ytptube/ui/app/components/VideoPlayer.vue
2026-02-20 22:46:30 +03:00

797 lines
21 KiB
Vue

<style scoped>
.player {
display: flex;
justify-content: center;
align-items: center;
height: auto;
max-height: 80vh;
max-width: 80vw;
position: relative;
}
.keyboard-help {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.95);
color: var(--bulma-white);
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 1000;
border-radius: 4px;
overflow-y: auto;
padding: 2rem;
}
.shortcuts-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 2rem;
max-width: 1000px;
width: 100%;
}
.shortcut-section {
text-align: left;
}
.shortcut-section h3 {
color: var(--bulma-primary);
margin-bottom: 1rem;
font-size: 1.1rem;
}
.shortcut-item {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 0.75rem;
font-size: 0.95rem;
}
.shortcut-item span:first-child {
flex: 1;
}
.shortcut-item .kbd-group {
display: flex;
gap: 0.5rem;
margin-left: auto;
}
.shortcut-key {
background: rgba(255, 255, 255, 0.1);
padding: 0.25rem 0.5rem;
border-radius: 3px;
margin-right: 1rem;
font-family: monospace;
font-weight: bold;
min-width: 60px;
text-align: center;
}
.help-close-hint {
margin-top: 2rem;
font-size: 0.9rem;
color: var(--bulma-light);
}
</style>
<template>
<div v-if="infoLoaded">
<div style="position: relative">
<video
class="player"
ref="video"
:poster="uri(thumbnail)"
playsinline
controls
crossorigin="anonymous"
preload="auto"
autoplay
>
<source
v-for="source in sources"
:key="source.src"
:src="source.src"
@error="source.onerror"
:type="source.type"
/>
<track
v-for="(track, i) in tracks"
:key="track.file"
:kind="track.kind"
:label="track.label"
:srclang="track.lang"
:src="track.file"
:default="notFirefox && 0 === i"
/>
</video>
<div class="is-flex is-justify-content-space-between">
<div>
<span
v-if="infoLoaded && !usingHls && hasVideoStream"
class="is-hidden-mobile has-text-info is-pointer"
@click.prevent="forceSwitchToHls"
>
<span class="icon"><i class="fa-solid fa-arrows-rotate" /></span>
<span>Trouble playing? switch to HLS stream.</span>
</span>
</div>
<div>
<span
class="is-hidden-mobile has-text-grey-lighter is-pointer"
@click="showHelp = !showHelp"
>
<span class="icon"><i class="fa-solid fa-question" /></span>
<span>Show keyboard shortcuts with <kbd>?</kbd> or <kbd>/</kbd></span>
</span>
</div>
</div>
<div v-if="showHelp" class="keyboard-help" @click.self="showHelp = false">
<h2 style="margin-bottom: 1.5rem">Keyboard Shortcuts</h2>
<div class="shortcuts-grid">
<div class="shortcut-section">
<h3>Playback Control</h3>
<div class="shortcut-item">
<span>Play/Pause</span>
<div class="kbd-group">
<kbd class="shortcut-key">SPACE</kbd>
<kbd class="shortcut-key">K</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Rewind 10s</span>
<div class="kbd-group">
<kbd class="shortcut-key">J</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Forward 10s</span>
<div class="kbd-group">
<kbd class="shortcut-key">L</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Mute/Unmute</span>
<div class="kbd-group">
<kbd class="shortcut-key">M</kbd>
</div>
</div>
</div>
<div class="shortcut-section">
<h3>Seeking</h3>
<div class="shortcut-item">
<span>Seek Back 5s</span>
<div class="kbd-group">
<kbd class="shortcut-key"></kbd>
</div>
</div>
<div class="shortcut-item">
<span>Seek Forward 5s</span>
<div class="kbd-group">
<kbd class="shortcut-key"></kbd>
</div>
</div>
<div class="shortcut-item">
<span>Jump to Start</span>
<div class="kbd-group">
<kbd class="shortcut-key">HOME</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Jump to End</span>
