644
--- a/src/lib/portmidi/pmmacosxcm.c
+++ b/src/lib/portmidi/pmmacosxcm.c
@@ -1,13 +1,13 @@
/*
* Platform interface to the MacOS X CoreMIDI framework
- *
+ *
* Jon Parise <jparise at cmu.edu>
* and subsequent work by Andrew Zeldis and Zico Kolter
* and Roger B. Dannenberg
*
* $Id: pmmacosx.c,v 1.17 2002/01/27 02:40:40 jon Exp $
*/
-
+
/* Notes:
since the input and output streams are represented by MIDIEndpointRef
values and almost no other state, we store the MIDIEndpointRef on
@@ -16,7 +16,7 @@
the error text. We use a structure with two kinds of
host error: "error" and "callback_error". That way, asynchronous callbacks
do not interfere with other error information.
-
+
OS X does not seem to have an error-code-to-text function, so we will
just use text messages instead of error codes.
*/
@@ -45,21 +45,21 @@
#define MAX_BYTES_PER_S 14000
/* Apple reports that packets are dropped when the MIDI bytes/sec
- exceeds 15000. This is computed by "tracking the number of MIDI
+ exceeds 15000. This is computed by "tracking the number of MIDI
bytes scheduled into 1-second buckets over the last six seconds
- and averaging these counts."
+ and averaging these counts."
- This is apparently based on timestamps, not on real time, so
+ This is apparently based on timestamps, not on real time, so
we have to avoid constructing packets that schedule high speed
output even if the actual writes are delayed (which was my first
solution).
- The LIMIT_RATE symbol, if defined, enables code to modify
+ The LIMIT_RATE symbol, if defined, enables code to modify
timestamps as follows:
After each packet is formed, the next allowable timestamp is
computed as this_packet_time + this_packet_len * delay_per_byte
- This is the minimum timestamp allowed in the next packet.
+ This is the minimum timestamp allowed in the next packet.
Note that this distorts accurate timestamps somewhat.
*/
@@ -82,36 +82,36 @@
#define NULL_REF NULL
#endif
-static MIDIClientRef client = NULL_REF; /* Client handle to the MIDI server */
-static MIDIPortRef portIn = NULL_REF; /* Input port handle */
-static MIDIPortRef portOut = NULL_REF; /* Output port handle */
+static MIDIClientRef client = NULL_REF; /* Client handle to the MIDI server */
+static MIDIPortRef portIn = NULL_REF; /* Input port handle */
+static MIDIPortRef portOut = NULL_REF; /* Output port handle */
extern pm_fns_node pm_macosx_in_dictionary;
extern pm_fns_node pm_macosx_out_dictionary;
typedef struct midi_macosxcm_struct {
- PmTimestamp sync_time; /* when did we last determine delta? */
- UInt64 delta; /* difference between stream time and real time in ns */
- UInt64 last_time; /* last output time in host units*/
- int first_message; /* tells midi_write to sychronize timestamps */
- int sysex_mode; /* middle of sending sysex */
- uint32_t sysex_word; /* accumulate data when receiving sysex */
- uint32_t sysex_byte_count; /* count how many received */
- char error[PM_HOST_ERROR_MSG_LEN];
- char callback_error[PM_HOST_ERROR_MSG_LEN];
- Byte packetBuffer[PACKET_BUFFER_SIZE];
- MIDIPacketList *packetList; /* a pointer to packetBuffer */
- MIDIPacket *packet;
- Byte sysex_buffer[SYSEX_BUFFER_SIZE]; /* temp storage for sysex data */
- MIDITimeStamp sysex_timestamp; /* timestamp to use with sysex data */
- /* allow for running status (is running status possible here? -rbd): -cpr */
- unsigned char last_command;
- int32_t last_msg_length;
- /* limit midi data rate (a CoreMidi requirement): */
- UInt64 min_next_time; /* when can the next send take place? */
- int byte_count; /* how many bytes in the next packet list? */
- Float64 us_per_host_tick; /* host clock frequency, units of min_next_time */
- UInt64 host_ticks_per_byte; /* host clock units per byte at maximum rate */
+ PmTimestamp sync_time; /* when did we last determine delta? */
+ UInt64 delta; /* difference between stream time and real time in ns */
+ UInt64 last_time; /* last output time in host units*/
+ int first_message; /* tells midi_write to sychronize timestamps */
+ int sysex_mode; /* middle of sending sysex */
+ uint32_t sysex_word; /* accumulate data when receiving sysex */
+ uint32_t sysex_byte_count; /* count how many received */
+ char error[PM_HOST_ERROR_MSG_LEN];
+ char callback_error[PM_HOST_ERROR_MSG_LEN];
+ Byte packetBuffer[PACKET_BUFFER_SIZE];
+ MIDIPacketList *packetList; /* a pointer to packetBuffer */
+ MIDIPacket *packet;
+ Byte sysex_buffer[SYSEX_BUFFER_SIZE]; /* temp storage for sysex data */
+ MIDITimeStamp sysex_timestamp; /* timestamp to use with sysex data */
+ /* allow for running status (is running status possible here? -rbd): -cpr */
+ unsigned char last_command;
+ int32_t last_msg_length;
+ /* limit midi data rate (a CoreMidi requirement): */
+ UInt64 min_next_time; /* when can the next send take place? */
+ int byte_count; /* how many bytes in the next packet list? */
+ Float64 us_per_host_tick; /* host clock frequency, units of min_next_time */
+ UInt64 host_ticks_per_byte; /* host clock units per byte at maximum rate */
} midi_macosxcm_node, *midi_macosxcm_type;
/* private function declarations */
@@ -124,134 +124,134 @@ char* cm_get_full_endpoint_name(MIDIEndpointRef endpoint);
static int
midi_length(int32_t msg)
{
- int status, high, low;
- static int high_lengths[] = {
- 1, 1, 1, 1, 1, 1, 1, 1, /* 0x00 through 0x70 */
- 3, 3, 3, 3, 2, 2, 3, 1 /* 0x80 through 0xf0 */
- };
- static int low_lengths[] = {
- 1, 2, 3, 2, 1, 1, 1, 1, /* 0xf0 through 0xf8 */
- 1, 1, 1, 1, 1, 1, 1, 1 /* 0xf9 through 0xff */
- };
-
- status = msg & 0xFF;
- high = status >> 4;
- low = status & 15;
-
- return (high != 0xF) ? high_lengths[high] : low_lengths[low];
+ int status, high, low;
+ static int high_lengths[] = {
+ 1, 1, 1, 1, 1, 1, 1, 1, /* 0x00 through 0x70 */
+ 3, 3, 3, 3, 2, 2, 3, 1 /* 0x80 through 0xf0 */
+ };
+ static int low_lengths[] = {
+ 1, 2, 3, 2, 1, 1, 1, 1, /* 0xf0 through 0xf8 */
+ 1, 1, 1, 1, 1, 1, 1, 1 /* 0xf9 through 0xff */
+ };
+
+ status = msg & 0xFF;
+ high = status >> 4;
+ low = status & 15;
+
+ return (high != 0xF) ? high_lengths[high] : low_lengths[low];
}
static PmTimestamp midi_synchronize(PmInternal *midi)
{
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- UInt64 pm_stream_time_2 =
- AudioConvertHostTimeToNanos(AudioGetCurrentHostTime());
- PmTimestamp real_time;
- UInt64 pm_stream_time;
- /* if latency is zero and this is an output, there is no
- time reference and midi_synchronize should never be called */
- assert(midi->time_proc);
- assert(!(midi->write_flag && midi->latency == 0));
- do {
- /* read real_time between two reads of stream time */
- pm_stream_time = pm_stream_time_2;
- real_time = (*midi->time_proc)(midi->time_info);
