upd: add modplayer
This commit is contained in:
Mar0xy
parent
3a95c5b18d
commit
a8b4689501
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@ -41,6 +41,7 @@ html
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//- https://github.com/misskey-dev/misskey/issues/9842
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link(rel='stylesheet' href='/assets/phosphor-icons/bold/style.css')
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link(rel='modulepreload' href=`/vite/${clientEntry.file}`)
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script(src='/client-assets/libopenmpt.js')
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if !config.clientManifestExists
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script(type="module" src="/vite/@vite/client")
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@ -70,6 +71,7 @@ html
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script.
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var VERSION = "#{version}";
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var CLIENT_ENTRY = "#{clientEntry.file}";
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window.libopenmpt = window.Module;
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script
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include ../boot.js
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File diff suppressed because one or more lines are too long
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@ -21,6 +21,7 @@ SPDX-License-Identifier: AGPL-3.0-only
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<template v-for="media in mediaList.filter(media => previewable(media))">
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<XVideo v-if="media.type.startsWith('video')" :key="`video:${media.id}`" :class="$style.media" :video="media"/>
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<XImage v-else-if="media.type.startsWith('image')" :key="`image:${media.id}`" :class="$style.media" class="image" :data-id="media.id" :image="media" :raw="raw"/>
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<XModPlayer v-else-if="isModule(media)" :key="media.id" :module="media"/>
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</template>
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</div>
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</div>
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@ -71,8 +72,9 @@ import 'photoswipe/style.css';
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import XBanner from '@/components/MkMediaBanner.vue';
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import XImage from '@/components/MkMediaImage.vue';
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import XVideo from '@/components/MkMediaVideo.vue';
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import XModPlayer from '@/components/MkModPlayer.vue';
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import * as os from '@/os.js';
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import { FILE_TYPE_BROWSERSAFE } from '@/const';
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import { FILE_TYPE_BROWSERSAFE, FILE_EXT_TRACKER_MODULES, FILE_TYPE_TRACKER_MODULES } from '@/const.js';
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import { defaultStore } from '@/store.js';
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import { getScrollContainer, getBodyScrollHeight } from '@/scripts/scroll.js';
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@ -146,6 +148,12 @@ async function calcAspectRatio() {
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gallery.value.style.aspectRatio = 'initial';
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}
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const isModule = (file: Misskey.entities.DriveFile): boolean => {
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return FILE_TYPE_TRACKER_MODULES.includes(file.type) || FILE_EXT_TRACKER_MODULES.some((ext) => {
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return (file.name.toLowerCase().endsWith('.' + ext) || file.name.toLowerCase().endsWith('.' + ext + '.unknown'));
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});
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};
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onMounted(() => {
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calcAspectRatio();
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@ -255,6 +263,7 @@ onUnmounted(() => {
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const previewable = (file: Misskey.entities.DriveFile): boolean => {
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if (file.type === 'image/svg+xml') return true; // svgのwebpublic/thumbnailはpngなのでtrue
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// FILE_TYPE_BROWSERSAFEに適合しないものはブラウザで表示するのに不適切
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if (isModule(file)) return true;
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return (file.type.startsWith('video') || file.type.startsWith('image')) && FILE_TYPE_BROWSERSAFE.includes(file.type);
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};
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</script>
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@ -0,0 +1,423 @@
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<template>
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<div v-if="hide" class="mod-player-disabled" @click="toggleVisible()">
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<div>
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<b><i class="fas fa-exlamation-triangle"></i> {{ i18n.ts.sensitive }}</b>
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<span>{{ i18n.ts.clickToShow }}</span>
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</div>
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</div>
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<div v-else class="mod-player-enabled">
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<div class="pattern-display">
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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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<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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</button>
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<button class="stop" @click="stop()">
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<i class="ph-stop ph-bold ph-lg"></i>
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</button>
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<input ref="progress" v-model="position" class="progress" type="range" min="0" max="1" step="0.1" @mousedown="initSeek()" @mouseup="performSeek()"/>
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<input v-model="player.context.gain.value" type="range" min="0" max="1" step="0.1"/>
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<a class="download" :title="i18n.ts.download" :href="module.url" target="_blank">
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<i class="ph-download ph-bold ph-lg"></i>
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</a>
