John Alanbrook
f754d91e14
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473 lines
14 KiB
C
473 lines
14 KiB
C
#include "qjs_sdl.h"
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#include "jsffi.h"
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#include "qjs_macros.h"
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#include <SDL3/SDL.h>
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// SDL Free functions
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void SDL_Camera_free(JSRuntime *rt, SDL_Camera *cam)
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{
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SDL_CloseCamera(cam);
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}
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void SDL_Cursor_free(JSRuntime *rt, SDL_Cursor *c)
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{
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SDL_DestroyCursor(c);
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}
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void SDL_AudioStream_free(JSRuntime *rt, SDL_AudioStream *st) {
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SDL_DestroyAudioStream(st);
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}
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// Class definitions for SDL types
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QJSCLASS(SDL_Cursor,)
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QJSCLASS(SDL_Camera,)
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QJSCLASS(SDL_AudioStream,)
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// Internal keymod function for input module
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static JSValue js_keymod(JSContext *js)
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{
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SDL_Keymod modstate = SDL_GetModState();
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JSValue ret = JS_NewObject(js);
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if (SDL_KMOD_CTRL & modstate)
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JS_SetPropertyStr(js,ret,"ctrl", JS_NewBool(js,1));
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if (SDL_KMOD_SHIFT & modstate)
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JS_SetPropertyStr(js,ret,"shift", JS_NewBool(js,1));
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if (SDL_KMOD_ALT & modstate)
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JS_SetPropertyStr(js,ret,"alt", JS_NewBool(js,1));
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if (SDL_KMOD_GUI & modstate)
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JS_SetPropertyStr(js,ret,"super", JS_NewBool(js,1));
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if (SDL_KMOD_NUM & modstate)
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JS_SetPropertyStr(js,ret,"numlock", JS_NewBool(js,1));
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if (SDL_KMOD_CAPS & modstate)
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JS_SetPropertyStr(js,ret,"caps", JS_NewBool(js,1));
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if (SDL_KMOD_SCROLL & modstate)
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JS_SetPropertyStr(js,ret,"scrolllock", JS_NewBool(js,1));
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if (SDL_KMOD_MODE & modstate)
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JS_SetPropertyStr(js,ret,"mode", JS_NewBool(js,1));
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return ret;
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}
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// INPUT FUNCTIONS
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JSC_CCALL(input_mouse_lock, SDL_CaptureMouse(JS_ToBool(js,argv[0])))
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JSC_CCALL(input_mouse_show,
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if (JS_ToBool(js,argv[0]))
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SDL_ShowCursor();
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else
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SDL_HideCursor();
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)
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JSC_CCALL(input_cursor_set,
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SDL_Cursor *c = js2SDL_Cursor(js,argv[0]);
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if (!SDL_SetCursor(c))
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return JS_ThrowReferenceError(js, "could not set cursor: %s", SDL_GetError());
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)
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JSC_CCALL(input_keyname,
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return JS_NewString(js, SDL_GetKeyName(js2number(js,argv[0])));
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)
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JSC_CCALL(input_keymod,
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return js_keymod(js);
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)
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JSC_CCALL(input_mousestate,
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float x,y;
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SDL_MouseButtonFlags flags = SDL_GetMouseState(&x,&y);
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JSValue m = JS_NewObject(js);
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JS_SetPropertyStr(js,m,"x", number2js(js,x));
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JS_SetPropertyStr(js,m,"y", number2js(js,y));
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if (flags & SDL_BUTTON_LMASK)
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JS_SetPropertyStr(js, m, "left", JS_NewBool(js, 1));
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if (flags & SDL_BUTTON_MMASK)
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JS_SetPropertyStr(js, m, "middle", JS_NewBool(js, 1));
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if (flags & SDL_BUTTON_RMASK)
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JS_SetPropertyStr(js, m, "right", JS_NewBool(js, 1));
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if (flags & SDL_BUTTON_X1MASK)
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JS_SetPropertyStr(js, m, "x1", JS_NewBool(js, 1));
