From 89551c3bd4f45e54e594b9d620ccfd22775f8d93 Mon Sep 17 00:00:00 2001
From: Patrice Mandin <patmandin@gmail.com>
Date: Sat, 9 Jul 2005 14:39:59 +0000
Subject: [PATCH] Add RWops support also for native midi gpl (todo: mac and
 win32 native midi)

---
 music.c                           | 17 ++++++++++++++---
 native_midi/native_midi.h         |  3 +++
 native_midi/native_midi_mac.c     |  5 +++++
 native_midi/native_midi_win32.c   |  5 +++++
 native_midi_gpl/native_midi_gpl.c | 24 ++++++++++++++++++++++++
 5 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/music.c b/music.c
index 01d406d6..441d1a45 100644
--- a/music.c
+++ b/music.c
@@ -1355,10 +1355,21 @@ Mix_Music *Mix_LoadMUS_RW(SDL_RWops *rw) {
 	/* MIDI files have the magic four bytes "MThd" */
 	if ( strcmp((char *)magic, "MThd") == 0 ) {
 		music->type = MUS_MID;
+		music->error = 1;
+#ifdef USE_NATIVE_MIDI
+		if ( native_midi_ok ) {
+			music->data.nativemidi = native_midi_loadsong_RW(rw);
+			if ( music->data.nativemidi ) {
+				music->error = 0;
+			}
+		} MIDI_ELSE
+#endif
 #ifdef USE_TIMIDITY_MIDI
-		music->data.midi = Timidity_LoadSong_RW(rw);
-		if ( music->data.midi == NULL ) {
-			music->error = 1;
+		if ( timidity_ok ) {
+			music->data.midi = Timidity_LoadSong_RW(rw);
+			if ( music->data.midi ) {
+				music->error = 0;
+			}
 		}
 #endif
 	} else
diff --git a/native_midi/native_midi.h b/native_midi/native_midi.h
index 5869def4..3b8e6db6 100644
--- a/native_midi/native_midi.h
+++ b/native_midi/native_midi.h
@@ -23,10 +23,13 @@
 #ifndef _NATIVE_MIDI_H_
 #define _NATIVE_MIDI_H_
 
+#include <SDL_rwops.h>
+
 typedef struct _NativeMidiSong NativeMidiSong;
 
 int native_midi_detect();
 NativeMidiSong *native_midi_loadsong(char *midifile);
+NativeMidiSong *native_midi_loadsong_RW(SDL_RWops *rw);
 void native_midi_freesong(NativeMidiSong *song);
 void native_midi_start(NativeMidiSong *song);
 void native_midi_stop();
diff --git a/native_midi/native_midi_mac.c b/native_midi/native_midi_mac.c
index 3590a27a..a9569f06 100644
--- a/native_midi/native_midi_mac.c
+++ b/native_midi/native_midi_mac.c
@@ -150,6 +150,11 @@ NativeMidiSong *native_midi_loadsong(char *midifile)
 	return NULL;
 }
 
+NativeMidiSong *native_midi_loadsong_RW(SDL_RWops *rw)
+{
+	return NULL;
+}
+
 void native_midi_freesong(NativeMidiSong *song)
 {
 	if(!song || !song->tuneSequence)
diff --git a/native_midi/native_midi_win32.c b/native_midi/native_midi_win32.c
index 0631c291..89546834 100644
--- a/native_midi/native_midi_win32.c
+++ b/native_midi/native_midi_win32.c
@@ -215,6 +215,11 @@ NativeMidiSong *native_midi_loadsong(char *midifile)
   return newsong;
 }
 
+NativeMidiSong *native_midi_loadsong_RW(SDL_RWops *rw)
+{
+	return NULL;
+}
+
 void native_midi_freesong(NativeMidiSong *song)
 {
   if (hMidiStream)
diff --git a/native_midi_gpl/native_midi_gpl.c b/native_midi_gpl/native_midi_gpl.c
index 2fc85c15..d783b74f 100644
--- a/native_midi_gpl/native_midi_gpl.c
+++ b/native_midi_gpl/native_midi_gpl.c
@@ -212,6 +212,30 @@ NativeMidiSong *native_midi_loadsong(char *midifile)
     return NULL;
 }
 
+NativeMidiSong *native_midi_loadsong_RW(SDL_RWops *rw)
+{
+	NativeMidiSong	*song = NULL;
+	char 		*extra;
+
+	song = malloc(sizeof(NativeMidiSong));
+	if (!song) {
+		return NULL;
+	};
+
+	SDL_RWseek(rw, 0, SEEK_END);
+	song->file_size = SDL_RWtell(rw, 0, SEEK_CUR);
+	SDL_RWseek(rw, 0, SEEK_SET);
+
+	song->filebuf = malloc(song->file_size);
+	if (!song->filebuf) {
+		free(song);
+		return NULL;
+	}
+
+	SDL_RWread(rw, song->filebuf, song->file_size, 1);
+	return song;
+}
+
 void native_midi_freesong(NativeMidiSong *song)
 {
     free(song->filebuf);