joaquin/KiraTV-APP-NodeCast-Modificada-y-Personalizada
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feat: Implement hardware-accelerated HLS transcoding with granular controls, smart stereo downmixing, and robust support for MKV and 10-bit HEVC playback.

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This commit is contained in:
Trevor Mears
2026-01-17 03:07:16 -08:00
parent efcf14a545
commit 2c34359b2c
11 changed files with 472 additions and 97 deletions
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public/js/pages/WatchPage.js
+151 -54
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@@ -59,6 +59,9 @@ class WatchPage {
this.captionsMenu = document.getElementById('watch-captions-menu');
this.captionsList = document.getElementById('watch-captions-list');
// Transcode Status
this.transcodeStatusEx = document.getElementById('watch-transcode-status');
// State
this.hls = null;
this.content = null;
@@ -229,11 +232,65 @@ class WatchPage {
// Check favorite status
await this.checkFavorite();
// Show overlay initially
this.showOverlay();
}
/**
* Start a HLS transcode session
*/
async startTranscodeSession(url, options = {}) {
try {
console.log('[WatchPage] Starting HLS transcode session...', options);
const res = await fetch('/api/transcode/session', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ url, ...options })
});
if (!res.ok) throw new Error('Failed to start session');
const session = await res.json();
this.currentSessionId = session.sessionId;
return session.playlistUrl;
} catch (err) {
console.error('[WatchPage] Session start failed:', err);
// Fallback to direct transcode if session fails
return `/api/transcode?url=${encodeURIComponent(url)}`;
}
}
/**
* Stop and cleanup current transcode session
*/
async stopTranscodeSession() {
if (this.currentSessionId) {
console.log('[WatchPage] Stopping transcode session:', this.currentSessionId);
try {
// Fire and forget cleanup
fetch(`/api/transcode/${this.currentSessionId}`, { method: 'DELETE' });
} catch (err) {
console.error('Failed to stop session:', err);
}
this.currentSessionId = null;
}
}
async updateTranscodeStatus(mode, text) {
if (!this.transcodeStatusEx) return;
this.transcodeStatusEx.className = 'transcode-status'; // Reset classes
if (mode === 'hidden') {
this.transcodeStatusEx.classList.add('hidden');
return;
}
this.transcodeStatusEx.textContent = text || mode;
this.transcodeStatusEx.classList.add(mode);
// Ensure it's visible
this.transcodeStatusEx.classList.remove('hidden');
}
async loadVideo(url) {
// Store the URL for copy functionality
this.currentUrl = url;
@@ -266,16 +323,22 @@ class WatchPage {
console.log(`[WatchPage] Probe result: video=${info.video}, audio=${info.audio}, compatible=${info.compatible}`);
if (info.needsTranscode) {
console.log('[WatchPage] Auto: Using transcode (incompatible audio)');
const finalUrl = `/api/transcode?url=${encodeURIComponent(url)}`;
this.video.src = finalUrl;
this.video.play().catch(e => {
if (e.name !== 'AbortError') console.error('[WatchPage] Autoplay error:', e);
});
console.log('[WatchPage] Auto: Using HLS transcode session (incompatible audio/video)');
// Heuristic: If video is h264/compat, copy video. Usage: Audio fix.
const videoMode = (info.video && info.video.includes('h264')) ? 'copy' : 'encode';
const statusText = videoMode === 'copy' ? 'Transcoding (Audio)' : 'Transcoding (Video)';
this.updateTranscodeStatus('transcoding', statusText);
const playlistUrl = await this.startTranscodeSession(url, { videoMode, videoCodec: info.video });
this.playHls(playlistUrl);
this.setVolumeFromStorage();
return;
} else if (info.needsRemux) {
// Remux (container swap) currently doesn't use session logic, uses direct stream
// TODO: Move remux to session logic if seeking is needed for TS files
console.log('[WatchPage] Auto: Using remux (.ts container)');
this.updateTranscodeStatus('remuxing', 'Remux (Auto)');
const finalUrl = `/api/remux?url=${encodeURIComponent(url)}`;
this.video.src = finalUrl;
this.video.play().catch(e => {
@@ -292,14 +355,30 @@ class WatchPage {
}
}
// Priority 1: Force Transcode - route through FFmpeg
// Priority 1: Force Video Transcode (Full)
if (settings.forceVideoTranscode) {
console.log('[WatchPage] Force Video Transcode enabled. Starting session (encode)...');
this.updateTranscodeStatus('transcoding', 'Transcoding (Video)');
const playlistUrl = await this.startTranscodeSession(url, { videoMode: 'encode' });
this.playHls(playlistUrl);
this.setVolumeFromStorage();
return;
}
if (settings.forceTranscode) {