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if (flags & SDL_BUTTON_X2MASK)
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JS_SetPropertyStr(js, m, "x2", JS_NewBool(js, 1));
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return m;
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)
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static const JSCFunctionListEntry js_input_funcs[] = {
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MIST_FUNC_DEF(input, mouse_show, 1),
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MIST_FUNC_DEF(input, mouse_lock, 1),
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MIST_FUNC_DEF(input, cursor_set, 1),
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MIST_FUNC_DEF(input, keyname, 1),
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MIST_FUNC_DEF(input, keymod, 0),
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MIST_FUNC_DEF(input, mousestate, 0),
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};
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JSValue js_input_use(JSContext *js) {
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JSValue mod = JS_NewObject(js);
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JS_SetPropertyFunctionList(js,mod,js_input_funcs,countof(js_input_funcs));
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// Initialize SDL cursor class (no functions)
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JSValue c_types = JS_GetPropertyStr(js, JS_GetGlobalObject(js), "c_types");
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QJSCLASSPREP_NO_FUNCS(SDL_Cursor)
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JS_FreeValue(js, c_types);
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return mod;
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}
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// CAMERA FUNCTIONS
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JSC_CCALL(camera_list,
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int num;
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SDL_CameraID *ids = SDL_GetCameras(&num);
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if (num == 0) return JS_UNDEFINED;
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JSValue jsids = JS_NewArray(js);
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for (int i = 0; i < num; i++)
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JS_SetPropertyUint32(js,jsids, i, number2js(js,ids[i]));
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return jsids;
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)
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JSC_CCALL(camera_open,
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int id = js2number(js,argv[0]);
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SDL_Camera *cam = SDL_OpenCamera(id, NULL);
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if (!cam) ret = JS_ThrowReferenceError(js, "Could not open camera %d: %s\n", id, SDL_GetError());
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else
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ret = SDL_Camera2js(js,cam);
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)
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JSC_CCALL(camera_name,
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const char *name = SDL_GetCameraName(js2number(js,argv[0]));
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if (!name) return JS_ThrowReferenceError(js, "Could not get camera name from id %d.", (int)js2number(js,argv[0]));
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return JS_NewString(js, name);
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)
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JSC_CCALL(camera_position,
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SDL_CameraPosition pos = SDL_GetCameraPosition(js2number(js,argv[0]));
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switch(pos) {
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case SDL_CAMERA_POSITION_UNKNOWN: return JS_NewString(js,"unknown");
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case SDL_CAMERA_POSITION_FRONT_FACING: return JS_NewString(js,"front");
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case SDL_CAMERA_POSITION_BACK_FACING: return JS_NewString(js,"back");
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}
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)
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static const JSCFunctionListEntry js_camera_funcs[] = {
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MIST_FUNC_DEF(camera, list, 0),
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MIST_FUNC_DEF(camera, open, 1),
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MIST_FUNC_DEF(camera, name, 1),
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MIST_FUNC_DEF(camera, position, 1),
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};
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JSC_CCALL(camera_capture,
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/*
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SDL_ClearError();
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SDL_Camera *cam = js2SDL_Camera(js,self);
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if (!cam) return JS_ThrowReferenceError(js,"Self was not a camera: %s", SDL_GetError());
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SDL_Surface *surf = SDL_AcquireCameraFrame(cam, NULL);
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if (!surf) {
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const char *msg = SDL_GetError();
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if (msg[0] != 0)
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return JS_ThrowReferenceError(js,"Could not get camera frame: %s", SDL_GetError());
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else return JS_UNDEFINED;
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}
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return SDL_Surface2js(js,surf);
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SDL_Surface *newsurf = SDL_CreateSurface(surf->w, surf->h, surf->format);
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SDL_ReleaseCameraFrame(cam,surf);
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int didit = SDL_BlitSurface(surf, NULL, newsurf, NULL);
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if (!didit) {
