Update fluidsynth

Fix potential crashes in case fluid-synth runs into an OOM error,
and address a const-cast compiler warning.

Switch to track github repo (instead of sf.net git)

4 files changed, 18 insertions, 5 deletions

diff --git a/libs/fluidsynth/src/fluid_midi.c b/libs/fluidsynth/src/fluid_midi.c
index 171952fcae..fc58d839ef 100644
--- a/libs/fluidsynth/src/fluid_midi.c
+++ b/libs/fluidsynth/src/fluid_midi.c
@@ -372,10 +372,17 @@ fluid_midi_file_read_track(fluid_midi_file *mf, fluid_player_t *player, int num)
             }
 
             /* Skip remaining track data, if any */
-            if (mf->trackpos < mf->tracklen)
-                fluid_midi_file_skip(mf, mf->tracklen - mf->trackpos);
+            if (mf->trackpos < mf->tracklen) {
+                if (fluid_midi_file_skip(mf, mf->tracklen - mf->trackpos) != FLUID_OK) {
+                    delete_fluid_track(track);
+                    return FLUID_FAILED;
+                }
+            }
 
-            fluid_player_add_track(player, track);
+            if (fluid_player_add_track(player, track) != FLUID_OK) {
+                delete_fluid_track(track);
+                return FLUID_FAILED;
+            }
 
         } else {
             found_track = 0;
diff --git a/libs/fluidsynth/src/fluid_settings.c b/libs/fluidsynth/src/fluid_settings.c
index 56de8c71d7..181484ecc3 100644
--- a/libs/fluidsynth/src/fluid_settings.c
+++ b/libs/fluidsynth/src/fluid_settings.c
@@ -443,7 +443,7 @@ fluid_settings_set(fluid_settings_t* settings, const char *name, void* value)
 /** returns 1 if the value has been registered correctly, 0
     otherwise */
 int
-fluid_settings_register_str(fluid_settings_t* settings, char* name, char* def, int hints,
+fluid_settings_register_str(fluid_settings_t* settings, const char* name, const char* def, int hints,
 			    fluid_str_update_t fun, void* data)
 {
   fluid_setting_node_t *node;
diff --git a/libs/fluidsynth/src/fluid_settings.h b/libs/fluidsynth/src/fluid_settings.h
index 0eb1f97286..244f0b457b 100644
--- a/libs/fluidsynth/src/fluid_settings.h
+++ b/libs/fluidsynth/src/fluid_settings.h
@@ -37,7 +37,7 @@ typedef int (*fluid_int_update_t)(void* data, const char* name, int value);
 
 /** returns 0 if the value has been registered correctly, non-zero
     otherwise */
-int fluid_settings_register_str(fluid_settings_t* settings, char* name, char* def, int hints,
+int fluid_settings_register_str(fluid_settings_t* settings, const char* name, const char* def, int hints,
 			       fluid_str_update_t fun, void* data);
 
 /** returns 0 if the value has been registered correctly, non-zero
diff --git a/libs/fluidsynth/src/fluid_synth.c b/libs/fluidsynth/src/fluid_synth.c
index a12260c7b0..8a30e250ba 100644
--- a/libs/fluidsynth/src/fluid_synth.c
+++ b/libs/fluidsynth/src/fluid_synth.c
@@ -2544,6 +2544,12 @@ fluid_synth_process(fluid_synth_t* synth, int len, int nin, float** in,
     int i;
     left = FLUID_ARRAY(float*, nout/2);
     right = FLUID_ARRAY(float*, nout/2);
+    if ((left == NULL) || (right == NULL)) {
+      FLUID_LOG(FLUID_ERR, "Out of memory.");
+      FLUID_FREE(left);
+      FLUID_FREE(right);
+      return FLUID_FAILED;
+    }
     for(i=0; i<nout/2; i++) {
       left[i] = out[2*i];
       right[i] = out[2*i+1];