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update 0.8.0

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This commit is contained in:
Rupert Hausberger 2013-01-16 19:00:33 +01:00
commit eda41a625b
20 changed files with 9833 additions and 4280 deletions
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207
sae/audio.js
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@ -6,6 +6,9 @@
* ©2012 Rupert Hausberger
* Commercial use is prohibited.
*
***************************************************************************
* Notes: Ported from WinUAE 2.5.0
*
**************************************************************************/
/*const DEBUG_CHANNEL_MASK = 15
@ -70,9 +73,7 @@ function Filter() {
}
this.filter = function(input, state) {
if (!this.on)
return input;
//if (!this.on) return input;
var o, fs = filter_state[state];
fs.rc1 = filter1_a0 * input + (1 - filter1_a0) * fs.rc1 + DENORMAL_OFFSET;
@ -83,12 +84,11 @@ function Filter() {
fs.rc3 = filter_a0 * no + (1 - filter_a0) * fs.rc3;
fs.rc4 = filter_a0 * fs.rc3 + (1 - filter_a0) * fs.rc4;
fs.rc5 = filter_a0 * fs.rc4 + (1 - filter_a0) * fs.rc5;
o = fs.rc5;
o = Math.floor(fs.rc5);
} else
o = no;
o = Math.floor(no);
if (o > 32767) o = 32767; else if (o < -32768) o = -32768;
return o;
return o > 32767 ? 32767 : (o < -32768 ? -32768 : o);
}
}
@ -367,6 +367,9 @@ function Channel(num) {
}
function Audi0() {
const SAMPLE_BUFFER_SIZE = 8192 >> 0;
this.available = 0;
var channel = null;
var last_cycles = 0;
@ -410,6 +413,35 @@ function Audi0() {
/*---------------------------------*/
//this.init = function()
{
var test;
/*try {
test = new AudioContext();
test = null;
this.available |= SAEI_Audio_Default;
} catch (e) {}*/
try {
test = new webkitAudioContext();
if (test && test.createJavaScriptNode)
this.available |= SAEI_Audio_Webkit;
test = null;
} catch (e) {}
try {
test = new Audio();
if (test && test.mozSetup)
this.available |= SAEI_Audio_Mozilla;
test = null;
} catch (e) {}
//console.log(this.available);
}
/*---------------------------------*/
function getRate(v) {
switch (v) {
case SAEV_Config_Audio_Rate_11025: return 11025;
@ -420,30 +452,29 @@ function Audi0() {
}
}
this.recalc_sample_evtime = function() {
var hpos, lines = 0;
this.calc_sample_evtime = function(freq, longframe, linetoggle) {
var lines = 0.0;
var hpos;
if (AMIGA.config.video.ntsc) {
hpos = 227.5;
if (linetoggle) {
hpos = AMIGA.playfield.maxhpos_short + 0.5;
lines += 0.5;
} else {
var longframe = (AMIGA.playfield.bplcon0 & 4) ? -1 : AMIGA.events.lofStore;
hpos = 227;
hpos = AMIGA.playfield.maxhpos_short + 0.0;
if (longframe < 0)
lines += 0.5;
else if (longframe > 0)
lines += 1.0;
}
lines += AMIGA.events.maxvpos;
scaled_sample_evtime_orig = Math.floor(hpos * lines * AMIGA.events.hz * CYCLE_UNIT / getRate(AMIGA.config.audio.rate));
lines += AMIGA.playfield.maxvpos_nom;
scaled_sample_evtime_orig = Math.floor(hpos * lines * freq * CYCLE_UNIT / getRate(AMIGA.config.audio.rate));
scaled_sample_evtime = scaled_sample_evtime_orig;
//sampler_evtime = hpos * lines * AMIGA.events.hz * CYCLE_UNIT;