- pm_stream_time_2 = AudioConvertHostTimeToNanos(AudioGetCurrentHostTime());
- /* repeat if more than 0.5 ms has elapsed */
- } while (pm_stream_time_2 > pm_stream_time + 500000);
- m->delta = pm_stream_time - ((UInt64) real_time * (UInt64) 1000000);
- m->sync_time = real_time;
- return real_time;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ UInt64 pm_stream_time_2 =
+ AudioConvertHostTimeToNanos(AudioGetCurrentHostTime());
+ PmTimestamp real_time;
+ UInt64 pm_stream_time;
+ /* if latency is zero and this is an output, there is no
+ time reference and midi_synchronize should never be called */
+ assert(midi->time_proc);
+ assert(!(midi->write_flag && midi->latency == 0));
+ do {
+ /* read real_time between two reads of stream time */
+ pm_stream_time = pm_stream_time_2;
+ real_time = (*midi->time_proc)(midi->time_info);
+ pm_stream_time_2 = AudioConvertHostTimeToNanos(AudioGetCurrentHostTime());
+ /* repeat if more than 0.5 ms has elapsed */
+ } while (pm_stream_time_2 > pm_stream_time + 500000);
+ m->delta = pm_stream_time - ((UInt64) real_time * (UInt64) 1000000);
+ m->sync_time = real_time;
+ return real_time;
}
static void
-process_packet(MIDIPacket *packet, PmEvent *event,
- PmInternal *midi, midi_macosxcm_type m)
+process_packet(MIDIPacket *packet, PmEvent *event,
+ PmInternal *midi, midi_macosxcm_type m)
{
- /* handle a packet of MIDI messages from CoreMIDI */
- /* there may be multiple short messages in one packet (!) */
- unsigned int remaining_length = packet->length;
- unsigned char *cur_packet_data = packet->data;
- while (remaining_length > 0) {
- if (cur_packet_data[0] == MIDI_SYSEX ||
- /* are we in the middle of a sysex message? */
- (m->last_command == 0 &&
- !(cur_packet_data[0] & MIDI_STATUS_MASK))) {
- m->last_command = 0; /* no running status */
- unsigned int amt = pm_read_bytes(midi, cur_packet_data,
- remaining_length,
- event->timestamp);
- remaining_length -= amt;
- cur_packet_data += amt;
- } else if (cur_packet_data[0] == MIDI_EOX) {
- /* this should never happen, because pm_read_bytes should
- * get and read all EOX bytes*/
- midi->sysex_in_progress = FALSE;
- m->last_command = 0;
- } else if (cur_packet_data[0] & MIDI_STATUS_MASK) {
- /* compute the length of the next (short) msg in packet */
- unsigned int cur_message_length = midi_length(cur_packet_data[0]);
- if (cur_message_length > remaining_length) {
+ /* handle a packet of MIDI messages from CoreMIDI */
+ /* there may be multiple short messages in one packet (!) */
+ unsigned int remaining_length = packet->length;
+ unsigned char *cur_packet_data = packet->data;
+ while (remaining_length > 0) {
+ if (cur_packet_data[0] == MIDI_SYSEX ||
+ /* are we in the middle of a sysex message? */
+ (m->last_command == 0 &&
+ !(cur_packet_data[0] & MIDI_STATUS_MASK))) {
+ m->last_command = 0; /* no running status */
+ unsigned int amt = pm_read_bytes(midi, cur_packet_data,
+ remaining_length,
+ event->timestamp);
+ remaining_length -= amt;
+ cur_packet_data += amt;
+ } else if (cur_packet_data[0] == MIDI_EOX) {
+ /* this should never happen, because pm_read_bytes should
+ * get and read all EOX bytes*/
+ midi->sysex_in_progress = FALSE;
+ m->last_command = 0;
+ } else if (cur_packet_data[0] & MIDI_STATUS_MASK) {
+ /* compute the length of the next (short) msg in packet */
+ unsigned int cur_message_length = midi_length(cur_packet_data[0]);
+ if (cur_message_length > remaining_length) {
#ifdef DEBUG
- printf("PortMidi debug msg: not enough data");
+ printf("PortMidi debug msg: not enough data");
#endif
/* since there's no more data, we're done */
return;
- }
- m->last_msg_length = cur_message_length;
- m->last_command = cur_packet_data[0];
- switch (cur_message_length) {
- case 1:
- event->message = Pm_Message(cur_packet_data[0], 0, 0);
- break;
- case 2:
- event->message = Pm_Message(cur_packet_data[0],
- cur_packet_data[1], 0);
+ }
+ m->last_msg_length = cur_message_length;
+ m->last_command = cur_packet_data[0];
+ switch (cur_message_length) {
+ case 1:
+ event->message = Pm_Message(cur_packet_data[0], 0, 0);
break;
- case 3:
- event->message = Pm_Message(cur_packet_data[0],
- cur_packet_data[1],
- cur_packet_data[2]);
+ case 2:
+ event->message = Pm_Message(cur_packet_data[0],
+ cur_packet_data[1], 0);
break;
- default:
- /* PortMIDI internal error; should never happen */
- assert(cur_message_length == 1);
- return; /* give up on packet if continued after assert */
- }
- pm_read_short(midi, event);
- remaining_length -= m->last_msg_length;
- cur_packet_data += m->last_msg_length;
+ case 3:
+ event->message = Pm_Message(cur_packet_data[0],
+ cur_packet_data[1],
+ cur_packet_data[2]);
+ break;
+ default:
+ /* PortMIDI internal error; should never happen */
+ assert(cur_message_length == 1);
+ return; /* give up on packet if continued after assert */
+ }
+ pm_read_short(midi, event);
+ remaining_length -= m->last_msg_length;
+ cur_packet_data += m->last_msg_length;
} else if (m->last_msg_length > remaining_length + 1) {
- /* we have running status, but not enough data */
+ /* we have running status, but not enough data */
#ifdef DEBUG
- printf("PortMidi debug msg: not enough data in CoreMIDI packet");
+ printf("PortMidi debug msg: not enough data in CoreMIDI packet");
#endif
- /* since there's no more data, we're done */
- return;
+ /* since there's no more data, we're done */
+ return;
} else { /* output message using running status */
- switch (m->last_msg_length) {
- case 1:
- event->message = Pm_Message(m->last_command, 0, 0);
+ switch (m->last_msg_length) {
+ case 1:
+ event->message = Pm_Message(m->last_command, 0, 0);
break;
- case 2:
- event->message = Pm_Message(m->last_command,
- cur_packet_data[0], 0);
+ case 2:
+ event->message = Pm_Message(m->last_command,
+ cur_packet_data[0], 0);
break;
- case 3:
- event->message = Pm_Message(m->last_command,
- cur_packet_data[0],
- cur_packet_data[1]);
+ case 3:
+ event->message = Pm_Message(m->last_command,
+ cur_packet_data[0],
+ cur_packet_data[1]);
break;
- default:
- /* last_msg_length is invalid -- internal PortMIDI error */
- assert(m->last_msg_length == 1);
- }
- pm_read_short(midi, event);
- remaining_length -= (m->last_msg_length - 1);
- cur_packet_data += (m->last_msg_length - 1);
- }
- }
+ default:
+ /* last_msg_length is invalid -- internal PortMIDI error */
+ assert(m->last_msg_length == 1);
+ }
+ pm_read_short(midi, event);
+ remaining_length -= (m->last_msg_length - 1);
+ cur_packet_data += (m->last_msg_length - 1);
+ }
+ }
}
@@ -260,446 +260,446 @@ process_packet(MIDIPacket *packet, PmEvent *event,
static void
readProc(const MIDIPacketList *newPackets, void *refCon, void *connRefCon)
