Optimized pattern drawing in MkModPlayer
This commit is contained in:
Vavency
Amelia Yukii
parent
78975ddcc8
commit
897bc631f7
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@ -7,14 +7,17 @@
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</div>
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<div v-else class="mod-player-enabled">
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<div class="pattern-display" @click="togglePattern()">
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<div class="pattern-display" @click="togglePattern()" @scroll="scrollHandler" @scrollend="scrollEndHandle">
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<div v-if="patternHide" class="pattern-hide">
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<b><i class="ph-eye ph-bold ph-lg"></i> Pattern Hidden</b>
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<span>{{ i18n.ts.clickToShow }}</span>
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</div>
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<span class="patternShadowTop"></span>
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<span class="patternShadowBottom"></span>
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<canvas ref="displayCanvas" class="pattern-canvas"></canvas>
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</div>
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<div class="controls">
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<input v-if="patternScrollSliderShow" ref="patternScrollSlider" v-model="patternScrollSliderPos" class="pattern-slider" type="range" min="0" max="100" step="0.01" style=""/>
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<button class="play" @click="playPause()">
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<i v-if="playing" class="ph-pause ph-bold ph-lg"></i>
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<i v-else class="ph-play ph-bold ph-lg"></i>
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@ -33,43 +36,30 @@
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</template>
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<script lang="ts" setup>
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import { ref, nextTick, computed } from 'vue';
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import { ref, nextTick, computed, watch, onDeactivated, onMounted } from 'vue';
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import * as Misskey from 'misskey-js';
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import { i18n } from '@/i18n.js';
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import { defaultStore } from '@/store.js';
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import { ChiptuneJsPlayer, ChiptuneJsConfig } from '@/scripts/chiptune2.js';
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import { isTouchUsing } from '@/scripts/touch.js';
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const colours = {
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background: '#000000',
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foreground: {
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default: '#ffffff',
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quarter: '#ffff00',
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instr: '#80e0ff',
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volume: '#80ff80',
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fx: '#ff80e0',
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operant: '#ffe080',
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},
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};
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const CHAR_WIDTH = 6;
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const CHAR_HEIGHT = 12;
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const ROW_OFFSET_Y = 10;
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const colours = {
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background: '#000000',
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default: {
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active: '#ffffff',
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inactive: '#808080',
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},
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quarter: {
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active: '#ffff00',
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inactive: '#ffe135',
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},
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instr: {
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active: '#80e0ff',
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inactive: '#0099cc',
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},
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volume: {
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active: '#80ff80',
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inactive: '#008000',
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},
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fx: {
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active: '#ff80e0',
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inactive: '#800060',
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},
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operant: {
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active: '#ffe080',
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inactive: '#806000',
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},
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};
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const MAX_TIME_SPENT = 50;
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const MAX_TIME_PER_ROW = 15;
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const props = defineProps<{
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module: Misskey.entities.DriveFile
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@ -79,29 +69,57 @@ const isSensitive = computed(() => { return props.module.isSensitive; });
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const url = computed(() => { return props.module.url; });
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let hide = ref((defaultStore.state.nsfw === 'force') ? true : isSensitive.value && (defaultStore.state.nsfw !== 'ignore'));
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let patternHide = ref(false);
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let firstFrame = ref(true);
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let playing = ref(false);
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let displayCanvas = ref<HTMLCanvasElement>();
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let progress = ref<HTMLProgressElement>();
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let position = ref(0);
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let patternScrollSlider = ref<HTMLProgressElement>();
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let patternScrollSliderShow = ref(false);
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let patternScrollSliderPos = ref(0);
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const player = ref(new ChiptuneJsPlayer(new ChiptuneJsConfig()));
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const rowBuffer = 24;
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const maxRowNumbers = 0xFF;
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const rowBuffer = 26;
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let buffer = null;
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let isSeeking = false;
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let firstFrame = true;
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let lastPattern = -1;
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let lastDrawnRow = -1;