//scaled_sample_evtime = Math.floor((AMIGA.events.maxhpos * AMIGA.events.maxvpos * AMIGA.events.hz + getRate(AMIGA.config.audio.rate) - 1) / getRate(AMIGA.config.audio.rate)) * CYCLE_UNIT;
console.log('Audio.recalc_sample_evtime() scaled_sample_evtime %f (%f) | hpos %d, lines %d', scaled_sample_evtime, scaled_sample_evtime * CYCLE_UNIT_INV, hpos, lines);
}
/*#if 0
lines -= AMIGA.playfield.maxvpos_nom;
BUG.info('%d.%d %d.%d %.2f', maxhpos_short, linetoggle ? 5 : 0, maxvpos_nom + (lines == 1.0 ? 1 : 0), lines > 0 && lines < 1 ? 5 : 0, scaled_sample_evtime);
#endif*/
BUG.info('Audio.calc_sample_evtime() scaled_sample_evtime %f (%f) | hpos %d, lines %d', scaled_sample_evtime, scaled_sample_evtime * CYCLE_UNIT_INV, hpos, lines);
}
this.setup = function() {
if (channel === null) {
@ -455,53 +486,32 @@ function Audi0() {
return;
if (driver.ctx === null) {
if (BrowserDetect.browser == 'Firefox') {
try {
driver.ctx = new Audio();
BUG.info('Audio.setup() using "Audio()"');
} catch (e) {}
} else {
try {
driver.ctx = new AudioContext();
BUG.info('Audio.setup() using "AudioContext()"');
} catch (e) {
try {
driver.ctx = new webkitAudioContext();
BUG.info('Audio.setup() using "webkitAudioContext()"');
} catch (e) {}
}
}
if (this.available & SAEI_Audio_Webkit)
driver.ctx = new webkitAudioContext();
else if (this.available & SAEI_Audio_Mozilla)
driver.ctx = new Audio();
}
if (driver.ctx === null) {
if (confirm('Can\'t initialise WebAudio. Continue without audio-playback?')) {
AMIGA.config.audio.mode = SAEV_Config_Audio_Mode_Emul;
return;
} else
Fatal(SAEE_Audio_WebAudio_Not_Avail, 'Can\'t initialise WebAudio.');
Fatal(SAEE_Audio_WebAudio_Not_Avail, null);
}
this.filter.setup(0);
this.filter.setup(AMIGA.config.audio.filter); /* A500 lowpass-filter */
this.recalc_sample_evtime();
var hz = AMIGA.config.video.ntsc ? 60 : 50;
this.calc_sample_evtime(hz, 1, AMIGA.config.video.ntsc);
sampleBuffer.size = 8192 >> 0;
sampleBuffer.size = SAMPLE_BUFFER_SIZE;
sampleBuffer.realSize = sampleBuffer.size << 1;
sampleBuffer.data = new Float32Array(sampleBuffer.realSize << (AMIGA.config.audio.channels - 1));
ringBuffer.size = sampleBuffer.size << 1;
ringBuffer.size = sampleBuffer.size + (sampleBuffer.size >> 1);
ringBuffer.data = new Float32Array(ringBuffer.size << (AMIGA.config.audio.channels - 1));
if (BrowserDetect.browser == 'Firefox') {
driver.ctx.mozSetup(AMIGA.config.audio.channels, getRate(AMIGA.config.audio.rate));
/*driver.moz.currentWritePosition = 0;
driver.moz.prebufferSize = getRate(AMIGA.config.audio.rate) >> 1; //prebuffer 500ms
driver.moz.tail = null;*/
//driver.moz.interval = setInterval(mozHandler, Math.floor(1000 / (getRate(AMIGA.config.audio.rate) / sampleBuffer.size)));
driver.moz.interval = setInterval(mozHandler, Math.floor(1000 / AMIGA.events.hz * (sampleBuffer.size / (getRate(AMIGA.config.audio.rate) / AMIGA.events.hz))));
BUG.info('Audio.setup() enabled mozilla audio, channels %d, rate %d', AMIGA.config.audio.channels, getRate(AMIGA.config.audio.rate));
} else {
if (this.available & SAEI_Audio_Webkit) {
var inputs = BrowserDetect.browser == 'Safari' ? 1 : 0;