{
- PmInternal *midi;
- midi_macosxcm_type m;
- PmEvent event;
- MIDIPacket *packet;
- unsigned int packetIndex;
- uint32_t now;
- unsigned int status;
-
+ PmInternal *midi;
+ midi_macosxcm_type m;
+ PmEvent event;
+ MIDIPacket *packet;
+ unsigned int packetIndex;
+ uint32_t now;
+ unsigned int status;
+
#ifdef CM_DEBUG
- printf("readProc: numPackets %d: ", newPackets->numPackets);
+ printf("readProc: numPackets %d: ", newPackets->numPackets);
#endif
- /* Retrieve the context for this connection */
- midi = (PmInternal *) connRefCon;
- m = (midi_macosxcm_type) midi->descriptor;
- assert(m);
-
- /* synchronize time references every 100ms */
- now = (*midi->time_proc)(midi->time_info);
- if (m->first_message || m->sync_time + 100 /*ms*/ < now) {
- /* time to resync */
- now = midi_synchronize(midi);
- m->first_message = FALSE;
- }
-
- packet = (MIDIPacket *) &newPackets->packet[0];
- /* printf("readproc packet status %x length %d\n", packet->data[0],
- packet->length); */
- for (packetIndex = 0; packetIndex < newPackets->numPackets; packetIndex++) {
- /* Set the timestamp and dispatch this message */
- event.timestamp = (PmTimestamp) /* explicit conversion */ (
- (AudioConvertHostTimeToNanos(packet->timeStamp) - m->delta) /
- (UInt64) 1000000);
- status = packet->data[0];
- /* process packet as sysex data if it begins with MIDI_SYSEX, or
- MIDI_EOX or non-status byte with no running status */
+ /* Retrieve the context for this connection */
+ midi = (PmInternal *) connRefCon;
+ m = (midi_macosxcm_type) midi->descriptor;
+ assert(m);
+
+ /* synchronize time references every 100ms */
+ now = (*midi->time_proc)(midi->time_info);
+ if (m->first_message || m->sync_time + 100 /*ms*/ < now) {
+ /* time to resync */
+ now = midi_synchronize(midi);
+ m->first_message = FALSE;
+ }
+
+ packet = (MIDIPacket *) &newPackets->packet[0];
+ /* printf("readproc packet status %x length %d\n", packet->data[0],
+ packet->length); */
+ for (packetIndex = 0; packetIndex < newPackets->numPackets; packetIndex++) {
+ /* Set the timestamp and dispatch this message */
+ event.timestamp = (PmTimestamp) /* explicit conversion */ (
+ (AudioConvertHostTimeToNanos(packet->timeStamp) - m->delta) /
+ (UInt64) 1000000);
+ status = packet->data[0];
+ /* process packet as sysex data if it begins with MIDI_SYSEX, or
+ MIDI_EOX or non-status byte with no running status */
#ifdef CM_DEBUG
- printf(" %d", packet->length);
+ printf(" %d", packet->length);
#endif
- if (status == MIDI_SYSEX || status == MIDI_EOX ||
- ((!(status & MIDI_STATUS_MASK)) && !m->last_command)) {
- /* previously was: !(status & MIDI_STATUS_MASK)) {
- * but this could mistake running status for sysex data
- */
- /* reset running status data -cpr */
- m->last_command = 0;
- m->last_msg_length = 0;
- /* printf("sysex packet length: %d\n", packet->length); */
- pm_read_bytes(midi, packet->data, packet->length, event.timestamp);
- } else {
- process_packet(packet, &event, midi, m);
- }
- packet = MIDIPacketNext(packet);
- }
+ if (status == MIDI_SYSEX || status == MIDI_EOX ||
+ ((!(status & MIDI_STATUS_MASK)) && !m->last_command)) {
+ /* previously was: !(status & MIDI_STATUS_MASK)) {
+ * but this could mistake running status for sysex data
+ */
+ /* reset running status data -cpr */
+ m->last_command = 0;
+ m->last_msg_length = 0;
+ /* printf("sysex packet length: %d\n", packet->length); */
+ pm_read_bytes(midi, packet->data, packet->length, event.timestamp);
+ } else {
+ process_packet(packet, &event, midi, m);
+ }
+ packet = MIDIPacketNext(packet);
+ }
#ifdef CM_DEBUG
- printf("\n");
+ printf("\n");
#endif
}
static PmError
midi_in_open(PmInternal *midi, void *driverInfo)
{
- MIDIEndpointRef endpoint;
- midi_macosxcm_type m;
- OSStatus macHostError;
-
- /* insure that we have a time_proc for timing */
- if (midi->time_proc == NULL) {
- if (!Pt_Started())
- Pt_Start(1, 0, 0);
- /* time_get does not take a parameter, so coerce */
- midi->time_proc = (PmTimeProcPtr) Pt_Time;
- }
- endpoint = (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
- if (endpoint == NULL_REF) {
- return pmInvalidDeviceId;
- }
-
- m = (midi_macosxcm_type) pm_alloc(sizeof(midi_macosxcm_node)); /* create */
- midi->descriptor = m;
- if (!m) {
- return pmInsufficientMemory;
- }
- m->error[0] = 0;
- m->callback_error[0] = 0;
- m->sync_time = 0;
- m->delta = 0;
- m->last_time = 0;
- m->first_message = TRUE;
- m->sysex_mode = FALSE;
- m->sysex_word = 0;
- m->sysex_byte_count = 0;
- m->packetList = NULL;
- m->packet = NULL;
- m->last_command = 0;
- m->last_msg_length = 0;
-
- macHostError = MIDIPortConnectSource(portIn, endpoint, midi);
- if (macHostError != noErr) {
- pm_hosterror = macHostError;
- sprintf(pm_hosterror_text,
- "Host error %ld: MIDIPortConnectSource() in midi_in_open()",
- (long) macHostError);
- midi->descriptor = NULL;
- pm_free(m);
- return pmHostError;
- }
-
- return pmNoError;
+ MIDIEndpointRef endpoint;
+ midi_macosxcm_type m;
+ OSStatus macHostError;
+
+ /* insure that we have a time_proc for timing */
+ if (midi->time_proc == NULL) {
+ if (!Pt_Started())
+ Pt_Start(1, 0, 0);
+ /* time_get does not take a parameter, so coerce */
+ midi->time_proc = (PmTimeProcPtr) Pt_Time;
+ }
+ endpoint = (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
+ if (endpoint == NULL_REF) {
+ return pmInvalidDeviceId;
+ }
+
+ m = (midi_macosxcm_type) pm_alloc(sizeof(midi_macosxcm_node)); /* create */
+ midi->descriptor = m;
+ if (!m) {
+ return pmInsufficientMemory;
+ }
+ m->error[0] = 0;
+ m->callback_error[0] = 0;
+ m->sync_time = 0;
+ m->delta = 0;
+ m->last_time = 0;
+ m->first_message = TRUE;
+ m->sysex_mode = FALSE;
+ m->sysex_word = 0;
+ m->sysex_byte_count = 0;
+ m->packetList = NULL;
+ m->packet = NULL;
+ m->last_command = 0;
+ m->last_msg_length = 0;
+
+ macHostError = MIDIPortConnectSource(portIn, endpoint, midi);
+ if (macHostError != noErr) {
+ pm_hosterror = macHostError;
+ sprintf(pm_hosterror_text,
+ "Host error %ld: MIDIPortConnectSource() in midi_in_open()",
+ (long) macHostError);
+ midi->descriptor = NULL;
+ pm_free(m);
+ return pmHostError;
+ }
+
+ return pmNoError;
}
static PmError
midi_in_close(PmInternal *midi)
{
- MIDIEndpointRef endpoint;
- OSStatus macHostError;
- PmError err = pmNoError;
-
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
-
- if (!m) return pmBadPtr;
-
- endpoint = (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
- if (endpoint == NULL_REF) {
- pm_hosterror = pmBadPtr;
- }
-
- /* shut off the incoming messages before freeing data structures */
- macHostError = MIDIPortDisconnectSource(portIn, endpoint);
- if (macHostError != noErr) {
- pm_hosterror = macHostError;
