Broke MidiStreamer into .h and .cpp components.

svn-id: r5682

simon/midi.cpp

@@ -24,13 +24,10 @@
 #include "scummsys.h"
 #include "common/system.h"
 #include "common/file.h"
-#include "sound/mididrv.h"
+#include "sound/midistreamer.h"
 #include "sound/mixer.h"
 #include "simon/simon.h"
 
-// FIXME: This is a horrible place to put this, but for now....
-#include "sound/midistreamer.cpp"
-
 MidiPlayer::MidiPlayer() {
 	// Since initialize() is called every time the music changes,
 	// this is where we'll initialize stuff that must persist

sound/midistreamer.cpp

@@ -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_count (0),
 _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 @@ void MidiStreamer::set_stream_callback (void *param, StreamCallback *sc)
 		_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));

sound/midistreamer.h

@@ -0,0 +1,64 @@
+/* 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.
+ *
+ * $Header$
+ *
+ */
+
+#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