//if (inputs == 1) BUG.info('Audio.setup() Safari fix enabled.');
@ -510,32 +520,36 @@ function Audi0() {
driver.def.node.connect(driver.ctx.destination);
BUG.info('Audio.setup() enabled webkit audio, channels %d, rate %d', AMIGA.config.audio.channels, getRate(AMIGA.config.audio.rate));
}
else if (this.available & SAEI_Audio_Mozilla) {
driver.ctx.mozSetup(AMIGA.config.audio.channels, getRate(AMIGA.config.audio.rate));
/*driver.moz.currentWritePosition = 0;
driver.moz.prebufferSize = getRate(AMIGA.config.audio.rate) >> 1; //prebuffer 500ms
driver.moz.tail = null;*/
//driver.moz.interval = setInterval(mozHandler, Math.floor(1000 / (getRate(AMIGA.config.audio.rate) / sampleBuffer.size)));
driver.moz.interval = setInterval(mozHandler, Math.floor(1000 / hz * (sampleBuffer.size / (getRate(AMIGA.config.audio.rate) / hz))));
BUG.info('Audio.setup() enabled mozilla audio, channels %d, rate %d', AMIGA.config.audio.channels, getRate(AMIGA.config.audio.rate));
}
}
this.cleanup = function() {
if (driver.ctx !== null) {
if (BrowserDetect.browser == 'Firefox') {
clearInterval(driver.moz.interval);
} else {
if (this.available & SAEI_Audio_Webkit) {
driver.def.node.disconnect(0);
driver.def.node = null;
}
else if (this.available & SAEI_Audio_Mozilla) {
clearInterval(driver.moz.interval);
}
}
}
this.pauseResume = function(pause) {
if (!AMIGA.config.audio.enabled || AMIGA.config.audio.mode == SAEV_Config_Audio_Mode_Emul) return;
if (driver.ctx !== null) {
if (BrowserDetect.browser == 'Firefox') {
if (pause && !driver.paused) {
clearInterval(driver.moz.interval);
driver.paused = true;
} else if (!pause && driver.paused) {
driver.moz.interval = setInterval(mozHandler, 100);
driver.paused = false;
}
} else {
if (this.available & SAEI_Audio_Webkit) {
if (driver.def.node) {
if (pause && !driver.paused) {
driver.def.node.disconnect(0);
@ -546,20 +560,29 @@ function Audi0() {
}
}
}
else if (this.available & SAEI_Audio_Mozilla) {
if (pause && !driver.paused) {
clearInterval(driver.moz.interval);
driver.paused = true;
} else if (!pause && driver.paused) {
driver.moz.interval = setInterval(mozHandler, 100);
driver.paused = false;
}
}
}
}
this.reset = function() {
for (var i = 0; i < 4; i++)
channel[i].reset();
last_cycles = AMIGA.events.currcycle;
next_sample_evtime = scaled_sample_evtime;
this.schedule();
AMIGA.events.schedule();
work_to_do = 0;
prevcon = -1;
prevcon = 0;
sampleBuffer.pos = 0;
sampleBuffer.rate.clr();
@ -592,7 +615,7 @@ function Audi0() {
ret = 1;
this.event_reset();
}
work_to_do = 4 * AMIGA.events.maxvpos * 50;
work_to_do = 4 * AMIGA.playfield.maxvpos_nom * 50;
return ret;
}
@ -716,16 +739,16 @@ function Audi0() {
}
this.hsync = function() {
//if (!AMIGA.config.audio.enabled) return; /* done in events.hSyncPre() */
if (work_to_do > 0) {
work_to_do--;
if (work_to_do == 0)
//work_to_do--;
if (--work_to_do == 0)
this.deactivate();
}
this.update();
}
this.vsync = function() { }
/*---------------------------------*/
this.AUDxDAT = function(nr, v) {
@ -763,7 +786,7 @@ function Audi0() {
if (per < PERIOD_MIN * CYCLE_UNIT)
per = PERIOD_MIN * CYCLE_UNIT;