- sprintf(pm_hosterror_text,
- "Host error %ld: MIDIPortDisconnectSource() in midi_in_close()",
- (long) macHostError);
- err = pmHostError;
- }
-
- midi->descriptor = NULL;
- pm_free(midi->descriptor);
-
- return err;
+ MIDIEndpointRef endpoint;
+ OSStatus macHostError;
+ PmError err = pmNoError;
+
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+
+ if (!m) return pmBadPtr;
+
+ endpoint = (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
+ if (endpoint == NULL_REF) {
+ pm_hosterror = pmBadPtr;
+ }
+
+ /* shut off the incoming messages before freeing data structures */
+ macHostError = MIDIPortDisconnectSource(portIn, endpoint);
+ if (macHostError != noErr) {
+ pm_hosterror = macHostError;
+ sprintf(pm_hosterror_text,
+ "Host error %ld: MIDIPortDisconnectSource() in midi_in_close()",
+ (long) macHostError);
+ err = pmHostError;
+ }
+
+ midi->descriptor = NULL;
+ pm_free(midi->descriptor);
+
+ return err;
}
static PmError
midi_out_open(PmInternal *midi, void *driverInfo)
{
- midi_macosxcm_type m;
-
- m = (midi_macosxcm_type) pm_alloc(sizeof(midi_macosxcm_node)); /* create */
- midi->descriptor = m;
- if (!m) {
- return pmInsufficientMemory;
- }
- m->error[0] = 0;
- m->callback_error[0] = 0;
- m->sync_time = 0;
- m->delta = 0;
- m->last_time = 0;
- m->first_message = TRUE;
- m->sysex_mode = FALSE;
- m->sysex_word = 0;
- m->sysex_byte_count = 0;
- m->packetList = (MIDIPacketList *) m->packetBuffer;
- m->packet = NULL;
- m->last_command = 0;
- m->last_msg_length = 0;
- m->min_next_time = 0;
- m->byte_count = 0;
- m->us_per_host_tick = 1000000.0 / AudioGetHostClockFrequency();
- m->host_ticks_per_byte = (UInt64) (1000000.0 /
- (m->us_per_host_tick * MAX_BYTES_PER_S));
- return pmNoError;
+ midi_macosxcm_type m;
+
+ m = (midi_macosxcm_type) pm_alloc(sizeof(midi_macosxcm_node)); /* create */
+ midi->descriptor = m;
+ if (!m) {
+ return pmInsufficientMemory;
+ }
+ m->error[0] = 0;
+ m->callback_error[0] = 0;
+ m->sync_time = 0;
+ m->delta = 0;
+ m->last_time = 0;
+ m->first_message = TRUE;
+ m->sysex_mode = FALSE;
+ m->sysex_word = 0;
+ m->sysex_byte_count = 0;
+ m->packetList = (MIDIPacketList *) m->packetBuffer;
+ m->packet = NULL;
+ m->last_command = 0;
+ m->last_msg_length = 0;
+ m->min_next_time = 0;
+ m->byte_count = 0;
+ m->us_per_host_tick = 1000000.0 / AudioGetHostClockFrequency();
+ m->host_ticks_per_byte = (UInt64) (1000000.0 /
+ (m->us_per_host_tick * MAX_BYTES_PER_S));
+ return pmNoError;
}
static PmError
midi_out_close(PmInternal *midi)
{
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- if (!m) return pmBadPtr;
-
- midi->descriptor = NULL;
- pm_free(midi->descriptor);
-
- return pmNoError;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ if (!m) return pmBadPtr;
+
+ midi->descriptor = NULL;
+ pm_free(midi->descriptor);
+
+ return pmNoError;
}
static PmError
midi_abort(PmInternal *midi)
{
- PmError err = pmNoError;
- OSStatus macHostError;
- MIDIEndpointRef endpoint =
- (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
- macHostError = MIDIFlushOutput(endpoint);
- if (macHostError != noErr) {
- pm_hosterror = macHostError;
- sprintf(pm_hosterror_text,
- "Host error %ld: MIDIFlushOutput()", (long) macHostError);
- err = pmHostError;
- }
- return err;
+ PmError err = pmNoError;
+ OSStatus macHostError;
+ MIDIEndpointRef endpoint =
+ (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
+ macHostError = MIDIFlushOutput(endpoint);
+ if (macHostError != noErr) {
+ pm_hosterror = macHostError;
+ sprintf(pm_hosterror_text,
+ "Host error %ld: MIDIFlushOutput()", (long) macHostError);
+ err = pmHostError;
+ }
+ return err;
}
static PmError
midi_write_flush(PmInternal *midi, PmTimestamp timestamp)
{
- OSStatus macHostError;
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- MIDIEndpointRef endpoint =
- (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
- assert(m);
- assert(endpoint);
- if (m->packet != NULL) {
- /* out of space, send the buffer and start refilling it */
- /* before we can send, maybe delay to limit data rate. OS X allows
- * 15KB/s. */
- UInt64 now = AudioGetCurrentHostTime();
- if (now < m->min_next_time) {
- usleep((useconds_t)
- ((m->min_next_time - now) * m->us_per_host_tick));
- }
- macHostError = MIDISend(portOut, endpoint, m->packetList);
- m->packet = NULL; /* indicate no data in packetList now */
- m->min_next_time = now + m->byte_count * m->host_ticks_per_byte;
- m->byte_count = 0;
- if (macHostError != noErr) goto send_packet_error;
- }
- return pmNoError;
-
+ OSStatus macHostError;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ MIDIEndpointRef endpoint =
+ (MIDIEndpointRef) (long) descriptors[midi->device_id].descriptor;
+ assert(m);
+ assert(endpoint);
+ if (m->packet != NULL) {
+ /* out of space, send the buffer and start refilling it */
+ /* before we can send, maybe delay to limit data rate. OS X allows
+ * 15KB/s. */
+ UInt64 now = AudioGetCurrentHostTime();
+ if (now < m->min_next_time) {
+ usleep((useconds_t)
+ ((m->min_next_time - now) * m->us_per_host_tick));
+ }
+ macHostError = MIDISend(portOut, endpoint, m->packetList);
+ m->packet = NULL; /* indicate no data in packetList now */
+ m->min_next_time = now + m->byte_count * m->host_ticks_per_byte;
+ m->byte_count = 0;
+ if (macHostError != noErr) goto send_packet_error;
+ }
+ return pmNoError;
+
send_packet_error:
- pm_hosterror = macHostError;
- sprintf(pm_hosterror_text,
- "Host error %ld: MIDISend() in midi_write()",
- (long) macHostError);
- return pmHostError;
+ pm_hosterror = macHostError;
+ sprintf(pm_hosterror_text,
+ "Host error %ld: MIDISend() in midi_write()",
+ (long) macHostError);
+ return pmHostError;
}
static PmError
-send_packet(PmInternal *midi, Byte *message, unsigned int messageLength,
- MIDITimeStamp timestamp)
+send_packet(PmInternal *midi, Byte *message, unsigned int messageLength,
+ MIDITimeStamp timestamp)
{
- PmError err;
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- assert(m);
-
- /* printf("add %d to packet %p len %d\n", message[0], m->packet, messageLength); */
- m->packet = MIDIPacketListAdd(m->packetList, sizeof(m->packetBuffer),
- m->packet, timestamp, messageLength,
- message);
- m->byte_count += messageLength;
- if (m->packet == NULL) {
- /* out of space, send the buffer and start refilling it */
- /* make midi->packet non-null to fool midi_write_flush into sending */
- m->packet = (MIDIPacket *) 4;
- /* timestamp is 0 because midi_write_flush ignores timestamp since
- * timestamps are already in packets. The timestamp parameter is here
- * because other API's need it. midi_write_flush can be called
- * from system-independent code that must be cross-API.