<div class="kbd-group">
<kbd class="shortcut-key">END</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Jump to %</span>
<div class="kbd-group">
<kbd class="shortcut-key">0-9</kbd>
</div>
</div>
</div>
<div class="shortcut-section">
<h3>Volume & Speed</h3>
<div class="shortcut-item">
<span>Increase Volume</span>
<div class="kbd-group">
<kbd class="shortcut-key"></kbd>
</div>
</div>
<div class="shortcut-item">
<span>Decrease Volume</span>
<div class="kbd-group">
<kbd class="shortcut-key"></kbd>
</div>
</div>
<div class="shortcut-item">
<span>Increase Speed</span>
<div class="kbd-group">
<kbd class="shortcut-key">'</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Decrease Speed</span>
<div class="kbd-group">
<kbd class="shortcut-key">;</kbd>
</div>
</div>
</div>
<div class="shortcut-section">
<h3>Display & Other</h3>
<div class="shortcut-item">
<span>Fullscreen</span>
<div class="kbd-group">
<kbd class="shortcut-key">F</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Picture in Picture (PiP)</span>
<div class="kbd-group">
<kbd class="shortcut-key">P</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Toggle Captions</span>
<div class="kbd-group">
<kbd class="shortcut-key">C</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Frame Advance</span>
<div class="kbd-group">
<kbd class="shortcut-key">.</kbd>
</div>
</div>
<div class="shortcut-item">
<span>Frame Rewind</span>
<div class="kbd-group">
<kbd class="shortcut-key">,</kbd>
</div>
</div>
</div>
</div>
<div class="help-close-hint">
Click outside or press <kbd>?</kbd> or <kbd>/</kbd> to close
</div>
</div>
</div>
</div>
<div style="text-align: center" v-else>
<div class="icon">
<i class="fa-solid fa-spinner fa-spin fa-4x" />
</div>
</div>
</template>
<script setup lang="ts">
import { useStorage } from '@vueuse/core';
import { watch } from 'vue';
import Hls from 'hls.js';
import { disableOpacity, enableOpacity } from '~/utils';
import { useKeyboardShortcuts } from '~/composables/useKeyboardShortcuts';
import type { StoreItem } from '~/types/store';
import type { file_info, video_source_element, video_track_element } from '~/types/video';
const config = useConfigStore();
const props = defineProps<{ item: StoreItem }>();
const emitter = defineEmits<{
(e: 'closeModel'): void;
(e: 'error', message: string): void;
}>();
const video = useTemplateRef<HTMLVideoElement>('video');
const tracks = ref<Array<video_track_element>>([]);
const sources = ref<Array<video_source_element>>([]);
const thumbnail = ref('/images/placeholder.png');
const artist = ref('');
const title = ref('');
const isAudio = ref(false);
const hasVideoStream = ref(false);
const videoWidth = ref<number | undefined>(undefined);
const videoHeight = ref<number | undefined>(undefined);
const volume = useStorage('player_volume', 1);
const notFirefox = !navigator.userAgent.toLowerCase().includes('firefox');
const infoLoaded = ref(false);
const destroyed = ref(false);
const isApple = /(iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);
const havePoster = ref(false);
const showHelp = ref(false);
const usingHls = ref(false);
let unbindMediaSessionListeners: null | (() => void) = null;
let hls: Hls | null = null;
let cleanupKeyboardShortcuts: null | (() => void) = null;
const handle_event = (e: KeyboardEvent) => {
if ('Escape' !== e.key) {
return;
}
emitter('closeModel');
};
const bindMediaSessionListeners = (el: HTMLVideoElement) => {
const onLoadedMetadata = (e: Event) => updateMediaSessionPosition(e.currentTarget);