if (per < PERIOD_MIN_NONCE * CYCLE_UNIT && !AMIGA.config.cpu.exact && channel[nr].dmaenstore)
if (per < PERIOD_MIN_NONCE * CYCLE_UNIT && channel[nr].dmaenstore)
per = PERIOD_MIN_NONCE * CYCLE_UNIT;
if (channel[nr].per == PERIOD_MAX - 1 && per != PERIOD_MAX - 1) {
@ -853,8 +876,10 @@ function Audi0() {
data1 += data2;
data2 = data0 << 1;
data3 = data1 << 1;
data2 = this.filter.filter(data2, 0);
data3 = this.filter.filter(data3, 1);
if (AMIGA.config.audio.filter) {
data2 = this.filter.filter(data2, 0);
data3 = this.filter.filter(data3, 1);
}
if (sampleBuffer.pos < sampleBuffer.realSize) {
if (AMIGA.config.audio.channels == SAEV_Config_Audio_Channels_Stereo) {
@ -910,8 +935,10 @@ function Audi0() {
data1 += data2;
data2 = data0 << 1;
data3 = data1 << 1;
data2 = this.filter.filter(data2, 0);
data3 = this.filter.filter(data3, 1);
if (AMIGA.config.audio.filter) {
data2 = this.filter.filter(data2, 0);
data3 = this.filter.filter(data3, 1);
}
if (sampleBuffer.pos < sampleBuffer.realSize) {
if (AMIGA.config.audio.channels == SAEV_Config_Audio_Channels_Stereo) {
@ -921,7 +948,7 @@ function Audi0() {
} else
sampleBuffer.data[sampleBuffer.pos++] = inv32768 * ((data2 + data3) * 0.5);
} else
BUG.info('Audio.sample_handler() audio buffer over-run!');
BUG.info('Audio.sample_handler_crux() audio buffer over-run!');
}
this.sample_handler_rh = function() {
@ -938,23 +965,25 @@ function Audi0() {
var delta, ratio;
delta = channel[0].per;
ratio = ((channel[0].evtime % delta) << 8) / delta;
ratio = Math.floor(((channel[0].evtime % delta) << 8) / delta);
data0 = (data0 * (256 - ratio) + data0p * ratio) >> 8;
delta = channel[1].per;
ratio = ((channel[1].evtime % delta) << 8) / delta;
ratio = Math.floor(((channel[1].evtime % delta) << 8) / delta);
data1 = (data1 * (256 - ratio) + data1p * ratio) >> 8;
delta = channel[2].per;
ratio = ((channel[2].evtime % delta) << 8) / delta;
ratio = Math.floor(((channel[2].evtime % delta) << 8) / delta);
data1 += (data2 * (256 - ratio) + data2p * ratio) >> 8;
delta = channel[3].per;
ratio = ((channel[3].evtime % delta) << 8) / delta;
ratio = Math.floor(((channel[3].evtime % delta) << 8) / delta);
data0 += (data3 * (256 - ratio) + data3p * ratio) >> 8;
}
data2 = data0 << 1;
data3 = data1 << 1;
data2 = this.filter.filter(data2, 0);
data3 = this.filter.filter(data3, 1);
if (AMIGA.config.audio.filter) {
data2 = this.filter.filter(data2, 0);
data3 = this.filter.filter(data3, 1);
}
if (sampleBuffer.pos < sampleBuffer.realSize) {
if (AMIGA.config.audio.channels == SAEV_Config_Audio_Channels_Stereo) {
@ -964,13 +993,13 @@ function Audi0() {
} else
sampleBuffer.data[sampleBuffer.pos++] = inv32768 * ((data2 + data3) * 0.5);
} else
BUG.info('Audio.sample_handler() audio buffer over-run!');
BUG.info('Audio.sample_handler_rh() audio buffer over-run!');
}
/*---------------------------------*/
//var avg = 0, cnt = 0;
function fillRingBuffer() {
if (sampleBuffer.pos == 0) return false;
@ -1042,10 +1071,8 @@ function Audi0() {
ringBuffer.usage = 0;
}
}
//console.log(sampleBuffer.pos, ringBuffer.usage, rate);
sampleBuffer.pos = 0;
return [playBuffer, rate];
}