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</div>
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<i class="hide ph-eye-slash ph-bold ph-lg" @click="toggleVisible()"></i>
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</div>
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</template>
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<script lang="ts" setup>
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import { ref, nextTick } 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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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 props = defineProps<{
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module: Misskey.entities.DriveFile
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}>();
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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 && (defaultStore.state.nsfw !== 'ignore'));
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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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const player = ref(new ChiptuneJsPlayer(new ChiptuneJsConfig()));
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const rowBuffer = 24;
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let buffer = null;
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let isSeeking = false;
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player.value.load(url).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 (e) {
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console.warn(e);
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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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function playPause() {
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player.value.addHandler('onRowChange', () => {
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progress.value!.max = player.value.duration();
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if (!isSeeking) {
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position.value = player.value.position() % player.value.duration();
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}
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display();
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});
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player.value.addHandler('onEnded', () => {
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stop();
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});
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if (player.value.currentPlayingNode === null) {
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player.value.play(buffer);
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player.value.seek(position.value);
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playing.value = true;
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} else {
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player.value.togglePause();
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playing.value = !player.value.currentPlayingNode.paused;
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}
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}
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function stop(noDisplayUpdate = false) {
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player.value.stop();
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playing.value = 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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} catch (e) {
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console.warn(e);
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}
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}
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player.value.stop();
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position.value = 0;
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player.value.handlers = [];
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}
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function initSeek() {
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isSeeking = true;
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}
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function performSeek() {
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const noNode = !player.value.currentPlayingNode;
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if (noNode) {
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player.value.play(buffer);
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}
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player.value.seek(position.value);
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display();
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if (noNode) {
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player.value.stop();
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}
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isSeeking = false;
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}
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function toggleVisible() {
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hide.value = !hide.value;
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nextTick(() => { stop(hide.value); });
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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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const canvas = displayCanvas.value;
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const pattern = player.value.getPattern();
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const row = player.value.getRow();
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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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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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}
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.hide {
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border-radius: var(--radius-sm) !important;
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background-color: black !important;
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color: var(--accentLighten) !important;
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font-size: 12px !important;
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}
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.mod-player-enabled {
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position: relative;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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> i {
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display: block;
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position: absolute;
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border-radius: var(--radius-sm);
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background-color: var(--fg);
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color: var(--accentLighten);