console.log('[WatchPage] Force Transcode enabled');
const finalUrl = `/api/transcode?url=${encodeURIComponent(url)}`;
this.video.src = finalUrl;
this.video.play().catch(e => {
if (e.name !== 'AbortError') console.error('[WatchPage] Autoplay error:', e);
});
console.log('[WatchPage] Force Audio Transcode enabled. Starting session (copy)...');
this.updateTranscodeStatus('transcoding', 'Transcoding (Audio)');
// Probe to get video codec for HEVC tag handling
let videoCodec = 'unknown';
try {
const probeRes = await fetch(`/api/probe?url=${encodeURIComponent(url)}`);
const info = await probeRes.json();
videoCodec = info.video;
} catch (e) { console.warn('Probe failed for force audio, assuming h264'); }
const playlistUrl = await this.startTranscodeSession(url, { videoMode: 'copy', videoCodec });
this.playHls(playlistUrl);
this.setVolumeFromStorage();
return;
}
@@ -307,6 +386,7 @@ class WatchPage {
// Priority 2: Force Remux for raw TS streams
if (settings.forceRemux && isRawTs) {
console.log('[WatchPage] Force Remux enabled');
this.updateTranscodeStatus('remuxing', 'Remux (Force)');
const finalUrl = `/api/remux?url=${encodeURIComponent(url)}`;
this.video.src = finalUrl;
this.video.play().catch(e => {
@@ -325,48 +405,11 @@ class WatchPage {
// Use HLS.js for HLS streams
if (looksLikeHls && Hls.isSupported()) {
this.hls = new Hls({
maxBufferLength: 30,
maxMaxBufferLength: 60,
startLevel: -1,
enableWorker: true,
});
this.hls.loadSource(finalUrl);
this.hls.attachMedia(this.video);
// Listen for subtitle track updates
this.hls.on(Hls.Events.SUBTITLE_TRACKS_UPDATED, (event, data) => {
console.log('[WatchPage] Subtitle tracks updated:', data.subtitleTracks);
// Wait a moment for native text tracks to populate
setTimeout(() => this.updateCaptionsTracks(), 100);
});
this.hls.on(Hls.Events.SUBTITLE_TRACK_SWITCH, (event, data) => {
console.log('[WatchPage] Subtitle track switched:', data);
});
this.hls.on(Hls.Events.MANIFEST_PARSED, () => {
this.video.play().catch(e => {
if (e.name !== 'AbortError') console.error('[WatchPage] Autoplay error:', e);
});
});
this.hls.on(Hls.Events.ERROR, (event, data) => {
if (data.fatal) {
console.error('[WatchPage] HLS fatal error:', data);
// Try proxy on CORS error
if (!needsProxy && (data.type === Hls.ErrorTypes.NETWORK_ERROR)) {
console.log('[WatchPage] Retrying via proxy...');
this.hls.loadSource(`/api/proxy/stream?url=${encodeURIComponent(url)}`);
this.hls.startLoad();
} else {
this.hls.destroy();
}
}
});
this.updateTranscodeStatus('direct', 'Direct HLS');
this.playHls(finalUrl);
} else {
// Direct playback for mp4/mkv/avi
this.updateTranscodeStatus('direct', 'Direct Play');
this.video.src = finalUrl;
this.video.play().catch(e => {
if (e.name !== 'AbortError') console.error('[WatchPage] Autoplay error:', e);
@@ -376,6 +419,56 @@ class WatchPage {
this.setVolumeFromStorage();
}
/**
* Play HLS stream using Hls.js
*/
playHls(url) {
if (this.hls) {
this.hls.destroy();
}
this.hls = new Hls({
maxBufferLength: 30,
maxMaxBufferLength: 60,
startLevel: -1,
enableWorker: true,
});
this.hls.loadSource(url);
this.hls.attachMedia(this.video);
// Listen for subtitle track updates
this.hls.on(Hls.Events.SUBTITLE_TRACKS_UPDATED, (event, data) => {
console.log('[WatchPage] Subtitle tracks updated:', data.subtitleTracks);
// Wait a moment for native text tracks to populate
setTimeout(() => this.updateCaptionsTracks(), 100);
});
this.hls.on(Hls.Events.SUBTITLE_TRACK_SWITCH, (event, data) => {
console.log('[WatchPage] Subtitle track switched:', data);
});
this.hls.on(Hls.Events.MANIFEST_PARSED, () => {
this.video.play().catch(e => {
if (e.name !== 'AbortError') console.error('[WatchPage] Autoplay error:', e);
});
});
this.hls.on(Hls.Events.ERROR, (event, data) => {
if (data.fatal) {
console.error('[WatchPage] HLS fatal error:', data);
// Try proxy on CORS error (only if not already proxied/transcoded)
// Note: Transcoded streams are local, so no CORS issues usually
if (!url.startsWith('/api/') && (data.type === Hls.ErrorTypes.NETWORK_ERROR)) {
console.log('[WatchPage] Retrying via proxy...');
this.playHls(`/api/proxy/stream?url=${encodeURIComponent(this.currentUrl)}`);
} else {
this.hls.destroy();
}
}
});
}
setVolumeFromStorage() {
const savedVolume = localStorage.getItem('nodecast-volume') || '80';
this.video.volume = parseInt(savedVolume) / 100;
@@ -383,6 +476,10 @@ class WatchPage {
}
stop() {
// Cleanup transcode session if exists
this.stopTranscodeSession();
this.updateTranscodeStatus('hidden');
if (this.hls) {
this.hls.destroy();
this.hls = null;