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author Justin Kerk <dopefishjustin@gmail.com>2014-07-22 04:51:52 +0000
committer Justin Kerk <dopefishjustin@gmail.com>2014-07-22 04:51:52 +0000
commitc4e9058ee26841baae4c0fd51e081949747d5f48 (patch)
tree51d9e35892c5931b099f9f30369cbe1cabe49cc8 /src/osd/modules/sound/js_sound.c
parentee2ad64677416ae895b69d65fc36e2abb142677e (diff)
[JSMESS] Add shim for Web Audio sound module [Katelyn Gadd, Justin Kerk]
Diffstat (limited to 'src/osd/modules/sound/js_sound.c')
-rw-r--r--src/osd/modules/sound/js_sound.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/osd/modules/sound/js_sound.c b/src/osd/modules/sound/js_sound.c
new file mode 100644
index 00000000000..a2bc6086343
--- /dev/null
+++ b/src/osd/modules/sound/js_sound.c
@@ -0,0 +1,39 @@
+// license:BSD-3-Clause
+// copyright-holders:Miodrag Milanovic, Katelyn Gadd
+/***************************************************************************
+
+ js_sound.c
+
+ Shim for native JavaScript sound interface implementations (Emscripten only).
+
+*******************************************************************c********/
+
+
+#include "js_sound.h"
+#include "emscripten.h"
+
+//-------------------------------------------------
+// sound_js - constructor
+//-------------------------------------------------
+sound_js::sound_js(const osd_interface &osd)
+ : osd_sound_interface(osd)
+{
+}
+
+void sound_js::update_audio_stream(const INT16 *buffer, int samples_this_frame)
+{
+ EM_ASM_ARGS({
+ // Forward audio stream update on to JS backend implementation.
+ jsmess_update_audio_stream($0, $1);
+ }, (unsigned int)buffer, samples_this_frame);
+}
+
+void sound_js::set_mastervolume(int attenuation)
+{
+ EM_ASM_ARGS({
+ // Forward volume update on to JS backend implementation.
+ jsmess_set_mastervolume($0);
+ }, attenuation);
+}
+
+const osd_sound_type OSD_SOUND_JS = &osd_sound_creator<sound_js>;