From 627f4ba84658833d43350bb1d0843e95e85d17bc Mon Sep 17 00:00:00 2001
From: kichikuou <KichikuouChrome@gmail.com>
Date: Sun, 4 Aug 2019 09:12:43 +0900
Subject: [PATCH] Introduce pcm.emscripten.c

---
 CMakeLists.txt        |  1 +
 emscripten/library.js | 48 -----------------------
 src/pcm.emscripten.c  | 88 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+), 48 deletions(-)
 create mode 100644 src/pcm.emscripten.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d59a0c3..d980198 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -130,6 +130,7 @@ endif()
 
 if (EMSCRIPTEN)
   list(APPEND SRC_AUDIO)
+  list(APPEND SRC_AUDIO pcm.emscripten.c)
   list(APPEND SUMMARY_AUDIO "Emscripten")
 elseif (SDL2MIXER_FOUND)
   list(APPEND SRC_AUDIO pcm.sdlmixer.c)
diff --git a/emscripten/library.js b/emscripten/library.js
index 5b60b9b..a6fe241 100644
--- a/emscripten/library.js
+++ b/emscripten/library.js
@@ -11,52 +11,4 @@ mergeInto(LibraryManager.library, {
 			xsystem35.load_mincho_font().then(wakeUp);
 		});
 	},
-	muspcm_init: function(audio_buffer_size) {
-		return 0; // OK
-	},
-	muspcm_exit: function() {
-		return 0; // OK
-	},
-	muspcm_load_no: function(slot, no) {  // async
-		return xsystem35.audio.pcm_load(slot, no);
-	},
-	muspcm_load_mixlr: function(slot, noL, noR) {  // async
-		return xsystem35.audio.pcm_load_mixlr(slot, noL, noR);
-	},
-	muspcm_unload: function(slot) {
-		return xsystem35.audio.pcm_unload(slot);
-	},
-	muspcm_start: function(slot, loop) {
-		return xsystem35.audio.pcm_start(slot, loop);
-	},
-	muspcm_stop: function(slot) {
-		return xsystem35.audio.pcm_stop(slot);
-	},
-	muspcm_fadeout: function(slot, msec) {
-		return xsystem35.audio.pcm_fadeout(slot, msec);
-	},
-	muspcm_pause: function(slot) {
-		console.log('muspcm_pause: not implemented');
-		return -1; // NG
-	},
-	muspcm_unpause: function(slot) {
-		console.log('muspcm_unpause: not implemented');
-		return -1; // NG
-	},
-	muspcm_getpos: function(slot) {
-		return xsystem35.audio.pcm_getpos(slot);
-	},
-	muspcm_setvol: function(dev, slot, lv) {
-		return xsystem35.audio.pcm_setvol(slot, lv);
-	},
-	muspcm_getwavelen: function(slot) {
-		var len = xsystem35.audio.pcm_getwavelen(slot);
-		return len > 65535 ? 65535 : len;
-	},
-	muspcm_isplaying: function(slot) {
-		return xsystem35.audio.pcm_isplaying(slot);
-	},
-	muspcm_waitend: function(slot) {  // async
-		return xsystem35.audio.pcm_waitend(slot);
-	}
 });
diff --git a/src/pcm.emscripten.c b/src/pcm.emscripten.c
new file mode 100644
index 0000000..5c1790c
--- /dev/null
+++ b/src/pcm.emscripten.c
@@ -0,0 +1,88 @@
+/*
+ * pcm.emscripten.c  PCM audio for emscripten
+ *
+ * Copyright (C) 2019 <KichikuouChrome@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+*/
+
+#include <emscripten.h>
+
+#include "portab.h"
+#include "music_pcm.h"
+
+EM_JS(int, muspcm_init, (int audio_buffer_size), {
+	return xsystem35.Status.OK;
+});
+
+EM_JS(int, muspcm_exit, (void), {
+	return xsystem35.Status.OK;
+});
+
+EM_JS(int, muspcm_load_no, (int slot, int no), {  // async
+	return xsystem35.audio.pcm_load(slot, no);
+});
+
+EM_JS(int, muspcm_load_mixlr, (int slot, int noL, int noR), {  // async
+	return xsystem35.audio.pcm_load_mixlr(slot, noL, noR);
+});
+
+EM_JS(int, muspcm_unload, (int slot), {
+	return xsystem35.audio.pcm_unload(slot);
+});
+
+EM_JS(int, muspcm_start, (int slot, int loop), {
+	return xsystem35.audio.pcm_start(slot, loop);
+});
+
+EM_JS(int, muspcm_stop, (int slot), {
+	return xsystem35.audio.pcm_stop(slot);
+});
+
+EM_JS(int, muspcm_fadeout, (int slot, int msec), {
+	return xsystem35.audio.pcm_fadeout(slot, msec);
+});
+
+EM_JS(int, muspcm_pause, (int slot), {
+	console.log('muspcm_pause: not implemented');
+	return xsystem35.Status.NG;
+});
+
+EM_JS(int, muspcm_unpause, (int slot), {
+	console.log('muspcm_unpause: not implemented');
+	return xsystem35.Status.NG;
+});
+
+EM_JS(int, muspcm_getpos, (int slot), {
+	return xsystem35.audio.pcm_getpos(slot);
+});
+
+EM_JS(int, muspcm_setvol, (int dev, int slot, int lv), {
+	return xsystem35.audio.pcm_setvol(slot, lv);
+});
+
+EM_JS(int, muspcm_getwavelen, (int slot), {
+	var len = xsystem35.audio.pcm_getwavelen(slot);
+	return len > 65535 ? 65535 : len;
+});
+
+EM_JS(boolean, muspcm_isplaying, (int slot), {
+	return xsystem35.audio.pcm_isplaying(slot);
+});
+
+EM_JS(int, muspcm_waitend, (int slot), {  // async
+	return xsystem35.audio.pcm_waitend(slot);
+});