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let numberRowCanvas = new OffscreenCanvas(2 * CHAR_WIDTH + 1, maxRowNumbers * CHAR_HEIGHT + 1);
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let alreadyHiddenOnce = false;
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let alreadyDrawn = [false];
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let patternTime = { 'current': 0, 'max': 0, 'initial': 0 };
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player.value.load(url.value).then((result) => {
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buffer = result;
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try {
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player.value.play(buffer);
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progress.value!.max = player.value.duration();
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display();
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} catch (err) {
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console.warn(err);
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function bakeNumberRow() {
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let ctx = numberRowCanvas.getContext('2d', { alpha: false }) as OffscreenCanvasRenderingContext2D;
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ctx.font = '10px monospace';
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for (let i = 0; i < maxRowNumbers; i++) {
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let rowText = i.toString(16);
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if (rowText.length === 1) rowText = '0' + rowText;
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ctx.fillStyle = colours.foreground.default;
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if (i % 4 === 0) ctx.fillStyle = colours.foreground.quarter;
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ctx.fillText(rowText, 0, 10 + i * 12);
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}
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player.value.stop();
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}).catch((error) => {
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console.error(error);
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}
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onMounted(() => {
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player.value.load(url.value).then((result) => {
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buffer = result;
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try {
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player.value.play(buffer);
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progress.value!.max = player.value.duration();
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bakeNumberRow();
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display();
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} catch (err) {
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console.warn(err);
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}
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player.value.stop();
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}).catch((error) => {
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console.error(error);
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});
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});
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function playPause() {
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@ -133,7 +151,7 @@ function stop(noDisplayUpdate = false) {
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if (!noDisplayUpdate) {
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try {
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player.value.play(buffer);
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display();
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display(true);
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} catch (err) {
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console.warn(err);
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}
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@ -162,104 +180,256 @@ function performSeek() {
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function toggleVisible() {
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hide.value = !hide.value;
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if (!hide.value && patternHide.value) {
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firstFrame.value = true;
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patternHide.value = false;
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if (!hide.value) {
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lastPattern = -1;
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lastDrawnRow = -1;
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}
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nextTick(() => { stop(hide.value); });
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}
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function togglePattern() {
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patternHide.value = !patternHide.value;
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if (!patternHide.value) {
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if (player.value.getRow() === 0) {
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try {
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player.value.play(buffer);
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display();
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} catch (err) {
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console.warn(err);
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}
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player.value.stop();
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handleScrollBarEnable();
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if (player.value.getRow() === 0 && player.value.getPattern() === 0) {
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try {
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player.value.play(buffer);
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display(true);
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} catch (err) {
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console.warn(err);
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}
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player.value.stop();
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} else {
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display(true);
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}
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}
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function display() {
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if (!displayCanvas.value) {
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stop();
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return;
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}
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if (patternHide.value) return;
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if (firstFrame.value) {
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firstFrame.value = false;
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patternHide.value = true;
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}
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function drawPattern() {
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if (!displayCanvas.value) return;
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const canvas = displayCanvas.value;
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const startTime = performance.now();
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const pattern = player.value.getPattern();