- */
- if ((err = midi_write_flush(midi, 0)) != pmNoError) return err;
- m->packet = MIDIPacketListInit(m->packetList);
- assert(m->packet); /* if this fails, it's a programming error */
- m->packet = MIDIPacketListAdd(m->packetList, sizeof(m->packetBuffer),
- m->packet, timestamp, messageLength,
- message);
- assert(m->packet); /* can't run out of space on first message */
- }
- return pmNoError;
-}
+ PmError err;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ assert(m);
+
+ /* printf("add %d to packet %p len %d\n", message[0], m->packet, messageLength); */
+ m->packet = MIDIPacketListAdd(m->packetList, sizeof(m->packetBuffer),
+ m->packet, timestamp, messageLength,
+ message);
+ m->byte_count += messageLength;
+ if (m->packet == NULL) {
+ /* out of space, send the buffer and start refilling it */
+ /* make midi->packet non-null to fool midi_write_flush into sending */
+ m->packet = (MIDIPacket *) 4;
+ /* timestamp is 0 because midi_write_flush ignores timestamp since
+ * timestamps are already in packets. The timestamp parameter is here
+ * because other API's need it. midi_write_flush can be called
+ * from system-independent code that must be cross-API.
+ */
+ if ((err = midi_write_flush(midi, 0)) != pmNoError) return err;
+ m->packet = MIDIPacketListInit(m->packetList);
+ assert(m->packet); /* if this fails, it's a programming error */
+ m->packet = MIDIPacketListAdd(m->packetList, sizeof(m->packetBuffer),
+ m->packet, timestamp, messageLength,
+ message);
+ assert(m->packet); /* can't run out of space on first message */
+ }
+ return pmNoError;
+}
static PmError
midi_write_short(PmInternal *midi, PmEvent *event)
{
- PmTimestamp when = event->timestamp;
- PmMessage what = event->message;
- MIDITimeStamp timestamp;
- UInt64 when_ns;
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- Byte message[4];
- unsigned int messageLength;
-
- if (m->packet == NULL) {
- m->packet = MIDIPacketListInit(m->packetList);
- /* this can never fail, right? failure would indicate something
- unrecoverable */
- assert(m->packet);
- }
-
- /* compute timestamp */
- if (when == 0) when = midi->now;
- /* if latency == 0, midi->now is not valid. We will just set it to zero */
- if (midi->latency == 0) when = 0;
- when_ns = ((UInt64) (when + midi->latency) * (UInt64) 1000000) + m->delta;
- timestamp = (MIDITimeStamp) AudioConvertNanosToHostTime(when_ns);
-
- message[0] = Pm_MessageStatus(what);
- message[1] = Pm_MessageData1(what);
- message[2] = Pm_MessageData2(what);
- messageLength = midi_length(what);
-
- /* make sure we go foreward in time */
- if (timestamp < m->min_next_time) timestamp = m->min_next_time;
-
- #ifdef LIMIT_RATE
- if (timestamp < m->last_time)
- timestamp = m->last_time;
+ PmTimestamp when = event->timestamp;
+ PmMessage what = event->message;
+ MIDITimeStamp timestamp;
+ UInt64 when_ns;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ Byte message[4];
+ unsigned int messageLength;
+
+ if (m->packet == NULL) {
+ m->packet = MIDIPacketListInit(m->packetList);
+ /* this can never fail, right? failure would indicate something
+ unrecoverable */
+ assert(m->packet);
+ }
+
+ /* compute timestamp */
+ if (when == 0) when = midi->now;
+ /* if latency == 0, midi->now is not valid. We will just set it to zero */
+ if (midi->latency == 0) when = 0;
+ when_ns = ((UInt64) (when + midi->latency) * (UInt64) 1000000) + m->delta;
+ timestamp = (MIDITimeStamp) AudioConvertNanosToHostTime(when_ns);
+
+ message[0] = Pm_MessageStatus(what);
+ message[1] = Pm_MessageData1(what);
+ message[2] = Pm_MessageData2(what);
+ messageLength = midi_length(what);
+
+ /* make sure we go foreward in time */
+ if (timestamp < m->min_next_time) timestamp = m->min_next_time;
+
+ #ifdef LIMIT_RATE
+ if (timestamp < m->last_time)
+ timestamp = m->last_time;
m->last_time = timestamp + messageLength * m->host_ticks_per_byte;
- #endif
+ #endif
- /* Add this message to the packet list */
- return send_packet(midi, message, messageLength, timestamp);
+ /* Add this message to the packet list */
+ return send_packet(midi, message, messageLength, timestamp);
}
-static PmError
+static PmError
midi_begin_sysex(PmInternal *midi, PmTimestamp when)
{
- UInt64 when_ns;
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- assert(m);
- m->sysex_byte_count = 0;
-
- /* compute timestamp */
- if (when == 0) when = midi->now;
- /* if latency == 0, midi->now is not valid. We will just set it to zero */
- if (midi->latency == 0) when = 0;
- when_ns = ((UInt64) (when + midi->latency) * (UInt64) 1000000) + m->delta;
- m->sysex_timestamp = (MIDITimeStamp) AudioConvertNanosToHostTime(when_ns);
-
- if (m->packet == NULL) {
- m->packet = MIDIPacketListInit(m->packetList);
- /* this can never fail, right? failure would indicate something
- unrecoverable */
- assert(m->packet);
- }
- return pmNoError;
+ UInt64 when_ns;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ assert(m);
+ m->sysex_byte_count = 0;
+
+ /* compute timestamp */
+ if (when == 0) when = midi->now;
+ /* if latency == 0, midi->now is not valid. We will just set it to zero */
+ if (midi->latency == 0) when = 0;
+ when_ns = ((UInt64) (when + midi->latency) * (UInt64) 1000000) + m->delta;
+ m->sysex_timestamp = (MIDITimeStamp) AudioConvertNanosToHostTime(when_ns);
+
+ if (m->packet == NULL) {
+ m->packet = MIDIPacketListInit(m->packetList);
+ /* this can never fail, right? failure would indicate something
+ unrecoverable */
+ assert(m->packet);
+ }
+ return pmNoError;
}
static PmError
midi_end_sysex(PmInternal *midi, PmTimestamp when)
{
- PmError err;
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- assert(m);
-
- /* make sure we go foreward in time */
- if (m->sysex_timestamp < m->min_next_time)
- m->sysex_timestamp = m->min_next_time;
-
- #ifdef LIMIT_RATE
- if (m->sysex_timestamp < m->last_time)
- m->sysex_timestamp = m->last_time;
- m->last_time = m->sysex_timestamp + m->sysex_byte_count *
- m->host_ticks_per_byte;
- #endif
-
- /* now send what's in the buffer */
- err = send_packet(midi, m->sysex_buffer, m->sysex_byte_count,
- m->sysex_timestamp);
- m->sysex_byte_count = 0;
- if (err != pmNoError) {
- m->packet = NULL; /* flush everything in the packet list */
- return err;
- }
- return pmNoError;
+ PmError err;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ assert(m);
+
+ /* make sure we go foreward in time */
+ if (m->sysex_timestamp < m->min_next_time)
+ m->sysex_timestamp = m->min_next_time;
+
+ #ifdef LIMIT_RATE
+ if (m->sysex_timestamp < m->last_time)
+ m->sysex_timestamp = m->last_time;
+ m->last_time = m->sysex_timestamp + m->sysex_byte_count *
+ m->host_ticks_per_byte;
+ #endif
+
+ /* now send what's in the buffer */
+ err = send_packet(midi, m->sysex_buffer, m->sysex_byte_count,
+ m->sysex_timestamp);
+ m->sysex_byte_count = 0;
