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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic, Katelyn Gadd
/***************************************************************************
js_sound.c
Shim for native JavaScript sound interface implementations (Emscripten only).
*******************************************************************c********/
#include "sound_module.h"
#include "modules/osdmodule.h"
#if (defined(SDLMAME_EMSCRIPTEN))
#include "emscripten.h"
class sound_js : public osd_module, public sound_module
{
public:
sound_js()
: osd_module(OSD_SOUND_PROVIDER, "js"), sound_module()
{
}
virtual ~sound_js() { }
virtual int init();
virtual void exit();
// sound_module
virtual void update_audio_stream(bool is_throttled, const INT16 *buffer, int samples_this_frame)
{
EM_ASM_ARGS({
// Forward audio stream update on to JS backend implementation.
jsmess_update_audio_stream($1, $2);
}, (unsigned int)buffer, samples_this_frame);
}
virtual void set_mastervolume(int attenuation)
{
EM_ASM_ARGS({
// Forward volume update on to JS backend implementation.
jsmess_set_mastervolume($0);
}, attenuation);
}
};
#else /* SDLMAME_UNIX */
MODULE_NOT_SUPPORTED(sound_js, OSD_SOUND_PROVIDER, "js")
#endif
MODULE_DEFINITION(SOUND_JS, sound_js)
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