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font-size: 14px;
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opacity: .5;
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padding: 3px 6px;
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text-align: center;
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cursor: pointer;
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top: 12px;
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right: 12px;
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}
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> .pattern-display {
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width: 100%;
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height: 100%;
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overflow-x: scroll;
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overflow-y: hidden;
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background-color: black;
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text-align: center;
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.pattern-canvas {
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background-color: black;
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height: 100%;
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}
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}
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> .controls {
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display: flex;
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width: 100%;
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background-color: var(--bg);
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> * {
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padding: 4px 8px;
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}
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> button, a {
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border: none;
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background-color: transparent;
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color: var(--accent);
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cursor: pointer;
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&:hover {
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background-color: var(--fg);
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}
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}
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> input[type=range] {
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height: 21px;
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-webkit-appearance: none;
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width: 90px;
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padding: 0;
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margin: 4px 8px;
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overflow-x: hidden;
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&:focus {
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outline: none;
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&::-webkit-slider-runnable-track {
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background: var(--bg);
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}
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&::-ms-fill-lower, &::-ms-fill-upper {
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background: var(--bg);
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}
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}
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&::-webkit-slider-runnable-track {
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width: 100%;
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height: 100%;
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cursor: pointer;
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border-radius: 0;
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animate: 0.2s;
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background: var(--bg);
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border: 1px solid var(--fg);
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overflow-x: hidden;
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}
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&::-webkit-slider-thumb {
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border: none;
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height: 100%;
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width: 14px;
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border-radius: 0;
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background: var(--accentLighten);
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cursor: pointer;
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-webkit-appearance: none;
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box-shadow: calc(-100vw - 14px) 0 0 100vw var(--accent);
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clip-path: polygon(1px 0, 100% 0, 100% 100%, 1px 100%, 1px calc(50% + 10.5px), -100vw calc(50% + 10.5px), -100vw calc(50% - 10.5px), 0 calc(50% - 10.5px));
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z-index: 1;
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}
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&::-moz-range-track {
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width: 100%;
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height: 100%;
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cursor: pointer;
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border-radius: 0;
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animate: 0.2s;
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background: var(--bg);
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border: 1px solid var(--fg);
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}
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&::-moz-range-progress {
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cursor: pointer;
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height: 100%;
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background: var(--accent);
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}
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&::-moz-range-thumb {
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border: none;
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height: 100%;
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border-radius: 0;
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width: 14px;
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background: var(--accentLighten);
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cursor: pointer;
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}
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&::-ms-track {
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width: 100%;
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height: 100%;
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cursor: pointer;
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border-radius: 0;
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animate: 0.2s;
