From b8d1bb93d51b80b8b06f2c7e96098a9570861e4f Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Mon, 21 Nov 2011 00:03:49 +0100
Subject: Progress...

---
 maestropond.c | 64 +++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 38 insertions(+), 26 deletions(-)

diff --git a/maestropond.c b/maestropond.c
index 7385ac8..0c6274c 100644
--- a/maestropond.c
+++ b/maestropond.c
@@ -48,7 +48,8 @@ enum clef
 	CLEF_TREBLE,
 	CLEF_ALTO,
 	CLEF_TENOR,
-	CLEF_BASS
+	CLEF_BASS,
+	CLEF_NONE
 };
 
 enum chord_type
@@ -93,6 +94,7 @@ struct music
 	unsigned int n_staves;
 	unsigned int n_perc;
 	struct stave staves[8];
+	int          tempo;
 
 	/* Maestro music data extracted from file */
 	unsigned int n_gates;
@@ -214,32 +216,39 @@ static void music_attribute(unsigned char ma, struct music *mus)
 		int ct, st;
 		struct chord *n;
 
-		st = (ma & 0x60) >> 5;
-		if ( st > 0 ) st--;  /* Horrible fudge, seems to be necessary */
-		n = add_chord(mus, st);
-		n->type = CHORD_CLEF;
+		/* This seems to mean the clef was deleted */
+		if ( !(ma & 0x80) ) {
 
-		ct = (ma & 0x18) >> 3;
-		switch ( ct ) {
+			st = (ma & 0x60) >> 5;
 
-			case 0 :
-			n->clef = CLEF_TREBLE;
-			break;
+			/* Horrible fudge, seems to be necessary */
+			if ( st > 0 ) st--;
+			n = add_chord(mus, st);
+			n->type = CHORD_CLEF;
 
-			case 1 :
-			n->clef = CLEF_ALTO;
-			break;
+			ct = (ma & 0x18) >> 3;
+			switch ( ct ) {
 
-			case 2 :
-			n->clef = CLEF_TENOR;
-			break;
+				case 0 :
+				n->clef = CLEF_TREBLE;
+				break;
 
-			case 3 :
-			n->clef = CLEF_BASS;
-			break;
-		}
+				case 1 :
+				n->clef = CLEF_ALTO;
+				break;
+
+				case 2 :
+				n->clef = CLEF_TENOR;
+				break;
 
-		mus->staves[st].last_clef = n->clef;
+				case 3 :
+				n->clef = CLEF_BASS;
+				break;
+			}
+
+			mus->staves[st].last_clef = n->clef;
+
+		}
 
 	} else if ( (ma & 0x3) == 0x2 ) {
 
@@ -295,6 +304,10 @@ static struct note pitch_to_note(int pos, int acc, enum clef cl)
 		n.nt = note_letter((pos-1) % 7);
 		break;
 
+		case CLEF_NONE :
+		fprintf(stderr, "No clef yet!\n");
+		break;
+
 		default:
 		abort();
 
@@ -511,11 +524,7 @@ static size_t process_stereo_data(unsigned char *f, size_t ptr, size_t len,
 static size_t process_tempo_data(unsigned char *f, size_t ptr, size_t len,
                                  struct music *mus)
 {
-	int tempo;
-
-	tempo = f[ptr++];
-	printf("Tempo = %i bpm\n", bpm[tempo]);
-
+	mus->tempo = bpm[f[ptr++]];
 	return ptr;
 }
 
@@ -626,6 +635,8 @@ static void write_lilypond(struct music *mus, FILE *ofh)
 {
 	unsigned int i;
 
+	fprintf(ofh, "\\tempo 4 = %i\n", mus->tempo);
+
 	fprintf(ofh, "\\score {\n");
 	fprintf(ofh, " <<\n");
 
@@ -742,6 +753,7 @@ static void convert_file(const char *filename)
 		mus.staves[i].chords = NULL;
 		mus.staves[i].max_chords = 0;
 		mus.staves[i].n_chords = 0;
+		mus.staves[i].last_clef = CLEF_NONE;
 	}
 
 	interpret_gates(&mus);
-- 
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