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SDL_DestroySurface(newsurf);
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return JS_ThrowReferenceError(js, "Could not blit: %s", SDL_GetError());
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}
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return SDL_Surface2js(js,newsurf);
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*/
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/* SDL_Camera *cam = js2SDL_Camera(js,self);
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SDL_Surface *surf = js2SDL_Surface(js,argv[0]);
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SDL_ReleaseCameraFrame(cam,surf);
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*/
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)
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static const JSCFunctionListEntry js_SDL_Camera_funcs[] =
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{
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MIST_FUNC_DEF(camera, capture, 0),
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};
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JSValue js_camera_use(JSContext *js) {
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JSValue mod = JS_NewObject(js);
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JS_SetPropertyFunctionList(js,mod,js_camera_funcs,countof(js_camera_funcs));
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// Initialize SDL camera class with functions
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JSValue c_types = JS_GetPropertyStr(js, JS_GetGlobalObject(js), "c_types");
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QJSCLASSPREP_FUNCS(SDL_Camera)
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JS_FreeValue(js, c_types);
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return mod;
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}
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// SDL AUDIO FUNCTIONS
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// Audio format lookup table and conversion functions
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static const struct { const char *s; SDL_AudioFormat f; } fmt_lut[] = {
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{ "u8", SDL_AUDIO_U8 }, /* Unsigned 8-bit */
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{ "s8", SDL_AUDIO_S8 }, /* Signed 8-bit */
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{ "s16", SDL_AUDIO_S16 }, /* Signed 16-bit, host endian */
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{ "s32", SDL_AUDIO_S32 }, /* Signed 32-bit, host endian */
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{ "f32", SDL_AUDIO_F32 } /* Float 32-bit, host endian */
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};
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static int format_str_to_enum(const char *f, SDL_AudioFormat *out)
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{
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struct { const char *s; SDL_AudioFormat f; } map[] = {
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{"u8", SDL_AUDIO_U8 }, {"s16", SDL_AUDIO_S16},
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{"s32", SDL_AUDIO_S32}, {"f32", SDL_AUDIO_F32}
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};
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for (size_t i=0;i<countof(map);++i)
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if (!strcmp(f,map[i].s)) { *out = map[i].f; return 1; }
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return 0;
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}
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static const char *fmt2str(SDL_AudioFormat f)
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{
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for (size_t i = 0; i < countof(fmt_lut); ++i)
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if (fmt_lut[i].f == f) return fmt_lut[i].s;
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return "unknown";
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}
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static JSValue audiospec2js(JSContext *js, const SDL_AudioSpec *spec)
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{
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JSValue o = JS_NewObject(js);
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/* stringify format (u8/s16/s32/f32) */
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JS_SetPropertyStr(js, o, "format",
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JS_NewString(js, fmt2str(spec->format)));
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JS_SetPropertyStr(js, o, "channels",
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JS_NewInt32(js, spec->channels));
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JS_SetPropertyStr(js, o, "samplerate",
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JS_NewInt32(js, spec->freq));
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return o;
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}
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static SDL_AudioSpec js2audiospec(JSContext *js, JSValue obj)
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{
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SDL_AudioSpec spec;
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JSValue v;
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v = JS_GetPropertyStr(js, obj, "format");
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if (!JS_IsUndefined(v)) {
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const char *s = JS_ToCString(js, v);
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format_str_to_enum(s, &spec.format);
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JS_FreeCString(js, s);
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}
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JS_FreeValue(js, v);
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v = JS_GetPropertyStr(js, obj, "channels");
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if (!JS_IsUndefined(v)) JS_ToInt32(js, &spec.channels, v);
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JS_FreeValue(js, v);
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v = JS_GetPropertyStr(js, obj, "samplerate");
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if (!JS_IsUndefined(v)) JS_ToInt32(js, &spec.freq, v);
