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-rw-r--r--backends/midi/adlib.cpp21
-rw-r--r--backends/midi/alsa.cpp82
-rw-r--r--backends/midi/coreaudio.cpp15
-rw-r--r--backends/midi/null.cpp6
-rw-r--r--backends/midi/quicktime.cpp30
-rw-r--r--backends/midi/windows.cpp196
6 files changed, 62 insertions, 288 deletions
diff --git a/backends/midi/adlib.cpp b/backends/midi/adlib.cpp
index affa88afd8..dfa3d9aab1 100644
--- a/backends/midi/adlib.cpp
+++ b/backends/midi/adlib.cpp
@@ -488,11 +488,9 @@ class MidiDriver_ADLIB : public MidiDriver {
public:
MidiDriver_ADLIB();
- int open(int mode);
+ int open();
void close();
void send(uint32 b);
- void pause(bool p) { }
- void set_stream_callback(void *param, StreamCallback *sc) { } // No streaming support. Use MidiStreamer wrapper
uint32 property (int prop, uint32 param);
void setPitchBendRange (byte channel, uint range);
@@ -511,7 +509,7 @@ public:
MidiChannel *getPercussionChannel() { return NULL; } // Percussion currently not supported
private:
- int _mode;
+ bool _isOpen;
bool _game_SmallHeader;
FM_OPL *_opl;
@@ -720,15 +718,14 @@ MidiDriver_ADLIB::MidiDriver_ADLIB()
_parts[i].init (this);
}
_game_SmallHeader = false;
+ _isOpen = false;
}
-int MidiDriver_ADLIB::open (int mode)
+int MidiDriver_ADLIB::open ()
{
- if (_mode != 0)
+ if (_isOpen)
return MERR_ALREADY_OPEN;
- if (mode != MO_SIMPLE)
- return MERR_STREAMING_NOT_AVAILABLE;
- _mode = mode;
+ _isOpen = true;
int i;
MidiChannelAdl *mc;
@@ -750,6 +747,7 @@ int MidiDriver_ADLIB::open (int mode)
_mixer = g_mixer;
_mixer->setupPremix(this, premix_proc);
+
return 0;
}
@@ -763,13 +761,12 @@ void MidiDriver_ADLIB::close()
// Detach the premix callback handler
_mixer->setupPremix (0, 0);
+
+ _isOpen = false;
}
void MidiDriver_ADLIB::send (uint32 b)
{
- if (_mode != MO_SIMPLE)
- error("MidiDriver_ADLIB::send called but driver is not in simple mode");
-
//byte param3 = (byte) ((b >> 24) & 0xFF);
byte param2 = (byte) ((b >> 16) & 0xFF);
byte param1 = (byte) ((b >> 8) & 0xFF);
diff --git a/backends/midi/alsa.cpp b/backends/midi/alsa.cpp
index 538b0cd74b..c150dc11a8 100644
--- a/backends/midi/alsa.cpp
+++ b/backends/midi/alsa.cpp
@@ -51,72 +51,33 @@
class MidiDriver_ALSA:public MidiDriver_MPU401 {
public:
MidiDriver_ALSA();
- int open(int mode);
+ int open();
void close();
void send(uint32 b);
- void pause(bool p);
- void set_stream_callback(void *param, StreamCallback *sc);
- // void setPitchBendRange (byte channel, uint range);
private:
void send_event(int do_flush);
+ bool _isOpen;
snd_seq_event_t ev;
- StreamCallback *_stream_proc;
- void *_stream_param;
- int _mode;
snd_seq_t *seq_handle;
int seq_client, seq_port;
int my_client, my_port;
static int parse_addr(char *arg, int *client, int *port);