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background: transparent;
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border-color: transparent;
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color: transparent;
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}
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&::-ms-fill-lower {
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background: var(--accent);
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border: 1px solid var(--fg);
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border-radius: 0;
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}
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&::-ms-fill-upper {
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background: var(--bg);
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border: 1px solid var(--fg);
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border-radius: 0;
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}
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&::-ms-thumb {
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margin-top: 1px;
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border: none;
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height: 100%;
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width: 14px;
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border-radius: 0;
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background: var(--accentLighten);
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cursor: pointer;
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}
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&.progress {
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flex-grow: 1;
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min-width: 0;
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}
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}
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}
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}
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.mod-player-disabled {
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display: flex;
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justify-content: center;
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align-items: center;
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background: #111;
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color: #fff;
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> div {
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display: table-cell;
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text-align: center;
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font-size: 12px;
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> b {
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display: block;
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}
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}
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}
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</style>
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@ -17,6 +17,7 @@ export const FILE_TYPE_BROWSERSAFE = [
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'image/bmp',
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'image/tiff',
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'image/x-icon',
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'image/jxl',
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// OggS
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'audio/opus',
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@ -48,6 +49,56 @@ export const FILE_TYPE_BROWSERSAFE = [
|
|||
'audio/x-flac',
|
||||
'audio/vnd.wave',
|
||||
];
|
||||
|
||||
export const FILE_TYPE_TRACKER_MODULES = [
|
||||
'audio/mod',
|
||||
'audio/x-mod',
|
||||
'audio/s3m',
|
||||
'audio/x-s3m',
|
||||
'audio/xm',
|
||||
'audio/x-xm',
|
||||
'audio/it',
|
||||
'audio/x-it',
|
||||
];
|
||||
|
||||
export const FILE_EXT_TRACKER_MODULES = [
|
||||
'mod',
|
||||
's3m',
|
||||
'xm',
|
||||
'it',
|
||||
'mptm',
|
||||
'stm',
|
||||
'nst',
|
||||
'm15',
|
||||
'stk',
|
||||
'wow',
|
||||
'ult',
|
||||
'669',
|
||||
'mtm',
|
||||
'med',
|
||||
'far',
|
||||
'mdl',
|
||||
'ams',
|
||||
'dsm',
|
||||
'amf',
|
||||
'okt',
|
||||
'dmf',
|
||||
'ptm',
|
||||
'psm',
|
||||
'mt2',
|
||||
'dbm',
|
||||
'digi',
|
||||
'imf',
|
||||
'j2b',
|
||||
'gdm',
|
||||
'umx',
|
||||
'plm',
|
||||
'mo3',
|
||||
'xpk',
|
||||
'ppm',
|
||||
'mmcmp',
|
||||
];
|
||||
|
||||
/*
|
||||
https://github.com/sindresorhus/file-type/blob/main/supported.js
|
||||
https://github.com/sindresorhus/file-type/blob/main/core.js
|
||||
|
|
|
|||
|
|
@ -0,0 +1,266 @@
|
|||
/* global libopenmpt UTF8ToString writeAsciiToMemory */
|
||||
|
||||
const ChiptuneAudioContext = window.AudioContext || window.webkitAudioContext;
|
||||
|
||||
export function ChiptuneJsConfig (repeatCount: number, context: AudioContext) {
|
||||
this.repeatCount = repeatCount;
|
||||
this.context = context;
|
||||
}
|
||||
|
||||
ChiptuneJsConfig.prototype.constructor = ChiptuneJsConfig;
|
||||
|
||||
export function ChiptuneJsPlayer (config: object) {
|
||||
this.config = config;
|
||||
this.audioContext = config.context || new ChiptuneAudioContext();
|
||||
this.context = this.audioContext.createGain();
|
||||
this.currentPlayingNode = null;
|
||||
this.handlers = [];
|
||||
this.touchLocked = true;
|
||||
this.volume = 1;
|
||||
}
|
||||
|
||||
ChiptuneJsPlayer.prototype.constructor = ChiptuneJsPlayer;
|
||||
|
||||
ChiptuneJsPlayer.prototype.fireEvent = function (eventName: string, response) {
|
||||
const handlers = this.handlers;
|
||||
if (handlers.length > 0) {
|
||||
for(const handler of handlers) {
|
||||
if (handler.eventName === eventName) {
|
||||
handler.handler(response);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.addHandler = function (eventName: string, handler: Function) {
|
||||
this.handlers.push({ eventName, handler });
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.onEnded = function (handler: Function) {
|
||||
this.addHandler('onEnded', handler);
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.onError = function (handler: Function) {
|
||||
this.addHandler('onError', handler);
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.duration = function () {
|
||||
return libopenmpt._openmpt_module_get_duration_seconds(this.currentPlayingNode.modulePtr);
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.position = function () {
|
||||
return libopenmpt._openmpt_module_get_position_seconds(this.currentPlayingNode.modulePtr);
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.seek = function (position: number) {
|
||||
if (this.currentPlayingNode) {
|
||||
libopenmpt._openmpt_module_set_position_seconds(this.currentPlayingNode.modulePtr, position);
|
||||
}
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.metadata = function () {
|
||||
const data = {};
|
||||
const keys = UTF8ToString(libopenmpt._openmpt_module_get_metadata_keys(this.currentPlayingNode.modulePtr)).split(';');
|
||||
let keyNameBuffer = 0;
|
||||