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const nbRows = player.value.getPatternNumRows(pattern);
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const row = player.value.getRow();
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const halfbuf = rowBuffer / 2;
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const minRow = row - halfbuf;
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const maxRow = row + halfbuf;
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let rowDif = 0;
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let nbChannels = 0;
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if (player.value.currentPlayingNode) {
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nbChannels = player.value.currentPlayingNode.nbChannels;
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}
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if (canvas.width !== 12 + 84 * nbChannels + 2) {
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canvas.width = 12 + 84 * nbChannels + 2;
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canvas.height = 12 * rowBuffer;
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}
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const nbRows = player.value.getPatternNumRows(pattern);
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const ctx = canvas.getContext('2d') as CanvasRenderingContext2D;
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ctx.font = '10px monospace';
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ctx.fillStyle = colours.background;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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ctx.fillStyle = colours.default.inactive;
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for (let rowOffset = 0; rowOffset < rowBuffer; rowOffset++) {
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const rowToDraw = row - rowBuffer / 2 + rowOffset;
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if (rowToDraw >= 0 && rowToDraw < nbRows) {
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const active = (rowToDraw === row) ? 'active' : 'inactive';
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let rowText = parseInt(rowToDraw).toString(16);
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if (rowText.length === 1) {
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rowText = '0' + rowText;
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}
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ctx.fillStyle = colours.default[active];
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if (rowToDraw % 4 === 0) {
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ctx.fillStyle = colours.quarter[active];
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}
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ctx.fillText(rowText, 0, 10 + rowOffset * 12);
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for (let channel = 0; channel < nbChannels; channel++) {
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const part = player.value.getPatternRowChannel(pattern, rowToDraw, channel);
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const baseOffset = (2 + (part.length + 1) * channel) * CHAR_WIDTH;
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const baseRowOffset = ROW_OFFSET_Y + rowOffset * CHAR_HEIGHT;
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if (pattern === lastPattern) {
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rowDif = row - lastDrawnRow;
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} else {
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if (patternTime.initial !== 0 && !alreadyHiddenOnce) {
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const trackerTime = player.value.currentPlayingNode.getProcessTime();
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ctx.fillStyle = colours.default[active];
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ctx.fillText('|', baseOffset, baseRowOffset);
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const note = part.substring(0, 3);
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ctx.fillStyle = colours.default[active];
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ctx.fillText(note, baseOffset + CHAR_WIDTH, baseRowOffset);
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const instr = part.substring(4, 6);
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ctx.fillStyle = colours.instr[active];
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ctx.fillText(instr, baseOffset + CHAR_WIDTH * 5, baseRowOffset);
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const volume = part.substring(6, 9);
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ctx.fillStyle = colours.volume[active];
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ctx.fillText(volume, baseOffset + CHAR_WIDTH * 7, baseRowOffset);
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const fx = part.substring(10, 11);
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ctx.fillStyle = colours.fx[active];
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ctx.fillText(fx, baseOffset + CHAR_WIDTH * 11, baseRowOffset);
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const op = part.substring(11, 13);
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ctx.fillStyle = colours.operant[active];
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ctx.fillText(op, baseOffset + CHAR_WIDTH * 12, baseRowOffset);
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if (patternTime.initial + trackerTime.max > MAX_TIME_SPENT && trackerTime.max + patternTime.max > MAX_TIME_PER_ROW) {
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alreadyHiddenOnce = true;
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togglePattern();
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return;
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}
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}
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patternTime = { 'current': 0, 'max': 0, 'initial': 0 };
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alreadyDrawn = [];
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if (canvas.width !== (12 + 84 * nbChannels + 2)) canvas.width = 12 + 84 * nbChannels + 2;
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if (canvas.height !== (12 * nbRows)) canvas.height = 12 * nbRows;
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}
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const ctx = canvas.getContext('2d', { alpha: false, desynchronized: true }) as CanvasRenderingContext2D;
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if (ctx.font !== '10px monospace') ctx.font = '10px monospace';
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ctx.imageSmoothingEnabled = false;
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if (pattern !== lastPattern) {
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ctx.fillStyle = colours.background;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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ctx.drawImage( numberRowCanvas, 0, 0 );
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}
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ctx.fillStyle = colours.foreground.default;
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for (let rowOffset = minRow + rowDif; rowOffset < maxRow + rowDif; rowOffset++) {
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const rowToDraw = rowOffset - rowDif;
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if (alreadyDrawn[rowToDraw] === true) continue;
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if (rowToDraw >= 0 && rowToDraw < nbRows) {
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const baseOffset = 2 * CHAR_WIDTH;
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const baseRowOffset = ROW_OFFSET_Y + rowToDraw * CHAR_HEIGHT;
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let done = drawRow(ctx, rowToDraw, nbChannels, pattern, baseOffset, baseRowOffset);
