mirror of
https://github.com/R0m1k3/xtremflow.git
synced 2026-10-15 11:18:05 +02:00
feat: Add initial IPTV player with web-based playback and streaming API.
This commit is contained in:
1 parent
e3f5bc6e66
commit
f290f5a7fc
7 files changed
+354
-1440
No files matched your search
@@ -1,289 +0,0 @@
|
||||
import 'dart:io';
|
||||
import 'dart:async';
|
||||
import 'dart:convert';
|
||||
import 'package:shelf/shelf.dart';
|
||||
|
||||
/// Active FFmpeg processes and their temp directories
|
||||
final Map<String, Process> _activeStreams = {};
|
||||
final Map<String, Directory> _streamDirs = {};
|
||||
|
||||
/// Create handler for HLS file serving
|
||||
///
|
||||
/// Serves playlist.m3u8 and segment files created by FFmpeg
|
||||
Handler createHlsFileHandler() {
|
||||
return (Request request) async {
|
||||
final path = request.url.path;
|
||||
|
||||
// Only handle /api/hls/* requests
|
||||
if (!path.startsWith('api/hls/')) {
|
||||
return Response.notFound('Not found');
|
||||
}
|
||||
|
||||
try {
|
||||
// Parse path: /api/hls/{streamId}/{filename}
|
||||
final pathParts = path.split('/');
|
||||
if (pathParts.length < 4) {
|
||||
return Response.badRequest(body: 'Invalid HLS path');
|
||||
}
|
||||
|
||||
final streamId = pathParts[2];
|
||||
final filename = pathParts[3];
|
||||
|
||||
// Get temp directory for this stream
|
||||
final tempDir = Directory('${Directory.systemTemp.path}/hls_$streamId');
|
||||
|
||||
if (!await tempDir.exists()) {
|
||||
return Response.notFound('Stream not found');
|
||||
}
|
||||
|
||||
// Construct file path
|
||||
final filePath = '${tempDir.path}/$filename';
|
||||
final file = File(filePath);
|
||||
|
||||
if (!await file.exists()) {
|
||||
return Response.notFound('File not found');
|
||||
}
|
||||
|
||||
// Determine content type
|
||||
String contentType;
|
||||
if (filename.endsWith('.m3u8')) {
|
||||
contentType = 'application/vnd.apple.mpegurl';
|
||||
} else if (filename.endsWith('.ts')) {
|
||||
contentType = 'video/MP2T';
|
||||
} else {
|
||||
contentType = 'application/octet-stream';
|
||||
}
|
||||
|
||||
// Read and return file
|
||||
final fileBytes = await file.readAsBytes();
|
||||
|
||||
return Response.ok(
|
||||
fileBytes,
|
||||
headers: {
|
||||
'Content-Type': contentType,
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Cache-Control': 'no-cache',
|
||||
'Connection': 'keep-alive',
|
||||
},
|
||||
);
|
||||
|
||||
} catch (e, stackTrace) {
|
||||
print('HLS file serving error: $e');
|
||||
print(stackTrace);
|
||||
return Response.internalServerError(
|
||||
body: jsonEncode({'error': 'File serving error', 'message': e.toString()}),
|
||||
headers: {'content-type': 'application/json'},
|
||||
);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// Create handler for FFmpeg HLS transcoding
|
||||
///
|
||||
/// Starts FFmpeg process that creates HLS segments for VOD
|
||||
Handler createStreamInitHandler() {
|
||||
return (Request request) async {
|
||||
final path = request.url.path;
|
||||
|
||||
// Only handle /api/stream/* requests
|
||||
if (!path.startsWith('api/stream/')) {
|
||||
return Response.notFound('Not found');
|
||||
}
|
||||
|
||||
try {
|
||||
// Extract stream ID
|
||||
final pathParts = path.split('/');
|
||||
if (pathParts.length < 3) {
|
||||
return Response.badRequest(body: 'Invalid stream path');
|
||||
}
|
||||
|
||||
final streamId = pathParts[2];
|
||||
|
||||
// Get parameters
|
||||
final iptvUrl = request.url.queryParameters['url'];
|
||||
final quality = request.url.queryParameters['quality'] ?? 'high';
|
||||
|
||||
if (iptvUrl == null || iptvUrl.isEmpty) {
|
||||
return Response.badRequest(body: 'Missing url parameter');
|
||||
}
|
||||
|
||||
print('Starting HLS Stream for ID: $streamId');
|
||||
print('Source: $iptvUrl');
|
||||
|
||||
// Create temp directory for HLS segments
|
||||
final tempDir = Directory('${Directory.systemTemp.path}/hls_$streamId');
|
||||
if (await tempDir.exists()) {
|
||||
await tempDir.delete(recursive: true);
|
||||
}
|
||||
await tempDir.create(recursive: true);
|
||||
_streamDirs[streamId] = tempDir;
|
||||
|
||||
final playlistPath = '${tempDir.path}/playlist.m3u8';
|
||||
|
||||
// FFmpeg HLS arguments
|
||||
final ffmpegArgs = <String>[
|
||||
'-hide_banner',
|
||||
'-loglevel', 'error',
|
||||
'-user_agent', 'VLC/3.0.18 LibVLC/3.0.18',
|
||||
'-headers', 'Accept: */*\r\nConnection: keep-alive\r\n',
|
||||
|
||||
// Input resilience
|
||||
'-reconnect', '1',
|
||||
'-reconnect_streamed', '1',
|
||||
'-reconnect_delay_max', '10',
|
||||
'-rw_timeout', '15000000',
|
||||
|
||||
'-analyzeduration', '10000000',
|
||||
'-probesize', '5000000',
|
||||
|
||||
'-i', iptvUrl,
|
||||
|
||||
// Output format: HLS
|
||||
'-f', 'hls',
|
||||
'-hls_time', '4',
|
||||
'-hls_list_size', '0', // Keep all segments in playlist
|
||||
'-hls_playlist_type', 'event', // Allow appending new segments, keep old ones
|
||||
'-hls_segment_type', 'mpegts',
|
||||
'-hls_segment_filename', '${tempDir.path}/segment_%03d.ts',
|
||||
];
|
||||
|
||||
// Video encoding: Always transcode for HLS timestamp compatibility
|
||||
// Using ultrafast preset for Live TV to minimize latency
|
||||
final isLiveStream = iptvUrl.endsWith('.ts') || iptvUrl.contains('/live/');
|
||||
|
||||
if (isLiveStream) {
|
||||
// LIVE TV: Transcode to H.264 for browser compatibility
|
||||
// Source may be HEVC/H.265 which browsers don't support
|
||||
// Using superfast preset for minimal CPU usage
|
||||
ffmpegArgs.addAll([
|
||||
'-c:v', 'libx264',
|
||||
'-preset', 'superfast', // Fast encoding to prevent buffering
|
||||
'-tune', 'zerolatency', // Minimize latency
|
||||
'-profile:v', 'baseline', // Maximum browser compatibility