const onTimeUpdate = (e: Event) => updateMediaSessionPosition(e.currentTarget);
const onRateChange = (e: Event) => updateMediaSessionPosition(e.currentTarget);
const onSeeked = (e: Event) => updateMediaSessionPosition(e.currentTarget);
const onPause = async (e: Event) => {
const target = (e.currentTarget as HTMLVideoElement) ?? null;
if (!target || destroyed.value) {
return;
}
const dataUrl = await captureFrame(target);
if (dataUrl) {
thumbnail.value = dataUrl;
havePoster.value = true;
applyMediaSessionMetadata();
}
};
el.addEventListener('loadedmetadata', onLoadedMetadata);
el.addEventListener('timeupdate', onTimeUpdate);
el.addEventListener('ratechange', onRateChange);
el.addEventListener('seeked', onSeeked);
el.addEventListener('pause', onPause);
return () => {
el.removeEventListener('loadedmetadata', onLoadedMetadata);
el.removeEventListener('timeupdate', onTimeUpdate);
el.removeEventListener('ratechange', onRateChange);
el.removeEventListener('seeked', onSeeked);
el.removeEventListener('pause', onPause);
};
};
const updateMediaSessionPosition = (target: EventTarget | null) => {
if (false === 'mediaSession' in navigator) {
return;
}
const el = (target as HTMLVideoElement) ?? null;
if (!el || destroyed.value) {
return;
}
const d = el.duration;
if (false === Number.isFinite(d) || 0 >= d) {
return;
}
try {
navigator.mediaSession.setPositionState({
duration: d,
playbackRate: el.playbackRate,
position: el.currentTime,
});
} catch {}
};
const volume_change_handler = () => {
const el = video.value;
if (!el) {
return;
}
volume.value = el.volume;
updateMediaSessionPosition(el);
};
const captureFrame = async (el: HTMLVideoElement): Promise<string> => {
if (!el || destroyed.value) {
return '';
}
if (0 === el.videoWidth || 0 === el.videoHeight) {
return '';
}
const w = el.videoWidth;
const h = el.videoHeight;
try {
if ('OffscreenCanvas' in window) {
const c = new (window as any).OffscreenCanvas(w, h);
const ctx = c.getContext('2d');
if (!ctx) {
return '';
}
ctx.drawImage(el, 0, 0, w, h);
const blob = await c.convertToBlob({ type: 'image/jpeg', quality: 0.86 });
return await new Promise<string>((r) => {
const fr = new FileReader();
fr.onload = () => r(String(fr.result));
fr.readAsDataURL(blob);
});
} else {
const c = document.createElement('canvas');
c.width = w;
c.height = h;
const ctx = c.getContext('2d');
if (!ctx) {
return '';
}
ctx.drawImage(el, 0, 0, w, h);
return c.toDataURL('image/jpeg', 0.86);
}
} catch {
return '';
}
};
const captureFirstFramePoster = async (el: HTMLVideoElement): Promise<void> => {
if (!el || destroyed.value) {
return;
}
if (havePoster.value) {
return;
}
if (0 === el.videoWidth || 0 === el.videoHeight) {
return;
}
const dataUrl = await captureFrame(el);
if (!dataUrl) {
return;
}
thumbnail.value = dataUrl;
havePoster.value = true;
applyMediaSessionMetadata();
};
const restoreDefaultTextTrack = async () => {
const el = video.value;
if (!el) {
return;
}
try {
const tracksList = el.textTracks;
if (!tracksList || 0 === tracksList.length) {
return;
}
// Check if first track has cues - if not, we need to reload tracks
const firstTrack = tracksList[0] as TextTrack | undefined;
const needsReload = firstTrack && (!firstTrack.cues || firstTrack.cues.length === 0);
if (needsReload) {
const trackElements = el.querySelectorAll('track');
trackElements.forEach((trackEl, idx) => {
const parent = trackEl.parentNode;
const clone = trackEl.cloneNode(true) as HTMLTrackElement;
trackEl.remove();
setTimeout(() => {
if (parent) {
parent.appendChild(clone);
// Set mode after cues load
clone.addEventListener(