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alreadyDrawn[rowToDraw] = done;
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}
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}
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lastDrawnRow = row;
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lastPattern = pattern;
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patternTime.current = performance.now() - startTime;
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if (patternTime.initial !== 0 && patternTime.current > patternTime.max) patternTime.max = patternTime.current;
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else if (patternTime.initial === 0) patternTime.initial = patternTime.current;
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}
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function drawPetternPreview() {
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if (!displayCanvas.value) return;
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const canvas = displayCanvas.value;
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const pattern = player.value.getPattern();
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const nbRows = player.value.getPatternNumRows(pattern);
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const row = player.value.getRow();
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const halfbuf = rowBuffer / 2;
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alreadyDrawn = [];
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let nbChannels = 0;
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if (player.value.currentPlayingNode) {
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nbChannels = player.value.currentPlayingNode.nbChannels;
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}
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if (canvas.width !== (12 + 84 * nbChannels + 2)) canvas.width = 12 + 84 * nbChannels + 2;
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if (canvas.height !== (12 * rowBuffer)) canvas.height = 12 * rowBuffer;
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const ctx = canvas.getContext('2d', { alpha: false }) as CanvasRenderingContext2D;
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ctx.font = '10px monospace';
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ctx.imageSmoothingEnabled = false;
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ctx.fillStyle = colours.background;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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ctx.drawImage( numberRowCanvas, 0, (halfbuf - row) * CHAR_HEIGHT );
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for (let rowOffset = 0; rowOffset < rowBuffer; rowOffset++) {
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const rowToDraw = rowOffset + row - halfbuf;
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if (rowToDraw >= 0 && rowToDraw < nbRows) {
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const baseOffset = 2 * CHAR_WIDTH;
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const baseRowOffset = ROW_OFFSET_Y + rowOffset * CHAR_HEIGHT;
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drawRow(ctx, rowToDraw, nbChannels, pattern, baseOffset, baseRowOffset);
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} else if (rowToDraw >= 0) {
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const baseRowOffset = ROW_OFFSET_Y + rowOffset * CHAR_HEIGHT;
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ctx.fillStyle = colours.background;
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ctx.fillRect(0, baseRowOffset - CHAR_HEIGHT, CHAR_WIDTH * 2, baseRowOffset);
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}
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}
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lastPattern = -1;
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lastDrawnRow = -1;
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}
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function drawRow(ctx: CanvasRenderingContext2D, row: number, channels: number, pattern: number, drawX = (2 * CHAR_WIDTH), drawY = ROW_OFFSET_Y) {
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if (!player.value.currentPlayingNode) return false;
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if (alreadyDrawn[row]) return true;
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const spacer = 11;
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const space = ' ';
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let seperators = '';
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let note = '';
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let instr = '';
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let volume = '';
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let fx = '';
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let op = '';
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for (let channel = 0; channel < channels; channel++) {
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const part = player.value.getPatternRowChannel(pattern, row, channel);
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seperators += '|' + space.repeat( spacer + 2 );
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note += part.substring(0, 3) + space.repeat( spacer );
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instr += part.substring(4, 6) + space.repeat( spacer + 1 );
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volume += part.substring(6, 9) + space.repeat( spacer );
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fx += part.substring(10, 11) + space.repeat( spacer + 2 );
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op += part.substring(11, 13) + space.repeat( spacer + 1 );
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}
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ctx.fillStyle = colours.foreground.default;
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ctx.fillText(seperators, drawX, drawY);
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ctx.fillStyle = colours.foreground.default;
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ctx.fillText(note, drawX + CHAR_WIDTH, drawY);
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ctx.fillStyle = colours.foreground.instr;
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ctx.fillText(instr, drawX + CHAR_WIDTH * 5, drawY);
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ctx.fillStyle = colours.foreground.volume;
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ctx.fillText(volume, drawX + CHAR_WIDTH * 7, drawY);
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ctx.fillStyle = colours.foreground.fx;
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ctx.fillText(fx, drawX + CHAR_WIDTH * 11, drawY);
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ctx.fillStyle = colours.foreground.operant;
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ctx.fillText(op, drawX + CHAR_WIDTH * 12, drawY);
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return true;
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}
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function display(skipOptimizationChecks = false) {
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if (!displayCanvas.value || !displayCanvas.value.parentElement) {
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stop();
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return;
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}
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if (patternHide.value && !skipOptimizationChecks) return;
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if (firstFrame) {
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// Changing it to false should enable pattern display by default.