+ if (err != pmNoError) {
+ m->packet = NULL; /* flush everything in the packet list */
+ return err;
+ }
+ return pmNoError;
}
static PmError
midi_write_byte(PmInternal *midi, unsigned char byte, PmTimestamp timestamp)
{
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- assert(m);
- if (m->sysex_byte_count >= SYSEX_BUFFER_SIZE) {
- PmError err = midi_end_sysex(midi, timestamp);
- if (err != pmNoError) return err;
- }
- m->sysex_buffer[m->sysex_byte_count++] = byte;
- return pmNoError;
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ assert(m);
+ if (m->sysex_byte_count >= SYSEX_BUFFER_SIZE) {
+ PmError err = midi_end_sysex(midi, timestamp);
+ if (err != pmNoError) return err;
+ }
+ m->sysex_buffer[m->sysex_byte_count++] = byte;
+ return pmNoError;
}
static PmError
midi_write_realtime(PmInternal *midi, PmEvent *event)
{
- /* to send a realtime message during a sysex message, first
- flush all pending sysex bytes into packet list */
- PmError err = midi_end_sysex(midi, 0);
- if (err != pmNoError) return err;
- /* then we can just do a normal midi_write_short */
- return midi_write_short(midi, event);
+ /* to send a realtime message during a sysex message, first
+ flush all pending sysex bytes into packet list */
+ PmError err = midi_end_sysex(midi, 0);
+ if (err != pmNoError) return err;
+ /* then we can just do a normal midi_write_short */
+ return midi_write_short(midi, event);
}
static unsigned int midi_has_host_error(PmInternal *midi)
{
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- return (m->callback_error[0] != 0) || (m->error[0] != 0);
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ return (m->callback_error[0] != 0) || (m->error[0] != 0);
}
static void midi_get_host_error(PmInternal *midi, char *msg, unsigned int len)
{
- midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
- msg[0] = 0; /* initialize to empty string */
- if (m) { /* make sure there is an open device to examine */
- if (m->error[0]) {
- strncpy(msg, m->error, len);
- m->error[0] = 0; /* clear the error */
- } else if (m->callback_error[0]) {
- strncpy(msg, m->callback_error, len);
- m->callback_error[0] = 0; /* clear the error */
- }
- msg[len - 1] = 0; /* make sure string is terminated */
- }
+ midi_macosxcm_type m = (midi_macosxcm_type) midi->descriptor;
+ msg[0] = 0; /* initialize to empty string */
+ if (m) { /* make sure there is an open device to examine */
+ if (m->error[0]) {
+ strncpy(msg, m->error, len);
+ m->error[0] = 0; /* clear the error */
+ } else if (m->callback_error[0]) {
+ strncpy(msg, m->callback_error, len);
+ m->callback_error[0] = 0; /* clear the error */
+ }
+ msg[len - 1] = 0; /* make sure string is terminated */
+ }
}
MIDITimeStamp timestamp_pm_to_cm(PmTimestamp timestamp)
{
- UInt64 nanos;
- if (timestamp <= 0) {
- return (MIDITimeStamp)0;
- } else {
- nanos = (UInt64)timestamp * (UInt64)1000000;
- return (MIDITimeStamp)AudioConvertNanosToHostTime(nanos);
- }
+ UInt64 nanos;
+ if (timestamp <= 0) {
+ return (MIDITimeStamp)0;
+ } else {
+ nanos = (UInt64)timestamp * (UInt64)1000000;
+ return (MIDITimeStamp)AudioConvertNanosToHostTime(nanos);
+ }
}
PmTimestamp timestamp_cm_to_pm(MIDITimeStamp timestamp)
{
- UInt64 nanos;
- nanos = AudioConvertHostTimeToNanos(timestamp);
- return (PmTimestamp)(nanos / (UInt64)1000000);
+ UInt64 nanos;
+ nanos = AudioConvertHostTimeToNanos(timestamp);
+ return (PmTimestamp)(nanos / (UInt64)1000000);
}
@@ -710,70 +710,70 @@ PmTimestamp timestamp_cm_to_pm(MIDITimeStamp timestamp)
// The result should be released by the caller.
CFStringRef EndpointName(MIDIEndpointRef endpoint, bool isExternal)
{
- CFMutableStringRef result = CFStringCreateMutable(NULL, 0);
- CFStringRef str;
-
- // begin with the endpoint's name
- str = NULL;
- MIDIObjectGetStringProperty(endpoint, kMIDIPropertyName, &str);
- if (str != NULL) {
- CFStringAppend(result, str);
- CFRelease(str);
- }
-
- MIDIEntityRef entity = NULL_REF;
- MIDIEndpointGetEntity(endpoint, &entity);
- if (entity == NULL_REF)
- // probably virtual
- return result;
-
- if (CFStringGetLength(result) == 0) {
- // endpoint name has zero length -- try the entity
- str = NULL;
- MIDIObjectGetStringProperty(entity, kMIDIPropertyName, &str);
- if (str != NULL) {
- CFStringAppend(result, str);
- CFRelease(str);
- }
- }
- // now consider the device's name
- MIDIDeviceRef device = NULL_REF;
- MIDIEntityGetDevice(entity, &device);
- if (device == NULL_REF)
- return result;
-
- str = NULL;
- MIDIObjectGetStringProperty(device, kMIDIPropertyName, &str);
- if (CFStringGetLength(result) == 0) {
- CFRelease(result);
- return str;
- }
- if (str != NULL) {
- // if an external device has only one entity, throw away
- // the endpoint name and just use the device name
- if (isExternal && MIDIDeviceGetNumberOfEntities(device) < 2) {
- CFRelease(result);
- return str;
- } else {
- if (CFStringGetLength(str) == 0) {
- CFRelease(str);
- return result;
- }
- // does the entity name already start with the device name?
- // (some drivers do this though they shouldn't)
- // if so, do not prepend
- if (CFStringCompareWithOptions( result, /* endpoint name */
- str /* device name */,
- CFRangeMake(0, CFStringGetLength(str)), 0) != kCFCompareEqualTo) {
- // prepend the device name to the entity name
- if (CFStringGetLength(result) > 0)
- CFStringInsert(result, 0, CFSTR(" "));
- CFStringInsert(result, 0, str);
- }
- CFRelease(str);
- }
- }
- return result;
+ CFMutableStringRef result = CFStringCreateMutable(NULL, 0);
+ CFStringRef str;
+
+ // begin with the endpoint's name
+ str = NULL;
+ MIDIObjectGetStringProperty(endpoint, kMIDIPropertyName, &str);
+ if (str != NULL) {
+ CFStringAppend(result, str);
+ CFRelease(str);
+ }
+
+ MIDIEntityRef entity = NULL_REF;
+ MIDIEndpointGetEntity(endpoint, &entity);
+ if (entity == NULL_REF)
+ // probably virtual
+ return result;
+
+ if (CFStringGetLength(result) == 0) {
+ // endpoint name has zero length -- try the entity
+ str = NULL;
+ MIDIObjectGetStringProperty(entity, kMIDIPropertyName, &str);
+ if (str != NULL) {
+ CFStringAppend(result, str);
+ CFRelease(str);
+ }
+ }
+ // now consider the device's name
+ MIDIDeviceRef device = NULL_REF;
+ MIDIEntityGetDevice(entity, &device);
+ if (device == NULL_REF)
+ return result;
+
+ str = NULL;
+ MIDIObjectGetStringProperty(device, kMIDIPropertyName, &str);
+ if (CFStringGetLength(result) == 0) {
+ CFRelease(result);
+ return str;
+ }
+ if (str != NULL) {
+ // if an external device has only one entity, throw away
+ // the endpoint name and just use the device name
+ if (isExternal && MIDIDeviceGetNumberOfEntities(device) < 2) {
+ CFRelease(result);
+ return str;
+ } else {
+ if (CFStringGetLength(str) == 0) {
+ CFRelease(str);
+ return result;
+ }
+ // does the entity name already start with the device name?