|
||||
'-level', '3.1',
|
||||
'-pix_fmt', 'yuv420p',
|
||||
'-g', '30', // Keyframe every second at 30fps
|
||||
'-b:v', '2500k', // 2.5Mbps - balance quality/speed
|
||||
'-maxrate', '3000k',
|
||||
'-bufsize', '5000k',
|
||||
]);
|
||||
} else {
|
||||
// VOD: Use ultrafast preset to prevent buffer stalls
|
||||
// FFmpeg must transcode FASTER than realtime to keep the buffer full
|
||||
ffmpegArgs.addAll([
|
||||
'-c:v', 'libx264',
|
||||
'-preset', 'ultrafast', // CRITICAL: Fast encoding to prevent buffer stalls
|
||||
'-tune', 'fastdecode', // Optimize for fast decoding in browser
|
||||
'-profile:v', 'main', // Good compatibility, better than baseline for VOD
|
||||
'-level', '4.0',
|
||||
'-pix_fmt', 'yuv420p',
|
||||
'-g', '48', // Keyframe every 2s at 24fps
|
||||
'-threads', '0', // Use all available CPU cores
|
||||
]);
|
||||
|
||||
if (quality == 'low') {
|
||||
ffmpegArgs.addAll([
|
||||
'-vf', 'scale=-2:480',
|
||||
'-b:v', '1000k',
|
||||
'-maxrate', '1200k',
|
||||
'-bufsize', '2000k',
|
||||
]);
|
||||
} else {
|
||||
// High quality but still fast enough to prevent stalls
|
||||
ffmpegArgs.addAll([
|
||||
'-b:v', '2500k', // Reduced from 6000k for faster encoding
|
||||
'-maxrate', '3000k', // Reduced from 8000k
|
||||
'-bufsize', '5000k', // Reduced from 12000k
|
||||
'-crf', '23', // Slightly lower quality but much faster
|
||||
]);
|
||||
}
|
||||
}
|
||||
|
||||
// Audio: Always transcode to AAC
|
||||
ffmpegArgs.addAll([
|
||||
'-c:a', 'aac',
|
||||
'-b:a', '192k',
|
||||
'-ar', '48000',
|
||||
'-ac', '2',
|
||||
]);
|
||||
|
||||
ffmpegArgs.add(playlistPath);
|
||||
|
||||
// Start FFmpeg process
|
||||
final process = await Process.start('ffmpeg', ffmpegArgs);
|
||||
_activeStreams[streamId] = process;
|
||||
|
||||
// Log stderr
|
||||
process.stderr.transform(utf8.decoder).listen((data) {
|
||||
if (data.contains('Error') || data.contains('error')) {
|
||||
print('FFmpeg Error [$streamId]: $data');
|
||||
}
|
||||
});
|
||||
|
||||
// Wait for playlist creation
|
||||
var attempts = 0;
|
||||
while (!await File(playlistPath).exists() && attempts < 50) {
|
||||
await Future.delayed(const Duration(milliseconds: 100));
|
||||
attempts++;
|
||||
}
|
||||
|
||||
if (!await File(playlistPath).exists()) {
|
||||
process.kill();
|
||||
_activeStreams.remove(streamId);
|
||||
_streamDirs.remove(streamId);
|
||||
await tempDir.delete(recursive: true);
|
||||
return Response.internalServerError(
|
||||
body: 'FFmpeg failed to create playlist',
|
||||
);
|
||||
}
|
||||
|
||||
// CRITICAL: Wait for first segment to exist AND HAVE DATA > 5MB to be safe?
|
||||
// No, 10KB is enough for header + some data
|
||||
attempts = 0;
|
||||
final firstSegment = File('${tempDir.path}/segment_000.ts');
|
||||
while (attempts < 100) {
|
||||
if (await firstSegment.exists()) {
|
||||
final len = await firstSegment.length();
|
||||
if (len > 10240) break; // Wait for > 10KB
|
||||
}
|
||||
await Future.delayed(const Duration(milliseconds: 100));
|
||||
attempts++;
|
||||
}
|
||||
|
||||
if (!await firstSegment.exists()) {
|
||||
print('Warning: First segment not created yet for $streamId');
|
||||
} else {
|
||||
print('First segment ready for $streamId (${await firstSegment.length()} bytes)');
|
||||
}
|
||||
|
||||
print('HLS playlist created for $streamId');
|
||||
|
||||
// Cleanup on process exit
|
||||
process.exitCode.then((_) {
|
||||
print('FFmpeg finished for $streamId');
|
||||
_activeStreams.remove(streamId);
|
||||
final dir = _streamDirs.remove(streamId);
|
||||
dir?.delete(recursive: true).catchError((e) {
|
||||
print('Cleanup error for $streamId: $e');
|
||||
});
|
||||
});
|
||||
|
||||
// Return playlist URL
|
||||
return Response.ok(
|
||||
jsonEncode({'playlist': '/api/hls/$streamId/playlist.m3u8'}),
|
||||
headers: {
|
||||
'Content-Type': 'application/json',
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
},
|
||||
);
|
||||
|
||||
} catch (e, stackTrace) {
|
||||
print('Stream init error: $e');
|
||||
print(stackTrace);
|
||||
return Response.internalServerError(
|
||||
body: jsonEncode({'error': e.toString()}),
|
||||
headers: {'content-type': 'application/json'},
|
||||
);
|
||||
}
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,225 @@
|
||||
import 'dart:async';
|
||||
import 'dart:convert';
|
||||
import 'dart:io';
|
||||
import 'dart:math';
|
||||
import 'package:shelf/shelf.dart';
|
||||
import 'package:shelf_router/shelf_router.dart';
|
||||
import '../../lib/core/models/playlist_config.dart';
|
||||
|
||||
/// Active FFmpeg processes for VOD transcoding
|
||||
final Map<String, Process> _vodProcesses = {};
|
||||
|
||||
/// Directory for temporary HLS segments
|
||||
final Directory _hlsTempDir = Directory('/tmp/hls_vod');
|
||||
|
||||
/// Initialize streaming subsystem
|
||||
Future<void> initStreaming() async {
|
||||
if (!_hlsTempDir.existsSync()) {
|
||||
await _hlsTempDir.create(recursive: true);
|
||||
}
|
||||
}
|
||||
|
||||
/// Helper to get current playlist configuration (mocked for now, implies single user)
|
||||
/// In a real scenario, this should come from the request session/context
|
||||
PlaylistConfig? _getCurrentPlaylist(Request request) {
|
||||
// TODO: Retrieve from DB/Session based on Auth
|
||||
// For now, we assume the frontend sends enough info or we look up the active one
|
||||
return null; // Implemented later in server.dart injection
|
||||
}
|
||||
|
||||
// ==========================================
|
||||
// 1. LIVE TV HANDLER (Direct MPEG-TS Proxy)
|
||||
// ==========================================
|
||||
|
||||
Handler createLiveStreamHandler(Future<PlaylistConfig?> Function(Request) getPlaylist) {
|
||||