'load',
() => {
const trackObj = clone.track;
if (trackObj) {
trackObj.mode = idx === 0 ? 'showing' : 'disabled';
}
},
{ once: true },
);
}
}, idx * 10);
});
return;
}
for (let i = 0; i < tracksList.length; i += 1) {
const track = tracksList[i] as TextTrack | undefined;
if (track) {
track.mode = 'disabled';
}
}
await new Promise((resolve) => setTimeout(resolve, 50));
for (let i = 0; i < tracksList.length; i += 1) {
const track = tracksList[i] as TextTrack | undefined;
if (!track) {
continue;
}
const newMode = 0 === i ? 'showing' : 'disabled';
track.mode = newMode;
}
} catch (error) {
console.warn('Failed to restore subtitle track state', error);
}
};
onMounted(async () => {
disableOpacity();
const req = await request(makeDownload(config, props.item, 'api/file/info'));
const response: file_info = await req.json();
if (!req.ok) {
emitter('error', response?.error || 'Failed to fetch video info. Unknown error');
emitter('closeModel');
return;
}
await nextTick();
if (props.item.extras?.thumbnail) {
thumbnail.value = '/api/thumbnail?url=' + encodePath(props.item.extras.thumbnail);
havePoster.value = true;
} else {
if (response.sidecar?.image?.[0]?.file) {
thumbnail.value = makeDownload(config, { filename: response.sidecar.image[0].file });
havePoster.value = true;
}
}
hasVideoStream.value =
Array.isArray(response.ffprobe?.video) &&
response.ffprobe.video.some((s) => 'video' === s.codec_type);
// Extract video dimensions to prevent layout reflow
if (hasVideoStream.value && response.ffprobe?.video) {
const videoStream = response.ffprobe.video.find((s) => 'video' === s.codec_type);
if (videoStream?.width && videoStream?.height) {
videoWidth.value = videoStream.width;
videoHeight.value = videoStream.height;
}
}
if (!props.item.extras?.is_video && props.item.extras?.is_audio) {
isAudio.value = true;
} else {
if (false === hasVideoStream.value) {
isAudio.value = true;
}
}
if (isApple) {
const allowedCodec = response.mimetype && response.mimetype.includes('video/mp4');
const src = makeDownload(
config,
props.item,
allowedCodec ? 'api/download' : 'm3u8',
allowedCodec ? false : true,
);
sources.value.push({
src,
type: allowedCodec ? response.mimetype : 'application/x-mpegURL',
onerror: (err: Event) => src_error(err),
});
usingHls.value = !allowedCodec;
} else {
const src = makeDownload(config, props.item, 'api/download', false);
sources.value.push({ src, type: response.mimetype, onerror: (err: Event) => src_error(err) });
usingHls.value = false;
}
if (props.item.extras?.channel) {
artist.value = props.item.extras.channel;
}
if (!artist.value && props.item.extras?.uploader) {
artist.value = props.item.extras.uploader;
}
if (props.item?.title) {
title.value = props.item.title;
} else {
if (response?.title) {
title.value = response.title;
} else {
if (response.ffprobe?.metadata?.tags?.title) {
title.value = response.ffprobe.metadata.tags.title;
}
}
}
response.sidecar?.subtitle?.forEach((cap, _) => {
tracks.value.push({
kind: 'captions',
label: cap.name,
lang: cap.lang,
file: `${makeDownload(config, { filename: cap.file }, 'api/player/subtitle')}.vtt`,
});
});
if (isApple) {
document.documentElement.style.setProperty('--webkit-text-track-display', 'block');
}
infoLoaded.value = true;
await nextTick();
prepareVideoPlayer();
if (video.value) {
unbindMediaSessionListeners = bindMediaSessionListeners(video.value);
}
const keyboardShortcutsResult = useKeyboardShortcuts({
videoElement: video,
enabled: ref(true),
closePlayer: () => emitter('closeModel'),
});
