Improvements to Audio Worklets support for Web Audio.

Public issue https://github.com/mackron/miniaudio/issues/597

examples/build/README.md

@@ -11,6 +11,10 @@ path like "C:\emsdk\emsdk_env.bat". Note that PowerShell doesn't work for me for
     emcc ../simple_playback_sine.c -o bin/simple_playback_sine.html
     emcc ../simple_playback_sine.c -o bin/simple_playback_sine.html -s WASM=0 -Wall -Wextra
     
+To compile with support for Audio Worklets:
+
+    emcc ../simple_playback_sine.c -o bin/simple_playback_sine.html -DMA_ENABLE_AUDIO_WORKLETS -sAUDIO_WORKLET=1 -sWASM_WORKERS=1 -sASYNCIFY
+
 If you output WASM it may not work when running the web page locally. To test you can run with something
 like this:
 

tests/test_emscripten/ma_test_emscripten.c

+#define MA_DEBUG_OUTPUT
 #define MA_NO_DECODING
 #define MA_NO_ENCODING
 #define MINIAUDIO_IMPLEMENTATION
@@ -73,12 +74,13 @@ static void do_duplex()
 
     deviceConfig = ma_device_config_init(ma_device_type_duplex);
     deviceConfig.capture.pDeviceID  = NULL;
-    deviceConfig.capture.format     = ma_format_s16;
+    deviceConfig.capture.format     = DEVICE_FORMAT;
     deviceConfig.capture.channels   = 2;
     deviceConfig.capture.shareMode  = ma_share_mode_shared;
     deviceConfig.playback.pDeviceID = NULL;
-    deviceConfig.playback.format    = ma_format_s16;
+    deviceConfig.playback.format    = DEVICE_FORMAT;
     deviceConfig.playback.channels  = 2;
+    deviceConfig.sampleRate         = DEVICE_SAMPLE_RATE;
     deviceConfig.dataCallback       = data_callback_duplex;
     result = ma_device_init(NULL, &deviceConfig, &device);
     if (result != MA_SUCCESS) {