};
-MidiDriver_ALSA::MidiDriver_ALSA():_mode(0), seq_handle(0), seq_client(0), seq_port(0), my_client(0),
-my_port(0)
+MidiDriver_ALSA::MidiDriver_ALSA()
+ : _isOpen(false), seq_handle(0), seq_client(0), seq_port(0), my_client(0), my_port(0)
{
}
-int MidiDriver_ALSA::parse_addr(char *arg, int *client, int *port)
-{
- char *p;
-
- if (isdigit(*arg)) {
- if ((p = strpbrk(arg, ADDR_DELIM)) == NULL)
- return -1;
- *client = atoi(arg);
- *port = atoi(p + 1);
- } else {
- if (*arg == 's' || *arg == 'S') {
- *client = SND_SEQ_ADDRESS_SUBSCRIBERS;
- *port = 0;
- } else
- return -1;
- }
- return 0;
-}
-
-void MidiDriver_ALSA::send_event(int do_flush)
-{
- snd_seq_ev_set_direct(&ev);
- snd_seq_ev_set_source(&ev, my_port);
- snd_seq_ev_set_dest(&ev, seq_client, seq_port);
-
- snd_seq_event_output(seq_handle, &ev);
- if (do_flush)
- snd_seq_flush_output(seq_handle);
-}
-
-int MidiDriver_ALSA::open(int mode)
+int MidiDriver_ALSA::open()
{
char *var;
unsigned int caps;
- if (_mode != 0)
+ if (_isOpen)
return MERR_ALREADY_OPEN;
-
- if (mode != MO_SIMPLE)
- return MERR_STREAMING_NOT_AVAILABLE;
-
- _mode = mode;
+ _isOpen = true;
if (!(var = getenv("SCUMMVM_PORT"))) {
// default alsa port if none specified
@@ -225,17 +186,34 @@ void MidiDriver_ALSA::send(uint32 b)
}
}
-void MidiDriver_ALSA::pause(bool p)
+int MidiDriver_ALSA::parse_addr(char *arg, int *client, int *port)
{
- if (_mode == MO_STREAMING) {
- /* Err... and what? */
+ char *p;
+
+ if (isdigit(*arg)) {
+ if ((p = strpbrk(arg, ADDR_DELIM)) == NULL)
+ return -1;
+ *client = atoi(arg);
+ *port = atoi(p + 1);
+ } else {
+ if (*arg == 's' || *arg == 'S') {
+ *client = SND_SEQ_ADDRESS_SUBSCRIBERS;
+ *port = 0;
+ } else
+ return -1;
}
+ return 0;
}
-void MidiDriver_ALSA::set_stream_callback(void *param, StreamCallback *sc)
+void MidiDriver_ALSA::send_event(int do_flush)
{
- _stream_param = param;
- _stream_proc = sc;
+ snd_seq_ev_set_direct(&ev);
+ snd_seq_ev_set_source(&ev, my_port);
+ snd_seq_ev_set_dest(&ev, seq_client, seq_port);
+
+ snd_seq_event_output(seq_handle, &ev);
+ if (do_flush)
+ snd_seq_flush_output(seq_handle);
}
MidiDriver *MidiDriver_ALSA_create()
diff --git a/backends/midi/coreaudio.cpp b/backends/midi/coreaudio.cpp
index 00cc81e4f5..879162290e 100644
--- a/backends/midi/coreaudio.cpp
+++ b/backends/midi/coreaudio.cpp
@@ -39,30 +39,21 @@
class MidiDriver_CORE : public MidiDriver_MPU401 {
public:
MidiDriver_CORE() : au_MusicDevice(0), au_output(0) { }
- int open(int mode);
+ int open();
void close();
void send(uint32 b);
- void pause(bool p) { }
- void set_stream_callback(void *param, StreamCallback *sc) { }
private:
AudioUnit au_MusicDevice;
AudioUnit au_output;
-
- int _mode;
};
-int MidiDriver_CORE::open(int mode)
