[Scummvm-cvs-logs] CVS: scummvm/sound midistreamer.h,NONE,1.1 midistreamer.cpp,1.3,1.4

Jamieson Christian jamieson630 at users.sourceforge.net
Thu Nov 21 11:27:05 CET 2002


Update of /cvsroot/scummvm/scummvm/sound
In directory sc8-pr-cvs1:/tmp/cvs-serv11819/scummvm/sound

Modified Files:
	midistreamer.cpp 
Added Files:
	midistreamer.h 
Log Message:
Broke MidiStreamer into .h and .cpp components.

--- NEW FILE: midistreamer.h ---
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001/2002 The ScummVM project
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/sound/midistreamer.h,v 1.1 2002/11/21 19:26:44 jamieson630 Exp $
 *
 */

#ifndef INCLUDED_MIDISTREAMER
#define INCLUDED_MIDISTREAMER

class MidiStreamer;

#include "mididrv.h"

class MidiStreamer : public MidiDriver {
private:
	MidiDriver *_target;
	StreamCallback *_stream_proc;
	void *_stream_param;
	int _mode;
	bool _paused;

	MidiEvent _events [64];
	int _event_count;
	int _event_index;

	long _driver_tempo;
	long _tempo;
	uint16 _ticks_per_beat;
	long _delay;

	uint32 property(int prop, uint32 param);
	static void timer_thread (void *param);
	void on_timer();

public:
	MidiStreamer (MidiDriver *target);

	int open(int mode);
	void close();
	void send(uint32 b) { if (_mode) _target->send (b); }
	void pause(bool p) { _paused = p; }
	void set_stream_callback(void *param, StreamCallback *sc);
	void setPitchBendRange (byte channel, uint range) { _target->setPitchBendRange (channel, range); }

	void setTimerCallback (void *timer_param, void (*timer_proc) (void *)) { }
	uint32 getBaseTempo (void) { return _target->getBaseTempo(); }
};

#endif

Index: midistreamer.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/sound/midistreamer.cpp,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- midistreamer.cpp	21 Nov 2002 19:06:42 -0000	1.3
+++ midistreamer.cpp	21 Nov 2002 19:26:44 -0000	1.4
@@ -19,49 +19,10 @@
  *
  */
 
-
-#include "stdafx.h"
-#include "mididrv.h"
-#include "engine.h"
+// #include "stdafx.h"
+#include "midistreamer.h"
 #include "common/util.h"
 
-class MidiStreamer : public MidiDriver {
-private:
-	MidiDriver *_target;
-	StreamCallback *_stream_proc;
-	void *_stream_param;
-	volatile int _mode;
-	volatile bool _paused;
-
-	MidiEvent _events [64];
-	int _event_count;
-	int _event_index;
-
-	long _driver_tempo;
-	long _tempo;
-	uint16 _ticks_per_beat;
-	long _delay;
-
-	volatile bool _active;
-
-	uint32 property(int prop, uint32 param);
-	static void timer_thread (void *param);
-	void on_timer();
-
-public:
-	MidiStreamer (MidiDriver *target);
-
-	int open(int mode);
-	void close();
-	void send(uint32 b) { if (_mode) _target->send (b); }
-	void pause(bool p) { _paused = p; }
-	void set_stream_callback(void *param, StreamCallback *sc);
-	void setPitchBendRange (byte channel, uint range) { _target->setPitchBendRange (channel, range); }
-
-	void setTimerCallback (void *timer_param, void (*timer_proc) (void *)) { }
-	uint32 getBaseTempo (void) { return _target->getBaseTempo(); }
-};
-
 MidiStreamer::MidiStreamer (MidiDriver *target) :
 _target (target),
 _stream_proc (0),
@@ -72,8 +33,7 @@
 _event_index (0),
 _tempo (500000), // 120 BPM = 500,000 microseconds between each beat
 _ticks_per_beat (96),
-_delay (0),
-_active (false)
+_delay (0)
 { }
 
 void MidiStreamer::set_stream_callback (void *param, StreamCallback *sc)
@@ -86,41 +46,17 @@
 		_event_index = 0;
 	}
 }
-/*
-int MidiStreamer::timer_thread (void *param) {
-	MidiStreamer *mid = (MidiStreamer *) param;
-	int old_time, cur_time;
-	while (mid->_mode) {
-		g_system->delay_msecs (100);
-		while (!mid->_stream_proc);
-		old_time = g_system->get_msecs();
-		while (!mid->_paused) {
-			g_system->delay_msecs(10);
 
-			cur_time = g_system->get_msecs();
-			while (old_time < cur_time) {
-				old_time += 10;
-				mid->on_timer();
-			}
-		}
-	}
-
-	// Turn off all notes on all channels,
-	// just to catch anything still playing.
-	int i;
-	for (i = 0; i < 16; ++i)
-		mid->_target->send ((0x7B << 8) | 0xB0 | i);
-	mid->_active = false;
-	return 0;
-}
-*/
 void MidiStreamer::timer_thread (void *param) {
 	((MidiStreamer *) param)->on_timer();
 }
 
 void MidiStreamer::on_timer()
 {
-	_delay += _driver_tempo; // 10000;
+	if (_paused || !_stream_proc)
+		return;
+
+	_delay += _driver_tempo;
 	while (true) {
 		if (_event_index >= _event_count) {
 			_event_count = _stream_proc (_stream_param, _events, ARRAYSIZE (_events));





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