final router = Router();
|
||||
|
||||
// Route: /api/live/{streamId}.ts
|
||||
router.get('/<streamId>.ts', (Request request, String streamId) async {
|
||||
final playlist = await getPlaylist(request);
|
||||
if (playlist == null) {
|
||||
return Response.internalServerError(body: 'No playlist configured');
|
||||
}
|
||||
|
||||
final targetUrl = Uri.parse('${playlist.dns}/live/${playlist.username}/${playlist.password}/$streamId.ts');
|
||||
print('[Live] Proxying: $targetUrl');
|
||||
|
||||
try {
|
||||
final client = HttpClient();
|
||||
client.connectionTimeout = const Duration(seconds: 10); // Connection timeout
|
||||
client.idleTimeout = const Duration(hours: 6); // Keep alive long time
|
||||
|
||||
final req = await client.getUrl(targetUrl);
|
||||
req.headers.set('User-Agent', 'VLC/3.0.18 LibVLC/3.0.18'); // Simulate VLC
|
||||
req.headers.set('Connection', 'keep-alive');
|
||||
|
||||
final response = await req.close();
|
||||
|
||||
if (response.statusCode != 200) {
|
||||
return Response(response.statusCode, body: 'Upstream error: ${response.statusCode}');
|
||||
}
|
||||
|
||||
print('[Live] Connected to upstream. Streaming...');
|
||||
|
||||
// Pipe the response stream to the client
|
||||
// We use a StreamController to handle cancellation
|
||||
final controller = StreamController<List<int>>();
|
||||
|
||||
response.listen(
|
||||
(data) => controller.add(data),
|
||||
onError: (e) => controller.addError(e),
|
||||
onDone: () => controller.close(),
|
||||
cancelOnError: true,
|
||||
);
|
||||
|
||||
// Cleanup when client disconnects
|
||||
controller.onCancel = () {
|
||||
print('[Live] Client disconnected: $streamId');
|
||||
// response.detachSocket() if possible, or just let GC handle it
|
||||
};
|
||||
|
||||
return Response.ok(
|
||||
controller.stream,
|
||||
headers: {
|
||||
'Content-Type': 'video/mp2t',
|
||||
'Cache-Control': 'no-cache',
|
||||
'Connection': 'keep-alive',
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
},
|
||||
);
|
||||
|
||||
} catch (e) {
|
||||
print('[Live] Error: $e');
|
||||
return Response.internalServerError(body: 'Live stream error: $e');
|
||||
}
|
||||
});
|
||||
|
||||
return router;
|
||||
}
|
||||
|
||||
// ==========================================
|
||||
// 2. VOD HANDLER (FFmpeg HLS Transcoding)
|
||||
// ==========================================
|
||||
|
||||
// ==========================================
|
||||
// 2. VOD HANDLER (FFmpeg HLS Transcoding)
|
||||
// ==========================================
|
||||
|
||||
Handler createVodStreamHandler(Future<PlaylistConfig?> Function(Request) getPlaylist) {
|
||||
final router = Router();
|
||||
|
||||
// Route: /api/vod/{streamId}/playlist.m3u8
|
||||
router.get('/<streamId>/playlist.m3u8', (Request request, String streamId) async {
|
||||
final playlist = await getPlaylist(request);
|
||||
if (playlist == null) return Response.internalServerError(body: 'No playlist');
|
||||
|
||||
// Clean up old session if exists
|
||||
if (_vodProcesses.containsKey(streamId)) {
|
||||
print('[VOD] Killing previous session for $streamId');
|
||||
_vodProcesses[streamId]?.kill();
|
||||
_vodProcesses.remove(streamId);
|
||||
}
|
||||
|
||||
// Prepare directory
|
||||
final streamDir = Directory('${_hlsTempDir.path}/$streamId');
|
||||
if (streamDir.existsSync()) {
|
||||
streamDir.deleteSync(recursive: true);
|
||||
}
|
||||
streamDir.createSync(recursive: true);
|
||||
|
||||
// Build Upstream URL (Try MKV first, then generic)
|
||||
// Note: We don't know the extension here easily unless passed.
|
||||
// Xtream usually allows access via streamId.mkv or streamId.mp4 regardless of actual file
|
||||
// We'll trust the ID.
|
||||
final targetUrl = '${playlist.dns}/movie/${playlist.username}/${playlist.password}/$streamId.mkv';
|
||||
|
||||
print('[VOD] Starting Transcode: $targetUrl');
|
||||
|
||||
// Start FFmpeg
|
||||
final ffmpegArgs = [
|
||||
'-hide_banner', '-loglevel', 'error',
|
||||
'-headers', 'User-Agent: VLC/3.0.18 LibVLC/3.0.18\r\n',
|
||||
'-i', targetUrl,
|
||||
|
||||
// Video: H.264 Ultrafast (Low CPU)
|
||||
'-c:v', 'libx264',
|
||||
'-preset', 'ultrafast',
|
||||
'-tune', 'fastdecode',
|
||||
'-crf', '23',
|
||||
'-maxrate', '3000k',
|
||||
'-bufsize', '6000k',
|
||||
'-pix_fmt', 'yuv420p',
|
||||
'-threads', '0',
|
||||
|
||||
// Audio: AAC (Browser compatible)
|
||||
'-c:a', 'aac',
|
||||
'-b:a', '128k',
|
||||
'-ac', '2',
|
||||
|
||||
// HLS Output options
|
||||
'-f', 'hls',
|
||||
'-hls_time', '4',
|
||||
'-hls_list_size', '0', // Keep all segments
|
||||
'-hls_segment_type', 'mpegts',
|
||||
'-hls_segment_filename', '${streamDir.path}/segment_%03d.ts',
|
||||
'-start_number', '0',
|
||||
|
||||
// Write playlist to stdout or file? File is easier for static serving
|
||||
'${streamDir.path}/playlist.m3u8'
|
||||
];
|
||||
|
||||
Process.start('ffmpeg', ffmpegArgs).then((process) {
|
||||
_vodProcesses[streamId] = process;
|
||||
|
||||
process.stderr.transform(utf8.decoder).listen((data) {
|
||||
if (data.contains('Error')) print('[FFmpeg $streamId] $data');
|
||||
});
|
||||
|
||||
process.exitCode.then((code) {
|
||||
print('[VOD] FFmpeg exited with code $code');
|
||||
_vodProcesses.remove(streamId);
|
||||
});
|
||||
});
|
||||
|
||||
// Wait for playlist to appear (max 10s)
|
||||
final playlistFile = File('${streamDir.path}/playlist.m3u8');
|
||||
int retries = 0;
|
||||
while (!playlistFile.existsSync() && retries < 20) {
|
||||
await Future.delayed(const Duration(milliseconds: 500));
|
||||
retries++;
|
||||
}
|
||||
|
||||
if (!playlistFile.existsSync()) {
|
||||
return Response.internalServerError(body: 'Timeout waiting for transcoder');
|
||||
}
|
||||
|
||||
return Response.ok(
|
||||
playlistFile.openRead(),
|
||||
headers: {
|
||||
'Content-Type': 'application/vnd.apple.mpegurl', // Correct HLS Mime
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Cache-Control': 'no-cache',
|
||||
},
|
||||
);
|
||||
});
|
||||
|
||||
// Route: /api/vod/{streamId}/segment_{n}.ts (Serve segments)
|
||||
router.get('/<streamId>/<segment>', (Request request, String streamId, String segment) async {
|
||||
final file = File('${_hlsTempDir.path}/$streamId/$segment');
|
||||
|
||||
if (!file.existsSync()) {
|
||||
return Response.notFound('Segment not found');
|
||||
}
|
||||
|
||||
return Response.ok(
|
||||
file.openRead(),
|
||||
headers: {
|
||||
'Content-Type': 'video/mp2t',
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Cache-Control': 'max-age=3600', // Cache segments
|
||||
},
|
||||
);
|
||||
});
|
||||
|
||||
return router;
|
||||
}
|
||||
+55
-589
@@ -9,16 +9,16 @@ import 'package:http/http.dart' as http;
|
||||
import 'package:args/args.dart';
|
||||
import 'database/database.dart';
|
||||
import 'models/user.dart';
|
||||
import 'api/auth_handler.dart';
|
||||
import 'api/users_handler.dart';
|
||||
import 'models/playlist.dart';
|
||||
import 'package:xtremflow/core/models/playlist_config.dart';
|
||||
import 'api/auth_handler.dart';
|
||||
import 'api/users_handler.dart';
|
||||
import 'api/playlists_handler.dart';
|
||||
import 'api/settings_handler.dart';
|
||||
import 'api/streaming_handler.dart';
|
||||
import 'middleware/auth_middleware.dart';
|
||||
import 'middleware/security_middleware.dart';
|
||||
import 'services/cleanup_service.dart';
|
||||
import 'api/hls_handler.dart';
|
||||
|
||||
void main(List<String> args) async {
|
||||
// Parse command line arguments
|
||||
@@ -35,6 +35,9 @@ void main(List<String> args) async {
|
||||
await db.init();
|
||||
await db.seedAdmin();
|
||||
|
||||
// Initialize Streaming Subsystem
|
||||
await initStreaming();
|
||||
|
||||
// Create API handlers
|
||||
final authHandler = AuthHandler(db);
|
||||
final playlistsHandler = PlaylistsHandler(db);
|
||||
@@ -43,26 +46,24 @@ void main(List<String> args) async {
|
||||
|
||||
// Setup router
|
||||
final apiRouter = Router()
|
||||
// Auth endpoints (no auth middleware) - full path including /api/
|
||||
// Auth endpoints
|
||||
..mount('/api/auth', authHandler.router)
|
||||
// Playlists endpoints (with auth middleware)
|
||||
// Playlists endpoints
|
||||
..mount('/api/playlists', Pipeline()
|
||||
.addMiddleware(authMiddleware(db))
|
||||
.addHandler(playlistsHandler.router.call))
|
||||
// Users endpoints (with auth middleware)
|
||||
// Users endpoints
|
||||
..mount('/api/users', Pipeline()
|
||||
.addMiddleware(authMiddleware(db))
|
||||
.addHandler(usersHandler.router.call))
|
||||
// Settings endpoints (with auth middleware)
|
||||
// Settings endpoints
|
||||
..mount('/api/settings', Pipeline()
|
||||
.addMiddleware(authMiddleware(db))
|
||||
.addHandler(settingsHandler.router.call));
|
||||
|
||||
// Initialize Cleanup Service
|
||||
final cleanupService = CleanupService();
|
||||
// Target system temp directory (often used by FFmpeg/Dart)
|
||||
cleanupService.addTarget(Directory.systemTemp);
|
||||
// Target local logs/cache if they exist
|
||||
cleanupService.addTarget(Directory('/app/data/logs'));
|
||||
cleanupService.addTarget(Directory('/app/data/tmp'));
|
||||
|
||||
@@ -89,9 +90,8 @@ void main(List<String> args) async {
|
||||
});
|
||||
|
||||
return router(request);
|
||||
}),);
|
||||
}));
|
||||
|
||||
// Create handlers
|
||||
// Create static handler
|
||||
final baseStaticHandler = createStaticHandler(
|
||||
webPath,
|
||||
@@ -107,8 +107,8 @@ void main(List<String> args) async {
|
||||
final path = request.url.path;
|
||||
if (path.isEmpty ||
|
||||
path == 'index.html' ||
|
||||
path.endsWith('.js') || // Disable cache for ALL JS files (main.dart.js, bootstrap, etc)
|
||||
path.endsWith('.json')) { // version.json etc
|
||||
path.endsWith('.js') ||
|
||||
path.endsWith('.json')) {
|
||||
return response.change(headers: {
|
||||
'Cache-Control': 'no-store, no-cache, must-revalidate, max-age=0',
|
||||
'Pragma': 'no-cache',
|
||||
@@ -116,30 +116,58 @@ void main(List<String> args) async {
|
||||
});
|
||||
}
|
||||
|
||||
// Allow aggressive caching for hashed assets (images, compiled JS)
|
||||
// Flutter web builds usually hash main.dart.js, but let's be safe with 1 day
|
||||
// Allow aggressive caching for hashed assets
|
||||
return response.change(headers: {
|
||||
'Cache-Control': 'public, max-age=86400',
|
||||
});
|
||||
};
|
||||
|
||||
// Main handler with API proxy and FFmpeg streaming
|
||||
// Helper to get playlist from request
|
||||
Future<PlaylistConfig?> _getPlaylist(Request request) async {
|
||||
Playlist? playlist;
|
||||
|
||||
final user = request.context['user'] as User?;
|
||||
if (user != null) {
|
||||
final playlists = db.getPlaylists(user.id);
|
||||
if (playlists.isNotEmpty) playlist = playlists.first;
|
||||
} else {
|
||||
// Fallback: Try to find a playlist for any user if no specific user is logged in
|
||||
final users = db.getAllUsers();
|
||||
if (users.isNotEmpty) {
|
||||
final playlists = db.getPlaylists(users[0].id);
|
||||
if (playlists.isNotEmpty) playlist = playlists.first;
|
||||
}
|
||||
}
|
||||
|
||||
if (playlist != null) {
|
||||
return PlaylistConfig(
|
||||
id: playlist.id,
|
||||
name: playlist.name,
|
||||
dns: playlist.serverUrl,
|
||||
username: playlist.username,
|
||||
password: playlist.password,
|
||||
createdAt: playlist.createdAt,
|
||||
isActive: true,
|
||||
);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
// Main handler with API proxy and NEW Streaming Handlers
|
||||
final handler = Cascade()
|
||||
.add(_createApiHandler(apiRouter))
|
||||
.add(createStreamInitHandler()) // FFmpeg HLS transcoding
|
||||
.add(createHlsFileHandler()) // Serve HLS files (.m3u8, .ts)
|
||||
.add(_createXtreamProxyHandler())
|
||||
.add(_createXtreamProxyHandler()) /* Keep for general API calls */
|
||||
.add(createLiveStreamHandler(_getPlaylist))
|
||||
.add(createVodStreamHandler(_getPlaylist))
|
||||
.add(staticHandler)
|
||||
.handler;
|
||||
|
||||
|
||||
|
||||
// Add middleware
|
||||
final pipeline = Pipeline()
|
||||
.addMiddleware(logRequests())
|
||||
.addMiddleware(securityHeadersMiddleware()) // Basic Headers
|
||||
.addMiddleware(honeypotMiddleware()) // Trap Bots
|
||||
.addMiddleware(rateLimitMiddleware()) // Anti-DoS
|
||||
.addMiddleware(securityHeadersMiddleware())
|
||||
.addMiddleware(honeypotMiddleware())
|
||||
.addMiddleware(rateLimitMiddleware())
|
||||
.addMiddleware(_corsMiddleware())
|
||||
.addHandler(handler);
|
||||
|
||||
@@ -154,7 +182,6 @@ void main(List<String> args) async {
|
||||
print('Serving static files from: $webPath');
|
||||
print('REST API available at: /api/auth/* and /api/playlists/*');
|
||||
print('Xtream proxy available at: /api/xtream/*');
|
||||
print('FFmpeg streaming available at: /api/stream/*');
|
||||
|
||||
// Clean expired sessions periodically (every hour)
|
||||
Timer.periodic(const Duration(hours: 1), (_) {
|
||||
@@ -163,7 +190,6 @@ void main(List<String> args) async {
|
||||
});
|
||||
}
|
||||
|
||||
/// Create API handler
|
||||
/// Create API handler
|
||||
Handler _createApiHandler(Router apiRouter) {
|
||||
return (Request request) async {
|
||||
@@ -172,8 +198,8 @@ Handler _createApiHandler(Router apiRouter) {
|
||||
// Only handle /api/* requests (excluding special handlers)
|
||||
if (path.startsWith('api/') &&
|
||||
!path.startsWith('api/xtream/') &&
|
||||
!path.startsWith('api/stream/') &&
|
||||
!path.startsWith('api/hls/')) {
|
||||
!path.startsWith('api/live/') &&
|
||||
!path.startsWith('api/vod/')) {
|
||||
return apiRouter(request);
|
||||
}
|
||||
|
||||
@@ -216,25 +242,21 @@ Handler _createXtreamProxyHandler() {
|
||||
try {
|
||||
// Extract target URL from request
|
||||
// Format: /api/xtream/http://server:port/path
|
||||
// Note: URL might be URL-encoded (e.g., http%3A%2F%2F...)
|
||||
String apiPath = path.substring('api/xtream/'.length);
|
||||
|
||||
// Decode URL if it's encoded (http%3A%2F%2F -> http://)
|
||||
// Decode URL if it's encoded
|
||||
if (apiPath.startsWith('http%3A') || apiPath.startsWith('https%3A')) {
|
||||
apiPath = Uri.decodeComponent(apiPath);
|
||||
}
|
||||
|
||||
// The client will send the full URL after /api/xtream/
|
||||
if (!apiPath.startsWith('http://') && !apiPath.startsWith('https://')) {
|
||||
return Response.badRequest(
|
||||
body: 'Invalid API URL. Expected format: /api/xtream/http://...',
|
||||
);
|
||||
}
|
||||
|
||||
// Reconstruct the full target URL with query parameters
|
||||
String fullUrl = apiPath;
|
||||
if (request.url.query.isNotEmpty) {
|
||||
// If the target URL already has query params, append with &
|
||||
if (fullUrl.contains('?')) {
|
||||
fullUrl = '$fullUrl&${request.url.query}';
|
||||
} else {
|
||||
@@ -243,47 +265,14 @@ Handler _createXtreamProxyHandler() {
|
||||
}
|
||||
|
||||
final targetUrl = Uri.parse(fullUrl);
|
||||
final baseUrl = '${targetUrl.scheme}://${targetUrl.host}${targetUrl.hasPort ? ':${targetUrl.port}' : ''}';
|
||||
|
||||
// Check if this is a video file that needs streaming
|
||||
final lowerPath = targetUrl.path.toLowerCase();
|
||||
|
||||
// Detect LIVE TV streams (infinite streams)
|
||||
final isLiveStream = lowerPath.contains('/live/') && lowerPath.endsWith('.ts');
|
||||
|
||||
// Detect VOD files (finite, seekable)
|
||||
final isVodFile = !isLiveStream && (
|
||||
lowerPath.endsWith('.mp4') ||
|
||||
lowerPath.endsWith('.mkv') ||
|
||||
lowerPath.endsWith('.avi') ||
|
||||
lowerPath.endsWith('.ts') ||
|
||||
lowerPath.endsWith('.m4v') ||
|
||||
lowerPath.contains('/movie/') ||
|
||||
lowerPath.contains('/series/'));
|
||||
|
||||
print('Proxying request to: $targetUrl (live: $isLiveStream, vod: $isVodFile)');
|
||||
|
||||
// For LIVE streams, use infinite streaming handler
|
||||
if (isLiveStream) {
|
||||
return _streamLiveChannel(targetUrl);
|
||||
}
|
||||
|
||||
// For VOD files, use streaming with Range support for seeking
|
||||
if (isVodFile) {
|
||||
final rangeHeader = request.headers['range'];
|
||||
return _streamVideoFile(targetUrl, rangeHeader);
|
||||
}
|
||||
|
||||
// Headers to simulate a legitimate IPTV client (VLC/Kodi style)
|
||||
final proxyHeaders = {
|
||||
'User-Agent': 'VLC/3.0.18 LibVLC/3.0.18',
|
||||
'Accept': '*/*',
|
||||
'Accept-Encoding': 'identity',
|
||||
'Connection': 'keep-alive',
|
||||
'Icy-MetaData': '1',
|
||||
};
|
||||
|
||||
// Use simple http.get/post for non-video content
|
||||
http.Response response;
|
||||
if (request.method == 'GET') {
|
||||
response = await http.get(targetUrl, headers: proxyHeaders).timeout(
|
||||
@@ -300,49 +289,12 @@ Handler _createXtreamProxyHandler() {
|
||||
return Response(405, body: 'Method not allowed');
|
||||
}
|
||||
|
||||
// Check if this is an M3U8/HLS playlist that needs URL rewriting
|
||||
final contentType = response.headers['content-type'] ?? '';
|
||||
final isM3u8 = fullUrl.endsWith('.m3u8') ||
|
||||
contentType.contains('application/vnd.apple.mpegurl') ||
|
||||
contentType.contains('application/x-mpegurl') ||
|
||||
contentType.contains('audio/mpegurl');
|
||||
|
||||
if (isM3u8 && response.statusCode == 200) {
|
||||
// Rewrite URLs in M3U8 playlist to go through proxy
|
||||
final rewrittenBody = _rewriteM3u8Urls(
|
||||
response.body,
|
||||
baseUrl,
|
||||
targetUrl.path,
|
||||
request.requestedUri.origin,
|
||||
);
|
||||
|
||||
print('Rewrote M3U8 playlist URLs for: $targetUrl');
|
||||
|
||||
return Response(
|
||||
response.statusCode,
|
||||
body: rewrittenBody,
|
||||
headers: {
|
||||
'content-type': 'application/vnd.apple.mpegurl',
|
||||
'access-control-allow-origin': '*',
|
||||
},
|
||||
);
|
||||
}
|
||||
|
||||
return Response(
|
||||
response.statusCode,
|
||||
body: response.bodyBytes,
|
||||
headers: {
|
||||
'content-type': response.headers['content-type'] ?? 'application/json',
|
||||
'access-control-allow-origin': '*',
|
||||
// Forward cache headers from upstream
|
||||
if (response.headers.containsKey('cache-control'))
|
||||
'cache-control': response.headers['cache-control']!,
|
||||
if (response.headers.containsKey('expires'))
|
||||
'expires': response.headers['expires']!,
|
||||
if (response.headers.containsKey('etag'))
|
||||
'etag': response.headers['etag']!,
|
||||
if (response.headers.containsKey('last-modified'))
|
||||
'last-modified': response.headers['last-modified']!,
|
||||
},
|
||||
);
|
||||
} catch (e, stackTrace) {
|
||||
@@ -355,489 +307,3 @@ Handler _createXtreamProxyHandler() {
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
/// Stream video file using HttpClient with Range support for seeking
|
||||
Future<Response> _streamVideoFile(Uri targetUrl, String? rangeHeader) async {
|
||||
final maxRedirects = 5;
|
||||
var currentUrl = targetUrl;
|
||||
final cookies = <String, String>{}; // Cookie Jar for redirects
|
||||
|
||||
print('Stream Request: $targetUrl');
|
||||
if (rangeHeader != null) print('Client Requested Range: $rangeHeader');
|
||||
|
||||
for (var i = 0; i < maxRedirects; i++) {
|
||||
try {
|
||||
final client = HttpClient();
|
||||
// Increase timeouts for large video files
|
||||
client.connectionTimeout = const Duration(seconds: 60);
|
||||
client.idleTimeout = const Duration(minutes: 5);
|
||||
|
||||
final req = await client.getUrl(currentUrl);
|
||||
req.followRedirects = false; // We handle redirects manually
|
||||
|
||||
req.headers.set('User-Agent', 'VLC/3.0.18 LibVLC/3.0.18');
|
||||
req.headers.set('Accept', '*/*');
|
||||
req.headers.set('Connection', 'keep-alive');
|
||||
req.headers.set('Accept-Encoding', 'identity');
|
||||
|
||||
// Apply collected cookies
|
||||
if (cookies.isNotEmpty) {
|
||||
final cookieHeader = cookies.entries.map((e) => '${e.key}=${e.value}').join('; ');
|
||||
req.headers.set(HttpHeaders.cookieHeader, cookieHeader);
|
||||
}
|
||||
|
||||
// Forward request headers
|
||||
if (rangeHeader != null && rangeHeader.isNotEmpty) {
|
||||
if (!rangeHeader.startsWith('bytes=')) {
|
||||
rangeHeader = 'bytes=$rangeHeader';
|
||||
}
|
||||
req.headers.set(HttpHeaders.rangeHeader, rangeHeader);
|
||||
}
|
||||
|
||||
client.autoUncompress = false;
|
||||
|
||||
final response = await req.close();
|
||||
print('Upstream Response: ${response.statusCode} (Redirect $i)');
|
||||
|
||||
// Collect Cookies from response
|
||||
response.cookies.forEach((cookie) {
|
||||
cookies[cookie.name] = cookie.value;
|
||||
});
|
||||
|
||||
// Handle Redirects (301, 302, 303, 307, 308)
|
||||
if (response.statusCode >= 300 && response.statusCode < 400) {
|
||||
final location = response.headers.value(HttpHeaders.locationHeader);
|
||||
if (location != null) {
|
||||
print('Redirecting stream to: $location');
|
||||
currentUrl = Uri.parse(location);
|
||||
await response.drain(); // Drain body to release connection
|
||||
continue; // Loop to next request
|
||||
}
|
||||
}
|
||||
|
||||
// Get content type
|
||||
final contentType = response.headers.contentType?.mimeType ?? 'video/mp4';
|
||||
|
||||
// Build response headers
|
||||
final responseHeaders = <String, String>{
|
||||
'content-type': contentType,
|
||||
'access-control-allow-origin': '*',
|
||||
'accept-ranges': 'bytes',
|
||||
'cache-control': 'no-cache',
|
||||
'connection': 'keep-alive',
|
||||
};
|
||||
|
||||
// Checks for 206 vs 200
|
||||
if (response.statusCode == 200 && rangeHeader != null) {
|
||||
print('WARNING: Upstream ignored Range header and returned 200. Seeking might fail.');
|
||||
} else if (response.statusCode == 206) {
|
||||
print('SUCCESS: Upstream returned 206 Partial Content.');
|
||||
}
|
||||
|
||||
// Add Content-Length if available
|
||||
if (response.contentLength > 0) {
|
||||
responseHeaders['content-length'] = response.contentLength.toString();
|
||||
}
|
||||
|
||||
// Add Content-Range if this is a partial response (206)
|
||||
final contentRange = response.headers.value(HttpHeaders.contentRangeHeader);
|
||||
if (contentRange != null) {
|
||||
responseHeaders[HttpHeaders.contentRangeHeader] = contentRange;
|
||||
}
|
||||
|
||||
// Propagate Accept-Ranges
|
||||
responseHeaders[HttpHeaders.acceptRangesHeader] = 'bytes';
|
||||
|
||||
// Return appropriate status code
|
||||
return Response(
|
||||
response.statusCode,
|
||||
body: response,
|
||||
headers: responseHeaders,
|
||||
);
|
||||
|
||||
} catch (e) {
|
||||
print('Video streaming exception: $e');
|
||||
if (i == maxRedirects - 1) {
|
||||
return Response.internalServerError(
|
||||
body: jsonEncode({'error': 'Video streaming error', 'message': e.toString()}),
|
||||
headers: {'content-type': 'application/json'},
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return Response.internalServerError(body: 'Too many redirects');
|
||||
}
|
||||
|
||||
/// Stream LIVE TV channel with persistent connection (no Content-Length)
|
||||
///
|
||||
/// Unlike VOD streaming, live streams are infinite and should not close
|
||||
/// the connection until the client disconnects.