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patternHide.value = true;
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handleScrollBarEnable();
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firstFrame = false;
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}
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const row = player.value.getRow();
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const pattern = player.value.getPattern();
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if ( row === lastDrawnRow && pattern === lastPattern && !skipOptimizationChecks) return;
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// Size vs speed
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if (patternHide.value) drawPetternPreview();
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else drawPattern();
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displayCanvas.value.style.top = !patternHide.value ? 'calc( 50% - ' + (row * CHAR_HEIGHT) + 'px )' : '0%';
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}
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let suppressScrollSliderWatcher = false;
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function scrollHandler() {
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suppressScrollSliderWatcher = true;
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if (!patternScrollSlider.value) return;
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if (!displayCanvas.value) return;
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if (!displayCanvas.value.parentElement) return;
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patternScrollSliderPos.value = (displayCanvas.value.parentElement.scrollLeft) / (displayCanvas.value.width - displayCanvas.value.parentElement.offsetWidth) * 100;
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patternScrollSlider.value.style.opacity = '1';
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}
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function scrollEndHandle() {
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suppressScrollSliderWatcher = false;
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if (!patternScrollSlider.value) return;
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patternScrollSlider.value.style.opacity = '';
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}
|
||||
|
||||
function handleScrollBarEnable() {
|
||||
patternScrollSliderShow.value = (!patternHide.value && !isTouchUsing);
|
||||
if (patternScrollSliderShow.value !== true) return;
|
||||
|
||||
if (!displayCanvas.value) return;
|
||||
if (!displayCanvas.value.parentElement) return;
|
||||
if (firstFrame) {
|
||||
patternScrollSliderShow.value = (12 + 84 * player.value.getPatternNumRows(player.value.getPattern()) + 2 > displayCanvas.value.parentElement.offsetWidth);
|
||||
} else {
|
||||
patternScrollSliderShow.value = (displayCanvas.value.width > displayCanvas.value.parentElement.offsetWidth);
|
||||
}
|
||||
}
|
||||
|
||||
watch(patternScrollSliderPos, () => {
|
||||
if (suppressScrollSliderWatcher) return;
|
||||
if (!displayCanvas.value) return;
|
||||
if (!displayCanvas.value.parentElement) return;
|
||||
|
||||
displayCanvas.value.parentElement.scrollLeft = (displayCanvas.value.width - displayCanvas.value.parentElement.offsetWidth) * patternScrollSliderPos.value / 100;
|
||||
});
|
||||
|
||||
onDeactivated(() => {
|
||||
stop();
|
||||
});
|
||||
|
||||
</script>
|
||||
|
||||
<style lang="scss" scoped>
|
||||
|
|
@ -290,6 +460,7 @@ function display() {
|
|||
cursor: pointer;
|
||||
top: 12px;
|
||||
right: 12px;
|
||||
z-index: 4;
|
||||
}
|
||||
|
||||
> .pattern-display {
|
||||
|
|
@ -299,22 +470,55 @@ function display() {
|
|||
overflow-y: hidden;
|
||||
background-color: black;
|
||||
text-align: center;
|
||||
.pattern-canvas {
|
||||
background-color: black;
|
||||
height: 100%;
|
||||
max-height: 312px; /* magic_number = CHAR_HEIGHT * rowBuffer, needs to be in px */
|
||||
|
||||
scrollbar-width: none;
|
||||
|
||||
&::-webkit-scrollbar {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.pattern-canvas {
|
||||
position: relative;
|
||||
background-color: black;
|
||||
image-rendering: pixelated;
|
||||
pointer-events: none;
|
||||
z-index: 0;
|
||||
}
|
||||
|
||||
.patternShadowTop {
|
||||
background: #00000080;
|
||||
width: 100%;
|
||||
height: calc( 50% - 14px );
|
||||
translate: 0 -100%;
|
||||
top: calc( 50% - 14px );
|
||||
position: absolute;
|
||||
pointer-events: none;
|
||||
z-index: 2;
|
||||
}
|
||||
|
||||
.patternShadowBottom {
|
||||
background: #00000080;
|
||||
width: 100%;
|
||||
height: calc( 50% - 12px );
|
||||
top: calc( 50% - 1px );
|
||||
position: absolute;
|
||||
pointer-events: none;
|
||||
z-index: 2;
|
||||
}
|
||||
|
||||
.pattern-hide {
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
background: rgba(64, 64, 64, 0.3);
