Hook up audio output to the JS API.

src/CMakeLists.txt

@@ -1,16 +1,16 @@
 
 set(SOURCES
-	adb.c audio.c bmap.c cfgopts.c configuration.c change.c cycInt.c
+	adb.c bmap.c cfgopts.c configuration.c change.c cycInt.c
 	dialog.c dma.c esp.c enet_slirp.c enet_pcap.c ethernet.c file.c
 	floppy.c grab.c ioMem.c ioMemTabNEXT.c ioMemTabTurbo.c keymap.c kms.c
 	m68000.c mo.c nbic.c NextBus.cpp paths.c printer.c queue.c
 	ramdac.c reset.c rom.c rs.c rtcnvram.c scandir.c scc.c host.c
 	scsi.c shortcut.c snd.c statusbar.c str.c sysReg.c tmc.c video.c zip.c)
 
 if (EMSCRIPTEN)
-	set(SOURCES ${SOURCES} file_js.c main_js.c screen_js.c)
+	set(SOURCES ${SOURCES} audio_js.c file_js.c main_js.c screen_js.c)
 else()
-	set(SOURCES ${SOURCES} main.c screen.c)
+	set(SOURCES ${SOURCES} audio.c main.c screen.c)
 endif(EMSCRIPTEN)
 
 # When building for macOS, define specific sources for gui and resources

src/audio_js.c

@@ -0,0 +1,48 @@
+#include "host.h"
+#include "audio.h"
+#include "main.h"
+#include "snd.h"
+#include "sysdeps.h"
+
+#include <emscripten.h>
+
+void Audio_Output_Enable(bool bEnable) {
+
+}
+
+void Audio_Output_Init(void) {
+    uint32_t sample_size = 16;
+    uint32_t channels = 2;
+    EM_ASM_({ workerApi.didOpenAudio($0, $1, $2, $3); }, SOUND_OUT_FREQUENCY, sample_size, channels);
+}
+
+void Audio_Output_UnInit(void) {
+
+}
+
+void Audio_Output_Queue(uint8_t* data, int len) {
+    EM_ASM_({ workerApi.enqueueAudio($0, $1); }, data, len);
+}
+
+void Audio_Output_Queue_Clear(void) {
+
+}
+
+uint32_t Audio_Output_Queue_Size(void) {
+    int js_audio_buffer_size = EM_ASM_INT_V({ return workerApi.audioBufferSize(); });
+    return js_audio_buffer_size;
+}
+
+// Audio input is currently unsupported
+void Audio_Input_Enable(bool bEnable) {}
+void Audio_Input_Init(void) {}
+void Audio_Input_UnInit(void) {}
+void Audio_Input_Lock(void) {}
+int Audio_Input_Read(int16_t* sample) {
+    *sample = 0; // silence
+    return 0;
+}
+int Audio_Input_BufSize(void) {
+    return 0;
+}
+void Audio_Input_Unlock(void) {}