cleanupKeyboardShortcuts = keyboardShortcutsResult.attach();
watch(keyboardShortcutsResult.showHelp, (newVal) => (showHelp.value = newVal));
document.addEventListener('keydown', handle_event);
});
const applyMediaSessionMetadata = () => {
if (false === 'mediaSession' in navigator) {
return;
}
const meta: MediaMetadataInit = { title: title.value };
if (artist.value) {
meta.artist = artist.value;
}
if (thumbnail.value) {
meta.artwork = [{ src: thumbnail.value, sizes: '1920x1080', type: 'image/jpeg' }];
}
try {
navigator.mediaSession.metadata = new MediaMetadata(meta);
} catch {}
};
onUpdated(() => prepareVideoPlayer());
onBeforeUnmount(() => {
enableOpacity();
if (hls) {
hls.destroy();
hls = null;
}
usingHls.value = false;
document.removeEventListener('keydown', handle_event);
if (cleanupKeyboardShortcuts) {
cleanupKeyboardShortcuts();
cleanupKeyboardShortcuts = null;
}
if (unbindMediaSessionListeners) {
unbindMediaSessionListeners();
unbindMediaSessionListeners = null;
}
if (title.value) {
window.document.title = 'YTPTube';
}
if (!video.value) {
return;
}
destroyed.value = true;
try {
video.value.pause();
video.value.querySelectorAll('source').forEach((source) => source.removeAttribute('src'));
video.value.removeEventListener('volumechange', volume_change_handler);
video.value.load();
} catch (e) {
console.error(e);
}
});
const prepareVideoPlayer = () => {
if (!infoLoaded.value) {
return;
}
applyMediaSessionMetadata();
if (title.value) {
window.document.title = `YTPTube - Playing: ${title.value}`;
}
if (!video.value) {
return;
}
video.value.volume = volume.value;
video.value.addEventListener('volumechange', volume_change_handler);
restoreDefaultTextTrack();
if (hasVideoStream.value) {
if ('requestVideoFrameCallback' in video.value) {
(video.value as any).requestVideoFrameCallback(() => captureFirstFramePoster(video.value!));
} else {
const tryOnce = () => captureFirstFramePoster(video.value!);
(video.value as any).addEventListener('loadeddata', tryOnce, { once: true });
}
}
};
const src_error = async (e: any) => {
if (hls) {
return;
}
await nextTick();
if (destroyed.value) {
return;
}
if (video.value && notFirefox && video.value.paused) {
return;
}
console.warn('Source failed to load, attempting HLS fallback via hls.js...', e);
attach_hls(makeDownload(config, props.item, 'm3u8', true));
};
const attach_hls = (link: string) => {
if (!video.value) {
return;
}
hls = new Hls({
debug: false,
enableWorker: true,
lowLatencyMode: true,
backBufferLength: 120,
fragLoadingTimeOut: 200000,
});
hls.on(Hls.Events.MANIFEST_PARSED, () => applyMediaSessionMetadata());
hls.on(Hls.Events.MANIFEST_PARSED, async () => {
await new Promise((resolve) => setTimeout(resolve, 100));
await restoreDefaultTextTrack();
});
hls.on(Hls.Events.MEDIA_ATTACHED, async () => {
await new Promise((resolve) => setTimeout(resolve, 200));
await restoreDefaultTextTrack();
});
hls.on(Hls.Events.LEVEL_LOADED, () => {
if (video.value) {
if ('requestVideoFrameCallback' in video.value) {
(video.value as any).requestVideoFrameCallback(() => captureFirstFramePoster(video.value!));
} else {
const once = () => captureFirstFramePoster(video.value!);
(video.value as any).addEventListener('loadeddata', once, { once: true });
}
}
});
hls.loadSource(link);
hls.attachMedia(video.value);
usingHls.value = true;
};
const forceSwitchToHls = () => {
if (usingHls.value) {
return;
}
if (!hasVideoStream.value) {
useNotification().error('Cannot switch to HLS: stream has no video track.');
return;
}
attach_hls(makeDownload(config, props.item, 'm3u8', true));
};
</script>