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JS_FreeValue(js, v);
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return spec;
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}
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JSC_CCALL(sdl_audio_drivers,
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int num = SDL_GetNumAudioDrivers();
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JSValue arr = JS_NewArray(js);
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for (int i = 0; i < num; i++)
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JS_SetPropertyUint32(js, arr, i, JS_NewString(js, SDL_GetAudioDriver(i)));
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return arr;
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)
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JSC_CCALL(sdl_audio_devices,
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int n;
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SDL_AudioDeviceID *ids = SDL_GetAudioPlaybackDevices(&n);
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JSValue arr = JS_NewArray(js);
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for (int i = 0; i < n; i++)
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JS_SetPropertyUint32(js,arr,i,JS_NewString(js, SDL_GetAudioDeviceName(ids[i])));
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return arr;
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)
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JSC_CCALL(sdl_audio_open_stream,
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const char *type = JS_IsString(argv[0]) ? JS_ToCString(js, argv[0]) : NULL;
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SDL_AudioDeviceID devid = !strcmp(type, "capture") ? SDL_AUDIO_DEVICE_DEFAULT_RECORDING : SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK;
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if (type)
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JS_FreeCString(js, type);
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SDL_AudioStream *st;
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if (JS_IsUndefined(argv[1]))
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st = SDL_OpenAudioDeviceStream(devid, NULL, NULL, NULL);
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else {
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SDL_AudioSpec want = js2audiospec(js, argv[1]);
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st = SDL_OpenAudioDeviceStream(devid, &want, NULL, NULL);
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}
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if (!st)
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return JS_ThrowInternalError(js, "open failed: %s", SDL_GetError());
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return SDL_AudioStream2js(js, st);
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)
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static const JSCFunctionListEntry js_sdl_audio_funcs[] = {
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MIST_FUNC_DEF(sdl_audio, drivers, 0),
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MIST_FUNC_DEF(sdl_audio, devices, 0),
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MIST_FUNC_DEF(sdl_audio, open_stream, 2),
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};
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JSC_CCALL(sdl_audiostream_get_format,
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SDL_AudioStream *as = js2SDL_AudioStream(js, self);
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SDL_AudioSpec src;
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SDL_AudioSpec dst;
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SDL_GetAudioStreamFormat(as, &src, &dst);
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JSValue obj = JS_NewObject(js);
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JS_SetPropertyStr(js, obj, "src", audiospec2js(js, &src));
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JS_SetPropertyStr(js, obj, "dst", audiospec2js(js, &dst));
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return obj;
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)
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JSC_CCALL(sdl_audiostream_set_format,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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const SDL_AudioSpec *src_ptr=NULL,*dst_ptr=NULL;
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SDL_AudioSpec src={0},dst={0};
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if(argc>0&&!JS_IsUndefined(argv[0])){
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src=js2audiospec(js,argv[0]);
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src_ptr=&src;
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}
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if(argc>1&&!JS_IsUndefined(argv[1])){
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dst=js2audiospec(js,argv[1]);
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dst_ptr=&dst;
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}
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if(!SDL_SetAudioStreamFormat(as,src_ptr,dst_ptr))
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return JS_ThrowInternalError(js,"%s",SDL_GetError());
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return JS_UNDEFINED;
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)
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JSC_CCALL(sdl_audiostream_resume,
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SDL_AudioStream *as = js2SDL_AudioStream(js,self);
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if (!SDL_ResumeAudioStreamDevice(as))
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return JS_ThrowInternalError(js,"%s",SDL_GetError());
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return JS_UNDEFINED;
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)
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JSC_CCALL(sdl_audiostream_clear,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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if (!SDL_ClearAudioStream(as))
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return JS_ThrowInternalError(js,"%s",SDL_GetError());
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return JS_UNDEFINED;
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)
