Fix some typos in OpenAL implementation. (#22073)

Author: geneotech

src/library_openal.js

@@ -726,7 +726,7 @@ var LibraryOpenAL = {
       if (src.bufQueue[src.bufsProcessed].audioBuf !== null) {
         src.bufsProcessed = 0;
         while (offset > src.bufQueue[src.bufsProcessed].audioBuf.duration) {
-          offset -= src.bufQueue[src.bufsProcessed].audiobuf.duration;
+          offset -= src.bufQueue[src.bufsProcessed].audioBuf.duration;
           src.bufsProcessed++;
         }
 
@@ -3071,7 +3071,7 @@ var LibraryOpenAL = {
       return;
     }
     switch (param) {
-    case 'AL_SOURCE_DISTANCE_MODEL':
+    case 0x200 /* AL_SOURCE_DISTANCE_MODEL */:
       AL.currentCtx.sourceDistanceModel = true;
       AL.updateContextGlobal(AL.currentCtx);
       break;
@@ -3093,7 +3093,7 @@ var LibraryOpenAL = {
       return;
     }
     switch (param) {
-    case 'AL_SOURCE_DISTANCE_MODEL':
+    case 0x200 /* AL_SOURCE_DISTANCE_MODEL */:
       AL.currentCtx.sourceDistanceModel = false;
       AL.updateContextGlobal(AL.currentCtx);
       break;
@@ -3115,7 +3115,7 @@ var LibraryOpenAL = {
       return 0;
     }
     switch (param) {
-    case 'AL_SOURCE_DISTANCE_MODEL':
+    case 0x200 /* AL_SOURCE_DISTANCE_MODEL */:
       return AL.currentCtx.sourceDistanceModel ? {{{ cDefs.AL_FALSE }}} : {{{ cDefs.AL_TRUE }}};
     default:
 #if OPENAL_DEBUG

test/openal_playback.cpp

@@ -257,6 +257,11 @@ int main() {
 #elif defined(TEST_ANIMATED_LOOPED_DOPPLER_PLAYBACK)
   printf("You should hear a continuously looping clip of the 1902 piano song \"The Entertainer\" played back at a dynamic playback rate that smoothly varies its pitch according to a sine wave doppler shift. Press OK when confirmed.\n");
 #elif defined(TEST_ANIMATED_LOOPED_PANNED_PLAYBACK)
+  assert(!alIsEnabled(AL_SOURCE_DISTANCE_MODEL));
+  alDisable(AL_SOURCE_DISTANCE_MODEL);
+  assert(!alIsEnabled(AL_SOURCE_DISTANCE_MODEL));
+  alEnable(AL_SOURCE_DISTANCE_MODEL);
+  assert(alIsEnabled(AL_SOURCE_DISTANCE_MODEL));
   printf("You should hear a continuously looping clip of the 1902 piano song \"The Entertainer\" smoothly panning around the listener. Press OK when confirmed.\n");
 #elif defined(TEST_ANIMATED_LOOPED_RELATIVE_PLAYBACK)
   alSourcei(sources[0], AL_SOURCE_RELATIVE, AL_TRUE);