test: Updated testaudiohotplug to SDL3 audio API.

test/testaudiohotplug.c

@@ -31,9 +31,6 @@ static SDL_AudioSpec spec;
 static Uint8 *sound = NULL; /* Pointer to wave data */
 static Uint32 soundlen = 0; /* Length of wave data */
 
-static int posindex = 0;
-static Uint32 positions[64];
-
 static SDLTest_CommonState *state;
 
 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
@@ -48,31 +45,6 @@ quit(int rc)
     }
 }
 
-static void SDLCALL
-fillerup(void *_pos, Uint8 *stream, int len)
-{
-    Uint32 pos = *((Uint32 *)_pos);
-    Uint8 *waveptr;
-    int waveleft;
-
-    /* Set up the pointers */
-    waveptr = sound + pos;
-    waveleft = soundlen - pos;
-
-    /* Go! */
-    while (waveleft <= len) {
-        SDL_memcpy(stream, waveptr, waveleft);
-        stream += waveleft;
-        len -= waveleft;
-        waveptr = sound;
-        waveleft = soundlen;
-        pos = 0;
-    }
-    SDL_memcpy(stream, waveptr, len);
-    pos += len;
-    *((Uint32 *)_pos) = pos;
-}
-
 static int done = 0;
 
 static void poked(int sig)
@@ -97,28 +69,35 @@ static void iteration(void)
                 done = 1;
             }
         } else if (e.type == SDL_EVENT_AUDIO_DEVICE_ADDED) {
-            int index = e.adevice.which;
-            int iscapture = e.adevice.iscapture;
-            const char *name = SDL_GetAudioDeviceName(index, iscapture);
+            const SDL_AudioDeviceID which = (SDL_AudioDeviceID ) e.adevice.which;
+            const SDL_bool iscapture = e.adevice.iscapture ? SDL_TRUE : SDL_FALSE;
+            char *name = SDL_GetAudioDeviceName(which);
             if (name != NULL) {
-                SDL_Log("New %s audio device at index %u: %s\n", devtypestr(iscapture), (unsigned int)index, name);
+                SDL_Log("New %s audio device at id %u: %s", devtypestr(iscapture), (unsigned int)which, name);
             } else {
-                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Got new %s device at index %u, but failed to get the name: %s\n",
-                             devtypestr(iscapture), (unsigned int)index, SDL_GetError());
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Got new %s device, id %u, but failed to get the name: %s",
+                             devtypestr(iscapture), (unsigned int)which, SDL_GetError());
                 continue;
             }
             if (!iscapture) {
-                positions[posindex] = 0;
-                spec.userdata = &positions[posindex++];
-                spec.callback = fillerup;
-                dev = SDL_OpenAudioDevice(name, 0, &spec, NULL, 0);
+                dev = SDL_OpenAudioDevice(which, &spec);
                 if (!dev) {
                     SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't open '%s': %s\n", name, SDL_GetError());
                 } else {
+                    SDL_AudioStream *stream;
                     SDL_Log("Opened '%s' as %u\n", name, (unsigned int)dev);
-                    SDL_PlayAudioDevice(dev);
+                    stream = SDL_CreateAndBindAudioStream(dev, &spec);
+                    if (!stream) {
+                        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to create/bind an audio stream to %u ('%s'): %s", (unsigned int) dev, name, SDL_GetError());
+                        SDL_CloseAudioDevice(dev);
+                    }
+                    /* !!! FIXME: laziness, this used to loop the audio, but we'll just play it once for now on each connect. */
+                    SDL_PutAudioStreamData(stream, sound, soundlen);
+                    SDL_FlushAudioStream(stream);
+                    /* !!! FIXME: this is leaking the stream for now. We'll wire it up to a dictionary or whatever later. */
                 }
             }
+            SDL_free(name);
         } else if (e.type == SDL_EVENT_AUDIO_DEVICE_REMOVED) {
             dev = (SDL_AudioDeviceID)e.adevice.which;
             SDL_Log("%s device %u removed.\n", devtypestr(e.adevice.iscapture), (unsigned int)dev);
@@ -194,7 +173,7 @@ int main(int argc, char *argv[])
     }
 
     /* Load the wave file into memory */
-    if (SDL_LoadWAV(filename, &spec, &sound, &soundlen) == NULL) {
+    if (SDL_LoadWAV(filename, &spec, &sound, &soundlen) == -1) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s\n", filename, SDL_GetError());
         quit(1);
     }