|
||||
backdrop-filter: blur(2em);
|
||||
backdrop-filter: var(--modalBgFilter);
|
||||
color: #fff;
|
||||
font-size: 12px;
|
||||
|
||||
position: absolute;
|
||||
z-index: 0;
|
||||
z-index: 4;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
|
||||
|
|
@ -328,7 +532,7 @@ function display() {
|
|||
display: flex;
|
||||
width: 100%;
|
||||
background-color: var(--bg);
|
||||
z-index: 1;
|
||||
z-index: 5;
|
||||
|
||||
> * {
|
||||
padding: 4px 8px;
|
||||
|
|
@ -353,6 +557,18 @@ function display() {
|
|||
margin: 4px 8px;
|
||||
overflow-x: hidden;
|
||||
|
||||
&.pattern-slider {
|
||||
position: absolute;
|
||||
width: calc( 100% - 8px * 2 );
|
||||
top: calc( 100% - 21px * 3 );
|
||||
opacity: 0%;
|
||||
transition: opacity 0.2s;
|
||||
|
||||
&:hover {
|
||||
opacity: 100%;
|
||||
}
|
||||
}
|
||||
|
||||
&:focus {
|
||||
outline: none;
|
||||
|
||||
|
|
|
|||
|
|
@ -150,6 +150,27 @@ ChiptuneJsPlayer.prototype.getRow = function () {
|
|||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getNumPatterns = function () {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_module_get_num_patterns(this.currentPlayingNode.modulePtr);
|
||||
}
|
||||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getCurrentSpeed = function () {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_module_get_current_speed(this.currentPlayingNode.modulePtr);
|
||||
}
|
||||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getCurrentTempo = function () {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_module_get_current_tempo(this.currentPlayingNode.modulePtr);
|
||||
}
|
||||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getPatternNumRows = function (pattern: number) {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_module_get_pattern_num_rows(this.currentPlayingNode.modulePtr, pattern);
|
||||
|
|
@ -164,6 +185,20 @@ ChiptuneJsPlayer.prototype.getPatternRowChannel = function (pattern: number, row
|
|||
return '';
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getCtls = function () {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_module_get_ctls(this.currentPlayingNode.modulePtr);
|
||||
}
|
||||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.version = function () {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_get_library_version();
|
||||
}
|
||||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: object) {
|
||||
const maxFramesPerChunk = 4096;
|
||||
const processNode = this.audioContext.createScriptProcessor(2048, 0, 2);
|
||||
|
|
@ -178,6 +213,7 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
|
|||
processNode.paused = false;
|
||||
processNode.leftBufferPtr = libopenmpt._malloc(4 * maxFramesPerChunk);
|
||||
processNode.rightBufferPtr = libopenmpt._malloc(4 * maxFramesPerChunk);
|
||||
processNode.perf = { 'current': 0, 'max': 0 };
|
||||
processNode.cleanup = function () {
|
||||
if (this.modulePtr !== 0) {
|
||||
libopenmpt._openmpt_module_destroy(this.modulePtr);
|
||||
|
|
@ -205,7 +241,13 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
|
|||
processNode.togglePause = function () {
|
||||
this.paused = !this.paused;
|
||||
};
|
||||
processNode.getProcessTime = function() {
|
||||
const max = this.perf.max;
|
||||
this.perf.max = 0;
|
||||
return { 'current': this.perf.current, 'max': max };
|
||||
};
|
||||
processNode.onaudioprocess = function (e) {
|
||||
let startTimeP1 = performance.now();
|
||||
const outputL = e.outputBuffer.getChannelData(0);
|
||||
const outputR = e.outputBuffer.getChannelData(1);
|
||||
let framesToRender = outputL.length;
|
||||
|
|
@ -231,11 +273,13 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
|
|||
|
||||
const currentPattern = libopenmpt._openmpt_module_get_current_pattern(this.modulePtr);
|
||||
const currentRow = libopenmpt._openmpt_module_get_current_row(this.modulePtr);
|
||||
startTimeP1 = startTimeP1 - performance.now();
|
||||
if (currentPattern !== this.patternIndex) {
|
||||
processNode.player.fireEvent('onPatternChange');
|
||||
}
|
||||
processNode.player.fireEvent('onRowChange', { index: currentRow });
|
||||
|
||||
const startTimeP2 = performance.now();
|
||||
while (framesToRender > 0) {
|
||||
const framesPerChunk = Math.min(framesToRender, maxFramesPerChunk);
|
||||
const actualFramesPerChunk = libopenmpt._openmpt_module_read_float_stereo(this.modulePtr, this.context.sampleRate, framesPerChunk, this.leftBufferPtr, this.rightBufferPtr);
|
||||
|
|
@ -262,6 +306,8 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
|
|||
this.cleanup();
|
||||
error ? processNode.player.fireEvent('onError', { type: 'openmpt' }) : processNode.player.fireEvent('onEnded');
|
||||
}
|
||||
this.perf.current = performance.now() - startTimeP2 + startTimeP1;
|
||||
if (this.perf.current > this.perf.max) this.perf.max = this.perf.current;
|
||||
};
|
||||
return processNode;
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue