Instancia transcoder t1: cambios locales
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Joaquin
@@ -18,6 +18,7 @@ const fs = require('fs').promises;
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const crypto = require('crypto');
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const EventEmitter = require('events');
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const hwDetect = require('./hwDetect');
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const streamInput = require('../utils/streamInput');
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// Session storage
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const sessions = new Map();
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@@ -26,9 +27,9 @@ const sessions = new Map();
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const CACHE_DIR = path.join(process.cwd(), 'transcode-cache');
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// Session settings
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const SESSION_TIMEOUT_MS = 30 * 60 * 1000; // 30 minutes idle timeout
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const SESSION_TIMEOUT_MS = 3 * 60 * 1000; // 3 minutes idle timeout (kills orphaned sessions quickly)
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const SEGMENT_DURATION = 4; // seconds per HLS segment
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const CLEANUP_INTERVAL_MS = 5 * 60 * 1000; // Check every 5 minutes
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const CLEANUP_INTERVAL_MS = 60 * 1000; // Check every 60 seconds
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/**
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* Generate a unique session ID
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@@ -181,11 +182,17 @@ class TranscodeSession extends EventEmitter {
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console.log(`[TranscodeSession ${this.id}] Auto encoder resolved to: ${encoder}`);
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}
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const sizing = streamInput.probeSizingForUrl(this.url);
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const referer = streamInput.deriveRefererFromUrl(this.url);
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const args = [
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'-hide_banner',
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'-loglevel', 'warning',
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'-user_agent', this.options.userAgent,
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];
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if (referer) {
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args.push('-referer', referer);
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}
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// Add hardware acceleration input options based on encoder (only if encoding)
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if (videoMode === 'encode') {
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@@ -194,8 +201,8 @@ class TranscodeSession extends EventEmitter {
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// Input options (common)
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args.push(
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'-probesize', '5000000',
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'-analyzeduration', '5000000',
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'-probesize', sizing.probesize,
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'-analyzeduration', sizing.analyzeduration,
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'-fflags', '+genpts+discardcorrupt',
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'-err_detect', 'ignore_err',
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'-reconnect', '1',
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@@ -222,7 +229,10 @@ class TranscodeSession extends EventEmitter {
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if (this.options.videoCodec === 'hevc' || this.options.videoCodec === 'h265') {
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args.push('-bsf:v', 'hevc_mp4toannexb');
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} else if (this.options.videoCodec === 'h264' || this.options.videoCodec === 'avc') {
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args.push('-bsf:v', 'h264_mp4toannexb');
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// Keep Annex-B conversion and force parameter sets to be repeated.
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// This helps players recover on streams where SPS/PPS appear sporadically,
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// which often manifests as "audio OK, black video".
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args.push('-bsf:v', 'h264_mp4toannexb,dump_extra');
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} else {
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// Fallback (e.g. unknown codec), try strict extraction
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args.push('-bsf:v', 'dump_extra');
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@@ -296,12 +306,12 @@ class TranscodeSession extends EventEmitter {
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);
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break;
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case 'vaapi':
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// VAAPI hardware decoding (Linux)
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args.push(
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'-hwaccel', 'vaapi',
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'-hwaccel_device', '/dev/dri/renderD128',
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'-hwaccel_output_format', 'vaapi'
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);
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// Solo registramos el dispositivo VAAPI globalmente.
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// Se usa decodificación SOFTWARE para máxima compatibilidad con
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// cualquier codec de entrada (HEVC, VP9, etc.) — el GPU Intel
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// puede no tener soporte de decodificación para todos ellos.
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// El upload a memoria VAAPI se hace en el filtro de vídeo.
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args.push('-vaapi_device', '/dev/dri/renderD128');
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break;
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case 'qsv':
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// Intel QuickSync hardware decoding
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@@ -404,7 +414,9 @@ class TranscodeSession extends EventEmitter {
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// Force nv12 (8-bit) output to handle 10-bit inputs (fixes "10 bit encode not supported")
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return `scale_cuda=-2:${height}:interp_algo=lanczos:format=nv12`;
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case 'vaapi':
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return `scale_vaapi=w=-2:h=${height}:format=nv12`;
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// Software decode → scale → nv12 → hwupload → VAAPI encode
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// format=nv12 ANTES de hwupload es obligatorio para Intel iGPU en LXC
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return `scale=-2:${height},format=nv12,hwupload`;
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case 'qsv':
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return `scale_qsv=w=-2:h=${height}:format=nv12`;
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case 'amf':
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@@ -466,14 +478,11 @@ class TranscodeSession extends EventEmitter {
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// The format is handled automatically when using -hwaccel_output_format vaapi
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args.push('-vf', this.buildScaleFilter('vaapi', height));
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// VAAPI encoder with quality setting
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// Note: -global_quality is the portable way to set quality for VAAPI
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// VAAPI encoder. No especificar -profile:v ni -pix_fmt (los gestiona el driver).
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// -bf 3 puede causar problemas en algunos drivers Intel; se omite.
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args.push(
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'-c:v', 'h264_vaapi',
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'-profile:v', 'main', // Use main profile for compatibility
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'-global_quality', String(qp),
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'-bf', '3',
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'-pix_fmt', 'yuv420p' // Force 8-bit output for compatibility
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'-global_quality', String(qp)
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);
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}
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@@ -551,6 +560,7 @@ class TranscodeSession extends EventEmitter {
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/**
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* Wait for playlist to be ready (with timeout)
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* Fast-fails if FFmpeg exited with an error before the timeout.
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*/
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async waitForPlaylist(timeoutMs = 10000) {
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const startTime = Date.now();
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@@ -558,6 +568,11 @@ class TranscodeSession extends EventEmitter {
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if (await this.isPlaylistReady()) {
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return true;
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}
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// Fast-fail: FFmpeg already exited with an error — no point waiting
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if (this.status === 'error' && !this.process) {
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console.log(`[TranscodeSession ${this.id}] Fast-fail: FFmpeg exited with error, aborting wait`);
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return false;
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}
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await new Promise(resolve => setTimeout(resolve, 200));
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}
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return false;
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