+ // (some drivers do this though they shouldn't)
+ // if so, do not prepend
+ if (CFStringCompareWithOptions( result, /* endpoint name */
+ str /* device name */,
+ CFRangeMake(0, CFStringGetLength(str)), 0) != kCFCompareEqualTo) {
+ // prepend the device name to the entity name
+ if (CFStringGetLength(result) > 0)
+ CFStringInsert(result, 0, CFSTR(" "));
+ CFStringInsert(result, 0, str);
+ }
+ CFRelease(str);
+ }
+ }
+ return result;
}
@@ -781,230 +781,230 @@ CFStringRef EndpointName(MIDIEndpointRef endpoint, bool isExternal)
// The result should be released by the caller.
static CFStringRef ConnectedEndpointName(MIDIEndpointRef endpoint)
{
- CFMutableStringRef result = CFStringCreateMutable(NULL, 0);
- CFStringRef str;
- OSStatus err;
- long i;
-
- // Does the endpoint have connections?
- CFDataRef connections = NULL;
- long nConnected = 0;
- bool anyStrings = false;
- err = MIDIObjectGetDataProperty(endpoint, kMIDIPropertyConnectionUniqueID, &connections);
- if (connections != NULL) {
- // It has connections, follow them
- // Concatenate the names of all connected devices
- nConnected = CFDataGetLength(connections) / (int32_t) sizeof(MIDIUniqueID);
- if (nConnected) {
- const SInt32 *pid = (const SInt32 *)(CFDataGetBytePtr(connections));
- for (i = 0; i < nConnected; ++i, ++pid) {
- MIDIUniqueID id = EndianS32_BtoN(*pid);
- MIDIObjectRef connObject;
- MIDIObjectType connObjectType;
- err = MIDIObjectFindByUniqueID(id, &connObject, &connObjectType);
- if (err == noErr) {
- if (connObjectType == kMIDIObjectType_ExternalSource ||
- connObjectType == kMIDIObjectType_ExternalDestination) {
- // Connected to an external device's endpoint (10.3 and later).
- str = EndpointName((MIDIEndpointRef)(connObject), true);
- } else {
- // Connected to an external device (10.2) (or something else, catch-all)
- str = NULL;
- MIDIObjectGetStringProperty(connObject, kMIDIPropertyName, &str);
- }
- if (str != NULL) {
- if (anyStrings)
- CFStringAppend(result, CFSTR(", "));
- else anyStrings = true;
- CFStringAppend(result, str);
- CFRelease(str);
- }
- }
- }
- }
- CFRelease(connections);
- }
- if (anyStrings)
- return result;
-
- // Here, either the endpoint had no connections, or we failed to obtain names for any of them.
- return EndpointName(endpoint, false);
+ CFMutableStringRef result = CFStringCreateMutable(NULL, 0);
+ CFStringRef str;
+ OSStatus err;
+ long i;
+
+ // Does the endpoint have connections?
+ CFDataRef connections = NULL;
+ long nConnected = 0;
+ bool anyStrings = false;
+ err = MIDIObjectGetDataProperty(endpoint, kMIDIPropertyConnectionUniqueID, &connections);
+ if (connections != NULL) {
+ // It has connections, follow them
+ // Concatenate the names of all connected devices
+ nConnected = CFDataGetLength(connections) / (int32_t) sizeof(MIDIUniqueID);
+ if (nConnected) {
+ const SInt32 *pid = (const SInt32 *)(CFDataGetBytePtr(connections));
+ for (i = 0; i < nConnected; ++i, ++pid) {
+ MIDIUniqueID id = EndianS32_BtoN(*pid);
+ MIDIObjectRef connObject;
+ MIDIObjectType connObjectType;
+ err = MIDIObjectFindByUniqueID(id, &connObject, &connObjectType);
+ if (err == noErr) {
+ if (connObjectType == kMIDIObjectType_ExternalSource ||
+ connObjectType == kMIDIObjectType_ExternalDestination) {
+ // Connected to an external device's endpoint (10.3 and later).
+ str = EndpointName((MIDIEndpointRef)(connObject), true);
+ } else {
+ // Connected to an external device (10.2) (or something else, catch-all)
+ str = NULL;
+ MIDIObjectGetStringProperty(connObject, kMIDIPropertyName, &str);
+ }
+ if (str != NULL) {
+ if (anyStrings)
+ CFStringAppend(result, CFSTR(", "));
+ else anyStrings = true;
+ CFStringAppend(result, str);
+ CFRelease(str);
+ }
+ }
+ }
+ }
+ CFRelease(connections);
+ }
+ if (anyStrings)
+ return result;
+
+ // Here, either the endpoint had no connections, or we failed to obtain names for any of them.
+ return EndpointName(endpoint, false);
}
char* cm_get_full_endpoint_name(MIDIEndpointRef endpoint)
{
#ifdef OLDCODE
- MIDIEntityRef entity;
- MIDIDeviceRef device;
+ MIDIEntityRef entity;
+ MIDIDeviceRef device;
- CFStringRef endpointName = NULL;
- CFStringRef deviceName = NULL;
+ CFStringRef endpointName = NULL;
+ CFStringRef deviceName = NULL;
#endif
- CFStringRef fullName = NULL;
- CFStringEncoding defaultEncoding;
- char* newName;
+ CFStringRef fullName = NULL;
+ CFStringEncoding defaultEncoding;
+ char* newName;
+
+ /* get the default string encoding */
+ defaultEncoding = CFStringGetSystemEncoding();
- /* get the default string encoding */
- defaultEncoding = CFStringGetSystemEncoding();
+ fullName = ConnectedEndpointName(endpoint);
- fullName = ConnectedEndpointName(endpoint);
-
#ifdef OLDCODE
- /* get the entity and device info */
- MIDIEndpointGetEntity(endpoint, &entity);
- MIDIEntityGetDevice(entity, &device);
-
- /* create the nicely formated name */
- MIDIObjectGetStringProperty(endpoint, kMIDIPropertyName, &endpointName);
- MIDIObjectGetStringProperty(device, kMIDIPropertyName, &deviceName);
- if (deviceName != NULL) {
- fullName = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@: %@"),
- deviceName, endpointName);
- } else {
- fullName = endpointName;
- }
-#endif
- /* copy the string into our buffer */
- newName = (char *) malloc(CFStringGetLength(fullName) + 1);
- CFStringGetCString(fullName, newName, CFStringGetLength(fullName) + 1,
- defaultEncoding);
-
- /* clean up */
+ /* get the entity and device info */
+ MIDIEndpointGetEntity(endpoint, &entity);
+ MIDIEntityGetDevice(entity, &device);
+
+ /* create the nicely formated name */
+ MIDIObjectGetStringProperty(endpoint, kMIDIPropertyName, &endpointName);
+ MIDIObjectGetStringProperty(device, kMIDIPropertyName, &deviceName);
+ if (deviceName != NULL) {
+ fullName = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@: %@"),
+ deviceName, endpointName);
+ } else {
+ fullName = endpointName;
+ }
+#endif
+ /* copy the string into our buffer */
+ newName = (char *) malloc(CFStringGetLength(fullName) + 1);
+ CFStringGetCString(fullName, newName, CFStringGetLength(fullName) + 1,
+ defaultEncoding);
+
+ /* clean up */
#ifdef OLDCODE
- if (endpointName) CFRelease(endpointName);
- if (deviceName) CFRelease(deviceName);
+ if (endpointName) CFRelease(endpointName);
+ if (deviceName) CFRelease(deviceName);
#endif
- if (fullName) CFRelease(fullName);
+ if (fullName) CFRelease(fullName);
- return newName;
+ return newName;
}
-
+
pm_fns_node pm_macosx_in_dictionary = {
- none_write_short,
- none_sysex,
- none_sysex,
- none_write_byte,
- none_write_short,
- none_write_flush,
- none_synchronize,
- midi_in_open,
- midi_abort,
- midi_in_close,
- success_poll,
- midi_has_host_error,
- midi_get_host_error,
+ none_write_short,
+ none_sysex,
+ none_sysex,
+ none_write_byte,
+ none_write_short,
+ none_write_flush,
+ none_synchronize,
+ midi_in_open,
+ midi_abort,
+ midi_in_close,
+ success_poll,
+ midi_has_host_error,
+ midi_get_host_error,
};
pm_fns_node pm_macosx_out_dictionary = {
- midi_write_short,
- midi_begin_sysex,
- midi_end_sysex,
- midi_write_byte,
- midi_write_realtime,
- midi_write_flush,
- midi_synchronize,
- midi_out_open,
- midi_abort,
- midi_out_close,
- success_poll,
- midi_has_host_error,
- midi_get_host_error,
+ midi_write_short,
+ midi_begin_sysex,
+ midi_end_sysex,
+ midi_write_byte,
+ midi_write_realtime,
+ midi_write_flush,
+ midi_synchronize,
+ midi_out_open,
+ midi_abort,
+ midi_out_close,
+ success_poll,
+ midi_has_host_error,
+ midi_get_host_error,
};
PmError pm_macosxcm_init(void)
{
- ItemCount numInputs, numOutputs, numDevices;
- MIDIEndpointRef endpoint;
- int i;
- OSStatus macHostError;
- char *error_text;
-
- /* Determine the number of MIDI devices on the system */
- numDevices = MIDIGetNumberOfDevices();
- numInputs = MIDIGetNumberOfSources();
- numOutputs = MIDIGetNumberOfDestinations();
-
- /* Return prematurely if no devices exist on the system
- Note that this is not an error. There may be no devices.
