unsigned char get_irq(SB16* sb16)
{
unsigned char irq;
irq=(read_mixer(sb16->base,MIXER_INTERRUPT_SETUP_REGISTER)&0x0f);
if(irq==1) sb16->irq=2;
if(irq==2) sb16->irq=5;
if(irq==4) sb16->irq=7;
if(irq==8) sb16->irq=10;
return 0;
}
void get_dma(SB16* sb16)
{
unsigned char hi,lo,result=read_mixer(sb16->base,MIXER_DMA_SETUP_REGISTER);
hi=result&0xE0;
lo=result&0x0B;
if(hi==0x80) sb16->dma16=7;
if(hi==0x40) sb16->dma16=6;
if(hi==0x20) sb16->dma16=5;
if(lo==0x08) sb16->dma8=3;
if(lo==0x02) sb16->dma8=1;
if(lo==0x01) sb16->dma8=0;
}
static int luaA_mixer_ext_get(lua_State *L) {
mixer_ext_t *mext = luaL_checkudata(L, 1, "mixer_ext");
if (luaA_usemetatable(L, 1, 2)) return 1;
int value, i;
if (lua_isnumber(L, 2)) {
i = luaL_checknumber(L, 2);
if (i < 1 || 2 < i) return 0;
value = read_mixer(mext);
if (format_stereo_value(L, mext, value) == 0)
return 0;
lua_remove(L, -i);
return 1;
}
const char *index = luaL_checkstring(L, 2);
oss_mixer_enuminfo enuminf;
int result;
if (strcmp(index, "type") == 0) {
switch (mext->ext.type) {
case MIXT_3D : lua_pushstring(L, "3d"); break;
case MIXT_DEVROOT : lua_pushstring(L, "devroot"); break;
case MIXT_ENUM : lua_pushstring(L, "enum"); break;
case MIXT_GROUP : lua_pushstring(L, "group"); break;
case MIXT_HEXVALUE : lua_pushstring(L, "hexvalue"); break;
case MIXT_MARKER : lua_pushstring(L, "marker"); break;
case MIXT_MESSAGE : lua_pushstring(L, "message"); break;
case MIXT_MONODB : lua_pushstring(L, "mono db"); break;
case MIXT_MONOPEAK : lua_pushstring(L, "mono peak"); break;
case MIXT_MONOSLIDER16 : lua_pushstring(L, "mono slider16"); break;
case MIXT_MONOSLIDER : lua_pushstring(L, "mono slider"); break;
case MIXT_MONOVU : lua_pushstring(L, "mono vu"); break;
case MIXT_MUTE : lua_pushstring(L, "mute"); break;
case MIXT_ONOFF : lua_pushstring(L, "switch"); break;
case MIXT_RADIOGROUP : lua_pushstring(L, "radio group"); break;
/*case MIXT_ROOT : lua_pushstring(L, "root"); break;*/
case MIXT_SLIDER : lua_pushstring(L, "slider"); break;
case MIXT_STEREODB : lua_pushstring(L, "stereo db"); break;
case MIXT_STEREOPEAK : lua_pushstring(L, "stereo peak"); break;
case MIXT_STEREOSLIDER16 : lua_pushstring(L, "stereo slider16"); break;
case MIXT_STEREOSLIDER : lua_pushstring(L, "stereo slider"); break;
case MIXT_STEREOVU : lua_pushstring(L, "stereo vu"); break;
case MIXT_VALUE : lua_pushstring(L, "value"); break;
default: return 0;
}
return 1;
} else if (strcmp(index, "name") == 0) {
lua_pushstring(L, mext->ext.extname);
return 1;
} else if (strcmp(index, "id") == 0) {
lua_pushstring(L, mext->ext.id);
return 1;
} else if (strcmp(index, "value") == 0) {
value = read_mixer(mext);
if (value < 0) return 0;
if (result = format_normal_value(L, mext, value));
else if (result = format_stereo_value(L, mext, value));
else if (result = format_mono_value(L, mext, value));
else if (result = format_switch_value(L, mext, value));
else if (result = format_enum_value(L, mext, value));
else return 0;
if (result > 1) pack_into_table(L, result);
return 1;
} else if (strcmp(index, "min") == 0) {
lua_pushnumber(L, mext->ext.minvalue);
return 1;
} else if (strcmp(index, "max") == 0) {
lua_pushnumber(L, mext->ext.maxvalue);
return 1;
} else if (strcmp(index, "color") == 0) {
lua_pushnumber(L, mext->ext.rgbcolor);
return 1;
} else if (strcmp(index, "enum") == 0) {
if (mext->ext.type != MIXT_ENUM) return 0;
enuminf.dev = mext->ext.dev;
enuminf.ctrl = mext->ext.ctrl;
if (ioctl(mext->mixer->fh, SNDCTL_MIX_ENUMINFO, &enuminf) < 0) return 0;
lua_createtable(L, mext->ext.maxvalue, 0);
value = 0;
for (i = 0; i < mext->ext.maxvalue; i++) {
if (!IN_ENUM(mext->ext.enum_present, i)) continue;
lua_pushstring(L, enuminf.strings + enuminf.strindex[i]);
lua_rawseti(L, -2, ++value);
}
return 1;
} else if (strcmp(index, "readonly") == 0) {
lua_pushboolean(L, (mext->ext.flags & MIXF_WRITEABLE) == 0);
return 1;
}
return 0;
}