+int MidiDriver_CORE::open()
{
if (au_output != NULL)
return MERR_ALREADY_OPEN;
- if (mode == MO_STREAMING)
- return MERR_STREAMING_NOT_AVAILABLE;
-
- _mode = mode;
-
int err;
AudioUnitConnection auconnect;
ComponentDescription compdesc;
@@ -106,8 +97,6 @@ void MidiDriver_CORE::close()
// Cleanup
CloseComponent(au_output);
CloseComponent(au_MusicDevice);
-
- _mode = 0;
}
void MidiDriver_CORE::send(uint32 b)
diff --git a/backends/midi/null.cpp b/backends/midi/null.cpp
index 80e30735c2..74612d18cf 100644
--- a/backends/midi/null.cpp
+++ b/backends/midi/null.cpp
@@ -25,14 +25,12 @@
/* NULL driver */
class MidiDriver_NULL : public MidiDriver_MPU401 {
public:
- int open(int mode);
+ int open();
void close() { }
void send(uint32 b) { }
- void pause(bool p) { }
- void set_stream_callback(void *param, StreamCallback *sc) { }
};
-int MidiDriver_NULL::open(int mode)
+int MidiDriver_NULL::open()
{
warning("Music not enabled - MIDI support selected with no MIDI driver available. Try Adlib");
return 0;
diff --git a/backends/midi/quicktime.cpp b/backends/midi/quicktime.cpp
index f08f3e2d79..e447208bf0 100644
--- a/backends/midi/quicktime.cpp
+++ b/backends/midi/quicktime.cpp
@@ -46,11 +46,11 @@
*/
class MidiDriver_QT : public MidiDriver_MPU401 {
public:
- int open(int mode);
+ MidiDriver_QT();
+
+ int open();
void close();
void send(uint32 b);
- void pause(bool p) { }
- void set_stream_callback(void *param, StreamCallback *sc);
void setPitchBendRange (byte channel, uint range);
private:
@@ -58,33 +58,24 @@ private:
NoteChannel qtNoteChannel[16];
NoteRequest simpleNoteRequest;
- StreamCallback *_stream_proc;
- void *_stream_param;
- int _mode;
-
// Pitch bend tracking. Necessary since QTMA handles
// pitch bending so differently from MPU401.
uint16 _pitchbend [16];
byte _pitchbend_range [16];
};
-void MidiDriver_QT::set_stream_callback(void *param, StreamCallback *sc)
+MidiDriver_QT::MidiDriver_QT()
{
- _stream_param = param;
- _stream_proc = sc;
+ qtNoteAllocator = NULL;
}
-int MidiDriver_QT::open(int mode)
+int MidiDriver_QT::open()
{
ComponentResult qtErr = noErr;
int i;
- qtNoteAllocator = NULL;
-
- if (mode == MO_STREAMING)
- return MERR_STREAMING_NOT_AVAILABLE;
-
- _mode = mode;
+ if (qtNoteAllocator != NULL)
+ return MERR_ALREADY_OPEN;
for (i = 0; i < 15; i++)
qtNoteChannel[i] = NULL;
@@ -126,8 +117,6 @@ bail:
void MidiDriver_QT::close()
{
- _mode = 0;
-
for (int i = 0; i < 15; i++) {
if (qtNoteChannel[i] != NULL)
NADisposeNoteChannel(qtNoteAllocator, qtNoteChannel[i]);
@@ -142,9 +131,6 @@ void MidiDriver_QT::close()
void MidiDriver_QT::send(uint32 b)
{
- if (_mode != MO_SIMPLE)
- error("MidiDriver_QT:send called but driver is not in simple mode");
-
MusicMIDIPacket midPacket;
unsigned char *midiCmd = midPacket.data;
midPacket.length = 3;
diff --git a/backends/midi/windows.cpp b/backends/midi/windows.cpp
index e49c62bf27..10653eb928 100644
--- a/backends/midi/windows.cpp
+++ b/backends/midi/windows.cpp
@@ -32,189 +32,41 @@
class MidiDriver_WIN : public MidiDriver_MPU401 {
public:
+ MidiDriver_WIN();
int open(int mode);
void close();
void send(uint32 b);
- void pause(bool p);
- void set_stream_callback(void *param, StreamCallback *sc);
private:
- struct MyMidiHdr {
- MIDIHDR hdr;
- };
-
- enum {
- NUM_PREPARED_HEADERS = 2,
- MIDI_EVENT_SIZE = 64,
- BUFFER_SIZE = MIDI_EVENT_SIZE * 12,
- };
-
- StreamCallback *_stream_proc;
- void *_stream_param;
- int _mode;
-
HMIDIOUT _mo;
- HMIDISTRM _ms;
-
- MyMidiHdr *_prepared_headers;
- uint16 _time_div;
-
- void unprepare();
- void prepare();
void check_error(MMRESULT result);
- void fill_all();
uint32 property(int prop, uint32 param);
-
- static void CALLBACK midi_callback(HMIDIOUT hmo, UINT wMsg,
- DWORD dwInstance, DWORD dwParam1, DWORD dwParam2);
};
-void MidiDriver_WIN::set_stream_callback(void *param, StreamCallback *sc)
-{
- _stream_param = param;
- _stream_proc = sc;
-}
-
-void CALLBACK MidiDriver_WIN::midi_callback(HMIDIOUT hmo, UINT wMsg,
- DWORD dwInstance, DWORD dwParam1, DWORD dwParam2)
+MidiDriver_WIN::MidiDriver_WIN()
{
- switch (wMsg) {
- case MM_MOM_DONE:{
- MidiDriver_WIN *md = ((MidiDriver_WIN *) dwInstance);
- if (md->_mode)
- md->fill_all();
- break;
- }
- }
+ _isOpen = false;
}
-int MidiDriver_WIN::open(int mode)
+int MidiDriver_WIN::open()
{
- if (_mode != 0)
+ if (_isOpen)
return MERR_ALREADY_OPEN;
- _mode = mode;
-
- if (mode == MO_SIMPLE) {
- MMRESULT res = midiOutOpen((HMIDIOUT *) & _mo, MIDI_MAPPER, 0, 0, 0);
- if (res != MMSYSERR_NOERROR)
- check_error(res);
- } else {
- // Streaming mode
- MIDIPROPTIMEDIV mptd;
- UINT _midi_device_id = 0;
-
- check_error(midiStreamOpen(&_ms, &_midi_device_id, 1,
- (uint32)midi_callback, (uint32)this, CALLBACK_FUNCTION));
-
- prepare();
-
- mptd.cbStruct = sizeof(mptd);
- mptd.dwTimeDiv = _time_div;
+ _isOpen = true;
- check_error(midiStreamProperty(_ms, (byte *)&mptd, MIDIPROP_SET | MIDIPROP_TIMEDIV));
-
- fill_all();
- }
+ MMRESULT res = midiOutOpen((HMIDIOUT *) &_mo, MIDI_MAPPER, 0, 0, 0);
+ if (res != MMSYSERR_NOERROR)
+ check_error(res);
return 0;
}
-void MidiDriver_WIN::fill_all()
-{
- if (_stream_proc == NULL) {
- error("MidiDriver_WIN::fill_all() called, but _stream_proc==NULL");
- }
-
- uint i;
- MyMidiHdr *mmh = _prepared_headers;
- MidiEvent my_evs[64];
-
- for (i = 0; i != NUM_PREPARED_HEADERS; i++, mmh++) {
- if (!(mmh->hdr.dwFlags & MHDR_INQUEUE)) {
- int num = _stream_proc(_stream_param, my_evs, 64);
- int i;
-
- // End of stream?