- Pm_CountDevices() will return zero, which is correct and
- useful information
- */
- if (numDevices <= 0) {
- return pmNoError;
- }
-
-
- /* Initialize the client handle */
- macHostError = MIDIClientCreate(CFSTR("PortMidi"), NULL, NULL, &client);
- if (macHostError != noErr) {
- error_text = (char *)"MIDIClientCreate() in pm_macosxcm_init()";
- goto error_return;
- }
-
- /* Create the input port */
- macHostError = MIDIInputPortCreate(client, CFSTR("Input port"), readProc,
- NULL, &portIn);
- if (macHostError != noErr) {
- error_text = (char *)"MIDIInputPortCreate() in pm_macosxcm_init()";
- goto error_return;
- }
-
- /* Create the output port */
- macHostError = MIDIOutputPortCreate(client, CFSTR("Output port"), &portOut);
- if (macHostError != noErr) {
- error_text = (char *)"MIDIOutputPortCreate() in pm_macosxcm_init()";
- goto error_return;
- }
-
- /* Iterate over the MIDI input devices */
- for (i = 0; i < numInputs; i++) {
- endpoint = MIDIGetSource(i);
- if (endpoint == NULL_REF) {
- continue;
- }
-
- /* set the first input we see to the default */
- if (pm_default_input_device_id == -1)
- pm_default_input_device_id = pm_descriptor_index;
-
- /* Register this device with PortMidi */
- pm_add_device((char *)"CoreMIDI", cm_get_full_endpoint_name(endpoint),
- TRUE, (void *) (long) endpoint, &pm_macosx_in_dictionary);
- }
-
- /* Iterate over the MIDI output devices */
- for (i = 0; i < numOutputs; i++) {
- endpoint = MIDIGetDestination(i);
- if (endpoint == NULL_REF) {
- continue;
- }
-
- /* set the first output we see to the default */
- if (pm_default_output_device_id == -1)
- pm_default_output_device_id = pm_descriptor_index;
-
- /* Register this device with PortMidi */
- pm_add_device((char *)"CoreMIDI", cm_get_full_endpoint_name(endpoint),
- FALSE, (void *) (long) endpoint,
- &pm_macosx_out_dictionary);
- }
- return pmNoError;
-
+ ItemCount numInputs, numOutputs, numDevices;
+ MIDIEndpointRef endpoint;
+ int i;
+ OSStatus macHostError;
+ char *error_text;
+
+ /* Determine the number of MIDI devices on the system */
+ numDevices = MIDIGetNumberOfDevices();
+ numInputs = MIDIGetNumberOfSources();
+ numOutputs = MIDIGetNumberOfDestinations();
+
+ /* Return prematurely if no devices exist on the system
+ Note that this is not an error. There may be no devices.
+ Pm_CountDevices() will return zero, which is correct and
+ useful information
+ */
+ if (numDevices <= 0) {
+ return pmNoError;
+ }
+
+
+ /* Initialize the client handle */
+ macHostError = MIDIClientCreate(CFSTR("PortMidi"), NULL, NULL, &client);
+ if (macHostError != noErr) {
+ error_text = (char *)"MIDIClientCreate() in pm_macosxcm_init()";
+ goto error_return;
+ }
+
+ /* Create the input port */
+ macHostError = MIDIInputPortCreate(client, CFSTR("Input port"), readProc,
+ NULL, &portIn);
+ if (macHostError != noErr) {
+ error_text = (char *)"MIDIInputPortCreate() in pm_macosxcm_init()";
+ goto error_return;
+ }
+
+ /* Create the output port */
+ macHostError = MIDIOutputPortCreate(client, CFSTR("Output port"), &portOut);
+ if (macHostError != noErr) {
+ error_text = (char *)"MIDIOutputPortCreate() in pm_macosxcm_init()";
+ goto error_return;
+ }
+
+ /* Iterate over the MIDI input devices */
+ for (i = 0; i < numInputs; i++) {
+ endpoint = MIDIGetSource(i);
+ if (endpoint == NULL_REF) {
+ continue;
+ }
+
+ /* set the first input we see to the default */
+ if (pm_default_input_device_id == -1)
+ pm_default_input_device_id = pm_descriptor_index;
+
+ /* Register this device with PortMidi */
+ pm_add_device((char *)"CoreMIDI", cm_get_full_endpoint_name(endpoint),
+ TRUE, (void *) (long) endpoint, &pm_macosx_in_dictionary);
+ }
+
+ /* Iterate over the MIDI output devices */
+ for (i = 0; i < numOutputs; i++) {
+ endpoint = MIDIGetDestination(i);
+ if (endpoint == NULL_REF) {
+ continue;
+ }
+
+ /* set the first output we see to the default */
+ if (pm_default_output_device_id == -1)
+ pm_default_output_device_id = pm_descriptor_index;
+
+ /* Register this device with PortMidi */
+ pm_add_device((char *)"CoreMIDI", cm_get_full_endpoint_name(endpoint),
+ FALSE, (void *) (long) endpoint,
+ &pm_macosx_out_dictionary);
+ }
+ return pmNoError;
+
error_return:
- pm_hosterror = macHostError;
- sprintf(pm_hosterror_text, "Host error %ld: %s\n", (long) macHostError,
- error_text);
- pm_macosxcm_term(); /* clear out any opened ports */
- return pmHostError;
+ pm_hosterror = macHostError;
+ sprintf(pm_hosterror_text, "Host error %ld: %s\n", (long) macHostError,
+ error_text);
+ pm_macosxcm_term(); /* clear out any opened ports */
+ return pmHostError;
}
void pm_macosxcm_term(void)
{
- if (client != NULL_REF) MIDIClientDispose(client);
- if (portIn != NULL_REF) MIDIPortDispose(portIn);
- if (portOut != NULL_REF) MIDIPortDispose(portOut);
+ if (client != NULL_REF) MIDIClientDispose(client);
+ if (portIn != NULL_REF) MIDIPortDispose(portIn);
+ if (portOut != NULL_REF) MIDIPortDispose(portOut);
}