[Scummvm-cvs-logs] CVS: scummvm/sound mididrv.cpp,1.34,1.35

Oliver Kiehl olki at users.sourceforge.net
Sun Dec 8 12:48:05 CET 2002


Update of /cvsroot/scummvm/scummvm/sound
In directory sc8-pr-cvs1:/tmp/cvs-serv10194/sound

Modified Files:
	mididrv.cpp 
Log Message:
split alsa from mididrv


Index: mididrv.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/sound/mididrv.cpp,v
retrieving revision 1.34
retrieving revision 1.35
diff -u -d -r1.34 -r1.35
--- mididrv.cpp	8 Dec 2002 20:19:01 -0000	1.34
+++ mididrv.cpp	8 Dec 2002 20:47:42 -0000	1.35
@@ -655,225 +655,3 @@
 
 #endif
 
-
-#if defined(UNIX) && defined(USE_ALSA)
-
-#include <alsa/asoundlib.h>
-
-/*
- *     ALSA sequencer driver
- * Mostly cut'n'pasted from Virtual Tiny Keyboard (vkeybd) by Takashi Iwai
- *                                      (you really rox, you know?)
- */
-
-#if SND_LIB_MINOR >= 6
-#define snd_seq_flush_output(x) snd_seq_drain_output(x)
-#define snd_seq_set_client_group(x,name)	/*nop */
-#define my_snd_seq_open(seqp) snd_seq_open(seqp, "hw", SND_SEQ_OPEN_OUTPUT, 0)
-#else
-/* SND_SEQ_OPEN_OUT causes oops on early version of ALSA */
-#define my_snd_seq_open(seqp) snd_seq_open(seqp, SND_SEQ_OPEN)
-#endif
-
-/*
- * parse address string
- */
-
-#define ADDR_DELIM      ".:"
-
-class MidiDriver_ALSA:public MidiDriver_MPU401 {
-public:
-	MidiDriver_ALSA();
-	int open(int mode);
-	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);
-	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)
-{
-}
-
-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)
-{
-	char *var;
-	unsigned int caps;
-
-	if (_mode != 0)
-		return MERR_ALREADY_OPEN;
-
-	if (mode != MO_SIMPLE)
-		return MERR_STREAMING_NOT_AVAILABLE;
-
-	_mode = mode;
-
-	if (!(var = getenv("SCUMMVM_PORT"))) {
-		// default alsa port if none specified
-		if (parse_addr("65:0", &seq_client, &seq_port) < 0) {
-			error("Invalid port %s", var);
-			return -1;
-		}
-	}
-        else {	
-		if (parse_addr(var, &seq_client, &seq_port) < 0) {
-			error("Invalid port %s", var);
-			return -1;
-		}
-	}
-
-	if (my_snd_seq_open(&seq_handle)) {
-		error("Can't open sequencer");
-		return -1;
-	}
-
-	my_client = snd_seq_client_id(seq_handle);
-	snd_seq_set_client_name(seq_handle, "SCUMMVM");
-	snd_seq_set_client_group(seq_handle, "input");
-
-	caps = SND_SEQ_PORT_CAP_READ;
-	if (seq_client == SND_SEQ_ADDRESS_SUBSCRIBERS)
-		caps = ~SND_SEQ_PORT_CAP_SUBS_READ;
-	my_port =
-		snd_seq_create_simple_port(seq_handle, "SCUMMVM", caps,
-															 SND_SEQ_PORT_TYPE_MIDI_GENERIC | SND_SEQ_PORT_TYPE_APPLICATION);
-	if (my_port < 0) {
-		snd_seq_close(seq_handle);
-		error("Can't create port");
-		return -1;
-	}
-
-	if (seq_client != SND_SEQ_ADDRESS_SUBSCRIBERS) {
-		/* subscribe to MIDI port */
-		if (snd_seq_connect_to(seq_handle, my_port, seq_client, seq_port) < 0) {
-			snd_seq_close(seq_handle);
-			error("Can't subscribe to MIDI port (%d:%d)", seq_client, seq_port);
-			return -1;
-		}
-	}
-
-	printf("ALSA client initialised [%d:%d]\n", my_client, my_port);
-
-	return 0;
-}
-
-void MidiDriver_ALSA::close()
-{
-	_mode = 0;
-	if (seq_handle)
-		snd_seq_close(seq_handle);
-}
-
-
-void MidiDriver_ALSA::send(uint32 b)
-{
-	unsigned int midiCmd[4];
-	ev.type = SND_SEQ_EVENT_OSS;
-
-	midiCmd[3] = (b & 0xFF000000) >> 24;
-	midiCmd[2] = (b & 0x00FF0000) >> 16;
-	midiCmd[1] = (b & 0x0000FF00) >> 8;
-	midiCmd[0] = (b & 0x000000FF);
-	ev.data.raw32.d[0] = midiCmd[0];
-	ev.data.raw32.d[1] = midiCmd[1];
-	ev.data.raw32.d[2] = midiCmd[2];
-
-	unsigned char chanID = midiCmd[0] & 0x0F;
-	switch (midiCmd[0] & 0xF0) {
-	case 0x80:
-		snd_seq_ev_set_noteoff(&ev, chanID, midiCmd[1], midiCmd[2]);
-		send_event(1);
-		break;
-	case 0x90:
-		snd_seq_ev_set_noteon(&ev, chanID, midiCmd[1], midiCmd[2]);
-		send_event(1);
-		break;
-	case 0xB0:
-		/* is it this simple ? Wow... */
-		snd_seq_ev_set_controller(&ev, chanID, midiCmd[1], midiCmd[2]);
-		send_event(1);
-		break;
-	case 0xC0:
-		snd_seq_ev_set_pgmchange(&ev, chanID, midiCmd[1]);
-		send_event(0);
-		break;
-
-	case 0xE0:{
-			// long theBend = ((((long)midiCmd[1] + (long)(midiCmd[2] << 7))) - 0x2000) / 4;
-			// snd_seq_ev_set_pitchbend(&ev, chanID, theBend);
-			long theBend = ((long)midiCmd[1] + (long)(midiCmd[2] << 7)) - 0x2000;
-			snd_seq_ev_set_pitchbend(&ev, chanID, theBend);
-			send_event(1);
-		}
-		break;
-
-	default:
-		error("Unknown Command: %08x\n", (int)b);
-		/* I don't know if this works but, well... */
-		send_event(1);
-		break;
-	}
-}
-
-void MidiDriver_ALSA::pause(bool p)
-{
-	if (_mode == MO_STREAMING) {
-		/* Err... and what? */
-	}
-}
-
-void MidiDriver_ALSA::set_stream_callback(void *param, StreamCallback *sc)
-{
-	_stream_param = param;
-	_stream_proc = sc;
-}
-
-MidiDriver *MidiDriver_ALSA_create()
-{
-	return new MidiDriver_ALSA();
-}
-
-#endif





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