for (const key of keys) {
|
||||
keyNameBuffer = libopenmpt._malloc(key.length + 1);
|
||||
writeAsciiToMemory(key, keyNameBuffer);
|
||||
data[key] = UTF8ToString(libopenmpt._openmpt_module_get_metadata(this.currentPlayingNode.modulePtr, keyNameBuffer));
|
||||
libopenmpt._free(keyNameBuffer);
|
||||
}
|
||||
return data;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.unlock = function () {
|
||||
const context = this.audioContext;
|
||||
const buffer = context.createBuffer(1, 1, 22050);
|
||||
const unlockSource = context.createBufferSource();
|
||||
unlockSource.buffer = buffer;
|
||||
unlockSource.connect(this.context);
|
||||
this.context.connect(context.destination);
|
||||
unlockSource.start(0);
|
||||
this.touchLocked = false;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.load = function (input) {
|
||||
return new Promise((resolve, reject) => {
|
||||
if(this.touchLocked) {
|
||||
this.unlock();
|
||||
}
|
||||
const player = this;
|
||||
if (input instanceof File) {
|
||||
const reader = new FileReader();
|
||||
reader.onload = () => {
|
||||
resolve(reader.result);
|
||||
};
|
||||
reader.readAsArrayBuffer(input);
|
||||
} else {
|
||||
window.fetch(input).then((response) => {
|
||||
response.arrayBuffer().then((arrayBuffer) => {
|
||||
resolve(arrayBuffer);
|
||||
}).catch((error) => {
|
||||
reject(error);
|
||||
});
|
||||
}).catch((error) => {
|
||||
reject(error);
|
||||
});
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.play = function (buffer: ArrayBuffer) {
|
||||
this.unlock();
|
||||
this.stop();
|
||||
const processNode = this.createLibopenmptNode(buffer, this.buffer);
|
||||
if (processNode === null) {
|
||||
return;
|
||||
}
|
||||
libopenmpt._openmpt_module_set_repeat_count(processNode.modulePtr, this.config.repeatCount || 0);
|
||||
this.currentPlayingNode = processNode;
|
||||
processNode.connect(this.context);
|
||||
this.context.connect(this.audioContext.destination);
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.stop = function () {
|
||||
if (this.currentPlayingNode != null) {
|
||||
this.currentPlayingNode.disconnect();
|
||||
this.currentPlayingNode.cleanup();
|
||||
this.currentPlayingNode = null;
|
||||
}
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.togglePause = function () {
|
||||
if (this.currentPlayingNode != null) {
|
||||
this.currentPlayingNode.togglePause();
|
||||
}
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getPattern = function () {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_module_get_current_pattern(this.currentPlayingNode.modulePtr);
|
||||
}
|
||||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getRow = function () {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return libopenmpt._openmpt_module_get_current_row(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);
|
||||
}
|
||||
return 0;
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.getPatternRowChannel = function (pattern: number, row: number, channel: number) {
|
||||
if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
|
||||
return UTF8ToString(libopenmpt._openmpt_module_format_pattern_row_channel(this.currentPlayingNode.modulePtr, pattern, row, channel, 0, true));
|
||||
}
|
||||
return '';
|
||||
};
|
||||
|
||||
ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: object) {
|
||||
const maxFramesPerChunk = 4096;
|
||||
const processNode = this.audioContext.createScriptProcessor(2048, 0, 2);
|
||||
processNode.config = config;
|
||||
processNode.player = this;
|
||||
const byteArray = new Int8Array(buffer);
|
||||
const ptrToFile = libopenmpt._malloc(byteArray.byteLength);
|
||||
libopenmpt.HEAPU8.set(byteArray, ptrToFile);
|
||||
processNode.modulePtr = libopenmpt._openmpt_module_create_from_memory(ptrToFile, byteArray.byteLength, 0, 0, 0);
|
||||
processNode.nbChannels = libopenmpt._openmpt_module_get_num_channels(processNode.modulePtr);
|
||||
processNode.patternIndex = -1;
|
||||
processNode.paused = false;
|
||||
processNode.leftBufferPtr = libopenmpt._malloc(4 * maxFramesPerChunk);
|
||||
processNode.rightBufferPtr = libopenmpt._malloc(4 * maxFramesPerChunk);
|
||||
processNode.cleanup = function () {
|
||||
if (this.modulePtr !== 0) {
|
||||
libopenmpt._openmpt_module_destroy(this.modulePtr);
|
||||
this.modulePtr = 0;
|
||||
}
|
||||
if (this.leftBufferPtr !== 0) {
|
||||
libopenmpt._free(this.leftBufferPtr);
|
||||
this.leftBufferPtr = 0;
|
||||
}
|
||||
if (this.rightBufferPtr !== 0) {
|
||||
libopenmpt._free(this.rightBufferPtr);
|
||||
this.rightBufferPtr = 0;
|
||||
}
|
||||
};
|
||||
processNode.stop = function () {
|
||||
this.disconnect();
|
||||
this.cleanup();
|
||||
};
|
||||
processNode.pause = function () {
|
||||
this.paused = true;
|
||||
};
|
||||
processNode.unpause = function () {
|
||||
this.paused = false;
|
||||
};
|
||||
processNode.togglePause = function () {
|
||||
this.paused = !this.paused;
|
||||
};
|
||||
processNode.onaudioprocess = function (e) {
|
||||
const outputL = e.outputBuffer.getChannelData(0);
|
||||
const outputR = e.outputBuffer.getChannelData(1);
|
||||
let framesToRender = outputL.length;
|
||||
if (this.ModulePtr === 0) {
|
||||
for (let i = 0; i < framesToRender; ++i) {
|
||||
outputL[i] = 0;
|
||||
outputR[i] = 0;
|
||||
}
|
||||
this.disconnect();
|
||||
this.cleanup();
|
||||
return;
|
||||
}
|
||||
if (this.paused) {
|
||||
for (let i = 0; i < framesToRender; ++i) {
|
||||
outputL[i] = 0;
|
||||
outputR[i] = 0;
|
||||
}
|
||||
return;
|
||||
}
|
||||
let framesRendered = 0;
|
||||
let ended = false;
|
||||
let error = false;
|
||||
|
||||
const currentPattern = libopenmpt._openmpt_module_get_current_pattern(this.modulePtr);
|
||||
const currentRow = libopenmpt._openmpt_module_get_current_row(this.modulePtr);
|
||||
if (currentPattern !== this.patternIndex) {
|
||||
processNode.player.fireEvent('onPatternChange');
|
||||
}
|
||||
processNode.player.fireEvent('onRowChange', { index: currentRow });
|
||||
|
||||
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);
|
||||
if (actualFramesPerChunk === 0) {
|
||||
ended = true;
|
||||
// modulePtr will be 0 on openmpt: error: openmpt_module_read_float_stereo: ERROR: module * not valid or other openmpt error
|
||||
error = !this.modulePtr;
|
||||
}
|
||||
const rawAudioLeft = libopenmpt.HEAPF32.subarray(this.leftBufferPtr / 4, this.leftBufferPtr / 4 + actualFramesPerChunk);
|
||||
const rawAudioRight = libopenmpt.HEAPF32.subarray(this.rightBufferPtr / 4, this.rightBufferPtr / 4 + actualFramesPerChunk);
|
||||
for (let i = 0; i < actualFramesPerChunk; ++i) {
|
||||
outputL[framesRendered + i] = rawAudioLeft[i];
|
||||
outputR[framesRendered + i] = rawAudioRight[i];
|
||||
}
|
||||
for (let i = actualFramesPerChunk; i < framesPerChunk; ++i) {
|
||||
outputL[framesRendered + i] = 0;
|
||||
outputR[framesRendered + i] = 0;
|
||||
}
|
||||
framesToRender -= framesPerChunk;
|
||||
framesRendered += framesPerChunk;
|
||||
}
|
||||
if (ended) {
|
||||
this.disconnect();
|
||||
this.cleanup();
|
||||
error ? processNode.player.fireEvent('onError', { type: 'openmpt' }) : processNode.player.fireEvent('onEnded');
|
||||
}
|
||||
};
|
||||
return processNode;
|
||||
};
|
||||
Loading…
Reference in New Issue