From fc0fe9335b75c1a127586ec89eb234db8d66b3d4 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Mon, 16 Dec 2019 10:33:55 +0300
Subject: [PATCH] timidity: minor warning fixes

based on a patch by Wohlstand
---
 src/codecs/timidity/instrum.c  | 1 +
 src/codecs/timidity/playmidi.c | 4 ++--
 src/codecs/timidity/readmidi.c | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/codecs/timidity/instrum.c b/src/codecs/timidity/instrum.c
index dedbea0b..6cc9ff73 100644
--- a/src/codecs/timidity/instrum.c
+++ b/src/codecs/timidity/instrum.c
@@ -160,6 +160,7 @@ static Instrument *load_instrument(MidiSong *song, char *name, int percussion,
   char tmp[1024];
   int i,j,noluck=0;
   static char *patch_ext[] = PATCH_EXT_LIST;
+  (void)percussion; /* unused */
 
   if (!name) return 0;
   
diff --git a/src/codecs/timidity/playmidi.c b/src/codecs/timidity/playmidi.c
index 674dccdd..9e1f06e8 100644
--- a/src/codecs/timidity/playmidi.c
+++ b/src/codecs/timidity/playmidi.c
@@ -65,7 +65,7 @@ static void reset_midi(MidiSong *song)
   reset_voices(song);
 }
 
-static void select_sample(MidiSong *song, int v, Instrument *ip, int vel)
+static void select_sample(MidiSong *song, int v, Instrument *ip)
 {
   Sint32 f, cdiff, diff;
   int s,i;
@@ -268,7 +268,7 @@ static void start_note(MidiSong *song, MidiEvent *e, int i)
 	song->voice[i].orig_frequency = freq_table[(int)(ip->sample->note_to_use)];
       else
 	song->voice[i].orig_frequency = freq_table[e->a & 0x7F];
-      select_sample(song, i, ip, e->b);
+      select_sample(song, i, ip);
     }
 
   song->voice[i].status = VOICE_ON;
diff --git a/src/codecs/timidity/readmidi.c b/src/codecs/timidity/readmidi.c
index f416a063..8c9c8f58 100644
--- a/src/codecs/timidity/readmidi.c
+++ b/src/codecs/timidity/readmidi.c
@@ -537,7 +537,7 @@ MidiEvent *read_midi_file(MidiSong *song, Sint32 *count, Sint32 *sp)
 	return NULL;
       }
   }
-  len=SDL_SwapBE32(len);
+  len=(Sint32)SDL_SwapBE32((Uint32)len);
   if (memcmp(tmp, "MThd", 4) || len < 6)
     {
       SNDDBG(("Not a MIDI file!\n"));