- if (num == 0)
- break;
-
- MIDIEVENT *ev = (MIDIEVENT *)mmh->hdr.lpData;
- MidiEvent *my_ev = my_evs;
-
- for (i = 0; i != num; i++, my_ev++) {
- ev->dwStreamID = 0;
- ev->dwDeltaTime = my_ev->delta;
-
- switch (my_ev->event >> 24) {
- case 0:
- ev->dwEvent = my_ev->event;
- break;
- case ME_TEMPO:
- // Change tempo event
- ev->dwEvent = (ME_TEMPO << 24) | (my_ev->event & 0xFFFFFF);
- break;
- default:
- error("Invalid event type passed");
- }
-
- // Increase stream pointer by 12 bytes.
- // (Need to be 12 bytes, and sizeof(MIDIEVENT) is 16)
- ev = (MIDIEVENT *)((byte *)ev + 12);
- }
-
- mmh->hdr.dwBytesRecorded = num * 12;
- check_error(midiStreamOut(_ms, &mmh->hdr, sizeof(mmh->hdr)));
- }
- }
-}
-
-void MidiDriver_WIN::prepare()
-{
- int i;
- MyMidiHdr *mmh;
-
- _prepared_headers = (MyMidiHdr *) calloc(sizeof(MyMidiHdr), 2);
-
- for (i = 0, mmh = _prepared_headers; i != NUM_PREPARED_HEADERS; i++, mmh++) {
- mmh->hdr.dwBufferLength = BUFFER_SIZE;
- mmh->hdr.lpData = (LPSTR) calloc(BUFFER_SIZE, 1);
-
- check_error(midiOutPrepareHeader((HMIDIOUT) _ms, &mmh->hdr, sizeof(mmh->hdr)));
- }
-}
-
-void MidiDriver_WIN::unprepare()
-{
- uint i;
- MyMidiHdr *mmh = _prepared_headers;
-
- for (i = 0; i != NUM_PREPARED_HEADERS; i++, mmh++) {
- check_error(midiOutUnprepareHeader((HMIDIOUT) _ms, &mmh->hdr, sizeof(mmh->hdr)));
- free(mmh->hdr.lpData);
- mmh->hdr.lpData = NULL;
- }
-
- free(_prepared_headers);
-}
-
void MidiDriver_WIN::close()
{
- int mode_was = _mode;
- _mode = 0;
-
- switch (mode_was) {
- case MO_SIMPLE:
- check_error(midiOutClose(_mo));
- break;
- case MO_STREAMING:;
- check_error(midiStreamStop(_ms));
- check_error(midiOutReset((HMIDIOUT) _ms));
- unprepare();
- check_error(midiStreamClose(_ms));
- break;
- }
+ _isOpen = false;
+ check_error(midiOutClose(_mo));
}
void MidiDriver_WIN::send(uint32 b)
@@ -224,9 +76,6 @@ void MidiDriver_WIN::send(uint32 b)
BYTE bData[4];
} u;
- if (_mode != MO_SIMPLE)
- error("MidiDriver_WIN:send called but driver is not in simple mode");
-
u.bData[3] = (byte)((b & 0xFF000000) >> 24);
u.bData[2] = (byte)((b & 0x00FF0000) >> 16);
u.bData[1] = (byte)((b & 0x0000FF00) >> 8);
@@ -236,16 +85,6 @@ void MidiDriver_WIN::send(uint32 b)
check_error(midiOutShortMsg(_mo, u.dwData));
}
-void MidiDriver_WIN::pause(bool p)
-{
- if (_mode == MO_STREAMING) {
- if (p)
- check_error(midiStreamPause(_ms));
- else
- check_error(midiStreamRestart(_ms));
- }
-}
-
void MidiDriver_WIN::check_error(MMRESULT result)
{
char buf[200];
@@ -255,19 +94,6 @@ void MidiDriver_WIN::check_error(MMRESULT result)
}
}
-uint32 MidiDriver_WIN::property(int prop, uint32 param)
-{
- switch (prop) {
-
- // 16-bit time division per the standard MIDI specification
- case PROP_TIMEDIV:
- _time_div = (uint16)param;
- return 1;
- }
-
- return 0;
-}
-
MidiDriver *MidiDriver_WIN_create()
{
return new MidiDriver_WIN();