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JSC_CCALL(sdl_audiostream_flush,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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if(!SDL_FlushAudioStream(as))
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return JS_ThrowInternalError(js,"%s",SDL_GetError());
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return JS_UNDEFINED;
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)
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JSC_CCALL(sdl_audiostream_available,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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Sint64 n = SDL_GetAudioStreamAvailable(as);
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if(n<0) return JS_ThrowInternalError(js,"%s",SDL_GetError());
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return JS_NewInt64(js,n);
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)
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JSC_CCALL(sdl_audiostream_queued,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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Sint64 n = SDL_GetAudioStreamQueued(as);
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if(n<0) return JS_ThrowInternalError(js,"%s",SDL_GetError());
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return JS_NewInt64(js,n);
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)
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/* ---------- data IO ---------------------------------------------------- */
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JSC_CCALL(sdl_audiostream_put,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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size_t len;
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void *buf = JS_GetArrayBuffer(js, &len, argv[0]);
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if (!buf)
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return JS_ThrowInternalError(js, "Requires array buffer.");
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if (!SDL_PutAudioStreamData(as,buf,len))
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return JS_ThrowInternalError(js, "%s", SDL_GetError());
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return JS_UNDEFINED;
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)
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JSC_CCALL(sdl_audiostream_get,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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int want;
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JS_ToInt32(js,&want,argv[0]);
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void *data = malloc(want);
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int got = SDL_GetAudioStreamData(as, data, want);
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if (got<0) {
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free(data);
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return JS_ThrowInternalError(js,"%s",SDL_GetError());
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}
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JSValue ab = JS_NewArrayBufferCopy(js, data, got);
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free(data);
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return ab;
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)
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JSC_CCALL(sdl_audiostream_get_gain,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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return JS_NewFloat64(js,SDL_GetAudioStreamGain(as));
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)
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JSC_CCALL(sdl_audiostream_set_gain,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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double g; JS_ToFloat64(js,&g,argv[0]);
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SDL_SetAudioStreamGain(as,(float)g);
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return JS_UNDEFINED;
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)
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JSC_CCALL(sdl_audiostream_get_freq_ratio,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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return JS_NewFloat64(js,SDL_GetAudioStreamFrequencyRatio(as));
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)
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JSC_CCALL(sdl_audiostream_set_freq_ratio,
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SDL_AudioStream *as=js2SDL_AudioStream(js,self);
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double r; JS_ToFloat64(js,&r,argv[0]);
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SDL_SetAudioStreamFrequencyRatio(as,(float)r);
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return JS_UNDEFINED;
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)
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/* ---------- JS export list -------------------------------------------- */
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static const JSCFunctionListEntry js_SDL_AudioStream_funcs[] = {
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MIST_FUNC_DEF(sdl_audiostream, get_format, 0),
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MIST_FUNC_DEF(sdl_audiostream, set_format, 2),
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MIST_FUNC_DEF(sdl_audiostream, resume, 0),
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MIST_FUNC_DEF(sdl_audiostream, clear, 0),
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MIST_FUNC_DEF(sdl_audiostream, flush, 0),
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MIST_FUNC_DEF(sdl_audiostream, available, 0),
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MIST_FUNC_DEF(sdl_audiostream, queued, 0),
|
|
MIST_FUNC_DEF(sdl_audiostream, put, 1),
|
|
MIST_FUNC_DEF(sdl_audiostream, get, 1),
|
|
MIST_FUNC_DEF(sdl_audiostream, set_gain, 1),
|
|
MIST_FUNC_DEF(sdl_audiostream, get_gain, 0),
|
|
MIST_FUNC_DEF(sdl_audiostream, set_freq_ratio, 1),
|
|
MIST_FUNC_DEF(sdl_audiostream, get_freq_ratio, 0),
|
|
};
|
|
|
|
JSValue js_sdl_audio_use(JSContext *js) {
|
|
QJSCLASSPREP_FUNCS(SDL_AudioStream)
|
|
|
|
JSValue mod = JS_NewObject(js);
|
|
JS_SetPropertyFunctionList(js,mod,js_sdl_audio_funcs,countof(js_sdl_audio_funcs));
|
|
return mod;
|
|
} |