From 542356825590c07b72cfc9094669fa9796a48fd0 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Wed, 4 Jan 2012 01:41:10 -0500
Subject: [PATCH] Fixed bug 1360 - fluidsynth backend segfaults sdl-mixer

We need to initialize fluidsynth!
Also cleaned up the other music initialization so they're consistent.
---
 SDL_mixer.h  |  2 +-
 fluidsynth.c |  4 ++++
 music_flac.c | 47 ++++++++++++++++++++++++++---------------------
 music_ogg.c  | 13 +++++++------
 4 files changed, 38 insertions(+), 28 deletions(-)

diff --git a/SDL_mixer.h b/SDL_mixer.h
index d96f48d0..9c25ef6b 100644
--- a/SDL_mixer.h
+++ b/SDL_mixer.h
@@ -70,7 +70,7 @@ typedef enum
     MIX_INIT_MOD         = 0x00000002,
     MIX_INIT_MP3         = 0x00000004,
     MIX_INIT_OGG         = 0x00000008,
-    MIX_INIT_FLUIDSYNTH  = 0x00000016
+    MIX_INIT_FLUIDSYNTH  = 0x00000010
 } MIX_InitFlags;
 
 /* Loads dynamic libraries and prepares them for use.  Flags should be
diff --git a/fluidsynth.c b/fluidsynth.c
index d7a72d1a..8a199570 100644
--- a/fluidsynth.c
+++ b/fluidsynth.c
@@ -71,6 +71,10 @@ static FluidSynthMidiSong *fluidsynth_loadsong_common(int (*function)(FluidSynth
 	FluidSynthMidiSong *song;
 	fluid_settings_t *settings = NULL;
 
+	if (!Mix_Init(MIX_INIT_FLUIDSYNTH)) {
+		return NULL;
+	}
+
 	if ((song = malloc(sizeof(FluidSynthMidiSong)))) {
 		memset(song, 0, sizeof(FluidSynthMidiSong));
 
diff --git a/music_flac.c b/music_flac.c
index c80900b2..e63fc23b 100644
--- a/music_flac.c
+++ b/music_flac.c
@@ -306,6 +306,13 @@ FLAC_music *FLAC_new_RW(SDL_RWops *rw, int freerw)
 	int init_stage = 0;
 	int was_error = 1;
 
+	if (!Mix_Init(MIX_INIT_FLAC)) {
+		if (freerw) {
+			SDL_RWclose(rw);
+		}
+		return NULL;
+	}
+
 	music = (FLAC_music *)malloc ( sizeof (*music));
 	if (music) {
 		/* Initialize the music structure */
@@ -323,35 +330,33 @@ FLAC_music *FLAC_new_RW(SDL_RWops *rw, int freerw)
 		music->flac_data.data_len = 0;
 		music->flac_data.data_read = 0;
 
-		if (Mix_Init(MIX_INIT_FLAC)) {
-			init_stage++; // stage 1!
+		init_stage++; // stage 1!
 
-			music->flac_decoder = flac.FLAC__stream_decoder_new ();
+		music->flac_decoder = flac.FLAC__stream_decoder_new ();
 
-			if (music->flac_decoder != NULL) {
-				init_stage++; // stage 2!
+		if (music->flac_decoder != NULL) {
+			init_stage++; // stage 2!
 
-				if (flac.FLAC__stream_decoder_init_stream(
-							music->flac_decoder,
-							flac_read_music_cb, flac_seek_music_cb,
-							flac_tell_music_cb, flac_length_music_cb,
-							flac_eof_music_cb, flac_write_music_cb,
-							flac_metadata_music_cb, flac_error_music_cb,
-							music) == FLAC__STREAM_DECODER_INIT_STATUS_OK ) {
-					init_stage++; // stage 3!
+			if (flac.FLAC__stream_decoder_init_stream(
+						music->flac_decoder,
+						flac_read_music_cb, flac_seek_music_cb,
+						flac_tell_music_cb, flac_length_music_cb,
+						flac_eof_music_cb, flac_write_music_cb,
+						flac_metadata_music_cb, flac_error_music_cb,
+						music) == FLAC__STREAM_DECODER_INIT_STATUS_OK ) {
+				init_stage++; // stage 3!
 
-					if (flac.FLAC__stream_decoder_process_until_end_of_metadata
-											(music->flac_decoder)) {
-						was_error = 0;
-					} else {
-						SDL_SetError("FLAC__stream_decoder_process_until_end_of_metadata() failed");
-					}
+				if (flac.FLAC__stream_decoder_process_until_end_of_metadata
+										(music->flac_decoder)) {
+					was_error = 0;
 				} else {
-					SDL_SetError("FLAC__stream_decoder_init_stream() failed");
+					SDL_SetError("FLAC__stream_decoder_process_until_end_of_metadata() failed");
 				}
 			} else {
-				SDL_SetError("FLAC__stream_decoder_new() failed");
+				SDL_SetError("FLAC__stream_decoder_init_stream() failed");
 			}
+		} else {
+			SDL_SetError("FLAC__stream_decoder_new() failed");
 		}
 
 		if (was_error) {
diff --git a/music_ogg.c b/music_ogg.c
index 3fbba04c..5a3a2971 100644
--- a/music_ogg.c
+++ b/music_ogg.c
@@ -72,6 +72,13 @@ OGG_music *OGG_new_RW(SDL_RWops *rw, int freerw)
 	OGG_music *music;
 	ov_callbacks callbacks;
 
+	if ( !Mix_Init(MIX_INIT_OGG) ) {
+		if ( freerw ) {
+			SDL_RWclose(rw);
+		}
+		return(NULL);
+	}
+
 	SDL_memset(&callbacks, 0, sizeof(callbacks));
 	callbacks.read_func = sdl_read_func;
 	callbacks.seek_func = sdl_seek_func;
@@ -87,12 +94,6 @@ OGG_music *OGG_new_RW(SDL_RWops *rw, int freerw)
 		OGG_setvolume(music, MIX_MAX_VOLUME);
 		music->section = -1;
 
-		if ( !Mix_Init(MIX_INIT_OGG) ) {
-			if ( freerw ) {
-				SDL_RWclose(rw);
-			}
-			return(NULL);
-		}
 		if ( vorbis.ov_open_callbacks(rw, &music->vf, NULL, 0, callbacks) < 0 ) {
 			free(music);
 			if ( freerw ) {