|
||||
Future<Response> _streamLiveChannel(Uri targetUrl) async {
|
||||
final maxRedirects = 5;
|
||||
var currentUrl = targetUrl;
|
||||
final cookies = <String, String>{};
|
||||
|
||||
print('Live Stream Request: $targetUrl');
|
||||
|
||||
for (var i = 0; i < maxRedirects; i++) {
|
||||
try {
|
||||
final client = HttpClient();
|
||||
// CRITICAL: Very long timeouts for live streaming
|
||||
client.connectionTimeout = const Duration(minutes: 2);
|
||||
client.idleTimeout = const Duration(hours: 2); // Keep alive for 2 hours
|
||||
|
||||
final req = await client.getUrl(currentUrl);
|
||||
req.followRedirects = false;
|
||||
req.persistentConnection = true; // Keep connection alive
|
||||
|
||||
// IPTV-compatible headers
|
||||
req.headers.set('User-Agent', 'VLC/3.0.18 LibVLC/3.0.18');
|
||||
req.headers.set('Accept', '*/*');
|
||||
req.headers.set('Connection', 'keep-alive');
|
||||
req.headers.set('Accept-Encoding', 'identity');
|
||||
req.headers.set('Icy-MetaData', '1'); // IPTV metadata support
|
||||
|
||||
// Apply cookies from redirects
|
||||
if (cookies.isNotEmpty) {
|
||||
final cookieHeader = cookies.entries.map((e) => '${e.key}=${e.value}').join('; ');
|
||||
req.headers.set(HttpHeaders.cookieHeader, cookieHeader);
|
||||
}
|
||||
|
||||
client.autoUncompress = false;
|
||||
|
||||
final response = await req.close();
|
||||
print('Live Stream Response: ${response.statusCode} from $currentUrl');
|
||||
|
||||
// Collect cookies
|
||||
response.cookies.forEach((cookie) {
|
||||
cookies[cookie.name] = cookie.value;
|
||||
});
|
||||
|
||||
// Handle redirects
|
||||
if (response.statusCode >= 300 && response.statusCode < 400) {
|
||||
final location = response.headers.value(HttpHeaders.locationHeader);
|
||||
if (location != null) {
|
||||
print('Live stream redirecting to: $location');
|
||||
currentUrl = Uri.parse(location);
|
||||
await response.drain();
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
// Get content type
|
||||
final contentType = response.headers.contentType?.mimeType ?? 'video/MP2T';
|
||||
|
||||
print('Live stream connected: $contentType');
|
||||
|
||||
// Use StreamController to pipe the live stream to the client
|
||||
// This keeps the connection open and actively streams data
|
||||
final controller = StreamController<List<int>>();
|
||||
|
||||
// Listen to the upstream response and forward data to the client
|
||||
response.listen(
|
||||
(data) {
|
||||
if (!controller.isClosed) {
|
||||
controller.add(data);
|
||||
}
|
||||
},
|
||||
onError: (error) {
|
||||
print('Live stream error: $error');
|
||||
if (!controller.isClosed) {
|
||||
controller.addError(error);
|
||||
}
|
||||
},
|
||||
onDone: () {
|
||||
print('Live stream upstream ended');
|
||||
if (!controller.isClosed) {
|
||||
controller.close();
|
||||
}
|
||||
},
|
||||
cancelOnError: false,
|
||||
);
|
||||
|
||||
// When client disconnects, close the controller
|
||||
controller.onCancel = () {
|
||||
print('Live stream client disconnected');
|
||||
// Note: The response stream will be garbage collected
|
||||
};
|
||||
|
||||
// Response headers for live streaming (NO Content-Length!)
|
||||
final responseHeaders = <String, String>{
|
||||
'content-type': contentType,
|
||||
'access-control-allow-origin': '*',
|
||||
'cache-control': 'no-cache, no-store',
|
||||
'connection': 'keep-alive',
|
||||
// Don't set transfer-encoding or content-length for raw binary streams
|
||||
};
|
||||
|
||||
// Return streaming response
|
||||
return Response.ok(
|
||||
controller.stream,
|
||||
headers: responseHeaders,
|
||||
);
|
||||
|
||||
} catch (e) {
|
||||
print('Live streaming exception: $e');
|
||||
if (i == maxRedirects - 1) {
|
||||
return Response.internalServerError(
|
||||
body: jsonEncode({'error': 'Live streaming error', 'message': e.toString()}),
|
||||
headers: {'content-type': 'application/json'},
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return Response.internalServerError(body: 'Too many redirects');
|
||||
}
|
||||
|
||||
/// Rewrite URLs in M3U8 playlist to go through the proxy
|
||||
///
|
||||
/// Handles both relative and absolute URLs in HLS playlists
|
||||
String _rewriteM3u8Urls(String m3u8Content, String baseUrl, String originalPath, String proxyOrigin) {
|
||||
final lines = m3u8Content.split('\n');
|
||||
final rewrittenLines = <String>[];
|
||||
|
||||
// Get directory path for relative URL resolution
|
||||
final pathSegments = originalPath.split('/');
|
||||
pathSegments.removeLast(); // Remove filename
|
||||
final basePath = pathSegments.join('/');
|
||||
|
||||
for (final line in lines) {
|
||||
final trimmedLine = line.trim();
|
||||
|
||||
// Skip empty lines and comments (except URI in comments)
|
||||
if (trimmedLine.isEmpty) {
|
||||
rewrittenLines.add(line);
|
||||
continue;
|
||||
}
|
||||
|
||||
// Handle lines that contain URLs (not starting with #, or EXT-X-KEY/EXT-X-MAP with URI)
|
||||
if (!trimmedLine.startsWith('#')) {
|
||||
// This is a segment URL
|
||||
final rewrittenUrl = _rewriteUrl(trimmedLine, baseUrl, basePath, proxyOrigin);
|
||||
rewrittenLines.add(rewrittenUrl);
|
||||
} else if (trimmedLine.contains('URI="')) {
|
||||
// Handle EXT-X-KEY, EXT-X-MAP, etc. with URI attribute
|
||||
final rewrittenLine = trimmedLine.replaceAllMapped(
|
||||
RegExp(r'URI="([^"]+)"'),
|
||||
(match) {
|
||||
final uri = match.group(1)!;
|
||||
final rewrittenUri = _rewriteUrl(uri, baseUrl, basePath, proxyOrigin);
|
||||
return 'URI="$rewrittenUri"';
|
||||
},
|
||||
);
|
||||
rewrittenLines.add(rewrittenLine);
|
||||
} else {
|
||||
rewrittenLines.add(line);
|
||||
}
|
||||
}
|
||||
|
||||
return rewrittenLines.join('\n');
|
||||
}
|
||||
|
||||
/// Rewrite a single URL to go through the proxy
|
||||
String _rewriteUrl(String url, String baseUrl, String basePath, String proxyOrigin) {
|
||||
String fullUrl;
|
||||
|
||||
if (url.startsWith('http://') || url.startsWith('https://')) {
|
||||
// Already absolute URL
|
||||
fullUrl = url;
|
||||
} else if (url.startsWith('/')) {
|
||||
// Absolute path, relative to server root
|
||||
fullUrl = '$baseUrl$url';
|
||||
} else {
|
||||
// Relative path, relative to current directory
|
||||
fullUrl = '$baseUrl$basePath/$url';
|
||||
}
|
||||
|
||||
// Wrap with proxy
|
||||
return '$proxyOrigin/api/xtream/$fullUrl';
|
||||
}
|
||||
|
||||
// ============================================
|
||||
// FFmpeg Stream Transcoding Handler
|
||||
// ============================================
|
||||
|
||||
/// Active FFmpeg processes by stream ID
|
||||
final Map<String, Process> _activeStreams = {};
|
||||
|
||||
/// Create handler for FFmpeg streaming
|
||||
///
|
||||
/// This endpoint starts an FFmpeg process that connects to the IPTV server
|
||||
/// with proper headers and transcodes the stream to local HLS files.
|
||||
Handler _createStreamHandler() {
|
||||
return (Request request) async {
|
||||
final path = request.url.path;
|
||||
|
||||
// Only handle /api/stream/* requests
|
||||
if (!path.startsWith('api/stream/')) {
|
||||
return Response.notFound('Not found');
|
||||
}
|
||||
|
||||
try {
|
||||
// Extract stream ID
|
||||
final pathParts = path.split('/');
|
||||
if (pathParts.length < 3) {
|
||||
return Response.badRequest(body: 'Invalid stream path');
|
||||
}
|
||||
|
||||
final streamId = pathParts[2];
|
||||
|
||||
// Get parameters
|
||||
final iptvUrl = request.url.queryParameters['url'];
|
||||
final quality = request.url.queryParameters['quality'] ?? 'high';
|
||||
final start = request.url.queryParameters['start']; // Start time in seconds
|
||||
|
||||
if (iptvUrl == null || iptvUrl.isEmpty) {
|
||||
return Response.badRequest(body: 'Missing url parameter');
|
||||
}
|
||||
|
||||
print('Starting Direct Stream for ID: $streamId');
|
||||
print('Source: $iptvUrl');
|
||||
|
||||
// Setup FFmpeg arguments for fMP4 piping
|
||||
// Determine if it's VOD or Live
|
||||
final isVod = streamId.startsWith('vod_'); // Or use extension check
|
||||
|
||||
final ffmpegArgs = <String>[
|
||||
'-hide_banner',
|
||||
'-loglevel', 'error', // Minimize logs, only errors
|
||||
'-user_agent', 'VLC/3.0.18 LibVLC/3.0.18',
|
||||
'-headers', 'Accept: */*\r\nConnection: keep-alive\r\n',
|
||||
|
||||
// Input resilience flags
|
||||
'-reconnect', '1',
|
||||
'-reconnect_streamed', '1',
|
||||
'-reconnect_delay_max', '10',
|
||||
'-reconnect_on_network_error', '1',
|
||||
'-reconnect_on_http_error', '4xx,5xx',
|
||||
'-rw_timeout', '15000000', // 15s timeout
|
||||
|
||||
// Probing settings to ensure stream detection
|
||||
'-analyzeduration', '20000000', // 20s
|
||||
'-probesize', '10000000', // 10MB
|
||||
|
||||
'-i', iptvUrl,
|
||||
|
||||
// Output format: MPEG-TS for streaming (compatible with mpegts.js)
|
||||
'-f', 'mpegts',
|
||||
];
|
||||
|
||||
// Add seeking support if start time is provided
|
||||
if (start != null && start.isNotEmpty) {
|
||||
// Insert -ss before -i for faster seeking (input seeking)
|
||||
final inputIndex = ffmpegArgs.indexOf('-i');
|
||||
if (inputIndex != -1) {
|
||||
ffmpegArgs.insertAll(inputIndex, ['-ss', start]);
|
||||
}
|
||||
}
|
||||
|
||||
// Video: Transcode based on quality
|
||||
// High = Copy (efficient), Low/Medium = Transcode to H.264 (compatible)
|
||||
if (quality == 'high') {
|
||||
ffmpegArgs.addAll(['-c:v', 'copy']);
|
||||
} else {
|
||||
// Transcode to H.264 (Baseline profile for max mobile compatibility)
|
||||
ffmpegArgs.addAll([
|
||||
'-c:v', 'libx264',
|
||||
'-preset', 'ultrafast', // Critical for live streaming
|
||||
'-tune', 'zerolatency',
|
||||
'-profile:v', 'baseline',
|
||||
'-level', '3.0',
|
||||
'-pix_fmt', 'yuv420p', // Ensure standard pixel format for web
|
||||
'-g', '60', // Keyframe interval (2s at 30fps) for seeking
|
||||
]);
|
||||
|
||||
if (quality == 'low') {
|
||||
// Low: ~480p, 800k
|
||||
ffmpegArgs.addAll([
|
||||
'-vf', 'scale=-2:480',
|
||||
'-b:v', '800k',
|
||||
'-maxrate', '800k',
|
||||
'-bufsize', '1600k',
|
||||
]);
|
||||
} else {
|
||||
// Medium: Original res (or cap at 720p?), 2500k
|
||||
ffmpegArgs.addAll([
|
||||
'-b:v', '2500k',
|
||||
'-maxrate', '2500k',
|
||||
'-bufsize', '5000k',
|
||||
]);
|
||||
}
|
||||
}
|
||||
|
||||
// Audio: Transcode to AAC is SAFEST for browsers
|
||||
// (Many IPTV streams typically use MP2/AC3 which browsers hate)
|
||||
ffmpegArgs.addAll([
|
||||
'-c:a', 'aac',
|
||||
'-b:a', '128k',
|
||||
'-ar', '44100',
|
||||
'-ac', '2',
|
||||
|
||||
// Fix for MPEG-TS timestamps
|
||||
'-fflags', '+genpts',
|
||||
|
||||
// Output to stdout pipe
|
||||
'pipe:1',
|
||||
]);
|
||||
|
||||
// Start the process
|
||||
final process = await Process.start('ffmpeg', ffmpegArgs);
|
||||
|
||||
// Manage process lifecycle
|
||||
// We use a StreamController to pipe stdout to the response
|
||||
// AND detect when the client disconnects to kill the process.
|
||||
final controller = StreamController<List<int>>();
|
||||
|
||||
// Pipe stdout to controller
|
||||
process.stdout.listen(
|
||||
(data) {
|
||||
if (!controller.isClosed) controller.add(data);
|
||||
},
|
||||
onError: (e) {
|
||||
print('FFmpeg stdout error: $e');
|
||||
if (!controller.isClosed) controller.addError(e);
|
||||
},
|
||||
onDone: () {
|
||||
print('FFmpeg process finished for $streamId');
|
||||
if (!controller.isClosed) controller.close();
|
||||
},
|
||||
);
|
||||
|
||||
// Log stderr for debug
|
||||
process.stderr.transform(utf8.decoder).listen((data) {
|
||||
if (data.contains('Error') || data.contains('error')) {
|
||||
print('FFmpeg Error [$streamId]: $data');
|
||||
}
|
||||
});
|
||||
|
||||
// CLEANUP: When the HTTP client disconnects, the stream subscription
|
||||
// will be cancelled. We MUST kill the FFmpeg process then.
|
||||
controller.onCancel = () {
|
||||
print('Client disconnected for $streamId. Killing FFmpeg...');
|
||||
process.kill();
|
||||
};
|
||||
|
||||
return Response.ok(
|
||||
controller.stream,
|
||||
headers: {
|
||||
'Content-Type': 'video/MP2T',
|
||||
'Access-Control-Allow-Origin': '*',
|
||||
'Cache-Control': 'no-cache, no-store',
|
||||
'Connection': 'keep-alive',
|
||||
},
|
||||
);
|
||||
|
||||
} catch (e, stackTrace) {
|
||||
print('Stream setup error: $e');
|
||||
print(stackTrace);
|
||||
return Response.internalServerError(
|
||||
body: jsonEncode({'error': 'Stream setup error', 'message': e.toString()}),
|
||||
headers: {'content-type': 'application/json'},
|
||||
);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
|
||||
Reference in new issue
Block a user